+++ /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
-
projects / synfig.git / blobdiff