diff options
-rw-r--r-- | libavformat/mtv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavformat/mtv.c b/libavformat/mtv.c index c3fb15c344..4c3b082881 100644 --- a/libavformat/mtv.c +++ b/libavformat/mtv.c @@ -106,6 +106,12 @@ static int mtv_read_header(AVFormatContext *s, AVFormatParameters *ap) avio_skip(pb, 4); audio_subsegments = avio_rl16(pb); + + if (audio_subsegments == 0) { + av_log_ask_for_sample(s, "MTV files without audio are not supported\n"); + return AVERROR_INVALIDDATA; + } + mtv->full_segment_size = audio_subsegments * (MTV_AUDIO_PADDING_SIZE + MTV_ASUBCHUNK_DATA_SIZE) + mtv->img_segment_size; |