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Code Issues Releases Activity

Detect incorrect padding with wrong stuffing codes used by NEC N-02B.

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I dont know if this is the best way to handle it. But it fixes http://kuwatan.jp/temp/n-02b.3gp

Fixes issue 2373.

Originally committed as revision 25875 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-12-04 05:44:18 +00:00
parent 1ef64490e1
commit df59c9c0f8
1 changed files with 7 additions and 0 deletions
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7
libavcodec/h263dec.c
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@ -261,6 +261,13 @@ static int decode_slice(MpegEncContext *s){
assert(s->mb_x==0 && s->mb_y==s->mb_height);
if(s->codec_id==CODEC_ID_MPEG4
&& (s->workaround_bugs&FF_BUG_AUTODETECT)
&& get_bits_left(&s->gb) >= 48
&& show_bits(&s->gb, 24)==0x4010
&& !s->data_partitioning)
s->padding_bug_score+=32;
/* try to detect the padding bug */
if( s->codec_id==CODEC_ID_MPEG4
&& (s->workaround_bugs&FF_BUG_AUTODETECT)