/*
- * H263 decoder
+ * H.263 decoder
* Copyright (c) 2001 Fabrice Bellard.
*
* This library is free software; you can redistribute it and/or
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+
+/**
+ * @file h263dec.c
+ * H.263 decoder.
+ */
+
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
-#if 1
-#define PRINT_QP(a, b) {}
-#else
-#define PRINT_QP(a, b) printf(a, b)
-#endif
-
//#define DEBUG
//#define PRINT_FRAME_TIME
#ifdef PRINT_FRAME_TIME
case CODEC_ID_H263I:
s->h263_intel = 1;
break;
+ case CODEC_ID_FLV1:
+ s->h263_flv = 1;
+ break;
default:
return -1;
}
static int get_consumed_bytes(MpegEncContext *s, int buf_size){
int pos= (get_bits_count(&s->gb)+7)>>3;
- if(s->divx_version>=500){
+ if(s->divx_packed){
//we would have to scan through the whole buf to handle the weird reordering ...
return buf_size;
}else if(s->flags&CODEC_FLAG_TRUNCATED){
}
static int decode_slice(MpegEncContext *s){
+ const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
s->last_resync_gb= s->gb;
s->first_slice_line= 1;
return -1;
}
- /* restore variables which where modified */
+ /* restore variables which were modified */
s->first_slice_line=1;
s->mb_x= s->resync_mb_x;
s->mb_y= s->resync_mb_y;
/* per-row end of slice checks */
if(s->msmpeg4_version){
if(s->resync_mb_y + s->slice_height == s->mb_y){
- const int xy= s->mb_x + s->mb_y*s->mb_width;
- s->error_status_table[xy-1]|= AC_END|DC_END|MV_END;
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
+
return 0;
}
}
// s->mb_skiped = 0;
//printf("%d %d %06X\n", ret, get_bits_count(&s->gb), show_bits(&s->gb, 24));
ret= s->decode_mb(s, s->block);
-
- PRINT_QP("%2d", s->qscale);
- MPV_decode_mb(s, s->block);
+
+ if (s->pict_type!=B_TYPE)
+ ff_h263_update_motion_val(s);
if(ret<0){
- const int xy= s->mb_x + s->mb_y*s->mb_width;
+ const int xy= s->mb_x + s->mb_y*s->mb_stride;
if(ret==SLICE_END){
+ MPV_decode_mb(s, s->block);
+
//printf("%d %d %d %06X\n", s->mb_x, s->mb_y, s->gb.size*8 - get_bits_count(&s->gb), show_bits(&s->gb, 24));
- s->error_status_table[xy]|= AC_END;
- if(!s->partitioned_frame)
- s->error_status_table[xy]|= MV_END|DC_END;
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
s->padding_bug_score--;
if(++s->mb_x >= s->mb_width){
s->mb_x=0;
- ff_draw_horiz_band(s);
+ ff_draw_horiz_band(s, s->mb_y*16, 16);
s->mb_y++;
}
return 0;
}else if(ret==SLICE_NOEND){
fprintf(stderr,"Slice mismatch at MB: %d\n", xy);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x+1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
return -1;
}
fprintf(stderr,"Error at MB: %d\n", xy);
- s->error_status_table[xy]|= AC_ERROR;
- if(!s->partitioned_frame)
- s->error_status_table[xy]|= DC_ERROR|MV_ERROR;
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
return -1;
}
+
+ MPV_decode_mb(s, s->block);
}
- ff_draw_horiz_band(s);
-
- PRINT_QP("%s", "\n");
+ ff_draw_horiz_band(s, s->mb_y*16, 16);
s->mb_x= 0;
}
/* try to detect the padding bug */
if( s->codec_id==CODEC_ID_MPEG4
&& (s->workaround_bugs&FF_BUG_AUTODETECT)
- && s->gb.size*8 - get_bits_count(&s->gb) >=0
- && s->gb.size*8 - get_bits_count(&s->gb) < 48
+ && s->gb.size_in_bits - get_bits_count(&s->gb) >=0
+ && s->gb.size_in_bits - get_bits_count(&s->gb) < 48
// && !s->resync_marker
&& !s->data_partitioning){
const int bits_count= get_bits_count(&s->gb);
- const int bits_left = s->gb.size*8 - bits_count;
+ const int bits_left = s->gb.size_in_bits - bits_count;
- if(bits_left==0 || bits_left>8){
+ if(bits_left==0){
+ s->padding_bug_score+=16;
+ }else if(bits_left>8){
s->padding_bug_score++;
} else if(bits_left != 1){
int v= show_bits(&s->gb, 8);
s->padding_bug_score--;
else
s->padding_bug_score++;
- }
-
- if(s->padding_bug_score > -2)
- s->workaround_bugs |= FF_BUG_NO_PADDING;
- else
- s->workaround_bugs &= ~FF_BUG_NO_PADDING;
+ }
}
// handle formats which dont have unique end markers
if(s->msmpeg4_version || (s->workaround_bugs&FF_BUG_NO_PADDING)){ //FIXME perhaps solve this more cleanly
- int left= s->gb.size*8 - get_bits_count(&s->gb);
+ int left= s->gb.size_in_bits - get_bits_count(&s->gb);
int max_extra=7;
/* no markers in M$ crap */
else if(left<0){
fprintf(stderr, "overreading %d bits\n", -left);
}else
- s->error_status_table[s->mb_num-1]|= AC_END|MV_END|DC_END;
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, AC_END|DC_END|MV_END);
return 0;
}
- fprintf(stderr, "slice end not reached but screenspace end (%d left %06X)\n",
- s->gb.size*8 - get_bits_count(&s->gb),
- show_bits(&s->gb, 24));
+ fprintf(stderr, "slice end not reached but screenspace end (%d left %06X, score= %d)\n",
+ s->gb.size_in_bits - get_bits_count(&s->gb),
+ show_bits(&s->gb, 24), s->padding_bug_score);
+
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
+
return -1;
}
* finds the end of the current frame in the bitstream.
* @return the position of the first byte of the next frame, or -1
*/
-static int mpeg4_find_frame_end(MpegEncContext *s, UINT8 *buf, int buf_size){
+static int mpeg4_find_frame_end(MpegEncContext *s, uint8_t *buf, int buf_size){
ParseContext *pc= &s->parse_context;
int vop_found, i;
uint32_t state;
}
}
}
-
- for(; i<buf_size; i++){
+
+ if(vop_found){
+ for(; i<buf_size; i++){
state= (state<<8) | buf[i];
if((state&0xFFFFFF00) == 0x100){
pc->frame_start_found=0;
pc->state=-1;
return i-3;
}
+ }
}
pc->frame_start_found= vop_found;
pc->state= state;
- return -1;
+ return END_NOT_FOUND;
}
-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;
-
- ex= clip(ex, 0, w-1);
- ey= clip(ey, 0, h-1);
+static int h263_find_frame_end(MpegEncContext *s, uint8_t *buf, int buf_size){
+ ParseContext *pc= &s->parse_context;
+ int vop_found, i;
+ uint32_t state;
- buf[sy*stride + sx]+= color;
+ vop_found= pc->frame_start_found;
+ state= pc->state;
- 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;
+ i=0;
+ if(!vop_found){
+ for(i=0; i<buf_size; i++){
+ state= (state<<8) | buf[i];
+ if(state>>(32-22) == 0x20){
+ i++;
+ vop_found=1;
+ break;
+ }
}
- 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;
+ }
+
+ if(vop_found){
+ for(; i<buf_size; i++){
+ state= (state<<8) | buf[i];
+ if(state>>(32-22) == 0x20){
+ pc->frame_start_found=0;
+ pc->state=-1;
+ return i-3;
}
+ }
}
+ pc->frame_start_found= vop_found;
+ pc->state= state;
+
+ return END_NOT_FOUND;
}
int ff_h263_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- UINT8 *buf, int buf_size)
+ uint8_t *buf, int buf_size)
{
MpegEncContext *s = avctx->priv_data;
- int ret,i;
+ int ret;
AVFrame *pict = data;
float new_aspect;
s->flags= avctx->flags;
*data_size = 0;
-
- /* no supplementary picture */
+
+ /* no supplementary picture */
if (buf_size == 0) {
+ /* special case for last picture */
+ if (s->low_delay==0 && s->next_picture_ptr) {
+ *pict= *(AVFrame*)s->next_picture_ptr;
+ s->next_picture_ptr= NULL;
+
+ *data_size = sizeof(AVFrame);
+ }
+
return 0;
}
-
+
if(s->flags&CODEC_FLAG_TRUNCATED){
int next;
- ParseContext *pc= &s->parse_context;
- pc->last_index= pc->index;
-
if(s->codec_id==CODEC_ID_MPEG4){
next= mpeg4_find_frame_end(s, buf, buf_size);
+ }else if(s->codec_id==CODEC_ID_H263){
+ next= h263_find_frame_end(s, buf, buf_size);
}else{
fprintf(stderr, "this codec doesnt support truncated bitstreams\n");
return -1;
}
- if(next==-1){
- if(buf_size + FF_INPUT_BUFFER_PADDING_SIZE + pc->index > pc->buffer_size){
- pc->buffer_size= buf_size + pc->index + 10*1024;
- pc->buffer= realloc(pc->buffer, pc->buffer_size);
- }
-
- memcpy(&pc->buffer[pc->index], buf, buf_size);
- pc->index += buf_size;
+
+ if( ff_combine_frame(s, next, &buf, &buf_size) < 0 )
return buf_size;
- }
-
- if(pc->index){
- if(next + FF_INPUT_BUFFER_PADDING_SIZE + pc->index > pc->buffer_size){
- pc->buffer_size= next + pc->index + 10*1024;
- pc->buffer= realloc(pc->buffer, pc->buffer_size);
- }
-
- memcpy(&pc->buffer[pc->index], buf, next + FF_INPUT_BUFFER_PADDING_SIZE );
- pc->index = 0;
- buf= pc->buffer;
- buf_size= pc->last_index + next;
- }
}
retry:
if(s->bitstream_buffer_size && buf_size<20){ //divx 5.01+ frame reorder
- init_get_bits(&s->gb, s->bitstream_buffer, s->bitstream_buffer_size);
+ init_get_bits(&s->gb, s->bitstream_buffer, s->bitstream_buffer_size*8);
}else
- init_get_bits(&s->gb, buf, buf_size);
+ init_get_bits(&s->gb, buf, buf_size*8);
s->bitstream_buffer_size=0;
if (!s->context_initialized) {
if(s->avctx->extradata_size && s->picture_number==0){
GetBitContext gb;
- init_get_bits(&gb, s->avctx->extradata, s->avctx->extradata_size);
+ init_get_bits(&gb, s->avctx->extradata, s->avctx->extradata_size*8);
ret = ff_mpeg4_decode_picture_header(s, &gb);
}
ret = ff_mpeg4_decode_picture_header(s, &s->gb);
s->low_delay=1;
} else if (s->h263_intel) {
ret = intel_h263_decode_picture_header(s);
+ } else if (s->h263_flv) {
+ ret = flv_h263_decode_picture_header(s);
} else {
ret = h263_decode_picture_header(s);
}
+
+ if(ret==FRAME_SKIPED) return get_consumed_bytes(s, buf_size);
+
+ /* skip if the header was thrashed */
+ if (ret < 0){
+ fprintf(stderr, "header damaged\n");
+ return -1;
+ }
+
avctx->has_b_frames= !s->low_delay;
+
+ if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){
+ if(s->avctx->stream_codec_tag == ff_get_fourcc("XVID") ||
+ s->avctx->codec_tag == ff_get_fourcc("XVID") || s->avctx->codec_tag == ff_get_fourcc("XVIX"))
+ s->xvid_build= -1;
+#if 0
+ if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==1
+ && s->padding_bug_score > 0 && s->low_delay) // XVID with modified fourcc
+ s->xvid_build= -1;
+#endif
+ }
+
+ if(s->xvid_build==0 && s->divx_version==0 && s->lavc_build==0){
+ if(s->avctx->codec_tag == ff_get_fourcc("DIVX") && s->vo_type==0 && s->vol_control_parameters==0)
+ s->divx_version= 400; //divx 4
+ }
if(s->workaround_bugs&FF_BUG_AUTODETECT){
- if(s->avctx->fourcc == ff_get_fourcc("XVIX"))
- s->workaround_bugs|= FF_BUG_XVID_ILACE;
-#if 0
- if(s->avctx->fourcc == ff_get_fourcc("MP4S"))
- s->workaround_bugs|= FF_BUG_AC_VLC;
+ s->workaround_bugs &= ~FF_BUG_NO_PADDING;
- if(s->avctx->fourcc == ff_get_fourcc("M4S2"))
- s->workaround_bugs|= FF_BUG_AC_VLC;
-#endif
- if(s->avctx->fourcc == ff_get_fourcc("UMP4")){
+ if(s->padding_bug_score > -2 && !s->data_partitioning && (s->divx_version || !s->resync_marker))
+ s->workaround_bugs |= FF_BUG_NO_PADDING;
+
+ if(s->avctx->codec_tag == ff_get_fourcc("XVIX"))
+ s->workaround_bugs|= FF_BUG_XVID_ILACE;
+
+ if(s->avctx->codec_tag == ff_get_fourcc("UMP4")){
s->workaround_bugs|= FF_BUG_UMP4;
- s->workaround_bugs|= FF_BUG_AC_VLC;
}
- if(s->divx_version){
+ if(s->divx_version>=500){
s->workaround_bugs|= FF_BUG_QPEL_CHROMA;
}
- if(s->avctx->fourcc == ff_get_fourcc("XVID") && s->xvid_build==0)
- s->workaround_bugs|= FF_BUG_QPEL_CHROMA;
-
- if(s->avctx->fourcc == ff_get_fourcc("XVID") && s->xvid_build==0)
- s->padding_bug_score= 256*256*256*64;
-
+ if(s->divx_version>502){
+ s->workaround_bugs|= FF_BUG_QPEL_CHROMA2;
+ }
+
if(s->xvid_build && s->xvid_build<=3)
s->padding_bug_score= 256*256*256*64;
if(s->xvid_build && s->xvid_build<=1)
s->workaround_bugs|= FF_BUG_QPEL_CHROMA;
+ if(s->xvid_build && s->xvid_build<=12)
+ s->workaround_bugs|= FF_BUG_EDGE;
+
#define SET_QPEL_FUNC(postfix1, postfix2) \
s->dsp.put_ ## postfix1 = ff_put_ ## postfix2;\
s->dsp.put_no_rnd_ ## postfix1 = ff_put_no_rnd_ ## postfix2;\
if(s->lavc_build && s->lavc_build<4653)
s->workaround_bugs|= FF_BUG_STD_QPEL;
+ if(s->lavc_build && s->lavc_build<4655)
+ s->workaround_bugs|= FF_BUG_DIRECT_BLOCKSIZE;
+
+ if(s->lavc_build && s->lavc_build<4670){
+ s->workaround_bugs|= FF_BUG_EDGE;
+ }
+
+ if(s->divx_version)
+ s->workaround_bugs|= FF_BUG_DIRECT_BLOCKSIZE;
//printf("padding_bug_score: %d\n", s->padding_bug_score);
+ if(s->divx_version==501 && s->divx_build==20020416)
+ s->padding_bug_score= 256*256*256*64;
+
+ if(s->divx_version && s->divx_version<500){
+ s->workaround_bugs|= FF_BUG_EDGE;
+ }
+
#if 0
if(s->divx_version==500)
- s->workaround_bugs|= FF_BUG_NO_PADDING;
+ s->padding_bug_score= 256*256*256*64;
/* very ugly XVID padding bug detection FIXME/XXX solve this differently
* lets hope this at least works
SET_QPEL_FUNC(qpel_pixels_tab[1][15], qpel8_mc33_old_c)
}
+ if(avctx->debug & FF_DEBUG_BUGS)
+ printf("bugs: %X lavc_build:%d xvid_build:%d divx_version:%d divx_build:%d %s\n",
+ s->workaround_bugs, s->lavc_build, s->xvid_build, s->divx_version, s->divx_build,
+ s->divx_packed ? "p" : "");
+
#if 0 // dump bits per frame / qp / complexity
{
static FILE *f=NULL;
|| ABS(new_aspect - avctx->aspect_ratio) > 0.001) {
/* H.263 could change picture size any time */
MPV_common_end(s);
- s->context_initialized=0;
}
if (!s->context_initialized) {
avctx->width = s->width;
if((s->codec_id==CODEC_ID_H263 || s->codec_id==CODEC_ID_H263P))
s->gob_index = ff_h263_get_gob_height(s);
-
- if(ret==FRAME_SKIPED) return get_consumed_bytes(s, buf_size);
- /* skip if the header was thrashed */
- if (ret < 0){
- fprintf(stderr, "header damaged\n");
- return -1;
- }
// for hurry_up==5
s->current_picture.pict_type= s->pict_type;
s->current_picture.key_frame= s->pict_type == I_TYPE;
/* skip b frames if we dont have reference frames */
- if(s->last_picture.data[0]==NULL && s->pict_type==B_TYPE) return get_consumed_bytes(s, buf_size);
+ if(s->last_picture_ptr==NULL && s->pict_type==B_TYPE) return get_consumed_bytes(s, buf_size);
/* skip b frames if we are in a hurry */
if(avctx->hurry_up && s->pict_type==B_TYPE) return get_consumed_bytes(s, buf_size);
/* skip everything if we are in a hurry>=5 */
printf("qscale=%d\n", s->qscale);
#endif
- if(s->error_resilience)
- memset(s->error_status_table, MV_ERROR|AC_ERROR|DC_ERROR|VP_START|AC_END|DC_END|MV_END, s->mb_num*sizeof(UINT8));
+ ff_er_frame_start(s);
+ //the second part of the wmv2 header contains the MB skip bits which are stored in current_picture->mb_type
+ //which isnt available before MPV_frame_start()
+ if (s->msmpeg4_version==5){
+ if(ff_wmv2_decode_secondary_picture_header(s) < 0)
+ return -1;
+ }
+
/* decode each macroblock */
- 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;
s->mb_x=0;
s->mb_y=0;
decode_slice(s);
- s->error_status_table[0]|= VP_START;
- while(s->mb_y<s->mb_height && s->gb.size*8 - get_bits_count(&s->gb)>16){
+ while(s->mb_y<s->mb_height){
if(s->msmpeg4_version){
- if(s->mb_x!=0 || (s->mb_y%s->slice_height)!=0)
+ if(s->mb_x!=0 || (s->mb_y%s->slice_height)!=0 || get_bits_count(&s->gb) > s->gb.size_in_bits)
break;
}else{
if(ff_h263_resync(s)<0)
ff_mpeg4_clean_buffers(s);
decode_slice(s);
-
- s->error_status_table[s->resync_mb_x + s->resync_mb_y*s->mb_width]|= VP_START;
}
if (s->h263_msmpeg4 && s->msmpeg4_version<4 && s->pict_type==I_TYPE)
}
/* divx 5.01+ bistream reorder stuff */
- if(s->codec_id==CODEC_ID_MPEG4 && s->bitstream_buffer_size==0 && s->divx_version>=500){
+ if(s->codec_id==CODEC_ID_MPEG4 && s->bitstream_buffer_size==0 && s->divx_packed){
int current_pos= get_bits_count(&s->gb)>>3;
if( buf_size - current_pos > 5
}
}
- if(s->error_resilience){
- int error=0, num_end_markers=0;
- for(i=0; i<s->mb_num; i++){
- int status= s->error_status_table[i];
-#if 0
- if(i%s->mb_width == 0) printf("\n");
- printf("%2X ", status);
-#endif
- if(status==0) continue;
-
- if(status&(DC_ERROR|AC_ERROR|MV_ERROR))
- error=1;
- if(status&VP_START){
- if(num_end_markers)
- error=1;
- num_end_markers=3;
- }
- if(status&AC_END)
- num_end_markers--;
- if(status&DC_END)
- num_end_markers--;
- if(status&MV_END)
- num_end_markers--;
- }
- if(num_end_markers || error){
- fprintf(stderr, "concealing errors\n");
- ff_error_resilience(s);
- }
- }
+ ff_er_frame_end(s);
MPV_frame_end(s);
- if((avctx->debug&FF_DEBUG_VIS_MV) && s->last_picture.data[0]){
- const int shift= 1 + s->quarter_sample;
- int mb_y;
- uint8_t *ptr= s->last_picture.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_width;
- if(s->co_located_type_table[mb_index] == MV_TYPE_8X8){
- 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_line(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_line(ptr, sx, sy, mx, my, s->width, s->height, s->linesize, 100);
- }
- s->mbskip_table[mb_index]=0;
- }
- }
- }
-
-
+assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
+assert(s->current_picture.pict_type == s->pict_type);
if(s->pict_type==B_TYPE || s->low_delay){
*pict= *(AVFrame*)&s->current_picture;
+ ff_print_debug_info(s, s->current_picture_ptr);
} else {
*pict= *(AVFrame*)&s->last_picture;
- }
-
- if(avctx->debug&FF_DEBUG_QP){
- int8_t *qtab= pict->qscale_table;
- int x,y;
-
- for(y=0; y<s->mb_height; y++){
- for(x=0; x<s->mb_width; x++){
- printf("%2d ", qtab[x + y*s->mb_width]);
- }
- printf("\n");
- }
- printf("\n");
+ ff_print_debug_info(s, s->last_picture_ptr);
}
/* Return the Picture timestamp as the frame number */
avctx->frame_number = s->picture_number - 1;
/* dont output the last pic after seeking */
- if(s->last_picture.data[0] || s->low_delay)
+ if(s->last_picture_ptr || s->low_delay)
*data_size = sizeof(AVFrame);
#ifdef PRINT_FRAME_TIME
printf("%Ld\n", rdtsc()-time);
#endif
+
return get_consumed_bytes(s, buf_size);
}
+static const AVOption mpeg4_decoptions[] =
+{
+ AVOPTION_SUB(avoptions_workaround_bug),
+ AVOPTION_END()
+};
+
AVCodec mpeg4_decoder = {
"mpeg4",
CODEC_TYPE_VIDEO,
ff_h263_decode_end,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED,
+ .options = mpeg4_decoptions,
+ .flush= ff_mpeg_flush,
};
AVCodec h263_decoder = {
NULL,
ff_h263_decode_end,
ff_h263_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+ CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED,
+ .flush= ff_mpeg_flush,
};
AVCodec msmpeg4v1_decoder = {
ff_h263_decode_end,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+ mpeg4_decoptions,
};
AVCodec msmpeg4v2_decoder = {
ff_h263_decode_end,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+ mpeg4_decoptions,
};
AVCodec msmpeg4v3_decoder = {
ff_h263_decode_end,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+ .options = mpeg4_decoptions,
};
AVCodec wmv1_decoder = {
ff_h263_decode_end,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+ mpeg4_decoptions,
};
AVCodec h263i_decoder = {
ff_h263_decode_end,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1,
+ mpeg4_decoptions,
};
+AVCodec flv_decoder = {
+ "flv",
+ CODEC_TYPE_VIDEO,
+ CODEC_ID_FLV1,
+ sizeof(MpegEncContext),
+ ff_h263_decode_init,
+ NULL,
+ ff_h263_decode_end,
+ ff_h263_decode_frame,
+ CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1
+};
projects / ffmpeg / blobdiff