audio_subsegments would be 0 and cause floating point exceptions
Fixes bugzilla #144
Signed-off-by: Justin Ruggles <justin.ruggles@gmail.com>
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;