mirror of https://github.com/mpv-player/mpv
124 lines
4.1 KiB
C
124 lines
4.1 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* Original author: Jonathan Yong <10walls@gmail.com>
|
|
*
|
|
* mpv is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* mpv is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef MP_AO_WASAPI_H_
|
|
#define MP_AO_WASAPI_H_
|
|
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <windows.h>
|
|
#include <mmdeviceapi.h>
|
|
#include <audioclient.h>
|
|
#include <audiopolicy.h>
|
|
#include <endpointvolume.h>
|
|
|
|
#include "common/msg.h"
|
|
#include "osdep/atomic.h"
|
|
#include "osdep/windows_utils.h"
|
|
#include "internal.h"
|
|
#include "ao.h"
|
|
|
|
typedef struct change_notify {
|
|
IMMNotificationClient client; // this must be first in the structure!
|
|
IMMDeviceEnumerator *pEnumerator; // object where client is registered
|
|
LPWSTR monitored; // Monitored device
|
|
bool is_hotplug;
|
|
struct ao *ao;
|
|
} change_notify;
|
|
|
|
HRESULT wasapi_change_init(struct ao* ao, bool is_hotplug);
|
|
void wasapi_change_uninit(struct ao* ao);
|
|
|
|
#define EXIT_ON_ERROR(hres) \
|
|
do { if (FAILED(hres)) { goto exit_label; } } while(0)
|
|
#define SAFE_DESTROY(unk, release) \
|
|
do { if ((unk) != NULL) { release; (unk) = NULL; } } while(0)
|
|
|
|
#define mp_format_res_str(hres) \
|
|
(SUCCEEDED(hres) ? "ok" : ((hres) == AUDCLNT_E_UNSUPPORTED_FORMAT) \
|
|
? "unsupported" : mp_HRESULT_to_str(hres))
|
|
|
|
enum wasapi_thread_state {
|
|
WASAPI_THREAD_FEED = 0,
|
|
WASAPI_THREAD_RESUME,
|
|
WASAPI_THREAD_RESET,
|
|
WASAPI_THREAD_SHUTDOWN
|
|
};
|
|
|
|
typedef struct wasapi_state {
|
|
struct mp_log *log;
|
|
|
|
// Thread handles
|
|
HRESULT init_ret; // status of init phase
|
|
HANDLE hInitDone; // set when init is complete in audio thread
|
|
HANDLE hAudioThread; // the audio thread itself
|
|
HANDLE hWake; // thread wakeup event
|
|
atomic_int thread_state; // enum wasapi_thread_state (what to do on wakeup)
|
|
struct mp_dispatch_queue *dispatch; // for volume/mute/session display
|
|
|
|
// for setting the audio thread priority
|
|
HANDLE hTask;
|
|
|
|
// ID of the device to use
|
|
LPWSTR deviceID;
|
|
// WASAPI object handles owned and used by audio thread
|
|
IMMDevice *pDevice;
|
|
IAudioClient *pAudioClient;
|
|
IAudioRenderClient *pRenderClient;
|
|
|
|
// WASAPI internal clock information, for estimating delay
|
|
IAudioClock *pAudioClock;
|
|
atomic_ullong sample_count; // samples per channel written by GetBuffer
|
|
UINT64 clock_frequency; // scale for position returned by GetPosition
|
|
LARGE_INTEGER qpc_frequency; // frequency of Windows' high resolution timer
|
|
|
|
// WASAPI control
|
|
IAudioSessionControl *pSessionControl; // setting the stream title
|
|
IAudioEndpointVolume *pEndpointVolume; // exclusive mode volume/mute
|
|
ISimpleAudioVolume *pAudioVolume; // shared mode volume/mute
|
|
DWORD vol_hw_support; // is hardware volume supported for exclusive-mode?
|
|
|
|
// ao options
|
|
int opt_exclusive;
|
|
|
|
// format info
|
|
WAVEFORMATEXTENSIBLE format;
|
|
AUDCLNT_SHAREMODE share_mode; // AUDCLNT_SHAREMODE_EXCLUSIVE / SHARED
|
|
UINT32 bufferFrameCount; // number of frames in buffer
|
|
struct ao_convert_fmt convert_format;
|
|
|
|
change_notify change;
|
|
} wasapi_state;
|
|
|
|
char *mp_PKEY_to_str_buf(char *buf, size_t buf_size, const PROPERTYKEY *pkey);
|
|
#define mp_PKEY_to_str(pkey) mp_PKEY_to_str_buf((char[42]){0}, 42, (pkey))
|
|
|
|
void wasapi_list_devs(struct ao *ao, struct ao_device_list *list);
|
|
bstr wasapi_get_specified_device_string(struct ao *ao);
|
|
LPWSTR wasapi_find_deviceID(struct ao *ao);
|
|
|
|
void wasapi_dispatch(struct ao *ao);
|
|
HRESULT wasapi_thread_init(struct ao *ao);
|
|
void wasapi_thread_uninit(struct ao *ao);
|
|
|
|
void wasapi_receive_proxies(wasapi_state *state);
|
|
void wasapi_release_proxies(wasapi_state *state);
|
|
|
|
#endif
|