58 lines
2.9 KiB
C
58 lines
2.9 KiB
C
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/*
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* SPDX-License-Identifier: MIT
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* Copyright (C) 2004 - 2021 AJA Video Systems, Inc.
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*/
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//========================================================================
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//
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// ntv2audio.h
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//
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//==========================================================================
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#ifndef NTV2AUDIO_H
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#define NTV2AUDIO_H
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#include "ntv2system.h"
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#include "ntv2publicinterface.h"
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#define NTV2_AUDIOSAMPLESIZE (sizeof(uint32_t))
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#define NTV2_AUDIO_WRAPADDRESS 0xFF000
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#define NTV2_AUDIO_WRAPADDRESS_MEDIUM (0xFF000*2)
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#define NTV2_AUDIO_WRAPADDRESS_BIG (0xFF000*4)
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#define NTV2_AUDIO_WRAPADDRESS_BIGGER (0xFF000*8) // used with KiPro Mini 99 video buffers
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#define NTV2_AUDIO_READBUFFEROFFSET 0x100000
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#define NTV2_AUDIO_READBUFFEROFFSET_MEDIUM (0x100000*2)
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#define NTV2_AUDIO_READBUFFEROFFSET_BIG (0x100000*4)
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void StartAudioPlayback(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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void StopAudioPlayback(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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bool IsAudioPlaybackStopped(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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bool IsAudioPlaying(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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void PauseAudioPlayback(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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void UnPauseAudioPlayback(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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bool IsAudioPlaybackPaused(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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void StartAudioCapture(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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void StopAudioCapture(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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bool IsAudioCaptureStopped(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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uint32_t GetNumAudioChannels(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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uint32_t oemAudioSampleAlign(Ntv2SystemContext* context, NTV2AudioSystem audioSystem, uint32_t ulReadSample);
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uint32_t GetAudioLastOut(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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uint32_t GetAudioLastIn(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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uint32_t GetAudioSamplesPerFrame(Ntv2SystemContext* context,
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NTV2AudioSystem audioSystem,
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uint32_t cadenceFrame,
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bool fieldMode);
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NTV2AudioRate GetAudioRate(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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uint32_t GetAudioSamplesPerSecond(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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uint32_t GetAudioTransferInfo(Ntv2SystemContext* context,
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NTV2AudioSystem audioSystem,
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uint32_t currentOffset,
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uint32_t numBytesToTransfer,
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uint32_t* preWrapBytes,
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uint32_t* postWrapBytes);
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uint32_t GetAudioWrapAddress(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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bool GetAudioBufferSize(Ntv2SystemContext* context, NTV2AudioSystem audioSystem, NTV2AudioBufferSize *value);
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uint32_t GetAudioReadOffset(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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uint32_t GetAudioFrameBufferNumber(Ntv2SystemContext* context, NTV2AudioSystem audioSystem);
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#endif
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