47abf6ebf0
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@4081 a95241bf-73f2-0310-859d-f6bbb57e9c96
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#ifndef USB_AUDIO_H
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#define USB_AUDIO_H
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// (Partial) USB Class Definitions for Audio Devices, version 1.0
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// Reference: http://www.usb.org/developers/devclass_docs/audio10.pdf
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#define USB_AUDIO_DEVICE_CLASS 0x01
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#define USB_AUDIO_CLASS_VERSION 0x0100
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enum {
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USB_AUDIO_INTERFACE_AUDIO_CLASS = 0x01
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};
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enum { // Audio Interface Subclasses
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USB_AUDIO_INTERFACE_AUDIOCONTROL_SUBCLASS = 0x01, //
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USB_AUDIO_INTERFACE_AUDIOSTREAMING_SUBCLASS, //
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USB_AUDIO_INTERFACE_MIDISTREAMING_SUBCLASS //
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};
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enum { // Audio Class-Specific AudioControl Interface descriptor subtypes
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USB_AUDIO_AC_HEADER = 0x01,
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USB_AUDIO_AC_INPUT_TERMINAL,
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USB_AUDIO_AC_OUTPUT_TERMINAL,
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USB_AUDIO_AC_MIXER_UNIT,
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USB_AUDIO_AC_SELECTOR_UNIT,
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USB_AUDIO_AC_FEATURE_UNIT,
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USB_AUDIO_AC_PROCESSING_UNIT,
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USB_AUDIO_AC_EXTENSION_UNIT
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};
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enum { // Audio Class-Specific AudioStreaming Interface descriptor subtypes
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USB_AUDIO_AS_GENERAL = 0x01,
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USB_AUDIO_AS_FORMAT_GENERAL,
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USB_AUDIO_AS_FORMAT_SPECIFIC
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};
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enum { // Processing Unit Process Types (for USB_AUDIO_AC_PROCESSING_UNIT)
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USB_AUDIO_UP_DOWNMIX_PROCESS = 0x01,
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USB_AUDIO_DOLBY_PROLOGIC_PROCESS,
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USB_AUDIO_3D_STEREO_EXTENDER_PROCESS,
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USB_AUDIO_REVERBERATION_PROCESS,
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USB_AUDIO_CHORUS_PROCESS,
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USB_AUDIO_DYN_RANGE_COMP_PROCESS
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};
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#endif // USB_AUDIO_H
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