1. ffmpeg
  2. Commit cb42ed171d698324e16b2dded0ac7d419581a47f
Browse code

adxdec: Fix division by zero

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6b6b84ae1625ce1e38ff5f1b4c0bf03450066e66)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Michael Niedermayer authored on 2011/12/19 04:10:51
Showing 1 changed files
libavcodec/adxdec.c
History View file @ cb42ed1
... ... 
@@ -120,6 +120,8 @@ static int adx_decode_frame(AVCodecContext *avctx, void *data,
120 120 
         buf += header_size;
121 121 
         buf_size -= header_size;
122 122 
     }
123 
+    if(c->channels <= 0)
124 
+        return AVERROR_INVALIDDATA;
123 125
124 126 
     /* calculate number of blocks in the packet */
125 127 
     num_blocks = buf_size / (BLOCK_SIZE * c->channels);