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Code Issues Releases Activity

h263: remove unused ff_h263_find_resync_marker()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-11-30 00:58:33 +01:00
parent 2d614e9be1
commit 2d2b363c65
2 changed files with 0 additions and 25 deletions
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1
libavcodec/h263.h
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@@ -120,7 +120,6 @@ int av_const h263_get_picture_format(int width, int height);
void ff_clean_h263_qscales(MpegEncContext *s);
int ff_h263_resync(MpegEncContext *s);
const uint8_t *ff_h263_find_resync_marker(MpegEncContext *s, const uint8_t *p, const uint8_t *end);
int ff_h263_get_gob_height(MpegEncContext *s);
void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);

24
libavcodec/ituh263dec.c
View File

@@ -199,30 +199,6 @@ static int h263_decode_gob_header(MpegEncContext *s)
return 0;
}
/**
* Find the next resync_marker.
* @param p pointer to buffer to scan
* @param end pointer to the end of the buffer
* @return pointer to the next resync_marker, or end if none was found
*/
const uint8_t *ff_h263_find_resync_marker(MpegEncContext *s, const uint8_t *av_restrict p, const uint8_t *av_restrict end)
{
av_assert2(p < end);
end-=2;
p++;
if(s->resync_marker){
int prefix_len = ff_mpeg4_get_video_packet_prefix_length(s);
for(;p<end; p+=2){
if(!*p){
if (!p[-1] && ((p[1] >> (23-prefix_len)) == 1)) return p - 1;
else if (!p[ 1] && ((p[2] >> (23-prefix_len)) == 1)) return p;
}
}
}
return end+2;
}
/**
* Decode the group of blocks / video packet header.
* @return bit position of the resync_marker, or <0 if none was found