485 lines
24 KiB
C++
485 lines
24 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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The code included in this file is provided under the terms of the ISC license
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http://www.isc.org/downloads/software-support-policy/isc-license. Permission
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To use, copy, modify, and/or distribute this software for any purpose with or
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without fee is hereby granted provided that the above copyright notice and
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this permission notice appear in all copies.
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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Represents a set of audio channel types.
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For example, you might have a set of left + right channels, which is a stereo
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channel set. It is a collection of values from the AudioChannelSet::ChannelType
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enum, where each type may only occur once within the set.
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The documentation below lists which AudioChannelSet corresponds to which native
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layouts used by AAX, VST2/VST3 and CoreAudio/AU. The layout tags in CoreAudio
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are particularly confusing. For example, the layout which is labeled as "7.1 SDDS"
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in Logic Pro, corresponds to CoreAudio/AU's kAudioChannelLayoutTag_DTS_7_0 tag, whereas
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AAX's DTS 7.1 Layout corresponds to CoreAudio/AU's
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kAudioChannelLayoutTag_MPEG_7_1_A format, etc. Please do not use the CoreAudio tag
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as an indication to the actual layout of the speakers.
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@see Bus
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@tags{Audio}
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*/
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class JUCE_API AudioChannelSet
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{
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public:
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/** Creates an empty channel set.
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You can call addChannel to add channels to the set.
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*/
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AudioChannelSet() = default;
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/** Creates a zero-channel set which can be used to indicate that a
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bus is disabled. */
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static AudioChannelSet JUCE_CALLTYPE disabled();
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//==============================================================================
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/** Creates a one-channel mono set (centre).
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Is equivalent to: kMonoAAX (VST), AAX_eStemFormat_Mono (AAX), kAudioChannelLayoutTag_Mono (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE mono();
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/** Creates a set containing a stereo set (left, right).
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Is equivalent to: kStereo (VST), AAX_eStemFormat_Stereo (AAX), kAudioChannelLayoutTag_Stereo (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE stereo();
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//==============================================================================
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/** Creates a set containing an LCR set (left, right, centre).
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Is equivalent to: k30Cine (VST), AAX_eStemFormat_LCR (AAX), kAudioChannelLayoutTag_MPEG_3_0_A (CoreAudio)
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This format is referred to as "LRC" in Cubase.
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This format is referred to as "LCR" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE createLCR();
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/** Creates a set containing an LRS set (left, right, surround).
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Is equivalent to: k30Music (VST), n/a (AAX), kAudioChannelLayoutTag_ITU_2_1 (CoreAudio)
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This format is referred to as "LRS" in Cubase.
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*/
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static AudioChannelSet JUCE_CALLTYPE createLRS();
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/** Creates a set containing an LCRS set (left, right, centre, surround).
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Is equivalent to: k40Cine (VST), AAX_eStemFormat_LCRS (AAX), kAudioChannelLayoutTag_MPEG_4_0_A (CoreAudio)
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This format is referred to as "LCRS (Pro Logic)" in Logic Pro.
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This format is referred to as "LRCS" in Cubase.
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This format is referred to as "LCRS" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE createLCRS();
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//==============================================================================
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/** Creates a set for a 5.0 surround setup (left, right, centre, leftSurround, rightSurround).
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Is equivalent to: k50 (VST), AAX_eStemFormat_5_0 (AAX), kAudioChannelLayoutTag_MPEG_5_0_A (CoreAudio)
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This format is referred to as "5.0" in Cubase.
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This format is referred to as "5.0" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE create5point0();
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/** Creates a set for a 5.1 surround setup (left, right, centre, leftSurround, rightSurround, LFE).
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Is equivalent to: k51 (VST), AAX_eStemFormat_5_1 (AAX), kAudioChannelLayoutTag_MPEG_5_1_A (CoreAudio)
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This format is referred to as "5.1 (ITU 775)" in Logic Pro.
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This format is referred to as "5.1" in Cubase.
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This format is referred to as "5.1" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE create5point1();
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/** Creates a set for a 6.0 Cine surround setup (left, right, centre, leftSurround, rightSurround, centreSurround).
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Is equivalent to: k60Cine (VST), AAX_eStemFormat_6_0 (AAX), kAudioChannelLayoutTag_AudioUnit_6_0 (CoreAudio)
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Logic Pro incorrectly uses this for the surround format labeled "6.1 (ES/EX)".
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This format is referred to as "6.0 Cine" in Cubase.
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This format is referred to as "6.0" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE create6point0();
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/** Creates a set for a 6.1 Cine surround setup (left, right, centre, leftSurround, rightSurround, centreSurround, LFE).
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Is equivalent to: k61Cine (VST), AAX_eStemFormat_6_1 (AAX), kAudioChannelLayoutTag_MPEG_6_1_A (CoreAudio)
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This format is referred to as "6.1" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE create6point1();
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/** Creates a set for a 6.0 Music surround setup (left, right, leftSurround, rightSurround, leftSurroundSide, rightSurroundSide).
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Is equivalent to: k60Music (VST), n/a (AAX), kAudioChannelLayoutTag_DTS_6_0_A (CoreAudio)
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This format is referred to as "6.0 Music" in Cubase.
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*/
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static AudioChannelSet JUCE_CALLTYPE create6point0Music();
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/** Creates a set for a 6.0 Music surround setup (left, right, leftSurround, rightSurround, leftSurroundSide, rightSurroundSide, LFE).
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Is equivalent to: k61Music (VST), n/a (AAX), kAudioChannelLayoutTag_DTS_6_1_A (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE create6point1Music();
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/** Creates a set for a DTS 7.0 surround setup (left, right, centre, leftSurroundSide, rightSurroundSide, leftSurroundRear, rightSurroundRear).
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Is equivalent to: k70Music (VST), AAX_eStemFormat_7_0_DTS (AAX), kAudioChannelLayoutTag_AudioUnit_7_0 (CoreAudio)
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This format is referred to as "7.0" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE create7point0();
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/** Creates a set for a SDDS 7.0 surround setup (left, right, centre, leftSurround, rightSurround, leftCentre, rightCentre).
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Is equivalent to: k70Cine (VST), AAX_eStemFormat_7_0_SDDS (AAX), kAudioChannelLayoutTag_AudioUnit_7_0_Front (CoreAudio)
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This format is referred to as "7.0 SDDS" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE create7point0SDDS();
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/** Creates a set for a DTS 7.1 surround setup (left, right, centre, leftSurroundSide, rightSurroundSide, leftSurroundRear, rightSurroundRear, LFE).
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Is equivalent to: k71CineSideFill (VST), AAX_eStemFormat_7_1_DTS (AAX), kAudioChannelLayoutTag_MPEG_7_1_C/kAudioChannelLayoutTag_ITU_3_4_1 (CoreAudio)
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This format is referred to as "7.1 (3/4.1)" in Logic Pro.
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This format is referred to as "7.1" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE create7point1();
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/** Creates a set for a 7.1 surround setup (left, right, centre, leftSurround, rightSurround, leftCentre, rightCentre, LFE).
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Is equivalent to: k71Cine (VST), AAX_eStemFormat_7_1_SDDS (AAX), kAudioChannelLayoutTag_MPEG_7_1_A (CoreAudio)
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This format is referred to as "7.1 (SDDS)" in Logic Pro.
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This format is referred to as "7.1 SDDS" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE create7point1SDDS();
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/** Creates a set for Dolby Atmos 7.0.2 surround setup (left, right, centre, leftSurroundSide, rightSurroundSide, leftSurroundRear, rightSurroundRear, topSideLeft, topSideRight).
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Is equivalent to: n/a (VST), AAX_eStemFormat_7_0_2 (AAX), n/a (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE create7point0point2();
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/** Creates a set for Dolby Atmos 7.1.2 surround setup (left, right, centre, leftSurroundSide, rightSurroundSide, leftSurroundRear, rightSurroundRear, LFE, topSideLeft, topSideRight).
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Is equivalent to: k71_2 (VST), AAX_eStemFormat_7_1_2 (AAX), n/a (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE create7point1point2();
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//==============================================================================
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/** Creates a set for quadraphonic surround setup (left, right, leftSurround, rightSurround)
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Is equivalent to: k40Music (VST), AAX_eStemFormat_Quad (AAX), kAudioChannelLayoutTag_Quadraphonic (CoreAudio)
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This format is referred to as "Quadraphonic" in Logic Pro.
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This format is referred to as "Quadro" in Cubase.
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This format is referred to as "Quad" in Pro Tools.
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*/
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static AudioChannelSet JUCE_CALLTYPE quadraphonic();
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/** Creates a set for pentagonal surround setup (left, right, centre, leftSurroundRear, rightSurroundRear).
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Is equivalent to: n/a (VST), n/a (AAX), kAudioChannelLayoutTag_Pentagonal (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE pentagonal();
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/** Creates a set for hexagonal surround setup (left, right, leftSurroundRear, rightSurroundRear, centre, surroundCentre).
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Is equivalent to: n/a (VST), n/a (AAX), kAudioChannelLayoutTag_Hexagonal (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE hexagonal();
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/** Creates a set for octagonal surround setup (left, right, leftSurround, rightSurround, centre, centreSurround, wideLeft, wideRight).
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Is equivalent to: n/a (VST), n/a (AAX), kAudioChannelLayoutTag_Octagonal (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE octagonal();
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//==============================================================================
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/** Creates a set for ACN, SN3D normalised ambisonic surround setups with a given order.
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Is equivalent to: kAmbiXXXOrderACN (VST), AAX_eStemFormat_Ambi_XXX_ACN (AAX), kAudioChannelLayoutTag_HOA_ACN_SN3D (CoreAudio)
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*/
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static AudioChannelSet JUCE_CALLTYPE ambisonic (int order = 1);
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/** Returns the order of the ambisonic layout represented by this AudioChannelSet. If the
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AudioChannelSet is not an ambisonic layout, then this method will return -1.
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*/
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int getAmbisonicOrder() const;
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//==============================================================================
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/** Creates a set of untyped discrete channels. */
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static AudioChannelSet JUCE_CALLTYPE discreteChannels (int numChannels);
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/** Create a canonical channel set for a given number of channels.
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For example, numChannels = 1 will return mono, numChannels = 2 will return stereo, etc. */
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static AudioChannelSet JUCE_CALLTYPE canonicalChannelSet (int numChannels);
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/** Create a channel set for a given number of channels which is non-discrete.
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If numChannels is larger than the number of channels of the surround format
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with the maximum amount of channels (currently 7.1 Surround), then this
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function returns an empty set.*/
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static AudioChannelSet JUCE_CALLTYPE namedChannelSet (int numChannels);
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/** Return an array of channel sets which have a given number of channels */
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static Array<AudioChannelSet> JUCE_CALLTYPE channelSetsWithNumberOfChannels (int numChannels);
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//==============================================================================
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/** Represents different audio channel types. */
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enum ChannelType
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{
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unknown = 0, /**< Unknown channel type. */
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//==============================================================================
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left = 1, /**< L channel. */
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right = 2, /**< R channel. */
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centre = 3, /**< C channel. (Sometimes M for mono) */
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//==============================================================================
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LFE = 4, /**< LFE channel. */
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leftSurround = 5, /**< Ls channel. */
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rightSurround = 6, /**< Rs channel. */
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leftCentre = 7, /**< Lc (AAX/VST), Lc used as Lss in AU for most layouts. */
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rightCentre = 8, /**< Rc (AAX/VST), Rc used as Rss in AU for most layouts. */
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centreSurround = 9, /**< Cs/S channel. */
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surround = centreSurround, /**< Same as Centre Surround channel. */
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leftSurroundSide = 10, /**< Lss (AXX), Side Left "Sl" (VST), Left Centre "LC" (AU) channel. */
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rightSurroundSide = 11, /**< Rss (AXX), Side right "Sr" (VST), Right Centre "Rc" (AU) channel. */
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topMiddle = 12, /**< Top Middle channel. */
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topFrontLeft = 13, /**< Top Front Left channel. */
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topFrontCentre = 14, /**< Top Front Centre channel. */
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topFrontRight = 15, /**< Top Front Right channel. */
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topRearLeft = 16, /**< Top Rear Left channel. */
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topRearCentre = 17, /**< Top Rear Centre channel. */
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topRearRight = 18, /**< Top Rear Right channel. */
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LFE2 = 19, /**< Second LFE channel. */
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leftSurroundRear = 20, /**< Lsr (AAX), Lcs (VST), Rls (AU) channel. */
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rightSurroundRear = 21, /**< Rsr (AAX), Rcs (VST), Rrs (AU) channel. */
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wideLeft = 22, /**< Wide Left channel. */
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wideRight = 23, /**< Wide Right channel. */
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//==============================================================================
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// Used by Dolby Atmos 7.0.2 and 7.1.2
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topSideLeft = 28, /**< Lts (AAX), Tsl (VST) channel for Dolby Atmos. */
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topSideRight = 29, /**< Rts (AAX), Tsr (VST) channel for Dolby Atmos. */
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//==============================================================================
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// Ambisonic ACN formats - all channels are SN3D normalised
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// zero-th and first-order ambisonic ACN
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ambisonicACN0 = 24, /**< Zero-th ambisonic channel number 0. */
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ambisonicACN1 = 25, /**< First-order ambisonic channel number 1. */
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ambisonicACN2 = 26, /**< First-order ambisonic channel number 2. */
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ambisonicACN3 = 27, /**< First-order ambisonic channel number 3. */
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// second-order ambisonic
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ambisonicACN4 = 30, /**< Second-order ambisonic channel number 4. */
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ambisonicACN5 = 31, /**< Second-order ambisonic channel number 5. */
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ambisonicACN6 = 32, /**< Second-order ambisonic channel number 6. */
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ambisonicACN7 = 33, /**< Second-order ambisonic channel number 7. */
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ambisonicACN8 = 34, /**< Second-order ambisonic channel number 8. */
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// third-order ambisonic
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ambisonicACN9 = 35, /**< Third-order ambisonic channel number 9. */
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ambisonicACN10 = 36, /**< Third-order ambisonic channel number 10. */
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ambisonicACN11 = 37, /**< Third-order ambisonic channel number 11. */
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ambisonicACN12 = 38, /**< Third-order ambisonic channel number 12. */
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ambisonicACN13 = 39, /**< Third-order ambisonic channel number 13. */
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ambisonicACN14 = 40, /**< Third-order ambisonic channel number 14. */
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ambisonicACN15 = 41, /**< Third-order ambisonic channel number 15. */
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// fourth-order ambisonic
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ambisonicACN16 = 42, /**< Fourth-order ambisonic channel number 16. */
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ambisonicACN17 = 43, /**< Fourth-order ambisonic channel number 17. */
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ambisonicACN18 = 44, /**< Fourth-order ambisonic channel number 18. */
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ambisonicACN19 = 45, /**< Fourth-order ambisonic channel number 19. */
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ambisonicACN20 = 46, /**< Fourth-order ambisonic channel number 20. */
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ambisonicACN21 = 47, /**< Fourth-order ambisonic channel number 21. */
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ambisonicACN22 = 48, /**< Fourth-order ambisonic channel number 22. */
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ambisonicACN23 = 49, /**< Fourth-order ambisonic channel number 23. */
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ambisonicACN24 = 50, /**< Fourth-order ambisonic channel number 24. */
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// fifth-order ambisonic
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ambisonicACN25 = 51, /**< Fifth-order ambisonic channel number 25. */
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ambisonicACN26 = 52, /**< Fifth-order ambisonic channel number 26. */
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ambisonicACN27 = 53, /**< Fifth-order ambisonic channel number 27. */
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ambisonicACN28 = 54, /**< Fifth-order ambisonic channel number 28. */
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ambisonicACN29 = 55, /**< Fifth-order ambisonic channel number 29. */
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ambisonicACN30 = 56, /**< Fifth-order ambisonic channel number 30. */
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ambisonicACN31 = 57, /**< Fifth-order ambisonic channel number 31. */
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ambisonicACN32 = 58, /**< Fifth-order ambisonic channel number 32. */
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ambisonicACN33 = 59, /**< Fifth-order ambisonic channel number 33. */
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ambisonicACN34 = 60, /**< Fifth-order ambisonic channel number 34. */
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ambisonicACN35 = 61, /**< Fifth-order ambisonic channel number 35. */
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//==============================================================================
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ambisonicW = ambisonicACN0, /**< Same as zero-th ambisonic channel number 0. */
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ambisonicX = ambisonicACN3, /**< Same as first-order ambisonic channel number 3. */
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ambisonicY = ambisonicACN1, /**< Same as first-order ambisonic channel number 1. */
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ambisonicZ = ambisonicACN2, /**< Same as first-order ambisonic channel number 2. */
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//==============================================================================
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bottomFrontLeft = 62, /**< Bottom Front Left (Bfl) */
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bottomFrontCentre = 63, /**< Bottom Front Centre (Bfc) */
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bottomFrontRight = 64, /**< Bottom Front Right (Bfr) */
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proxymityLeft = 65, /**< Proximity Left (Pl) */
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proximityRight = 66, /**< Proximity Right (Pr) */
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bottomSideLeft = 67, /**< Bottom Side Left (Bsl) */
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bottomSideRight = 68, /**< Bottom Side Right (Bsr) */
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bottomRearLeft = 69, /**< Bottom Rear Left (Brl) */
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bottomRearCentre = 70, /**< Bottom Rear Center (Brc) */
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bottomRearRight = 71, /**< Bottom Rear Right (Brr) */
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//==============================================================================
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discreteChannel0 = 128 /**< Non-typed individual channels are indexed upwards from this value. */
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};
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/** Returns the name of a given channel type. For example, this method may return "Surround Left". */
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static String JUCE_CALLTYPE getChannelTypeName (ChannelType);
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/** Returns the abbreviated name of a channel type. For example, this method may return "Ls". */
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static String JUCE_CALLTYPE getAbbreviatedChannelTypeName (ChannelType);
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/** Returns the channel type from an abbreviated name. */
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static ChannelType JUCE_CALLTYPE getChannelTypeFromAbbreviation (const String& abbreviation);
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//==============================================================================
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enum
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{
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maxChannelsOfNamedLayout = 36
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};
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/** Adds a channel to the set. */
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void addChannel (ChannelType newChannelType);
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/** Removes a channel from the set. */
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void removeChannel (ChannelType newChannelType);
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/** Returns the number of channels in the set. */
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int size() const noexcept;
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/** Returns true if there are no channels in the set. */
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bool isDisabled() const noexcept { return size() == 0; }
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/** Returns an array of all the types in this channel set. */
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Array<ChannelType> getChannelTypes() const;
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/** Returns the type of one of the channels in the set, by index. */
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ChannelType getTypeOfChannel (int channelIndex) const noexcept;
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/** Returns the index for a particular channel-type.
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Will return -1 if the this set does not contain a channel of this type. */
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int getChannelIndexForType (ChannelType type) const noexcept;
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/** Returns a string containing a whitespace-separated list of speaker types
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corresponding to each channel. For example in a 5.1 arrangement,
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the string may be "L R C Lfe Ls Rs". If the speaker arrangement is unknown,
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|
the returned string will be empty.*/
|
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String getSpeakerArrangementAsString() const;
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|
|
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/** Returns an AudioChannelSet from a string returned by getSpeakerArrangementAsString
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|
|
|
@see getSpeakerArrangementAsString */
|
|
static AudioChannelSet fromAbbreviatedString (const String& set);
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|
|
|
/** Returns the description of the current layout. For example, this method may return
|
|
"Quadraphonic". Note that the returned string may not be unique. */
|
|
String getDescription() const;
|
|
|
|
/** Returns if this is a channel layout made-up of discrete channels. */
|
|
bool isDiscreteLayout() const noexcept;
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|
|
|
/** Intersect two channel layouts. */
|
|
void intersect (const AudioChannelSet& other) { channels &= other.channels; }
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|
|
|
/** Creates a channel set for a list of channel types. This function will assert
|
|
if you supply a duplicate channel.
|
|
|
|
Note that this method ignores the order in which the channels are given, i.e.
|
|
two arrays with the same elements but in a different order will still result
|
|
in the same channel set.
|
|
*/
|
|
static AudioChannelSet JUCE_CALLTYPE channelSetWithChannels (const Array<ChannelType>&);
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|
|
|
//==============================================================================
|
|
// Conversion between wave and juce channel layout identifiers
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|
|
|
/** Create an AudioChannelSet from a WAVEFORMATEXTENSIBLE channelMask (typically used
|
|
in .wav files). */
|
|
static AudioChannelSet JUCE_CALLTYPE fromWaveChannelMask (int32 dwChannelMask);
|
|
|
|
/** Returns a WAVEFORMATEXTENSIBLE channelMask representation (typically used in .wav
|
|
files) of the receiver.
|
|
|
|
Returns -1 if the receiver cannot be represented in a WAVEFORMATEXTENSIBLE channelMask
|
|
representation.
|
|
*/
|
|
int32 getWaveChannelMask() const noexcept;
|
|
|
|
//==============================================================================
|
|
bool operator== (const AudioChannelSet&) const noexcept;
|
|
bool operator!= (const AudioChannelSet&) const noexcept;
|
|
bool operator< (const AudioChannelSet&) const noexcept;
|
|
|
|
private:
|
|
//==============================================================================
|
|
BigInteger channels;
|
|
|
|
//==============================================================================
|
|
explicit AudioChannelSet (uint32);
|
|
explicit AudioChannelSet (const Array<ChannelType>&);
|
|
|
|
//==============================================================================
|
|
static int JUCE_CALLTYPE getAmbisonicOrderForNumChannels (int);
|
|
};
|
|
|
|
} // namespace juce
|