X-Git-Url: https://git.piment-noir.org/?p=deb_ffmpeg.git;a=blobdiff_plain;f=ffmpeg%2Flibavcodec%2Flagarith.c;h=2c6d70c0650b6f920b77bbcb0e0e8d98e18fc1b5;hp=a08d7fde1b59714c062683b75c7c5cd75f9501a2;hb=f6fa7814ccfe3e76514b36cf04f5cd3cb657c8cf;hpb=2ba45a602cbfa7b771effba9b11bb4245c21bc00

diff --git a/ffmpeg/libavcodec/lagarith.c b/ffmpeg/libavcodec/lagarith.c
index a08d7fd..2c6d70c 100644
--- a/ffmpeg/libavcodec/lagarith.c
+++ b/ffmpeg/libavcodec/lagarith.c
@@ -128,7 +128,7 @@ static int lag_decode_prob(GetBitContext *gb, uint32_t *value)
     }
 
     val  = get_bits_long(gb, bits);
-    val |= 1 << bits;
+    val |= 1U << bits;
 
     *value = val - 1;
 
@@ -675,10 +675,10 @@ static int lag_decode_frame(AVCodecContext *avctx,
         lag_decode_arith_plane(l, p->data[0], avctx->width, avctx->height,
                                p->linesize[0], buf + offset_ry,
                                buf_size - offset_ry);
-        lag_decode_arith_plane(l, p->data[1], avctx->width / 2,
+        lag_decode_arith_plane(l, p->data[1], (avctx->width + 1) / 2,
                                avctx->height, p->linesize[1],
                                buf + offset_gu, buf_size - offset_gu);
-        lag_decode_arith_plane(l, p->data[2], avctx->width / 2,
+        lag_decode_arith_plane(l, p->data[2], (avctx->width + 1) / 2,
                                avctx->height, p->linesize[2],
                                buf + offset_bv, buf_size - offset_bv);
         break;
@@ -702,11 +702,11 @@ static int lag_decode_frame(AVCodecContext *avctx,
         lag_decode_arith_plane(l, p->data[0], avctx->width, avctx->height,
                                p->linesize[0], buf + offset_ry,
                                buf_size - offset_ry);
-        lag_decode_arith_plane(l, p->data[2], avctx->width / 2,
-                               avctx->height / 2, p->linesize[2],
+        lag_decode_arith_plane(l, p->data[2], (avctx->width + 1) / 2,
+                               (avctx->height + 1) / 2, p->linesize[2],
                                buf + offset_gu, buf_size - offset_gu);
-        lag_decode_arith_plane(l, p->data[1], avctx->width / 2,
-                               avctx->height / 2, p->linesize[1],
+        lag_decode_arith_plane(l, p->data[1], (avctx->width + 1) / 2,
+                               (avctx->height + 1) / 2, p->linesize[1],
                                buf + offset_bv, buf_size - offset_bv);
         break;
     default: