Merge commit '5584abf69d83169a010aca404cd1cf95c23ad9ef'

[ffmpeg] / libavcodec / wcmv.c

diff --git a/libavcodec/wcmv.c b/libavcodec/wcmv.c
index 233427f3fa5c2e5176cee2a1b686ae061660c593..ebd5ef66f4af98dc08fd04d89cde51427989e237 100644 (file)
--- a/libavcodec/wcmv.c
+++ b/libavcodec/wcmv.c
@@ -113,6 +113,8 @@ static int decode_frame(AVCodecContext *avctx,
             bytestream2_skip(&bgb, 4);
             w = bytestream2_get_le16(&bgb);
             h = bytestream2_get_le16(&bgb);
+            if (x + bpp * (int64_t)w * h > INT_MAX)
+                return AVERROR_INVALIDDATA;
             x += bpp * w * h;
         }
 
@@ -140,6 +142,8 @@ static int decode_frame(AVCodecContext *avctx,
             bytestream2_skip(&gb, 4);
             w = bytestream2_get_le16(&gb);
             h = bytestream2_get_le16(&gb);
+            if (x + bpp * (int64_t)w * h > INT_MAX)
+                return AVERROR_INVALIDDATA;
             x += bpp * w * h;
         }
 
@@ -209,7 +213,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
     int zret;
 
     switch (avctx->bits_per_coded_sample) {
-    case 16: avctx->pix_fmt = AV_PIX_FMT_RGB565; break;
+    case 16: avctx->pix_fmt = AV_PIX_FMT_RGB565LE; break;
     case 24: avctx->pix_fmt = AV_PIX_FMT_BGR24;  break;
     case 32: avctx->pix_fmt = AV_PIX_FMT_BGRA;   break;
     default: av_log(avctx, AV_LOG_ERROR, "Unsupported bits_per_coded_sample: %d\n",