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ADP demuxer
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
parent
e7814ed839
commit
b4866f717c
@ -41,6 +41,7 @@ version <next>:
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- extractplanes filter
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- avectorscope filter
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- ADPCM DTK decoder
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- ADP demuxer
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version 1.2:
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@ -147,6 +147,8 @@ library:
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@tab Multimedia format used in game Heart Of Darkness.
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@item Apple HTTP Live Streaming @tab @tab X
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@item Artworx Data Format @tab @tab X
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@item ADP @tab @tab X
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@tab Audio format used on the Nintendo Gamecube.
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@item AFC @tab @tab X
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@tab Audio format used on the Nintendo Gamecube.
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@item ASF @tab X @tab X
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@ -55,6 +55,7 @@ OBJS-$(CONFIG_AC3_DEMUXER) += ac3dec.o rawdec.o
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OBJS-$(CONFIG_AC3_MUXER) += rawenc.o
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OBJS-$(CONFIG_ACT_DEMUXER) += act.o
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OBJS-$(CONFIG_ADF_DEMUXER) += bintext.o sauce.o
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OBJS-$(CONFIG_ADP_DEMUXER) += adp.o
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OBJS-$(CONFIG_ADX_DEMUXER) += adxdec.o
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OBJS-$(CONFIG_ADX_MUXER) += rawenc.o
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OBJS-$(CONFIG_ADTS_MUXER) += adtsenc.o
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91
libavformat/adp.c
Normal file
91
libavformat/adp.c
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@ -0,0 +1,91 @@
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/*
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* ADP demuxer
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* Copyright (c) 2013 James Almer
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/channel_layout.h"
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#include "libavutil/intreadwrite.h"
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#include "avformat.h"
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#include "internal.h"
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static int adp_probe(AVProbeData *p)
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{
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int i;
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if (p->buf_size < 32)
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return 0;
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for (i = 0; i < p->buf_size - 3; i+=32)
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if (p->buf[i] != p->buf[i+2] || p->buf[i+1] != p->buf[i+3])
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return 0;
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return p->buf_size < 260 ? 1 : AVPROBE_SCORE_MAX / 4;
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}
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static int adp_read_header(AVFormatContext *s)
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{
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AVStream *st;
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st = avformat_new_stream(s, NULL);
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if (!st)
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return AVERROR(ENOMEM);
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st->codec->codec_type = AVMEDIA_TYPE_AUDIO;
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st->codec->codec_id = AV_CODEC_ID_ADPCM_DTK;
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st->codec->channel_layout = AV_CH_LAYOUT_STEREO;
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st->codec->channels = 2;
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st->codec->sample_rate = 48000;
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st->start_time = 0;
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if (s->pb->seekable)
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st->duration = av_get_audio_frame_duration(st->codec, avio_size(s->pb));
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avpriv_set_pts_info(st, 64, 1, st->codec->sample_rate);
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return 0;
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}
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static int adp_read_packet(AVFormatContext *s, AVPacket *pkt)
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{
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int ret, size = 1024;
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if (url_feof(s->pb))
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return AVERROR_EOF;
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ret = av_get_packet(s->pb, pkt, size);
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if (ret != size) {
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if (ret < 0) {
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av_free_packet(pkt);
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return ret;
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}
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av_shrink_packet(pkt, ret);
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}
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pkt->stream_index = 0;
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return ret;
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}
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AVInputFormat ff_adp_demuxer = {
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.name = "adp",
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.long_name = NULL_IF_CONFIG_SMALL("ADP"),
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.read_probe = adp_probe,
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.read_header = adp_read_header,
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.read_packet = adp_read_packet,
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.extensions = "adp,dtk",
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};
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@ -65,6 +65,7 @@ void av_register_all(void)
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REGISTER_MUXDEMUX(AC3, ac3);
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REGISTER_DEMUXER (ACT, act);
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REGISTER_DEMUXER (ADF, adf);
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REGISTER_DEMUXER (ADP, adp);
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REGISTER_MUXER (ADTS, adts);
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REGISTER_MUXDEMUX(ADX, adx);
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REGISTER_DEMUXER (AEA, aea);
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@ -30,8 +30,8 @@
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#include "libavutil/avutil.h"
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#define LIBAVFORMAT_VERSION_MAJOR 55
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#define LIBAVFORMAT_VERSION_MINOR 4
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#define LIBAVFORMAT_VERSION_MICRO 101
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#define LIBAVFORMAT_VERSION_MINOR 5
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#define LIBAVFORMAT_VERSION_MICRO 100
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#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
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LIBAVFORMAT_VERSION_MINOR, \
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@ -16,6 +16,9 @@ fate-adpcm-creative-8-2.6bit: CMD = md5 -i $(SAMPLES)/creative/BBC_3BIT.VOC -f s
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FATE_ADPCM-$(call DEMDEC, VOC, ADPCM_SBPRO_4) += fate-adpcm-creative-8-4bit
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fate-adpcm-creative-8-4bit: CMD = md5 -i $(SAMPLES)/creative/BBC_4BIT.VOC -f s16le
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FATE_ADPCM-$(call DEMDEC, ADP, ADPCM_DTK) += fate-adpcm-dtk
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fate-adpcm-dtk: CMD = framecrc -i $(SAMPLES)/adp/shakespr_partial.adp -f s16le
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FATE_ADPCM-$(call DEMDEC, EA, ADPCM_EA) += fate-adpcm-ea-1
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fate-adpcm-ea-1: CMD = framecrc -i $(SAMPLES)/ea-wve/networkBackbone-partial.wve -frames:a 26 -vn
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33
tests/ref/fate/adpcm-dtk
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33
tests/ref/fate/adpcm-dtk
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@ -0,0 +1,33 @@
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#tb 0: 1/48000
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0, 0, 0, 896, 3584, 0xdae789d5
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0, 896, 896, 896, 3584, 0x168ed9b6
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0, 1792, 1792, 896, 3584, 0x8920c8d5
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0, 2688, 2688, 896, 3584, 0xaf0a3245
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0, 3584, 3584, 896, 3584, 0x884ee935
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0, 4480, 4480, 896, 3584, 0xe6a832ad
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0, 5376, 5376, 896, 3584, 0x1fa12ea2
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0, 6272, 6272, 896, 3584, 0xf119198c
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0, 7168, 7168, 896, 3584, 0x0a6dbf72
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0, 8064, 8064, 896, 3584, 0xd3467881
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0, 8960, 8960, 896, 3584, 0x25d504ec
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0, 9856, 9856, 896, 3584, 0x452730c9
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0, 10752, 10752, 896, 3584, 0x42b92ff1
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0, 11648, 11648, 896, 3584, 0x85c67bf3
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0, 12544, 12544, 896, 3584, 0xab4d99e9
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0, 13440, 13440, 896, 3584, 0xe5bfc4da
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0, 14336, 14336, 896, 3584, 0x7a5210e9
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0, 15232, 15232, 896, 3584, 0x5265fcd3
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0, 16128, 16128, 896, 3584, 0x76531427
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0, 17024, 17024, 896, 3584, 0xb2b8d7ab
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0, 17920, 17920, 896, 3584, 0x05a453e8
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0, 18816, 18816, 896, 3584, 0x742c45bb
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0, 19712, 19712, 896, 3584, 0x57aaee3b
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0, 20608, 20608, 896, 3584, 0x997bf703
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0, 21504, 21504, 896, 3584, 0xe2d14b13
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0, 22400, 22400, 896, 3584, 0xdafbdd2f
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0, 23296, 23296, 896, 3584, 0x448cec3a
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0, 24192, 24192, 896, 3584, 0xe6f6fb9c
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0, 25088, 25088, 896, 3584, 0x0310276a
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0, 25984, 25984, 896, 3584, 0x44bf04e9
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0, 26880, 26880, 896, 3584, 0xe2105d33
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0, 27776, 27776, 896, 3584, 0x08b7d5e0
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