86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
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/* SPDX-License-Identifier: MIT */
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/**
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@file ntv2audiodefines.h
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@brief Declares common audio macros and structs used in the SDK.
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@copyright (C) 2004-2021 AJA Video Systems, Inc. All rights reserved.
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**/
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#ifndef NTV2_AUDIODEFINES_H
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#define NTV2_AUDIODEFINES_H
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#define NTV2_NUMAUDIO_CHANNELS 6
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#define NTV2_AUDIOSAMPLESIZE (sizeof (ULWord))
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#define NTV2_AUDIO_WRAPADDRESS 0x000FF000
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#define NTV2_AUDIO_WRAPADDRESS_MEDIUM (0x000FF000 * 2)
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#define NTV2_AUDIO_WRAPADDRESS_BIG (0x000FF000 * 4)
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#define NTV2_AUDIO_WRAPADDRESS_BIGGER (0x000FF000 * 8) // used with KiPro Mini 99 video buffers
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#define NTV2_AUDIO_READBUFFEROFFSET 0x00100000
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#define NTV2_AUDIO_READBUFFEROFFSET_MEDIUM (0x00100000 * 2)
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#define NTV2_AUDIO_READBUFFEROFFSET_BIG (0x00100000 * 4)
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#define NTV2_AUDIO_READBUFFEROFFSET_BIGGER (0x00100000 * 8) // used with KiPro Mini 99 video buffers
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#define NTV2_AUDIO_BUFFEROFFSET_BIG (0x00100000 * 8)
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#define NTV2_NUMSAMPLES_PER_AUDIO_INTERRUPT 960
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#define NTV2_TOTALSAMPLES_IN_BUFFER(numChannels) (NTV2_AUDIO_WRAPADDRESS/((numChannels)*NTV2_AUDIOSAMPLESIZE))
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#define kSDIName "SDI"
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#define kAESName "AES/EBU"
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#define kADATName "ADAT - 8 channels"
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#define kAnalogName "Analog - 4 channels"
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#define kNoneName "IO - none"
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#define kAllName "8 channels"
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#define kAJADeviceManufacturer "AJA Video"
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typedef enum
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{
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kNumAudioChannels2 = 2,
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kNumAudioChannels4 = 4,
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kNumAudioChannels6 = 6,
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kNumAudioChannels8 = 8,
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kNumAudioChannels16 = 16,
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kNumAudioChannelsMax = kNumAudioChannels16 // Used in Linux and Windows too
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} AudioChannelsPerFrameEnum;
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typedef enum
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{
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k16bitsPerSample = 16,
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k24bitsPerSample = 24,
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k32bitsPerSample = 32
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} AudioBitsPerSampleEnum;
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typedef enum
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{
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k44p1KHzSampleRate = 44100,
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k48KHzSampleRate = 48000,
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k96KHzSampleRate = 96000
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} AudioSampleRateEnum;
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typedef enum
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{
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kSourceSDI = 0x69736469,
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kSourceAES = 0x69616573,
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kSourceADAT = 0x69616474,
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kSourceAnalog = 0x69616C67,
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kSourceNone = 0x6E6F696E,
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kSourceAll = 0x6F757420
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} AudioSourceEnum;
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typedef enum {
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kNormal = 0,
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kMuted = 1
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} AudioMuteEnum;
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// These are ProIO specific audio settings. The ENUMs represent actual register
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// values. This is probably not a great idea but for now we will leave it like this
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// since it only pertains to a ProIO build. Ideally these should just enumerations
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// and the settings layer in the muxer should translate these to what the hardware
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// wants.
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#endif // NTV2_AUDIODEFINES_H
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