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118 lines
3.1 KiB
C
118 lines
3.1 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_WASAPI_H
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#define SOUNDIO_WASAPI_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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#define CINTERFACE
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#define COBJMACROS
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <mmdeviceapi.h>
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#include <audioclient.h>
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#include <audiosessiontypes.h>
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#include <audiopolicy.h>
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#ifndef AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM
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#define AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM 0x80000000
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#endif
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#ifndef AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY
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#define AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY 0x08000000
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#endif
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struct SoundIoPrivate;
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int soundio_wasapi_init(struct SoundIoPrivate *si);
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struct SoundIoDeviceWasapi {
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double period_duration;
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IMMDevice *mm_device;
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};
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struct SoundIoWasapi {
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struct SoundIoOsMutex *mutex;
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struct SoundIoOsCond *cond;
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struct SoundIoOsCond *scan_devices_cond;
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struct SoundIoOsMutex *scan_devices_mutex;
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struct SoundIoOsThread *thread;
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bool 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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bool have_devices_flag;
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bool device_scan_queued;
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int shutdown_err;
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bool emitted_shutdown_cb;
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IMMDeviceEnumerator* device_enumerator;
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IMMNotificationClient device_events;
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LONG device_events_refs;
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};
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struct SoundIoOutStreamWasapi {
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IAudioClient *audio_client;
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IAudioClockAdjustment *audio_clock_adjustment;
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IAudioRenderClient *audio_render_client;
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IAudioSessionControl *audio_session_control;
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ISimpleAudioVolume *audio_volume_control;
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LPWSTR stream_name;
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bool need_resample;
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struct SoundIoOsThread *thread;
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struct SoundIoOsMutex *mutex;
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struct SoundIoOsCond *cond;
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struct SoundIoOsCond *start_cond;
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struct SoundIoAtomicFlag thread_exit_flag;
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bool is_raw;
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int writable_frame_count;
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UINT32 buffer_frame_count;
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int write_frame_count;
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HANDLE h_event;
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struct SoundIoAtomicBool desired_pause_state;
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struct SoundIoAtomicFlag pause_resume_flag;
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struct SoundIoAtomicFlag clear_buffer_flag;
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bool is_paused;
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bool open_complete;
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int open_err;
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bool started;
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UINT32 min_padding_frames;
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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 SoundIoInStreamWasapi {
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IAudioClient *audio_client;
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IAudioCaptureClient *audio_capture_client;
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IAudioSessionControl *audio_session_control;
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LPWSTR stream_name;
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struct SoundIoOsThread *thread;
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struct SoundIoOsMutex *mutex;
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struct SoundIoOsCond *cond;
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struct SoundIoOsCond *start_cond;
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struct SoundIoAtomicFlag thread_exit_flag;
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bool is_raw;
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int readable_frame_count;
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UINT32 buffer_frame_count;
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int read_frame_count;
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HANDLE h_event;
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bool is_paused;
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bool open_complete;
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int open_err;
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bool started;
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char *read_buf;
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int read_buf_frames_left;
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int opened_buf_frames;
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struct SoundIoChannelArea areas[SOUNDIO_MAX_CHANNELS];
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};
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#endif
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