mtv: Make sure audio_subsegments is not 0

audio_subsegments would be 0 and cause floating point exceptions Fixes bugzilla #144

Shitiz Garg committed 14 years ago

Commit feb15ce1 parent f13a9ca1 file · +6 −0Browse files

Unified · Split

@@ -106,6 +106,12 @@ static int mtv_read_header(AVFormatContext s, AVFormatParameters ap) · 105 unmodified lines
106	106
107	107	avio_skip(pb, 4);
108	108	audio_subsegments = avio_rl16(pb);
	109	+
	110	+ if (audio_subsegments == 0) {
	111	+ av_log_ask_for_sample(s, "MTV files without audio are not supported\n");
	112	+ return AVERROR_INVALIDDATA;
	113	+ }
	114	+
109	115	mtv->full_segment_size =
110	116	audio_subsegments * (MTV_AUDIO_PADDING_SIZE + MTV_ASUBCHUNK_DATA_SIZE) +
111	117	mtv->img_segment_size;

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