2
* common functions for reordering audio channels
4
* Copyright (C) 2007 Ulion <ulion A gmail P com>
6
* This file is part of MPlayer.
8
* MPlayer is free software; you can redistribute it and/or modify
9
* it under the terms of the GNU General Public License as published by
10
* the Free Software Foundation; either version 2 of the License, or
11
* (at your option) any later version.
13
* MPlayer is distributed in the hope that it will be useful,
14
* but WITHOUT ANY WARRANTY; without even the implied warranty of
15
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16
* GNU General Public License for more details.
18
* You should have received a copy of the GNU General Public License along
19
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
20
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23
#ifndef MPLAYER_REORDER_CH_H
24
#define MPLAYER_REORDER_CH_H
30
// Rs - Right Surround
31
// Cs - Center Surround
32
// Rls - Rear Left Surround
33
// Rrs - Rear Right Surround
37
#define AF_CHANNEL_LAYOUT_MONO ((100<<8)|1)
38
#define AF_CHANNEL_LAYOUT_STEREO ((101<<8)|2)
39
#define AF_CHANNEL_LAYOUT_1_0 AF_CHANNEL_LAYOUT_MONO // C
40
#define AF_CHANNEL_LAYOUT_2_0 AF_CHANNEL_LAYOUT_STEREO // L R
41
#define AF_CHANNEL_LAYOUT_2_1 ((102<<8)|3) // L R LFE
42
#define AF_CHANNEL_LAYOUT_3_0_A ((103<<8)|3) // L R C
43
#define AF_CHANNEL_LAYOUT_3_0_B ((104<<8)|3) // C L R
44
#define AF_CHANNEL_LAYOUT_4_0_A ((105<<8)|4) // L R C Cs
45
#define AF_CHANNEL_LAYOUT_4_0_B ((106<<8)|4) // C L R Cs
46
#define AF_CHANNEL_LAYOUT_4_0_C ((107<<8)|4) // L R Ls Rs
47
#define AF_CHANNEL_LAYOUT_5_0_A ((108<<8)|5) // L R C Ls Rs
48
#define AF_CHANNEL_LAYOUT_5_0_B ((109<<8)|5) // L R Ls Rs C
49
#define AF_CHANNEL_LAYOUT_5_0_C ((110<<8)|5) // L C R Ls Rs
50
#define AF_CHANNEL_LAYOUT_5_0_D ((111<<8)|5) // C L R Ls Rs
51
#define AF_CHANNEL_LAYOUT_5_1_A ((112<<8)|6|AF_LFE) // L R C LFE Ls Rs
52
#define AF_CHANNEL_LAYOUT_5_1_B ((113<<8)|6|AF_LFE) // L R Ls Rs C LFE
53
#define AF_CHANNEL_LAYOUT_5_1_C ((114<<8)|6|AF_LFE) // L C R Ls Rs LFE
54
#define AF_CHANNEL_LAYOUT_5_1_D ((115<<8)|6|AF_LFE) // C L R Ls Rs LFE
55
#define AF_CHANNEL_LAYOUT_5_1_E ((116<<8)|6|AF_LFE) // LFE L C R Ls Rs
56
#define AF_CHANNEL_LAYOUT_6_1_A ((117<<8)|7|AF_LFE) // L R C LFE Ls Rs Cs
57
#define AF_CHANNEL_LAYOUT_7_1_A ((118<<8)|8|AF_LFE) // L R C LFE Ls Rs Rls Rrs
60
#define AF_CHANNEL_LAYOUT_ALSA_5CH_DEFAULT AF_CHANNEL_LAYOUT_5_0_B
61
#define AF_CHANNEL_LAYOUT_ALSA_6CH_DEFAULT AF_CHANNEL_LAYOUT_5_1_B
62
#define AF_CHANNEL_LAYOUT_MPLAYER_5CH_DEFAULT AF_CHANNEL_LAYOUT_ALSA_5CH_DEFAULT
63
#define AF_CHANNEL_LAYOUT_MPLAYER_6CH_DEFAULT AF_CHANNEL_LAYOUT_ALSA_6CH_DEFAULT
64
#define AF_CHANNEL_LAYOUT_AAC_5CH_DEFAULT AF_CHANNEL_LAYOUT_5_0_D
65
#define AF_CHANNEL_LAYOUT_AAC_6CH_DEFAULT AF_CHANNEL_LAYOUT_5_1_D
66
#define AF_CHANNEL_LAYOUT_WAVEEX_5CH_DEFAULT AF_CHANNEL_LAYOUT_5_0_A
67
#define AF_CHANNEL_LAYOUT_WAVEEX_6CH_DEFAULT AF_CHANNEL_LAYOUT_5_1_A
68
#define AF_CHANNEL_LAYOUT_LAVC_AC3_5CH_DEFAULT AF_CHANNEL_LAYOUT_5_0_C
69
#define AF_CHANNEL_LAYOUT_LAVC_AC3_6CH_DEFAULT AF_CHANNEL_LAYOUT_5_1_C
70
#define AF_CHANNEL_LAYOUT_LAVC_LIBA52_5CH_DEFAULT AF_CHANNEL_LAYOUT_5_0_C
71
#define AF_CHANNEL_LAYOUT_LAVC_LIBA52_6CH_DEFAULT AF_CHANNEL_LAYOUT_5_1_E
72
#define AF_CHANNEL_LAYOUT_LAVC_DCA_5CH_DEFAULT AF_CHANNEL_LAYOUT_5_0_D
73
#define AF_CHANNEL_LAYOUT_LAVC_DCA_6CH_DEFAULT AF_CHANNEL_LAYOUT_5_1_D
74
#define AF_CHANNEL_LAYOUT_VORBIS_5CH_DEFAULT AF_CHANNEL_LAYOUT_5_0_C
75
#define AF_CHANNEL_LAYOUT_VORBIS_6CH_DEFAULT AF_CHANNEL_LAYOUT_5_1_C
76
#define AF_CHANNEL_LAYOUT_FLAC_5CH_DEFAULT AF_CHANNEL_LAYOUT_5_0_A
77
#define AF_CHANNEL_LAYOUT_FLAC_6CH_DEFAULT AF_CHANNEL_LAYOUT_5_1_A
79
#define AF_CHANNEL_MASK 0xFF
80
#define AF_GET_CH_NUM(A) ((A)&0x7F)
81
#define AF_GET_CH_NUM_WITH_LFE(A) ((A)&0xFF)
82
#define AF_IS_SAME_CH_NUM(A,B) (((A)&0xFF)==((B)&0xFF))
83
#define AF_IS_LAYOUT_SPECIFIED(A) ((A)&0xFFFFF800)
84
#define AF_IS_LAYOUT_UNSPECIFIED(A) (!AF_IS_LAYOUT_SPECIFIED(A))
86
/// Optimized channel reorder between channel layouts with same channel number.
87
void reorder_channel_copy(void *src,
94
/// Same with reorder_channel_copy, but works on single buffer.
95
void reorder_channel(void *buf,
101
// Channel layout definitions for different audio sources or targets
102
// When specified channel number, they will be map to the specific layouts.
103
#define AF_CHANNEL_LAYOUT_ALSA_DEFAULT 0
104
#define AF_CHANNEL_LAYOUT_AAC_DEFAULT 1
105
#define AF_CHANNEL_LAYOUT_WAVEEX_DEFAULT 2
106
#define AF_CHANNEL_LAYOUT_LAVC_AC3_DEFAULT 3
107
#define AF_CHANNEL_LAYOUT_LAVC_LIBA52_DEFAULT 4
108
#define AF_CHANNEL_LAYOUT_LAVC_DCA_DEFAULT 5
109
#define AF_CHANNEL_LAYOUT_VORBIS_DEFAULT 6
110
#define AF_CHANNEL_LAYOUT_FLAC_DEFAULT 7
111
#define AF_CHANNEL_LAYOUT_SOURCE_NUM 8
112
#define AF_CHANNEL_LAYOUT_MPLAYER_DEFAULT AF_CHANNEL_LAYOUT_ALSA_DEFAULT
114
/// Optimized channel reorder between different audio sources and targets.
115
void reorder_channel_copy_nch(void *src,
123
/// Same with reorder_channel_copy_nch, but works on single buffer.
124
void reorder_channel_nch(void *buf,
131
#endif /* MPLAYER_REORDER_CH_H */
added
removed
libaf/reorder_ch.h
