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dont check if the ac esc 3 could have been stored as vlc as this detects only very few errors allthough it detects several buggy encoders

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Originally committed as revision 2370 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-10-13 11:13:10 +00:00
parent 117a5490bd
commit ac0c66382d
3 changed files with 4 additions and 5 deletions
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2
libavcodec/avcodec.h
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@ -676,7 +676,7 @@ typedef struct AVCodecContext {
#define FF_BUG_XVID_ILACE 4
#define FF_BUG_UMP4 8
#define FF_BUG_NO_PADDING 16
#define FF_BUG_AC_VLC 32
#define FF_BUG_AC_VLC 0 ///< will be removed, libavcodec can now handle these non compliant files by default
#define FF_BUG_QPEL_CHROMA 64
#define FF_BUG_STD_QPEL 128
#define FF_BUG_QPEL_CHROMA2 256

6
libavcodec/h263.c
View File

@ -4082,10 +4082,10 @@ static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
fprintf(stderr, "|level| overflow in 3. esc, qp=%d\n", s->qscale);
return -1;
}
#if 1
{
#if 0
if(s->error_resilience >= FF_ER_COMPLIANT){
const int abs_level= ABS(level);
if(abs_level<=MAX_LEVEL && run<=MAX_RUN && !(s->workaround_bugs&FF_BUG_AC_VLC)){
if(abs_level<=MAX_LEVEL && run<=MAX_RUN){
const int run1= run - rl->max_run[last][abs_level] - 1;
if(abs_level <= rl->max_level[last][run]){
fprintf(stderr, "illegal 3. esc, vlc encoding possible\n");

1
libavcodec/h263dec.c
View File

@ -508,7 +508,6 @@ retry:
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>=500){