vmdaudio: set *data_size to zero when skipping small packets and add a warning log...

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>

diff --git a/libavcodec/vmdav.c b/libavcodec/vmdav.c
index b338da39042f8db3120a01bdc8dc53437da1187e..1407c965886ed7a036ea3c4617d9681dedac3d3c 100644 (file)
--- a/libavcodec/vmdav.c
+++ b/libavcodec/vmdav.c
@@ -514,8 +514,11 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx,
     /* point to the start of the encoded data */
     const unsigned char *p = buf + 16;
 
-    if (buf_size < 16)
+    if (buf_size < 16) {
+        av_log(avctx, AV_LOG_WARNING, "skipping small junk packet\n");
+        *data_size = 0;
         return buf_size;
+    }
 
     block_type = buf[6];
     if (block_type < BLOCK_TYPE_AUDIO || block_type > BLOCK_TYPE_SILENCE) {