mirror of https://github.com/mpv-player/mpv
95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
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/*
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* This file is part of mpv.
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*
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* Original author: Jonathan Yong <10walls@gmail.com>
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*
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* mpv is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MP_AO_WASAPI_H_
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#define MP_AO_WASAPI_H_
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#define COBJMACROS 1
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#define _WIN32_WINNT 0x600
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#include <audioclient.h>
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#include <mmdeviceapi.h>
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#include <avrt.h>
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typedef struct wasapi_state {
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struct mp_log *log;
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HANDLE threadLoop;
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/* Init phase */
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int init_ret;
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HANDLE init_done;
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HANDLE fatal_error; /* signal to indicate unrecoverable error */
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int share_mode;
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/* Events */
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HANDLE hPause;
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/* Play */
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HANDLE hPlay;
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int is_playing;
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/* Reset */
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HANDLE hReset;
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/* uninit */
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HANDLE hUninit;
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LONG immed;
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/* volume control */
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HANDLE hGetvol, hSetvol, hDoneVol;
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DWORD vol_hw_support, status;
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float audio_volume;
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/* Buffers */
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size_t buffer_block_size; /* Size of each block in bytes */
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REFERENCE_TIME
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minRequestedDuration; /* minimum wasapi buffer block size, in 100-nanosecond units */
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REFERENCE_TIME
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defaultRequestedDuration; /* default wasapi default block size, in 100-nanosecond units */
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UINT32 bufferFrameCount; /* wasapi buffer block size, number of frames, frame size at format.nBlockAlign */
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/* WASAPI handles, owned by other thread */
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IMMDevice *pDevice;
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IAudioClient *pAudioClient;
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IAudioRenderClient *pRenderClient;
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IAudioEndpointVolume *pEndpointVolume;
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HANDLE hFeed; /* wasapi event */
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HANDLE hTask; /* AV thread */
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DWORD taskIndex; /* AV task ID */
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WAVEFORMATEXTENSIBLE format;
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/* WASAPI internal clock information, for estimating delay */
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IAudioClock *pAudioClock;
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UINT64 clock_frequency; /* scale for the "samples" returned by the clock */
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UINT64 sample_count; /* the amount of samples per channel written to a GetBuffer buffer */
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LARGE_INTEGER qpc_frequency; /* frequency of windows' high resolution timer */
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int opt_exclusive;
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int opt_list;
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char *opt_device;
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/* We still need to support XP, don't use these functions directly, blob owned by main thread */
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struct {
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HMODULE hAvrt;
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HANDLE (WINAPI *pAvSetMmThreadCharacteristicsW)(LPCWSTR, LPDWORD);
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WINBOOL (WINAPI *pAvRevertMmThreadCharacteristics)(HANDLE);
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} VistaBlob;
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} wasapi_state;
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#endif
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