Commit 4da4bfcd authored by Paul B Mahol's avatar Paul B Mahol

avformat: add MTAF demuxer

Signed-off-by: 's avatarPaul B Mahol <onemda@gmail.com>
parent 8c17eea4
......@@ -36,6 +36,7 @@ version <next>:
- IFF ANIM demuxer & decoder
- Direct Stream Transfer (DST) decoder
- loudnorm filter
- MTAF demuxer and decoder
version 3.0:
- Common Encryption (CENC) MP4 encoding and decoding support
......
......@@ -301,6 +301,7 @@ OBJS-$(CONFIG_MPL2_DEMUXER) += mpl2dec.o subtitles.o
OBJS-$(CONFIG_MSF_DEMUXER) += msf.o
OBJS-$(CONFIG_MPSUB_DEMUXER) += mpsubdec.o subtitles.o
OBJS-$(CONFIG_MSNWC_TCP_DEMUXER) += msnwc_tcp.o
OBJS-$(CONFIG_MTAF_DEMUXER) += mtaf.o
OBJS-$(CONFIG_MTV_DEMUXER) += mtv.o
OBJS-$(CONFIG_MUSX_DEMUXER) += musx.o
OBJS-$(CONFIG_MV_DEMUXER) += mvdec.o
......
......@@ -209,6 +209,7 @@ void av_register_all(void)
REGISTER_DEMUXER (MPSUB, mpsub);
REGISTER_DEMUXER (MSF, msf);
REGISTER_DEMUXER (MSNWC_TCP, msnwc_tcp);
REGISTER_DEMUXER (MTAF, mtaf);
REGISTER_DEMUXER (MTV, mtv);
REGISTER_DEMUXER (MUSX, musx);
REGISTER_DEMUXER (MV, mv);
......
/*
* MTAF demuxer
* Copyright (c) 2016 Paul B Mahol
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/channel_layout.h"
#include "libavutil/intreadwrite.h"
#include "avformat.h"
#include "internal.h"
static int mtaf_probe(AVProbeData *p)
{
if (p->buf_size < 0x44)
return 0;
if (AV_RL32(p->buf) != MKTAG('M','T','A','F') ||
AV_RL32(p->buf + 0x40) != MKTAG('H','E','A','D'))
return 0;
return AVPROBE_SCORE_MAX;
}
static int mtaf_read_header(AVFormatContext *s)
{
int stream_count;
AVStream *st;
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
avio_skip(s->pb, 0x5c);
st->duration = avio_rl32(s->pb);
avio_skip(s->pb, 1);
stream_count = avio_r8(s->pb);
if (!stream_count)
return AVERROR_INVALIDDATA;
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = AV_CODEC_ID_ADPCM_MTAF;
st->codecpar->channels = 2 * stream_count;
st->codecpar->sample_rate = 48000;
st->codecpar->block_align = 0x110 * st->codecpar->channels / 2;
avpriv_set_pts_info(st, 64, 1, st->codecpar->sample_rate);
avio_seek(s->pb, 0x800, SEEK_SET);
return 0;
}
static int mtaf_read_packet(AVFormatContext *s, AVPacket *pkt)
{
AVCodecParameters *par = s->streams[0]->codecpar;
return av_get_packet(s->pb, pkt, par->block_align);
}
AVInputFormat ff_mtaf_demuxer = {
.name = "mtaf",
.long_name = NULL_IF_CONFIG_SMALL("Konami PS2 MTAF"),
.read_probe = mtaf_probe,
.read_header = mtaf_read_header,
.read_packet = mtaf_read_packet,
.extensions = "mtaf",
};
......@@ -30,7 +30,7 @@
#include "libavutil/version.h"
#define LIBAVFORMAT_VERSION_MAJOR 57
#define LIBAVFORMAT_VERSION_MINOR 36
#define LIBAVFORMAT_VERSION_MINOR 37
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
......
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