packets with half pcm samples are invalid
authorMichael Niedermayer <michaelni@gmx.at>
Fri, 9 Feb 2007 13:57:14 +0000 (13:57 +0000)
committerMichael Niedermayer <michaelni@gmx.at>
Fri, 9 Feb 2007 13:57:14 +0000 (13:57 +0000)
Originally committed as revision 7900 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/pcm.c

index 4011ed3..6cc4719 100644 (file)
@@ -410,6 +410,12 @@ static int pcm_decode_frame(AVCodecContext *avctx,
     samples = data;
     src = buf;
 
+    n= av_get_bits_per_sample(avctx->codec_id)/8;
+    if(n && buf_size % n){
+        av_log(avctx, AV_LOG_ERROR, "invalid PCM packet\n");
+        return -1;
+    }
+
     buf_size= FFMIN(buf_size, *data_size/2);
     *data_size=0;