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68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
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* Copyright (c) 2015 Andrew Kelley
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*
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* This file is part of libsoundio, which is MIT licensed.
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* See http://opensource.org/licenses/MIT
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*/
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#ifndef SOUNDIO_COREAUDIO_H
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#define SOUNDIO_COREAUDIO_H
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#include "soundio_internal.h"
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#include "os.h"
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#include "list.h"
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#include "atomics.h"
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#include <CoreAudio/CoreAudio.h>
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#include <AudioUnit/AudioUnit.h>
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struct SoundIoPrivate;
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int soundio_coreaudio_init(struct SoundIoPrivate *si);
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struct SoundIoDeviceCoreAudio {
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AudioDeviceID device_id;
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UInt32 latency_frames;
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};
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SOUNDIO_MAKE_LIST_STRUCT(AudioDeviceID, SoundIoListAudioDeviceID, SOUNDIO_LIST_STATIC)
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struct SoundIoCoreAudio {
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struct SoundIoOsMutex *mutex;
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struct SoundIoOsCond *cond;
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struct SoundIoOsThread *thread;
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struct SoundIoAtomicFlag abort_flag;
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// this one is ready to be read with flush_events. protected by mutex
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struct SoundIoDevicesInfo *ready_devices_info;
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struct SoundIoAtomicBool have_devices_flag;
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struct SoundIoOsCond *have_devices_cond;
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struct SoundIoOsCond *scan_devices_cond;
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struct SoundIoListAudioDeviceID registered_listeners;
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struct SoundIoAtomicBool device_scan_queued;
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struct SoundIoAtomicBool service_restarted;
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int shutdown_err;
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bool emitted_shutdown_cb;
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};
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struct SoundIoOutStreamCoreAudio {
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AudioComponentInstance instance;
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AudioBufferList *io_data;
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int buffer_index;
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int frames_left;
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int write_frame_count;
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double hardware_latency;
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float volume;
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struct SoundIoChannelArea areas[SOUNDIO_MAX_CHANNELS];
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};
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struct SoundIoInStreamCoreAudio {
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AudioComponentInstance instance;
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AudioBufferList *buffer_list;
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int frames_left;
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double hardware_latency;
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struct SoundIoChannelArea areas[SOUNDIO_MAX_CHANNELS];
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};
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#endif
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