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Code Issues Releases Activity

Optimize state initialization in ffv1 clear_state().

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Originally committed as revision 25580 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2010-10-26 23:01:04 +00:00
parent c42c1007c7
commit 19721b23e3
1 changed files with 4 additions and 4 deletions
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8
libavcodec/ffv1.c
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@ -964,15 +964,15 @@ static void clear_state(FFV1Context *f){
p->interlace_bit_state[0]= 128;
p->interlace_bit_state[1]= 128;
if(fs->ac){
memset(p->state, 128, CONTEXT_SIZE*p->context_count);
}else{
for(j=0; j<p->context_count; j++){
if(fs->ac){
memset(p->state[j], 128, sizeof(uint8_t)*CONTEXT_SIZE);
}else{
p->vlc_state[j].drift= 0;
p->vlc_state[j].error_sum= 4; //FFMAX((RANGE + 32)/64, 2);
p->vlc_state[j].bias= 0;
p->vlc_state[j].count= 1;
}
}
}
}
}