-
-static int voc_probe(AVProbeData *p)
-{
- int version, check;
-
- if (memcmp(p->buf, ff_voc_magic, sizeof(ff_voc_magic) - 1))
- return 0;
- version = AV_RL16(p->buf + 22);
- check = AV_RL16(p->buf + 24);
- if (~version + 0x1234 != check)
- return 10;
-
- return AVPROBE_SCORE_MAX;
-}
-
-static int voc_read_header(AVFormatContext *s)
-{
- VocDecContext *voc = s->priv_data;
- AVIOContext *pb = s->pb;
- int header_size;
- AVStream *st;
-
- avio_skip(pb, 20);
- header_size = avio_rl16(pb) - 22;
- if (header_size != 4) {
- av_log(s, AV_LOG_ERROR, "unknown header size: %d\n", header_size);
- return AVERROR(ENOSYS);
- }
- avio_skip(pb, header_size);
- st = avformat_new_stream(s, NULL);
- if (!st)
- return AVERROR(ENOMEM);
- st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-
- voc->remaining_size = 0;
- return 0;
-}
-