提交 f5be84cf 编写于 作者: J Janne Grunau

ipmovie: do not read audio packets before the codec is known

Prevents a division by zero.
上级 696ace50
......@@ -116,6 +116,11 @@ static int load_ipmovie_packet(IPMVEContext *s, AVIOContext *pb,
int chunk_type;
if (s->audio_chunk_offset) {
if (s->audio_type == CODEC_ID_NONE) {
av_log(NULL, AV_LOG_ERROR, "Can not read audio packet before"
"audio codec is known\n");
return CHUNK_BAD;
}
/* adjust for PCM audio by skipping chunk header */
if (s->audio_type != CODEC_ID_INTERPLAY_DPCM) {
......
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