diff --git a/libavformat/mvi.c b/libavformat/mvi.c index 953c1824fa..bd1f3c66f9 100644 --- a/libavformat/mvi.c +++ b/libavformat/mvi.c @@ -96,10 +96,12 @@ static int read_header(AVFormatContext *s) mvi->get_int = (vst->codec->width * vst->codec->height < (1 << 16)) ? avio_rl16 : avio_rl24; mvi->audio_frame_size = ((uint64_t)mvi->audio_data_size << MVI_FRAC_BITS) / frames_count; - if (!mvi->audio_frame_size) { - av_log(s, AV_LOG_ERROR, "audio_frame_size is 0\n"); + if (mvi->audio_frame_size <= 1 << MVI_FRAC_BITS - 1) { + av_log(s, AV_LOG_ERROR, "Invalid audio_data_size (%d) or frames_count (%d)\n", + mvi->audio_data_size, frames_count); return AVERROR_INVALIDDATA; } + mvi->audio_size_counter = (ast->codec->sample_rate * 830 / mvi->audio_frame_size - 1) * mvi->audio_frame_size; mvi->audio_size_left = mvi->audio_data_size;