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large extradata fix

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use 3 pts predictors for vorbis, slightly more efficient

Originally committed as revision 2960 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-04-04 18:37:41 +00:00
parent b0c7f5a9d8
commit a1d4d70c7a
1 changed files with 2 additions and 2 deletions
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4
libavformat/nut.c
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@ -203,7 +203,7 @@ static void build_frame_code(AVFormatContext *s){
start2++;
}
#endif
pred_count= 2 + codec->has_b_frames;
pred_count= 2 + codec->has_b_frames + (codec->codec_id == CODEC_ID_VORBIS);
for(pred=0; pred<pred_count; pred++){
int start3= start2 + (end2-start2)*pred / pred_count;
int end3 = start2 + (end2-start2)*(pred+1) / pred_count;
@ -443,7 +443,7 @@ static int nut_write_header(AVFormatContext *s)
codec = &s->streams[i]->codec;
put_be64(bc, STREAM_STARTCODE);
put_packetheader(nut, bc, 120);
put_packetheader(nut, bc, 120 + codec->extradata_size);
put_v(bc, i /*s->streams[i]->index*/);
put_v(bc, (codec->codec_type == CODEC_TYPE_AUDIO) ? 32 : 0);
if (codec->codec_tag)