Module: libav Branch: master Commit: f5be84cfbc9c132a867ae8a8c0e0de26ed1a4e88
Author: Janne Grunau <[email protected]> Committer: Janne Grunau <[email protected]> Date: Thu Jan 5 21:57:22 2012 +0100 ipmovie: do not read audio packets before the codec is known Prevents a division by zero. --- libavformat/ipmovie.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/libavformat/ipmovie.c b/libavformat/ipmovie.c index 4bd3580..bd5ec30 100644 --- a/libavformat/ipmovie.c +++ b/libavformat/ipmovie.c @@ -116,6 +116,11 @@ static int load_ipmovie_packet(IPMVEContext *s, AVIOContext *pb, int chunk_type; if (s->audio_chunk_offset) { + if (s->audio_type == CODEC_ID_NONE) { + av_log(NULL, AV_LOG_ERROR, "Can not read audio packet before" + "audio codec is known\n"); + return CHUNK_BAD; + } /* adjust for PCM audio by skipping chunk header */ if (s->audio_type != CODEC_ID_INTERPLAY_DPCM) { _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
