summaryrefslogtreecommitdiff
path: root/libavformat/xwma.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavformat/xwma.c')
-rw-r--r--libavformat/xwma.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/libavformat/xwma.c b/libavformat/xwma.c
index baabf5775e..db7d9716ca 100644
--- a/libavformat/xwma.c
+++ b/libavformat/xwma.c
@@ -2,20 +2,20 @@
* xWMA demuxer
* Copyright (c) 2011 Max Horn
*
- * This file is part of Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -200,6 +200,12 @@ static int xwma_read_header(AVFormatContext *s)
/* Estimate the duration from the total number of output bytes. */
const uint64_t total_decoded_bytes = dpds_table[dpds_table_size - 1];
+
+ if(!bytes_per_sample) {
+ av_log(s, AV_LOG_ERROR, "bytes_per_sample is 0\n");
+ return AVERROR_INVALIDDATA;
+ }
+
st->duration = total_decoded_bytes / bytes_per_sample;
/* Use the dpds data to build a seek table. We can only do this after