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-rw-r--r--libavformat/xa.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/libavformat/xa.c b/libavformat/xa.c
index 57a36bcbe2..43661dea43 100644
--- a/libavformat/xa.c
+++ b/libavformat/xa.c
@@ -2,20 +2,20 @@
* Maxis XA (.xa) File Demuxer
* Copyright (c) 2008 Robert Marston
*
- * 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
*/
@@ -84,6 +84,9 @@ static int xa_read_header(AVFormatContext *s)
avio_skip(pb, 2); /* Skip block align */
avio_skip(pb, 2); /* Skip bits-per-sample */
+ if (!st->codec->channels || !st->codec->sample_rate)
+ return AVERROR_INVALIDDATA;
+
st->codec->bit_rate = av_clip(15LL * st->codec->channels * 8 *
st->codec->sample_rate / 28, 0, INT_MAX);