From 19721b23e3b6d91f01e032fbfdb3f6440043144b Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 26 Oct 2010 23:01:04 +0000
Subject: [PATCH] Optimize state initialization in ffv1 clear_state().
Originally committed as revision 25580 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
libavcodec/ffv1.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavcodec/ffv1.c b/libavcodec/ffv1.c
index 4e2dceb026e..b00e15fc51a 100644
--- a/libavcodec/ffv1.c
+++ b/libavcodec/ffv1.c
@@ -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;
- }
+ }
}
}
}
--
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