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#ifndef AUDIO_DEFS_H |
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#define AUDIO_DEFS_H |
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#include "macos_util.h" |
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// Error codes |
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enum { |
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badComponentSelector = (int32)0x80008002, |
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}; |
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// Sound information selectors |
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enum { |
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siNumberChannels = 'chan', // current number of channels |
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siChannelAvailable = 'chav', // number of channels available |
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siSampleRate = 'srat', // current sample rate |
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siSampleRateAvailable = 'srav', // sample rates available |
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siSampleSize = 'ssiz', // current sample size |
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siSampleSizeAvailable = 'ssav', // sample sizes available |
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siHardwareMute = 'hmut', // mute state of all hardware |
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siHardwareVolume = 'hvol', // volume level of all hardware |
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siHardwareVolumeSteps = 'hstp', // number of volume steps for hardware |
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siHardwareBusy = 'hwbs', // sound hardware is in use |
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siHeadphoneMute = 'pmut', // mute state of headphone |
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siHeadphoneVolume = 'pvol', // volume level of headphone |
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siHeadphoneVolumeSteps = 'hdst', // number of volume steps for headphone |
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siSpeakerMute = 'smut', // mute state of all built-in speakers |
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siSpeakerVolume = 'svol' // volume level of built-in speaker |
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}; |
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const uint32 siNumberChannels = FOURCC('c','h','a','n'); // current number of channels |
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const uint32 siChannelAvailable = FOURCC('c','h','a','v'); // number of channels available |
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const uint32 siSampleRate = FOURCC('s','r','a','t'); // current sample rate |
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const uint32 siSampleRateAvailable = FOURCC('s','r','a','v'); // sample rates available |
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const uint32 siSampleSize = FOURCC('s','s','i','z'); // current sample size |
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const uint32 siSampleSizeAvailable = FOURCC('s','s','a','v'); // sample sizes available |
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const uint32 siHardwareMute = FOURCC('h','m','u','t'); // mute state of all hardware |
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const uint32 siHardwareVolume = FOURCC('h','v','o','l'); // volume level of all hardware |
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const uint32 siHardwareVolumeSteps = FOURCC('h','s','t','p'); // number of volume steps for hardware |
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const uint32 siHardwareBusy = FOURCC('h','w','b','s'); // sound hardware is in use |
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const uint32 siHeadphoneMute = FOURCC('p','m','u','t'); // mute state of headphone |
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const uint32 siHeadphoneVolume = FOURCC('p','v','o','l'); // volume level of headphone |
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const uint32 siHeadphoneVolumeSteps = FOURCC('h','d','s','t'); // number of volume steps for headphone |
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const uint32 siSpeakerMute = FOURCC('s','m','u','t'); // mute state of all built-in speakers |
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const uint32 siSpeakerVolume = FOURCC('s','v','o','l'); // volume level of built-in speaker |
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enum { // ComponentResource struct |
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componentType = 0, |
