segafilm: fix division by 0

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-11 18:32:26 +01:00
parent f1d6f013b2
commit 192db16b9c

View File

@ -113,7 +113,7 @@ static int film_read_header(AVFormatContext *s)
film->audio_samplerate = AV_RB16(&scratch[24]);
film->audio_channels = scratch[21];
film->audio_bits = scratch[22];
if (scratch[23] == 2)
if (scratch[23] == 2 && film->audio_channels > 0)
film->audio_type = AV_CODEC_ID_ADPCM_ADX;
else if (film->audio_channels > 0) {
if (film->audio_bits == 8)