X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fsnowenc.c;h=3f2a75a6707f91dc0686a7461417cfa9ecbad37d;hb=9d6be83085ccb1f52b923064eb93566ddbb0a1f7;hp=df1729a08338dc99a74ca0a744ea654fa9e13947;hpb=fbd607dd560afe44c3b90de1e6cbe5265cac8f1e;p=ffmpeg

diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c
index df1729a0833..3f2a75a6707 100644
--- a/libavcodec/snowenc.c
+++ b/libavcodec/snowenc.c
@@ -81,6 +81,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     s->m.bit_rate= avctx->bit_rate;
     s->m.lmin    = avctx->mb_lmin;
     s->m.lmax    = avctx->mb_lmax;
+    s->m.mb_num  = (avctx->width * avctx->height + 255) / 256; // For ratecontrol
 
     s->m.me.temp      =
     s->m.me.scratchpad= av_mallocz_array((avctx->width+64), 2*16*2*sizeof(uint8_t));
@@ -312,7 +313,7 @@ static int encode_q_branch(SnowContext *s, int level, int x, int y){
     if(P_LEFT[1]     > (c->ymax<<shift)) P_LEFT[1]    = (c->ymax<<shift);
     if(P_TOP[0]      > (c->xmax<<shift)) P_TOP[0]     = (c->xmax<<shift);
     if(P_TOP[1]      > (c->ymax<<shift)) P_TOP[1]     = (c->ymax<<shift);
-    if(P_TOPRIGHT[0] < (c->xmin<<shift)) P_TOPRIGHT[0]= (c->xmin<<shift);
+    if(P_TOPRIGHT[0] < (c->xmin * (1<<shift))) P_TOPRIGHT[0]= (c->xmin * (1<<shift));
     if(P_TOPRIGHT[0] > (c->xmax<<shift)) P_TOPRIGHT[0]= (c->xmax<<shift); //due to pmx no clip
     if(P_TOPRIGHT[1] > (c->ymax<<shift)) P_TOPRIGHT[1]= (c->ymax<<shift);
 
@@ -1774,7 +1775,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
             }else{
                 for(y=0; y<h; y++){
                     for(x=0; x<w; x++){
-                        s->spatial_dwt_buffer[y*w + x]=s->spatial_idwt_buffer[y*w + x]<<ENCODER_EXTRA_BITS;
+                        s->spatial_dwt_buffer[y*w + x]= s->spatial_idwt_buffer[y*w + x] * (1 << ENCODER_EXTRA_BITS);
                     }
                 }
             }