modules/demux/mp4/coreaudio.h

   1 /*****************************************************************************
   2  * coreaudio.h : CoreAudio definitions for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2014-2018 VideoLabs, VLC authors and VideoLAN
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public License
  17  * along with this program; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  19  *****************************************************************************/
  20 #ifndef VLC_DEMUX_COREAUDIO_H
  21 #define VLC_DEMUX_COREAUDIO_H
  22 #include <vlc_aout.h>
  23
  24 struct CoreAudio_layout_s
  25 {
  26     uint32_t i_channels_layout_tag;
  27     uint32_t i_channels_bitmap;
  28     uint32_t i_channels_description_count;
  29     struct
  30     {
  31         uint32_t i_channel_label;
  32         uint32_t i_channel_flags;
  33         float    f_coordinates[3];
  34     } *p_descriptions;
  35 };
  36
  37 static inline void CoreAudio_Layout_Clean(struct CoreAudio_layout_s *c)
  38 {
  39     free( c->p_descriptions );
  40 }
  41
  42 /* According to Apple's CoreAudio_Bitmap/CoreAudio_BitmapTypes.h */
  43 enum
  44 {
  45     CoreAudio_Bitmap_LEFT                 = (1<<0),
  46     CoreAudio_Bitmap_RIGHT                = (1<<1),
  47     CoreAudio_Bitmap_CENTER               = (1<<2),
  48     CoreAudio_Bitmap_LFESCREEN            = (1<<3),
  49     CoreAudio_Bitmap_LEFTSURROUND         = (1<<4),
  50     CoreAudio_Bitmap_RIGHTSURROUND        = (1<<5),
  51     CoreAudio_Bitmap_LEFTCENTER           = (1<<6),
  52     CoreAudio_Bitmap_RIGHTCENTER          = (1<<7),
  53     CoreAudio_Bitmap_CENTERSURROUND       = (1<<8),
  54     CoreAudio_Bitmap_LEFTSURROUNDDIRECT   = (1<<9),
  55     CoreAudio_Bitmap_RIGHTSURROUNDDIRECT  = (1<<10),
  56     CoreAudio_Bitmap_TOPCENTERSURROUND    = (1<<11),
  57     CoreAudio_Bitmap_VHEIGHTLEFT          = (1<<12),
  58     CoreAudio_Bitmap_VHEIGHTCENTER        = (1<<13),
  59     CoreAudio_Bitmap_VHEIGHTRIGHT         = (1<<14),
  60     CoreAudio_Bitmap_TOPBACKLEFT          = (1<<15),
  61     CoreAudio_Bitmap_TOPBACKCENTER        = (1<<16),
  62     CoreAudio_Bitmap_TOPBACKRIGHT         = (1<<17),
  63     CoreAudio_Bitmap_LEFTTOPFRONT         = CoreAudio_Bitmap_VHEIGHTLEFT,
  64     CoreAudio_Bitmap_CENTERTOPFRONT       = CoreAudio_Bitmap_VHEIGHTCENTER,
  65     CoreAudio_Bitmap_RIGHTTOPFRONT        = CoreAudio_Bitmap_VHEIGHTRIGHT,
  66     CoreAudio_Bitmap_LEFTTOPMIDDLE        = (1<<21),
  67     CoreAudio_Bitmap_CENTERTOPMIDDLE      = CoreAudio_Bitmap_TOPCENTERSURROUND,
  68     CoreAudio_Bitmap_RIGHTTOPMIDDLE       = (1<<23),
  69     CoreAudio_Bitmap_LEFTTOPREAR          = (1<<24),
  70     CoreAudio_Bitmap_CENTERTOPREAR        = (1<<25),
  71     CoreAudio_Bitmap_RIGHTTOPREAR         = (1<<26),
  72 };
  73
  74 static const uint32_t pi_vlc_chan_order_CoreAudio[] =
  75 {
  76     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_CENTER,
  77     AOUT_CHAN_LFE,
  78     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
  79     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_REARCENTER,
  80     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
  81     0
  82 };
  83
  84 static const struct
  85 {
  86     uint32_t i_bitmap;
  87     uint32_t i_vlc_bitmap;
  88 } CoreAudio_Bitmap_mapping[] = {
  89     { CoreAudio_Bitmap_LEFT,         AOUT_CHAN_LEFT },
  90     { CoreAudio_Bitmap_RIGHT,        AOUT_CHAN_RIGHT },
  91     { CoreAudio_Bitmap_CENTER,       AOUT_CHAN_CENTER },
  92     { CoreAudio_Bitmap_LFESCREEN,    AOUT_CHAN_LFE },
  93     { CoreAudio_Bitmap_LEFTSURROUND,     AOUT_CHAN_REARLEFT },
  94     { CoreAudio_Bitmap_RIGHTSURROUND,    AOUT_CHAN_REARRIGHT },
  95     { CoreAudio_Bitmap_LEFTCENTER,   AOUT_CHAN_LEFT },
  96     { CoreAudio_Bitmap_RIGHTCENTER,  AOUT_CHAN_RIGHT },
  97     { CoreAudio_Bitmap_CENTERSURROUND,   AOUT_CHAN_REARCENTER },
  98     { CoreAudio_Bitmap_LEFTSURROUNDDIRECT,     AOUT_CHAN_MIDDLELEFT },
  99     { CoreAudio_Bitmap_RIGHTSURROUNDDIRECT,    AOUT_CHAN_MIDDLERIGHT },
 100     { CoreAudio_Bitmap_TOPCENTERSURROUND,    0 },
 101     { CoreAudio_Bitmap_VHEIGHTLEFT, 0 },
 102     { CoreAudio_Bitmap_VHEIGHTCENTER,0 },
 103     { CoreAudio_Bitmap_VHEIGHTRIGHT,0 },
 104     { CoreAudio_Bitmap_TOPBACKLEFT,  0 },
 105     { CoreAudio_Bitmap_TOPBACKCENTER,0 },
 106     { CoreAudio_Bitmap_TOPBACKRIGHT, 0 },
 107     // CoreAudio_Bitmap_LEFTTOPFRONT
 108     // CoreAudio_Bitmap_CENTERTOPFRONT
 109     // CoreAudio_Bitmap_RIGHTTOPFRONT
 110     { CoreAudio_Bitmap_LEFTTOPMIDDLE, 0 },
 111     // CoreAudio_Bitmap_CENTERTOPMIDDLE
 112     { CoreAudio_Bitmap_RIGHTTOPMIDDLE, 0 },
 113     { CoreAudio_Bitmap_LEFTTOPREAR, 0 },
 114     { CoreAudio_Bitmap_CENTERTOPREAR, 0 },
 115     { CoreAudio_Bitmap_RIGHTTOPREAR, 0 },
 116 };
 117
 118 enum CoreAudio_Layout
 119 {
 120     CoreAudio_Layout_DESC               = 0,
 121     CoreAudio_Layout_BITMAP             = (1<<16),
 122
 123     CoreAudio_Layout_Mono               = (100<<16) | 1,
 124     CoreAudio_Layout_Stereo             = (101<<16) | 2,
 125     CoreAudio_Layout_StereoHeadphones   = (102<<16) | 2,
 126     CoreAudio_Layout_MatrixStereo       = (103<<16) | 2,
 127     CoreAudio_Layout_MidSide            = (104<<16) | 2,
 128     CoreAudio_Layout_XY                 = (105<<16) | 2,
 129     CoreAudio_Layout_Binaural           = (106<<16) | 2,
 130     CoreAudio_Layout_Ambisonic_B_Format = (107<<16) | 4,
 131
 132     CoreAudio_Layout_Quadraphonic       = (108<<16) | 4,
 133     CoreAudio_Layout_Pentagonal         = (109<<16) | 5,
 134     CoreAudio_Layout_Hexagonal          = (110<<16) | 6,
 135     CoreAudio_Layout_Octagonal          = (111<<16) | 8,
 136     CoreAudio_Layout_Cube               = (112<<16) | 8,
 137
 138     CoreAudio_Layout_MPEG_1_0           = CoreAudio_Layout_Mono,//  C
 139     CoreAudio_Layout_MPEG_2_0           = CoreAudio_Layout_Stereo, //  L R
 140     CoreAudio_Layout_MPEG_3_0_A         = (113<<16) | 3,  //  L R C
 141     CoreAudio_Layout_MPEG_3_0_B         = (114<<16) | 3,  //  C L R
 142     CoreAudio_Layout_MPEG_4_0_A         = (115<<16) | 4,  //  L R C Cs
 143     CoreAudio_Layout_MPEG_4_0_B         = (116<<16) | 4,  //  C L R Cs
 144     CoreAudio_Layout_MPEG_5_0_A         = (117<<16) | 5,  //  L R C Ls Rs
 145     CoreAudio_Layout_MPEG_5_0_B         = (118<<16) | 5,  //  L R Ls Rs C
 146     CoreAudio_Layout_MPEG_5_0_C         = (119<<16) | 5,  //  L C R Ls Rs
 147     CoreAudio_Layout_MPEG_5_0_D         = (120<<16) | 5,  //  C L R Ls Rs
 148     CoreAudio_Layout_MPEG_5_1_A         = (121<<16) | 6,  //  L R C LFE Ls Rs
 149     CoreAudio_Layout_MPEG_5_1_B         = (122<<16) | 6,  //  L R Ls Rs C LFE
 150     CoreAudio_Layout_MPEG_5_1_C         = (123<<16) | 6,  //  L C R Ls Rs LFE
 151     CoreAudio_Layout_MPEG_5_1_D         = (124<<16) | 6,  //  C L R Ls Rs LFE
 152     CoreAudio_Layout_MPEG_6_1_A         = (125<<16) | 7,  //  L R C LFE Ls Rs Cs
 153     CoreAudio_Layout_MPEG_7_1_A         = (126<<16) | 8,  //  L R C LFE Ls Rs Lc Rc
 154     CoreAudio_Layout_MPEG_7_1_B         = (127<<16) | 8,  //  C Lc Rc L R Ls Rs LFE    (13818-7 table 42)
 155     CoreAudio_Layout_MPEG_7_1_C         = (128<<16) | 8,  //  L R C LFE Ls Rs Rls Rrs
 156     CoreAudio_Layout_Emagic_Default_7_1 = (129<<16) | 8,  //  L R Ls Rs C LFE Lc Rc
 157     CoreAudio_Layout_SMPTE_DTV          = (130<<16) | 8,  //  L R C LFE Ls Rs Lt Rt
 158
 159     CoreAudio_Layout_ITU_1_0            = CoreAudio_Layout_Mono,//  C
 160     CoreAudio_Layout_ITU_2_0            = CoreAudio_Layout_Stereo, //  L R
 161
 162     CoreAudio_Layout_ITU_2_1            = (131<<16) | 3,  //  L R Cs
 163     CoreAudio_Layout_ITU_2_2            = (132<<16) | 4,  //  L R Ls Rs
 164     CoreAudio_Layout_ITU_3_0            = CoreAudio_Layout_MPEG_3_0_A,//  L R C
 165     CoreAudio_Layout_ITU_3_1            = CoreAudio_Layout_MPEG_4_0_A,//  L R C Cs
 166
 167     CoreAudio_Layout_ITU_3_2            = CoreAudio_Layout_MPEG_5_0_A,//  L R C Ls Rs
 168     CoreAudio_Layout_ITU_3_2_1          = CoreAudio_Layout_MPEG_5_1_A,//  L R C LFE Ls Rs
 169     CoreAudio_Layout_ITU_3_4_1          = CoreAudio_Layout_MPEG_7_1_C,//  L R C LFE Ls Rs Rls Rrs
 170
 171     CoreAudio_Layout_DVD_0              = CoreAudio_Layout_Mono,// C (mono)
 172     CoreAudio_Layout_DVD_1              = CoreAudio_Layout_Stereo, // L R
 173     CoreAudio_Layout_DVD_2              = CoreAudio_Layout_ITU_2_1,// L R Cs
 174     CoreAudio_Layout_DVD_3              = CoreAudio_Layout_ITU_2_2,// L R Ls Rs
 175     CoreAudio_Layout_DVD_4              = (133<<16) | 3,  // L R LFE
 176     CoreAudio_Layout_DVD_5              = (134<<16) | 4,  // L R LFE Cs
 177     CoreAudio_Layout_DVD_6              = (135<<16) | 5,  // L R LFE Ls Rs
 178     CoreAudio_Layout_DVD_7              = CoreAudio_Layout_MPEG_3_0_A,// L R C
 179     CoreAudio_Layout_DVD_8              = CoreAudio_Layout_MPEG_4_0_A,// L R C Cs
 180     CoreAudio_Layout_DVD_9              = CoreAudio_Layout_MPEG_5_0_A,// L R C Ls Rs
 181     CoreAudio_Layout_DVD_10             = (136<<16) | 4,  // L R C LFE
 182     CoreAudio_Layout_DVD_11             = (137<<16) | 5,  // L R C LFE Cs
 183     CoreAudio_Layout_DVD_12             = CoreAudio_Layout_MPEG_5_1_A,// L R C LFE Ls Rs
 184     CoreAudio_Layout_DVD_13             = CoreAudio_Layout_DVD_8,  // L R C Cs
 185     CoreAudio_Layout_DVD_14             = CoreAudio_Layout_DVD_9,  // L R C Ls Rs
 186     CoreAudio_Layout_DVD_15             = CoreAudio_Layout_DVD_10, // L R C LFE
 187     CoreAudio_Layout_DVD_16             = CoreAudio_Layout_DVD_11, // L R C LFE Cs
 188     CoreAudio_Layout_DVD_17             = CoreAudio_Layout_DVD_12, // L R C LFE Ls Rs
 189     CoreAudio_Layout_DVD_18             = (138<<16) | 5,  // L R Ls Rs LFE
 190     CoreAudio_Layout_DVD_19             = CoreAudio_Layout_MPEG_5_0_B,// L R Ls Rs C
 191     CoreAudio_Layout_DVD_20             = CoreAudio_Layout_MPEG_5_1_B,// L R Ls Rs C LFE
 192
 193     CoreAudio_Layout_AudioUnit_4        = CoreAudio_Layout_Quadraphonic,
 194     CoreAudio_Layout_AudioUnit_5        = CoreAudio_Layout_Pentagonal,
 195     CoreAudio_Layout_AudioUnit_6        = CoreAudio_Layout_Hexagonal,
 196     CoreAudio_Layout_AudioUnit_8        = CoreAudio_Layout_Octagonal,
 197
 198     CoreAudio_Layout_AudioUnit_5_0      = CoreAudio_Layout_MPEG_5_0_B,// L R Ls Rs C
 199     CoreAudio_Layout_AudioUnit_6_0      = (139<<16) | 6,  // L R Ls Rs C Cs
 200     CoreAudio_Layout_AudioUnit_7_0      = (140<<16) | 7,  // L R Ls Rs C Rls Rrs
 201     CoreAudio_Layout_AudioUnit_7_0_Front= (148<<16) | 7,  // L R Ls Rs C Lc Rc
 202     CoreAudio_Layout_AudioUnit_5_1      = CoreAudio_Layout_MPEG_5_1_A,// L R C LFE Ls Rs
 203     CoreAudio_Layout_AudioUnit_6_1      = CoreAudio_Layout_MPEG_6_1_A,// L R C LFE Ls Rs Cs
 204     CoreAudio_Layout_AudioUnit_7_1      = CoreAudio_Layout_MPEG_7_1_C,// L R C LFE Ls Rs Rls Rrs
 205     CoreAudio_Layout_AudioUnit_7_1_Front= CoreAudio_Layout_MPEG_7_1_A,// L R C LFE Ls Rs Lc Rc
 206
 207     CoreAudio_Layout_AAC_3_0            = CoreAudio_Layout_MPEG_3_0_B,// C L R
 208     CoreAudio_Layout_AAC_Quadraphonic   = CoreAudio_Layout_Quadraphonic, // L R Ls Rs
 209     CoreAudio_Layout_AAC_4_0            = CoreAudio_Layout_MPEG_4_0_B,// C L R Cs
 210     CoreAudio_Layout_AAC_5_0            = CoreAudio_Layout_MPEG_5_0_D,// C L R Ls Rs
 211     CoreAudio_Layout_AAC_5_1            = CoreAudio_Layout_MPEG_5_1_D,// C L R Ls Rs Lfe
 212     CoreAudio_Layout_AAC_6_0            = (141<<16) | 6,  // C L R Ls Rs Cs
 213     CoreAudio_Layout_AAC_6_1            = (142<<16) | 7,  // C L R Ls Rs Cs Lfe
 214     CoreAudio_Layout_AAC_7_0            = (143<<16) | 7,  // C L R Ls Rs Rls Rrs
 215     CoreAudio_Layout_AAC_7_1            = CoreAudio_Layout_MPEG_7_1_B,// C Lc Rc L R Ls Rs Lfe
 216     CoreAudio_Layout_AAC_7_1_B          = (183<<16) | 8,  // C L R Ls Rs Rls Rrs LFE
 217     CoreAudio_Layout_AAC_Octagonal      = (144<<16) | 8,  // C L R Ls Rs Rls Rrs Cs
 218
 219     CoreAudio_Layout_TMH_10_2_std       = (145<<16) | 16, // L R C Vhc Lsd Rsd Ls Rs Vhl Vhr Lw Rw Csd Cs LFE1 LFE2
 220     CoreAudio_Layout_TMH_10_2_full      = (146<<16) | 21, // TMH_10_2_std plus: Lc Rc HI VI Haptic
 221
 222     CoreAudio_Layout_AC3_1_0_1          = (149<<16) | 2,  // C LFE
 223     CoreAudio_Layout_AC3_3_0            = (150<<16) | 3,  // L C R
 224     CoreAudio_Layout_AC3_3_1            = (151<<16) | 4,  // L C R Cs
 225     CoreAudio_Layout_AC3_3_0_1          = (152<<16) | 4,  // L C R LFE
 226     CoreAudio_Layout_AC3_2_1_1          = (153<<16) | 4,  // L R Cs LFE
 227     CoreAudio_Layout_AC3_3_1_1          = (154<<16) | 5,  // L C R Cs LFE
 228
 229     CoreAudio_Layout_EAC_6_0_A          = (155<<16) | 6,  // L C R Ls Rs Cs
 230     CoreAudio_Layout_EAC_7_0_A          = (156<<16) | 7,  // L C R Ls Rs Rls Rrs
 231
 232     CoreAudio_Layout_EAC3_6_1_A         = (157<<16) | 7,  // L C R Ls Rs LFE Cs
 233     CoreAudio_Layout_EAC3_6_1_B         = (158<<16) | 7,  // L C R Ls Rs LFE Ts
 234     CoreAudio_Layout_EAC3_6_1_C         = (159<<16) | 7,  // L C R Ls Rs LFE Vhc
 235     CoreAudio_Layout_EAC3_7_1_A         = (160<<16) | 8,  // L C R Ls Rs LFE Rls Rrs
 236     CoreAudio_Layout_EAC3_7_1_B         = (161<<16) | 8,  // L C R Ls Rs LFE Lc Rc
 237     CoreAudio_Layout_EAC3_7_1_C         = (162<<16) | 8,  // L C R Ls Rs LFE Lsd Rsd
 238     CoreAudio_Layout_EAC3_7_1_D         = (163<<16) | 8,  // L C R Ls Rs LFE Lw Rw
 239     CoreAudio_Layout_EAC3_7_1_E         = (164<<16) | 8,  // L C R Ls Rs LFE Vhl Vhr
 240
 241     CoreAudio_Layout_EAC3_7_1_F         = (165<<16) | 8,// L C R Ls Rs LFE Cs Ts
 242     CoreAudio_Layout_EAC3_7_1_G         = (166<<16) | 8,// L C R Ls Rs LFE Cs Vhc
 243     CoreAudio_Layout_EAC3_7_1_H         = (167<<16) | 8,// L C R Ls Rs LFE Ts Vhc
 244
 245     CoreAudio_Layout_DTS_3_1            = (168<<16) | 4,// C L R LFE
 246     CoreAudio_Layout_DTS_4_1            = (169<<16) | 5,// C L R Cs LFE
 247     CoreAudio_Layout_DTS_6_0_A          = (170<<16) | 6,// Lc Rc L R Ls Rs
 248     CoreAudio_Layout_DTS_6_0_B          = (171<<16) | 6,// C L R Rls Rrs Ts
 249     CoreAudio_Layout_DTS_6_0_C          = (172<<16) | 6,// C Cs L R Rls Rrs
 250     CoreAudio_Layout_DTS_6_1_A          = (173<<16) | 7,// Lc Rc L R Ls Rs LFE
 251     CoreAudio_Layout_DTS_6_1_B          = (174<<16) | 7,// C L R Rls Rrs Ts LFE
 252     CoreAudio_Layout_DTS_6_1_C          = (175<<16) | 7,// C Cs L R Rls Rrs LFE
 253     CoreAudio_Layout_DTS_7_0            = (176<<16) | 7,// Lc C Rc L R Ls Rs
 254     CoreAudio_Layout_DTS_7_1            = (177<<16) | 8,// Lc C Rc L R Ls Rs LFE
 255     CoreAudio_Layout_DTS_8_0_A          = (178<<16) | 8,// Lc Rc L R Ls Rs Rls Rrs
 256     CoreAudio_Layout_DTS_8_0_B          = (179<<16) | 8,// Lc C Rc L R Ls Cs Rs
 257     CoreAudio_Layout_DTS_8_1_A          = (180<<16) | 9,// Lc Rc L R Ls Rs Rls Rrs LFE
 258     CoreAudio_Layout_DTS_8_1_B          = (181<<16) | 9,// Lc C Rc L R Ls Cs Rs LFE
 259     CoreAudio_Layout_DTS_6_1_D          = (182<<16) | 7,// C L R Ls Rs LFE Cs
 260
 261     CoreAudio_Layout_WAVE_2_1           = CoreAudio_Layout_DVD_4,
 262     CoreAudio_Layout_WAVE_3_0           = CoreAudio_Layout_MPEG_3_0_A,
 263     CoreAudio_Layout_WAVE_4_0_A         = CoreAudio_Layout_ITU_2_2,
 264     CoreAudio_Layout_WAVE_4_0_B         = (185<<16) | 4,// L R Ls Rs
 265     CoreAudio_Layout_WAVE_5_0_A         = CoreAudio_Layout_MPEG_5_0_A,
 266     CoreAudio_Layout_WAVE_5_0_B         = (186<<16) | 5,// L R C Ls Rs
 267     CoreAudio_Layout_WAVE_5_1_A         = CoreAudio_Layout_MPEG_5_1_A,
 268     CoreAudio_Layout_WAVE_5_1_B         = (187<<16) | 6,// L R C LFE Ls Rs
 269     CoreAudio_Layout_WAVE_6_1           = (188<<16) | 7,// L R C LFE Cs Ls Rs
 270     CoreAudio_Layout_WAVE_7_1           = (189<<16) | 8,// L R C LFE Rls Rrs Ls Rs
 271
 272     CoreAudio_Layout_HOA_ACN_SN3D       = (190<<16) | 0,// Ambisonics SN3D
 273     CoreAudio_Layout_HOA_ACN_N3D        = (191<<16) | 0,// Ambisonics N3D
 274
 275     CoreAudio_Layout_Atmos_7_1_4        = (192<<16) | 12, // L R C LFE Ls Rs Rls Rrs Vhl VHr Ltr Rtr
 276     CoreAudio_Layout_Atmos_9_1_6        = (193<<16) | 16, // L R C LFE Ls Rs Rls Rrs Lw Rw Vhl VHr Ltm Rtm Ltr Rtr
 277     CoreAudio_Layout_Atmos_5_1_2        = (194<<16) | 8,  // L R C LFE Ls Rs Ltm Rtm
 278
 279     CoreAudio_Layout_DiscreteInOrder    = (147<<16) | 0,
 280     CoreAudio_Layout_Unknown            = 0xFFFF0000
 281 };
 282
 283 static inline int CoreAudio_Bitmap_to_vlc_bitmap( const struct CoreAudio_layout_s *c,
 284                                                   uint16_t *pi_mapping,
 285                                                   uint8_t *pi_channels,
 286                                                   const uint32_t **pp_chans_order )
 287 {
 288     *pp_chans_order = pi_vlc_chan_order_CoreAudio;
 289     *pi_mapping = 0;
 290     *pi_channels = 0;
 291     for (uint8_t i=0;i<ARRAY_SIZE(CoreAudio_Bitmap_mapping);i++)
 292     {
 293         if ( CoreAudio_Bitmap_mapping[i].i_bitmap & c->i_channels_bitmap )
 294         {
 295             if ( (CoreAudio_Bitmap_mapping[i].i_vlc_bitmap & *pi_mapping) ||
 296                  *pi_channels >= AOUT_CHAN_MAX )
 297             {
 298                 /* double mapping or unsupported number of channels */
 299                 *pi_mapping = 0;
 300                 *pi_channels = 0;
 301                 return VLC_EGENERIC;
 302             }
 303             *pi_mapping |= CoreAudio_Bitmap_mapping[i].i_vlc_bitmap;
 304         }
 305     }
 306     return VLC_SUCCESS;
 307 }
 308
 309 static const uint32_t pi_vlc_chan_order_C[] = {
 310     AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
 311     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARCENTER, AOUT_CHAN_REARRIGHT,
 312     AOUT_CHAN_LFE,
 313     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 314     0
 315 };
 316
 317 static const uint32_t pi_vlc_chan_order_B[] = {
 318     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
 319     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
 320     AOUT_CHAN_CENTER,
 321     AOUT_CHAN_LFE,
 322     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 323     AOUT_CHAN_REARCENTER,
 324     0
 325 };
 326
 327 static const uint32_t pi_vlc_chan_order_AAC[] = {
 328     AOUT_CHAN_CENTER, AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
 329     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 330     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, AOUT_CHAN_REARCENTER,
 331     AOUT_CHAN_LFE, 0
 332 };
 333
 334 static const uint32_t pi_vlc_chan_order_EAC[] = {
 335     AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
 336     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 337     AOUT_CHAN_LFE,
 338     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARCENTER, AOUT_CHAN_REARRIGHT,
 339     0
 340 };
 341
 342 static const uint32_t pi_vlc_chan_order_DTS[] = {
 343     AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
 344     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 345     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARCENTER, AOUT_CHAN_REARRIGHT,
 346     AOUT_CHAN_LFE,
 347     0
 348 };
 349
 350 static const uint32_t pi_vlc_chan_order_DTS_C[] = {
 351     AOUT_CHAN_CENTER, AOUT_CHAN_REARCENTER,
 352     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
 353     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 354     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
 355     AOUT_CHAN_LFE,
 356     0
 357 };
 358
 359 static const uint32_t pi_vlc_chan_order_Atmos[] = {
 360     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_CENTER,
 361     AOUT_CHAN_LFE,
 362     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
 363     /* Lw, Rw, VHl, VHr */
 364     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 365     /* Ltr, Rtr */
 366     0
 367 };
 368
 369 static const struct CoreAudioTableEntry
 370 {
 371     enum CoreAudio_Layout layout;
 372     const uint32_t *p_chans_order;
 373     uint16_t i_vlc_bitmap;
 374 } CoreAudio_Layout_mapping[] = {
 375     { CoreAudio_Layout_Mono,                                    NULL, AOUT_CHAN_CENTER },
 376     { CoreAudio_Layout_Stereo,                                  NULL, AOUT_CHANS_STEREO },
 377     { CoreAudio_Layout_StereoHeadphones,                        NULL, AOUT_CHANS_STEREO },
 378     { CoreAudio_Layout_Binaural,                                NULL, AOUT_CHANS_STEREO },
 379 //    CoreAudio_Layout_Ambisonic_B_Format
 380
 381     { CoreAudio_Layout_Quadraphonic,                            NULL, AOUT_CHANS_4_0_MIDDLE },
 382     { CoreAudio_Layout_Pentagonal,               pi_vlc_chan_order_B, AOUT_CHANS_4_0 | AOUT_CHAN_CENTER },
 383 //    { CoreAudio_Layout_Hexagonal
 384 //    { CoreAudio_Layout_Octagonal
 385 //    { CoreAudio_Layout_Cube
 386
 387     { CoreAudio_Layout_MPEG_3_0_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_0 },
 388     { CoreAudio_Layout_MPEG_3_0_B,                               NULL, AOUT_CHANS_3_0 },
 389     { CoreAudio_Layout_MPEG_4_0_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_0 | AOUT_CHAN_REARCENTER },
 390     { CoreAudio_Layout_MPEG_4_0_B,                               NULL, AOUT_CHANS_3_0 | AOUT_CHAN_REARCENTER },
 391     { CoreAudio_Layout_MPEG_5_0_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_5_0 },
 392     { CoreAudio_Layout_MPEG_5_0_B,                pi_vlc_chan_order_B, AOUT_CHANS_5_0 },
 393     { CoreAudio_Layout_MPEG_5_0_C,                pi_vlc_chan_order_C, AOUT_CHANS_5_0 },
 394     { CoreAudio_Layout_MPEG_5_0_D,                               NULL, AOUT_CHANS_5_0 },
 395     { CoreAudio_Layout_MPEG_5_1_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_5_1 },
 396     { CoreAudio_Layout_MPEG_5_1_B,                pi_vlc_chan_order_B, AOUT_CHANS_5_1 },
 397     { CoreAudio_Layout_MPEG_5_1_C,                pi_vlc_chan_order_C, AOUT_CHANS_5_1 },
 398     { CoreAudio_Layout_MPEG_5_1_D,                               NULL, AOUT_CHANS_5_1 },
 399     { CoreAudio_Layout_MPEG_6_1_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_5_1 | AOUT_CHAN_REARCENTER },
 400     { CoreAudio_Layout_MPEG_7_1_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_7_1 },
 401     { CoreAudio_Layout_MPEG_7_1_B,              pi_vlc_chan_order_AAC, AOUT_CHANS_7_1 },
 402     { CoreAudio_Layout_MPEG_7_1_C,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_7_1 },
 403     { CoreAudio_Layout_Emagic_Default_7_1,        pi_vlc_chan_order_B, AOUT_CHANS_7_1 },
 404
 405     { CoreAudio_Layout_ITU_2_1,           pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_0 },
 406     { CoreAudio_Layout_ITU_2_2,           pi_vlc_chan_order_CoreAudio, AOUT_CHANS_4_0 },
 407
 408     { CoreAudio_Layout_DVD_4,             pi_vlc_chan_order_CoreAudio, AOUT_CHANS_2_1 },
 409     { CoreAudio_Layout_DVD_5,             pi_vlc_chan_order_CoreAudio, AOUT_CHANS_2_1 | AOUT_CHAN_REARCENTER },
 410     { CoreAudio_Layout_DVD_6,             pi_vlc_chan_order_CoreAudio, AOUT_CHANS_2_1 | AOUT_CHANS_REAR },
 411     { CoreAudio_Layout_DVD_10,            pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_1 },
 412     { CoreAudio_Layout_DVD_11,            pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_1 | AOUT_CHAN_REARCENTER },
 413     { CoreAudio_Layout_DVD_18,                    pi_vlc_chan_order_B, AOUT_CHANS_5_1 },
 414
 415     { CoreAudio_Layout_AudioUnit_6_0,             pi_vlc_chan_order_B, AOUT_CHANS_5_0 | AOUT_CHAN_REARCENTER },
 416     //CoreAudio_Layout_AudioUnit_7_0
 417     { CoreAudio_Layout_AudioUnit_7_0_Front,       pi_vlc_chan_order_B, AOUT_CHANS_5_0 | AOUT_CHANS_MIDDLE },
 418
 419     { CoreAudio_Layout_AAC_6_0,                 pi_vlc_chan_order_AAC, AOUT_CHANS_5_0 | AOUT_CHAN_REARCENTER },
 420     { CoreAudio_Layout_AAC_6_1,                 pi_vlc_chan_order_AAC, AOUT_CHANS_5_0 | AOUT_CHAN_REARCENTER | AOUT_CHAN_LFE },
 421     { CoreAudio_Layout_AAC_7_0,                 pi_vlc_chan_order_AAC, AOUT_CHANS_5_0 | AOUT_CHANS_MIDDLE },
 422     { CoreAudio_Layout_AAC_7_1_B,               pi_vlc_chan_order_AAC, AOUT_CHANS_7_1 },
 423     { CoreAudio_Layout_AAC_Octagonal,           pi_vlc_chan_order_AAC, AOUT_CHANS_7_0 | AOUT_CHAN_REARCENTER },
 424
 425     // CoreAudio_Layout_TMH_10_2_std
 426     // CoreAudio_Layout_TMH_10_2_full
 427
 428     { CoreAudio_Layout_AC3_1_0_1,                 pi_vlc_chan_order_C, AOUT_CHAN_CENTER | AOUT_CHAN_LFE },
 429     { CoreAudio_Layout_AC3_3_0,                   pi_vlc_chan_order_C, AOUT_CHANS_3_0 },
 430     { CoreAudio_Layout_AC3_3_1,                   pi_vlc_chan_order_C, AOUT_CHANS_3_0 | AOUT_CHAN_REARCENTER },
 431     { CoreAudio_Layout_AC3_3_0_1,                 pi_vlc_chan_order_C, AOUT_CHANS_3_0 | AOUT_CHAN_LFE },
 432     { CoreAudio_Layout_AC3_2_1_1,                 pi_vlc_chan_order_C, AOUT_CHANS_2_1 | AOUT_CHAN_REARCENTER },
 433     { CoreAudio_Layout_AC3_3_1_1,                 pi_vlc_chan_order_C, AOUT_CHANS_3_1 | AOUT_CHAN_REARCENTER },
 434
 435     { CoreAudio_Layout_EAC_6_0_A,                 pi_vlc_chan_order_C, AOUT_CHANS_4_0 | AOUT_CHAN_CENTER | AOUT_CHAN_REARCENTER },
 436     { CoreAudio_Layout_EAC_7_0_A,                 pi_vlc_chan_order_C, AOUT_CHANS_6_0 | AOUT_CHAN_CENTER },
 437
 438     { CoreAudio_Layout_EAC3_6_1_A,              pi_vlc_chan_order_EAC, AOUT_CHANS_4_0 | AOUT_CHAN_CENTER | AOUT_CHAN_REARCENTER | AOUT_CHAN_LFE },
 439     // { CoreAudio_Layout_EAC3_6_1_B,              pi_vlc_chan_order_EAC, },
 440     // { CoreAudio_Layout_EAC3_6_1_C,              pi_vlc_chan_order_EAC, },
 441     // { CoreAudio_Layout_EAC3_7_1_A,              pi_vlc_chan_order_EAC, },
 442     { CoreAudio_Layout_EAC3_7_1_B,              pi_vlc_chan_order_EAC, AOUT_CHANS_7_1 },
 443     // { CoreAudio_Layout_EAC3_7_1_C,              pi_vlc_chan_order_EAC, },
 444     // { CoreAudio_Layout_EAC3_7_1_D,              pi_vlc_chan_order_EAC, },
 445     // { CoreAudio_Layout_EAC3_7_1_E,              pi_vlc_chan_order_EAC, },
 446
 447     // { CoreAudio_Layout_EAC3_7_1_F,              pi_vlc_chan_order_EAC, },
 448     // { CoreAudio_Layout_EAC3_7_1_G,              pi_vlc_chan_order_EAC, },
 449     // { CoreAudio_Layout_EAC3_7_1_H,              pi_vlc_chan_order_EAC, },
 450
 451     { CoreAudio_Layout_DTS_3_1,                                  NULL, AOUT_CHANS_3_1 },
 452     { CoreAudio_Layout_DTS_4_1,                                  NULL, AOUT_CHANS_3_1 | AOUT_CHAN_REARCENTER },
 453     { CoreAudio_Layout_DTS_6_0_A,                                NULL, AOUT_CHANS_6_0 },
 454     // { CoreAudio_Layout_DTS_6_0_B,                                NULL,  },
 455     { CoreAudio_Layout_DTS_6_0_C,             pi_vlc_chan_order_DTS_C, AOUT_CHANS_6_0 },
 456     { CoreAudio_Layout_DTS_6_1_A,                                NULL, AOUT_CHANS_6_1_MIDDLE },
 457     //{ CoreAudio_Layout_DTS_6_1_B,                                NULL,  },
 458     { CoreAudio_Layout_DTS_6_1_C,             pi_vlc_chan_order_DTS_C, AOUT_CHANS_6_1_MIDDLE },
 459     { CoreAudio_Layout_DTS_7_0,                 pi_vlc_chan_order_DTS, AOUT_CHANS_6_0 | AOUT_CHAN_CENTER },
 460     { CoreAudio_Layout_DTS_7_1,                 pi_vlc_chan_order_DTS, AOUT_CHANS_7_1 },
 461     // { CoreAudio_Layout_DTS_8_0_A
 462     { CoreAudio_Layout_DTS_8_0_B,               pi_vlc_chan_order_DTS, AOUT_CHANS_5_0 | AOUT_CHANS_MIDDLE | AOUT_CHAN_REARCENTER },
 463     //{ CoreAudio_Layout_DTS_8_1_A
 464     //{ CoreAudio_Layout_DTS_8_1_B          = (181<<16) | 9,// Lc C Rc L R Ls Cs Rs LFE
 465     //{ CoreAudio_Layout_DTS_6_1_D          = (182<<16) | 7,// C L R Ls Rs LFE Cs
 466
 467     // { CoreAudio_Layout_WAVE_2_1           = CoreAudio_Layout_DVD_4,
 468     // { CoreAudio_Layout_WAVE_3_0           = CoreAudio_Layout_MPEG_3_0_A,
 469     // { CoreAudio_Layout_WAVE_4_0_A         = CoreAudio_Layout_ITU_2_2,
 470     { CoreAudio_Layout_WAVE_4_0_B,                pi_vlc_chan_order_B, AOUT_CHANS_FRONT | AOUT_CHANS_MIDDLE },
 471     // { CoreAudio_Layout_WAVE_5_0_A         = CoreAudio_Layout_MPEG_5_0_A,
 472     { CoreAudio_Layout_WAVE_5_0_B,                pi_vlc_chan_order_B, AOUT_CHANS_FRONT | AOUT_CHAN_CENTER | AOUT_CHANS_MIDDLE },
 473     // { CoreAudio_Layout_WAVE_5_1_A         = CoreAudio_Layout_MPEG_5_1_A,
 474     { CoreAudio_Layout_WAVE_5_1_B,                pi_vlc_chan_order_B, AOUT_CHANS_FRONT | AOUT_CHAN_CENTER | AOUT_CHAN_LFE | AOUT_CHANS_MIDDLE  },
 475     //{ CoreAudio_Layout_WAVE_6_1,          pi_vlc_chan_order_CoreAudio, 0 },// L R C LFE Cs Ls Rs
 476     { CoreAudio_Layout_WAVE_7_1,          pi_vlc_chan_order_CoreAudio, AOUT_CHANS_7_0 | AOUT_CHAN_LFE },
 477
 478     // { CoreAudio_Layout_HOA_ACN_SN3D       = (190<<16) | 0,// Ambisonics SN3D
 479     // { CoreAudio_Layout_HOA_ACN_N3D        = (191<<16) | 0,// Ambisonics N3D
 480
 481     // { CoreAudio_Layout_Atmos_7_1_4        = (192<<16) | 12, // L R C LFE Ls Rs Rls Rrs Vhl VHr Ltr Rtr
 482     // { CoreAudio_Layout_Atmos_9_1_6        = (193<<16) | 16, // L R C LFE Ls Rs Rls Rrs Lw Rw Vhl VHr Ltm Rtm Ltr Rtr
 483     { CoreAudio_Layout_Atmos_5_1_2,           pi_vlc_chan_order_Atmos,  AOUT_CHANS_7_1 }, // L R C LFE Ls Rs Ltm Rtm
 484 };
 485
 486 static inline int CoreAudio_Layout_to_vlc( const struct CoreAudio_layout_s *c,
 487                                            uint16_t *pi_bitmap,
 488                                            uint8_t *pi_channels,
 489                                            const uint32_t **pp_chans_order )
 490 {
 491     if( c->i_channels_layout_tag == CoreAudio_Layout_BITMAP )
 492         return CoreAudio_Bitmap_to_vlc_bitmap( c, pi_bitmap, pi_channels, pp_chans_order );
 493
 494     for (size_t i=0;i<ARRAY_SIZE(CoreAudio_Layout_mapping);i++)
 495     {
 496         if(CoreAudio_Layout_mapping[i].layout == c->i_channels_layout_tag )
 497         {
 498             *pi_bitmap = CoreAudio_Layout_mapping[i].i_vlc_bitmap;
 499             *pp_chans_order = CoreAudio_Layout_mapping[i].p_chans_order;
 500             *pi_channels = c->i_channels_layout_tag & 0xFF;
 501             break;
 502         }
 503     }
 504     return VLC_SUCCESS;
 505 }
 506 #endif