case CODEC_ID_MPEG4:
break;
case CODEC_ID_MSMPEG4V1:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=1;
break;
case CODEC_ID_MSMPEG4V2:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=2;
break;
case CODEC_ID_MSMPEG4V3:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=3;
break;
case CODEC_ID_WMV1:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=4;
break;
case CODEC_ID_WMV2:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=5;
break;
case CODEC_ID_VC1:
case CODEC_ID_WMV3:
- s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->msmpeg4_version=6;
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
if( s->codec_id==CODEC_ID_MPEG4
&& (s->workaround_bugs&FF_BUG_AUTODETECT)
&& get_bits_left(&s->gb) >=0
- && get_bits_left(&s->gb) < 48
+ && get_bits_left(&s->gb) < 137
// && !s->resync_marker
&& !s->data_partitioning){
/* We need to set current_picture_ptr before reading the header,
* otherwise we cannot store anyting in there */
- if(s->current_picture_ptr==NULL || s->current_picture_ptr->data[0]){
+ if (s->current_picture_ptr == NULL || s->current_picture_ptr->f.data[0]) {
int i= ff_find_unused_picture(s, 0);
s->current_picture_ptr= &s->picture[i];
}
s->gob_index = ff_h263_get_gob_height(s);
// for skipping the frame
- s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == AV_PICTURE_TYPE_I;
+ s->current_picture.f.pict_type = s->pict_type;
+ s->current_picture.f.key_frame = s->pict_type == AV_PICTURE_TYPE_I;
/* skip B-frames if we don't have reference frames */
if(s->last_picture_ptr==NULL && (s->pict_type==AV_PICTURE_TYPE_B || s->dropable)) return get_consumed_bytes(s, buf_size);
s->mb_x=0;
s->mb_y=0;
- decode_slice(s);
+ ret = decode_slice(s);
while(s->mb_y<s->mb_height){
if(s->msmpeg4_version){
if(s->slice_height==0 || s->mb_x!=0 || (s->mb_y%s->slice_height)!=0 || get_bits_count(&s->gb) > s->gb.size_in_bits)
break;
}else{
+ int prev_x=s->mb_x, prev_y=s->mb_y;
if(ff_h263_resync(s)<0)
break;
+ if (prev_y * s->mb_width + prev_x < s->mb_y * s->mb_width + s->mb_x)
+ s->error_occurred = 1;
}
if(s->msmpeg4_version<4 && s->h263_pred)
ff_mpeg4_clean_buffers(s);
- decode_slice(s);
+ if (decode_slice(s) < 0) ret = AVERROR_INVALIDDATA;
}
- if (s->h263_msmpeg4 && s->msmpeg4_version<4 && s->pict_type==AV_PICTURE_TYPE_I)
+ if (s->msmpeg4_version && s->msmpeg4_version<4 && s->pict_type==AV_PICTURE_TYPE_I)
if(!CONFIG_MSMPEG4_DECODER || msmpeg4_decode_ext_header(s, buf_size) < 0){
s->error_status_table[s->mb_num-1]= AC_ERROR|DC_ERROR|MV_ERROR;
}
MPV_frame_end(s);
-assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
-assert(s->current_picture.pict_type == s->pict_type);
+ assert(s->current_picture.f.pict_type == s->current_picture_ptr->f.pict_type);
+ assert(s->current_picture.f.pict_type == s->pict_type);
if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
av_log(avctx, AV_LOG_DEBUG, "%"PRId64"\n", rdtsc()-time);
#endif
- return get_consumed_bytes(s, buf_size);
+ return (ret && avctx->error_recognition >= FF_ER_EXPLODE)?ret:get_consumed_bytes(s, buf_size);
}
AVCodec ff_h263_decoder = {
- "h263",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_H263,
- sizeof(MpegEncContext),
- ff_h263_decode_init,
- NULL,
- ff_h263_decode_end,
- ff_h263_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
+ .name = "h263",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_H263,
+ .priv_data_size = sizeof(MpegEncContext),
+ .init = ff_h263_decode_init,
+ .close = ff_h263_decode_end,
+ .decode = ff_h263_decode_frame,
+ .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
.max_lowres= 3,
.long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),