mirror of https://github.com/mpv-player/mpv
1433 lines
46 KiB
C
1433 lines
46 KiB
C
/*
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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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#define COBJMACROS 1
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#define _WIN32_WINNT 0x600
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#include <stdlib.h>
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#include <inttypes.h>
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#include <process.h>
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#include <initguid.h>
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#include <audioclient.h>
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#include <endpointvolume.h>
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#include <mmdeviceapi.h>
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#include <avrt.h>
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#include "options/m_option.h"
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#include "options/m_config.h"
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#include "audio/format.h"
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#include "common/msg.h"
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#include "misc/ring.h"
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#include "ao.h"
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#include "internal.h"
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#include "compat/atomics.h"
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#ifndef PKEY_Device_FriendlyName
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DEFINE_PROPERTYKEY(PKEY_Device_FriendlyName,
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0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20,
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0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 14);
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DEFINE_PROPERTYKEY(PKEY_Device_DeviceDesc,
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0xa45c254e, 0xdf1c, 0x4efd, 0x80, 0x20,
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0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, 2);
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#endif
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#define RING_BUFFER_COUNT 8
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/* 20 millisecond buffer? */
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#define BUFFER_TIME 20000000.0
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#define EXIT_ON_ERROR(hres) \
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do { if (FAILED(hres)) { goto exit_label; } } while(0)
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#define SAFE_RELEASE(unk, release) \
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do { if ((unk) != NULL) { release; (unk) = NULL; } } while(0)
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/* Supposed to use __uuidof, but it is C++ only, declare our own */
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static const GUID local_KSDATAFORMAT_SUBTYPE_PCM = {
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0x1, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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};
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static const GUID local_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = {
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0x3, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
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};
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union WAVEFMT {
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WAVEFORMATEX *ex;
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WAVEFORMATEXTENSIBLE *extensible;
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};
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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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int final_chunk;
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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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struct mp_ring *ringbuff;
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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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static int fill_VistaBlob(wasapi_state *state)
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{
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if (!state)
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return 1;
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state->VistaBlob.hAvrt = LoadLibraryW(L"avrt.dll");
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if (!state->VistaBlob.hAvrt)
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goto exit_label;
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state->VistaBlob.pAvSetMmThreadCharacteristicsW =
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(HANDLE (WINAPI *)(LPCWSTR, LPDWORD))
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GetProcAddress(state->VistaBlob.hAvrt, "AvSetMmThreadCharacteristicsW");
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state->VistaBlob.pAvRevertMmThreadCharacteristics =
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(WINBOOL (WINAPI *)(HANDLE))
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GetProcAddress(state->VistaBlob.hAvrt, "AvRevertMmThreadCharacteristics");
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return 0;
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exit_label:
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if (state->VistaBlob.hAvrt)
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FreeLibrary(state->VistaBlob.hAvrt);
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return 1;
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}
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static const char *explain_err(const HRESULT hr)
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{
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switch (hr) {
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case S_OK:
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return "S_OK";
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case AUDCLNT_E_NOT_INITIALIZED:
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return "AUDCLNT_E_NOT_INITIALIZED";
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case AUDCLNT_E_ALREADY_INITIALIZED:
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return "AUDCLNT_E_ALREADY_INITIALIZED";
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case AUDCLNT_E_WRONG_ENDPOINT_TYPE:
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return "AUDCLNT_E_WRONG_ENDPOINT_TYPE";
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case AUDCLNT_E_DEVICE_INVALIDATED:
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return "AUDCLNT_E_DEVICE_INVALIDATED";
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case AUDCLNT_E_NOT_STOPPED:
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return "AUDCLNT_E_NOT_STOPPED";
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case AUDCLNT_E_BUFFER_TOO_LARGE:
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return "AUDCLNT_E_BUFFER_TOO_LARGE";
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case AUDCLNT_E_OUT_OF_ORDER:
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return "AUDCLNT_E_OUT_OF_ORDER";
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case AUDCLNT_E_UNSUPPORTED_FORMAT:
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return "AUDCLNT_E_UNSUPPORTED_FORMAT";
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case AUDCLNT_E_INVALID_SIZE:
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return "AUDCLNT_E_INVALID_SIZE";
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case AUDCLNT_E_DEVICE_IN_USE:
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return "AUDCLNT_E_DEVICE_IN_USE";
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case AUDCLNT_E_BUFFER_OPERATION_PENDING:
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return "AUDCLNT_E_BUFFER_OPERATION_PENDING";
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case AUDCLNT_E_THREAD_NOT_REGISTERED:
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return "AUDCLNT_E_THREAD_NOT_REGISTERED";
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case AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED:
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return "AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED";
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case AUDCLNT_E_ENDPOINT_CREATE_FAILED:
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return "AUDCLNT_E_ENDPOINT_CREATE_FAILED";
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case AUDCLNT_E_SERVICE_NOT_RUNNING:
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return "AUDCLNT_E_SERVICE_NOT_RUNNING";
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case AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED:
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return "AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED";
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case AUDCLNT_E_EXCLUSIVE_MODE_ONLY:
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return "AUDCLNT_E_EXCLUSIVE_MODE_ONLY";
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case AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL:
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return "AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL";
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case AUDCLNT_E_EVENTHANDLE_NOT_SET:
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return "AUDCLNT_E_EVENTHANDLE_NOT_SET";
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case AUDCLNT_E_INCORRECT_BUFFER_SIZE:
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return "AUDCLNT_E_INCORRECT_BUFFER_SIZE";
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case AUDCLNT_E_BUFFER_SIZE_ERROR:
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return "AUDCLNT_E_BUFFER_SIZE_ERROR";
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case AUDCLNT_E_CPUUSAGE_EXCEEDED:
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return "AUDCLNT_E_CPUUSAGE_EXCEEDED";
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case AUDCLNT_E_BUFFER_ERROR:
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return "AUDCLNT_E_BUFFER_ERROR";
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case AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED:
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return "AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED";
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case AUDCLNT_E_INVALID_DEVICE_PERIOD:
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return "AUDCLNT_E_INVALID_DEVICE_PERIOD";
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case AUDCLNT_E_INVALID_STREAM_FLAG:
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return "AUDCLNT_E_INVALID_STREAM_FLAG";
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case AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE:
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return "AUDCLNT_E_ENDPOINT_OFFLOAD_NOT_CAPABLE";
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case AUDCLNT_E_RESOURCES_INVALIDATED:
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return "AUDCLNT_E_RESOURCES_INVALIDATED";
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case AUDCLNT_S_BUFFER_EMPTY:
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return "AUDCLNT_S_BUFFER_EMPTY";
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case AUDCLNT_S_THREAD_ALREADY_REGISTERED:
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return "AUDCLNT_S_THREAD_ALREADY_REGISTERED";
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case AUDCLNT_S_POSITION_STALLED:
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return "AUDCLNT_S_POSITION_STALLED";
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default:
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return "<Unknown>";
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}
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}
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static void set_format(WAVEFORMATEXTENSIBLE *wformat, WORD bytepersample,
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DWORD samplerate, WORD channels, DWORD chanmask)
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{
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wformat->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; /* Only PCM is supported */
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wformat->Format.nChannels = channels;
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wformat->Format.nSamplesPerSec = samplerate;
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wformat->Format.nAvgBytesPerSec = wformat->Format.nChannels *
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bytepersample *
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wformat->Format.nSamplesPerSec;
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wformat->Format.nBlockAlign = wformat->Format.nChannels * bytepersample;
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wformat->Format.wBitsPerSample = bytepersample * 8;
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wformat->Format.cbSize =
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22; /* must be at least 22 for WAVE_FORMAT_EXTENSIBLE */
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if (bytepersample == 4)
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wformat->SubFormat = local_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
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else
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wformat->SubFormat = local_KSDATAFORMAT_SUBTYPE_PCM;
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wformat->Samples.wValidBitsPerSample = wformat->Format.wBitsPerSample;
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wformat->dwChannelMask = chanmask;
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}
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static int format_set_bits(int old_format, int bits, int fp) {
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int format = old_format;
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format &= (~AF_FORMAT_BITS_MASK) & (~AF_FORMAT_POINT_MASK) & (~AF_FORMAT_SIGN_MASK);
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format |= AF_FORMAT_SI;
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switch (bits) {
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case 32:
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format |= AF_FORMAT_32BIT;
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break;
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case 24:
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format |= AF_FORMAT_24BIT;
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break;
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case 16:
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format |= AF_FORMAT_16BIT;
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break;
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default:
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abort(); // (should be) unreachable
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}
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if (fp) {
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format |= AF_FORMAT_F;
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} else {
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format |= AF_FORMAT_I;
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}
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return format;
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}
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static int set_ao_format(struct wasapi_state *state,
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struct ao *const ao,
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WAVEFORMATEXTENSIBLE wformat) {
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// .Data1 == 1 is PCM, .Data1 == 3 is IEEE_FLOAT
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int format = format_set_bits(ao->format,
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wformat.Format.wBitsPerSample, wformat.SubFormat.Data1 == 3);
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if (wformat.SubFormat.Data1 != 1 && wformat.SubFormat.Data1 != 3) {
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MP_ERR(ao, "unknown SubFormat %"PRIu32"\n",
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(uint32_t)wformat.SubFormat.Data1);
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return 0;
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}
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ao->samplerate = wformat.Format.nSamplesPerSec;
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ao->bps = wformat.Format.nAvgBytesPerSec;
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ao->format = format;
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if (ao->channels.num != wformat.Format.nChannels) {
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mp_chmap_from_channels(&ao->channels, wformat.Format.nChannels);
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}
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state->format = wformat;
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return 1;
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}
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static int try_format(struct wasapi_state *state,
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struct ao *const ao,
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int bits, int samplerate,
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const struct mp_chmap channels)
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{
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WAVEFORMATEXTENSIBLE wformat;
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set_format(&wformat, bits / 8, samplerate, channels.num, mp_chmap_to_waveext(&channels));
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int af_format = format_set_bits(ao->format, bits, bits == 32);
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MP_VERBOSE(ao, "trying %dch %s @ %dhz\n",
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channels.num, af_fmt_to_str(af_format), samplerate);
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union WAVEFMT u;
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u.extensible = &wformat;
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WAVEFORMATEX *closestMatch;
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HRESULT hr = IAudioClient_IsFormatSupported(state->pAudioClient,
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state->share_mode,
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u.ex, &closestMatch);
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if (closestMatch) {
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if (closestMatch->wFormatTag == WAVE_FORMAT_EXTENSIBLE) {
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u.ex = closestMatch;
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wformat = *u.extensible;
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} else {
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wformat.Format = *closestMatch;
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}
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CoTaskMemFree(closestMatch);
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}
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if (hr == S_FALSE) {
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if (set_ao_format(state, ao, wformat)) {
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MP_VERBOSE(ao, "accepted as %dch %s @ %dhz\n",
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ao->channels.num, af_fmt_to_str(ao->format), ao->samplerate);
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return 1;
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}
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} if (hr == S_OK || (!state->opt_exclusive && hr == AUDCLNT_E_UNSUPPORTED_FORMAT)) {
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// AUDCLNT_E_UNSUPPORTED_FORMAT here means "works in shared, doesn't in exclusive"
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if (set_ao_format(state, ao, wformat)) {
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MP_VERBOSE(ao, "%dch %s @ %dhz accepted\n",
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ao->channels.num, af_fmt_to_str(af_format), samplerate);
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return 1;
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}
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}
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return 0;
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}
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static int try_mix_format(struct wasapi_state *state,
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struct ao *const ao)
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{
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WAVEFORMATEX *deviceFormat = NULL;
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WAVEFORMATEX *closestMatch = NULL;
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int ret = 0;
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HRESULT hr = IAudioClient_GetMixFormat(state->pAudioClient, &deviceFormat);
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EXIT_ON_ERROR(hr);
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union WAVEFMT u;
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u.ex = deviceFormat;
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WAVEFORMATEXTENSIBLE wformat = *u.extensible;
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ret = try_format(state, ao, wformat.Format.wBitsPerSample,
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wformat.Format.nSamplesPerSec, ao->channels);
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if (ret)
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state->format = wformat;
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exit_label:
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SAFE_RELEASE(deviceFormat, CoTaskMemFree(deviceFormat));
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SAFE_RELEASE(closestMatch, CoTaskMemFree(closestMatch));
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return ret;
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}
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static int try_passthrough(struct wasapi_state *state,
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struct ao *const ao)
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{
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WAVEFORMATEXTENSIBLE wformat = {
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.Format = {
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.wFormatTag = WAVE_FORMAT_EXTENSIBLE,
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.nChannels = ao->channels.num,
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.nSamplesPerSec = ao->samplerate,
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.nAvgBytesPerSec = (ao->samplerate) * (ao->channels.num * 2),
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.nBlockAlign = ao->channels.num * 2,
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.wBitsPerSample = 16,
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.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX),
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},
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.Samples.wValidBitsPerSample = 16,
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.dwChannelMask = mp_chmap_to_waveext(&ao->channels),
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.SubFormat = local_KSDATAFORMAT_SUBTYPE_PCM,
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};
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wformat.SubFormat.Data1 = WAVE_FORMAT_DOLBY_AC3_SPDIF; // see INIT_WAVEFORMATEX_GUID macro
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union WAVEFMT u;
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u.extensible = &wformat;
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MP_VERBOSE(ao, "trying passthrough for %s...\n",
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af_fmt_to_str((ao->format&~AF_FORMAT_END_MASK) | AF_FORMAT_LE));
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HRESULT hr = IAudioClient_IsFormatSupported(state->pAudioClient,
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state->share_mode,
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u.ex, NULL);
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if (!FAILED(hr)) {
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ao->format = (ao->format&~AF_FORMAT_END_MASK) | AF_FORMAT_LE;
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state->format = wformat;
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return 1;
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}
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return 0;
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}
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|
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static int find_formats(struct ao *const ao)
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{
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struct wasapi_state *state = (struct wasapi_state *)ao->priv;
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if (AF_FORMAT_IS_IEC61937(ao->format) || ao->format == AF_FORMAT_MPEG2) {
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if (try_passthrough(state, ao))
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return 0;
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MP_ERR(ao, "couldn't use passthrough!");
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if (!state->opt_exclusive)
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MP_ERR(ao, " (try exclusive mode)");
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MP_ERR(ao, "\n");
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return -1;
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}
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/* See if the format works as-is */
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int bits = af_fmt2bits(ao->format);
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/* don't try 8bits -- there are various 8bit modes other than PCM (*-law et al);
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let's just stick to PCM or float here. */
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if (bits == 8) {
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bits = 16;
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} else if (try_format(state, ao, bits, ao->samplerate, ao->channels)) {
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return 0;
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}
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if (!state->opt_exclusive) {
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/* shared mode, we can use the system default mix format. */
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if (try_mix_format(state, ao)) {
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return 0;
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}
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MP_WARN(ao, "couldn't use default mix format!\n");
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}
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/* Exclusive mode, we have to guess. */
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/* as far as testing shows, only PCM 16/24LE (44100Hz - 192kHz) is supported
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* Tested on Realtek High Definition Audio, (Realtek Semiconductor Corp. 6.0.1.6312)
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* Drivers dated 2/18/2011
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*/
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|
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/* try float first for non-16bit audio */
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if (bits != 16) {
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bits = 32;
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}
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|
|
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int start_bits = bits;
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|
while (1) { // not infinite -- returns at bottom
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|
for (; bits > 8; bits -= 8) {
|
|
int samplerate = ao->samplerate;
|
|
if (try_format(state, ao, bits, samplerate, ao->channels)) {
|
|
return 0;
|
|
}
|
|
|
|
// make samplerate fit in [44100 192000]
|
|
// we check for samplerate > 96k so that we can upsample instead of downsampling later
|
|
if (samplerate < 44100 || samplerate > 96000) {
|
|
if (samplerate < 44100)
|
|
samplerate = 44100;
|
|
if (samplerate > 96000)
|
|
samplerate = 192000;
|
|
|
|
if (try_format(state, ao, bits, samplerate, ao->channels)) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
// try bounding to 96kHz
|
|
if (samplerate > 48000) {
|
|
samplerate = 96000;
|
|
if (try_format(state, ao, bits, samplerate, ao->channels)) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
// try bounding to 48kHz
|
|
if (samplerate > 44100) {
|
|
samplerate = 48000;
|
|
if (try_format(state, ao, bits, samplerate, ao->channels)) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/* How bad is this? try 44100hz, but only on 16bit */
|
|
if (bits == 16 && samplerate != 44100) {
|
|
samplerate = 44100;
|
|
|
|
if (try_format(state, ao, bits, samplerate, ao->channels)) {
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ao->channels.num > 6) {
|
|
/* Maybe this is 5.1 hardware with no support for more. */
|
|
bits = start_bits;
|
|
mp_chmap_from_channels(&ao->channels, 6);
|
|
} else if (ao->channels.num != 2) {
|
|
/* Poor quality hardware? Try stereo mode, go through the list again. */
|
|
bits = start_bits;
|
|
mp_chmap_from_channels(&ao->channels, 2);
|
|
} else {
|
|
MP_ERR(ao, "couldn't find acceptable audio format!\n");
|
|
return -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int init_clock(struct wasapi_state *state) {
|
|
HRESULT hr;
|
|
|
|
hr = IAudioClient_GetService(state->pAudioClient,
|
|
&IID_IAudioClock,
|
|
(void **)&state->pAudioClock);
|
|
EXIT_ON_ERROR(hr);
|
|
hr = IAudioClock_GetFrequency(state->pAudioClock, &state->clock_frequency);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
QueryPerformanceFrequency(&state->qpc_frequency);
|
|
|
|
state->sample_count = 0;
|
|
|
|
MP_VERBOSE(state, "IAudioClock::GetFrequency gave a frequency of %"PRIu64".\n", (uint64_t) state->clock_frequency);
|
|
|
|
return 0;
|
|
exit_label:
|
|
MP_ERR(state, "init_clock failed with %s, unable to obtain the audio device's timing!\n",
|
|
explain_err(hr));
|
|
SetEvent(state->fatal_error);
|
|
return 1;
|
|
}
|
|
|
|
static int fix_format(struct wasapi_state *state)
|
|
{
|
|
HRESULT hr;
|
|
double offset = 0.5;
|
|
|
|
/* cargo cult code to negotiate buffer block size, affected by hardware/drivers combinations,
|
|
gradually grow it to 10s, by 0.5s, consider failure if it still doesn't work
|
|
*/
|
|
hr = IAudioClient_GetDevicePeriod(state->pAudioClient,
|
|
&state->defaultRequestedDuration,
|
|
&state->minRequestedDuration);
|
|
reinit:
|
|
hr = IAudioClient_Initialize(state->pAudioClient,
|
|
state->share_mode,
|
|
AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
|
|
state->defaultRequestedDuration,
|
|
state->defaultRequestedDuration,
|
|
&(state->format.Format),
|
|
NULL);
|
|
/* something about buffer sizes on Win7, fixme might loop forever */
|
|
if (hr == AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED) {
|
|
MP_VERBOSE(state, "IAudioClient::Initialize negotiation failed with %s, used %lld * 100ns\n",
|
|
explain_err(hr), state->defaultRequestedDuration);
|
|
if (offset > 10.0)
|
|
goto exit_label; /* is 10 enough to break out of the loop?*/
|
|
IAudioClient_GetBufferSize(state->pAudioClient, &state->bufferFrameCount);
|
|
state->defaultRequestedDuration =
|
|
(REFERENCE_TIME)((BUFFER_TIME / state->format.Format.nSamplesPerSec *
|
|
state->bufferFrameCount) + offset);
|
|
offset += 0.5;
|
|
IAudioClient_Release(state->pAudioClient);
|
|
state->pAudioClient = NULL;
|
|
hr = IMMDeviceActivator_Activate(state->pDevice,
|
|
&IID_IAudioClient, CLSCTX_ALL,
|
|
NULL, (void **)&state->pAudioClient);
|
|
goto reinit;
|
|
}
|
|
EXIT_ON_ERROR(hr);
|
|
hr = IAudioClient_GetService(state->pAudioClient,
|
|
&IID_IAudioRenderClient,
|
|
(void **)&state->pRenderClient);
|
|
EXIT_ON_ERROR(hr);
|
|
if (!state->hFeed)
|
|
goto exit_label;
|
|
hr = IAudioClient_SetEventHandle(state->pAudioClient, state->hFeed);
|
|
EXIT_ON_ERROR(hr);
|
|
hr = IAudioClient_GetBufferSize(state->pAudioClient,
|
|
&state->bufferFrameCount);
|
|
EXIT_ON_ERROR(hr);
|
|
state->buffer_block_size = state->format.Format.nChannels *
|
|
state->format.Format.wBitsPerSample / 8 *
|
|
state->bufferFrameCount;
|
|
|
|
if (init_clock(state))
|
|
return 1;
|
|
|
|
state->hTask =
|
|
state->VistaBlob.pAvSetMmThreadCharacteristicsW(L"Pro Audio", &state->taskIndex);
|
|
MP_VERBOSE(state, "fix_format OK, using %lld byte buffer block size!\n",
|
|
(long long) state->buffer_block_size);
|
|
return 0;
|
|
exit_label:
|
|
MP_ERR(state, "fix_format fails with %s, failed to determine buffer block size!\n",
|
|
explain_err(hr));
|
|
SetEvent(state->fatal_error);
|
|
return 1;
|
|
}
|
|
|
|
static char* wstring_to_utf8(wchar_t *wstring) {
|
|
if (wstring) {
|
|
int len = WideCharToMultiByte(CP_UTF8, 0, wstring, -1, NULL, 0, NULL, NULL);
|
|
char *ret = malloc(len);
|
|
WideCharToMultiByte(CP_UTF8, 0, wstring, -1, ret, len, NULL, NULL);
|
|
return ret;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static char* get_device_id(IMMDevice *pDevice) {
|
|
if (!pDevice) {
|
|
return NULL;
|
|
}
|
|
|
|
LPWSTR devid = NULL;
|
|
char *idstr = NULL;
|
|
|
|
HRESULT hr = IMMDevice_GetId(pDevice, &devid);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
idstr = wstring_to_utf8(devid);
|
|
|
|
if (strstr(idstr, "{0.0.0.00000000}.")) {
|
|
char *stripped = strdup(idstr + strlen("{0.0.0.00000000}."));
|
|
free(idstr);
|
|
idstr = stripped;
|
|
}
|
|
|
|
exit_label:
|
|
SAFE_RELEASE(devid, CoTaskMemFree(devid));
|
|
return idstr;
|
|
}
|
|
|
|
static char* get_device_name(IMMDevice *pDevice) {
|
|
if (!pDevice) {
|
|
return NULL;
|
|
}
|
|
|
|
IPropertyStore *pProps = NULL;
|
|
char *namestr = NULL;
|
|
|
|
HRESULT hr = IMMDevice_OpenPropertyStore(pDevice, STGM_READ, &pProps);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
PROPVARIANT devname;
|
|
PropVariantInit(&devname);
|
|
|
|
hr = IPropertyStore_GetValue(pProps, &PKEY_Device_FriendlyName, &devname);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
namestr = wstring_to_utf8(devname.pwszVal);
|
|
|
|
exit_label:
|
|
PropVariantClear(&devname);
|
|
SAFE_RELEASE(pProps, IPropertyStore_Release(pProps));
|
|
return namestr;
|
|
}
|
|
|
|
static char* get_device_desc(IMMDevice *pDevice) {
|
|
if (!pDevice) {
|
|
return NULL;
|
|
}
|
|
|
|
IPropertyStore *pProps = NULL;
|
|
char *desc = NULL;
|
|
|
|
HRESULT hr = IMMDevice_OpenPropertyStore(pDevice, STGM_READ, &pProps);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
PROPVARIANT devdesc;
|
|
PropVariantInit(&devdesc);
|
|
|
|
hr = IPropertyStore_GetValue(pProps, &PKEY_Device_DeviceDesc, &devdesc);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
desc = wstring_to_utf8(devdesc.pwszVal);
|
|
|
|
exit_label:
|
|
PropVariantClear(&devdesc);
|
|
SAFE_RELEASE(pProps, IPropertyStore_Release(pProps));
|
|
return desc;
|
|
}
|
|
|
|
// frees *idstr
|
|
static int device_id_match(char *idstr, char *candidate) {
|
|
if (idstr == NULL || candidate == NULL)
|
|
return 0;
|
|
|
|
int found = 0;
|
|
#define FOUND(x) do { found = (x); goto end; } while(0)
|
|
if (strcmp(idstr, candidate) == 0)
|
|
FOUND(1);
|
|
if (strstr(idstr, "{0.0.0.00000000}.")) {
|
|
char *start = idstr + strlen("{0.0.0.00000000}.");
|
|
if (strcmp(start, candidate) == 0)
|
|
FOUND(1);
|
|
}
|
|
#undef FOUND
|
|
end:
|
|
free(idstr);
|
|
return found;
|
|
}
|
|
|
|
static HRESULT enumerate_with_state(struct mp_log *log, char *header,
|
|
int status, int with_id)
|
|
{
|
|
HRESULT hr;
|
|
IMMDeviceEnumerator *pEnumerator = NULL;
|
|
IMMDeviceCollection *pDevices = NULL;
|
|
IMMDevice *pDevice = NULL;
|
|
char *defid = NULL;
|
|
|
|
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
|
|
&IID_IMMDeviceEnumerator, (void **)&pEnumerator);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(pEnumerator,
|
|
eRender, eConsole,
|
|
&pDevice);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
defid = get_device_id(pDevice);
|
|
|
|
SAFE_RELEASE(pDevice, IMMDevice_Release(pDevice));
|
|
|
|
hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eRender,
|
|
status, &pDevices);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
int count;
|
|
IMMDeviceCollection_GetCount(pDevices, &count);
|
|
if (count > 0) {
|
|
mp_info(log, "%s\n", header);
|
|
}
|
|
|
|
for (int i = 0; i < count; i++) {
|
|
hr = IMMDeviceCollection_Item(pDevices, i, &pDevice);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
char *name = get_device_name(pDevice);
|
|
char *id = get_device_id(pDevice);
|
|
|
|
char *mark = "";
|
|
if (strcmp(id, defid) == 0)
|
|
mark = " (default)";
|
|
|
|
if (with_id) {
|
|
mp_info(log, "Device #%d: %s, ID: %s%s\n", i, name, id, mark);
|
|
} else {
|
|
mp_info(log, "%s, ID: %s%s\n", name, id, mark);
|
|
}
|
|
|
|
free(name);
|
|
free(id);
|
|
SAFE_RELEASE(pDevice, IMMDevice_Release(pDevice));
|
|
}
|
|
free(defid);
|
|
SAFE_RELEASE(pDevices, IMMDeviceCollection_Release(pDevices));
|
|
SAFE_RELEASE(pEnumerator, IMMDeviceEnumerator_Release(pEnumerator));
|
|
return hr;
|
|
|
|
exit_label:
|
|
free(defid);
|
|
SAFE_RELEASE(pDevice, IMMDevice_Release(pDevice));
|
|
SAFE_RELEASE(pDevices, IMMDeviceCollection_Release(pDevices));
|
|
SAFE_RELEASE(pEnumerator, IMMDeviceEnumerator_Release(pEnumerator));
|
|
return hr;
|
|
}
|
|
|
|
static int enumerate_devices(struct mp_log *log)
|
|
{
|
|
HRESULT hr;
|
|
CoInitialize(NULL);
|
|
|
|
hr = enumerate_with_state(log, "Active devices:", DEVICE_STATE_ACTIVE, 1);
|
|
EXIT_ON_ERROR(hr);
|
|
hr = enumerate_with_state(log, "Unplugged devices:", DEVICE_STATE_UNPLUGGED, 0);
|
|
EXIT_ON_ERROR(hr);
|
|
CoUninitialize();
|
|
return 0;
|
|
exit_label:
|
|
mp_err(log, "Error enumerating devices: HRESULT %08"PRIx32" \"%s\"\n",
|
|
(uint32_t)hr, explain_err(hr));
|
|
CoUninitialize();
|
|
return 1;
|
|
}
|
|
|
|
static HRESULT find_and_load_device(struct ao *ao, IMMDevice **ppDevice,
|
|
char *search)
|
|
{
|
|
HRESULT hr;
|
|
IMMDeviceEnumerator *pEnumerator = NULL;
|
|
IMMDeviceCollection *pDevices = NULL;
|
|
IMMDevice *pTempDevice = NULL;
|
|
LPWSTR deviceID = NULL;
|
|
|
|
char *end;
|
|
int devno = (int) strtol(search, &end, 10);
|
|
|
|
char *devid = NULL;
|
|
if (end == search || *end) {
|
|
devid = search;
|
|
}
|
|
|
|
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
|
|
&IID_IMMDeviceEnumerator, (void**)&pEnumerator);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
int search_err = 0;
|
|
|
|
if (devid == NULL) {
|
|
hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eRender,
|
|
DEVICE_STATE_ACTIVE, &pDevices);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
int count;
|
|
IMMDeviceCollection_GetCount(pDevices, &count);
|
|
|
|
if (devno >= count) {
|
|
MP_ERR(ao, "no device #%d!\n", devno);
|
|
} else {
|
|
MP_VERBOSE(ao, "finding device #%d\n", devno);
|
|
hr = IMMDeviceCollection_Item(pDevices, devno, &pTempDevice);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
hr = IMMDevice_GetId(pTempDevice, &deviceID);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
MP_VERBOSE(ao, "found device #%d\n", devno);
|
|
}
|
|
} else {
|
|
hr = IMMDeviceEnumerator_EnumAudioEndpoints(pEnumerator, eRender,
|
|
DEVICE_STATE_ACTIVE|DEVICE_STATE_UNPLUGGED,
|
|
&pDevices);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
int count;
|
|
IMMDeviceCollection_GetCount(pDevices, &count);
|
|
|
|
MP_VERBOSE(ao, "finding device %s\n", devid);
|
|
|
|
IMMDevice *prevDevice = NULL;
|
|
|
|
for (int i = 0; i < count; i++) {
|
|
hr = IMMDeviceCollection_Item(pDevices, i, &pTempDevice);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
if (device_id_match(get_device_id(pTempDevice), devid)) {
|
|
hr = IMMDevice_GetId(pTempDevice, &deviceID);
|
|
EXIT_ON_ERROR(hr);
|
|
break;
|
|
}
|
|
char *desc = get_device_desc(pTempDevice);
|
|
if (strstr(desc, devid)) {
|
|
if (deviceID) {
|
|
char *name;
|
|
if (!search_err) {
|
|
MP_ERR(ao, "multiple matching devices found!\n");
|
|
name = get_device_name(prevDevice);
|
|
MP_ERR(ao, "%s\n", name);
|
|
free(name);
|
|
search_err = 1;
|
|
}
|
|
name = get_device_name(pTempDevice);
|
|
MP_ERR(ao, "%s\n", name);
|
|
free(name);
|
|
}
|
|
hr = IMMDevice_GetId(pTempDevice, &deviceID);
|
|
prevDevice = pTempDevice;
|
|
}
|
|
free(desc);
|
|
|
|
SAFE_RELEASE(pTempDevice, IMMDevice_Release(pTempDevice));
|
|
}
|
|
|
|
if (deviceID == NULL) {
|
|
MP_ERR(ao, "could not find device %s!\n", devid);
|
|
}
|
|
}
|
|
|
|
SAFE_RELEASE(pTempDevice, IMMDevice_Release(pTempDevice));
|
|
SAFE_RELEASE(pDevices, IMMDeviceCollection_Release(pDevices));
|
|
|
|
if (deviceID == NULL || search_err) {
|
|
hr = E_NOTFOUND;
|
|
} else {
|
|
MP_VERBOSE(ao, "loading device %S\n", deviceID);
|
|
|
|
hr = IMMDeviceEnumerator_GetDevice(pEnumerator, deviceID, ppDevice);
|
|
|
|
if (FAILED(hr)) {
|
|
MP_ERR(ao, "could not load requested device!\n");
|
|
}
|
|
}
|
|
|
|
exit_label:
|
|
SAFE_RELEASE(pTempDevice, IMMDevice_Release(pTempDevice));
|
|
SAFE_RELEASE(pDevices, IMMDeviceCollection_Release(pDevices));
|
|
SAFE_RELEASE(pEnumerator, IMMDeviceEnumerator_Release(pEnumerator));
|
|
return hr;
|
|
}
|
|
|
|
static int validate_device(struct mp_log *log, const m_option_t *opt,
|
|
struct bstr name, struct bstr param)
|
|
{
|
|
if (bstr_equals0(param, "help")) {
|
|
enumerate_devices(log);
|
|
return M_OPT_EXIT;
|
|
}
|
|
|
|
mp_dbg(log, "validating device=%s\n", param.start);
|
|
|
|
char *end;
|
|
int devno = (int) strtol(param.start, &end, 10);
|
|
|
|
int ret = 1;
|
|
if ((end == (void*)param.start || *end) && devno < 0)
|
|
ret = M_OPT_OUT_OF_RANGE;
|
|
|
|
mp_dbg(log, "device=%s %svalid\n", param.start, ret == 1 ? "" : "not ");
|
|
return ret;
|
|
}
|
|
|
|
static int thread_init(struct ao *ao)
|
|
{
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
HRESULT hr;
|
|
CoInitialize(NULL);
|
|
|
|
if (!state->opt_device) {
|
|
IMMDeviceEnumerator *pEnumerator;
|
|
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL,
|
|
&IID_IMMDeviceEnumerator, (void**)&pEnumerator);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(pEnumerator,
|
|
eRender, eConsole,
|
|
&state->pDevice);
|
|
SAFE_RELEASE(pEnumerator, IMMDeviceEnumerator_Release(pEnumerator));
|
|
|
|
char *id = get_device_id(state->pDevice);
|
|
MP_VERBOSE(ao, "default device ID: %s\n", id);
|
|
free(id);
|
|
} else {
|
|
hr = find_and_load_device(ao, &state->pDevice, state->opt_device);
|
|
}
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
char *name = get_device_name(state->pDevice);
|
|
MP_VERBOSE(ao, "device loaded: %s\n", name);
|
|
free(name);
|
|
|
|
hr = IMMDeviceActivator_Activate(state->pDevice, &IID_IAudioClient,
|
|
CLSCTX_ALL, NULL, (void **)&state->pAudioClient);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
hr = IMMDeviceActivator_Activate(state->pDevice, &IID_IAudioEndpointVolume,
|
|
CLSCTX_ALL, NULL,
|
|
(void **)&state->pEndpointVolume);
|
|
EXIT_ON_ERROR(hr);
|
|
IAudioEndpointVolume_QueryHardwareSupport(state->pEndpointVolume,
|
|
&state->vol_hw_support);
|
|
|
|
state->init_ret = find_formats(ao); /* Probe support formats */
|
|
if (state->init_ret)
|
|
goto exit_label;
|
|
if (!fix_format(state)) { /* now that we're sure what format to use */
|
|
MP_VERBOSE(ao, "thread_init OK!\n");
|
|
SetEvent(state->init_done);
|
|
return state->init_ret;
|
|
}
|
|
exit_label:
|
|
state->init_ret = -1;
|
|
SetEvent(state->init_done);
|
|
return -1;
|
|
}
|
|
|
|
static void thread_pause(wasapi_state *state)
|
|
{
|
|
state->is_playing = 0;
|
|
IAudioClient_Stop(state->pAudioClient);
|
|
IAudioClient_Reset(state->pAudioClient);
|
|
state->sample_count = 0;
|
|
mp_memory_barrier();
|
|
}
|
|
|
|
/* force_feed - feed in even if available data is smaller than required buffer, to clear the buffer */
|
|
static void thread_feed(wasapi_state *state,int force_feed)
|
|
{
|
|
BYTE *pData;
|
|
int buffer_size;
|
|
HRESULT hr;
|
|
|
|
UINT32 frame_count = state->bufferFrameCount;
|
|
UINT32 client_buffer = state->buffer_block_size;
|
|
|
|
if (state->share_mode == AUDCLNT_SHAREMODE_SHARED) {
|
|
UINT32 padding = 0;
|
|
hr = IAudioClient_GetCurrentPadding(state->pAudioClient, &padding);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
frame_count -= padding;
|
|
client_buffer = state->format.Format.nBlockAlign * frame_count;
|
|
}
|
|
|
|
hr = IAudioRenderClient_GetBuffer(state->pRenderClient,
|
|
frame_count, &pData);
|
|
EXIT_ON_ERROR(hr);
|
|
buffer_size = mp_ring_buffered(state->ringbuff);
|
|
if(buffer_size > client_buffer) { /* OK to copy! */
|
|
mp_ring_read(state->ringbuff, (unsigned char *)pData,
|
|
client_buffer);
|
|
} else if(force_feed) {
|
|
/* should be smaller than buffer block size by now */
|
|
memset(pData,0,client_buffer);
|
|
mp_ring_read(state->ringbuff, (unsigned char *)pData, client_buffer);
|
|
state->final_chunk = 0;
|
|
} else {
|
|
/* buffer underrun?! abort */
|
|
hr = IAudioRenderClient_ReleaseBuffer(state->pRenderClient,
|
|
frame_count,
|
|
AUDCLNT_BUFFERFLAGS_SILENT);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
mp_atomic_add_and_fetch(&state->sample_count, frame_count);
|
|
mp_memory_barrier();
|
|
|
|
return;
|
|
}
|
|
hr = IAudioRenderClient_ReleaseBuffer(state->pRenderClient,
|
|
frame_count, 0);
|
|
EXIT_ON_ERROR(hr);
|
|
|
|
mp_atomic_add_and_fetch(&state->sample_count, frame_count);
|
|
mp_memory_barrier();
|
|
|
|
return;
|
|
exit_label:
|
|
MP_ERR(state, "thread_feed fails with %"PRIx32"!\n", (uint32_t)hr);
|
|
return;
|
|
}
|
|
|
|
static void thread_play(wasapi_state *state)
|
|
{
|
|
thread_feed(state, state->final_chunk);
|
|
state->is_playing = 1;
|
|
IAudioClient_Start(state->pAudioClient);
|
|
return;
|
|
}
|
|
|
|
static void thread_reset(wasapi_state *state)
|
|
{
|
|
int playing = state->is_playing;
|
|
thread_pause(state);
|
|
|
|
if (playing) {
|
|
thread_play(state);
|
|
}
|
|
}
|
|
|
|
static void thread_getVol(wasapi_state *state)
|
|
{
|
|
IAudioEndpointVolume_GetMasterVolumeLevelScalar(state->pEndpointVolume,
|
|
&state->audio_volume);
|
|
SetEvent(state->hDoneVol);
|
|
}
|
|
|
|
static void thread_setVol(wasapi_state *state)
|
|
{
|
|
IAudioEndpointVolume_SetMasterVolumeLevelScalar(state->pEndpointVolume,
|
|
state->audio_volume, NULL);
|
|
SetEvent(state->hDoneVol);
|
|
}
|
|
|
|
static void thread_uninit(wasapi_state *state)
|
|
{
|
|
if (!state->immed) {
|
|
/* feed until empty */
|
|
while (1) {
|
|
if (WaitForSingleObject(state->hFeed,2000) == WAIT_OBJECT_0 &&
|
|
mp_ring_buffered(state->ringbuff))
|
|
{
|
|
thread_feed(state, 1);
|
|
} else
|
|
break;
|
|
}
|
|
}
|
|
if (state->pAudioClient)
|
|
IAudioClient_Stop(state->pAudioClient);
|
|
if (state->pRenderClient)
|
|
IAudioRenderClient_Release(state->pRenderClient);
|
|
if (state->pAudioClock)
|
|
IAudioClock_Release(state->pAudioClock);
|
|
if (state->pAudioClient)
|
|
IAudioClient_Release(state->pAudioClient);
|
|
if (state->pDevice)
|
|
IMMDevice_Release(state->pDevice);
|
|
if (state->hTask)
|
|
state->VistaBlob.pAvRevertMmThreadCharacteristics(state->hTask);
|
|
CoUninitialize();
|
|
ExitThread(0);
|
|
}
|
|
|
|
static DWORD __stdcall ThreadLoop(void *lpParameter)
|
|
{
|
|
struct ao *ao = lpParameter;
|
|
int feedwatch = 0;
|
|
if (!ao || !ao->priv)
|
|
return -1;
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
if (thread_init(ao))
|
|
goto exit_label;
|
|
|
|
DWORD waitstatus = WAIT_FAILED;
|
|
HANDLE playcontrol[] =
|
|
{state->hUninit, state->hPause, state->hReset, state->hGetvol,
|
|
state->hSetvol, state->hPlay, state->hFeed, NULL};
|
|
MP_VERBOSE(ao, "Entering dispatch loop!\n");
|
|
while (1) { /* watch events, poll at least every 2 seconds */
|
|
waitstatus = WaitForMultipleObjects(7, playcontrol, FALSE, 2000);
|
|
switch (waitstatus) {
|
|
case WAIT_OBJECT_0: /*shutdown*/
|
|
feedwatch = 0;
|
|
thread_uninit(state);
|
|
goto exit_label;
|
|
case (WAIT_OBJECT_0 + 1): /* pause */
|
|
feedwatch = 0;
|
|
thread_pause(state);
|
|
break;
|
|
case (WAIT_OBJECT_0 + 2): /* reset */
|
|
feedwatch = 0;
|
|
thread_reset(state);
|
|
break;
|
|
case (WAIT_OBJECT_0 + 3): /* getVolume */
|
|
thread_getVol(state);
|
|
break;
|
|
case (WAIT_OBJECT_0 + 4): /* setVolume */
|
|
thread_setVol(state);
|
|
break;
|
|
case (WAIT_OBJECT_0 + 5): /* play */
|
|
feedwatch = 0;
|
|
thread_play(state);
|
|
break;
|
|
case (WAIT_OBJECT_0 + 6): /* feed */
|
|
if (state->is_playing)
|
|
feedwatch = 1;
|
|
thread_feed(state, state->final_chunk);
|
|
break;
|
|
case WAIT_TIMEOUT: /* Did our feed die? */
|
|
if (feedwatch)
|
|
return -1;
|
|
break;
|
|
default:
|
|
case WAIT_FAILED: /* ??? */
|
|
return -1;
|
|
}
|
|
}
|
|
exit_label:
|
|
return state->init_ret;
|
|
}
|
|
|
|
static void closehandles(struct ao *ao)
|
|
{
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
if (state->init_done)
|
|
CloseHandle(state->init_done);
|
|
if (state->hPlay)
|
|
CloseHandle(state->hPlay);
|
|
if (state->hPause)
|
|
CloseHandle(state->hPause);
|
|
if (state->hReset)
|
|
CloseHandle(state->hReset);
|
|
if (state->hUninit)
|
|
CloseHandle(state->hUninit);
|
|
if (state->hFeed)
|
|
CloseHandle(state->hFeed);
|
|
if (state->hGetvol)
|
|
CloseHandle(state->hGetvol);
|
|
if (state->hSetvol)
|
|
CloseHandle(state->hSetvol);
|
|
if (state->hDoneVol)
|
|
CloseHandle(state->hDoneVol);
|
|
}
|
|
|
|
static int get_space(struct ao *ao)
|
|
{
|
|
if (!ao || !ao->priv)
|
|
return -1;
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
return mp_ring_available(state->ringbuff) / ao->sstride;
|
|
}
|
|
|
|
static void reset_buffers(struct wasapi_state *state)
|
|
{
|
|
state->final_chunk = 0;
|
|
mp_ring_reset(state->ringbuff);
|
|
}
|
|
|
|
static int setup_buffers(struct wasapi_state *state)
|
|
{
|
|
state->ringbuff =
|
|
mp_ring_new(state, RING_BUFFER_COUNT * state->buffer_block_size);
|
|
return !state->ringbuff;
|
|
}
|
|
|
|
static void uninit(struct ao *ao, bool block)
|
|
{
|
|
MP_VERBOSE(ao, "uninit!\n");
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
state->immed = !block;
|
|
SetEvent(state->hUninit);
|
|
/* wait up to 10 seconds */
|
|
if (WaitForSingleObject(state->threadLoop, 10000) == WAIT_TIMEOUT)
|
|
SetEvent(state->fatal_error);
|
|
if (state->VistaBlob.hAvrt)
|
|
FreeLibrary(state->VistaBlob.hAvrt);
|
|
closehandles(ao);
|
|
MP_VERBOSE(ao, "uninit END!\n");
|
|
}
|
|
|
|
static int init(struct ao *ao)
|
|
{
|
|
MP_VERBOSE(ao, "init!\n");
|
|
ao->format = af_fmt_from_planar(ao->format);
|
|
struct mp_chmap_sel sel = {0};
|
|
mp_chmap_sel_add_waveext(&sel);
|
|
if (!ao_chmap_sel_adjust(ao, &sel, &ao->channels))
|
|
return -1;
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
state->log = ao->log;
|
|
fill_VistaBlob(state);
|
|
|
|
if (state->opt_list) {
|
|
enumerate_devices(state->log);
|
|
}
|
|
|
|
if (state->opt_exclusive) {
|
|
state->share_mode = AUDCLNT_SHAREMODE_EXCLUSIVE;
|
|
} else {
|
|
state->share_mode = AUDCLNT_SHAREMODE_SHARED;
|
|
}
|
|
|
|
state->init_done = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
state->hPlay = CreateEventW(NULL, FALSE, FALSE, NULL); /* kick start audio feed */
|
|
state->hPause = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
state->hReset = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
state->hGetvol = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
state->hSetvol = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
state->hDoneVol = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
state->hUninit = CreateEventW(NULL, FALSE, FALSE, NULL);
|
|
state->fatal_error = CreateEventW(NULL, TRUE, FALSE, NULL);
|
|
state->hFeed = CreateEvent(NULL, FALSE, FALSE, NULL); /* for wasapi event mode */
|
|
if (!state->init_done || !state->fatal_error || !state->hPlay ||
|
|
!state->hPause || !state->hFeed || !state->hReset || !state->hGetvol ||
|
|
!state->hSetvol || !state->hDoneVol)
|
|
{
|
|
closehandles(ao);
|
|
/* failed to init events */
|
|
return -1;
|
|
}
|
|
state->init_ret = -1;
|
|
state->threadLoop = (HANDLE)CreateThread(NULL, 0, &ThreadLoop, ao, 0, NULL);
|
|
if (!state->threadLoop) {
|
|
/* failed to init thread */
|
|
MP_ERR(ao, "fail to create thread!\n");
|
|
return -1;
|
|
}
|
|
WaitForSingleObject(state->init_done, INFINITE); /* wait on init complete */
|
|
if (state->init_ret) {
|
|
if (!ao->probing) {
|
|
MP_ERR(ao, "thread_init failed!\n");
|
|
}
|
|
} else {
|
|
MP_VERBOSE(ao, "Init Done!\n");
|
|
if (setup_buffers(state))
|
|
MP_ERR(ao, "buffer setup failed!\n");
|
|
}
|
|
return state->init_ret;
|
|
}
|
|
|
|
static int control(struct ao *ao, enum aocontrol cmd, void *arg)
|
|
{
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
if (!(state->vol_hw_support & ENDPOINT_HARDWARE_SUPPORT_VOLUME))
|
|
return CONTROL_UNKNOWN; /* hw does not support volume controls in exclusive mode */
|
|
|
|
ao_control_vol_t *vol = (ao_control_vol_t *)arg;
|
|
ResetEvent(state->hDoneVol);
|
|
|
|
switch (cmd) {
|
|
case AOCONTROL_GET_VOLUME:
|
|
SetEvent(state->hGetvol);
|
|
if (WaitForSingleObject(state->hDoneVol, 100) == WAIT_OBJECT_0) {
|
|
vol->left = vol->right = 100.0f * state->audio_volume;
|
|
return CONTROL_OK;
|
|
}
|
|
return CONTROL_UNKNOWN;
|
|
case AOCONTROL_SET_VOLUME:
|
|
state->audio_volume = vol->left / 100.f;
|
|
SetEvent(state->hSetvol);
|
|
if (WaitForSingleObject(state->hDoneVol, 100) == WAIT_OBJECT_0)
|
|
return CONTROL_OK;
|
|
return CONTROL_UNKNOWN;
|
|
default:
|
|
return CONTROL_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
static void audio_resume(struct ao *ao)
|
|
{
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
ResetEvent(state->hPause);
|
|
ResetEvent(state->hReset);
|
|
SetEvent(state->hPlay);
|
|
}
|
|
|
|
static void audio_pause(struct ao *ao)
|
|
{
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
ResetEvent(state->hPlay);
|
|
SetEvent(state->hPause);
|
|
}
|
|
|
|
static void reset(struct ao *ao)
|
|
{
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
ResetEvent(state->hPlay);
|
|
SetEvent(state->hReset);
|
|
reset_buffers(state);
|
|
}
|
|
|
|
static int play(struct ao *ao, void **data, int samples, int flags)
|
|
{
|
|
if (!ao || !ao->priv)
|
|
return 0;
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
if (WaitForSingleObject(state->fatal_error, 0) == WAIT_OBJECT_0) {
|
|
/* something bad happened */
|
|
return 0;
|
|
}
|
|
|
|
int ret = mp_ring_write(state->ringbuff, data[0], samples * ao->sstride);
|
|
|
|
state->final_chunk |= flags & AOPLAY_FINAL_CHUNK;
|
|
if (!state->is_playing) {
|
|
/* start playing */
|
|
state->is_playing = 1;
|
|
SetEvent(state->hPlay);
|
|
}
|
|
return ret / ao->sstride;
|
|
}
|
|
|
|
static float get_device_delay(struct wasapi_state *state) {
|
|
/* where we pray that sample_count hasn't desynced */
|
|
mp_memory_barrier();
|
|
UINT64 sample_count = state->sample_count;
|
|
UINT64 position, qpc_position;
|
|
HRESULT hr;
|
|
|
|
switch (hr = IAudioClock_GetPosition(state->pAudioClock, &position, &qpc_position)) {
|
|
case S_OK: case S_FALSE:
|
|
break;
|
|
default:
|
|
MP_ERR(state, "IAudioClock::GetPosition returned %s\n", explain_err(hr));
|
|
}
|
|
|
|
LARGE_INTEGER qpc_count;
|
|
QueryPerformanceCounter(&qpc_count);
|
|
UINT64 qpc_diff = (qpc_count.QuadPart * 10000000 / state->qpc_frequency.QuadPart) - qpc_position;
|
|
|
|
position += state->clock_frequency * qpc_diff / 10000000;
|
|
|
|
/* convert position to the same base as sample_count */
|
|
position = position * state->format.Format.nSamplesPerSec / state->clock_frequency;
|
|
|
|
uint32_t diff = sample_count - position;
|
|
float delay = diff / (float)state->format.Format.nSamplesPerSec;
|
|
|
|
MP_TRACE(state, "device delay: %"PRIu32" samples (%g ms)\n", diff, delay * 1000);
|
|
|
|
return delay;
|
|
}
|
|
|
|
static float get_delay(struct ao *ao)
|
|
{
|
|
if (!ao || !ao->priv)
|
|
return -1.0f;
|
|
|
|
struct wasapi_state *state = (struct wasapi_state *)ao->priv;
|
|
|
|
return get_device_delay(state) +
|
|
(float)(RING_BUFFER_COUNT * state->buffer_block_size - get_space(ao) * ao->sstride) /
|
|
(float)state->format.Format.nAvgBytesPerSec;
|
|
}
|
|
|
|
#define OPT_BASE_STRUCT struct wasapi_state
|
|
|
|
const struct ao_driver audio_out_wasapi = {
|
|
.description = "Windows WASAPI audio output (event mode)",
|
|
.name = "wasapi",
|
|
.init = init,
|
|
.uninit = uninit,
|
|
.control = control,
|
|
.get_space = get_space,
|
|
.play = play,
|
|
.get_delay = get_delay,
|
|
.pause = audio_pause,
|
|
.resume = audio_resume,
|
|
.reset = reset,
|
|
.priv_size = sizeof(wasapi_state),
|
|
.options = (const struct m_option[]) {
|
|
OPT_FLAG("exclusive", opt_exclusive, 0),
|
|
OPT_FLAG("list", opt_list, 0),
|
|
OPT_STRING_VALIDATE("device", opt_device, 0, validate_device),
|
|
{NULL},
|
|
},
|
|
};
|