diff options
Diffstat (limited to 'libavformat/au.c')
| -rw-r--r-- | libavformat/au.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/libavformat/au.c b/libavformat/au.c index f887162110..db2ab27558 100644 --- a/libavformat/au.c +++ b/libavformat/au.c @@ -156,8 +156,16 @@ static int au_write_header(AVFormatContext *s) AVIOContext *pb = s->pb; AVCodecContext *enc = s->streams[0]->codec; - if (!enc->codec_tag) + if (s->nb_streams != 1) { + av_log(s, AV_LOG_ERROR, "only one stream is supported\n"); return AVERROR(EINVAL); + } + + enc->codec_tag = ff_codec_get_tag(codec_au_tags, enc->codec_id); + if (!enc->codec_tag) { + av_log(s, AV_LOG_ERROR, "unsupported codec\n"); + return AVERROR(EINVAL); + } ffio_wfourcc(pb, ".snd"); /* magic number */ avio_wb32(pb, AU_HEADER_SIZE); /* header size */ |