Set h->cbp for ff_h264_filter_mb_fast().

[ffmpeg] / libavcodec / bmp.c

diff --git a/libavcodec/bmp.c b/libavcodec/bmp.c
index cadaeee543e57b50cdf8cee38c6c8836f00cfde1..43e7f2f91bd41869a617cf1c315777d98bc8d760 100644 (file)
--- a/libavcodec/bmp.c
+++ b/libavcodec/bmp.c
@@ -231,18 +231,37 @@ static int bmp_decode_frame(AVCodecContext *avctx,
     }
 
     if(avctx->pix_fmt == PIX_FMT_PAL8){
+        int colors = 1 << depth;
+        if(ihsize >= 36){
+            int t;
+            buf = buf0 + 46;
+            t = bytestream_get_le32(&buf);
+            if(t < 0 || t > (1 << depth)){
+                av_log(avctx, AV_LOG_ERROR, "Incorrect number of colors - %X for bitdepth %d\n", t, depth);
+            }else if(t){
+                colors = t;
+            }
+        }
         buf = buf0 + 14 + ihsize; //palette location
-        if((hsize-ihsize-14)>>depth < 4){ // OS/2 bitmap, 3 bytes per palette entry
-            for(i = 0; i < (1 << depth); i++)
+        if((hsize-ihsize-14) < (colors << 2)){ // OS/2 bitmap, 3 bytes per palette entry
+            for(i = 0; i < colors; i++)
                 ((uint32_t*)p->data[1])[i] = bytestream_get_le24(&buf);
         }else{
-            for(i = 0; i < (1 << depth); i++)
+            for(i = 0; i < colors; i++)
                 ((uint32_t*)p->data[1])[i] = bytestream_get_le32(&buf);
         }
         buf = buf0 + hsize;
     }
     if(comp == BMP_RLE4 || comp == BMP_RLE8){
+        if(height < 0){
+            p->data[0] += p->linesize[0] * (avctx->height - 1);
+            p->linesize[0] = -p->linesize[0];
+        }
         ff_msrle_decode(avctx, (AVPicture*)p, depth, buf, dsize);
+        if(height < 0){
+            p->data[0] += p->linesize[0] * (avctx->height - 1);
+            p->linesize[0] = -p->linesize[0];
+        }
     }else{
         switch(depth){
         case 1: