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End startcode prefix search at the end of a AVC unit. 

Fixes issue1550.

Originally committed as revision 20784 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-12-09 12:49:59 +00:00
parent f543f636a5
commit 52255d1746
1 changed files with 2 additions and 1 deletions
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3
libavcodec/h264.c
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@ -7521,7 +7521,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
next_avc= buf_index + nalsize;
} else {
// start code prefix search
for(; buf_index + 3 < buf_size; buf_index++){
for(; buf_index + 3 < next_avc; buf_index++){
// This should always succeed in the first iteration.
if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
break;
@ -7530,6 +7530,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
if(buf_index+3 >= buf_size) break;
buf_index+=3;
if(buf_index >= next_avc) continue;
}
hx = h->thread_context[context_count];