From b85bf991f63db00cbe9dc56d0a99a298018cd596 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sun, 9 Sep 2007 16:54:00 +0000 Subject: [PATCH] do not force the halfpel filter coeffs to be retransmitted on every frame if always_reset is set Originally committed as revision 10460 to svn://svn.ffmpeg.org/ffmpeg/trunk --- doc/snow.txt | 5 ++--- libavcodec/snow.c | 5 ++--- 2 files changed, 4 insertions(+), 6 deletions(-) diff --git a/doc/snow.txt b/doc/snow.txt index 688dbd836..ba6a5f462 100644 --- a/doc/snow.txt +++ b/doc/snow.txt @@ -56,9 +56,8 @@ header: qlogs } if(!keyframe){ - if(!always_reset) - update_mc b header_state - if(always_reset || update_mc){ + update_mc b header_state + if(update_mc){ for(plane=0; plane<2; plane++){ diag_mc b header_state htaps/2-1 u header_state diff --git a/libavcodec/snow.c b/libavcodec/snow.c index 7ccedfaba..a52cffcdc 100644 --- a/libavcodec/snow.c +++ b/libavcodec/snow.c @@ -3574,8 +3574,7 @@ static void encode_header(SnowContext *s){ update_mc |= p->last_diag_mc != p->diag_mc; update_mc |= !!memcmp(p->last_hcoeff, p->hcoeff, sizeof(p->hcoeff)); } - if(!s->always_reset) - put_rac(&s->c, s->header_state, update_mc); + put_rac(&s->c, s->header_state, update_mc); if(update_mc){ for(plane_index=0; plane_index<2; plane_index++){ Plane *p= &s->plane[plane_index]; @@ -3661,7 +3660,7 @@ static int decode_header(SnowContext *s){ } if(!s->keyframe){ - if(s->always_reset || get_rac(&s->c, s->header_state)){ + if(get_rac(&s->c, s->header_state)){ for(plane_index=0; plane_index<2; plane_index++){ int htaps, i, sum=0, absum=0; Plane *p= &s->plane[plane_index]; -- 2.11.0