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ADP demuxer

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2013-05-03 18:08:05 -03:00
parent e7814ed839
commit b4866f717c
8 changed files with 134 additions and 2 deletions
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1
Changelog
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@ -41,6 +41,7 @@ version <next>:
- extractplanes filter
- avectorscope filter
- ADPCM DTK decoder
- ADP demuxer
version 1.2:

2
doc/general.texi
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@ -147,6 +147,8 @@ library:
@tab Multimedia format used in game Heart Of Darkness.
@item Apple HTTP Live Streaming @tab @tab X
@item Artworx Data Format @tab @tab X
@item ADP @tab @tab X
@tab Audio format used on the Nintendo Gamecube.
@item AFC @tab @tab X
@tab Audio format used on the Nintendo Gamecube.
@item ASF @tab X @tab X

1
libavformat/Makefile
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@ -55,6 +55,7 @@ OBJS-$(CONFIG_AC3_DEMUXER) += ac3dec.o rawdec.o
OBJS-$(CONFIG_AC3_MUXER) += rawenc.o
OBJS-$(CONFIG_ACT_DEMUXER) += act.o
OBJS-$(CONFIG_ADF_DEMUXER) += bintext.o sauce.o
OBJS-$(CONFIG_ADP_DEMUXER) += adp.o
OBJS-$(CONFIG_ADX_DEMUXER) += adxdec.o
OBJS-$(CONFIG_ADX_MUXER) += rawenc.o
OBJS-$(CONFIG_ADTS_MUXER) += adtsenc.o

91
libavformat/adp.c Normal file
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@ -0,0 +1,91 @@
/*
* ADP demuxer
* Copyright (c) 2013 James Almer
*
* 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 adp_probe(AVProbeData *p)
{
int i;
if (p->buf_size < 32)
return 0;
for (i = 0; i < p->buf_size - 3; i+=32)
if (p->buf[i] != p->buf[i+2] || p->buf[i+1] != p->buf[i+3])
return 0;
return p->buf_size < 260 ? 1 : AVPROBE_SCORE_MAX / 4;
}
static int adp_read_header(AVFormatContext *s)
{
AVStream *st;
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
st->codec->codec_id = AV_CODEC_ID_ADPCM_DTK;
st->codec->channel_layout = AV_CH_LAYOUT_STEREO;
st->codec->channels = 2;
st->codec->sample_rate = 48000;
st->start_time = 0;
if (s->pb->seekable)
st->duration = av_get_audio_frame_duration(st->codec, avio_size(s->pb));
avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
return 0;
}
static int adp_read_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret, size = 1024;
if (url_feof(s->pb))
return AVERROR_EOF;
ret = av_get_packet(s->pb, pkt, size);
if (ret != size) {
if (ret < 0) {
av_free_packet(pkt);
return ret;
}
av_shrink_packet(pkt, ret);
}
pkt->stream_index = 0;
return ret;
}
AVInputFormat ff_adp_demuxer = {
.name = "adp",
.long_name = NULL_IF_CONFIG_SMALL("ADP"),
.read_probe = adp_probe,
.read_header = adp_read_header,
.read_packet = adp_read_packet,
.extensions = "adp,dtk",
};

1
libavformat/allformats.c
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@ -65,6 +65,7 @@ void av_register_all(void)
REGISTER_MUXDEMUX(AC3, ac3);
REGISTER_DEMUXER (ACT, act);
REGISTER_DEMUXER (ADF, adf);
REGISTER_DEMUXER (ADP, adp);
REGISTER_MUXER (ADTS, adts);
REGISTER_MUXDEMUX(ADX, adx);
REGISTER_DEMUXER (AEA, aea);

4
libavformat/version.h
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@ -30,8 +30,8 @@
#include "libavutil/avutil.h"
#define LIBAVFORMAT_VERSION_MAJOR 55
#define LIBAVFORMAT_VERSION_MINOR 4
#define LIBAVFORMAT_VERSION_MICRO 101
#define LIBAVFORMAT_VERSION_MINOR 5
#define LIBAVFORMAT_VERSION_MICRO 100
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \

3
tests/fate/adpcm.mak
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@ -16,6 +16,9 @@ fate-adpcm-creative-8-2.6bit: CMD = md5 -i $(SAMPLES)/creative/BBC_3BIT.VOC -f s
FATE_ADPCM-$(call DEMDEC, VOC, ADPCM_SBPRO_4) += fate-adpcm-creative-8-4bit
fate-adpcm-creative-8-4bit: CMD = md5 -i $(SAMPLES)/creative/BBC_4BIT.VOC -f s16le
FATE_ADPCM-$(call DEMDEC, ADP, ADPCM_DTK) += fate-adpcm-dtk
fate-adpcm-dtk: CMD = framecrc -i $(SAMPLES)/adp/shakespr_partial.adp -f s16le
FATE_ADPCM-$(call DEMDEC, EA, ADPCM_EA) += fate-adpcm-ea-1
fate-adpcm-ea-1: CMD = framecrc -i $(SAMPLES)/ea-wve/networkBackbone-partial.wve -frames:a 26 -vn

33
tests/ref/fate/adpcm-dtk Normal file
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@ -0,0 +1,33 @@
#tb 0: 1/48000
0, 0, 0, 896, 3584, 0xdae789d5
0, 896, 896, 896, 3584, 0x168ed9b6
0, 1792, 1792, 896, 3584, 0x8920c8d5
0, 2688, 2688, 896, 3584, 0xaf0a3245
0, 3584, 3584, 896, 3584, 0x884ee935
0, 4480, 4480, 896, 3584, 0xe6a832ad
0, 5376, 5376, 896, 3584, 0x1fa12ea2
0, 6272, 6272, 896, 3584, 0xf119198c
0, 7168, 7168, 896, 3584, 0x0a6dbf72
0, 8064, 8064, 896, 3584, 0xd3467881
0, 8960, 8960, 896, 3584, 0x25d504ec
0, 9856, 9856, 896, 3584, 0x452730c9
0, 10752, 10752, 896, 3584, 0x42b92ff1
0, 11648, 11648, 896, 3584, 0x85c67bf3
0, 12544, 12544, 896, 3584, 0xab4d99e9
0, 13440, 13440, 896, 3584, 0xe5bfc4da
0, 14336, 14336, 896, 3584, 0x7a5210e9
0, 15232, 15232, 896, 3584, 0x5265fcd3
0, 16128, 16128, 896, 3584, 0x76531427
0, 17024, 17024, 896, 3584, 0xb2b8d7ab
0, 17920, 17920, 896, 3584, 0x05a453e8
0, 18816, 18816, 896, 3584, 0x742c45bb
0, 19712, 19712, 896, 3584, 0x57aaee3b
0, 20608, 20608, 896, 3584, 0x997bf703
0, 21504, 21504, 896, 3584, 0xe2d14b13
0, 22400, 22400, 896, 3584, 0xdafbdd2f
0, 23296, 23296, 896, 3584, 0x448cec3a
0, 24192, 24192, 896, 3584, 0xe6f6fb9c
0, 25088, 25088, 896, 3584, 0x0310276a
0, 25984, 25984, 896, 3584, 0x44bf04e9
0, 26880, 26880, 896, 3584, 0xe2105d33
0, 27776, 27776, 896, 3584, 0x08b7d5e0