mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
/*
|
|
* ALAC encoder and decoder common data
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; 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 "alac_data.h"
|
|
|
|
const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS] = {
|
|
{ 0 },
|
|
{ 0, 1 },
|
|
{ 2, 0, 1 },
|
|
{ 2, 0, 1, 3 },
|
|
{ 2, 0, 1, 3, 4 },
|
|
{ 2, 0, 1, 4, 5, 3 },
|
|
{ 2, 0, 1, 4, 5, 6, 3 },
|
|
{ 2, 6, 7, 0, 1, 4, 5, 3 }
|
|
};
|
|
|
|
const uint64_t ff_alac_channel_layouts[ALAC_MAX_CHANNELS + 1] = {
|
|
AV_CH_LAYOUT_MONO,
|
|
AV_CH_LAYOUT_STEREO,
|
|
AV_CH_LAYOUT_SURROUND,
|
|
AV_CH_LAYOUT_4POINT0,
|
|
AV_CH_LAYOUT_5POINT0_BACK,
|
|
AV_CH_LAYOUT_5POINT1_BACK,
|
|
AV_CH_LAYOUT_6POINT1_BACK,
|
|
AV_CH_LAYOUT_7POINT1_WIDE_BACK,
|
|
0
|
|
};
|
|
|
|
const enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5] = {
|
|
{ TYPE_SCE, },
|
|
{ TYPE_CPE, },
|
|
{ TYPE_SCE, TYPE_CPE, },
|
|
{ TYPE_SCE, TYPE_CPE, TYPE_SCE },
|
|
{ TYPE_SCE, TYPE_CPE, TYPE_CPE, },
|
|
{ TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_SCE, },
|
|
{ TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_SCE, TYPE_SCE, },
|
|
{ TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_CPE, TYPE_SCE, },
|
|
};
|