#include "libavcodec/get_bits.h"
#include "libavcodec/unary.h"
#include "avformat.h"
+#include "internal.h"
#include "avio_internal.h"
/// Two-byte MPC tag
}
}
-static int mpc8_read_header(AVFormatContext *s, AVFormatParameters *ap)
+static int mpc8_read_header(AVFormatContext *s)
{
MPCContext *c = s->priv_data;
AVIOContext *pb = s->pb;
c->samples = ffio_read_varlen(pb);
ffio_read_varlen(pb); //silence samples at the beginning
- st = av_new_stream(s, 0);
+ st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->channels = (st->codec->extradata[1] >> 4) + 1;
st->codec->sample_rate = mpc8_rate[st->codec->extradata[0] >> 5];
- av_set_pts_info(st, 32, 1152 << (st->codec->extradata[1]&3)*2, st->codec->sample_rate);
+ avpriv_set_pts_info(st, 32, 1152 << (st->codec->extradata[1]&3)*2, st->codec->sample_rate);
st->duration = c->samples / (1152 << (st->codec->extradata[1]&3)*2);
size -= avio_tell(pb) - pos;
return AVERROR(EIO);
mpc8_handle_chunk(s, tag, pos, size);
}
- return 0;
+ return AVERROR_EOF;
}
static int mpc8_read_seek(AVFormatContext *s, int stream_index, int64_t timestamp, int flags)
int index = av_index_search_timestamp(st, timestamp, flags);
if(index < 0) return -1;
- avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET);
+ if (avio_seek(s->pb, st->index_entries[index].pos, SEEK_SET) < 0)
+ return -1;
c->frame = st->index_entries[index].timestamp;
return 0;
}
AVInputFormat ff_mpc8_demuxer = {
- "mpc8",
- NULL_IF_CONFIG_SMALL("Musepack SV8"),
- sizeof(MPCContext),
- mpc8_probe,
- mpc8_read_header,
- mpc8_read_packet,
- NULL,
- mpc8_read_seek,
+ .name = "mpc8",
+ .long_name = NULL_IF_CONFIG_SMALL("Musepack SV8"),
+ .priv_data_size = sizeof(MPCContext),
+ .read_probe = mpc8_probe,
+ .read_header = mpc8_read_header,
+ .read_packet = mpc8_read_packet,
+ .read_seek = mpc8_read_seek,
};