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 #include <vlc_aout.h>
  21
  22 struct CoreAudio_layout_s
  23 {
  24     uint32_t i_channels_layout_tag;
  25     uint32_t i_channels_bitmap;
  26     uint32_t i_channels_description_count;
  27     struct
  28     {
  29         uint32_t i_channel_label;
  30         uint32_t i_channel_flags;
  31         float    f_coordinates[3];
  32     } *p_descriptions;
  33 };
  34
  35 static inline void CoreAudio_Layout_Clean(struct CoreAudio_layout_s *c)
  36 {
  37     free( c->p_descriptions );
  38 }
  39
  40 /* According to Apple's CoreAudio_Bitmap/CoreAudio_BitmapTypes.h */
  41 enum
  42 {
  43     CoreAudio_Bitmap_LEFT                 = (1<<0),
  44     CoreAudio_Bitmap_RIGHT                = (1<<1),
  45     CoreAudio_Bitmap_CENTER               = (1<<2),
  46     CoreAudio_Bitmap_LFESCREEN            = (1<<3),
  47     CoreAudio_Bitmap_BACKLEFT             = (1<<4),
  48     CoreAudio_Bitmap_BACKRIGHT            = (1<<5),
  49     CoreAudio_Bitmap_LEFTCENTER           = (1<<6),
  50     CoreAudio_Bitmap_RIGHTCENTER          = (1<<7),
  51     CoreAudio_Bitmap_BACKCENTER           = (1<<8),
  52     CoreAudio_Bitmap_SIDELEFT             = (1<<9),
  53     CoreAudio_Bitmap_SIDERIGHT            = (1<<10),
  54     CoreAudio_Bitmap_TOPCENTER            = (1<<11),
  55     CoreAudio_Bitmap_TOPFRONTLEFT         = (1<<12),
  56     CoreAudio_Bitmap_TOPFRONTENTER        = (1<<13),
  57     CoreAudio_Bitmap_TOPFRONTRIGHT        = (1<<14),
  58     CoreAudio_Bitmap_TOPBACKLEFT          = (1<<15),
  59     CoreAudio_Bitmap_TOPBACKCENTER        = (1<<16),
  60     CoreAudio_Bitmap_TOPBACKRIGHT         = (1<<17),
  61 };
  62
  63 static const uint32_t pi_vlc_chan_order_CoreAudio[] =
  64 {
  65     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_CENTER,
  66     AOUT_CHAN_LFE,
  67     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
  68     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT, AOUT_CHAN_REARCENTER,
  69     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
  70     0
  71 };
  72
  73 static const struct
  74 {
  75     uint32_t i_bitmap;
  76     uint32_t i_vlc_bitmap;
  77 } CoreAudio_Bitmap_mapping[] = {
  78     { CoreAudio_Bitmap_LEFT,         AOUT_CHAN_LEFT },
  79     { CoreAudio_Bitmap_RIGHT,        AOUT_CHAN_RIGHT },
  80     { CoreAudio_Bitmap_CENTER,       AOUT_CHAN_CENTER },
  81     { CoreAudio_Bitmap_LFESCREEN,    AOUT_CHAN_LFE },
  82     { CoreAudio_Bitmap_BACKLEFT,     AOUT_CHAN_REARLEFT },
  83     { CoreAudio_Bitmap_BACKRIGHT,    AOUT_CHAN_REARRIGHT },
  84     { CoreAudio_Bitmap_LEFTCENTER,   AOUT_CHAN_LEFT },
  85     { CoreAudio_Bitmap_RIGHTCENTER,  AOUT_CHAN_RIGHT },
  86     { CoreAudio_Bitmap_BACKCENTER,   AOUT_CHAN_REARCENTER },
  87     { CoreAudio_Bitmap_SIDELEFT,     AOUT_CHAN_MIDDLELEFT },
  88     { CoreAudio_Bitmap_SIDERIGHT,    AOUT_CHAN_MIDDLERIGHT },
  89     { CoreAudio_Bitmap_TOPCENTER,    0 },
  90     { CoreAudio_Bitmap_TOPFRONTLEFT, 0 },
  91     { CoreAudio_Bitmap_TOPFRONTENTER,0 },
  92     { CoreAudio_Bitmap_TOPFRONTRIGHT,0 },
  93     { CoreAudio_Bitmap_TOPBACKLEFT,  0 },
  94     { CoreAudio_Bitmap_TOPBACKCENTER,0 },
  95     { CoreAudio_Bitmap_TOPBACKRIGHT, 0 },
  96 };
  97
  98 enum CoreAudio_Layout
  99 {
 100     CoreAudio_Layout_DESC               = 0,
 101     CoreAudio_Layout_BITMAP             = (1<<16),
 102
 103     CoreAudio_Layout_Mono               = (100<<16) | 1,
 104     CoreAudio_Layout_Stereo             = (101<<16) | 2,
 105     CoreAudio_Layout_StereoHeadphones   = (102<<16) | 2,
 106     CoreAudio_Layout_MatrixStereo       = (103<<16) | 2,
 107     CoreAudio_Layout_MidSide            = (104<<16) | 2,
 108     CoreAudio_Layout_XY                 = (105<<16) | 2,
 109     CoreAudio_Layout_Binaural           = (106<<16) | 2,
 110     CoreAudio_Layout_Ambisonic_B_Format = (107<<16) | 4,
 111
 112     CoreAudio_Layout_Quadraphonic       = (108<<16) | 4,
 113     CoreAudio_Layout_Pentagonal         = (109<<16) | 5,
 114     CoreAudio_Layout_Hexagonal          = (110<<16) | 6,
 115     CoreAudio_Layout_Octagonal          = (111<<16) | 8,
 116     CoreAudio_Layout_Cube               = (112<<16) | 8,
 117
 118     CoreAudio_Layout_MPEG_1_0           = CoreAudio_Layout_Mono,//  C
 119     CoreAudio_Layout_MPEG_2_0           = CoreAudio_Layout_Stereo, //  L R
 120     CoreAudio_Layout_MPEG_3_0_A         = (113<<16) | 3,  //  L R C
 121     CoreAudio_Layout_MPEG_3_0_B         = (114<<16) | 3,  //  C L R
 122     CoreAudio_Layout_MPEG_4_0_A         = (115<<16) | 4,  //  L R C Cs
 123     CoreAudio_Layout_MPEG_4_0_B         = (116<<16) | 4,  //  C L R Cs
 124     CoreAudio_Layout_MPEG_5_0_A         = (117<<16) | 5,  //  L R C Ls Rs
 125     CoreAudio_Layout_MPEG_5_0_B         = (118<<16) | 5,  //  L R Ls Rs C
 126     CoreAudio_Layout_MPEG_5_0_C         = (119<<16) | 5,  //  L C R Ls Rs
 127     CoreAudio_Layout_MPEG_5_0_D         = (120<<16) | 5,  //  C L R Ls Rs
 128     CoreAudio_Layout_MPEG_5_1_A         = (121<<16) | 6,  //  L R C LFE Ls Rs
 129     CoreAudio_Layout_MPEG_5_1_B         = (122<<16) | 6,  //  L R Ls Rs C LFE
 130     CoreAudio_Layout_MPEG_5_1_C         = (123<<16) | 6,  //  L C R Ls Rs LFE
 131     CoreAudio_Layout_MPEG_5_1_D         = (124<<16) | 6,  //  C L R Ls Rs LFE
 132     CoreAudio_Layout_MPEG_6_1_A         = (125<<16) | 7,  //  L R C LFE Ls Rs Cs
 133     CoreAudio_Layout_MPEG_7_1_A         = (126<<16) | 8,  //  L R C LFE Ls Rs Lc Rc
 134     CoreAudio_Layout_MPEG_7_1_B         = (127<<16) | 8,  //  C Lc Rc L R Ls Rs LFE    (13818-7 table 42)
 135     CoreAudio_Layout_MPEG_7_1_C         = (128<<16) | 8,  //  L R C LFE Ls Rs Rls Rrs
 136     CoreAudio_Layout_Emagic_Default_7_1 = (129<<16) | 8,  //  L R Ls Rs C LFE Lc Rc
 137     CoreAudio_Layout_SMPTE_DTV          = (130<<16) | 8,  //  L R C LFE Ls Rs Lt Rt
 138
 139     CoreAudio_Layout_ITU_1_0            = CoreAudio_Layout_Mono,//  C
 140     CoreAudio_Layout_ITU_2_0            = CoreAudio_Layout_Stereo, //  L R
 141
 142     CoreAudio_Layout_ITU_2_1            = (131<<16) | 3,  //  L R Cs
 143     CoreAudio_Layout_ITU_2_2            = (132<<16) | 4,  //  L R Ls Rs
 144     CoreAudio_Layout_ITU_3_0            = CoreAudio_Layout_MPEG_3_0_A,//  L R C
 145     CoreAudio_Layout_ITU_3_1            = CoreAudio_Layout_MPEG_4_0_A,//  L R C Cs
 146
 147     CoreAudio_Layout_ITU_3_2            = CoreAudio_Layout_MPEG_5_0_A,//  L R C Ls Rs
 148     CoreAudio_Layout_ITU_3_2_1          = CoreAudio_Layout_MPEG_5_1_A,//  L R C LFE Ls Rs
 149     CoreAudio_Layout_ITU_3_4_1          = CoreAudio_Layout_MPEG_7_1_C,//  L R C LFE Ls Rs Rls Rrs
 150
 151     CoreAudio_Layout_DVD_0              = CoreAudio_Layout_Mono,// C (mono)
 152     CoreAudio_Layout_DVD_1              = CoreAudio_Layout_Stereo, // L R
 153     CoreAudio_Layout_DVD_2              = CoreAudio_Layout_ITU_2_1,// L R Cs
 154     CoreAudio_Layout_DVD_3              = CoreAudio_Layout_ITU_2_2,// L R Ls Rs
 155     CoreAudio_Layout_DVD_4              = (133<<16) | 3,  // L R LFE
 156     CoreAudio_Layout_DVD_5              = (134<<16) | 4,  // L R LFE Cs
 157     CoreAudio_Layout_DVD_6              = (135<<16) | 5,  // L R LFE Ls Rs
 158     CoreAudio_Layout_DVD_7              = CoreAudio_Layout_MPEG_3_0_A,// L R C
 159     CoreAudio_Layout_DVD_8              = CoreAudio_Layout_MPEG_4_0_A,// L R C Cs
 160     CoreAudio_Layout_DVD_9              = CoreAudio_Layout_MPEG_5_0_A,// L R C Ls Rs
 161     CoreAudio_Layout_DVD_10             = (136<<16) | 4,  // L R C LFE
 162     CoreAudio_Layout_DVD_11             = (137<<16) | 5,  // L R C LFE Cs
 163     CoreAudio_Layout_DVD_12             = CoreAudio_Layout_MPEG_5_1_A,// L R C LFE Ls Rs
 164     CoreAudio_Layout_DVD_13             = CoreAudio_Layout_DVD_8,  // L R C Cs
 165     CoreAudio_Layout_DVD_14             = CoreAudio_Layout_DVD_9,  // L R C Ls Rs
 166     CoreAudio_Layout_DVD_15             = CoreAudio_Layout_DVD_10, // L R C LFE
 167     CoreAudio_Layout_DVD_16             = CoreAudio_Layout_DVD_11, // L R C LFE Cs
 168     CoreAudio_Layout_DVD_17             = CoreAudio_Layout_DVD_12, // L R C LFE Ls Rs
 169     CoreAudio_Layout_DVD_18             = (138<<16) | 5,  // L R Ls Rs LFE
 170     CoreAudio_Layout_DVD_19             = CoreAudio_Layout_MPEG_5_0_B,// L R Ls Rs C
 171     CoreAudio_Layout_DVD_20             = CoreAudio_Layout_MPEG_5_1_B,// L R Ls Rs C LFE
 172
 173     CoreAudio_Layout_AudioUnit_4        = CoreAudio_Layout_Quadraphonic,
 174     CoreAudio_Layout_AudioUnit_5        = CoreAudio_Layout_Pentagonal,
 175     CoreAudio_Layout_AudioUnit_6        = CoreAudio_Layout_Hexagonal,
 176     CoreAudio_Layout_AudioUnit_8        = CoreAudio_Layout_Octagonal,
 177
 178     CoreAudio_Layout_AudioUnit_5_0      = CoreAudio_Layout_MPEG_5_0_B,// L R Ls Rs C
 179     CoreAudio_Layout_AudioUnit_6_0      = (139<<16) | 6,  // L R Ls Rs C Cs
 180     CoreAudio_Layout_AudioUnit_7_0      = (140<<16) | 7,  // L R Ls Rs C Rls Rrs
 181     CoreAudio_Layout_AudioUnit_7_0_Front= (148<<16) | 7,  // L R Ls Rs C Lc Rc
 182     CoreAudio_Layout_AudioUnit_5_1      = CoreAudio_Layout_MPEG_5_1_A,// L R C LFE Ls Rs
 183     CoreAudio_Layout_AudioUnit_6_1      = CoreAudio_Layout_MPEG_6_1_A,// L R C LFE Ls Rs Cs
 184     CoreAudio_Layout_AudioUnit_7_1      = CoreAudio_Layout_MPEG_7_1_C,// L R C LFE Ls Rs Rls Rrs
 185     CoreAudio_Layout_AudioUnit_7_1_Front= CoreAudio_Layout_MPEG_7_1_A,// L R C LFE Ls Rs Lc Rc
 186
 187     CoreAudio_Layout_AAC_3_0            = CoreAudio_Layout_MPEG_3_0_B,// C L R
 188     CoreAudio_Layout_AAC_Quadraphonic   = CoreAudio_Layout_Quadraphonic, // L R Ls Rs
 189     CoreAudio_Layout_AAC_4_0            = CoreAudio_Layout_MPEG_4_0_B,// C L R Cs
 190     CoreAudio_Layout_AAC_5_0            = CoreAudio_Layout_MPEG_5_0_D,// C L R Ls Rs
 191     CoreAudio_Layout_AAC_5_1            = CoreAudio_Layout_MPEG_5_1_D,// C L R Ls Rs Lfe
 192     CoreAudio_Layout_AAC_6_0            = (141<<16) | 6,  // C L R Ls Rs Cs
 193     CoreAudio_Layout_AAC_6_1            = (142<<16) | 7,  // C L R Ls Rs Cs Lfe
 194     CoreAudio_Layout_AAC_7_0            = (143<<16) | 7,  // C L R Ls Rs Rls Rrs
 195     CoreAudio_Layout_AAC_7_1            = CoreAudio_Layout_MPEG_7_1_B,// C Lc Rc L R Ls Rs Lfe
 196     CoreAudio_Layout_AAC_7_1_B          = (183<<16) | 8,  // C L R Ls Rs Rls Rrs LFE
 197     CoreAudio_Layout_AAC_Octagonal      = (144<<16) | 8,  // C L R Ls Rs Rls Rrs Cs
 198
 199     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
 200     CoreAudio_Layout_TMH_10_2_full      = (146<<16) | 21, // TMH_10_2_std plus: Lc Rc HI VI Haptic
 201
 202     CoreAudio_Layout_AC3_1_0_1          = (149<<16) | 2,  // C LFE
 203     CoreAudio_Layout_AC3_3_0            = (150<<16) | 3,  // L C R
 204     CoreAudio_Layout_AC3_3_1            = (151<<16) | 4,  // L C R Cs
 205     CoreAudio_Layout_AC3_3_0_1          = (152<<16) | 4,  // L C R LFE
 206     CoreAudio_Layout_AC3_2_1_1          = (153<<16) | 4,  // L R Cs LFE
 207     CoreAudio_Layout_AC3_3_1_1          = (154<<16) | 5,  // L C R Cs LFE
 208
 209     CoreAudio_Layout_EAC_6_0_A          = (155<<16) | 6,  // L C R Ls Rs Cs
 210     CoreAudio_Layout_EAC_7_0_A          = (156<<16) | 7,  // L C R Ls Rs Rls Rrs
 211
 212     CoreAudio_Layout_EAC3_6_1_A         = (157<<16) | 7,  // L C R Ls Rs LFE Cs
 213     CoreAudio_Layout_EAC3_6_1_B         = (158<<16) | 7,  // L C R Ls Rs LFE Ts
 214     CoreAudio_Layout_EAC3_6_1_C         = (159<<16) | 7,  // L C R Ls Rs LFE Vhc
 215     CoreAudio_Layout_EAC3_7_1_A         = (160<<16) | 8,  // L C R Ls Rs LFE Rls Rrs
 216     CoreAudio_Layout_EAC3_7_1_B         = (161<<16) | 8,  // L C R Ls Rs LFE Lc Rc
 217     CoreAudio_Layout_EAC3_7_1_C         = (162<<16) | 8,  // L C R Ls Rs LFE Lsd Rsd
 218     CoreAudio_Layout_EAC3_7_1_D         = (163<<16) | 8,  // L C R Ls Rs LFE Lw Rw
 219     CoreAudio_Layout_EAC3_7_1_E         = (164<<16) | 8,  // L C R Ls Rs LFE Vhl Vhr
 220
 221     CoreAudio_Layout_EAC3_7_1_F         = (165<<16) | 8,// L C R Ls Rs LFE Cs Ts
 222     CoreAudio_Layout_EAC3_7_1_G         = (166<<16) | 8,// L C R Ls Rs LFE Cs Vhc
 223     CoreAudio_Layout_EAC3_7_1_H         = (167<<16) | 8,// L C R Ls Rs LFE Ts Vhc
 224
 225     CoreAudio_Layout_DTS_3_1            = (168<<16) | 4,// C L R LFE
 226     CoreAudio_Layout_DTS_4_1            = (169<<16) | 5,// C L R Cs LFE
 227     CoreAudio_Layout_DTS_6_0_A          = (170<<16) | 6,// Lc Rc L R Ls Rs
 228     CoreAudio_Layout_DTS_6_0_B          = (171<<16) | 6,// C L R Rls Rrs Ts
 229     CoreAudio_Layout_DTS_6_0_C          = (172<<16) | 6,// C Cs L R Rls Rrs
 230     CoreAudio_Layout_DTS_6_1_A          = (173<<16) | 7,// Lc Rc L R Ls Rs LFE
 231     CoreAudio_Layout_DTS_6_1_B          = (174<<16) | 7,// C L R Rls Rrs Ts LFE
 232     CoreAudio_Layout_DTS_6_1_C          = (175<<16) | 7,// C Cs L R Rls Rrs LFE
 233     CoreAudio_Layout_DTS_7_0            = (176<<16) | 7,// Lc C Rc L R Ls Rs
 234     CoreAudio_Layout_DTS_7_1            = (177<<16) | 8,// Lc C Rc L R Ls Rs LFE
 235     CoreAudio_Layout_DTS_8_0_A          = (178<<16) | 8,// Lc Rc L R Ls Rs Rls Rrs
 236     CoreAudio_Layout_DTS_8_0_B          = (179<<16) | 8,// Lc C Rc L R Ls Cs Rs
 237     CoreAudio_Layout_DTS_8_1_A          = (180<<16) | 9,// Lc Rc L R Ls Rs Rls Rrs LFE
 238     CoreAudio_Layout_DTS_8_1_B          = (181<<16) | 9,// Lc C Rc L R Ls Cs Rs LFE
 239     CoreAudio_Layout_DTS_6_1_D          = (182<<16) | 7,// C L R Ls Rs LFE Cs
 240
 241     CoreAudio_Layout_DiscreteInOrder    = (147<<16) | 0,
 242     CoreAudio_Layout_Unknown            = 0xFFFF0000
 243 };
 244
 245 static inline int CoreAudio_Bitmap_to_vlc_bitmap( const struct CoreAudio_layout_s *c,
 246                                                   uint16_t *pi_mapping,
 247                                                   uint8_t *pi_channels,
 248                                                   const uint32_t **pp_chans_order )
 249 {
 250     *pp_chans_order = pi_vlc_chan_order_CoreAudio;
 251     *pi_mapping = 0;
 252     *pi_channels = 0;
 253     for (uint8_t i=0;i<ARRAY_SIZE(CoreAudio_Bitmap_mapping);i++)
 254     {
 255         if ( CoreAudio_Bitmap_mapping[i].i_bitmap & c->i_channels_bitmap )
 256         {
 257             if ( (CoreAudio_Bitmap_mapping[i].i_vlc_bitmap & *pi_mapping) ||
 258                  *pi_channels >= AOUT_CHAN_MAX )
 259             {
 260                 /* double mapping or unsupported number of channels */
 261                 *pi_mapping = 0;
 262                 *pi_channels = 0;
 263                 return VLC_EGENERIC;
 264             }
 265             *pi_mapping |= CoreAudio_Bitmap_mapping[i].i_vlc_bitmap;
 266         }
 267     }
 268     return VLC_SUCCESS;
 269 }
 270
 271 static const uint32_t pi_vlc_chan_order_C[] = {
 272     AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
 273     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARCENTER, AOUT_CHAN_REARRIGHT,
 274     AOUT_CHAN_LFE,
 275     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 276     0
 277 };
 278
 279 static const uint32_t pi_vlc_chan_order_B[] = {
 280     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
 281     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
 282     AOUT_CHAN_CENTER,
 283     AOUT_CHAN_LFE,
 284     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 285     AOUT_CHAN_REARCENTER,
 286     0
 287 };
 288
 289 static const uint32_t pi_vlc_chan_order_AAC[] = {
 290     AOUT_CHAN_CENTER, AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
 291     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 292     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT, AOUT_CHAN_REARCENTER,
 293     AOUT_CHAN_LFE, 0
 294 };
 295
 296 static const uint32_t pi_vlc_chan_order_EAC[] = {
 297     AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
 298     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 299     AOUT_CHAN_LFE,
 300     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARCENTER, AOUT_CHAN_REARRIGHT,
 301     0
 302 };
 303
 304 static const uint32_t pi_vlc_chan_order_DTS[] = {
 305     AOUT_CHAN_LEFT, AOUT_CHAN_CENTER, AOUT_CHAN_RIGHT,
 306     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 307     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARCENTER, AOUT_CHAN_REARRIGHT,
 308     AOUT_CHAN_LFE,
 309     0
 310 };
 311
 312 static const uint32_t pi_vlc_chan_order_DTS_C[] = {
 313     AOUT_CHAN_CENTER, AOUT_CHAN_REARCENTER,
 314     AOUT_CHAN_LEFT, AOUT_CHAN_RIGHT,
 315     AOUT_CHAN_MIDDLELEFT, AOUT_CHAN_MIDDLERIGHT,
 316     AOUT_CHAN_REARLEFT, AOUT_CHAN_REARRIGHT,
 317     AOUT_CHAN_LFE,
 318     0
 319 };
 320
 321 static const struct
 322 {
 323     enum CoreAudio_Layout layout;
 324     const uint32_t *p_chans_order;
 325     uint16_t i_vlc_bitmap;
 326 } CoreAudio_Layout_mapping[] = {
 327     { CoreAudio_Layout_Mono,                                    NULL, AOUT_CHAN_CENTER },
 328     { CoreAudio_Layout_Stereo,                                  NULL, AOUT_CHANS_STEREO },
 329     { CoreAudio_Layout_StereoHeadphones,                        NULL, AOUT_CHANS_STEREO },
 330     { CoreAudio_Layout_Binaural,                                NULL, AOUT_CHANS_STEREO },
 331 //    CoreAudio_Layout_Ambisonic_B_Format
 332
 333     { CoreAudio_Layout_Quadraphonic,                            NULL, AOUT_CHANS_4_0_MIDDLE },
 334     { CoreAudio_Layout_Pentagonal,               pi_vlc_chan_order_B, AOUT_CHANS_4_0 | AOUT_CHAN_CENTER },
 335 //    { CoreAudio_Layout_Hexagonal
 336 //    { CoreAudio_Layout_Octagonal
 337 //    { CoreAudio_Layout_Cube
 338
 339     { CoreAudio_Layout_MPEG_3_0_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_0 },
 340     { CoreAudio_Layout_MPEG_3_0_B,                               NULL, AOUT_CHANS_3_0 },
 341     { CoreAudio_Layout_MPEG_4_0_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_0 | AOUT_CHAN_REARCENTER },
 342     { CoreAudio_Layout_MPEG_4_0_B,                               NULL, AOUT_CHANS_3_0 | AOUT_CHAN_REARCENTER },
 343     { CoreAudio_Layout_MPEG_5_0_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_5_0 },
 344     { CoreAudio_Layout_MPEG_5_0_B,                pi_vlc_chan_order_B, AOUT_CHANS_5_0 },
 345     { CoreAudio_Layout_MPEG_5_0_C,                pi_vlc_chan_order_C, AOUT_CHANS_5_0 },
 346     { CoreAudio_Layout_MPEG_5_0_D,                               NULL, AOUT_CHANS_5_0 },
 347     { CoreAudio_Layout_MPEG_5_1_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_5_1 },
 348     { CoreAudio_Layout_MPEG_5_1_B,                pi_vlc_chan_order_B, AOUT_CHANS_5_1 },
 349     { CoreAudio_Layout_MPEG_5_1_C,                pi_vlc_chan_order_C, AOUT_CHANS_5_1 },
 350     { CoreAudio_Layout_MPEG_5_1_D,                               NULL, AOUT_CHANS_5_1 },
 351     { CoreAudio_Layout_MPEG_6_1_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_5_1 | AOUT_CHAN_REARCENTER },
 352     { CoreAudio_Layout_MPEG_7_1_A,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_7_1 },
 353     { CoreAudio_Layout_MPEG_7_1_B,              pi_vlc_chan_order_AAC, AOUT_CHANS_7_1 },
 354     { CoreAudio_Layout_MPEG_7_1_C,        pi_vlc_chan_order_CoreAudio, AOUT_CHANS_7_1 },
 355     { CoreAudio_Layout_Emagic_Default_7_1,        pi_vlc_chan_order_B, AOUT_CHANS_7_1 },
 356
 357     { CoreAudio_Layout_ITU_2_1,           pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_0 },
 358     { CoreAudio_Layout_ITU_2_2,           pi_vlc_chan_order_CoreAudio, AOUT_CHANS_4_0 },
 359
 360     { CoreAudio_Layout_DVD_4,             pi_vlc_chan_order_CoreAudio, AOUT_CHANS_2_1 },
 361     { CoreAudio_Layout_DVD_5,             pi_vlc_chan_order_CoreAudio, AOUT_CHANS_2_1 | AOUT_CHAN_REARCENTER },
 362     { CoreAudio_Layout_DVD_6,             pi_vlc_chan_order_CoreAudio, AOUT_CHANS_2_1 | AOUT_CHANS_REAR },
 363     { CoreAudio_Layout_DVD_10,            pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_1 },
 364     { CoreAudio_Layout_DVD_11,            pi_vlc_chan_order_CoreAudio, AOUT_CHANS_3_1 | AOUT_CHAN_REARCENTER },
 365     { CoreAudio_Layout_DVD_18,                    pi_vlc_chan_order_B, AOUT_CHANS_5_1 },
 366
 367     { CoreAudio_Layout_AudioUnit_6_0,             pi_vlc_chan_order_B, AOUT_CHANS_5_0 | AOUT_CHAN_REARCENTER },
 368     //CoreAudio_Layout_AudioUnit_7_0
 369     { CoreAudio_Layout_AudioUnit_7_0_Front,       pi_vlc_chan_order_B, AOUT_CHANS_5_0 | AOUT_CHANS_MIDDLE },
 370
 371     { CoreAudio_Layout_AAC_6_0,                 pi_vlc_chan_order_AAC, AOUT_CHANS_5_0 | AOUT_CHAN_REARCENTER },
 372     { CoreAudio_Layout_AAC_6_1,                 pi_vlc_chan_order_AAC, AOUT_CHANS_5_0 | AOUT_CHAN_REARCENTER | AOUT_CHAN_LFE },
 373     { CoreAudio_Layout_AAC_7_0,                 pi_vlc_chan_order_AAC, AOUT_CHANS_5_0 | AOUT_CHANS_MIDDLE },
 374     { CoreAudio_Layout_AAC_7_1_B,               pi_vlc_chan_order_AAC, AOUT_CHANS_7_1 },
 375     { CoreAudio_Layout_AAC_Octagonal,           pi_vlc_chan_order_AAC, AOUT_CHANS_7_0 | AOUT_CHAN_REARCENTER },
 376
 377     // CoreAudio_Layout_TMH_10_2_std
 378     // CoreAudio_Layout_TMH_10_2_full
 379
 380     { CoreAudio_Layout_AC3_1_0_1,                 pi_vlc_chan_order_C, AOUT_CHAN_CENTER | AOUT_CHAN_LFE },
 381     { CoreAudio_Layout_AC3_3_0,                   pi_vlc_chan_order_C, AOUT_CHANS_3_0 },
 382     { CoreAudio_Layout_AC3_3_1,                   pi_vlc_chan_order_C, AOUT_CHANS_3_0 | AOUT_CHAN_REARCENTER },
 383     { CoreAudio_Layout_AC3_3_0_1,                 pi_vlc_chan_order_C, AOUT_CHANS_3_0 | AOUT_CHAN_LFE },
 384     { CoreAudio_Layout_AC3_2_1_1,                 pi_vlc_chan_order_C, AOUT_CHANS_2_1 | AOUT_CHAN_REARCENTER },
 385     { CoreAudio_Layout_AC3_3_1_1,                 pi_vlc_chan_order_C, AOUT_CHANS_3_1 | AOUT_CHAN_REARCENTER },
 386
 387     { CoreAudio_Layout_EAC_6_0_A,                 pi_vlc_chan_order_C, AOUT_CHANS_4_0 | AOUT_CHAN_CENTER | AOUT_CHAN_REARCENTER },
 388     { CoreAudio_Layout_EAC_7_0_A,                 pi_vlc_chan_order_C, AOUT_CHANS_6_0 | AOUT_CHAN_CENTER },
 389
 390     { CoreAudio_Layout_EAC3_6_1_A,              pi_vlc_chan_order_EAC, AOUT_CHANS_4_0 | AOUT_CHAN_CENTER | AOUT_CHAN_REARCENTER | AOUT_CHAN_LFE },
 391     // { CoreAudio_Layout_EAC3_6_1_B,              pi_vlc_chan_order_EAC, },
 392     // { CoreAudio_Layout_EAC3_6_1_C,              pi_vlc_chan_order_EAC, },
 393     // { CoreAudio_Layout_EAC3_7_1_A,              pi_vlc_chan_order_EAC, },
 394     { CoreAudio_Layout_EAC3_7_1_B,              pi_vlc_chan_order_EAC, AOUT_CHANS_7_1 },
 395     // { CoreAudio_Layout_EAC3_7_1_C,              pi_vlc_chan_order_EAC, },
 396     // { CoreAudio_Layout_EAC3_7_1_D,              pi_vlc_chan_order_EAC, },
 397     // { CoreAudio_Layout_EAC3_7_1_E,              pi_vlc_chan_order_EAC, },
 398
 399     // { CoreAudio_Layout_EAC3_7_1_F,              pi_vlc_chan_order_EAC, },
 400     // { CoreAudio_Layout_EAC3_7_1_G,              pi_vlc_chan_order_EAC, },
 401     // { CoreAudio_Layout_EAC3_7_1_H,              pi_vlc_chan_order_EAC, },
 402
 403     { CoreAudio_Layout_DTS_3_1,                                  NULL, AOUT_CHANS_3_1 },
 404     { CoreAudio_Layout_DTS_4_1,                                  NULL, AOUT_CHANS_3_1 | AOUT_CHAN_REARCENTER },
 405     { CoreAudio_Layout_DTS_6_0_A,                                NULL, AOUT_CHANS_6_0 },
 406     // { CoreAudio_Layout_DTS_6_0_B,                                NULL,  },
 407     { CoreAudio_Layout_DTS_6_0_C,             pi_vlc_chan_order_DTS_C, AOUT_CHANS_6_0 },
 408     { CoreAudio_Layout_DTS_6_1_A,                                NULL, AOUT_CHANS_6_1_MIDDLE },
 409     //{ CoreAudio_Layout_DTS_6_1_B,                                NULL,  },
 410     { CoreAudio_Layout_DTS_6_1_C,             pi_vlc_chan_order_DTS_C, AOUT_CHANS_6_1_MIDDLE },
 411     { CoreAudio_Layout_DTS_7_0,                 pi_vlc_chan_order_DTS, AOUT_CHANS_6_0 | AOUT_CHAN_CENTER },
 412     { CoreAudio_Layout_DTS_7_1,                 pi_vlc_chan_order_DTS, AOUT_CHANS_7_1 },
 413     // { CoreAudio_Layout_DTS_8_0_A
 414     { CoreAudio_Layout_DTS_8_0_B,               pi_vlc_chan_order_DTS, AOUT_CHANS_5_0 | AOUT_CHANS_MIDDLE | AOUT_CHAN_REARCENTER },
 415     //{ CoreAudio_Layout_DTS_8_1_A
 416     //{ CoreAudio_Layout_DTS_8_1_B          = (181<<16) | 9,// Lc C Rc L R Ls Cs Rs LFE
 417     //{ CoreAudio_Layout_DTS_6_1_D          = (182<<16) | 7,// C L R Ls Rs LFE Cs
 418 };
 419
 420 static inline int CoreAudio_Layout_to_vlc( const struct CoreAudio_layout_s *c,
 421                                            uint16_t *pi_bitmap,
 422                                            uint8_t *pi_channels,
 423                                            const uint32_t **pp_chans_order )
 424 {
 425     if( c->i_channels_layout_tag == CoreAudio_Layout_BITMAP )
 426         return CoreAudio_Bitmap_to_vlc_bitmap( c, pi_bitmap, pi_channels, pp_chans_order );
 427
 428     for (size_t i=0;i<ARRAY_SIZE(CoreAudio_Layout_mapping);i++)
 429     {
 430         if(CoreAudio_Layout_mapping[i].layout == c->i_channels_layout_tag )
 431         {
 432             *pi_bitmap = CoreAudio_Layout_mapping[i].i_vlc_bitmap;
 433             *pp_chans_order = CoreAudio_Layout_mapping[i].p_chans_order;
 434             *pi_channels = c->i_channels_layout_tag & 0xFF;
 435             break;
 436         }
 437     }
 438     return VLC_SUCCESS;
 439 }