unsigned int codec_tag = ff_codec_get_tag(ff_codec_caf_tags, enc->codec_id);
int64_t chunk_size = 0;
+ if (s->nb_streams != 1) {
+ av_log(s, AV_LOG_ERROR, "CAF files have exactly one stream\n");
+ return AVERROR(EINVAL);
+ }
+
switch (enc->codec_id) {
case AV_CODEC_ID_AAC:
case AV_CODEC_ID_AC3: