yading@10: /*
yading@10:  * ALAC encoder and decoder common data
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #include "libavutil/channel_layout.h"
yading@10: #include "alac_data.h"
yading@10: 
yading@10: const uint8_t ff_alac_channel_layout_offsets[ALAC_MAX_CHANNELS][ALAC_MAX_CHANNELS] = {
yading@10:     { 0 },
yading@10:     { 0, 1 },
yading@10:     { 2, 0, 1 },
yading@10:     { 2, 0, 1, 3 },
yading@10:     { 2, 0, 1, 3, 4 },
yading@10:     { 2, 0, 1, 4, 5, 3 },
yading@10:     { 2, 0, 1, 4, 5, 6, 3 },
yading@10:     { 2, 6, 7, 0, 1, 4, 5, 3 }
yading@10: };
yading@10: 
yading@10: const uint64_t ff_alac_channel_layouts[ALAC_MAX_CHANNELS + 1] = {
yading@10:     AV_CH_LAYOUT_MONO,
yading@10:     AV_CH_LAYOUT_STEREO,
yading@10:     AV_CH_LAYOUT_SURROUND,
yading@10:     AV_CH_LAYOUT_4POINT0,
yading@10:     AV_CH_LAYOUT_5POINT0_BACK,
yading@10:     AV_CH_LAYOUT_5POINT1_BACK,
yading@10:     AV_CH_LAYOUT_6POINT1_BACK,
yading@10:     AV_CH_LAYOUT_7POINT1_WIDE_BACK,
yading@10:     0
yading@10: };
yading@10: 
yading@10: const enum AlacRawDataBlockType ff_alac_channel_elements[ALAC_MAX_CHANNELS][5] = {
yading@10:     { TYPE_SCE,                                         },
yading@10:     { TYPE_CPE,                                         },
yading@10:     { TYPE_SCE, TYPE_CPE,                               },
yading@10:     { TYPE_SCE, TYPE_CPE, TYPE_SCE                      },
yading@10:     { TYPE_SCE, TYPE_CPE, TYPE_CPE,                     },
yading@10:     { TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_SCE,           },
yading@10:     { TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_SCE, TYPE_SCE, },
yading@10:     { TYPE_SCE, TYPE_CPE, TYPE_CPE, TYPE_CPE, TYPE_SCE, },
yading@10: };