From 47c84c0bf784991d95f68d989f4faf31eeb03afa Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 14 Jul 2014 14:52:18 +0200 Subject: [PATCH] avformat/wavdec: add basic sanity check for the sample count Fixes Ticket3708 Signed-off-by: Michael Niedermayer --- libavformat/wavdec.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index a865b760b7..1d77402418 100644 --- a/libavformat/wavdec.c +++ b/libavformat/wavdec.c @@ -402,6 +402,11 @@ break_loop: avio_seek(pb, data_ofs, SEEK_SET); + if (data_size > 0 && sample_count && data_size / sample_count / st->codec->channels > 8) { + av_log(s, AV_LOG_WARNING, "ignoring wrong sample_count %"PRId64"\n", sample_count); + sample_count = 0; + } + if (!sample_count || av_get_exact_bits_per_sample(st->codec->codec_id) > 0) if ( st->codec->channels && data_size