handle 0-length buffers

Originally committed as revision 2732 to svn://svn.ffmpeg.org/ffmpeg/trunk
2004-01-31 17:40:28 +00:00 · 2004-01-31 17:40:28 +00:00 · df72754d03
parent c89c1d2542
commit df72754d03
1 changed files with 3 additions and 0 deletions
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@ -444,6 +444,9 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
    int decode_top_nibble_next = 0;
    int diff_channel;

+    if (!buf_size)
+        return 0;
+
    samples = data;
    src = buf;