AVStream *st = avformat_new_stream(s, NULL);
if (!st)
- return -1;
+ return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_DATA;
st->codec->codec_id = AV_CODEC_ID_FFMETADATA;
AVChapter *ch = read_chapter(s);
if (!ch)
- return -1;
+ return AVERROR(ENOMEM);
m = &ch->metadata;
} else