segafilm: Fix potential division by 0 on corrupted streams in the demuxer

Signed-off-by: Janne Grunau <janne-libav@jannau.net>
This commit is contained in:
Laurent Aimar 2011-09-12 21:09:57 +02:00 committed by Janne Grunau
parent 790f4dd5c9
commit 762ffa6861
1 changed files with 8 additions and 5 deletions

View File

@ -113,11 +113,14 @@ static int film_read_header(AVFormatContext *s,
film->audio_bits = scratch[22];
if (scratch[23] == 2)
film->audio_type = CODEC_ID_ADPCM_ADX;
else if (film->audio_bits == 8)
film->audio_type = CODEC_ID_PCM_S8;
else if (film->audio_bits == 16)
film->audio_type = CODEC_ID_PCM_S16BE;
else
else if (film->audio_channels > 0) {
if (film->audio_bits == 8)
film->audio_type = CODEC_ID_PCM_S8;
else if (film->audio_bits == 16)
film->audio_type = CODEC_ID_PCM_S16BE;
else
film->audio_type = CODEC_ID_NONE;
} else
film->audio_type = CODEC_ID_NONE;
}