Release synfig_0_61_04
[synfig.git] / synfig-core / tags / synfig_0_61_04 / synfig-core / src / modules / mod_libavcodec / libavcodec / mpegvideo.c
diff --git a/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/mod_libavcodec/libavcodec/mpegvideo.c b/synfig-core/tags/synfig_0_61_04/synfig-core/src/modules/mod_libavcodec/libavcodec/mpegvideo.c
new file mode 100644 (file)
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+/*
+ * The simplest mpeg encoder (well, it was the simplest!)
+ * Copyright (c) 2000,2001 Fabrice Bellard.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * 4MV & hq & b-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at>
+ */
+/**
+ * @file mpegvideo.c
+ * The simplest mpeg encoder (well, it was the simplest!).
+ */ 
+#include <limits.h>
+#include "avcodec.h"
+#include "dsputil.h"
+#include "mpegvideo.h"
+
+#ifdef USE_FASTMEMCPY
+#include "fastmemcpy.h"
+#endif
+
+//#undef NDEBUG
+//#include <assert.h>
+
+#ifdef CONFIG_ENCODERS
+static void encode_picture(MpegEncContext *s, int picture_number);
+#endif //CONFIG_ENCODERS
+static void dct_unquantize_mpeg1_c(MpegEncContext *s, 
+                                   DCTELEM *block, int n, int qscale);
+static void dct_unquantize_mpeg2_c(MpegEncContext *s,
+                                   DCTELEM *block, int n, int qscale);
+static void dct_unquantize_h263_c(MpegEncContext *s, 
+                                  DCTELEM *block, int n, int qscale);
+static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w);
+#ifdef CONFIG_ENCODERS
+static int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
+static int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow);
+static int sse_mb(MpegEncContext *s);
+#endif //CONFIG_ENCODERS
+
+#ifdef HAVE_XVMC
+extern int  XVMC_field_start(MpegEncContext*s, AVCodecContext *avctx);
+extern void XVMC_field_end(MpegEncContext *s);
+extern void XVMC_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
+#endif
+
+void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w)= draw_edges_c;
+
+
+/* enable all paranoid tests for rounding, overflows, etc... */
+//#define PARANOID
+
+//#define DEBUG
+
+
+/* for jpeg fast DCT */
+#define CONST_BITS 14
+
+static const uint16_t aanscales[64] = {
+    /* precomputed values scaled up by 14 bits */
+    16384, 22725, 21407, 19266, 16384, 12873,  8867,  4520,
+    22725, 31521, 29692, 26722, 22725, 17855, 12299,  6270,
+    21407, 29692, 27969, 25172, 21407, 16819, 11585,  5906,
+    19266, 26722, 25172, 22654, 19266, 15137, 10426,  5315,
+    16384, 22725, 21407, 19266, 16384, 12873,  8867,  4520,
+    12873, 17855, 16819, 15137, 12873, 10114,  6967,  3552,
+    8867 , 12299, 11585, 10426,  8867,  6967,  4799,  2446,
+    4520 ,  6270,  5906,  5315,  4520,  3552,  2446,  1247
+};
+
+static const uint8_t h263_chroma_roundtab[16] = {
+//  0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15
+    0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
+};
+
+#ifdef CONFIG_ENCODERS
+static uint8_t (*default_mv_penalty)[MAX_MV*2+1]=NULL;
+static uint8_t default_fcode_tab[MAX_MV*2+1];
+
+enum PixelFormat ff_yuv420p_list[2]= {PIX_FMT_YUV420P, -1};
+
+static void convert_matrix(MpegEncContext *s, int (*qmat)[64], uint16_t (*qmat16)[64], uint16_t (*qmat16_bias)[64],
+                           const uint16_t *quant_matrix, int bias, int qmin, int qmax)
+{
+    int qscale;
+
+    for(qscale=qmin; qscale<=qmax; qscale++){
+        int i;
+        if (s->dsp.fdct == ff_jpeg_fdct_islow) {
+            for(i=0;i<64;i++) {
+                const int j= s->dsp.idct_permutation[i];
+                /* 16 <= qscale * quant_matrix[i] <= 7905 */
+                /* 19952         <= aanscales[i] * qscale * quant_matrix[i]           <= 249205026 */
+                /* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
+                /* 3444240       >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
+                
+                qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) / 
+                                (qscale * quant_matrix[j]));
+            }
+        } else if (s->dsp.fdct == fdct_ifast) {
+            for(i=0;i<64;i++) {
+                const int j= s->dsp.idct_permutation[i];
+                /* 16 <= qscale * quant_matrix[i] <= 7905 */
+                /* 19952         <= aanscales[i] * qscale * quant_matrix[i]           <= 249205026 */
+                /* (1<<36)/19952 >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= (1<<36)/249205026 */
+                /* 3444240       >= (1<<36)/(aanscales[i] * qscale * quant_matrix[i]) >= 275 */
+                
+                qmat[qscale][i] = (int)((uint64_t_C(1) << (QMAT_SHIFT + 14)) / 
+                                (aanscales[i] * qscale * quant_matrix[j]));
+            }
+        } else {
+            for(i=0;i<64;i++) {
+                const int j= s->dsp.idct_permutation[i];
+                /* We can safely suppose that 16 <= quant_matrix[i] <= 255
+                   So 16           <= qscale * quant_matrix[i]             <= 7905
+                   so (1<<19) / 16 >= (1<<19) / (qscale * quant_matrix[i]) >= (1<<19) / 7905
+                   so 32768        >= (1<<19) / (qscale * quant_matrix[i]) >= 67
+                */
+                qmat[qscale][i] = (int)((uint64_t_C(1) << QMAT_SHIFT) / (qscale * quant_matrix[j]));
+//                qmat  [qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[i]);
+                qmat16[qscale][i] = (1 << QMAT_SHIFT_MMX) / (qscale * quant_matrix[j]);
+
+                if(qmat16[qscale][i]==0 || qmat16[qscale][i]==128*256) qmat16[qscale][i]=128*256-1;
+                qmat16_bias[qscale][i]= ROUNDED_DIV(bias<<(16-QUANT_BIAS_SHIFT), qmat16[qscale][i]);
+            }
+        }
+    }
+}
+#endif //CONFIG_ENCODERS
+
+void ff_init_scantable(uint8_t *permutation, ScanTable *st, const uint8_t *src_scantable){
+    int i;
+    int end;
+    
+    st->scantable= src_scantable;
+
+    for(i=0; i<64; i++){
+        int j;
+        j = src_scantable[i];
+        st->permutated[i] = permutation[j];
+#ifdef ARCH_POWERPC
+        st->inverse[j] = i;
+#endif
+    }
+    
+    end=-1;
+    for(i=0; i<64; i++){
+        int j;
+        j = st->permutated[i];
+        if(j>end) end=j;
+        st->raster_end[i]= end;
+    }
+}
+
+void ff_write_quant_matrix(PutBitContext *pb, int16_t *matrix){
+    int i;
+
+    if(matrix){
+        put_bits(pb, 1, 1);
+        for(i=0;i<64;i++) {
+            put_bits(pb, 8, matrix[ ff_zigzag_direct[i] ]);
+        }
+    }else
+        put_bits(pb, 1, 0);
+}
+
+/* init common dct for both encoder and decoder */
+int DCT_common_init(MpegEncContext *s)
+{
+    s->dct_unquantize_h263 = dct_unquantize_h263_c;
+    s->dct_unquantize_mpeg1 = dct_unquantize_mpeg1_c;
+    s->dct_unquantize_mpeg2 = dct_unquantize_mpeg2_c;
+
+#ifdef CONFIG_ENCODERS
+    s->dct_quantize= dct_quantize_c;
+#endif
+        
+#ifdef HAVE_MMX
+    MPV_common_init_mmx(s);
+#endif
+#ifdef ARCH_ALPHA
+    MPV_common_init_axp(s);
+#endif
+#ifdef HAVE_MLIB
+    MPV_common_init_mlib(s);
+#endif
+#ifdef HAVE_MMI
+    MPV_common_init_mmi(s);
+#endif
+#ifdef ARCH_ARMV4L
+    MPV_common_init_armv4l(s);
+#endif
+#ifdef ARCH_POWERPC
+    MPV_common_init_ppc(s);
+#endif
+
+#ifdef CONFIG_ENCODERS
+    s->fast_dct_quantize= s->dct_quantize;
+
+    if(s->flags&CODEC_FLAG_TRELLIS_QUANT){
+        s->dct_quantize= dct_quantize_trellis_c; //move before MPV_common_init_*
+    }
+
+#endif //CONFIG_ENCODERS
+
+    /* load & permutate scantables
+       note: only wmv uses differnt ones 
+    */
+    ff_init_scantable(s->dsp.idct_permutation, &s->inter_scantable  , ff_zigzag_direct);
+    ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable  , ff_zigzag_direct);
+    ff_init_scantable(s->dsp.idct_permutation, &s->intra_h_scantable, ff_alternate_horizontal_scan);
+    ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
+
+    s->picture_structure= PICT_FRAME;
+    
+    return 0;
+}
+
+/**
+ * allocates a Picture
+ * The pixels are allocated/set by calling get_buffer() if shared=0
+ */
+static int alloc_picture(MpegEncContext *s, Picture *pic, int shared){
+    const int big_mb_num= s->mb_stride*(s->mb_height+1) + 1; //the +1 is needed so memset(,,stride*height) doesnt sig11
+    const int mb_array_size= s->mb_stride*s->mb_height;
+    int i;
+    
+    if(shared){
+        assert(pic->data[0]);
+        assert(pic->type == 0 || pic->type == FF_BUFFER_TYPE_SHARED);
+        pic->type= FF_BUFFER_TYPE_SHARED;
+    }else{
+        int r;
+        
+        assert(!pic->data[0]);
+        
+        r= s->avctx->get_buffer(s->avctx, (AVFrame*)pic);
+        
+        if(r<0 || !pic->age || !pic->type || !pic->data[0]){
+            fprintf(stderr, "get_buffer() failed (%d %d %d %p)\n", r, pic->age, pic->type, pic->data[0]);
+            return -1;
+        }
+
+        if(s->linesize && (s->linesize != pic->linesize[0] || s->uvlinesize != pic->linesize[1])){
+            fprintf(stderr, "get_buffer() failed (stride changed)\n");
+            return -1;
+        }
+
+        if(pic->linesize[1] != pic->linesize[2]){
+            fprintf(stderr, "get_buffer() failed (uv stride missmatch)\n");
+            return -1;
+        }
+
+        s->linesize  = pic->linesize[0];
+        s->uvlinesize= pic->linesize[1];
+    }
+    
+    if(pic->qscale_table==NULL){
+        if (s->encoding) {        
+            CHECKED_ALLOCZ(pic->mb_var   , mb_array_size * sizeof(int16_t))
+            CHECKED_ALLOCZ(pic->mc_mb_var, mb_array_size * sizeof(int16_t))
+            CHECKED_ALLOCZ(pic->mb_mean  , mb_array_size * sizeof(int8_t))
+            CHECKED_ALLOCZ(pic->mb_cmp_score, mb_array_size * sizeof(int32_t))
+        }
+
+        CHECKED_ALLOCZ(pic->mbskip_table , mb_array_size * sizeof(uint8_t)+2) //the +2 is for the slice end check
+        CHECKED_ALLOCZ(pic->qscale_table , mb_array_size * sizeof(uint8_t))
+        CHECKED_ALLOCZ(pic->mb_type_base , big_mb_num    * sizeof(int))
+        pic->mb_type= pic->mb_type_base + s->mb_stride+1;
+        if(s->out_format == FMT_H264){
+            for(i=0; i<2; i++){
+                CHECKED_ALLOCZ(pic->motion_val[i], 2 * 16 * s->mb_num * sizeof(uint16_t))
+                CHECKED_ALLOCZ(pic->ref_index[i] , 4 * s->mb_num * sizeof(uint8_t))
+            }
+        }
+        pic->qstride= s->mb_stride;
+    }
+
+    //it might be nicer if the application would keep track of these but it would require a API change
+    memmove(s->prev_pict_types+1, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE-1);
+    s->prev_pict_types[0]= s->pict_type;
+    if(pic->age < PREV_PICT_TYPES_BUFFER_SIZE && s->prev_pict_types[pic->age] == B_TYPE)
+        pic->age= INT_MAX; // skiped MBs in b frames are quite rare in mpeg1/2 and its a bit tricky to skip them anyway
+    
+    return 0;
+fail: //for the CHECKED_ALLOCZ macro
+    return -1;
+}
+
+/**
+ * deallocates a picture
+ */
+static void free_picture(MpegEncContext *s, Picture *pic){
+    int i;
+
+    if(pic->data[0] && pic->type!=FF_BUFFER_TYPE_SHARED){
+        s->avctx->release_buffer(s->avctx, (AVFrame*)pic);
+    }
+
+    av_freep(&pic->mb_var);
+    av_freep(&pic->mc_mb_var);
+    av_freep(&pic->mb_mean);
+    av_freep(&pic->mb_cmp_score);
+    av_freep(&pic->mbskip_table);
+    av_freep(&pic->qscale_table);
+    av_freep(&pic->mb_type_base);
+    pic->mb_type= NULL;
+    for(i=0; i<2; i++){
+        av_freep(&pic->motion_val[i]);
+        av_freep(&pic->ref_index[i]);
+    }
+    
+    if(pic->type == FF_BUFFER_TYPE_SHARED){
+        for(i=0; i<4; i++){
+            pic->base[i]=
+            pic->data[i]= NULL;
+        }
+        pic->type= 0;        
+    }
+}
+
+/* init common structure for both encoder and decoder */
+int MPV_common_init(MpegEncContext *s)
+{
+    int y_size, c_size, yc_size, i, mb_array_size, x, y;
+
+    dsputil_init(&s->dsp, s->avctx);
+    DCT_common_init(s);
+
+    s->flags= s->avctx->flags;
+
+    s->mb_width  = (s->width  + 15) / 16;
+    s->mb_height = (s->height + 15) / 16;
+    s->mb_stride = s->mb_width + 1;
+    mb_array_size= s->mb_height * s->mb_stride;
+
+    /* set default edge pos, will be overriden in decode_header if needed */
+    s->h_edge_pos= s->mb_width*16;
+    s->v_edge_pos= s->mb_height*16;
+
+    s->mb_num = s->mb_width * s->mb_height;
+    
+    s->block_wrap[0]=
+    s->block_wrap[1]=
+    s->block_wrap[2]=
+    s->block_wrap[3]= s->mb_width*2 + 2;
+    s->block_wrap[4]=
+    s->block_wrap[5]= s->mb_width + 2;
+
+    y_size = (2 * s->mb_width + 2) * (2 * s->mb_height + 2);
+    c_size = (s->mb_width + 2) * (s->mb_height + 2);
+    yc_size = y_size + 2 * c_size;
+
+    /* convert fourcc to upper case */
+    s->avctx->codec_tag=   toupper( s->avctx->codec_tag     &0xFF)          
+                        + (toupper((s->avctx->codec_tag>>8 )&0xFF)<<8 )
+                        + (toupper((s->avctx->codec_tag>>16)&0xFF)<<16) 
+                        + (toupper((s->avctx->codec_tag>>24)&0xFF)<<24);
+
+    s->avctx->stream_codec_tag=   toupper( s->avctx->stream_codec_tag     &0xFF)          
+                               + (toupper((s->avctx->stream_codec_tag>>8 )&0xFF)<<8 )
+                               + (toupper((s->avctx->stream_codec_tag>>16)&0xFF)<<16) 
+                               + (toupper((s->avctx->stream_codec_tag>>24)&0xFF)<<24);
+
+    CHECKED_ALLOCZ(s->allocated_edge_emu_buffer, (s->width+64)*2*17*2); //(width + edge + align)*interlaced*MBsize*tolerance
+    s->edge_emu_buffer= s->allocated_edge_emu_buffer + (s->width+64)*2*17;
+
+    s->avctx->coded_frame= (AVFrame*)&s->current_picture;
+
+    CHECKED_ALLOCZ(s->mb_index2xy, (s->mb_num+1)*sizeof(int)) //error ressilience code looks cleaner with this
+    for(y=0; y<s->mb_height; y++){
+        for(x=0; x<s->mb_width; x++){
+            s->mb_index2xy[ x + y*s->mb_width ] = x + y*s->mb_stride;
+        }
+    }
+    s->mb_index2xy[ s->mb_height*s->mb_width ] = (s->mb_height-1)*s->mb_stride + s->mb_width; //FIXME really needed?
+    
+    if (s->encoding) {
+        int mv_table_size= s->mb_stride * (s->mb_height+2) + 1;
+
+        /* Allocate MV tables */
+        CHECKED_ALLOCZ(s->p_mv_table_base            , mv_table_size * 2 * sizeof(int16_t))
+        CHECKED_ALLOCZ(s->b_forw_mv_table_base       , mv_table_size * 2 * sizeof(int16_t))
+        CHECKED_ALLOCZ(s->b_back_mv_table_base       , mv_table_size * 2 * sizeof(int16_t))
+        CHECKED_ALLOCZ(s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
+        CHECKED_ALLOCZ(s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t))
+        CHECKED_ALLOCZ(s->b_direct_mv_table_base     , mv_table_size * 2 * sizeof(int16_t))
+        s->p_mv_table           = s->p_mv_table_base            + s->mb_stride + 1;
+        s->b_forw_mv_table      = s->b_forw_mv_table_base       + s->mb_stride + 1;
+        s->b_back_mv_table      = s->b_back_mv_table_base       + s->mb_stride + 1;
+        s->b_bidir_forw_mv_table= s->b_bidir_forw_mv_table_base + s->mb_stride + 1;
+        s->b_bidir_back_mv_table= s->b_bidir_back_mv_table_base + s->mb_stride + 1;
+        s->b_direct_mv_table    = s->b_direct_mv_table_base     + s->mb_stride + 1;
+
+        //FIXME should be linesize instead of s->width*2 but that isnt known before get_buffer()
+        CHECKED_ALLOCZ(s->me.scratchpad,  s->width*2*16*3*sizeof(uint8_t)) 
+        
+        CHECKED_ALLOCZ(s->me.map      , ME_MAP_SIZE*sizeof(uint32_t))
+        CHECKED_ALLOCZ(s->me.score_map, ME_MAP_SIZE*sizeof(uint32_t))
+
+        if(s->codec_id==CODEC_ID_MPEG4){
+            CHECKED_ALLOCZ(s->tex_pb_buffer, PB_BUFFER_SIZE);
+            CHECKED_ALLOCZ(   s->pb2_buffer, PB_BUFFER_SIZE);
+        }
+        
+        if(s->msmpeg4_version){
+            CHECKED_ALLOCZ(s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int));
+        }
+        CHECKED_ALLOCZ(s->avctx->stats_out, 256);
+
+        /* Allocate MB type table */
+        CHECKED_ALLOCZ(s->mb_type  , mb_array_size * sizeof(uint8_t)) //needed for encoding
+    }
+        
+    CHECKED_ALLOCZ(s->error_status_table, mb_array_size*sizeof(uint8_t))
+    
+    if (s->out_format == FMT_H263 || s->encoding) {
+        int size;
+
+        /* MV prediction */
+        size = (2 * s->mb_width + 2) * (2 * s->mb_height + 2);
+        CHECKED_ALLOCZ(s->motion_val, size * 2 * sizeof(int16_t));
+    }
+
+    if(s->codec_id==CODEC_ID_MPEG4){
+        /* interlaced direct mode decoding tables */
+        CHECKED_ALLOCZ(s->field_mv_table, mb_array_size*2*2 * sizeof(int16_t))
+        CHECKED_ALLOCZ(s->field_select_table, mb_array_size*2* sizeof(int8_t))
+    }
+    if (s->out_format == FMT_H263) {
+        /* ac values */
+        CHECKED_ALLOCZ(s->ac_val[0], yc_size * sizeof(int16_t) * 16);
+        s->ac_val[1] = s->ac_val[0] + y_size;
+        s->ac_val[2] = s->ac_val[1] + c_size;
+        
+        /* cbp values */
+        CHECKED_ALLOCZ(s->coded_block, y_size);
+        
+        /* divx501 bitstream reorder buffer */
+        CHECKED_ALLOCZ(s->bitstream_buffer, BITSTREAM_BUFFER_SIZE);
+
+        /* cbp, ac_pred, pred_dir */
+        CHECKED_ALLOCZ(s->cbp_table  , mb_array_size * sizeof(uint8_t))
+        CHECKED_ALLOCZ(s->pred_dir_table, mb_array_size * sizeof(uint8_t))
+    }
+    
+    if (s->h263_pred || s->h263_plus || !s->encoding) {
+        /* dc values */
+        //MN: we need these for error resilience of intra-frames
+        CHECKED_ALLOCZ(s->dc_val[0], yc_size * sizeof(int16_t));
+        s->dc_val[1] = s->dc_val[0] + y_size;
+        s->dc_val[2] = s->dc_val[1] + c_size;
+        for(i=0;i<yc_size;i++)
+            s->dc_val[0][i] = 1024;
+    }
+
+    /* which mb is a intra block */
+    CHECKED_ALLOCZ(s->mbintra_table, mb_array_size);
+    memset(s->mbintra_table, 1, mb_array_size);
+    
+    /* default structure is frame */
+    s->picture_structure = PICT_FRAME;
+    
+    /* init macroblock skip table */
+    CHECKED_ALLOCZ(s->mbskip_table, mb_array_size+2);
+    //Note the +1 is for a quicker mpeg4 slice_end detection
+    CHECKED_ALLOCZ(s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE);
+    
+    s->block= s->blocks[0];
+
+    s->parse_context.state= -1;
+
+    s->context_initialized = 1;
+    return 0;
+ fail:
+    MPV_common_end(s);
+    return -1;
+}
+
+
+//extern int sads;
+
+/* init common structure for both encoder and decoder */
+void MPV_common_end(MpegEncContext *s)
+{
+    int i;
+
+    av_freep(&s->parse_context.buffer);
+    s->parse_context.buffer_size=0;
+
+    av_freep(&s->mb_type);
+    av_freep(&s->p_mv_table_base);
+    av_freep(&s->b_forw_mv_table_base);
+    av_freep(&s->b_back_mv_table_base);
+    av_freep(&s->b_bidir_forw_mv_table_base);
+    av_freep(&s->b_bidir_back_mv_table_base);
+    av_freep(&s->b_direct_mv_table_base);
+    s->p_mv_table= NULL;
+    s->b_forw_mv_table= NULL;
+    s->b_back_mv_table= NULL;
+    s->b_bidir_forw_mv_table= NULL;
+    s->b_bidir_back_mv_table= NULL;
+    s->b_direct_mv_table= NULL;
+    
+    av_freep(&s->motion_val);
+    av_freep(&s->dc_val[0]);
+    av_freep(&s->ac_val[0]);
+    av_freep(&s->coded_block);
+    av_freep(&s->mbintra_table);
+    av_freep(&s->cbp_table);
+    av_freep(&s->pred_dir_table);
+    av_freep(&s->me.scratchpad);
+    av_freep(&s->me.map);
+    av_freep(&s->me.score_map);
+    
+    av_freep(&s->mbskip_table);
+    av_freep(&s->prev_pict_types);
+    av_freep(&s->bitstream_buffer);
+    av_freep(&s->tex_pb_buffer);
+    av_freep(&s->pb2_buffer);
+    av_freep(&s->allocated_edge_emu_buffer); s->edge_emu_buffer= NULL;
+    av_freep(&s->field_mv_table);
+    av_freep(&s->field_select_table);
+    av_freep(&s->avctx->stats_out);
+    av_freep(&s->ac_stats);
+    av_freep(&s->error_status_table);
+    av_freep(&s->mb_index2xy);
+
+    for(i=0; i<MAX_PICTURE_COUNT; i++){
+        free_picture(s, &s->picture[i]);
+    }
+    avcodec_default_free_buffers(s->avctx);
+    s->context_initialized = 0;
+}
+
+#ifdef CONFIG_ENCODERS
+
+/* init video encoder */
+int MPV_encode_init(AVCodecContext *avctx)
+{
+    MpegEncContext *s = avctx->priv_data;
+    int i, dummy;
+    int chroma_h_shift, chroma_v_shift;
+
+    avctx->pix_fmt = PIX_FMT_YUV420P; // FIXME
+
+    s->bit_rate = avctx->bit_rate;
+    s->bit_rate_tolerance = avctx->bit_rate_tolerance;
+    s->width = avctx->width;
+    s->height = avctx->height;
+    if(avctx->gop_size > 600){
+        fprintf(stderr, "Warning keyframe interval too large! reducing it ...\n");
+        avctx->gop_size=600;
+    }
+    s->gop_size = avctx->gop_size;
+    s->rtp_mode = avctx->rtp_mode;
+    s->rtp_payload_size = avctx->rtp_payload_size;
+    if (avctx->rtp_callback)
+        s->rtp_callback = avctx->rtp_callback;
+    s->max_qdiff= avctx->max_qdiff;
+    s->qcompress= avctx->qcompress;
+    s->qblur= avctx->qblur;
+    s->avctx = avctx;
+    s->flags= avctx->flags;
+    s->max_b_frames= avctx->max_b_frames;
+    s->b_frame_strategy= avctx->b_frame_strategy;
+    s->codec_id= avctx->codec->id;
+    s->luma_elim_threshold  = avctx->luma_elim_threshold;
+    s->chroma_elim_threshold= avctx->chroma_elim_threshold;
+    s->strict_std_compliance= avctx->strict_std_compliance;
+    s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
+    s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
+    s->mpeg_quant= avctx->mpeg_quant;
+
+    if (s->gop_size <= 1) {
+        s->intra_only = 1;
+        s->gop_size = 12;
+    } else {
+        s->intra_only = 0;
+    }
+
+    s->me_method = avctx->me_method;
+
+    /* Fixed QSCALE */
+    s->fixed_qscale = (avctx->flags & CODEC_FLAG_QSCALE);
+    
+    s->adaptive_quant= (   s->avctx->lumi_masking
+                        || s->avctx->dark_masking
+                        || s->avctx->temporal_cplx_masking 
+                        || s->avctx->spatial_cplx_masking
+                        || s->avctx->p_masking)
+                       && !s->fixed_qscale;
+    
+    s->progressive_sequence= !(avctx->flags & CODEC_FLAG_INTERLACED_DCT);
+
+    if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4){
+        fprintf(stderr, "4MV not supporetd by codec\n");
+        return -1;
+    }
+    
+    if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
+        fprintf(stderr, "qpel not supporetd by codec\n");
+        return -1;
+    }
+
+    if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
+        fprintf(stderr, "data partitioning not supporetd by codec\n");
+        return -1;
+    }
+    
+    if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
+        fprintf(stderr, "b frames not supporetd by codec\n");
+        return -1;
+    }
+    
+    if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
+        fprintf(stderr, "mpeg2 style quantization not supporetd by codec\n");
+        return -1;
+    }
+        
+    if(s->codec_id==CODEC_ID_MJPEG){
+        s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
+        s->inter_quant_bias= 0;
+    }else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
+        s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
+        s->inter_quant_bias= 0;
+    }else{
+        s->intra_quant_bias=0;
+        s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
+    }
+    
+    if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
+        s->intra_quant_bias= avctx->intra_quant_bias;
+    if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
+        s->inter_quant_bias= avctx->inter_quant_bias;
+        
+    avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
+
+    av_reduce(&s->time_increment_resolution, &dummy, s->avctx->frame_rate, s->avctx->frame_rate_base, (1<<16)-1);
+    s->time_increment_bits = av_log2(s->time_increment_resolution - 1) + 1;
+
+    switch(avctx->codec->id) {
+    case CODEC_ID_MPEG1VIDEO:
+        s->out_format = FMT_MPEG1;
+        s->low_delay= 0; //s->max_b_frames ? 0 : 1;
+        avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
+        break;
+    case CODEC_ID_MPEG2VIDEO:
+        s->out_format = FMT_MPEG1;
+        s->low_delay= 0; //s->max_b_frames ? 0 : 1;
+        avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
+        s->rtp_mode= 1; // mpeg2 must have slices
+        if(s->rtp_payload_size == 0) s->rtp_payload_size= 256*256*256;
+        break;
+    case CODEC_ID_LJPEG:
+    case CODEC_ID_MJPEG:
+        s->out_format = FMT_MJPEG;
+        s->intra_only = 1; /* force intra only for jpeg */
+        s->mjpeg_write_tables = 1; /* write all tables */
+       s->mjpeg_data_only_frames = 0; /* write all the needed headers */
+        s->mjpeg_vsample[0] = 1<<chroma_v_shift;
+        s->mjpeg_vsample[1] = 1;
+        s->mjpeg_vsample[2] = 1; 
+        s->mjpeg_hsample[0] = 1<<chroma_h_shift;
+        s->mjpeg_hsample[1] = 1; 
+        s->mjpeg_hsample[2] = 1; 
+        if (mjpeg_init(s) < 0)
+            return -1;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+#ifdef CONFIG_RISKY
+    case CODEC_ID_H263:
+        if (h263_get_picture_format(s->width, s->height) == 7) {
+            printf("Input picture size isn't suitable for h263 codec! try h263+\n");
+            return -1;
+        }
+        s->out_format = FMT_H263;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+    case CODEC_ID_H263P:
+        s->out_format = FMT_H263;
+        s->h263_plus = 1;
+       /* Fx */
+       s->unrestricted_mv=(avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
+       s->h263_aic= (avctx->flags & CODEC_FLAG_H263P_AIC) ? 1:0;
+       /* /Fx */
+        /* These are just to be sure */
+        s->umvplus = 1;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+    case CODEC_ID_FLV1:
+        s->out_format = FMT_H263;
+        s->h263_flv = 2; /* format = 1; 11-bit codes */
+        s->unrestricted_mv = 1;
+        s->rtp_mode=0; /* don't allow GOB */
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+    case CODEC_ID_RV10:
+        s->out_format = FMT_H263;
+        s->h263_rv10 = 1;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+    case CODEC_ID_MPEG4:
+        s->out_format = FMT_H263;
+        s->h263_pred = 1;
+        s->unrestricted_mv = 1;
+        s->low_delay= s->max_b_frames ? 0 : 1;
+        avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
+        break;
+    case CODEC_ID_MSMPEG4V1:
+        s->out_format = FMT_H263;
+        s->h263_msmpeg4 = 1;
+        s->h263_pred = 1;
+        s->unrestricted_mv = 1;
+        s->msmpeg4_version= 1;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+    case CODEC_ID_MSMPEG4V2:
+        s->out_format = FMT_H263;
+        s->h263_msmpeg4 = 1;
+        s->h263_pred = 1;
+        s->unrestricted_mv = 1;
+        s->msmpeg4_version= 2;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+    case CODEC_ID_MSMPEG4V3:
+        s->out_format = FMT_H263;
+        s->h263_msmpeg4 = 1;
+        s->h263_pred = 1;
+        s->unrestricted_mv = 1;
+        s->msmpeg4_version= 3;
+        s->flipflop_rounding=1;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+    case CODEC_ID_WMV1:
+        s->out_format = FMT_H263;
+        s->h263_msmpeg4 = 1;
+        s->h263_pred = 1;
+        s->unrestricted_mv = 1;
+        s->msmpeg4_version= 4;
+        s->flipflop_rounding=1;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+    case CODEC_ID_WMV2:
+        s->out_format = FMT_H263;
+        s->h263_msmpeg4 = 1;
+        s->h263_pred = 1;
+        s->unrestricted_mv = 1;
+        s->msmpeg4_version= 5;
+        s->flipflop_rounding=1;
+        avctx->delay=0;
+        s->low_delay=1;
+        break;
+#endif
+    default:
+        return -1;
+    }
+    
+    { /* set up some save defaults, some codecs might override them later */
+        static int done=0;
+        if(!done){
+            int i;
+            done=1;
+
+            default_mv_penalty= av_mallocz( sizeof(uint8_t)*(MAX_FCODE+1)*(2*MAX_MV+1) );
+            memset(default_mv_penalty, 0, sizeof(uint8_t)*(MAX_FCODE+1)*(2*MAX_MV+1));
+            memset(default_fcode_tab , 0, sizeof(uint8_t)*(2*MAX_MV+1));
+
+            for(i=-16; i<16; i++){
+                default_fcode_tab[i + MAX_MV]= 1;
+            }
+        }
+    }
+    s->me.mv_penalty= default_mv_penalty;
+    s->fcode_tab= default_fcode_tab;
+    s->y_dc_scale_table=
+    s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
+    /* dont use mv_penalty table for crap MV as it would be confused */
+    //FIXME remove after fixing / removing old ME
+    if (s->me_method < ME_EPZS) s->me.mv_penalty = default_mv_penalty;
+
+    s->encoding = 1;
+
+    /* init */
+    if (MPV_common_init(s) < 0)
+        return -1;
+    
+    ff_init_me(s);
+
+#ifdef CONFIG_ENCODERS
+#ifdef CONFIG_RISKY
+    if (s->out_format == FMT_H263)
+        h263_encode_init(s);
+    if(s->msmpeg4_version)
+        ff_msmpeg4_encode_init(s);
+#endif
+    if (s->out_format == FMT_MPEG1)
+        ff_mpeg1_encode_init(s);
+#endif
+
+    /* init default q matrix */
+    for(i=0;i<64;i++) {
+        int j= s->dsp.idct_permutation[i];
+#ifdef CONFIG_RISKY
+        if(s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
+            s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
+            s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
+        }else if(s->out_format == FMT_H263){
+            s->intra_matrix[j] =
+            s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
+        }else
+#endif
+        { /* mpeg1/2 */
+            s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
+            s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
+        }
+        if(s->avctx->intra_matrix)
+            s->intra_matrix[j] = s->avctx->intra_matrix[i];
+        if(s->avctx->inter_matrix)
+            s->inter_matrix[j] = s->avctx->inter_matrix[i];
+    }
+
+    /* precompute matrix */
+    /* for mjpeg, we do include qscale in the matrix */
+    if (s->out_format != FMT_MJPEG) {
+        convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16, s->q_intra_matrix16_bias, 
+                       s->intra_matrix, s->intra_quant_bias, 1, 31);
+        convert_matrix(s, s->q_inter_matrix, s->q_inter_matrix16, s->q_inter_matrix16_bias, 
+                       s->inter_matrix, s->inter_quant_bias, 1, 31);
+    }
+
+    if(ff_rate_control_init(s) < 0)
+        return -1;
+
+    s->picture_number = 0;
+    s->picture_in_gop_number = 0;
+    s->fake_picture_number = 0;
+    /* motion detector init */
+    s->f_code = 1;
+    s->b_code = 1;
+
+    return 0;
+}
+
+int MPV_encode_end(AVCodecContext *avctx)
+{
+    MpegEncContext *s = avctx->priv_data;
+
+#ifdef STATS
+    print_stats();
+#endif
+
+    ff_rate_control_uninit(s);
+
+    MPV_common_end(s);
+    if (s->out_format == FMT_MJPEG)
+        mjpeg_close(s);
+
+    av_freep(&avctx->extradata);
+      
+    return 0;
+}
+
+#endif //CONFIG_ENCODERS
+
+void init_rl(RLTable *rl)
+{
+    int8_t max_level[MAX_RUN+1], max_run[MAX_LEVEL+1];
+    uint8_t index_run[MAX_RUN+1];
+    int last, run, level, start, end, i;
+
+    /* compute max_level[], max_run[] and index_run[] */
+    for(last=0;last<2;last++) {
+        if (last == 0) {
+            start = 0;
+            end = rl->last;
+        } else {
+            start = rl->last;
+            end = rl->n;
+        }
+
+        memset(max_level, 0, MAX_RUN + 1);
+        memset(max_run, 0, MAX_LEVEL + 1);
+        memset(index_run, rl->n, MAX_RUN + 1);
+        for(i=start;i<end;i++) {
+            run = rl->table_run[i];
+            level = rl->table_level[i];
+            if (index_run[run] == rl->n)
+                index_run[run] = i;
+            if (level > max_level[run])
+                max_level[run] = level;
+            if (run > max_run[level])
+                max_run[level] = run;
+        }
+        rl->max_level[last] = av_malloc(MAX_RUN + 1);
+        memcpy(rl->max_level[last], max_level, MAX_RUN + 1);
+        rl->max_run[last] = av_malloc(MAX_LEVEL + 1);
+        memcpy(rl->max_run[last], max_run, MAX_LEVEL + 1);
+        rl->index_run[last] = av_malloc(MAX_RUN + 1);
+        memcpy(rl->index_run[last], index_run, MAX_RUN + 1);
+    }
+}
+
+/* draw the edges of width 'w' of an image of size width, height */
+//FIXME check that this is ok for mpeg4 interlaced
+static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w)
+{
+    uint8_t *ptr, *last_line;
+    int i;
+
+    last_line = buf + (height - 1) * wrap;
+    for(i=0;i<w;i++) {
+        /* top and bottom */
+        memcpy(buf - (i + 1) * wrap, buf, width);
+        memcpy(last_line + (i + 1) * wrap, last_line, width);
+    }
+    /* left and right */
+    ptr = buf;
+    for(i=0;i<height;i++) {
+        memset(ptr - w, ptr[0], w);
+        memset(ptr + width, ptr[width-1], w);
+        ptr += wrap;
+    }
+    /* corners */
+    for(i=0;i<w;i++) {
+        memset(buf - (i + 1) * wrap - w, buf[0], w); /* top left */
+        memset(buf - (i + 1) * wrap + width, buf[width-1], w); /* top right */
+        memset(last_line + (i + 1) * wrap - w, last_line[0], w); /* top left */
+        memset(last_line + (i + 1) * wrap + width, last_line[width-1], w); /* top right */
+    }
+}
+
+static int find_unused_picture(MpegEncContext *s, int shared){
+    int i;
+    
+    if(shared){
+        for(i=0; i<MAX_PICTURE_COUNT; i++){
+            if(s->picture[i].data[0]==NULL && s->picture[i].type==0) break;
+        }
+    }else{
+        for(i=0; i<MAX_PICTURE_COUNT; i++){
+            if(s->picture[i].data[0]==NULL && s->picture[i].type!=0) break; //FIXME
+        }
+        for(i=0; i<MAX_PICTURE_COUNT; i++){
+            if(s->picture[i].data[0]==NULL) break;
+        }
+    }
+
+    assert(i<MAX_PICTURE_COUNT);
+    return i;
+}
+
+/* generic function for encode/decode called before a frame is coded/decoded */
+int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx)
+{
+    int i;
+    AVFrame *pic;
+
+    s->mb_skiped = 0;
+
+    assert(s->last_picture_ptr==NULL || s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3);
+
+    /* mark&release old frames */
+    if (s->pict_type != B_TYPE && s->last_picture_ptr && s->last_picture_ptr->data[0]) {
+        avctx->release_buffer(avctx, (AVFrame*)s->last_picture_ptr);
+
+        /* release forgotten pictures */
+        /* if(mpeg124/h263) */
+        if(!s->encoding){
+            for(i=0; i<MAX_PICTURE_COUNT; i++){
+                if(s->picture[i].data[0] && &s->picture[i] != s->next_picture_ptr && s->picture[i].reference){
+                    fprintf(stderr, "releasing zombie picture\n");
+                    avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]);                
+                }
+            }
+        }
+    }
+alloc:
+    if(!s->encoding){
+        /* release non refernce frames */
+        for(i=0; i<MAX_PICTURE_COUNT; i++){
+            if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
+                s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]);
+            }
+        }
+
+        i= find_unused_picture(s, 0);
+    
+        pic= (AVFrame*)&s->picture[i];
+        pic->reference= s->pict_type != B_TYPE ? 3 : 0;
+
+        if(s->current_picture_ptr)
+            pic->coded_picture_number= s->current_picture_ptr->coded_picture_number+1;
+        
+        if( alloc_picture(s, (Picture*)pic, 0) < 0)
+            return -1;
+
+        s->current_picture_ptr= &s->picture[i];
+    }
+
+    s->current_picture_ptr->pict_type= s->pict_type;
+    s->current_picture_ptr->quality= s->qscale;
+    s->current_picture_ptr->key_frame= s->pict_type == I_TYPE;
+
+    s->current_picture= *s->current_picture_ptr;
+  
+  if(s->out_format != FMT_H264 || s->codec_id == CODEC_ID_SVQ3){
+    if (s->pict_type != B_TYPE) {
+        s->last_picture_ptr= s->next_picture_ptr;
+        s->next_picture_ptr= s->current_picture_ptr;
+    }
+    
+    if(s->last_picture_ptr) s->last_picture= *s->last_picture_ptr;
+    if(s->next_picture_ptr) s->next_picture= *s->next_picture_ptr;
+    if(s->new_picture_ptr ) s->new_picture = *s->new_picture_ptr;
+    
+    if(s->pict_type != I_TYPE && s->last_picture_ptr==NULL){
+        fprintf(stderr, "warning: first frame is no keyframe\n");
+        assert(s->pict_type != B_TYPE); //these should have been dropped if we dont have a reference
+        goto alloc;
+    }
+
+    assert(s->pict_type == I_TYPE || (s->last_picture_ptr && s->last_picture_ptr->data[0]));
+
+    if(s->picture_structure!=PICT_FRAME){
+        int i;
+        for(i=0; i<4; i++){
+            if(s->picture_structure == PICT_BOTTOM_FIELD){
+                 s->current_picture.data[i] += s->current_picture.linesize[i];
+            } 
+            s->current_picture.linesize[i] *= 2;
+            s->last_picture.linesize[i] *=2;
+            s->next_picture.linesize[i] *=2;
+        }
+    }
+  }
+   
+    s->hurry_up= s->avctx->hurry_up;
+    s->error_resilience= avctx->error_resilience;
+
+    /* set dequantizer, we cant do it during init as it might change for mpeg4
+       and we cant do it in the header decode as init isnt called for mpeg4 there yet */
+    if(s->mpeg_quant || s->codec_id == CODEC_ID_MPEG2VIDEO) 
+        s->dct_unquantize = s->dct_unquantize_mpeg2;
+    else if(s->out_format == FMT_H263)
+        s->dct_unquantize = s->dct_unquantize_h263;
+    else 
+        s->dct_unquantize = s->dct_unquantize_mpeg1;
+
+#ifdef HAVE_XVMC
+    if(s->avctx->xvmc_acceleration)
+        return XVMC_field_start(s, avctx);
+#endif
+    return 0;
+}
+
+/* generic function for encode/decode called after a frame has been coded/decoded */
+void MPV_frame_end(MpegEncContext *s)
+{
+    int i;
+    /* draw edge for correct motion prediction if outside */
+#ifdef HAVE_XVMC
+//just to make sure that all data is rendered.
+    if(s->avctx->xvmc_acceleration){
+        XVMC_field_end(s);
+    }else
+#endif
+    if(s->codec_id!=CODEC_ID_SVQ1 && s->out_format != FMT_MPEG1){
+        if (s->pict_type != B_TYPE && !s->intra_only && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
+            draw_edges(s->current_picture.data[0], s->linesize  , s->h_edge_pos   , s->v_edge_pos   , EDGE_WIDTH  );
+            draw_edges(s->current_picture.data[1], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
+            draw_edges(s->current_picture.data[2], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
+        }
+    }
+    emms_c();
+    
+    s->last_pict_type    = s->pict_type;
+    if(s->pict_type!=B_TYPE){
+        s->last_non_b_pict_type= s->pict_type;
+    }
+#if 0
+        /* copy back current_picture variables */
+    for(i=0; i<MAX_PICTURE_COUNT; i++){
+        if(s->picture[i].data[0] == s->current_picture.data[0]){
+            s->picture[i]= s->current_picture;
+            break;
+        }    
+    }
+    assert(i<MAX_PICTURE_COUNT);
+#endif    
+
+    if(s->encoding){
+        /* release non refernce frames */
+        for(i=0; i<MAX_PICTURE_COUNT; i++){
+            if(s->picture[i].data[0] && !s->picture[i].reference /*&& s->picture[i].type!=FF_BUFFER_TYPE_SHARED*/){
+                s->avctx->release_buffer(s->avctx, (AVFrame*)&s->picture[i]);
+            }
+        }
+    }
+    // clear copies, to avoid confusion
+#if 0
+    memset(&s->last_picture, 0, sizeof(Picture));
+    memset(&s->next_picture, 0, sizeof(Picture));
+    memset(&s->current_picture, 0, sizeof(Picture));
+#endif
+}
+
+/**
+ * draws an line from (ex, ey) -> (sx, sy).
+ * @param w width of the image
+ * @param h height of the image
+ * @param stride stride/linesize of the image
+ * @param color color of the arrow
+ */
+static void draw_line(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){
+    int t, x, y, f;
+    
+    sx= clip(sx, 0, w-1);
+    sy= clip(sy, 0, h-1);
+    ex= clip(ex, 0, w-1);
+    ey= clip(ey, 0, h-1);
+    
+    buf[sy*stride + sx]+= color;
+    
+    if(ABS(ex - sx) > ABS(ey - sy)){
+        if(sx > ex){
+            t=sx; sx=ex; ex=t;
+            t=sy; sy=ey; ey=t;
+        }
+        buf+= sx + sy*stride;
+        ex-= sx;
+        f= ((ey-sy)<<16)/ex;
+        for(x= 0; x <= ex; x++){
+            y= ((x*f) + (1<<15))>>16;
+            buf[y*stride + x]+= color;
+        }
+    }else{
+        if(sy > ey){
+            t=sx; sx=ex; ex=t;
+            t=sy; sy=ey; ey=t;
+        }
+        buf+= sx + sy*stride;
+        ey-= sy;
+        if(ey) f= ((ex-sx)<<16)/ey;
+        else   f= 0;
+        for(y= 0; y <= ey; y++){
+            x= ((y*f) + (1<<15))>>16;
+            buf[y*stride + x]+= color;
+        }
+    }
+}
+
+/**
+ * draws an arrow from (ex, ey) -> (sx, sy).
+ * @param w width of the image
+ * @param h height of the image
+ * @param stride stride/linesize of the image
+ * @param color color of the arrow
+ */
+static void draw_arrow(uint8_t *buf, int sx, int sy, int ex, int ey, int w, int h, int stride, int color){ 
+    int dx,dy;
+
+    sx= clip(sx, -100, w+100);
+    sy= clip(sy, -100, h+100);
+    ex= clip(ex, -100, w+100);
+    ey= clip(ey, -100, h+100);
+    
+    dx= ex - sx;
+    dy= ey - sy;
+    
+    if(dx*dx + dy*dy > 3*3){
+        int rx=  dx + dy;
+        int ry= -dx + dy;
+        int length= ff_sqrt((rx*rx + ry*ry)<<8);
+        
+        //FIXME subpixel accuracy
+        rx= ROUNDED_DIV(rx*3<<4, length);
+        ry= ROUNDED_DIV(ry*3<<4, length);
+        
+        draw_line(buf, sx, sy, sx + rx, sy + ry, w, h, stride, color);
+        draw_line(buf, sx, sy, sx - ry, sy + rx, w, h, stride, color);
+    }
+    draw_line(buf, sx, sy, ex, ey, w, h, stride, color);
+}
+
+/**
+ * prints debuging info for the given picture.
+ */
+void ff_print_debug_info(MpegEncContext *s, Picture *pict){
+
+    if(!pict || !pict->mb_type) return;
+
+    if(s->avctx->debug&(FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)){
+        int x,y;
+
+        for(y=0; y<s->mb_height; y++){
+            for(x=0; x<s->mb_width; x++){
+                if(s->avctx->debug&FF_DEBUG_SKIP){
+                    int count= s->mbskip_table[x + y*s->mb_stride];
+                    if(count>9) count=9;
+                    printf("%1d", count);
+                }
+                if(s->avctx->debug&FF_DEBUG_QP){
+                    printf("%2d", pict->qscale_table[x + y*s->mb_stride]);
+                }
+                if(s->avctx->debug&FF_DEBUG_MB_TYPE){
+                    int mb_type= pict->mb_type[x + y*s->mb_stride];
+                    
+                    //Type & MV direction
+                    if(IS_PCM(mb_type))
+                        printf("P");
+                    else if(IS_INTRA(mb_type) && IS_ACPRED(mb_type))
+                        printf("A");
+                    else if(IS_INTRA4x4(mb_type))
+                        printf("i");
+                    else if(IS_INTRA16x16(mb_type))
+                        printf("I");
+                    else if(IS_DIRECT(mb_type) && IS_SKIP(mb_type))
+                        printf("d");
+                    else if(IS_DIRECT(mb_type))
+                        printf("D");
+                    else if(IS_GMC(mb_type) && IS_SKIP(mb_type))
+                        printf("g");
+                    else if(IS_GMC(mb_type))
+                        printf("G");
+                    else if(IS_SKIP(mb_type))
+                        printf("S");
+                    else if(!USES_LIST(mb_type, 1))
+                        printf(">");
+                    else if(!USES_LIST(mb_type, 0))
+                        printf("<");
+                    else{
+                        assert(USES_LIST(mb_type, 0) && USES_LIST(mb_type, 1));
+                        printf("X");
+                    }
+                    
+                    //segmentation
+                    if(IS_8X8(mb_type))
+                        printf("+");
+                    else if(IS_16X8(mb_type))
+                        printf("-");
+                    else if(IS_8X16(mb_type))
+                        printf("¦");
+                    else if(IS_INTRA(mb_type) || IS_16X16(mb_type))
+                        printf(" ");
+                    else
+                        printf("?");
+                    
+                        
+                    if(IS_INTERLACED(mb_type) && s->codec_id == CODEC_ID_H264)
+                        printf("=");
+                    else
+                        printf(" ");
+                }
+//                printf(" ");
+            }
+            printf("\n");
+        }
+    }
+    
+    if((s->avctx->debug&FF_DEBUG_VIS_MV) && s->motion_val){
+        const int shift= 1 + s->quarter_sample;
+        int mb_y;
+        uint8_t *ptr= pict->data[0];
+        s->low_delay=0; //needed to see the vectors without trashing the buffers
+
+        for(mb_y=0; mb_y<s->mb_height; mb_y++){
+            int mb_x;
+            for(mb_x=0; mb_x<s->mb_width; mb_x++){
+                const int mb_index= mb_x + mb_y*s->mb_stride;
+                if(IS_8X8(s->current_picture.mb_type[mb_index])){
+                    int i;
+                    for(i=0; i<4; i++){
+                        int sx= mb_x*16 + 4 + 8*(i&1);
+                        int sy= mb_y*16 + 4 + 8*(i>>1);
+                        int xy= 1 + mb_x*2 + (i&1) + (mb_y*2 + 1 + (i>>1))*(s->mb_width*2 + 2);
+                        int mx= (s->motion_val[xy][0]>>shift) + sx;
+                        int my= (s->motion_val[xy][1]>>shift) + sy;
+                        draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
+                    }
+                }else{
+                    int sx= mb_x*16 + 8;
+                    int sy= mb_y*16 + 8;
+                    int xy= 1 + mb_x*2 + (mb_y*2 + 1)*(s->mb_width*2 + 2);
+                    int mx= (s->motion_val[xy][0]>>shift) + sx;
+                    int my= (s->motion_val[xy][1]>>shift) + sy;
+                    draw_arrow(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
+                }
+                s->mbskip_table[mb_index]=0;
+            }
+        }
+    }
+}
+
+#ifdef CONFIG_ENCODERS
+
+static int get_sae(uint8_t *src, int ref, int stride){
+    int x,y;
+    int acc=0;
+    
+    for(y=0; y<16; y++){
+        for(x=0; x<16; x++){
+            acc+= ABS(src[x+y*stride] - ref);
+        }
+    }
+    
+    return acc;
+}
+
+static int get_intra_count(MpegEncContext *s, uint8_t *src, uint8_t *ref, int stride){
+    int x, y, w, h;
+    int acc=0;
+    
+    w= s->width &~15;
+    h= s->height&~15;
+    
+    for(y=0; y<h; y+=16){
+        for(x=0; x<w; x+=16){
+            int offset= x + y*stride;
+            int sad = s->dsp.pix_abs16x16(src + offset, ref + offset, stride);
+            int mean= (s->dsp.pix_sum(src + offset, stride) + 128)>>8;
+            int sae = get_sae(src + offset, mean, stride);
+            
+            acc+= sae + 500 < sad;
+        }
+    }
+    return acc;
+}
+
+
+static int load_input_picture(MpegEncContext *s, AVFrame *pic_arg){
+    AVFrame *pic=NULL;
+    int i;
+    const int encoding_delay= s->max_b_frames;
+    int direct=1;
+    
+  if(pic_arg){
+    if(encoding_delay && !(s->flags&CODEC_FLAG_INPUT_PRESERVED)) direct=0;
+    if(pic_arg->linesize[0] != s->linesize) direct=0;
+    if(pic_arg->linesize[1] != s->uvlinesize) direct=0;
+    if(pic_arg->linesize[2] != s->uvlinesize) direct=0;
+  
+//    printf("%d %d %d %d\n",pic_arg->linesize[0], pic_arg->linesize[1], s->linesize, s->uvlinesize);
+    
+    if(direct){
+        i= find_unused_picture(s, 1);
+
+        pic= (AVFrame*)&s->picture[i];
+        pic->reference= 3;
+    
+        for(i=0; i<4; i++){
+            pic->data[i]= pic_arg->data[i];
+            pic->linesize[i]= pic_arg->linesize[i];
+        }
+        alloc_picture(s, (Picture*)pic, 1);
+    }else{
+        i= find_unused_picture(s, 0);
+
+        pic= (AVFrame*)&s->picture[i];
+        pic->reference= 3;
+
+        alloc_picture(s, (Picture*)pic, 0);
+        for(i=0; i<4; i++){
+            /* the input will be 16 pixels to the right relative to the actual buffer start
+             * and the current_pic, so the buffer can be reused, yes its not beatifull 
+             */
+            pic->data[i]+= 16; 
+        }
+
+        if(   pic->data[0] == pic_arg->data[0] 
+           && pic->data[1] == pic_arg->data[1]
+           && pic->data[2] == pic_arg->data[2]){
+       // empty
+        }else{
+            int h_chroma_shift, v_chroma_shift;
+            avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &h_chroma_shift, &v_chroma_shift);
+        
+            for(i=0; i<3; i++){
+                int src_stride= pic_arg->linesize[i];
+                int dst_stride= i ? s->uvlinesize : s->linesize;
+                int h_shift= i ? h_chroma_shift : 0;
+                int v_shift= i ? v_chroma_shift : 0;
+                int w= s->width >>h_shift;
+                int h= s->height>>v_shift;
+                uint8_t *src= pic_arg->data[i];
+                uint8_t *dst= pic->data[i];
+            
+                if(src_stride==dst_stride)
+                    memcpy(dst, src, src_stride*h);
+                else{
+                    while(h--){
+                        memcpy(dst, src, w);
+                        dst += dst_stride;
+                        src += src_stride;
+                    }
+                }
+            }
+        }
+    }
+    pic->quality= pic_arg->quality;
+    pic->pict_type= pic_arg->pict_type;
+    pic->pts = pic_arg->pts;
+    
+    if(s->input_picture[encoding_delay])
+        pic->display_picture_number= s->input_picture[encoding_delay]->display_picture_number + 1;
+    
+  }
+
+    /* shift buffer entries */
+    for(i=1; i<MAX_PICTURE_COUNT /*s->encoding_delay+1*/; i++)
+        s->input_picture[i-1]= s->input_picture[i];
+        
+    s->input_picture[encoding_delay]= (Picture*)pic;
+
+    return 0;
+}
+
+static void select_input_picture(MpegEncContext *s){
+    int i;
+    int coded_pic_num=0;    
+
+    if(s->reordered_input_picture[0])
+        coded_pic_num= s->reordered_input_picture[0]->coded_picture_number + 1;
+
+    for(i=1; i<MAX_PICTURE_COUNT; i++)
+        s->reordered_input_picture[i-1]= s->reordered_input_picture[i];
+    s->reordered_input_picture[MAX_PICTURE_COUNT-1]= NULL;
+
+    /* set next picture types & ordering */
+    if(s->reordered_input_picture[0]==NULL && s->input_picture[0]){
+        if(/*s->picture_in_gop_number >= s->gop_size ||*/ s->next_picture_ptr==NULL || s->intra_only){
+            s->reordered_input_picture[0]= s->input_picture[0];
+            s->reordered_input_picture[0]->pict_type= I_TYPE;
+            s->reordered_input_picture[0]->coded_picture_number= coded_pic_num;
+        }else{
+            int b_frames;
+            
+            if(s->flags&CODEC_FLAG_PASS2){
+                for(i=0; i<s->max_b_frames+1; i++){
+                    int pict_num= s->input_picture[0]->display_picture_number + i;
+                    int pict_type= s->rc_context.entry[pict_num].new_pict_type;
+                    s->input_picture[i]->pict_type= pict_type;
+                    
+                    if(i + 1 >= s->rc_context.num_entries) break;
+                }
+            }
+
+            if(s->input_picture[0]->pict_type){
+                /* user selected pict_type */
+                for(b_frames=0; b_frames<s->max_b_frames+1; b_frames++){
+                    if(s->input_picture[b_frames]->pict_type!=B_TYPE) break;
+                }
+            
+                if(b_frames > s->max_b_frames){
+                    fprintf(stderr, "warning, too many bframes in a row\n");
+                    b_frames = s->max_b_frames;
+                }
+            }else if(s->b_frame_strategy==0){
+                b_frames= s->max_b_frames;
+                while(b_frames && !s->input_picture[b_frames]) b_frames--;
+            }else if(s->b_frame_strategy==1){
+                for(i=1; i<s->max_b_frames+1; i++){
+                    if(s->input_picture[i] && s->input_picture[i]->b_frame_score==0){
+                        s->input_picture[i]->b_frame_score= 
+                            get_intra_count(s, s->input_picture[i  ]->data[0], 
+                                               s->input_picture[i-1]->data[0], s->linesize) + 1;
+                    }
+                }
+                for(i=0; i<s->max_b_frames; i++){
+                    if(s->input_picture[i]==NULL || s->input_picture[i]->b_frame_score - 1 > s->mb_num/40) break;
+                }
+                                
+                b_frames= FFMAX(0, i-1);
+                
+                /* reset scores */
+                for(i=0; i<b_frames+1; i++){
+                    s->input_picture[i]->b_frame_score=0;
+                }
+            }else{
+                fprintf(stderr, "illegal b frame strategy\n");
+                b_frames=0;
+            }
+
+            emms_c();
+//static int b_count=0;
+//b_count+= b_frames;
+//printf("b_frames: %d\n", b_count);
+                        
+            s->reordered_input_picture[0]= s->input_picture[b_frames];
+            if(   s->picture_in_gop_number + b_frames >= s->gop_size 
+               || s->reordered_input_picture[0]->pict_type== I_TYPE)
+                s->reordered_input_picture[0]->pict_type= I_TYPE;
+            else
+                s->reordered_input_picture[0]->pict_type= P_TYPE;
+            s->reordered_input_picture[0]->coded_picture_number= coded_pic_num;
+            for(i=0; i<b_frames; i++){
+                coded_pic_num++;
+                s->reordered_input_picture[i+1]= s->input_picture[i];
+                s->reordered_input_picture[i+1]->pict_type= B_TYPE;
+                s->reordered_input_picture[i+1]->coded_picture_number= coded_pic_num;
+            }
+        }
+    }
+    
+    if(s->reordered_input_picture[0]){
+        s->reordered_input_picture[0]->reference= s->reordered_input_picture[0]->pict_type!=B_TYPE ? 3 : 0;
+
+        s->new_picture= *s->reordered_input_picture[0];
+
+        if(s->reordered_input_picture[0]->type == FF_BUFFER_TYPE_SHARED){
+            // input is a shared pix, so we cant modifiy it -> alloc a new one & ensure that the shared one is reuseable
+        
+            int i= find_unused_picture(s, 0);
+            Picture *pic= &s->picture[i];
+
+            /* mark us unused / free shared pic */
+            for(i=0; i<4; i++)
+                s->reordered_input_picture[0]->data[i]= NULL;
+            s->reordered_input_picture[0]->type= 0;
+            
+            //FIXME bad, copy * except
+            pic->pict_type = s->reordered_input_picture[0]->pict_type;
+            pic->quality   = s->reordered_input_picture[0]->quality;
+            pic->coded_picture_number = s->reordered_input_picture[0]->coded_picture_number;
+            pic->reference = s->reordered_input_picture[0]->reference;
+           pic->pts = s->reordered_input_picture[0]->pts;
+            
+            alloc_picture(s, pic, 0);
+
+            s->current_picture_ptr= pic;
+        }else{
+            // input is not a shared pix -> reuse buffer for current_pix
+
+            assert(   s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_USER 
+                   || s->reordered_input_picture[0]->type==FF_BUFFER_TYPE_INTERNAL);
+            
+            s->current_picture_ptr= s->reordered_input_picture[0];
+            for(i=0; i<4; i++){
+                //reverse the +16 we did before storing the input
+                s->current_picture_ptr->data[i]-=16;
+            }
+        }
+        s->current_picture= *s->current_picture_ptr;
+    
+        s->picture_number= s->new_picture.display_picture_number;
+//printf("dpn:%d\n", s->picture_number);
+    }else{
+       memset(&s->new_picture, 0, sizeof(Picture));
+    }
+}
+
+int MPV_encode_picture(AVCodecContext *avctx,
+                       unsigned char *buf, int buf_size, void *data)
+{
+    MpegEncContext *s = avctx->priv_data;
+    AVFrame *pic_arg = data;
+    int i;
+
+    if(avctx->pix_fmt != PIX_FMT_YUV420P){
+        fprintf(stderr, "this codec supports only YUV420P\n");
+        return -1;
+    }
+    
+    init_put_bits(&s->pb, buf, buf_size, NULL, NULL);
+
+    s->picture_in_gop_number++;
+
+    load_input_picture(s, pic_arg);
+    
+    select_input_picture(s);
+    
+    /* output? */
+    if(s->new_picture.data[0]){
+
+        s->pict_type= s->new_picture.pict_type;
+        if (s->fixed_qscale){ /* the ratecontrol needs the last qscale so we dont touch it for CBR */
+            s->qscale= (int)(s->new_picture.quality+0.5);
+            assert(s->qscale);
+        }
+//emms_c();
+//printf("qs:%f %f %d\n", s->new_picture.quality, s->current_picture.quality, s->qscale);
+        MPV_frame_start(s, avctx);
+
+        encode_picture(s, s->picture_number);
+        
+        avctx->real_pict_num  = s->picture_number;
+        avctx->header_bits = s->header_bits;
+        avctx->mv_bits     = s->mv_bits;
+        avctx->misc_bits   = s->misc_bits;
+        avctx->i_tex_bits  = s->i_tex_bits;
+        avctx->p_tex_bits  = s->p_tex_bits;
+        avctx->i_count     = s->i_count;
+        avctx->p_count     = s->mb_num - s->i_count - s->skip_count; //FIXME f/b_count in avctx
+        avctx->skip_count  = s->skip_count;
+
+        MPV_frame_end(s);
+
+        if (s->out_format == FMT_MJPEG)
+            mjpeg_picture_trailer(s);
+        
+        if(s->flags&CODEC_FLAG_PASS1)
+            ff_write_pass1_stats(s);
+
+        for(i=0; i<4; i++){
+            avctx->error[i] += s->current_picture_ptr->error[i];
+        }
+    }
+
+    s->input_picture_number++;
+
+    flush_put_bits(&s->pb);
+    s->frame_bits  = (pbBufPtr(&s->pb) - s->pb.buf) * 8;
+    
+    s->total_bits += s->frame_bits;
+    avctx->frame_bits  = s->frame_bits;
+    
+    return pbBufPtr(&s->pb) - s->pb.buf;
+}
+
+#endif //CONFIG_ENCODERS
+
+static inline void gmc1_motion(MpegEncContext *s,
+                               uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+                               int dest_offset,
+                               uint8_t **ref_picture, int src_offset)
+{
+    uint8_t *ptr;
+    int offset, src_x, src_y, linesize, uvlinesize;
+    int motion_x, motion_y;
+    int emu=0;
+
+    motion_x= s->sprite_offset[0][0];
+    motion_y= s->sprite_offset[0][1];
+    src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy+1));
+    src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy+1));
+    motion_x<<=(3-s->sprite_warping_accuracy);
+    motion_y<<=(3-s->sprite_warping_accuracy);
+    src_x = clip(src_x, -16, s->width);
+    if (src_x == s->width)
+        motion_x =0;
+    src_y = clip(src_y, -16, s->height);
+    if (src_y == s->height)
+        motion_y =0;
+
+    linesize = s->linesize;
+    uvlinesize = s->uvlinesize;
+    
+    ptr = ref_picture[0] + (src_y * linesize) + src_x + src_offset;
+
+    dest_y+=dest_offset;
+    if(s->flags&CODEC_FLAG_EMU_EDGE){
+        if(src_x<0 || src_y<0 || src_x + 17 >= s->h_edge_pos
+                              || src_y + 17 >= s->v_edge_pos){
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+            ptr= s->edge_emu_buffer;
+        }
+    }
+    
+    if((motion_x|motion_y)&7){
+        s->dsp.gmc1(dest_y  , ptr  , linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
+        s->dsp.gmc1(dest_y+8, ptr+8, linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding);
+    }else{
+        int dxy;
+        
+        dxy= ((motion_x>>3)&1) | ((motion_y>>2)&2);
+        if (s->no_rounding){
+           s->dsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16);
+        }else{
+            s->dsp.put_pixels_tab       [0][dxy](dest_y, ptr, linesize, 16);
+        }
+    }
+    
+    if(s->flags&CODEC_FLAG_GRAY) return;
+
+    motion_x= s->sprite_offset[1][0];
+    motion_y= s->sprite_offset[1][1];
+    src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy+1));
+    src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy+1));
+    motion_x<<=(3-s->sprite_warping_accuracy);
+    motion_y<<=(3-s->sprite_warping_accuracy);
+    src_x = clip(src_x, -8, s->width>>1);
+    if (src_x == s->width>>1)
+        motion_x =0;
+    src_y = clip(src_y, -8, s->height>>1);
+    if (src_y == s->height>>1)
+        motion_y =0;
+
+    offset = (src_y * uvlinesize) + src_x + (src_offset>>1);
+    ptr = ref_picture[1] + offset;
+    if(s->flags&CODEC_FLAG_EMU_EDGE){
+        if(src_x<0 || src_y<0 || src_x + 9 >= s->h_edge_pos>>1
+                              || src_y + 9 >= s->v_edge_pos>>1){
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+            ptr= s->edge_emu_buffer;
+            emu=1;
+        }
+    }
+    s->dsp.gmc1(dest_cb + (dest_offset>>1), ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
+    
+    ptr = ref_picture[2] + offset;
+    if(emu){
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+        ptr= s->edge_emu_buffer;
+    }
+    s->dsp.gmc1(dest_cr + (dest_offset>>1), ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding);
+    
+    return;
+}
+
+static inline void gmc_motion(MpegEncContext *s,
+                               uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+                               int dest_offset,
+                               uint8_t **ref_picture, int src_offset)
+{
+    uint8_t *ptr;
+    int linesize, uvlinesize;
+    const int a= s->sprite_warping_accuracy;
+    int ox, oy;
+
+    linesize = s->linesize;
+    uvlinesize = s->uvlinesize;
+
+    ptr = ref_picture[0] + src_offset;
+
+    dest_y+=dest_offset;
+    
+    ox= s->sprite_offset[0][0] + s->sprite_delta[0][0]*s->mb_x*16 + s->sprite_delta[0][1]*s->mb_y*16;
+    oy= s->sprite_offset[0][1] + s->sprite_delta[1][0]*s->mb_x*16 + s->sprite_delta[1][1]*s->mb_y*16;
+
+    s->dsp.gmc(dest_y, ptr, linesize, 16,
+           ox, 
+           oy, 
+           s->sprite_delta[0][0], s->sprite_delta[0][1],
+           s->sprite_delta[1][0], s->sprite_delta[1][1], 
+           a+1, (1<<(2*a+1)) - s->no_rounding,
+           s->h_edge_pos, s->v_edge_pos);
+    s->dsp.gmc(dest_y+8, ptr, linesize, 16,
+           ox + s->sprite_delta[0][0]*8, 
+           oy + s->sprite_delta[1][0]*8, 
+           s->sprite_delta[0][0], s->sprite_delta[0][1],
+           s->sprite_delta[1][0], s->sprite_delta[1][1], 
+           a+1, (1<<(2*a+1)) - s->no_rounding,
+           s->h_edge_pos, s->v_edge_pos);
+
+    if(s->flags&CODEC_FLAG_GRAY) return;
+
+
+    dest_cb+=dest_offset>>1;
+    dest_cr+=dest_offset>>1;
+    
+    ox= s->sprite_offset[1][0] + s->sprite_delta[0][0]*s->mb_x*8 + s->sprite_delta[0][1]*s->mb_y*8;
+    oy= s->sprite_offset[1][1] + s->sprite_delta[1][0]*s->mb_x*8 + s->sprite_delta[1][1]*s->mb_y*8;
+
+    ptr = ref_picture[1] + (src_offset>>1);
+    s->dsp.gmc(dest_cb, ptr, uvlinesize, 8,
+           ox, 
+           oy, 
+           s->sprite_delta[0][0], s->sprite_delta[0][1],
+           s->sprite_delta[1][0], s->sprite_delta[1][1], 
+           a+1, (1<<(2*a+1)) - s->no_rounding,
+           s->h_edge_pos>>1, s->v_edge_pos>>1);
+    
+    ptr = ref_picture[2] + (src_offset>>1);
+    s->dsp.gmc(dest_cr, ptr, uvlinesize, 8,
+           ox, 
+           oy, 
+           s->sprite_delta[0][0], s->sprite_delta[0][1],
+           s->sprite_delta[1][0], s->sprite_delta[1][1], 
+           a+1, (1<<(2*a+1)) - s->no_rounding,
+           s->h_edge_pos>>1, s->v_edge_pos>>1);
+}
+
+/**
+ * Copies a rectangular area of samples to a temporary buffer and replicates the boarder samples.
+ * @param buf destination buffer
+ * @param src source buffer
+ * @param linesize number of bytes between 2 vertically adjacent samples in both the source and destination buffers
+ * @param block_w width of block
+ * @param block_h height of block
+ * @param src_x x coordinate of the top left sample of the block in the source buffer
+ * @param src_y y coordinate of the top left sample of the block in the source buffer
+ * @param w width of the source buffer
+ * @param h height of the source buffer
+ */
+void ff_emulated_edge_mc(uint8_t *buf, uint8_t *src, int linesize, int block_w, int block_h, 
+                                    int src_x, int src_y, int w, int h){
+    int x, y;
+    int start_y, start_x, end_y, end_x;
+
+    if(src_y>= h){
+        src+= (h-1-src_y)*linesize;
+        src_y=h-1;
+    }else if(src_y<=-block_h){
+        src+= (1-block_h-src_y)*linesize;
+        src_y=1-block_h;
+    }
+    if(src_x>= w){
+        src+= (w-1-src_x);
+        src_x=w-1;
+    }else if(src_x<=-block_w){
+        src+= (1-block_w-src_x);
+        src_x=1-block_w;
+    }
+
+    start_y= FFMAX(0, -src_y);
+    start_x= FFMAX(0, -src_x);
+    end_y= FFMIN(block_h, h-src_y);
+    end_x= FFMIN(block_w, w-src_x);
+
+    // copy existing part
+    for(y=start_y; y<end_y; y++){
+        for(x=start_x; x<end_x; x++){
+            buf[x + y*linesize]= src[x + y*linesize];
+        }
+    }
+
+    //top
+    for(y=0; y<start_y; y++){
+        for(x=start_x; x<end_x; x++){
+            buf[x + y*linesize]= buf[x + start_y*linesize];
+        }
+    }
+
+    //bottom
+    for(y=end_y; y<block_h; y++){
+        for(x=start_x; x<end_x; x++){
+            buf[x + y*linesize]= buf[x + (end_y-1)*linesize];
+        }
+    }
+                                    
+    for(y=0; y<block_h; y++){
+       //left
+        for(x=0; x<start_x; x++){
+            buf[x + y*linesize]= buf[start_x + y*linesize];
+        }
+       
+       //right
+        for(x=end_x; x<block_w; x++){
+            buf[x + y*linesize]= buf[end_x - 1 + y*linesize];
+        }
+    }
+}
+
+
+/* apply one mpeg motion vector to the three components */
+static inline void mpeg_motion(MpegEncContext *s,
+                               uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+                               int dest_offset,
+                               uint8_t **ref_picture, int src_offset,
+                               int field_based, op_pixels_func (*pix_op)[4],
+                               int motion_x, int motion_y, int h)
+{
+    uint8_t *ptr;
+    int dxy, offset, mx, my, src_x, src_y, height, v_edge_pos, linesize, uvlinesize;
+    int emu=0;
+#if 0    
+if(s->quarter_sample)
+{
+    motion_x>>=1;
+    motion_y>>=1;
+}
+#endif
+    dxy = ((motion_y & 1) << 1) | (motion_x & 1);
+    src_x = s->mb_x * 16 + (motion_x >> 1);
+    src_y = s->mb_y * (16 >> field_based) + (motion_y >> 1);
+                
+    /* WARNING: do no forget half pels */
+    height = s->height >> field_based;
+    v_edge_pos = s->v_edge_pos >> field_based;
+    src_x = clip(src_x, -16, s->width);
+    if (src_x == s->width)
+        dxy &= ~1;
+    src_y = clip(src_y, -16, height);
+    if (src_y == height)
+        dxy &= ~2;
+    linesize   = s->current_picture.linesize[0] << field_based;
+    uvlinesize = s->current_picture.linesize[1] << field_based;
+    ptr = ref_picture[0] + (src_y * linesize) + (src_x) + src_offset;
+    dest_y += dest_offset;
+
+    if(s->flags&CODEC_FLAG_EMU_EDGE){
+        if(src_x<0 || src_y<0 || src_x + (motion_x&1) + 16 > s->h_edge_pos
+                              || src_y + (motion_y&1) + h  > v_edge_pos){
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr - src_offset, s->linesize, 17, 17+field_based,  //FIXME linesize? and uv below
+                             src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
+            ptr= s->edge_emu_buffer + src_offset;
+            emu=1;
+        }
+    }
+    pix_op[0][dxy](dest_y, ptr, linesize, h);
+
+    if(s->flags&CODEC_FLAG_GRAY) return;
+
+    if (s->out_format == FMT_H263) {
+        dxy = 0;
+        if ((motion_x & 3) != 0)
+            dxy |= 1;
+        if ((motion_y & 3) != 0)
+            dxy |= 2;
+        mx = motion_x >> 2;
+        my = motion_y >> 2;
+    } else {
+        mx = motion_x / 2;
+        my = motion_y / 2;
+        dxy = ((my & 1) << 1) | (mx & 1);
+        mx >>= 1;
+        my >>= 1;
+    }
+    
+    src_x = s->mb_x * 8 + mx;
+    src_y = s->mb_y * (8 >> field_based) + my;
+    src_x = clip(src_x, -8, s->width >> 1);
+    if (src_x == (s->width >> 1))
+        dxy &= ~1;
+    src_y = clip(src_y, -8, height >> 1);
+    if (src_y == (height >> 1))
+        dxy &= ~2;
+    offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
+    ptr = ref_picture[1] + offset;
+    if(emu){
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based, 
+                         src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
+        ptr= s->edge_emu_buffer + (src_offset >> 1);
+    }
+    pix_op[1][dxy](dest_cb + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
+
+    ptr = ref_picture[2] + offset;
+    if(emu){
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9+field_based, 
+                         src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
+        ptr= s->edge_emu_buffer + (src_offset >> 1);
+    }
+    pix_op[1][dxy](dest_cr + (dest_offset >> 1), ptr, uvlinesize, h >> 1);
+}
+
+static inline void qpel_motion(MpegEncContext *s,
+                               uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+                               int dest_offset,
+                               uint8_t **ref_picture, int src_offset,
+                               int field_based, op_pixels_func (*pix_op)[4],
+                               qpel_mc_func (*qpix_op)[16],
+                               int motion_x, int motion_y, int h)
+{
+    uint8_t *ptr;
+    int dxy, offset, mx, my, src_x, src_y, height, v_edge_pos, linesize, uvlinesize;
+    int emu=0;
+
+    dxy = ((motion_y & 3) << 2) | (motion_x & 3);
+    src_x = s->mb_x * 16 + (motion_x >> 2);
+    src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2);
+
+    height = s->height >> field_based;
+    v_edge_pos = s->v_edge_pos >> field_based;
+    src_x = clip(src_x, -16, s->width);
+    if (src_x == s->width)
+        dxy &= ~3;
+    src_y = clip(src_y, -16, height);
+    if (src_y == height)
+        dxy &= ~12;
+    linesize = s->linesize << field_based;
+    uvlinesize = s->uvlinesize << field_based;
+    ptr = ref_picture[0] + (src_y * linesize) + src_x + src_offset;
+    dest_y += dest_offset;
+//printf("%d %d %d\n", src_x, src_y, dxy);
+    
+    if(s->flags&CODEC_FLAG_EMU_EDGE){
+        if(src_x<0 || src_y<0 || src_x + (motion_x&3) + 16 > s->h_edge_pos
+                              || src_y + (motion_y&3) + h  > v_edge_pos){
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr - src_offset, s->linesize, 17, 17+field_based, 
+                             src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos);
+            ptr= s->edge_emu_buffer + src_offset;
+            emu=1;
+        }
+    }
+    if(!field_based)
+        qpix_op[0][dxy](dest_y, ptr, linesize);
+    else{
+        //damn interlaced mode
+        //FIXME boundary mirroring is not exactly correct here
+        qpix_op[1][dxy](dest_y  , ptr  , linesize);
+        qpix_op[1][dxy](dest_y+8, ptr+8, linesize);
+    }
+
+    if(s->flags&CODEC_FLAG_GRAY) return;
+
+    if(field_based){
+        mx= motion_x/2;
+        my= motion_y>>1;
+    }else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA2){
+        static const int rtab[8]= {0,0,1,1,0,0,0,1};
+        mx= (motion_x>>1) + rtab[motion_x&7];
+        my= (motion_y>>1) + rtab[motion_y&7];
+    }else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA){
+        mx= (motion_x>>1)|(motion_x&1);
+        my= (motion_y>>1)|(motion_y&1);
+    }else{
+        mx= motion_x/2;
+        my= motion_y/2;
+    }
+    mx= (mx>>1)|(mx&1);
+    my= (my>>1)|(my&1);
+
+    dxy= (mx&1) | ((my&1)<<1);
+    mx>>=1;
+    my>>=1;
+
+    src_x = s->mb_x * 8 + mx;
+    src_y = s->mb_y * (8 >> field_based) + my;
+    src_x = clip(src_x, -8, s->width >> 1);
+    if (src_x == (s->width >> 1))
+        dxy &= ~1;
+    src_y = clip(src_y, -8, height >> 1);
+    if (src_y == (height >> 1))
+        dxy &= ~2;
+
+    offset = (src_y * uvlinesize) + src_x + (src_offset >> 1);
+    ptr = ref_picture[1] + offset;
+    if(emu){
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based, 
+                         src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
+        ptr= s->edge_emu_buffer + (src_offset >> 1);
+    }
+    pix_op[1][dxy](dest_cb + (dest_offset >> 1), ptr,  uvlinesize, h >> 1);
+    
+    ptr = ref_picture[2] + offset;
+    if(emu){
+        ff_emulated_edge_mc(s->edge_emu_buffer, ptr - (src_offset >> 1), s->uvlinesize, 9, 9 + field_based, 
+                         src_x, src_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1);
+        ptr= s->edge_emu_buffer + (src_offset >> 1);
+    }
+    pix_op[1][dxy](dest_cr + (dest_offset >> 1), ptr,  uvlinesize, h >> 1);
+}
+
+inline int ff_h263_round_chroma(int x){
+    if (x >= 0)
+        return  (h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
+    else {
+        x = -x;
+        return -(h263_chroma_roundtab[x & 0xf] + ((x >> 3) & ~1));
+    }
+}
+
+/**
+ * motion compesation of a single macroblock
+ * @param s context
+ * @param dest_y luma destination pointer
+ * @param dest_cb chroma cb/u destination pointer
+ * @param dest_cr chroma cr/v destination pointer
+ * @param dir direction (0->forward, 1->backward)
+ * @param ref_picture array[3] of pointers to the 3 planes of the reference picture
+ * @param pic_op halfpel motion compensation function (average or put normally)
+ * @param pic_op qpel motion compensation function (average or put normally)
+ * the motion vectors are taken from s->mv and the MV type from s->mv_type
+ */
+static inline void MPV_motion(MpegEncContext *s, 
+                              uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
+                              int dir, uint8_t **ref_picture, 
+                              op_pixels_func (*pix_op)[4], qpel_mc_func (*qpix_op)[16])
+{
+    int dxy, offset, mx, my, src_x, src_y, motion_x, motion_y;
+    int mb_x, mb_y, i;
+    uint8_t *ptr, *dest;
+    int emu=0;
+
+    mb_x = s->mb_x;
+    mb_y = s->mb_y;
+
+    switch(s->mv_type) {
+    case MV_TYPE_16X16:
+#ifdef CONFIG_RISKY
+        if(s->mcsel){
+            if(s->real_sprite_warping_points==1){
+                gmc1_motion(s, dest_y, dest_cb, dest_cr, 0,
+                            ref_picture, 0);
+            }else{
+                gmc_motion(s, dest_y, dest_cb, dest_cr, 0,
+                            ref_picture, 0);
+            }
+        }else if(s->quarter_sample){
+            qpel_motion(s, dest_y, dest_cb, dest_cr, 0,
+                        ref_picture, 0,
+                        0, pix_op, qpix_op,
+                        s->mv[dir][0][0], s->mv[dir][0][1], 16);
+        }else if(s->mspel){
+            ff_mspel_motion(s, dest_y, dest_cb, dest_cr,
+                        ref_picture, pix_op,
+                        s->mv[dir][0][0], s->mv[dir][0][1], 16);
+        }else
+#endif
+        {
+            mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
+                        ref_picture, 0,
+                        0, pix_op,
+                        s->mv[dir][0][0], s->mv[dir][0][1], 16);
+        }           
+        break;
+    case MV_TYPE_8X8:
+        mx = 0;
+        my = 0;
+        if(s->quarter_sample){
+            for(i=0;i<4;i++) {
+                motion_x = s->mv[dir][i][0];
+                motion_y = s->mv[dir][i][1];
+
+                dxy = ((motion_y & 3) << 2) | (motion_x & 3);
+                src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8;
+                src_y = mb_y * 16 + (motion_y >> 2) + (i >>1) * 8;
+                    
+                /* WARNING: do no forget half pels */
+                src_x = clip(src_x, -16, s->width);
+                if (src_x == s->width)
+                    dxy &= ~3;
+                src_y = clip(src_y, -16, s->height);
+                if (src_y == s->height)
+                    dxy &= ~12;
+                    
+                ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
+                if(s->flags&CODEC_FLAG_EMU_EDGE){
+                    if(src_x<0 || src_y<0 || src_x + (motion_x&3) + 8 > s->h_edge_pos
+                                          || src_y + (motion_y&3) + 8 > s->v_edge_pos){
+                        ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+                        ptr= s->edge_emu_buffer;
+                    }
+                }
+                dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
+                qpix_op[1][dxy](dest, ptr, s->linesize);
+
+                mx += s->mv[dir][i][0]/2;
+                my += s->mv[dir][i][1]/2;
+            }
+        }else{
+            for(i=0;i<4;i++) {
+                motion_x = s->mv[dir][i][0];
+                motion_y = s->mv[dir][i][1];
+
+                dxy = ((motion_y & 1) << 1) | (motion_x & 1);
+                src_x = mb_x * 16 + (motion_x >> 1) + (i & 1) * 8;
+                src_y = mb_y * 16 + (motion_y >> 1) + (i >>1) * 8;
+                    
+                /* WARNING: do no forget half pels */
+                src_x = clip(src_x, -16, s->width);
+                if (src_x == s->width)
+                    dxy &= ~1;
+                src_y = clip(src_y, -16, s->height);
+                if (src_y == s->height)
+                    dxy &= ~2;
+                    
+                ptr = ref_picture[0] + (src_y * s->linesize) + (src_x);
+                if(s->flags&CODEC_FLAG_EMU_EDGE){
+                    if(src_x<0 || src_y<0 || src_x + (motion_x&1) + 8 > s->h_edge_pos
+                                          || src_y + (motion_y&1) + 8 > s->v_edge_pos){
+                        ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos);
+                        ptr= s->edge_emu_buffer;
+                    }
+                }
+                dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize;
+                pix_op[1][dxy](dest, ptr, s->linesize, 8);
+
+                mx += s->mv[dir][i][0];
+                my += s->mv[dir][i][1];
+            }
+        }
+
+        if(s->flags&CODEC_FLAG_GRAY) break;
+        /* In case of 8X8, we construct a single chroma motion vector
+           with a special rounding */
+        mx= ff_h263_round_chroma(mx);
+        my= ff_h263_round_chroma(my);
+        dxy = ((my & 1) << 1) | (mx & 1);
+        mx >>= 1;
+        my >>= 1;
+
+        src_x = mb_x * 8 + mx;
+        src_y = mb_y * 8 + my;
+        src_x = clip(src_x, -8, s->width/2);
+        if (src_x == s->width/2)
+            dxy &= ~1;
+        src_y = clip(src_y, -8, s->height/2);
+        if (src_y == s->height/2)
+            dxy &= ~2;
+        
+        offset = (src_y * (s->uvlinesize)) + src_x;
+        ptr = ref_picture[1] + offset;
+        if(s->flags&CODEC_FLAG_EMU_EDGE){
+                if(src_x<0 || src_y<0 || src_x + (dxy &1) + 8 > s->h_edge_pos>>1
+                                      || src_y + (dxy>>1) + 8 > s->v_edge_pos>>1){
+                    ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+                    ptr= s->edge_emu_buffer;
+                    emu=1;
+                }
+            }
+        pix_op[1][dxy](dest_cb, ptr, s->uvlinesize, 8);
+
+        ptr = ref_picture[2] + offset;
+        if(emu){
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1);
+            ptr= s->edge_emu_buffer;
+        }
+        pix_op[1][dxy](dest_cr, ptr, s->uvlinesize, 8);
+        break;
+    case MV_TYPE_FIELD:
+        if (s->picture_structure == PICT_FRAME) {
+            if(s->quarter_sample){
+                /* top field */
+                qpel_motion(s, dest_y, dest_cb, dest_cr, 0,
+                            ref_picture, s->field_select[dir][0] ? s->linesize : 0,
+                            1, pix_op, qpix_op,
+                            s->mv[dir][0][0], s->mv[dir][0][1], 8);
+                /* bottom field */
+                qpel_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
+                            ref_picture, s->field_select[dir][1] ? s->linesize : 0,
+                            1, pix_op, qpix_op,
+                            s->mv[dir][1][0], s->mv[dir][1][1], 8);
+            }else{
+                /* top field */       
+                mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
+                            ref_picture, s->field_select[dir][0] ? s->linesize : 0,
+                            1, pix_op,
+                            s->mv[dir][0][0], s->mv[dir][0][1], 8);
+                /* bottom field */
+                mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
+                            ref_picture, s->field_select[dir][1] ? s->linesize : 0,
+                            1, pix_op,
+                            s->mv[dir][1][0], s->mv[dir][1][1], 8);
+            }
+        } else {
+            int offset;
+            if(s->picture_structure == s->field_select[dir][0] + 1 || s->pict_type == B_TYPE || s->first_field){
+                offset= s->field_select[dir][0] ? s->linesize : 0;
+            }else{
+                ref_picture= s->current_picture.data;
+                offset= s->field_select[dir][0] ? s->linesize : -s->linesize; 
+            } 
+
+            mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
+                        ref_picture, offset,
+                        0, pix_op,
+                        s->mv[dir][0][0], s->mv[dir][0][1], 16);
+        }
+        break;
+    case MV_TYPE_16X8:{
+        int offset;
+         uint8_t ** ref2picture;
+
+            if(s->picture_structure == s->field_select[dir][0] + 1 || s->pict_type == B_TYPE || s->first_field){
+                ref2picture= ref_picture;
+                offset= s->field_select[dir][0] ? s->linesize : 0;
+            }else{
+                ref2picture= s->current_picture.data;
+                offset= s->field_select[dir][0] ? s->linesize : -s->linesize; 
+            } 
+
+            mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
+                        ref2picture, offset,
+                        0, pix_op,
+                        s->mv[dir][0][0], s->mv[dir][0][1], 8);
+
+
+            if(s->picture_structure == s->field_select[dir][1] + 1 || s->pict_type == B_TYPE || s->first_field){
+                ref2picture= ref_picture;
+                offset= s->field_select[dir][1] ? s->linesize : 0;
+            }else{
+                ref2picture= s->current_picture.data;
+                offset= s->field_select[dir][1] ? s->linesize : -s->linesize; 
+            } 
+            // I know it is ugly but this is the only way to fool emu_edge without rewrite mpeg_motion
+            mpeg_motion(s, dest_y+16*s->linesize, dest_cb+8*s->uvlinesize, dest_cr+8*s->uvlinesize,
+                        0,
+                        ref2picture, offset,
+                        0, pix_op,
+                        s->mv[dir][1][0], s->mv[dir][1][1]+16, 8);
+        }
+        
+        break;
+    case MV_TYPE_DMV:
+    {
+    op_pixels_func (*dmv_pix_op)[4];
+    int offset;
+
+        dmv_pix_op = s->dsp.put_pixels_tab;
+
+        if(s->picture_structure == PICT_FRAME){
+            //put top field from top field
+            mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
+                        ref_picture, 0,
+                        1, dmv_pix_op,
+                        s->mv[dir][0][0], s->mv[dir][0][1], 8);
+            //put bottom field from bottom field
+            mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
+                        ref_picture, s->linesize,
+                        1, dmv_pix_op,
+                        s->mv[dir][0][0], s->mv[dir][0][1], 8);
+
+            dmv_pix_op = s->dsp.avg_pixels_tab; 
+        
+            //avg top field from bottom field
+            mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
+                        ref_picture, s->linesize,
+                        1, dmv_pix_op,
+                        s->mv[dir][2][0], s->mv[dir][2][1], 8);
+            //avg bottom field from top field
+            mpeg_motion(s, dest_y, dest_cb, dest_cr, s->linesize,
+                        ref_picture, 0,
+                        1, dmv_pix_op,
+                        s->mv[dir][3][0], s->mv[dir][3][1], 8);
+
+        }else{
+            offset=(s->picture_structure == PICT_BOTTOM_FIELD)? 
+                         s->linesize : 0;
+
+            //put field from the same parity
+            //same parity is never in the same frame
+            mpeg_motion(s, dest_y, dest_cb, dest_cr, 0,
+                        ref_picture,offset,
+                        0,dmv_pix_op,
+                        s->mv[dir][0][0],s->mv[dir][0][1],16);
+
+            // after put we make avg of the same block
+            dmv_pix_op=s->dsp.avg_pixels_tab; 
+
+            //opposite parity is always in the same frame if this is second field
+            if(!s->first_field){
+                ref_picture = s->current_picture.data;    
+                //top field is one linesize from frame beginig
+                offset=(s->picture_structure == PICT_BOTTOM_FIELD)? 
+                        -s->linesize : s->linesize;
+            }else 
+                offset=(s->picture_structure == PICT_BOTTOM_FIELD)? 
+                        0 : s->linesize;
+
+            //avg field from the opposite parity
+            mpeg_motion(s, dest_y, dest_cb, dest_cr,0,
+                        ref_picture, offset,
+                        0,dmv_pix_op,
+                        s->mv[dir][2][0],s->mv[dir][2][1],16);
+        }
+    }
+    break;
+
+    }
+}
+
+
+/* put block[] to dest[] */
+static inline void put_dct(MpegEncContext *s, 
+                           DCTELEM *block, int i, uint8_t *dest, int line_size)
+{
+    s->dct_unquantize(s, block, i, s->qscale);
+    s->dsp.idct_put (dest, line_size, block);
+}
+
+/* add block[] to dest[] */
+static inline void add_dct(MpegEncContext *s, 
+                           DCTELEM *block, int i, uint8_t *dest, int line_size)
+{
+    if (s->block_last_index[i] >= 0) {
+        s->dsp.idct_add (dest, line_size, block);
+    }
+}
+
+static inline void add_dequant_dct(MpegEncContext *s, 
+                           DCTELEM *block, int i, uint8_t *dest, int line_size)
+{
+    if (s->block_last_index[i] >= 0) {
+        s->dct_unquantize(s, block, i, s->qscale);
+
+        s->dsp.idct_add (dest, line_size, block);
+    }
+}
+
+/**
+ * cleans dc, ac, coded_block for the current non intra MB
+ */
+void ff_clean_intra_table_entries(MpegEncContext *s)
+{
+    int wrap = s->block_wrap[0];
+    int xy = s->block_index[0];
+    
+    s->dc_val[0][xy           ] = 
+    s->dc_val[0][xy + 1       ] = 
+    s->dc_val[0][xy     + wrap] =
+    s->dc_val[0][xy + 1 + wrap] = 1024;
+    /* ac pred */
+    memset(s->ac_val[0][xy       ], 0, 32 * sizeof(int16_t));
+    memset(s->ac_val[0][xy + wrap], 0, 32 * sizeof(int16_t));
+    if (s->msmpeg4_version>=3) {
+        s->coded_block[xy           ] =
+        s->coded_block[xy + 1       ] =
+        s->coded_block[xy     + wrap] =
+        s->coded_block[xy + 1 + wrap] = 0;
+    }
+    /* chroma */
+    wrap = s->block_wrap[4];
+    xy = s->mb_x + 1 + (s->mb_y + 1) * wrap;
+    s->dc_val[1][xy] =
+    s->dc_val[2][xy] = 1024;
+    /* ac pred */
+    memset(s->ac_val[1][xy], 0, 16 * sizeof(int16_t));
+    memset(s->ac_val[2][xy], 0, 16 * sizeof(int16_t));
+    
+    s->mbintra_table[s->mb_x + s->mb_y*s->mb_stride]= 0;
+}
+
+/* generic function called after a macroblock has been parsed by the
+   decoder or after it has been encoded by the encoder.
+
+   Important variables used:
+   s->mb_intra : true if intra macroblock
+   s->mv_dir   : motion vector direction
+   s->mv_type  : motion vector type
+   s->mv       : motion vector
+   s->interlaced_dct : true if interlaced dct used (mpeg2)
+ */
+void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
+{
+    int mb_x, mb_y;
+    const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
+#ifdef HAVE_XVMC
+    if(s->avctx->xvmc_acceleration){
+        XVMC_decode_mb(s,block);
+        return;
+    }
+#endif
+
+    mb_x = s->mb_x;
+    mb_y = s->mb_y;
+
+    s->current_picture.qscale_table[mb_xy]= s->qscale;
+
+    /* update DC predictors for P macroblocks */
+    if (!s->mb_intra) {
+        if (s->h263_pred || s->h263_aic) {
+            if(s->mbintra_table[mb_xy])
+                ff_clean_intra_table_entries(s);
+        } else {
+            s->last_dc[0] =
+            s->last_dc[1] =
+            s->last_dc[2] = 128 << s->intra_dc_precision;
+        }
+    }
+    else if (s->h263_pred || s->h263_aic)
+        s->mbintra_table[mb_xy]=1;
+
+    if ((s->flags&CODEC_FLAG_PSNR) || !(s->encoding && (s->intra_only || s->pict_type==B_TYPE))) { //FIXME precalc
+        uint8_t *dest_y, *dest_cb, *dest_cr;
+        int dct_linesize, dct_offset;
+        op_pixels_func (*op_pix)[4];
+        qpel_mc_func (*op_qpix)[16];
+        const int linesize= s->current_picture.linesize[0]; //not s->linesize as this woulnd be wrong for field pics
+        const int uvlinesize= s->current_picture.linesize[1];
+
+        /* avoid copy if macroblock skipped in last frame too */
+        /* skip only during decoding as we might trash the buffers during encoding a bit */
+        if(!s->encoding){
+            uint8_t *mbskip_ptr = &s->mbskip_table[mb_xy];
+            const int age= s->current_picture.age;
+
+            assert(age);
+
+            if (s->mb_skiped) {
+                s->mb_skiped= 0;
+                assert(s->pict_type!=I_TYPE);
+                (*mbskip_ptr) ++; /* indicate that this time we skiped it */
+                if(*mbskip_ptr >99) *mbskip_ptr= 99;
+
+                /* if previous was skipped too, then nothing to do !  */
+                if (*mbskip_ptr >= age && s->current_picture.reference){
+                    return;
+                }
+            } else if(!s->current_picture.reference){
+                (*mbskip_ptr) ++; /* increase counter so the age can be compared cleanly */
+                if(*mbskip_ptr >99) *mbskip_ptr= 99;
+            } else{
+                *mbskip_ptr = 0; /* not skipped */
+            }
+        }
+
+        if (s->interlaced_dct) {
+            dct_linesize = linesize * 2;
+            dct_offset = linesize;
+        } else {
+            dct_linesize = linesize;
+            dct_offset = linesize * 8;
+        }
+        
+        dest_y=  s->dest[0];
+        dest_cb= s->dest[1];
+        dest_cr= s->dest[2];
+
+        if (!s->mb_intra) {
+            /* motion handling */
+            /* decoding or more than one mb_type (MC was allready done otherwise) */
+            if(!s->encoding){
+                if ((!s->no_rounding) || s->pict_type==B_TYPE){                
+                   op_pix = s->dsp.put_pixels_tab;
+                    op_qpix= s->dsp.put_qpel_pixels_tab;
+                }else{
+                    op_pix = s->dsp.put_no_rnd_pixels_tab;
+                    op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
+                }
+
+                if (s->mv_dir & MV_DIR_FORWARD) {
+                    MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
+                   op_pix = s->dsp.avg_pixels_tab;
+                    op_qpix= s->dsp.avg_qpel_pixels_tab;
+                }
+                if (s->mv_dir & MV_DIR_BACKWARD) {
+                    MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
+                }
+            }
+
+            /* skip dequant / idct if we are really late ;) */
+            if(s->hurry_up>1) return;
+
+            /* add dct residue */
+            if(s->encoding || !(   s->h263_msmpeg4 || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO
+                                || (s->codec_id==CODEC_ID_MPEG4 && !s->mpeg_quant))){
+                add_dequant_dct(s, block[0], 0, dest_y, dct_linesize);
+                add_dequant_dct(s, block[1], 1, dest_y + 8, dct_linesize);
+                add_dequant_dct(s, block[2], 2, dest_y + dct_offset, dct_linesize);
+                add_dequant_dct(s, block[3], 3, dest_y + dct_offset + 8, dct_linesize);
+
+                if(!(s->flags&CODEC_FLAG_GRAY)){
+                    add_dequant_dct(s, block[4], 4, dest_cb, uvlinesize);
+                    add_dequant_dct(s, block[5], 5, dest_cr, uvlinesize);
+                }
+            } else if(s->codec_id != CODEC_ID_WMV2){
+                add_dct(s, block[0], 0, dest_y, dct_linesize);
+                add_dct(s, block[1], 1, dest_y + 8, dct_linesize);
+                add_dct(s, block[2], 2, dest_y + dct_offset, dct_linesize);
+                add_dct(s, block[3], 3, dest_y + dct_offset + 8, dct_linesize);
+
+                if(!(s->flags&CODEC_FLAG_GRAY)){
+                    add_dct(s, block[4], 4, dest_cb, uvlinesize);
+                    add_dct(s, block[5], 5, dest_cr, uvlinesize);
+                }
+            } 
+#ifdef CONFIG_RISKY
+            else{
+                ff_wmv2_add_mb(s, block, dest_y, dest_cb, dest_cr);
+            }
+#endif
+        } else {
+            /* dct only in intra block */
+            if(s->encoding || !(s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO)){
+                put_dct(s, block[0], 0, dest_y, dct_linesize);
+                put_dct(s, block[1], 1, dest_y + 8, dct_linesize);
+                put_dct(s, block[2], 2, dest_y + dct_offset, dct_linesize);
+                put_dct(s, block[3], 3, dest_y + dct_offset + 8, dct_linesize);
+
+                if(!(s->flags&CODEC_FLAG_GRAY)){
+                    put_dct(s, block[4], 4, dest_cb, uvlinesize);
+                    put_dct(s, block[5], 5, dest_cr, uvlinesize);
+                }
+            }else{
+                s->dsp.idct_put(dest_y                 , dct_linesize, block[0]);
+                s->dsp.idct_put(dest_y              + 8, dct_linesize, block[1]);
+                s->dsp.idct_put(dest_y + dct_offset    , dct_linesize, block[2]);
+                s->dsp.idct_put(dest_y + dct_offset + 8, dct_linesize, block[3]);
+
+                if(!(s->flags&CODEC_FLAG_GRAY)){
+                    s->dsp.idct_put(dest_cb, uvlinesize, block[4]);
+                    s->dsp.idct_put(dest_cr, uvlinesize, block[5]);
+                }
+            }
+        }
+    }
+}
+
+#ifdef CONFIG_ENCODERS
+
+static inline void dct_single_coeff_elimination(MpegEncContext *s, int n, int threshold)
+{
+    static const char tab[64]=
+        {3,2,2,1,1,1,1,1,
+         1,1,1,1,1,1,1,1,
+         1,1,1,1,1,1,1,1,
+         0,0,0,0,0,0,0,0,
+         0,0,0,0,0,0,0,0,
+         0,0,0,0,0,0,0,0,
+         0,0,0,0,0,0,0,0,
+         0,0,0,0,0,0,0,0};
+    int score=0;
+    int run=0;
+    int i;
+    DCTELEM *block= s->block[n];
+    const int last_index= s->block_last_index[n];
+    int skip_dc;
+
+    if(threshold<0){
+        skip_dc=0;
+        threshold= -threshold;
+    }else
+        skip_dc=1;
+
+    /* are all which we could set to zero are allready zero? */
+    if(last_index<=skip_dc - 1) return;
+
+    for(i=0; i<=last_index; i++){
+        const int j = s->intra_scantable.permutated[i];
+        const int level = ABS(block[j]);
+        if(level==1){
+            if(skip_dc && i==0) continue;
+            score+= tab[run];
+            run=0;
+        }else if(level>1){
+            return;
+        }else{
+            run++;
+        }
+    }
+    if(score >= threshold) return;
+    for(i=skip_dc; i<=last_index; i++){
+        const int j = s->intra_scantable.permutated[i];
+        block[j]=0;
+    }
+    if(block[0]) s->block_last_index[n]= 0;
+    else         s->block_last_index[n]= -1;
+}
+
+static inline void clip_coeffs(MpegEncContext *s, DCTELEM *block, int last_index)
+{
+    int i;
+    const int maxlevel= s->max_qcoeff;
+    const int minlevel= s->min_qcoeff;
+    
+    if(s->mb_intra){
+        i=1; //skip clipping of intra dc
+    }else
+        i=0;
+    
+    for(;i<=last_index; i++){
+        const int j= s->intra_scantable.permutated[i];
+        int level = block[j];
+       
+        if     (level>maxlevel) level=maxlevel;
+        else if(level<minlevel) level=minlevel;
+
+        block[j]= level;
+    }
+}
+
+#if 0
+static int pix_vcmp16x8(uint8_t *s, int stride){ //FIXME move to dsputil & optimize
+    int score=0;
+    int x,y;
+    
+    for(y=0; y<7; y++){
+        for(x=0; x<16; x+=4){
+            score+= ABS(s[x  ] - s[x  +stride]) + ABS(s[x+1] - s[x+1+stride]) 
+                   +ABS(s[x+2] - s[x+2+stride]) + ABS(s[x+3] - s[x+3+stride]);
+        }
+        s+= stride;
+    }
+    
+    return score;
+}
+
+static int pix_diff_vcmp16x8(uint8_t *s1, uint8_t*s2, int stride){ //FIXME move to dsputil & optimize
+    int score=0;
+    int x,y;
+    
+    for(y=0; y<7; y++){
+        for(x=0; x<16; x++){
+            score+= ABS(s1[x  ] - s2[x ] - s1[x  +stride] + s2[x +stride]);
+        }
+        s1+= stride;
+        s2+= stride;
+    }
+    
+    return score;
+}
+#else
+#define SQ(a) ((a)*(a))
+
+static int pix_vcmp16x8(uint8_t *s, int stride){ //FIXME move to dsputil & optimize
+    int score=0;
+    int x,y;
+    
+    for(y=0; y<7; y++){
+        for(x=0; x<16; x+=4){
+            score+= SQ(s[x  ] - s[x  +stride]) + SQ(s[x+1] - s[x+1+stride]) 
+                   +SQ(s[x+2] - s[x+2+stride]) + SQ(s[x+3] - s[x+3+stride]);
+        }
+        s+= stride;
+    }
+    
+    return score;
+}
+
+static int pix_diff_vcmp16x8(uint8_t *s1, uint8_t*s2, int stride){ //FIXME move to dsputil & optimize
+    int score=0;
+    int x,y;
+    
+    for(y=0; y<7; y++){
+        for(x=0; x<16; x++){
+            score+= SQ(s1[x  ] - s2[x ] - s1[x  +stride] + s2[x +stride]);
+        }
+        s1+= stride;
+        s2+= stride;
+    }
+    
+    return score;
+}
+
+#endif
+
+#endif //CONFIG_ENCODERS
+
+/**
+ *
+ * @param h is the normal height, this will be reduced automatically if needed for the last row
+ */
+void ff_draw_horiz_band(MpegEncContext *s, int y, int h){
+    if (s->avctx->draw_horiz_band) {
+        AVFrame *src;
+        int offset[4];
+        
+        if(s->picture_structure != PICT_FRAME){
+            h <<= 1;
+            y <<= 1;
+            if(s->first_field  && !(s->avctx->slice_flags&SLICE_FLAG_ALLOW_FIELD)) return;
+        }
+
+        h= FFMIN(h, s->height - y);
+
+        if(s->pict_type==B_TYPE || s->low_delay || (s->avctx->slice_flags&SLICE_FLAG_CODED_ORDER)) 
+            src= (AVFrame*)s->current_picture_ptr;
+        else if(s->last_picture_ptr)
+            src= (AVFrame*)s->last_picture_ptr;
+        else
+            return;
+            
+        if(s->pict_type==B_TYPE && s->picture_structure == PICT_FRAME && s->out_format != FMT_H264){
+            offset[0]=
+            offset[1]=
+            offset[2]=
+            offset[3]= 0;
+        }else{
+            offset[0]= y * s->linesize;;
+            offset[1]= 
+            offset[2]= (y>>1) * s->uvlinesize;;
+            offset[3]= 0;
+        }
+
+        emms_c();
+
+        s->avctx->draw_horiz_band(s->avctx, src, offset,
+                                  y, s->picture_structure, h);
+    }
+}
+
+void ff_init_block_index(MpegEncContext *s){ //FIXME maybe rename
+    const int linesize= s->current_picture.linesize[0]; //not s->linesize as this woulnd be wrong for field pics
+    const int uvlinesize= s->current_picture.linesize[1];
+        
+    s->block_index[0]= s->block_wrap[0]*(s->mb_y*2 + 1) - 1 + s->mb_x*2;
+    s->block_index[1]= s->block_wrap[0]*(s->mb_y*2 + 1)     + s->mb_x*2;
+    s->block_index[2]= s->block_wrap[0]*(s->mb_y*2 + 2) - 1 + s->mb_x*2;
+    s->block_index[3]= s->block_wrap[0]*(s->mb_y*2 + 2)     + s->mb_x*2;
+    s->block_index[4]= s->block_wrap[4]*(s->mb_y + 1)                    + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
+    s->block_index[5]= s->block_wrap[4]*(s->mb_y + 1 + s->mb_height + 2) + s->block_wrap[0]*(s->mb_height*2 + 2) + s->mb_x;
+    
+    if(s->pict_type==B_TYPE && s->avctx->draw_horiz_band && s->picture_structure==PICT_FRAME){
+        s->dest[0] = s->current_picture.data[0] + s->mb_x * 16 - 16;
+        s->dest[1] = s->current_picture.data[1] + s->mb_x * 8 - 8;
+        s->dest[2] = s->current_picture.data[2] + s->mb_x * 8 - 8;
+    }else{
+        s->dest[0] = s->current_picture.data[0] + (s->mb_y * 16* linesize  ) + s->mb_x * 16 - 16;
+        s->dest[1] = s->current_picture.data[1] + (s->mb_y * 8 * uvlinesize) + s->mb_x * 8 - 8;
+        s->dest[2] = s->current_picture.data[2] + (s->mb_y * 8 * uvlinesize) + s->mb_x * 8 - 8;
+    }    
+}
+
+#ifdef CONFIG_ENCODERS
+
+static void encode_mb(MpegEncContext *s, int motion_x, int motion_y)
+{
+    const int mb_x= s->mb_x;
+    const int mb_y= s->mb_y;
+    int i;
+    int skip_dct[6];
+    int dct_offset   = s->linesize*8; //default for progressive frames
+    
+    for(i=0; i<6; i++) skip_dct[i]=0;
+    
+    if(s->adaptive_quant){
+        s->dquant= s->current_picture.qscale_table[mb_x + mb_y*s->mb_stride] - s->qscale;
+
+        if(s->out_format==FMT_H263){
+            if     (s->dquant> 2) s->dquant= 2;
+            else if(s->dquant<-2) s->dquant=-2;
+        }
+            
+        if(s->codec_id==CODEC_ID_MPEG4){        
+            if(!s->mb_intra){
+                if(s->mv_dir&MV_DIRECT)
+                    s->dquant=0;
+
+                assert(s->dquant==0 || s->mv_type!=MV_TYPE_8X8);
+            }
+        }
+        s->qscale+= s->dquant;
+        s->y_dc_scale= s->y_dc_scale_table[ s->qscale ];
+        s->c_dc_scale= s->c_dc_scale_table[ s->qscale ];
+    }
+
+    if (s->mb_intra) {
+        uint8_t *ptr;
+        int wrap_y;
+        int emu=0;
+
+        wrap_y = s->linesize;
+        ptr = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
+
+        if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
+            ptr= s->edge_emu_buffer;
+            emu=1;
+        }
+        
+        if(s->flags&CODEC_FLAG_INTERLACED_DCT){
+            int progressive_score, interlaced_score;
+            
+            progressive_score= pix_vcmp16x8(ptr, wrap_y  ) + pix_vcmp16x8(ptr + wrap_y*8, wrap_y );
+            interlaced_score = pix_vcmp16x8(ptr, wrap_y*2) + pix_vcmp16x8(ptr + wrap_y  , wrap_y*2);
+            
+            if(progressive_score > interlaced_score + 100){
+                s->interlaced_dct=1;
+            
+                dct_offset= wrap_y;
+                wrap_y<<=1;
+            }else
+                s->interlaced_dct=0;
+        }
+        
+       s->dsp.get_pixels(s->block[0], ptr                 , wrap_y);
+        s->dsp.get_pixels(s->block[1], ptr              + 8, wrap_y);
+        s->dsp.get_pixels(s->block[2], ptr + dct_offset    , wrap_y);
+        s->dsp.get_pixels(s->block[3], ptr + dct_offset + 8, wrap_y);
+
+        if(s->flags&CODEC_FLAG_GRAY){
+            skip_dct[4]= 1;
+            skip_dct[5]= 1;
+        }else{
+            int wrap_c = s->uvlinesize;
+            ptr = s->new_picture.data[1] + (mb_y * 8 * wrap_c) + mb_x * 8;
+            if(emu){
+                ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+                ptr= s->edge_emu_buffer;
+            }
+           s->dsp.get_pixels(s->block[4], ptr, wrap_c);
+
+            ptr = s->new_picture.data[2] + (mb_y * 8 * wrap_c) + mb_x * 8;
+            if(emu){
+                ff_emulated_edge_mc(s->edge_emu_buffer, ptr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+                ptr= s->edge_emu_buffer;
+            }
+            s->dsp.get_pixels(s->block[5], ptr, wrap_c);
+        }
+    }else{
+        op_pixels_func (*op_pix)[4];
+        qpel_mc_func (*op_qpix)[16];
+        uint8_t *dest_y, *dest_cb, *dest_cr;
+        uint8_t *ptr_y, *ptr_cb, *ptr_cr;
+        int wrap_y, wrap_c;
+        int emu=0;
+
+        dest_y  = s->dest[0];
+        dest_cb = s->dest[1];
+        dest_cr = s->dest[2];
+        wrap_y = s->linesize;
+        wrap_c = s->uvlinesize;
+        ptr_y  = s->new_picture.data[0] + (mb_y * 16 * wrap_y) + mb_x * 16;
+        ptr_cb = s->new_picture.data[1] + (mb_y * 8 * wrap_c) + mb_x * 8;
+        ptr_cr = s->new_picture.data[2] + (mb_y * 8 * wrap_c) + mb_x * 8;
+
+        if ((!s->no_rounding) || s->pict_type==B_TYPE){
+           op_pix = s->dsp.put_pixels_tab;
+            op_qpix= s->dsp.put_qpel_pixels_tab;
+        }else{
+            op_pix = s->dsp.put_no_rnd_pixels_tab;
+            op_qpix= s->dsp.put_no_rnd_qpel_pixels_tab;
+        }
+
+        if (s->mv_dir & MV_DIR_FORWARD) {
+            MPV_motion(s, dest_y, dest_cb, dest_cr, 0, s->last_picture.data, op_pix, op_qpix);
+            op_pix = s->dsp.avg_pixels_tab;
+            op_qpix= s->dsp.avg_qpel_pixels_tab;
+        }
+        if (s->mv_dir & MV_DIR_BACKWARD) {
+            MPV_motion(s, dest_y, dest_cb, dest_cr, 1, s->next_picture.data, op_pix, op_qpix);
+        }
+
+        if(mb_x*16+16 > s->width || mb_y*16+16 > s->height){
+            ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, wrap_y, 16, 16, mb_x*16, mb_y*16, s->width, s->height);
+            ptr_y= s->edge_emu_buffer;
+            emu=1;
+        }
+        
+        if(s->flags&CODEC_FLAG_INTERLACED_DCT){
+            int progressive_score, interlaced_score;
+            
+            progressive_score= pix_diff_vcmp16x8(ptr_y           , dest_y           , wrap_y  ) 
+                             + pix_diff_vcmp16x8(ptr_y + wrap_y*8, dest_y + wrap_y*8, wrap_y  );
+            interlaced_score = pix_diff_vcmp16x8(ptr_y           , dest_y           , wrap_y*2)
+                             + pix_diff_vcmp16x8(ptr_y + wrap_y  , dest_y + wrap_y  , wrap_y*2);
+            
+            if(progressive_score > interlaced_score + 600){
+                s->interlaced_dct=1;
+            
+                dct_offset= wrap_y;
+                wrap_y<<=1;
+            }else
+                s->interlaced_dct=0;
+        }
+        
+       s->dsp.diff_pixels(s->block[0], ptr_y                 , dest_y                 , wrap_y);
+        s->dsp.diff_pixels(s->block[1], ptr_y              + 8, dest_y              + 8, wrap_y);
+        s->dsp.diff_pixels(s->block[2], ptr_y + dct_offset    , dest_y + dct_offset    , wrap_y);
+        s->dsp.diff_pixels(s->block[3], ptr_y + dct_offset + 8, dest_y + dct_offset + 8, wrap_y);
+        
+        if(s->flags&CODEC_FLAG_GRAY){
+            skip_dct[4]= 1;
+            skip_dct[5]= 1;
+        }else{
+            if(emu){
+                ff_emulated_edge_mc(s->edge_emu_buffer, ptr_cb, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+                ptr_cb= s->edge_emu_buffer;
+            }
+            s->dsp.diff_pixels(s->block[4], ptr_cb, dest_cb, wrap_c);
+            if(emu){
+                ff_emulated_edge_mc(s->edge_emu_buffer, ptr_cr, wrap_c, 8, 8, mb_x*8, mb_y*8, s->width>>1, s->height>>1);
+                ptr_cr= s->edge_emu_buffer;
+            }
+            s->dsp.diff_pixels(s->block[5], ptr_cr, dest_cr, wrap_c);
+        }
+        /* pre quantization */         
+        if(s->current_picture.mc_mb_var[s->mb_stride*mb_y+ mb_x]<2*s->qscale*s->qscale){
+            //FIXME optimize
+           if(s->dsp.pix_abs8x8(ptr_y               , dest_y               , wrap_y) < 20*s->qscale) skip_dct[0]= 1;
+            if(s->dsp.pix_abs8x8(ptr_y            + 8, dest_y            + 8, wrap_y) < 20*s->qscale) skip_dct[1]= 1;
+            if(s->dsp.pix_abs8x8(ptr_y +dct_offset   , dest_y +dct_offset   , wrap_y) < 20*s->qscale) skip_dct[2]= 1;
+            if(s->dsp.pix_abs8x8(ptr_y +dct_offset+ 8, dest_y +dct_offset+ 8, wrap_y) < 20*s->qscale) skip_dct[3]= 1;
+            if(s->dsp.pix_abs8x8(ptr_cb              , dest_cb              , wrap_c) < 20*s->qscale) skip_dct[4]= 1;
+            if(s->dsp.pix_abs8x8(ptr_cr              , dest_cr              , wrap_c) < 20*s->qscale) skip_dct[5]= 1;
+#if 0
+{
+ static int stat[7];
+ int num=0;
+ for(i=0; i<6; i++)
+  if(skip_dct[i]) num++;
+ stat[num]++;
+ if(s->mb_x==0 && s->mb_y==0){
+  for(i=0; i<7; i++){
+   printf("%6d %1d\n", stat[i], i);
+  }
+ }
+}
+#endif
+        }
+
+    }
+            
+#if 0
+            {
+                float adap_parm;
+                
+                adap_parm = ((s->avg_mb_var << 1) + s->mb_var[s->mb_stride*mb_y+mb_x] + 1.0) /
+                            ((s->mb_var[s->mb_stride*mb_y+mb_x] << 1) + s->avg_mb_var + 1.0);
+            
+                printf("\ntype=%c qscale=%2d adap=%0.2f dquant=%4.2f var=%4d avgvar=%4d", 
+                        (s->mb_type[s->mb_stride*mb_y+mb_x] > 0) ? 'I' : 'P', 
+                        s->qscale, adap_parm, s->qscale*adap_parm,
+                        s->mb_var[s->mb_stride*mb_y+mb_x], s->avg_mb_var);
+            }
+#endif
+    /* DCT & quantize */
+    if(s->out_format==FMT_MJPEG){
+        for(i=0;i<6;i++) {
+            int overflow;
+            s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, 8, &overflow);
+            if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
+        }
+    }else{
+        for(i=0;i<6;i++) {
+            if(!skip_dct[i]){
+                int overflow;
+                s->block_last_index[i] = s->dct_quantize(s, s->block[i], i, s->qscale, &overflow);
+            // FIXME we could decide to change to quantizer instead of clipping
+            // JS: I don't think that would be a good idea it could lower quality instead
+            //     of improve it. Just INTRADC clipping deserves changes in quantizer
+                if (overflow) clip_coeffs(s, s->block[i], s->block_last_index[i]);
+            }else
+                s->block_last_index[i]= -1;
+        }
+        if(s->luma_elim_threshold && !s->mb_intra)
+            for(i=0; i<4; i++)
+                dct_single_coeff_elimination(s, i, s->luma_elim_threshold);
+        if(s->chroma_elim_threshold && !s->mb_intra)
+            for(i=4; i<6; i++)
+                dct_single_coeff_elimination(s, i, s->chroma_elim_threshold);
+    }
+
+    if((s->flags&CODEC_FLAG_GRAY) && s->mb_intra){
+        s->block_last_index[4]=
+        s->block_last_index[5]= 0;
+        s->block[4][0]=
+        s->block[5][0]= (1024 + s->c_dc_scale/2)/ s->c_dc_scale;
+    }
+
+    /* huffman encode */
+    switch(s->codec_id){ //FIXME funct ptr could be slightly faster
+    case CODEC_ID_MPEG1VIDEO:
+    case CODEC_ID_MPEG2VIDEO:
+        mpeg1_encode_mb(s, s->block, motion_x, motion_y); break;
+#ifdef CONFIG_RISKY
+    case CODEC_ID_MPEG4:
+        mpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
+    case CODEC_ID_MSMPEG4V2:
+    case CODEC_ID_MSMPEG4V3:
+    case CODEC_ID_WMV1:
+        msmpeg4_encode_mb(s, s->block, motion_x, motion_y); break;
+    case CODEC_ID_WMV2:
+         ff_wmv2_encode_mb(s, s->block, motion_x, motion_y); break;
+    case CODEC_ID_H263:
+    case CODEC_ID_H263P:
+    case CODEC_ID_FLV1:
+    case CODEC_ID_RV10:
+        h263_encode_mb(s, s->block, motion_x, motion_y); break;
+#endif
+    case CODEC_ID_MJPEG:
+        mjpeg_encode_mb(s, s->block); break;
+    default:
+        assert(0);
+    }
+}
+
+#endif //CONFIG_ENCODERS
+
+/**
+ * combines the (truncated) bitstream to a complete frame
+ * @returns -1 if no complete frame could be created
+ */
+int ff_combine_frame( MpegEncContext *s, int next, uint8_t **buf, int *buf_size){
+    ParseContext *pc= &s->parse_context;
+
+#if 0
+    if(pc->overread){
+        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
+        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
+    }
+#endif
+
+    /* copy overreaded byes from last frame into buffer */
+    for(; pc->overread>0; pc->overread--){
+        pc->buffer[pc->index++]= pc->buffer[pc->overread_index++];
+    }
+    
+    pc->last_index= pc->index;
+
+    /* copy into buffer end return */
+    if(next == END_NOT_FOUND){
+        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, (*buf_size) + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
+
+        memcpy(&pc->buffer[pc->index], *buf, *buf_size);
+        pc->index += *buf_size;
+        return -1;
+    }
+
+    *buf_size=
+    pc->overread_index= pc->index + next;
+    
+    /* append to buffer */
+    if(pc->index){
+        pc->buffer= av_fast_realloc(pc->buffer, &pc->buffer_size, next + pc->index + FF_INPUT_BUFFER_PADDING_SIZE);
+
+        memcpy(&pc->buffer[pc->index], *buf, next + FF_INPUT_BUFFER_PADDING_SIZE );
+        pc->index = 0;
+        *buf= pc->buffer;
+    }
+
+    /* store overread bytes */
+    for(;next < 0; next++){
+        pc->state = (pc->state<<8) | pc->buffer[pc->last_index + next];
+        pc->overread++;
+    }
+
+#if 0
+    if(pc->overread){
+        printf("overread %d, state:%X next:%d index:%d o_index:%d\n", pc->overread, pc->state, next, pc->index, pc->overread_index);
+        printf("%X %X %X %X\n", (*buf)[0], (*buf)[1],(*buf)[2],(*buf)[3]);
+    }
+#endif
+
+    return 0;
+}
+
+void ff_mpeg_flush(AVCodecContext *avctx){
+    int i;
+    MpegEncContext *s = avctx->priv_data;
+    
+    for(i=0; i<MAX_PICTURE_COUNT; i++){
+       if(s->picture[i].data[0] && (   s->picture[i].type == FF_BUFFER_TYPE_INTERNAL
+                                    || s->picture[i].type == FF_BUFFER_TYPE_USER))
+        avctx->release_buffer(avctx, (AVFrame*)&s->picture[i]);
+    }
+    s->last_picture_ptr = s->next_picture_ptr = NULL;
+    
+    s->parse_context.state= -1;
+    s->parse_context.frame_start_found= 0;
+    s->parse_context.overread= 0;
+    s->parse_context.overread_index= 0;
+    s->parse_context.index= 0;
+    s->parse_context.last_index= 0;
+}
+
+#ifdef CONFIG_ENCODERS
+void ff_copy_bits(PutBitContext *pb, uint8_t *src, int length)
+{
+    int bytes= length>>4;
+    int bits= length&15;
+    int i;
+
+    if(length==0) return;
+
+    for(i=0; i<bytes; i++) put_bits(pb, 16, be2me_16(((uint16_t*)src)[i]));
+    put_bits(pb, bits, be2me_16(((uint16_t*)src)[i])>>(16-bits));
+}
+
+static inline void copy_context_before_encode(MpegEncContext *d, MpegEncContext *s, int type){
+    int i;
+
+    memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
+
+    /* mpeg1 */
+    d->mb_skip_run= s->mb_skip_run;
+    for(i=0; i<3; i++)
+        d->last_dc[i]= s->last_dc[i];
+    
+    /* statistics */
+    d->mv_bits= s->mv_bits;
+    d->i_tex_bits= s->i_tex_bits;
+    d->p_tex_bits= s->p_tex_bits;
+    d->i_count= s->i_count;
+    d->f_count= s->f_count;
+    d->b_count= s->b_count;
+    d->skip_count= s->skip_count;
+    d->misc_bits= s->misc_bits;
+    d->last_bits= 0;
+
+    d->mb_skiped= 0;
+    d->qscale= s->qscale;
+}
+
+static inline void copy_context_after_encode(MpegEncContext *d, MpegEncContext *s, int type){
+    int i;
+
+    memcpy(d->mv, s->mv, 2*4*2*sizeof(int)); 
+    memcpy(d->last_mv, s->last_mv, 2*2*2*sizeof(int)); //FIXME is memcpy faster then a loop?
+    
+    /* mpeg1 */
+    d->mb_skip_run= s->mb_skip_run;
+    for(i=0; i<3; i++)
+        d->last_dc[i]= s->last_dc[i];
+    
+    /* statistics */
+    d->mv_bits= s->mv_bits;
+    d->i_tex_bits= s->i_tex_bits;
+    d->p_tex_bits= s->p_tex_bits;
+    d->i_count= s->i_count;
+    d->f_count= s->f_count;
+    d->b_count= s->b_count;
+    d->skip_count= s->skip_count;
+    d->misc_bits= s->misc_bits;
+
+    d->mb_intra= s->mb_intra;
+    d->mb_skiped= s->mb_skiped;
+    d->mv_type= s->mv_type;
+    d->mv_dir= s->mv_dir;
+    d->pb= s->pb;
+    if(s->data_partitioning){
+        d->pb2= s->pb2;
+        d->tex_pb= s->tex_pb;
+    }
+    d->block= s->block;
+    for(i=0; i<6; i++)
+        d->block_last_index[i]= s->block_last_index[i];
+    d->interlaced_dct= s->interlaced_dct;
+    d->qscale= s->qscale;
+}
+
+static inline void encode_mb_hq(MpegEncContext *s, MpegEncContext *backup, MpegEncContext *best, int type, 
+                           PutBitContext pb[2], PutBitContext pb2[2], PutBitContext tex_pb[2],
+                           int *dmin, int *next_block, int motion_x, int motion_y)
+{
+    int score;
+    uint8_t *dest_backup[3];
+    
+    copy_context_before_encode(s, backup, type);
+
+    s->block= s->blocks[*next_block];
+    s->pb= pb[*next_block];
+    if(s->data_partitioning){
+        s->pb2   = pb2   [*next_block];
+        s->tex_pb= tex_pb[*next_block];
+    }
+    
+    if(*next_block){
+        memcpy(dest_backup, s->dest, sizeof(s->dest));
+        s->dest[0] = s->me.scratchpad;
+        s->dest[1] = s->me.scratchpad + 16;
+        s->dest[2] = s->me.scratchpad + 16 + 8;
+        assert(2*s->uvlinesize == s->linesize); //should be no prob for encoding
+        assert(s->linesize >= 64); //FIXME
+    }
+
+    encode_mb(s, motion_x, motion_y);
+    
+    score= get_bit_count(&s->pb);
+    if(s->data_partitioning){
+        score+= get_bit_count(&s->pb2);
+        score+= get_bit_count(&s->tex_pb);
+    }
+   
+    if(s->avctx->mb_decision == FF_MB_DECISION_RD){
+        MPV_decode_mb(s, s->block);
+
+        score *= s->qscale * s->qscale * 109;
+        score += sse_mb(s) << 7;
+    }
+    
+    if(*next_block){
+        memcpy(s->dest, dest_backup, sizeof(s->dest));
+    }
+
+    if(score<*dmin){
+        *dmin= score;
+        *next_block^=1;
+
+        copy_context_after_encode(best, s, type);
+    }
+}
+                
+static int sse(MpegEncContext *s, uint8_t *src1, uint8_t *src2, int w, int h, int stride){
+    uint32_t *sq = squareTbl + 256;
+    int acc=0;
+    int x,y;
+    
+    if(w==16 && h==16) 
+        return s->dsp.sse[0](NULL, src1, src2, stride);
+    else if(w==8 && h==8)
+        return s->dsp.sse[1](NULL, src1, src2, stride);
+    
+    for(y=0; y<h; y++){
+        for(x=0; x<w; x++){
+            acc+= sq[src1[x + y*stride] - src2[x + y*stride]];
+        } 
+    }
+    
+    assert(acc>=0);
+    
+    return acc;
+}
+
+static int sse_mb(MpegEncContext *s){
+    int w= 16;
+    int h= 16;
+
+    if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
+    if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
+
+    if(w==16 && h==16)
+        return  s->dsp.sse[0](NULL, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], s->linesize)
+               +s->dsp.sse[1](NULL, s->new_picture.data[1] + s->mb_x*8  + s->mb_y*s->uvlinesize*8,s->dest[1], s->uvlinesize)
+               +s->dsp.sse[1](NULL, s->new_picture.data[2] + s->mb_x*8  + s->mb_y*s->uvlinesize*8,s->dest[2], s->uvlinesize);
+    else
+        return  sse(s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16, s->dest[0], w, h, s->linesize)
+               +sse(s, s->new_picture.data[1] + s->mb_x*8  + s->mb_y*s->uvlinesize*8,s->dest[1], w>>1, h>>1, s->uvlinesize)
+               +sse(s, s->new_picture.data[2] + s->mb_x*8  + s->mb_y*s->uvlinesize*8,s->dest[2], w>>1, h>>1, s->uvlinesize);
+}
+
+static void encode_picture(MpegEncContext *s, int picture_number)
+{
+    int mb_x, mb_y, pdif = 0;
+    int i;
+    int bits;
+    MpegEncContext best_s, backup_s;
+    uint8_t bit_buf[2][3000];
+    uint8_t bit_buf2[2][3000];
+    uint8_t bit_buf_tex[2][3000];
+    PutBitContext pb[2], pb2[2], tex_pb[2];
+
+    for(i=0; i<2; i++){
+        init_put_bits(&pb    [i], bit_buf    [i], 3000, NULL, NULL);
+        init_put_bits(&pb2   [i], bit_buf2   [i], 3000, NULL, NULL);
+        init_put_bits(&tex_pb[i], bit_buf_tex[i], 3000, NULL, NULL);
+    }
+
+    s->picture_number = picture_number;
+    
+    /* Reset the average MB variance */
+    s->current_picture.mb_var_sum = 0;
+    s->current_picture.mc_mb_var_sum = 0;
+
+#ifdef CONFIG_RISKY
+    /* we need to initialize some time vars before we can encode b-frames */
+    // RAL: Condition added for MPEG1VIDEO
+    if (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO || (s->h263_pred && !s->h263_msmpeg4))
+        ff_set_mpeg4_time(s, s->picture_number); 
+#endif
+        
+    s->scene_change_score=0;
+    
+    s->qscale= (int)(s->frame_qscale + 0.5); //FIXME qscale / ... stuff for ME ratedistoration
+    
+    if(s->pict_type==I_TYPE){
+        if(s->msmpeg4_version >= 3) s->no_rounding=1;
+        else                        s->no_rounding=0;
+    }else if(s->pict_type!=B_TYPE){
+        if(s->flipflop_rounding || s->codec_id == CODEC_ID_H263P || s->codec_id == CODEC_ID_MPEG4)
+            s->no_rounding ^= 1;          
+    }
+    
+    /* Estimate motion for every MB */
+    s->mb_intra=0; //for the rate distoration & bit compare functions
+    if(s->pict_type != I_TYPE){
+        if(s->pict_type != B_TYPE){
+            if((s->avctx->pre_me && s->last_non_b_pict_type==I_TYPE) || s->avctx->pre_me==2){
+                s->me.pre_pass=1;
+                s->me.dia_size= s->avctx->pre_dia_size;
+
+                for(mb_y=s->mb_height-1; mb_y >=0 ; mb_y--) {
+                    for(mb_x=s->mb_width-1; mb_x >=0 ; mb_x--) {
+                        s->mb_x = mb_x;
+                        s->mb_y = mb_y;
+                        ff_pre_estimate_p_frame_motion(s, mb_x, mb_y);
+                    }
+                }
+                s->me.pre_pass=0;
+            }
+        }
+
+        s->me.dia_size= s->avctx->dia_size;
+        for(mb_y=0; mb_y < s->mb_height; mb_y++) {
+            s->block_index[0]= s->block_wrap[0]*(mb_y*2 + 1) - 1;
+            s->block_index[1]= s->block_wrap[0]*(mb_y*2 + 1);
+            s->block_index[2]= s->block_wrap[0]*(mb_y*2 + 2) - 1;
+            s->block_index[3]= s->block_wrap[0]*(mb_y*2 + 2);
+            for(mb_x=0; mb_x < s->mb_width; mb_x++) {
+                s->mb_x = mb_x;
+                s->mb_y = mb_y;
+                s->block_index[0]+=2;
+                s->block_index[1]+=2;
+                s->block_index[2]+=2;
+                s->block_index[3]+=2;
+                
+                /* compute motion vector & mb_type and store in context */
+                if(s->pict_type==B_TYPE)
+                    ff_estimate_b_frame_motion(s, mb_x, mb_y);
+                else
+                    ff_estimate_p_frame_motion(s, mb_x, mb_y);
+            }
+        }
+    }else /* if(s->pict_type == I_TYPE) */{
+        /* I-Frame */
+        //FIXME do we need to zero them?
+        memset(s->motion_val[0], 0, sizeof(int16_t)*(s->mb_width*2 + 2)*(s->mb_height*2 + 2)*2);
+        memset(s->p_mv_table   , 0, sizeof(int16_t)*(s->mb_stride)*s->mb_height*2);
+        memset(s->mb_type      , MB_TYPE_INTRA, sizeof(uint8_t)*s->mb_stride*s->mb_height);
+        
+        if(!s->fixed_qscale){
+            /* finding spatial complexity for I-frame rate control */
+            for(mb_y=0; mb_y < s->mb_height; mb_y++) {
+                for(mb_x=0; mb_x < s->mb_width; mb_x++) {
+                    int xx = mb_x * 16;
+                    int yy = mb_y * 16;
+                    uint8_t *pix = s->new_picture.data[0] + (yy * s->linesize) + xx;
+                    int varc;
+                   int sum = s->dsp.pix_sum(pix, s->linesize);
+    
+                   varc = (s->dsp.pix_norm1(pix, s->linesize) - (((unsigned)(sum*sum))>>8) + 500 + 128)>>8;
+
+                    s->current_picture.mb_var [s->mb_stride * mb_y + mb_x] = varc;
+                    s->current_picture.mb_mean[s->mb_stride * mb_y + mb_x] = (sum+128)>>8;
+                    s->current_picture.mb_var_sum    += varc;
+                }
+            }
+        }
+    }
+    emms_c();
+
+    if(s->scene_change_score > s->avctx->scenechange_threshold && s->pict_type == P_TYPE){
+        s->pict_type= I_TYPE;
+        memset(s->mb_type   , MB_TYPE_INTRA, sizeof(uint8_t)*s->mb_stride*s->mb_height);
+//printf("Scene change detected, encoding as I Frame %d %d\n", s->current_picture.mb_var_sum, s->current_picture.mc_mb_var_sum);
+    }
+
+    if(!s->umvplus){
+        if(s->pict_type==P_TYPE || s->pict_type==S_TYPE) {
+            s->f_code= ff_get_best_fcode(s, s->p_mv_table, MB_TYPE_INTER);
+        
+            ff_fix_long_p_mvs(s);
+        }
+
+        if(s->pict_type==B_TYPE){
+            int a, b;
+
+            a = ff_get_best_fcode(s, s->b_forw_mv_table, MB_TYPE_FORWARD);
+            b = ff_get_best_fcode(s, s->b_bidir_forw_mv_table, MB_TYPE_BIDIR);
+            s->f_code = FFMAX(a, b);
+
+            a = ff_get_best_fcode(s, s->b_back_mv_table, MB_TYPE_BACKWARD);
+            b = ff_get_best_fcode(s, s->b_bidir_back_mv_table, MB_TYPE_BIDIR);
+            s->b_code = FFMAX(a, b);
+
+            ff_fix_long_b_mvs(s, s->b_forw_mv_table, s->f_code, MB_TYPE_FORWARD);
+            ff_fix_long_b_mvs(s, s->b_back_mv_table, s->b_code, MB_TYPE_BACKWARD);
+            ff_fix_long_b_mvs(s, s->b_bidir_forw_mv_table, s->f_code, MB_TYPE_BIDIR);
+            ff_fix_long_b_mvs(s, s->b_bidir_back_mv_table, s->b_code, MB_TYPE_BIDIR);
+        }
+    }
+    
+    if (s->fixed_qscale) 
+        s->frame_qscale = s->current_picture.quality;
+    else
+        s->frame_qscale = ff_rate_estimate_qscale(s);
+
+    if(s->adaptive_quant){
+#ifdef CONFIG_RISKY
+        switch(s->codec_id){
+        case CODEC_ID_MPEG4:
+            ff_clean_mpeg4_qscales(s);
+            break;
+        case CODEC_ID_H263:
+        case CODEC_ID_H263P:
+        case CODEC_ID_FLV1:
+            ff_clean_h263_qscales(s);
+            break;
+        }
+#endif
+
+        s->qscale= s->current_picture.qscale_table[0];
+    }else
+        s->qscale= (int)(s->frame_qscale + 0.5);
+        
+    if (s->out_format == FMT_MJPEG) {
+        /* for mjpeg, we do include qscale in the matrix */
+        s->intra_matrix[0] = ff_mpeg1_default_intra_matrix[0];
+        for(i=1;i<64;i++){
+            int j= s->dsp.idct_permutation[i];
+
+            s->intra_matrix[j] = CLAMP_TO_8BIT((ff_mpeg1_default_intra_matrix[i] * s->qscale) >> 3);
+        }
+        convert_matrix(s, s->q_intra_matrix, s->q_intra_matrix16, 
+                       s->q_intra_matrix16_bias, s->intra_matrix, s->intra_quant_bias, 8, 8);
+    }
+    
+    //FIXME var duplication
+    s->current_picture.key_frame= s->pict_type == I_TYPE;
+    s->current_picture.pict_type= s->pict_type;
+
+    if(s->current_picture.key_frame)
+        s->picture_in_gop_number=0;
+
+    s->last_bits= get_bit_count(&s->pb);
+    switch(s->out_format) {
+    case FMT_MJPEG:
+        mjpeg_picture_header(s);
+        break;
+#ifdef CONFIG_RISKY
+    case FMT_H263:
+        if (s->codec_id == CODEC_ID_WMV2) 
+            ff_wmv2_encode_picture_header(s, picture_number);
+        else if (s->h263_msmpeg4) 
+            msmpeg4_encode_picture_header(s, picture_number);
+        else if (s->h263_pred)
+            mpeg4_encode_picture_header(s, picture_number);
+        else if (s->h263_rv10) 
+            rv10_encode_picture_header(s, picture_number);
+        else if (s->codec_id == CODEC_ID_FLV1)
+            ff_flv_encode_picture_header(s, picture_number);
+        else
+            h263_encode_picture_header(s, picture_number);
+        break;
+#endif
+    case FMT_MPEG1:
+        mpeg1_encode_picture_header(s, picture_number);
+        break;
+    case FMT_H264:
+        break;
+    }
+    bits= get_bit_count(&s->pb);
+    s->header_bits= bits - s->last_bits;
+    s->last_bits= bits;
+    s->mv_bits=0;
+    s->misc_bits=0;
+    s->i_tex_bits=0;
+    s->p_tex_bits=0;
+    s->i_count=0;
+    s->f_count=0;
+    s->b_count=0;
+    s->skip_count=0;
+
+    for(i=0; i<3; i++){
+        /* init last dc values */
+        /* note: quant matrix value (8) is implied here */
+        s->last_dc[i] = 128;
+        
+        s->current_picture_ptr->error[i] = 0;
+    }
+    s->mb_skip_run = 0;
+    s->last_mv[0][0][0] = 0;
+    s->last_mv[0][0][1] = 0;
+    s->last_mv[1][0][0] = 0;
+    s->last_mv[1][0][1] = 0;
+     
+    s->last_mv_dir = 0;
+
+#ifdef CONFIG_RISKY
+    switch(s->codec_id){
+    case CODEC_ID_H263:
+    case CODEC_ID_H263P:
+    case CODEC_ID_FLV1:
+        s->gob_index = ff_h263_get_gob_height(s);
+        break;
+    case CODEC_ID_MPEG4:
+        if(s->partitioned_frame)
+            ff_mpeg4_init_partitions(s);
+        break;
+    }
+#endif
+
+    s->resync_mb_x=0;
+    s->resync_mb_y=0;
+    s->first_slice_line = 1;
+    s->ptr_lastgob = s->pb.buf;
+    for(mb_y=0; mb_y < s->mb_height; mb_y++) {
+        s->mb_x=0;
+        s->mb_y= mb_y;
+
+        s->y_dc_scale= s->y_dc_scale_table[ s->qscale ];
+        s->c_dc_scale= s->c_dc_scale_table[ s->qscale ];
+        ff_init_block_index(s);
+        
+        for(mb_x=0; mb_x < s->mb_width; mb_x++) {
+            const int xy= mb_y*s->mb_stride + mb_x;
+            int mb_type= s->mb_type[xy];
+//            int d;
+            int dmin= INT_MAX;
+
+            s->mb_x = mb_x;
+            ff_update_block_index(s);
+
+            /* write gob / video packet header  */
+#ifdef CONFIG_RISKY
+            if(s->rtp_mode && mb_y + mb_x>0){
+                int current_packet_size, is_gob_start;
+                
+                current_packet_size= pbBufPtr(&s->pb) - s->ptr_lastgob;
+                is_gob_start=0;
+                
+                if(s->codec_id==CODEC_ID_MPEG4){
+                    if(current_packet_size >= s->rtp_payload_size){
+
+                        if(s->partitioned_frame){
+                            ff_mpeg4_merge_partitions(s);
+                            ff_mpeg4_init_partitions(s);
+                        }
+                        ff_mpeg4_encode_video_packet_header(s);
+
+                        if(s->flags&CODEC_FLAG_PASS1){
+                            int bits= get_bit_count(&s->pb);
+                            s->misc_bits+= bits - s->last_bits;
+                            s->last_bits= bits;
+                        }
+                        ff_mpeg4_clean_buffers(s);
+                        is_gob_start=1;
+                    }
+                }else if(s->codec_id==CODEC_ID_MPEG1VIDEO){
+                    if(   current_packet_size >= s->rtp_payload_size 
+                       && s->mb_skip_run==0){
+                        ff_mpeg1_encode_slice_header(s);
+                        ff_mpeg1_clean_buffers(s);
+                        is_gob_start=1;
+                    }
+                }else if(s->codec_id==CODEC_ID_MPEG2VIDEO){
+                    if(   (   current_packet_size >= s->rtp_payload_size || mb_x==0)
+                       && s->mb_skip_run==0){
+                        ff_mpeg1_encode_slice_header(s);
+                        ff_mpeg1_clean_buffers(s);
+                        is_gob_start=1;
+                    }
+                }else{
+                    if(current_packet_size >= s->rtp_payload_size
+                       && s->mb_x==0 && s->mb_y%s->gob_index==0){
+                       
+                        h263_encode_gob_header(s, mb_y);                       
+                        is_gob_start=1;
+                    }
+                }
+
+                if(is_gob_start){
+                    s->ptr_lastgob = pbBufPtr(&s->pb);
+                    s->first_slice_line=1;
+                    s->resync_mb_x=mb_x;
+                    s->resync_mb_y=mb_y;
+                }
+            }
+#endif
+
+            if(  (s->resync_mb_x   == s->mb_x)
+               && s->resync_mb_y+1 == s->mb_y){
+                s->first_slice_line=0; 
+            }
+
+            s->mb_skiped=0;
+
+            if(mb_type & (mb_type-1)){ // more than 1 MB type possible
+                int next_block=0;
+                int pb_bits_count, pb2_bits_count, tex_pb_bits_count;
+
+                copy_context_before_encode(&backup_s, s, -1);
+                backup_s.pb= s->pb;
+                best_s.data_partitioning= s->data_partitioning;
+                best_s.partitioned_frame= s->partitioned_frame;
+                if(s->data_partitioning){
+                    backup_s.pb2= s->pb2;
+                    backup_s.tex_pb= s->tex_pb;
+                }
+
+                if(mb_type&MB_TYPE_INTER){
+                    s->mv_dir = MV_DIR_FORWARD;
+                    s->mv_type = MV_TYPE_16X16;
+                    s->mb_intra= 0;
+                    s->mv[0][0][0] = s->p_mv_table[xy][0];
+                    s->mv[0][0][1] = s->p_mv_table[xy][1];
+                    encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTER, pb, pb2, tex_pb, 
+                                 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
+                }
+                if(mb_type&MB_TYPE_INTER4V){                 
+                    s->mv_dir = MV_DIR_FORWARD;
+                    s->mv_type = MV_TYPE_8X8;
+                    s->mb_intra= 0;
+                    for(i=0; i<4; i++){
+                        s->mv[0][i][0] = s->motion_val[s->block_index[i]][0];
+                        s->mv[0][i][1] = s->motion_val[s->block_index[i]][1];
+                    }
+                    encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTER4V, pb, pb2, tex_pb, 
+                                 &dmin, &next_block, 0, 0);
+                }
+                if(mb_type&MB_TYPE_FORWARD){
+                    s->mv_dir = MV_DIR_FORWARD;
+                    s->mv_type = MV_TYPE_16X16;
+                    s->mb_intra= 0;
+                    s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
+                    s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
+                    encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_FORWARD, pb, pb2, tex_pb, 
+                                 &dmin, &next_block, s->mv[0][0][0], s->mv[0][0][1]);
+                }
+                if(mb_type&MB_TYPE_BACKWARD){
+                    s->mv_dir = MV_DIR_BACKWARD;
+                    s->mv_type = MV_TYPE_16X16;
+                    s->mb_intra= 0;
+                    s->mv[1][0][0] = s->b_back_mv_table[xy][0];
+                    s->mv[1][0][1] = s->b_back_mv_table[xy][1];
+                    encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_BACKWARD, pb, pb2, tex_pb, 
+                                 &dmin, &next_block, s->mv[1][0][0], s->mv[1][0][1]);
+                }
+                if(mb_type&MB_TYPE_BIDIR){
+                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
+                    s->mv_type = MV_TYPE_16X16;
+                    s->mb_intra= 0;
+                    s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
+                    s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
+                    s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
+                    s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
+                    encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_BIDIR, pb, pb2, tex_pb, 
+                                 &dmin, &next_block, 0, 0);
+                }
+                if(mb_type&MB_TYPE_DIRECT){
+                    int mx= s->b_direct_mv_table[xy][0];
+                    int my= s->b_direct_mv_table[xy][1];
+                    
+                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
+                    s->mb_intra= 0;
+#ifdef CONFIG_RISKY
+                    ff_mpeg4_set_direct_mv(s, mx, my);
+#endif
+                    encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_DIRECT, pb, pb2, tex_pb, 
+                                 &dmin, &next_block, mx, my);
+                }
+                if(mb_type&MB_TYPE_INTRA){
+                    s->mv_dir = 0;
+                    s->mv_type = MV_TYPE_16X16;
+                    s->mb_intra= 1;
+                    s->mv[0][0][0] = 0;
+                    s->mv[0][0][1] = 0;
+                    encode_mb_hq(s, &backup_s, &best_s, MB_TYPE_INTRA, pb, pb2, tex_pb, 
+                                 &dmin, &next_block, 0, 0);
+                    if(s->h263_pred || s->h263_aic){
+                        if(best_s.mb_intra)
+                            s->mbintra_table[mb_x + mb_y*s->mb_stride]=1;
+                        else
+                            ff_clean_intra_table_entries(s); //old mode?
+                    }
+                }
+                copy_context_after_encode(s, &best_s, -1);
+                
+                pb_bits_count= get_bit_count(&s->pb);
+                flush_put_bits(&s->pb);
+                ff_copy_bits(&backup_s.pb, bit_buf[next_block^1], pb_bits_count);
+                s->pb= backup_s.pb;
+                
+                if(s->data_partitioning){
+                    pb2_bits_count= get_bit_count(&s->pb2);
+                    flush_put_bits(&s->pb2);
+                    ff_copy_bits(&backup_s.pb2, bit_buf2[next_block^1], pb2_bits_count);
+                    s->pb2= backup_s.pb2;
+                    
+                    tex_pb_bits_count= get_bit_count(&s->tex_pb);
+                    flush_put_bits(&s->tex_pb);
+                    ff_copy_bits(&backup_s.tex_pb, bit_buf_tex[next_block^1], tex_pb_bits_count);
+                    s->tex_pb= backup_s.tex_pb;
+                }
+                s->last_bits= get_bit_count(&s->pb);
+               
+#ifdef CONFIG_RISKY
+                if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
+                    ff_h263_update_motion_val(s);
+#endif
+        
+                if(next_block==0){
+                    s->dsp.put_pixels_tab[0][0](s->dest[0], s->me.scratchpad     , s->linesize  ,16);
+                    s->dsp.put_pixels_tab[1][0](s->dest[1], s->me.scratchpad + 16, s->uvlinesize, 8);
+                    s->dsp.put_pixels_tab[1][0](s->dest[2], s->me.scratchpad + 24, s->uvlinesize, 8);
+                }
+
+                if(s->avctx->mb_decision == FF_MB_DECISION_BITS)
+                    MPV_decode_mb(s, s->block);
+            } else {
+                int motion_x, motion_y;
+                int intra_score;
+                int inter_score= s->current_picture.mb_cmp_score[mb_x + mb_y*s->mb_stride];
+                
+              if(s->avctx->mb_decision==FF_MB_DECISION_SIMPLE && s->pict_type==P_TYPE){ //FIXME check if the mess is usefull at all
+                /* get luma score */
+                if((s->avctx->mb_cmp&0xFF)==FF_CMP_SSE){
+                    intra_score= (s->current_picture.mb_var[mb_x + mb_y*s->mb_stride]<<8) - 500; //FIXME dont scale it down so we dont have to fix it
+                }else{
+                    uint8_t *dest_y;
+
+                    int mean= s->current_picture.mb_mean[mb_x + mb_y*s->mb_stride]; //FIXME
+                    mean*= 0x01010101;
+                    
+                    dest_y  = s->new_picture.data[0] + (mb_y * 16 * s->linesize    ) + mb_x * 16;
+                
+                    for(i=0; i<16; i++){
+                        *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 0]) = mean;
+                        *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 4]) = mean;
+                        *(uint32_t*)(&s->me.scratchpad[i*s->linesize+ 8]) = mean;
+                        *(uint32_t*)(&s->me.scratchpad[i*s->linesize+12]) = mean;
+                    }
+
+                    s->mb_intra=1;
+                    intra_score= s->dsp.mb_cmp[0](s, s->me.scratchpad, dest_y, s->linesize);
+                                        
+/*                    printf("intra:%7d inter:%7d var:%7d mc_var.%7d\n", intra_score>>8, inter_score>>8, 
+                        s->current_picture.mb_var[mb_x + mb_y*s->mb_stride],
+                        s->current_picture.mc_mb_var[mb_x + mb_y*s->mb_stride]);*/
+                }
+                
+                /* get chroma score */
+                if(s->avctx->mb_cmp&FF_CMP_CHROMA){
+                    int i;
+                    
+                    s->mb_intra=1;
+                    for(i=1; i<3; i++){
+                        uint8_t *dest_c;
+                        int mean;
+                        
+                        if(s->out_format == FMT_H263){
+                            mean= (s->dc_val[i][mb_x + (mb_y+1)*(s->mb_width+2)] + 4)>>3; //FIXME not exact but simple ;)
+                        }else{
+                            mean= (s->last_dc[i] + 4)>>3;
+                        }
+                        dest_c = s->new_picture.data[i] + (mb_y * 8  * (s->uvlinesize)) + mb_x * 8;
+                        
+                        mean*= 0x01010101;
+                        for(i=0; i<8; i++){
+                            *(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 0]) = mean;
+                            *(uint32_t*)(&s->me.scratchpad[i*s->uvlinesize+ 4]) = mean;
+                        }
+                        
+                        intra_score+= s->dsp.mb_cmp[1](s, s->me.scratchpad, dest_c, s->uvlinesize);
+                    }                
+                }
+
+                /* bias */
+                switch(s->avctx->mb_cmp&0xFF){
+                default:
+                case FF_CMP_SAD:
+                    intra_score+= 32*s->qscale;
+                    break;
+                case FF_CMP_SSE:
+                    intra_score+= 24*s->qscale*s->qscale;
+                    break;
+                case FF_CMP_SATD:
+                    intra_score+= 96*s->qscale;
+                    break;
+                case FF_CMP_DCT:
+                    intra_score+= 48*s->qscale;
+                    break;
+                case FF_CMP_BIT:
+                    intra_score+= 16;
+                    break;
+                case FF_CMP_PSNR:
+                case FF_CMP_RD:
+                    intra_score+= (s->qscale*s->qscale*109*8 + 64)>>7;
+                    break;
+                }
+
+                if(intra_score < inter_score)
+                    mb_type= MB_TYPE_INTRA;
+              }  
+                
+                s->mv_type=MV_TYPE_16X16;
+                // only one MB-Type possible
+                
+                switch(mb_type){
+                case MB_TYPE_INTRA:
+                    s->mv_dir = 0;
+                    s->mb_intra= 1;
+                    motion_x= s->mv[0][0][0] = 0;
+                    motion_y= s->mv[0][0][1] = 0;
+                    break;
+                case MB_TYPE_INTER:
+                    s->mv_dir = MV_DIR_FORWARD;
+                    s->mb_intra= 0;
+                    motion_x= s->mv[0][0][0] = s->p_mv_table[xy][0];
+                    motion_y= s->mv[0][0][1] = s->p_mv_table[xy][1];
+                    break;
+                case MB_TYPE_INTER4V:
+                    s->mv_dir = MV_DIR_FORWARD;
+                    s->mv_type = MV_TYPE_8X8;
+                    s->mb_intra= 0;
+                    for(i=0; i<4; i++){
+                        s->mv[0][i][0] = s->motion_val[s->block_index[i]][0];
+                        s->mv[0][i][1] = s->motion_val[s->block_index[i]][1];
+                    }
+                    motion_x= motion_y= 0;
+                    break;
+                case MB_TYPE_DIRECT:
+                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
+                    s->mb_intra= 0;
+                    motion_x=s->b_direct_mv_table[xy][0];
+                    motion_y=s->b_direct_mv_table[xy][1];
+#ifdef CONFIG_RISKY
+                    ff_mpeg4_set_direct_mv(s, motion_x, motion_y);
+#endif
+                    break;
+                case MB_TYPE_BIDIR:
+                    s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD;
+                    s->mb_intra= 0;
+                    motion_x=0;
+                    motion_y=0;
+                    s->mv[0][0][0] = s->b_bidir_forw_mv_table[xy][0];
+                    s->mv[0][0][1] = s->b_bidir_forw_mv_table[xy][1];
+                    s->mv[1][0][0] = s->b_bidir_back_mv_table[xy][0];
+                    s->mv[1][0][1] = s->b_bidir_back_mv_table[xy][1];
+                    break;
+                case MB_TYPE_BACKWARD:
+                    s->mv_dir = MV_DIR_BACKWARD;
+                    s->mb_intra= 0;
+                    motion_x= s->mv[1][0][0] = s->b_back_mv_table[xy][0];
+                    motion_y= s->mv[1][0][1] = s->b_back_mv_table[xy][1];
+                    break;
+                case MB_TYPE_FORWARD:
+                    s->mv_dir = MV_DIR_FORWARD;
+                    s->mb_intra= 0;
+                    motion_x= s->mv[0][0][0] = s->b_forw_mv_table[xy][0];
+                    motion_y= s->mv[0][0][1] = s->b_forw_mv_table[xy][1];
+//                    printf(" %d %d ", motion_x, motion_y);
+                    break;
+                default:
+                    motion_x=motion_y=0; //gcc warning fix
+                    printf("illegal MB type\n");
+                }
+
+                encode_mb(s, motion_x, motion_y);
+
+                // RAL: Update last macrobloc type
+                s->last_mv_dir = s->mv_dir;
+            
+#ifdef CONFIG_RISKY
+                if (s->out_format == FMT_H263 && s->pict_type!=B_TYPE)
+                    ff_h263_update_motion_val(s);
+#endif
+               
+                MPV_decode_mb(s, s->block);
+            }
+
+            /* clean the MV table in IPS frames for direct mode in B frames */
+            if(s->mb_intra /* && I,P,S_TYPE */){
+                s->p_mv_table[xy][0]=0;
+                s->p_mv_table[xy][1]=0;
+            }
+            
+            if(s->flags&CODEC_FLAG_PSNR){
+                int w= 16;
+                int h= 16;
+
+                if(s->mb_x*16 + 16 > s->width ) w= s->width - s->mb_x*16;
+                if(s->mb_y*16 + 16 > s->height) h= s->height- s->mb_y*16;
+
+                s->current_picture_ptr->error[0] += sse(
+                    s, s->new_picture.data[0] + s->mb_x*16 + s->mb_y*s->linesize*16,
+                    s->dest[0], w, h, s->linesize);
+                s->current_picture_ptr->error[1] += sse(
+                    s, s->new_picture.data[1] + s->mb_x*8  + s->mb_y*s->uvlinesize*8,
+                    s->dest[1], w>>1, h>>1, s->uvlinesize);
+                s->current_picture_ptr->error[2] += sse(
+                    s, s->new_picture    .data[2] + s->mb_x*8  + s->mb_y*s->uvlinesize*8,
+                    s->dest[2], w>>1, h>>1, s->uvlinesize);
+            }
+//printf("MB %d %d bits\n", s->mb_x+s->mb_y*s->mb_stride, get_bit_count(&s->pb));
+        }
+    }
+    emms_c();
+
+#ifdef CONFIG_RISKY
+    if(s->codec_id==CODEC_ID_MPEG4 && s->partitioned_frame)
+        ff_mpeg4_merge_partitions(s);
+
+    if (s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type == I_TYPE)
+        msmpeg4_encode_ext_header(s);
+
+    if(s->codec_id==CODEC_ID_MPEG4) 
+        ff_mpeg4_stuffing(&s->pb);
+#endif
+
+    //if (s->gob_number)
+    //    fprintf(stderr,"\nNumber of GOB: %d", s->gob_number);
+    
+    /* Send the last GOB if RTP */    
+    if (s->rtp_mode) {
+        flush_put_bits(&s->pb);
+        pdif = pbBufPtr(&s->pb) - s->ptr_lastgob;
+        /* Call the RTP callback to send the last GOB */
+        if (s->rtp_callback)
+            s->rtp_callback(s->ptr_lastgob, pdif, s->gob_number);
+        s->ptr_lastgob = pbBufPtr(&s->pb);
+        //fprintf(stderr,"\nGOB: %2d size: %d (last)", s->gob_number, pdif);
+    }
+}
+
+static int dct_quantize_trellis_c(MpegEncContext *s, 
+                        DCTELEM *block, int n,
+                        int qscale, int *overflow){
+    const int *qmat;
+    const uint8_t *scantable= s->intra_scantable.scantable;
+    int max=0;
+    unsigned int threshold1, threshold2;
+    int bias=0;
+    int run_tab[65];
+    int level_tab[65];
+    int score_tab[65];
+    int last_run=0;
+    int last_level=0;
+    int last_score= 0;
+    int last_i= 0;
+    int coeff[3][64];
+    int coeff_count[64];
+    int lambda, qmul, qadd, start_i, last_non_zero, i, dc;
+    const int esc_length= s->ac_esc_length;
+    uint8_t * length;
+    uint8_t * last_length;
+    int score_limit=0;
+    int left_limit= 0;
+        
+    s->dsp.fdct (block);
+
+    qmul= qscale*16;
+    qadd= ((qscale-1)|1)*8;
+
+    if (s->mb_intra) {
+        int q;
+        if (!s->h263_aic) {
+            if (n < 4)
+                q = s->y_dc_scale;
+            else
+                q = s->c_dc_scale;
+            q = q << 3;
+        } else{
+            /* For AIC we skip quant/dequant of INTRADC */
+            q = 1 << 3;
+            qadd=0;
+        }
+            
+        /* note: block[0] is assumed to be positive */
+        block[0] = (block[0] + (q >> 1)) / q;
+        start_i = 1;
+        last_non_zero = 0;
+        qmat = s->q_intra_matrix[qscale];
+        if(s->mpeg_quant || s->out_format == FMT_MPEG1)
+            bias= 1<<(QMAT_SHIFT-1);
+        length     = s->intra_ac_vlc_length;
+        last_length= s->intra_ac_vlc_last_length;
+    } else {
+        start_i = 0;
+        last_non_zero = -1;
+        qmat = s->q_inter_matrix[qscale];
+        length     = s->inter_ac_vlc_length;
+        last_length= s->inter_ac_vlc_last_length;
+    }
+
+    threshold1= (1<<QMAT_SHIFT) - bias - 1;
+    threshold2= (threshold1<<1);
+
+    for(i=start_i; i<64; i++) {
+        const int j = scantable[i];
+        const int k= i-start_i;
+        int level = block[j];
+        level = level * qmat[j];
+
+//        if(   bias+level >= (1<<(QMAT_SHIFT - 3))
+//           || bias-level >= (1<<(QMAT_SHIFT - 3))){
+        if(((unsigned)(level+threshold1))>threshold2){
+            if(level>0){
+                level= (bias + level)>>QMAT_SHIFT;
+                coeff[0][k]= level;
+                coeff[1][k]= level-1;
+//                coeff[2][k]= level-2;
+            }else{
+                level= (bias - level)>>QMAT_SHIFT;
+                coeff[0][k]= -level;
+                coeff[1][k]= -level+1;
+//                coeff[2][k]= -level+2;
+            }
+            coeff_count[k]= FFMIN(level, 2);
+            max |=level;
+            last_non_zero = i;
+        }else{
+            coeff[0][k]= (level>>31)|1;
+            coeff_count[k]= 1;
+        }
+    }
+    
+    *overflow= s->max_qcoeff < max; //overflow might have happend
+    
+    if(last_non_zero < start_i){
+        memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
+        return last_non_zero;
+    }
+
+    lambda= (qscale*qscale*64*105 + 64)>>7; //FIXME finetune
+        
+    score_tab[0]= 0;
+    for(i=0; i<=last_non_zero - start_i; i++){
+        int level_index, run, j;
+        const int dct_coeff= block[ scantable[i + start_i] ];
+        const int zero_distoration= dct_coeff*dct_coeff;
+        int best_score=256*256*256*120;
+
+        last_score += zero_distoration;
+        for(level_index=0; level_index < coeff_count[i]; level_index++){
+            int distoration;
+            int level= coeff[level_index][i];
+            int unquant_coeff;
+            
+            assert(level);
+
+            if(s->out_format == FMT_H263){
+                if(level>0){
+                    unquant_coeff= level*qmul + qadd;
+                }else{
+                    unquant_coeff= level*qmul - qadd;
+                }
+            }else{ //MPEG1
+                j= s->dsp.idct_permutation[ scantable[i + start_i] ]; //FIXME optimize
+                if(s->mb_intra){
+                    if (level < 0) {
+                        unquant_coeff = (int)((-level) * qscale * s->intra_matrix[j]) >> 3;
+                        unquant_coeff = -((unquant_coeff - 1) | 1);
+                    } else {
+                        unquant_coeff = (int)(  level  * qscale * s->intra_matrix[j]) >> 3;
+                        unquant_coeff =   (unquant_coeff - 1) | 1;
+                    }
+                }else{
+                    if (level < 0) {
+                        unquant_coeff = ((((-level) << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
+                        unquant_coeff = -((unquant_coeff - 1) | 1);
+                    } else {
+                        unquant_coeff = (((  level  << 1) + 1) * qscale * ((int) s->inter_matrix[j])) >> 4;
+                        unquant_coeff =   (unquant_coeff - 1) | 1;
+                    }
+                }
+                unquant_coeff<<= 3;
+            }
+
+            distoration= (unquant_coeff - dct_coeff) * (unquant_coeff - dct_coeff);
+            level+=64;
+            if((level&(~127)) == 0){
+                for(run=0; run<=i - left_limit; run++){
+                    int score= distoration + length[UNI_AC_ENC_INDEX(run, level)]*lambda;
+                    score += score_tab[i-run];
+                    
+                    if(score < best_score){
+                        best_score= 
+                        score_tab[i+1]= score;
+                        run_tab[i+1]= run;
+                        level_tab[i+1]= level-64;
+                    }
+                }
+
+                if(s->out_format == FMT_H263){
+                    for(run=0; run<=i - left_limit; run++){
+                        int score= distoration + last_length[UNI_AC_ENC_INDEX(run, level)]*lambda;
+                        score += score_tab[i-run];
+                        if(score < last_score){
+                            last_score= score;
+                            last_run= run;
+                            last_level= level-64;
+                            last_i= i+1;
+                        }
+                    }
+                }
+            }else{
+                distoration += esc_length*lambda;
+                for(run=0; run<=i - left_limit; run++){
+                    int score= distoration + score_tab[i-run];
+                    
+                    if(score < best_score){
+                        best_score= 
+                        score_tab[i+1]= score;
+                        run_tab[i+1]= run;
+                        level_tab[i+1]= level-64;
+                    }
+                }
+
+                if(s->out_format == FMT_H263){
+                    for(run=0; run<=i - left_limit; run++){
+                        int score= distoration + score_tab[i-run];
+                        if(score < last_score){
+                            last_score= score;
+                            last_run= run;
+                            last_level= level-64;
+                            last_i= i+1;
+                        }
+                    }
+                }
+            }
+        }
+
+        for(j=left_limit; j<=i; j++){
+            score_tab[j] += zero_distoration;
+        }
+        score_limit+= zero_distoration;
+        if(score_tab[i+1] < score_limit)
+            score_limit= score_tab[i+1];
+        
+        //Note: there is a vlc code in mpeg4 which is 1 bit shorter then another one with a shorter run and the same level
+        while(score_tab[ left_limit ] > score_limit + lambda) left_limit++;
+    }
+
+        //FIXME add some cbp penalty
+
+    if(s->out_format != FMT_H263){
+        last_score= 256*256*256*120;
+        for(i= left_limit; i<=last_non_zero - start_i + 1; i++){
+            int score= score_tab[i];
+            if(i) score += lambda*2; //FIXME exacter?
+
+            if(score < last_score){
+                last_score= score;
+                last_i= i;
+                last_level= level_tab[i];
+                last_run= run_tab[i];
+            }
+        }
+    }
+    
+    dc= block[0];
+    last_non_zero= last_i - 1 + start_i;
+    memset(block + start_i, 0, (64-start_i)*sizeof(DCTELEM));
+    
+    if(last_non_zero < start_i)
+        return last_non_zero;
+    
+    if(last_non_zero == 0 && start_i == 0){
+        int best_level= 0;
+        int best_score= dc * dc;
+
+        for(i=0; i<coeff_count[0]; i++){
+            const int level= coeff[i][0];
+            int unquant_coeff, score, distoration;
+
+            if(s->out_format == FMT_H263){
+                if(level>0){
+                    unquant_coeff= (level*qmul + qadd)>>3;
+                }else{
+                    unquant_coeff= (level*qmul - qadd)>>3;
+                }
+            }else{ //MPEG1
+                    if (level < 0) {
+                        unquant_coeff = ((((-level) << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
+                        unquant_coeff = -((unquant_coeff - 1) | 1);
+                    } else {
+                        unquant_coeff = (((  level  << 1) + 1) * qscale * ((int) s->inter_matrix[0])) >> 4;
+                        unquant_coeff =   (unquant_coeff - 1) | 1;
+                    }
+            }
+            unquant_coeff = (unquant_coeff + 4) >> 3;
+            unquant_coeff<<= 3 + 3;
+
+            distoration= (unquant_coeff - dc) * (unquant_coeff - dc);
+            score= distoration + last_length[UNI_AC_ENC_INDEX(0, level+64)]*lambda;
+            if(score < best_score){
+                best_score= score;
+                best_level= level;
+            }
+        }
+        block[0]= best_level;
+        if(best_level == 0) 
+            last_non_zero=-1;
+        return last_non_zero;
+    }
+    
+    i= last_i;
+    assert(last_level);
+//FIXME use permutated scantable
+    block[ s->dsp.idct_permutation[ scantable[last_non_zero] ] ]= last_level;
+    i -= last_run + 1;
+    
+    for(;i>0 ; i -= run_tab[i] + 1){
+        const int j= s->dsp.idct_permutation[ scantable[i - 1 + start_i] ];
+    
+        block[j]= level_tab[i];
+        assert(block[j]);
+    }
+
+    return last_non_zero;
+}
+
+static int dct_quantize_c(MpegEncContext *s, 
+                        DCTELEM *block, int n,
+                        int qscale, int *overflow)
+{
+    int i, j, level, last_non_zero, q;
+    const int *qmat;
+    const uint8_t *scantable= s->intra_scantable.scantable;
+    int bias;
+    int max=0;
+    unsigned int threshold1, threshold2;
+
+    s->dsp.fdct (block);
+
+    if (s->mb_intra) {
+        if (!s->h263_aic) {
+            if (n < 4)
+                q = s->y_dc_scale;
+            else
+                q = s->c_dc_scale;
+            q = q << 3;
+        } else
+            /* For AIC we skip quant/dequant of INTRADC */
+            q = 1 << 3;
+            
+        /* note: block[0] is assumed to be positive */
+        block[0] = (block[0] + (q >> 1)) / q;
+        i = 1;
+        last_non_zero = 0;
+        qmat = s->q_intra_matrix[qscale];
+        bias= s->intra_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
+    } else {
+        i = 0;
+        last_non_zero = -1;
+        qmat = s->q_inter_matrix[qscale];
+        bias= s->inter_quant_bias<<(QMAT_SHIFT - QUANT_BIAS_SHIFT);
+    }
+    threshold1= (1<<QMAT_SHIFT) - bias - 1;
+    threshold2= (threshold1<<1);
+
+    for(;i<64;i++) {
+        j = scantable[i];
+        level = block[j];
+        level = level * qmat[j];
+
+//        if(   bias+level >= (1<<QMAT_SHIFT)
+//           || bias-level >= (1<<QMAT_SHIFT)){
+        if(((unsigned)(level+threshold1))>threshold2){
+            if(level>0){
+                level= (bias + level)>>QMAT_SHIFT;
+                block[j]= level;
+            }else{
+                level= (bias - level)>>QMAT_SHIFT;
+                block[j]= -level;
+            }
+            max |=level;
+            last_non_zero = i;
+        }else{
+            block[j]=0;
+        }
+    }
+    *overflow= s->max_qcoeff < max; //overflow might have happend
+    
+    /* we need this permutation so that we correct the IDCT, we only permute the !=0 elements */
+    if (s->dsp.idct_permutation_type != FF_NO_IDCT_PERM)
+       ff_block_permute(block, s->dsp.idct_permutation, scantable, last_non_zero);
+
+    return last_non_zero;
+}
+
+#endif //CONFIG_ENCODERS
+
+static void dct_unquantize_mpeg1_c(MpegEncContext *s, 
+                                   DCTELEM *block, int n, int qscale)
+{
+    int i, level, nCoeffs;
+    const uint16_t *quant_matrix;
+
+    nCoeffs= s->block_last_index[n];
+    
+    if (s->mb_intra) {
+        if (n < 4) 
+            block[0] = block[0] * s->y_dc_scale;
+        else
+            block[0] = block[0] * s->c_dc_scale;
+        /* XXX: only mpeg1 */
+        quant_matrix = s->intra_matrix;
+        for(i=1;i<=nCoeffs;i++) {
+            int j= s->intra_scantable.permutated[i];
+            level = block[j];
+            if (level) {
+                if (level < 0) {
+                    level = -level;
+                    level = (int)(level * qscale * quant_matrix[j]) >> 3;
+                    level = (level - 1) | 1;
+                    level = -level;
+                } else {
+                    level = (int)(level * qscale * quant_matrix[j]) >> 3;
+                    level = (level - 1) | 1;
+                }
+#ifdef PARANOID
+                if (level < -2048 || level > 2047)
+                    fprintf(stderr, "unquant error %d %d\n", i, level);
+#endif
+                block[j] = level;
+            }
+        }
+    } else {
+        i = 0;
+        quant_matrix = s->inter_matrix;
+        for(;i<=nCoeffs;i++) {
+            int j= s->intra_scantable.permutated[i];
+            level = block[j];
+            if (level) {
+                if (level < 0) {
+                    level = -level;
+                    level = (((level << 1) + 1) * qscale *
+                             ((int) (quant_matrix[j]))) >> 4;
+                    level = (level - 1) | 1;
+                    level = -level;
+                } else {
+                    level = (((level << 1) + 1) * qscale *
+                             ((int) (quant_matrix[j]))) >> 4;
+                    level = (level - 1) | 1;
+                }
+#ifdef PARANOID
+                if (level < -2048 || level > 2047)
+                    fprintf(stderr, "unquant error %d %d\n", i, level);
+#endif
+                block[j] = level;
+            }
+        }
+    }
+}
+
+static void dct_unquantize_mpeg2_c(MpegEncContext *s, 
+                                   DCTELEM *block, int n, int qscale)
+{
+    int i, level, nCoeffs;
+    const uint16_t *quant_matrix;
+
+    if(s->alternate_scan) nCoeffs= 63;
+    else nCoeffs= s->block_last_index[n];
+    
+    if (s->mb_intra) {
+        if (n < 4) 
+            block[0] = block[0] * s->y_dc_scale;
+        else
+            block[0] = block[0] * s->c_dc_scale;
+        quant_matrix = s->intra_matrix;
+        for(i=1;i<=nCoeffs;i++) {
+            int j= s->intra_scantable.permutated[i];
+            level = block[j];
+            if (level) {
+                if (level < 0) {
+                    level = -level;
+                    level = (int)(level * qscale * quant_matrix[j]) >> 3;
+                    level = -level;
+                } else {
+                    level = (int)(level * qscale * quant_matrix[j]) >> 3;
+                }
+#ifdef PARANOID
+                if (level < -2048 || level > 2047)
+                    fprintf(stderr, "unquant error %d %d\n", i, level);
+#endif
+                block[j] = level;
+            }
+        }
+    } else {
+        int sum=-1;
+        i = 0;
+        quant_matrix = s->inter_matrix;
+        for(;i<=nCoeffs;i++) {
+            int j= s->intra_scantable.permutated[i];
+            level = block[j];
+            if (level) {
+                if (level < 0) {
+                    level = -level;
+                    level = (((level << 1) + 1) * qscale *
+                             ((int) (quant_matrix[j]))) >> 4;
+                    level = -level;
+                } else {
+                    level = (((level << 1) + 1) * qscale *
+                             ((int) (quant_matrix[j]))) >> 4;
+                }
+#ifdef PARANOID
+                if (level < -2048 || level > 2047)
+                    fprintf(stderr, "unquant error %d %d\n", i, level);
+#endif
+                block[j] = level;
+                sum+=level;
+            }
+        }
+        block[63]^=sum&1;
+    }
+}
+
+
+static void dct_unquantize_h263_c(MpegEncContext *s, 
+                                  DCTELEM *block, int n, int qscale)
+{
+    int i, level, qmul, qadd;
+    int nCoeffs;
+    
+    assert(s->block_last_index[n]>=0);
+    
+    qadd = (qscale - 1) | 1;
+    qmul = qscale << 1;
+    
+    if (s->mb_intra) {
+        if (!s->h263_aic) {
+            if (n < 4) 
+                block[0] = block[0] * s->y_dc_scale;
+            else
+                block[0] = block[0] * s->c_dc_scale;
+        }else
+            qadd = 0;
+        i = 1;
+        nCoeffs= 63; //does not allways use zigzag table 
+    } else {
+        i = 0;
+        nCoeffs= s->inter_scantable.raster_end[ s->block_last_index[n] ];
+    }
+
+    for(;i<=nCoeffs;i++) {
+        level = block[i];
+        if (level) {
+            if (level < 0) {
+                level = level * qmul - qadd;
+            } else {
+                level = level * qmul + qadd;
+            }
+#ifdef PARANOID
+                if (level < -2048 || level > 2047)
+                    fprintf(stderr, "unquant error %d %d\n", i, level);
+#endif
+            block[i] = level;
+        }
+    }
+}
+
+
+static const AVOption mpeg4_options[] =
+{
+    AVOPTION_CODEC_INT("bitrate", "desired video bitrate", bit_rate, 4, 240000000, 800000),
+    AVOPTION_CODEC_INT("ratetol", "number of bits the bitstream is allowed to diverge from the reference"
+                      "the reference can be CBR (for CBR pass1) or VBR (for pass2)",
+                      bit_rate_tolerance, 4, 240000000, 8000),
+    AVOPTION_CODEC_INT("qmin", "minimum quantizer", qmin, 1, 31, 2),
+    AVOPTION_CODEC_INT("qmax", "maximum quantizer", qmax, 1, 31, 31),
+    AVOPTION_CODEC_STRING("rc_eq", "rate control equation",
+                         rc_eq, "tex^qComp,option1,options2", 0),
+    AVOPTION_CODEC_INT("rc_minrate", "rate control minimum bitrate",
+                      rc_min_rate, 4, 24000000, 0),
+    AVOPTION_CODEC_INT("rc_maxrate", "rate control maximum bitrate",
+                      rc_max_rate, 4, 24000000, 0),
+    AVOPTION_CODEC_DOUBLE("rc_buf_aggresivity", "rate control buffer aggresivity",
+                         rc_buffer_aggressivity, 4, 24000000, 0),
+    AVOPTION_CODEC_DOUBLE("rc_initial_cplx", "initial complexity for pass1 ratecontrol",
+                         rc_initial_cplx, 0., 9999999., 0),
+    AVOPTION_CODEC_DOUBLE("i_quant_factor", "qscale factor between p and i frames",
+                         i_quant_factor, 0., 0., 0),
+    AVOPTION_CODEC_DOUBLE("i_quant_offset", "qscale offset between p and i frames",
+                         i_quant_factor, -999999., 999999., 0),
+    AVOPTION_CODEC_INT("dct_algo", "dct alghorithm",
+                      dct_algo, 0, 5, 0), // fixme - "Auto,FastInt,Int,MMX,MLib,Altivec"
+    AVOPTION_CODEC_DOUBLE("lumi_masking", "luminance masking",
+                         lumi_masking, 0., 999999., 0),
+    AVOPTION_CODEC_DOUBLE("temporal_cplx_masking", "temporary complexity masking",
+                         temporal_cplx_masking, 0., 999999., 0),
+    AVOPTION_CODEC_DOUBLE("spatial_cplx_masking", "spatial complexity masking",
+                         spatial_cplx_masking, 0., 999999., 0),
+    AVOPTION_CODEC_DOUBLE("p_masking", "p block masking",
+                         p_masking, 0., 999999., 0),
+    AVOPTION_CODEC_DOUBLE("dark_masking", "darkness masking",
+                         dark_masking, 0., 999999., 0),
+    AVOPTION_CODEC_INT("idct_algo", "idct alghorithm",
+                      idct_algo, 0, 8, 0), // fixme - "Auto,Int,Simple,SimpleMMX,LibMPEG2MMX,PS2,MLib,ARM,Altivec"
+
+    AVOPTION_CODEC_INT("mb_qmin", "minimum MB quantizer",
+                      mb_qmin, 0, 8, 0),
+    AVOPTION_CODEC_INT("mb_qmax", "maximum MB quantizer",
+                      mb_qmin, 0, 8, 0),
+
+    AVOPTION_CODEC_INT("me_cmp", "ME compare function",
+                      me_cmp, 0, 24000000, 0),
+    AVOPTION_CODEC_INT("me_sub_cmp", "subpixel ME compare function",
+                      me_sub_cmp, 0, 24000000, 0),
+
+
+    AVOPTION_CODEC_INT("dia_size", "ME diamond size & shape",
+                      dia_size, 0, 24000000, 0),
+    AVOPTION_CODEC_INT("last_predictor_count", "amount of previous MV predictors",
+                      last_predictor_count, 0, 24000000, 0),
+
+    AVOPTION_CODEC_INT("pre_me", "pre pass for ME",
+                      pre_me, 0, 24000000, 0),
+    AVOPTION_CODEC_INT("me_pre_cmp", "ME pre pass compare function",
+                      me_pre_cmp, 0, 24000000, 0),
+
+    AVOPTION_CODEC_INT("me_range", "maximum ME search range",
+                      me_range, 0, 24000000, 0),
+    AVOPTION_CODEC_INT("pre_dia_size", "ME pre pass diamod size & shape",
+                      pre_dia_size, 0, 24000000, 0),
+    AVOPTION_CODEC_INT("me_subpel_quality", "subpel ME quality",
+                      me_subpel_quality, 0, 24000000, 0),
+    AVOPTION_CODEC_INT("me_range", "maximum ME search range",
+                      me_range, 0, 24000000, 0),
+    AVOPTION_CODEC_FLAG("psnr", "calculate PSNR of compressed frames",
+                       flags, CODEC_FLAG_PSNR, 0),
+    AVOPTION_CODEC_RCOVERRIDE("rc_override", "ratecontrol override (=startframe,endframe,qscale,quality_factor)",
+                             rc_override),
+    AVOPTION_SUB(avoptions_common),
+    AVOPTION_END()
+};
+
+#ifdef CONFIG_ENCODERS
+
+AVCodec mpeg1video_encoder = {
+    "mpeg1video",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_MPEG1VIDEO,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+};
+
+#ifdef CONFIG_RISKY
+
+AVCodec mpeg2video_encoder = {
+    "mpeg2video",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_MPEG2VIDEO,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+};
+
+AVCodec h263_encoder = {
+    "h263",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_H263,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+};
+
+AVCodec h263p_encoder = {
+    "h263p",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_H263P,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+};
+
+AVCodec flv_encoder = {
+    "flv",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_FLV1,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+};
+
+AVCodec rv10_encoder = {
+    "rv10",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_RV10,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+};
+
+AVCodec mpeg4_encoder = {
+    "mpeg4",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_MPEG4,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+    .options = mpeg4_options,
+};
+
+AVCodec msmpeg4v1_encoder = {
+    "msmpeg4v1",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_MSMPEG4V1,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+    .options = mpeg4_options,
+};
+
+AVCodec msmpeg4v2_encoder = {
+    "msmpeg4v2",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_MSMPEG4V2,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+    .options = mpeg4_options,
+};
+
+AVCodec msmpeg4v3_encoder = {
+    "msmpeg4",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_MSMPEG4V3,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+    .options = mpeg4_options,
+};
+
+AVCodec wmv1_encoder = {
+    "wmv1",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_WMV1,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+    .options = mpeg4_options,
+};
+
+#endif
+
+AVCodec mjpeg_encoder = {
+    "mjpeg",
+    CODEC_TYPE_VIDEO,
+    CODEC_ID_MJPEG,
+    sizeof(MpegEncContext),
+    MPV_encode_init,
+    MPV_encode_picture,
+    MPV_encode_end,
+};
+
+#endif //CONFIG_ENCODERS
+