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AMV bug workaround 

Originally committed as revision 3099 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-04-30 18:56:33 +00:00
parent 6387c3e6b6
commit 3116cb14d1
2 changed files with 4 additions and 0 deletions
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1
libavcodec/avcodec.h
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@ -841,6 +841,7 @@ typedef struct AVCodecContext {
#define FF_BUG_XVID_ILACE 4
#define FF_BUG_UMP4 8
#define FF_BUG_NO_PADDING 16
#define FF_BUG_AMV 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

3
libavcodec/h263.c
View File

@ -3221,6 +3221,9 @@ static inline int get_amv(MpegEncContext *s, int n){
int x, y, mb_v, sum, dx, dy, shift;
int len = 1 << (s->f_code + 4);
const int a= s->sprite_warping_accuracy;
if(s->workaround_bugs & FF_BUG_AMV)
len >>= s->quarter_sample;
if(s->real_sprite_warping_points==1){
if(s->divx_version==500 && s->divx_build==413)