mirror of
				https://github.com/nyanmisaka/ffmpeg-rockchip.git
				synced 2025-10-31 20:42:49 +08:00 
			
		
		
		
	
		
			
				
	
	
		
			94 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * AAC decoder data
 | |
|  * Copyright (c) 2005-2006 Oded Shimon ( ods15 ods15 dyndns org )
 | |
|  * Copyright (c) 2006-2007 Maxim Gavrilov ( maxim.gavrilov gmail com )
 | |
|  *
 | |
|  * 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
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * @file
 | |
|  * AAC decoder data
 | |
|  * @author Oded Shimon  ( ods15 ods15 dyndns org )
 | |
|  * @author Maxim Gavrilov ( maxim.gavrilov gmail com )
 | |
|  */
 | |
| 
 | |
| #ifndef AVCODEC_AACDECTAB_H
 | |
| #define AVCODEC_AACDECTAB_H
 | |
| 
 | |
| #include "libavutil/channel_layout.h"
 | |
| #include "aac.h"
 | |
| 
 | |
| #include <stdint.h>
 | |
| 
 | |
| static const int8_t tags_per_config[16] = { 0, 1, 1, 2, 3, 3, 4, 5, 0, 0, 0, 4, 5, 16, 5, 0 };
 | |
| 
 | |
| static const uint8_t aac_channel_layout_map[16][16][3] = {
 | |
|     { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, },
 | |
|     { { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, },
 | |
|     { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, },
 | |
|     { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_SCE, 1, AAC_CHANNEL_BACK }, },
 | |
|     { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, },
 | |
|     { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
 | |
|     { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_FRONT }, { TYPE_CPE, 2, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
 | |
|     { { 0, } },
 | |
|     { { 0, } },
 | |
|     { { 0, } },
 | |
|     { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_BACK }, { TYPE_SCE, 1, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
 | |
|     { { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, { TYPE_CPE, 1, AAC_CHANNEL_SIDE }, { TYPE_CPE, 2, AAC_CHANNEL_BACK }, { TYPE_LFE, 0, AAC_CHANNEL_LFE  }, },
 | |
|     {
 | |
|       { TYPE_SCE, 0, AAC_CHANNEL_FRONT }, // SCE1 = FC,
 | |
|       { TYPE_CPE, 0, AAC_CHANNEL_FRONT }, // CPE1 = FLc and FRc,
 | |
|       { TYPE_CPE, 1, AAC_CHANNEL_FRONT }, // CPE2 = FL and FR,
 | |
|       { TYPE_CPE, 2, AAC_CHANNEL_SIDE  }, // CPE3 = SiL and SiR,
 | |
|       { TYPE_CPE, 3, AAC_CHANNEL_BACK  }, // CPE4 = BL and BR,
 | |
|       { TYPE_SCE, 1, AAC_CHANNEL_BACK  }, // SCE2 = BC,
 | |
|       { TYPE_LFE, 0, AAC_CHANNEL_LFE   }, // LFE1 = LFE1,
 | |
|       { TYPE_LFE, 1, AAC_CHANNEL_LFE   }, // LFE2 = LFE2,
 | |
|       { TYPE_SCE, 2, AAC_CHANNEL_FRONT }, // SCE3 = TpFC,
 | |
|       { TYPE_CPE, 4, AAC_CHANNEL_FRONT }, // CPE5 = TpFL and TpFR,
 | |
|       { TYPE_CPE, 5, AAC_CHANNEL_SIDE  }, // CPE6 = TpSiL and TpSiR,
 | |
|       { TYPE_SCE, 3, AAC_CHANNEL_FRONT }, // SCE4 = TpC,
 | |
|       { TYPE_CPE, 6, AAC_CHANNEL_BACK  }, // CPE7 = TpBL and TpBR,
 | |
|       { TYPE_SCE, 4, AAC_CHANNEL_BACK  }, // SCE5 = TpBC,
 | |
|       { TYPE_SCE, 5, AAC_CHANNEL_FRONT }, // SCE6 = BtFC,
 | |
|       { TYPE_CPE, 7, AAC_CHANNEL_FRONT }, // CPE8 = BtFL and BtFR
 | |
|     },
 | |
|     { { 0, } },
 | |
|     /* TODO: Add 7+1 TOP configuration */
 | |
| };
 | |
| 
 | |
| static const uint64_t aac_channel_layout[16] = {
 | |
|     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_7POINT1_WIDE_BACK,
 | |
|     0,
 | |
|     0,
 | |
|     0,
 | |
|     AV_CH_LAYOUT_6POINT1,
 | |
|     AV_CH_LAYOUT_7POINT1,
 | |
|     AV_CH_LAYOUT_22POINT2,
 | |
|     0,
 | |
|     /* AV_CH_LAYOUT_7POINT1_TOP, */
 | |
| };
 | |
| 
 | |
| #endif /* AVCODEC_AACDECTAB_H */
 | 
