mirror of https://github.com/nu774/fdkaac.git
242 lines
16 KiB
C
242 lines
16 KiB
C
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#if !defined(__CoreAudioTypes_h__)
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#define __CoreAudioTypes_h__
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enum { kVariableLengthArray = 1 };
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typedef uint32_t AudioChannelLabel;
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typedef uint32_t AudioChannelLayoutTag;
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struct AudioChannelDescription
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{
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AudioChannelLabel mChannelLabel;
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uint32_t mChannelFlags;
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float mCoordinates[3];
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};
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typedef struct AudioChannelDescription AudioChannelDescription;
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struct AudioChannelLayout
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{
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AudioChannelLayoutTag mChannelLayoutTag;
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uint32_t mChannelBitmap;
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uint32_t mNumberChannelDescriptions;
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AudioChannelDescription mChannelDescriptions[kVariableLengthArray];
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};
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typedef struct AudioChannelLayout AudioChannelLayout;
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enum
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{
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kAudioChannelLabel_Unknown = 0xFFFFFFFF, // unknown or unspecified other use
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kAudioChannelLabel_Unused = 0, // channel is present, but has no intended use or destination
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kAudioChannelLabel_UseCoordinates = 100, // channel is described by the mCoordinates fields.
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kAudioChannelLabel_Left = 1,
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kAudioChannelLabel_Right = 2,
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kAudioChannelLabel_Center = 3,
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kAudioChannelLabel_LFEScreen = 4,
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kAudioChannelLabel_LeftSurround = 5, // WAVE: "Back Left"
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kAudioChannelLabel_RightSurround = 6, // WAVE: "Back Right"
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kAudioChannelLabel_LeftCenter = 7,
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kAudioChannelLabel_RightCenter = 8,
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kAudioChannelLabel_CenterSurround = 9, // WAVE: "Back Center" or plain "Rear Surround"
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kAudioChannelLabel_LeftSurroundDirect = 10, // WAVE: "Side Left"
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kAudioChannelLabel_RightSurroundDirect = 11, // WAVE: "Side Right"
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kAudioChannelLabel_TopCenterSurround = 12,
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kAudioChannelLabel_VerticalHeightLeft = 13, // WAVE: "Top Front Left"
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kAudioChannelLabel_VerticalHeightCenter = 14, // WAVE: "Top Front Center"
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kAudioChannelLabel_VerticalHeightRight = 15, // WAVE: "Top Front Right"
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kAudioChannelLabel_TopBackLeft = 16,
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kAudioChannelLabel_TopBackCenter = 17,
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kAudioChannelLabel_TopBackRight = 18,
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kAudioChannelLabel_RearSurroundLeft = 33,
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kAudioChannelLabel_RearSurroundRight = 34,
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kAudioChannelLabel_LeftWide = 35,
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kAudioChannelLabel_RightWide = 36,
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kAudioChannelLabel_LFE2 = 37,
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kAudioChannelLabel_LeftTotal = 38, // matrix encoded 4 channels
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kAudioChannelLabel_RightTotal = 39, // matrix encoded 4 channels
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kAudioChannelLabel_HearingImpaired = 40,
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kAudioChannelLabel_Narration = 41,
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kAudioChannelLabel_Mono = 42,
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kAudioChannelLabel_DialogCentricMix = 43,
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kAudioChannelLabel_CenterSurroundDirect = 44, // back center, non diffuse
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kAudioChannelLabel_Haptic = 45,
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// first order ambisonic channels
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kAudioChannelLabel_Ambisonic_W = 200,
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kAudioChannelLabel_Ambisonic_X = 201,
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kAudioChannelLabel_Ambisonic_Y = 202,
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kAudioChannelLabel_Ambisonic_Z = 203,
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// Mid/Side Recording
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kAudioChannelLabel_MS_Mid = 204,
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kAudioChannelLabel_MS_Side = 205,
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// X-Y Recording
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kAudioChannelLabel_XY_X = 206,
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kAudioChannelLabel_XY_Y = 207,
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// other
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kAudioChannelLabel_HeadphonesLeft = 301,
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kAudioChannelLabel_HeadphonesRight = 302,
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kAudioChannelLabel_ClickTrack = 304,
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kAudioChannelLabel_ForeignLanguage = 305,
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// generic discrete channel
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kAudioChannelLabel_Discrete = 400,
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// numbered discrete channel
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kAudioChannelLabel_Discrete_0 = (1L<<16) | 0,
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kAudioChannelLabel_Discrete_1 = (1L<<16) | 1,
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kAudioChannelLabel_Discrete_2 = (1L<<16) | 2,
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kAudioChannelLabel_Discrete_3 = (1L<<16) | 3,
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kAudioChannelLabel_Discrete_4 = (1L<<16) | 4,
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kAudioChannelLabel_Discrete_5 = (1L<<16) | 5,
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kAudioChannelLabel_Discrete_6 = (1L<<16) | 6,
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kAudioChannelLabel_Discrete_7 = (1L<<16) | 7,
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kAudioChannelLabel_Discrete_8 = (1L<<16) | 8,
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kAudioChannelLabel_Discrete_9 = (1L<<16) | 9,
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kAudioChannelLabel_Discrete_10 = (1L<<16) | 10,
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kAudioChannelLabel_Discrete_11 = (1L<<16) | 11,
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kAudioChannelLabel_Discrete_12 = (1L<<16) | 12,
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kAudioChannelLabel_Discrete_13 = (1L<<16) | 13,
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kAudioChannelLabel_Discrete_14 = (1L<<16) | 14,
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kAudioChannelLabel_Discrete_15 = (1L<<16) | 15,
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kAudioChannelLabel_Discrete_65535 = (1L<<16) | 65535
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};
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#define AudioChannelLayoutTag_GetNumberOfChannels(layoutTag) \
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((uint32_t)((layoutTag) & 0x0000FFFF))
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enum
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{
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kAudioChannelLayoutTag_UseChannelDescriptions = (0L<<16) | 0, // use the array of AudioChannelDescriptions to define the mapping.
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kAudioChannelLayoutTag_UseChannelBitmap = (1L<<16) | 0, // use the bitmap to define the mapping.
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kAudioChannelLayoutTag_Mono = (100L<<16) | 1, // a standard mono stream
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kAudioChannelLayoutTag_Stereo = (101L<<16) | 2, // a standard stereo stream (L R) - implied playback
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kAudioChannelLayoutTag_StereoHeadphones = (102L<<16) | 2, // a standard stereo stream (L R) - implied headphone playbac
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kAudioChannelLayoutTag_MatrixStereo = (103L<<16) | 2, // a matrix encoded stereo stream (Lt, Rt)
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kAudioChannelLayoutTag_MidSide = (104L<<16) | 2, // mid/side recording
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kAudioChannelLayoutTag_XY = (105L<<16) | 2, // coincident mic pair (often 2 figure 8's)
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kAudioChannelLayoutTag_Binaural = (106L<<16) | 2, // binaural stereo (left, right)
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kAudioChannelLayoutTag_Ambisonic_B_Format = (107L<<16) | 4, // W, X, Y, Z
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kAudioChannelLayoutTag_Quadraphonic = (108L<<16) | 4, // front left, front right, back left, back right
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kAudioChannelLayoutTag_Pentagonal = (109L<<16) | 5, // left, right, rear left, rear right, center
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kAudioChannelLayoutTag_Hexagonal = (110L<<16) | 6, // left, right, rear left, rear right, center, rear
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kAudioChannelLayoutTag_Octagonal = (111L<<16) | 8, // front left, front right, rear left, rear right,
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// front center, rear center, side left, side right
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kAudioChannelLayoutTag_Cube = (112L<<16) | 8, // left, right, rear left, rear right
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// top left, top right, top rear left, top rear right
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// MPEG defined layouts
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kAudioChannelLayoutTag_MPEG_1_0 = kAudioChannelLayoutTag_Mono, // C
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kAudioChannelLayoutTag_MPEG_2_0 = kAudioChannelLayoutTag_Stereo, // L R
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kAudioChannelLayoutTag_MPEG_3_0_A = (113L<<16) | 3, // L R C
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kAudioChannelLayoutTag_MPEG_3_0_B = (114L<<16) | 3, // C L R
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kAudioChannelLayoutTag_MPEG_4_0_A = (115L<<16) | 4, // L R C Cs
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kAudioChannelLayoutTag_MPEG_4_0_B = (116L<<16) | 4, // C L R Cs
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kAudioChannelLayoutTag_MPEG_5_0_A = (117L<<16) | 5, // L R C Ls Rs
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kAudioChannelLayoutTag_MPEG_5_0_B = (118L<<16) | 5, // L R Ls Rs C
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kAudioChannelLayoutTag_MPEG_5_0_C = (119L<<16) | 5, // L C R Ls Rs
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kAudioChannelLayoutTag_MPEG_5_0_D = (120L<<16) | 5, // C L R Ls Rs
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kAudioChannelLayoutTag_MPEG_5_1_A = (121L<<16) | 6, // L R C LFE Ls Rs
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kAudioChannelLayoutTag_MPEG_5_1_B = (122L<<16) | 6, // L R Ls Rs C LFE
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kAudioChannelLayoutTag_MPEG_5_1_C = (123L<<16) | 6, // L C R Ls Rs LFE
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kAudioChannelLayoutTag_MPEG_5_1_D = (124L<<16) | 6, // C L R Ls Rs LFE
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kAudioChannelLayoutTag_MPEG_6_1_A = (125L<<16) | 7, // L R C LFE Ls Rs Cs
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kAudioChannelLayoutTag_MPEG_7_1_A = (126L<<16) | 8, // L R C LFE Ls Rs Lc Rc
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kAudioChannelLayoutTag_MPEG_7_1_B = (127L<<16) | 8, // C Lc Rc L R Ls Rs LFE (doc: IS-13818-7 MPEG2-AAC Table 3.1)
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kAudioChannelLayoutTag_MPEG_7_1_C = (128L<<16) | 8, // L R C LFE Ls Rs Rls Rrs
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kAudioChannelLayoutTag_Emagic_Default_7_1 = (129L<<16) | 8, // L R Ls Rs C LFE Lc Rc
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kAudioChannelLayoutTag_SMPTE_DTV = (130L<<16) | 8, // L R C LFE Ls Rs Lt Rt
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// (kAudioChannelLayoutTag_ITU_5_1 plus a matrix encoded stereo mix)
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// ITU defined layouts
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kAudioChannelLayoutTag_ITU_1_0 = kAudioChannelLayoutTag_Mono, // C
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kAudioChannelLayoutTag_ITU_2_0 = kAudioChannelLayoutTag_Stereo, // L R
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kAudioChannelLayoutTag_ITU_2_1 = (131L<<16) | 3, // L R Cs
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kAudioChannelLayoutTag_ITU_2_2 = (132L<<16) | 4, // L R Ls Rs
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kAudioChannelLayoutTag_ITU_3_0 = kAudioChannelLayoutTag_MPEG_3_0_A, // L R C
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kAudioChannelLayoutTag_ITU_3_1 = kAudioChannelLayoutTag_MPEG_4_0_A, // L R C Cs
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kAudioChannelLayoutTag_ITU_3_2 = kAudioChannelLayoutTag_MPEG_5_0_A, // L R C Ls Rs
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kAudioChannelLayoutTag_ITU_3_2_1 = kAudioChannelLayoutTag_MPEG_5_1_A, // L R C LFE Ls Rs
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kAudioChannelLayoutTag_ITU_3_4_1 = kAudioChannelLayoutTag_MPEG_7_1_C, // L R C LFE Ls Rs Rls Rrs
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// DVD defined layouts
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kAudioChannelLayoutTag_DVD_0 = kAudioChannelLayoutTag_Mono, // C (mono)
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kAudioChannelLayoutTag_DVD_1 = kAudioChannelLayoutTag_Stereo, // L R
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kAudioChannelLayoutTag_DVD_2 = kAudioChannelLayoutTag_ITU_2_1, // L R Cs
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kAudioChannelLayoutTag_DVD_3 = kAudioChannelLayoutTag_ITU_2_2, // L R Ls Rs
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kAudioChannelLayoutTag_DVD_4 = (133L<<16) | 3, // L R LFE
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kAudioChannelLayoutTag_DVD_5 = (134L<<16) | 4, // L R LFE Cs
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kAudioChannelLayoutTag_DVD_6 = (135L<<16) | 5, // L R LFE Ls Rs
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kAudioChannelLayoutTag_DVD_7 = kAudioChannelLayoutTag_MPEG_3_0_A, // L R C
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kAudioChannelLayoutTag_DVD_8 = kAudioChannelLayoutTag_MPEG_4_0_A, // L R C Cs
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kAudioChannelLayoutTag_DVD_9 = kAudioChannelLayoutTag_MPEG_5_0_A, // L R C Ls Rs
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kAudioChannelLayoutTag_DVD_10 = (136L<<16) | 4, // L R C LFE
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kAudioChannelLayoutTag_DVD_11 = (137L<<16) | 5, // L R C LFE Cs
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kAudioChannelLayoutTag_DVD_12 = kAudioChannelLayoutTag_MPEG_5_1_A, // L R C LFE Ls Rs
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// 13 through 17 are duplicates of 8 through 12.
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kAudioChannelLayoutTag_DVD_13 = kAudioChannelLayoutTag_DVD_8, // L R C Cs
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kAudioChannelLayoutTag_DVD_14 = kAudioChannelLayoutTag_DVD_9, // L R C Ls Rs
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kAudioChannelLayoutTag_DVD_15 = kAudioChannelLayoutTag_DVD_10, // L R C LFE
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kAudioChannelLayoutTag_DVD_16 = kAudioChannelLayoutTag_DVD_11, // L R C LFE Cs
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kAudioChannelLayoutTag_DVD_17 = kAudioChannelLayoutTag_DVD_12, // L R C LFE Ls Rs
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kAudioChannelLayoutTag_DVD_18 = (138L<<16) | 5, // L R Ls Rs LFE
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kAudioChannelLayoutTag_DVD_19 = kAudioChannelLayoutTag_MPEG_5_0_B, // L R Ls Rs C
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kAudioChannelLayoutTag_DVD_20 = kAudioChannelLayoutTag_MPEG_5_1_B, // L R Ls Rs C LFE
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// These layouts are recommended for AudioUnit usage
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// These are the symmetrical layouts
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kAudioChannelLayoutTag_AudioUnit_4 = kAudioChannelLayoutTag_Quadraphonic,
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kAudioChannelLayoutTag_AudioUnit_5 = kAudioChannelLayoutTag_Pentagonal,
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kAudioChannelLayoutTag_AudioUnit_6 = kAudioChannelLayoutTag_Hexagonal,
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kAudioChannelLayoutTag_AudioUnit_8 = kAudioChannelLayoutTag_Octagonal,
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// These are the surround-based layouts
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kAudioChannelLayoutTag_AudioUnit_5_0 = kAudioChannelLayoutTag_MPEG_5_0_B, // L R Ls Rs C
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kAudioChannelLayoutTag_AudioUnit_6_0 = (139L<<16) | 6, // L R Ls Rs C Cs
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kAudioChannelLayoutTag_AudioUnit_7_0 = (140L<<16) | 7, // L R Ls Rs C Rls Rrs
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kAudioChannelLayoutTag_AudioUnit_7_0_Front = (148L<<16) | 7, // L R Ls Rs C Lc Rc
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kAudioChannelLayoutTag_AudioUnit_5_1 = kAudioChannelLayoutTag_MPEG_5_1_A, // L R C LFE Ls Rs
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kAudioChannelLayoutTag_AudioUnit_6_1 = kAudioChannelLayoutTag_MPEG_6_1_A, // L R C LFE Ls Rs Cs
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kAudioChannelLayoutTag_AudioUnit_7_1 = kAudioChannelLayoutTag_MPEG_7_1_C, // L R C LFE Ls Rs Rls Rrs
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kAudioChannelLayoutTag_AudioUnit_7_1_Front = kAudioChannelLayoutTag_MPEG_7_1_A, // L R C LFE Ls Rs Lc Rc
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kAudioChannelLayoutTag_AAC_3_0 = kAudioChannelLayoutTag_MPEG_3_0_B, // C L R
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kAudioChannelLayoutTag_AAC_Quadraphonic = kAudioChannelLayoutTag_Quadraphonic, // L R Ls Rs
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kAudioChannelLayoutTag_AAC_4_0 = kAudioChannelLayoutTag_MPEG_4_0_B, // C L R Cs
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kAudioChannelLayoutTag_AAC_5_0 = kAudioChannelLayoutTag_MPEG_5_0_D, // C L R Ls Rs
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kAudioChannelLayoutTag_AAC_5_1 = kAudioChannelLayoutTag_MPEG_5_1_D, // C L R Ls Rs Lfe
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kAudioChannelLayoutTag_AAC_6_0 = (141L<<16) | 6, // C L R Ls Rs Cs
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kAudioChannelLayoutTag_AAC_6_1 = (142L<<16) | 7, // C L R Ls Rs Cs Lfe
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kAudioChannelLayoutTag_AAC_7_0 = (143L<<16) | 7, // C L R Ls Rs Rls Rrs
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kAudioChannelLayoutTag_AAC_7_1 = kAudioChannelLayoutTag_MPEG_7_1_B, // C Lc Rc L R Ls Rs Lfe
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kAudioChannelLayoutTag_AAC_Octagonal = (144L<<16) | 8, // C L R Ls Rs Rls Rrs Cs
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kAudioChannelLayoutTag_TMH_10_2_std = (145L<<16) | 16, // L R C Vhc Lsd Rsd Ls Rs Vhl Vhr Lw Rw Csd Cs LFE1 LFE2
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kAudioChannelLayoutTag_TMH_10_2_full = (146L<<16) | 21, // TMH_10_2_std plus: Lc Rc HI VI Haptic
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kAudioChannelLayoutTag_AC3_1_0_1 = (149L<<16) | 2, // C LFE
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kAudioChannelLayoutTag_AC3_3_0 = (150L<<16) | 3, // L C R
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kAudioChannelLayoutTag_AC3_3_1 = (151L<<16) | 4, // L C R Cs
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kAudioChannelLayoutTag_AC3_3_0_1 = (152L<<16) | 4, // L C R LFE
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kAudioChannelLayoutTag_AC3_2_1_1 = (153L<<16) | 4, // L R Cs LFE
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kAudioChannelLayoutTag_AC3_3_1_1 = (154L<<16) | 5, // L C R Cs LFE
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kAudioChannelLayoutTag_DiscreteInOrder = (147L<<16) | 0, // needs to be ORed with the actual number of channels
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kAudioChannelLayoutTag_Unknown = 0xFFFF0000 // needs to be ORed with the actual number of channels
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};
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#endif
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