[FFmpeg-cvslog] r10460 - in trunk: doc/snow.txt libavcodec/snow.c

[michael]

Author: michael
Date: Sun Sep  9 18:54:00 2007
New Revision: 10460

Log:
dont force the halfpel filter coeffs to be retransmitted on every frame
if always_reset is set


Modified:
   trunk/doc/snow.txt
   trunk/libavcodec/snow.c

Modified: trunk/doc/snow.txt
==============================================================================
--- trunk/doc/snow.txt	(original)
+++ trunk/doc/snow.txt	Sun Sep  9 18:54:00 2007
@@ -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

Modified: trunk/libavcodec/snow.c
==============================================================================
--- trunk/libavcodec/snow.c	(original)
+++ trunk/libavcodec/snow.c	Sun Sep  9 18:54:00 2007
@@ -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];