57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
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/*
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* ALAC encoder and decoder common data
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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 "alac_data.h"
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const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS] = {
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{ 0 },
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{ 0, 1 },
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{ 2, 0, 1 },
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{ 2, 0, 1, 3 },
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{ 2, 0, 1, 3, 4 },
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{ 2, 0, 1, 4, 5, 3 },
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{ 2, 0, 1, 4, 5, 6, 3 },
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{ 2, 6, 7, 0, 1, 4, 5, 3 }
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};
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const uint64_t ff_alac_channel_layouts[ALAC_MAX_CHANNELS + 1] = {
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AV_CH_LAYOUT_MONO,
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AV_CH_LAYOUT_STEREO,
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AV_CH_LAYOUT_SURROUND,
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AV_CH_LAYOUT_4POINT0,
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AV_CH_LAYOUT_5POINT0_BACK,
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AV_CH_LAYOUT_5POINT1_BACK,
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AV_CH_LAYOUT_6POINT1_BACK,
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AV_CH_LAYOUT_7POINT1_WIDE_BACK,
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0
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};
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const enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5] = {
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{ TYPE_SCE, },
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{ TYPE_CPE, },
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{ TYPE_SCE, TYPE_CPE, },
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{ TYPE_SCE, TYPE_CPE, TYPE_SCE },
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{ TYPE_SCE, TYPE_CPE, TYPE_CPE, },
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{ TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_SCE, },
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{ TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_SCE, TYPE_SCE, },
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{ TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_CPE, TYPE_SCE, },
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};
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