Force one stream in caf muxer.

Based on eeb975f5
11 years ago · fb5518cfb7
parent b02d87936b
commit fb5518cfb7
1 changed files with 5 additions and 0 deletions
--- a/libavformat/cafenc.c
+++ b/libavformat/cafenc.c
@ -108,6 +108,11 @@ static int caf_write_header(AVFormatContext *s)
    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: