s->workaround_bugs= avctx->workaround_bugs;
// set defaults
- MPV_decode_defaults(s);
+ ff_MPV_decode_defaults(s);
s->quant_precision=5;
s->decode_mb= ff_h263_decode_mb;
s->low_delay= 1;
break;
case CODEC_ID_VC1:
case CODEC_ID_WMV3:
+ case CODEC_ID_VC1IMAGE:
+ case CODEC_ID_WMV3IMAGE:
s->h263_pred = 1;
s->msmpeg4_version=6;
avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
/* for h263, we allocate the images after having read the header */
if (avctx->codec->id != CODEC_ID_H263 && avctx->codec->id != CODEC_ID_MPEG4)
- if (MPV_common_init(s) < 0)
+ if (ff_MPV_common_init(s) < 0)
return -1;
- h263_decode_init_vlc(s);
+ ff_h263_decode_init_vlc(s);
return 0;
}
{
MpegEncContext *s = avctx->priv_data;
- MPV_common_end(s);
+ ff_MPV_common_end(s);
return 0;
}
/**
- * returns the number of bytes consumed for building the current frame
+ * Return the number of bytes consumed for building the current frame.
*/
static int get_consumed_bytes(MpegEncContext *s, int buf_size){
int pos= (get_bits_count(&s->gb)+7)>>3;
}
static int decode_slice(MpegEncContext *s){
- const int part_mask= s->partitioned_frame ? (AC_END|AC_ERROR) : 0x7F;
+ const int part_mask= s->partitioned_frame ? (ER_AC_END|ER_AC_ERROR) : 0x7F;
const int mb_size= 16>>s->avctx->lowres;
s->last_resync_gb= s->gb;
s->first_slice_line= 1;
/* per-row end of slice checks */
if(s->msmpeg4_version){
if(s->resync_mb_y + s->slice_height == s->mb_y){
- 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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_MB_END);
return 0;
}
if(ret<0){
const int xy= s->mb_x + s->mb_y*s->mb_stride;
if(ret==SLICE_END){
- MPV_decode_mb(s, s->block);
+ ff_MPV_decode_mb(s, s->block);
if(s->loop_filter)
ff_h263_loop_filter(s);
//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));
- 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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_MB_END&part_mask);
s->padding_bug_score--;
if(++s->mb_x >= s->mb_width){
s->mb_x=0;
ff_draw_horiz_band(s, s->mb_y*mb_size, mb_size);
- MPV_report_decode_progress(s);
+ ff_MPV_report_decode_progress(s);
s->mb_y++;
}
return 0;
}else if(ret==SLICE_NOEND){
av_log(s->avctx, AV_LOG_ERROR, "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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x+1, s->mb_y, ER_MB_END&part_mask);
return -1;
}
av_log(s->avctx, AV_LOG_ERROR, "Error at MB: %d\n", xy);
- 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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_MB_ERROR&part_mask);
return -1;
}
- MPV_decode_mb(s, s->block);
+ ff_MPV_decode_mb(s, s->block);
if(s->loop_filter)
ff_h263_loop_filter(s);
}
ff_draw_horiz_band(s, s->mb_y*mb_size, mb_size);
- MPV_report_decode_progress(s);
+ ff_MPV_report_decode_progress(s);
s->mb_x= 0;
}
max_extra+= 17;
/* buggy padding but the frame should still end approximately at the bitstream end */
- if((s->workaround_bugs&FF_BUG_NO_PADDING) && s->error_recognition>=3)
+ if((s->workaround_bugs&FF_BUG_NO_PADDING) && (s->err_recognition&AV_EF_BUFFER))
max_extra+= 48;
else if((s->workaround_bugs&FF_BUG_NO_PADDING))
max_extra+= 256*256*256*64;
else if(left<0){
av_log(s->avctx, AV_LOG_ERROR, "overreading %d bits\n", -left);
}else
- 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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_MB_END);
return 0;
}
get_bits_left(&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);
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_MB_END&part_mask);
return -1;
}
if (buf_size == 0) {
/* special case for last picture */
if (s->low_delay==0 && s->next_picture_ptr) {
- *pict= *(AVFrame*)s->next_picture_ptr;
+ *pict = s->next_picture_ptr->f;
s->next_picture_ptr= NULL;
*data_size = sizeof(AVFrame);
s->bitstream_buffer_size=0;
if (!s->context_initialized) {
- if (MPV_common_init(s) < 0) //we need the idct permutaton for reading a custom matrix
+ if (ff_MPV_common_init(s) < 0) //we need the idct permutaton for reading a custom matrix
return -1;
}
* otherwise we cannot store anyting in there */
if (s->current_picture_ptr == NULL || s->current_picture_ptr->f.data[0]) {
int i= ff_find_unused_picture(s, 0);
+ if (i < 0)
+ return i;
s->current_picture_ptr= &s->picture[i];
}
if (CONFIG_WMV2_DECODER && s->msmpeg4_version==5) {
ret= ff_wmv2_decode_picture_header(s);
} else if (CONFIG_MSMPEG4_DECODER && s->msmpeg4_version) {
- ret = msmpeg4_decode_picture_header(s);
+ ret = ff_msmpeg4_decode_picture_header(s);
} else if (CONFIG_MPEG4_DECODER && s->h263_pred) {
if(s->avctx->extradata_size && s->picture_number==0){
GetBitContext gb;
} else if (CONFIG_FLV_DECODER && s->h263_flv) {
ret = ff_flv_decode_picture_header(s);
} else {
- ret = h263_decode_picture_header(s);
+ ret = ff_h263_decode_picture_header(s);
}
if(ret==FRAME_SKIPPED) return get_consumed_bytes(s, buf_size);
#if HAVE_MMX
if (s->codec_id == CODEC_ID_MPEG4 && s->xvid_build>=0 && avctx->idct_algo == FF_IDCT_AUTO && (av_get_cpu_flags() & AV_CPU_FLAG_MMX)) {
avctx->idct_algo= FF_IDCT_XVIDMMX;
- avctx->coded_width= 0; // force reinit
-// dsputil_init(&s->dsp, avctx);
+ ff_dct_common_init(s);
s->picture_number=0;
}
#endif
|| s->height != avctx->coded_height) {
/* H.263 could change picture size any time */
ParseContext pc= s->parse_context; //FIXME move these demuxng hack to avformat
+
+ if (HAVE_THREADS && (s->avctx->active_thread_type&FF_THREAD_FRAME)) {
+ av_log_missing_feature(s->avctx, "Width/height/bit depth/chroma idc changing with threads is", 0);
+ return -1; // width / height changed during parallelized decoding
+ }
+
s->parse_context.buffer=0;
- MPV_common_end(s);
+ ff_MPV_common_end(s);
s->parse_context= pc;
}
if (!s->context_initialized) {
s->me.qpel_avg= s->dsp.avg_qpel_pixels_tab;
}
- if(MPV_frame_start(s, avctx) < 0)
+ if(ff_MPV_frame_start(s, avctx) < 0)
return -1;
if (!s->divx_packed) ff_thread_finish_setup(avctx);
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 is not available before MPV_frame_start()
+ //which is not available before ff_MPV_frame_start()
if (CONFIG_WMV2_DECODER && s->msmpeg4_version==5){
ret = ff_wmv2_decode_secondary_picture_header(s);
if(ret<0) return ret;
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)
+ if(s->slice_height==0 || s->mb_x!=0 || (s->mb_y%s->slice_height)!=0 || get_bits_left(&s->gb)<0)
break;
}else{
int prev_x=s->mb_x, prev_y=s->mb_y;
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->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;
+ if(!CONFIG_MSMPEG4_DECODER || ff_msmpeg4_decode_ext_header(s, buf_size) < 0){
+ s->error_status_table[s->mb_num-1]= ER_MB_ERROR;
}
assert(s->bitstream_buffer_size==0);
return -1;
}
- MPV_frame_end(s);
+ ff_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;
+ *pict = s->current_picture_ptr->f;
} else if (s->last_picture_ptr != NULL) {
- *pict= *(AVFrame*)s->last_picture_ptr;
+ *pict = s->last_picture_ptr->f;
}
if(s->last_picture_ptr || s->low_delay){
av_log(avctx, AV_LOG_DEBUG, "%"PRId64"\n", rdtsc()-time);
#endif
- return get_consumed_bytes(s, buf_size);
+ return (ret && (avctx->err_recognition & AV_EF_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,
- .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"),
- .pix_fmts= ff_hwaccel_pixfmt_list_420,
+ .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"),
+ .pix_fmts = ff_hwaccel_pixfmt_list_420,
};
projects / ffmpeg / blobdiff