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FFmpeg/libavformat/oma.c
Paul B Mahol 280a40dd27 avcodec: add ATRAC Advanced Lossless decoders
Only lossy part is decoded for now.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
2017-02-11 12:00:38 +01:00

51 lines
1.8 KiB
C

/*
* Sony OpenMG (OMA) common data
*
* 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 "internal.h"
#include "oma.h"
#include "libavcodec/avcodec.h"
#include "libavutil/channel_layout.h"
const uint16_t ff_oma_srate_tab[8] = { 320, 441, 480, 882, 960, 0 };
const AVCodecTag ff_oma_codec_tags[] = {
{ AV_CODEC_ID_ATRAC3, OMA_CODECID_ATRAC3 },
{ AV_CODEC_ID_ATRAC3P, OMA_CODECID_ATRAC3P },
{ AV_CODEC_ID_MP3, OMA_CODECID_MP3 },
{ AV_CODEC_ID_PCM_S16BE, OMA_CODECID_LPCM },
{ AV_CODEC_ID_ATRAC3PAL, OMA_CODECID_ATRAC3PAL },
{ AV_CODEC_ID_ATRAC3AL, OMA_CODECID_ATRAC3AL },
{ 0 },
};
/** map ATRAC-X channel id to internal channel layout */
const uint64_t ff_oma_chid_to_native_layout[7] = {
AV_CH_LAYOUT_MONO,
AV_CH_LAYOUT_STEREO,
AV_CH_LAYOUT_SURROUND,
AV_CH_LAYOUT_4POINT0,
AV_CH_LAYOUT_5POINT1_BACK,
AV_CH_LAYOUT_6POINT1_BACK,
AV_CH_LAYOUT_7POINT1
};
/** map ATRAC-X channel id to total number of channels */
const int ff_oma_chid_to_num_channels[7] = {1, 2, 3, 4, 6, 7, 8};