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Code Issues Releases Activity

pmpdec: check that there is at least one audio packet.

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The code cannot handle there being none, but that should not happen for
valid files.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:libav-stable@libav.org
This commit is contained in:
Anton Khirnov
2013-11-28 10:54:35 +01:00
parent 94a417acc0
commit 1b5d065ca7
1 changed files with 5 additions and 0 deletions
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5
libavformat/pmpdec.c
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@@ -124,6 +124,11 @@ static int pmp_packet(AVFormatContext *s, AVPacket *pkt)
if (pmp->cur_stream == 0) {
int num_packets;
pmp->audio_packets = avio_r8(pb);
if (!pmp->audio_packets) {
av_log(s, AV_LOG_ERROR, "No audio packets.\n");
return AVERROR_INVALIDDATA;
}
num_packets = (pmp->num_streams - 1) * pmp->audio_packets + 1;
avio_skip(pb, 8);
pmp->current_packet = 0;