#include "rawdec.h"
#include "internal.h"
-static int acm_probe(AVProbeData *p)
+static int acm_probe(const AVProbeData *p)
{
if (AV_RB32(p->buf) != 0x97280301)
return 0;
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = AV_CODEC_ID_INTERPLAY_ACM;
- ff_alloc_extradata(st->codecpar, 14);
- if (!st->codecpar->extradata)
- return AVERROR(ENOMEM);
- ret = avio_read(s->pb, st->codecpar->extradata, 14);
- if (ret < 10)
- return ret < 0 ? ret : AVERROR_EOF;
+ ret = ff_get_extradata(s, st->codecpar, s->pb, 14);
+ if (ret < 0)
+ return ret;
st->codecpar->channels = AV_RL16(st->codecpar->extradata + 8);
st->codecpar->sample_rate = AV_RL16(st->codecpar->extradata + 10);
return 0;
}
+FF_RAW_DEMUXER_CLASS(acm)
AVInputFormat ff_acm_demuxer = {
.name = "acm",
.long_name = NULL_IF_CONFIG_SMALL("Interplay ACM"),
.flags = AVFMT_NOBINSEARCH | AVFMT_NOGENSEARCH | AVFMT_NO_BYTE_SEEK | AVFMT_NOTIMESTAMPS,
.extensions = "acm",
.raw_codec_id = AV_CODEC_ID_INTERPLAY_ACM,
+ .priv_data_size = sizeof(FFRawDemuxerContext),
+ .priv_class = &acm_demuxer_class,
};