--- /dev/null
+/*
+ * 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
+