diff options
Diffstat (limited to 'plugins/pluginWASAPI/plugin_wasapi_producer_audio.cxx')
| -rw-r--r-- | plugins/pluginWASAPI/plugin_wasapi_producer_audio.cxx | 712 |
1 files changed, 712 insertions, 0 deletions
diff --git a/plugins/pluginWASAPI/plugin_wasapi_producer_audio.cxx b/plugins/pluginWASAPI/plugin_wasapi_producer_audio.cxx new file mode 100644 index 0000000..6f44ab0 --- /dev/null +++ b/plugins/pluginWASAPI/plugin_wasapi_producer_audio.cxx @@ -0,0 +1,712 @@ +/*Copyright (C) 2013 Mamadou Diop +* Copyright (C) 2013 Doubango Telecom <http://www.doubango.org> +* +* This file is part of Open Source Doubango Framework. +* +* DOUBANGO is free software: you can redistribute it and/or modify +* it under the terms of the GNU General Public License as published by +* the Free Software Foundation, either version 3 of the License, or +* (at your option) any later version. +* +* DOUBANGO 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 General Public License for more details. +* +* You should have received a copy of the GNU General Public License +* along with DOUBANGO. +*/ +/**@file plugin_wasapi_producer_audio.cxx +* @brief Microsoft Windows Audio Session API (WASAPI) producer. +* http://msdn.microsoft.com/en-us/library/windows/desktop/dd316551(v=vs.85).aspx +*/ +#include "plugin_wasapi_utils.h" + +#include "tinydav/audio/tdav_producer_audio.h" + +#include "tsk_thread.h" +#include "tsk_memory.h" +#include "tsk_string.h" +#include "tsk_debug.h" + +#include <windows.h> +#include <audioclient.h> +#if PLUGIN_WASAPI_UNDER_WINDOWS_PHONE +# include <phoneaudioclient.h> +#else +# include <Mmdeviceapi.h> +#endif +#include <initguid.h> + +#include <speex/speex_buffer.h> + +static const CLSID CLSID_MMDeviceEnumerator = __uuidof(MMDeviceEnumerator); +static const IID IID_IMMDeviceEnumerator = __uuidof(IMMDeviceEnumerator); +static const IID IID_IAudioClient = __uuidof(IAudioClient); +static const IID IID_IAudioCaptureClient = __uuidof(IAudioCaptureClient); + +#if !defined(PLUGIN_WASAPI_PRODUCER_NOTIF_POS_COUNT) +# define PLUGIN_WASAPI_PRODUCER_NOTIF_POS_COUNT 10 +#endif +#define WASAPI_MILLIS_TO_100NS(MILLIS) (((LONGLONG)(MILLIS)) * 10000ui64) +#define WASAPI_100NS_TO_MILLIS(NANOS) (((LONGLONG)(NANOS)) / 10000ui64) + +struct plugin_wasapi_producer_audio_s; + +class AudioCapture +{ +public: + AudioCapture(); + virtual ~AudioCapture(); + + int Prepare(struct plugin_wasapi_producer_audio_s* wasapi, const tmedia_codec_t* codec); + int UnPrepare(); + int Start(); + int Stop(); + int Pause(); + +private: + static void* TSK_STDCALL AsyncThread(void *pArg); + +private: + tsk_mutex_handle_t* m_hMutex; +#if PLUGIN_WASAPI_UNDER_WINDOWS_PHONE + IAudioClient2* m_pDevice; +#else + IAudioClient* m_pDevice; +#endif + IAudioCaptureClient* m_pClient; + HANDLE m_hCaptureEvent; + HANDLE m_hShutdownEvent; + tsk_thread_handle_t* m_ppTread[1]; + INT32 m_nBytesPerNotif; + INT32 m_nSourceFrameSizeInBytes; + + struct + { + tmedia_producer_enc_cb_f fn; + const void* pcData; + } m_callback; + + struct + { + struct + { + void* buffer; + tsk_size_t size; + } chunck; + SpeexBuffer* buffer; + tsk_size_t size; + } m_ring; + bool m_bStarted; + bool m_bPrepared; + bool m_bPaused; +}; + +typedef struct plugin_wasapi_producer_audio_s +{ + TDAV_DECLARE_PRODUCER_AUDIO; + AudioCapture* pAudioCapture; +} +plugin_wasapi_producer_audio_t; + + +/* ============ Media Producer Interface ================= */ +static int plugin_wasapi_producer_audio_set(tmedia_producer_t* self, const tmedia_param_t* param) +{ + plugin_wasapi_producer_audio_t* wasapi = (plugin_wasapi_producer_audio_t*)self; + if(param->plugin_type == tmedia_ppt_producer) + { + if(param->value_type == tmedia_pvt_int32) + { + if(tsk_striequals(param->key, "volume")) + { + return 0; + } + else if(tsk_striequals(param->key, "mute")) + { + //wasapi->mute = (TSK_TO_INT32((uint8_t*)param->value) != 0); +#if !FIXME_SEND_SILENCE_ON_MUTE + //if(wasapi->started){ + // if(wasapi->mute){ + //IDirectSoundCaptureBuffer_Stop(wasapi->captureBuffer); + // } + // else{ + //IDirectSoundCaptureBuffer_Start(wasapi->captureBuffer, DSBPLAY_LOOPING); + // } + //} +#endif + return 0; + } + } + } + return tdav_producer_audio_set(TDAV_PRODUCER_AUDIO(self), param); +} + + + +static int plugin_wasapi_producer_audio_prepare(tmedia_producer_t* self, const tmedia_codec_t* codec) +{ + plugin_wasapi_producer_audio_t* wasapi = (plugin_wasapi_producer_audio_t*)self; + + if(!wasapi || !codec || !wasapi->pAudioCapture) + { + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + /* codec should have ptime */ + TMEDIA_PRODUCER(wasapi)->audio.channels = TMEDIA_CODEC_CHANNELS_AUDIO_ENCODING(codec); + TMEDIA_PRODUCER(wasapi)->audio.rate = TMEDIA_CODEC_RATE_ENCODING(codec); + TMEDIA_PRODUCER(wasapi)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_ENCODING(codec); + + TSK_DEBUG_INFO("WASAPI producer: channels=%d, rate=%d, ptime=%d", + TMEDIA_PRODUCER(wasapi)->audio.channels, + TMEDIA_PRODUCER(wasapi)->audio.rate, + TMEDIA_PRODUCER(wasapi)->audio.ptime); + + return wasapi->pAudioCapture->Prepare(wasapi, codec); +} + +static int plugin_wasapi_producer_audio_start(tmedia_producer_t* self) +{ + plugin_wasapi_producer_audio_t* wasapi = (plugin_wasapi_producer_audio_t*)self; + + TSK_DEBUG_INFO("plugin_wasapi_producer_audio_start()"); + + if(!wasapi || !wasapi->pAudioCapture){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->pAudioCapture->Start(); +} + +static int plugin_wasapi_producer_audio_pause(tmedia_producer_t* self) +{ + plugin_wasapi_producer_audio_t* wasapi = (plugin_wasapi_producer_audio_t*)self; + + if(!wasapi || !wasapi->pAudioCapture){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->pAudioCapture->Pause(); +} + +static int plugin_wasapi_producer_audio_stop(tmedia_producer_t* self) +{ + plugin_wasapi_producer_audio_t* wasapi = (plugin_wasapi_producer_audio_t*)self; + + TSK_DEBUG_INFO("plugin_wasapi_producer_audio_stop()"); + + if(!wasapi || !wasapi->pAudioCapture){ + TSK_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->pAudioCapture->Stop(); +} + + + + + + + +AudioCapture::AudioCapture() +: m_pDevice(NULL) +, m_hMutex(NULL) +, m_pClient(NULL) +, m_hCaptureEvent(NULL) +, m_hShutdownEvent(NULL) +, m_nBytesPerNotif(0) +, m_nSourceFrameSizeInBytes(0) +, m_bStarted(false) +, m_bPrepared(false) +, m_bPaused(false) +{ + m_ppTread[0] = NULL; + memset(&m_ring, 0, sizeof(m_ring)); + + m_callback.fn = NULL, m_callback.pcData = NULL; + + if(!(m_hMutex = tsk_mutex_create())) + { + TSK_DEBUG_ERROR("Failed to create mutex"); + } +} + +AudioCapture::~AudioCapture() +{ + Stop(); + UnPrepare(); + + tsk_mutex_destroy(&m_hMutex); +} + +int AudioCapture::Prepare(plugin_wasapi_producer_audio_t* wasapi, const tmedia_codec_t* codec) +{ + HRESULT hr = S_OK; + int ret = 0; + WAVEFORMATEX wfx = {0}; +#if PLUGIN_WASAPI_UNDER_WINDOWS_PHONE + AudioClientProperties properties = {0}; +#endif + IMMDeviceEnumerator *pEnumerator = NULL; + LPCWSTR pwstrCaptureId = NULL; + IMMDevice *pDevice = NULL; + + tsk_mutex_lock(m_hMutex); + + if(m_bPrepared) + { + TSK_DEBUG_INFO("#WASAPI: Audio producer already prepared"); + goto bail; + } + + if(!wasapi || !codec) + { + TSK_DEBUG_ERROR("Invalid parameter"); + CHECK_HR(hr = E_FAIL); + } + + if(m_pDevice || m_pClient) + { + TSK_DEBUG_ERROR("Producer already prepared"); + CHECK_HR(hr = E_FAIL); + } +#if PLUGIN_WASAPI_UNDER_WINDOWS_PHONE + pwstrCaptureId = GetDefaultAudioCaptureId(AudioDeviceRole::Communications); + if (NULL == pwstrCaptureId) + { + PLUGIN_WASAPI_ERROR("GetDefaultAudioCaptureId", HRESULT_FROM_WIN32(GetLastError())); + CHECK_HR(hr = E_FAIL); + } + CHECK_HR(hr = ActivateAudioInterface(pwstrCaptureId, __uuidof(IAudioClient2), (void**)&m_pDevice)); + + // Win8 or WP8 only + properties.cbSize = sizeof AudioClientProperties; + properties.eCategory = AudioCategory_Communications; + CHECK_HR(hr = m_pDevice->SetClientProperties(&properties)); +#else + CHECK_HR(hr = CoCreateInstance( + CLSID_MMDeviceEnumerator, NULL, + CLSCTX_ALL, IID_IMMDeviceEnumerator, + (void**)&pEnumerator)); + + CHECK_HR(hr = pEnumerator->GetDefaultAudioEndpoint( + eCapture, eCommunications, &pDevice)); + + CHECK_HR(hr = pDevice->Activate( + IID_IAudioClient, CLSCTX_ALL, + NULL, (void**)&m_pDevice)); +#endif + + + /* Set best format */ + { + wfx.wFormatTag = WAVE_FORMAT_PCM; + wfx.nChannels = TMEDIA_PRODUCER(wasapi)->audio.channels; + wfx.nSamplesPerSec = TMEDIA_PRODUCER(wasapi)->audio.rate; + wfx.wBitsPerSample = TMEDIA_PRODUCER(wasapi)->audio.bits_per_sample; + wfx.nBlockAlign = (wfx.nChannels * wfx.wBitsPerSample/8); + wfx.nAvgBytesPerSec = (wfx.nSamplesPerSec * wfx.nBlockAlign); + + PWAVEFORMATEX pwfxClosestMatch = NULL; + hr = m_pDevice->IsFormatSupported(AUDCLNT_SHAREMODE_SHARED, &wfx, &pwfxClosestMatch); + if(hr != S_OK && hr != S_FALSE) + { + CHECK_HR(hr); + } + + if(hr == S_FALSE) + { + if(!pwfxClosestMatch) + { + CHECK_HR(hr = E_OUTOFMEMORY); + } + wfx.nChannels = pwfxClosestMatch->nChannels; + wfx.nSamplesPerSec = pwfxClosestMatch->nSamplesPerSec; +#if 0 + wfx.wBitsPerSample = pwfxClosestMatch->wBitsPerSample; +#endif + wfx.nBlockAlign = wfx.nChannels * (wfx.wBitsPerSample / 8); + wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign; + // Request resampler + TMEDIA_PRODUCER(wasapi)->audio.rate = (uint32_t)wfx.nSamplesPerSec; + TMEDIA_PRODUCER(wasapi)->audio.bits_per_sample = (uint8_t)wfx.wBitsPerSample; + TMEDIA_PRODUCER(wasapi)->audio.channels = (uint8_t)wfx.nChannels; + + TSK_DEBUG_INFO("Audio device format fallback: rate=%d, bps=%d, channels=%d", wfx.nSamplesPerSec, wfx.wBitsPerSample, wfx.nChannels); + } + if(pwfxClosestMatch) + { + CoTaskMemFree(pwfxClosestMatch); + } + } + + m_nSourceFrameSizeInBytes = (wfx.wBitsPerSample >> 3) * wfx.nChannels; + m_nBytesPerNotif = ((wfx.nAvgBytesPerSec * TMEDIA_PRODUCER(wasapi)->audio.ptime)/1000) * wfx.nChannels; + + // Initialize + CHECK_HR(hr = m_pDevice->Initialize( + AUDCLNT_SHAREMODE_SHARED, + AUDCLNT_STREAMFLAGS_EVENTCALLBACK, + (PLUGIN_WASAPI_PRODUCER_NOTIF_POS_COUNT * WASAPI_MILLIS_TO_100NS(TMEDIA_PRODUCER(wasapi)->audio.ptime)), + 0, + &wfx, + NULL)); + + REFERENCE_TIME DefaultDevicePeriod, MinimumDevicePeriod; + CHECK_HR(hr = m_pDevice->GetDevicePeriod(&DefaultDevicePeriod, &MinimumDevicePeriod)); + TSK_DEBUG_INFO("#WASAPI(Capture): DefaultDevicePeriod=%lld ms, MinimumDevicePeriod=%lldms", WASAPI_100NS_TO_MILLIS(DefaultDevicePeriod), WASAPI_100NS_TO_MILLIS(MinimumDevicePeriod)); + + if(!m_hCaptureEvent) + { + if(!(m_hCaptureEvent = CreateEventEx(NULL, NULL, 0, EVENT_ALL_ACCESS))) + { + PLUGIN_WASAPI_ERROR(HRESULT_FROM_WIN32(GetLastError())); + CHECK_HR(hr = E_FAIL); + } + } + if(!m_hShutdownEvent) + { + if(!(m_hShutdownEvent = CreateEventEx(NULL, NULL, CREATE_EVENT_MANUAL_RESET, EVENT_ALL_ACCESS))) + { + PLUGIN_WASAPI_ERROR(HRESULT_FROM_WIN32(GetLastError())); + CHECK_HR(hr = E_FAIL); + } + } + + CHECK_HR(hr = m_pDevice->SetEventHandle(m_hCaptureEvent)); + + CHECK_HR(hr = m_pDevice->GetService(__uuidof(IAudioCaptureClient), (void**)&m_pClient)); + + int packetperbuffer = (1000 / TMEDIA_PRODUCER(wasapi)->audio.ptime); + m_ring.chunck.size = (wfx.nSamplesPerSec * (wfx.wBitsPerSample >> 3) / packetperbuffer) * wfx.nChannels; + TSK_DEBUG_INFO("#WASAPI: Audio producer ring chunk size = %u", m_ring.chunck.size); + // allocate our chunck buffer + if(!(m_ring.chunck.buffer = tsk_realloc(m_ring.chunck.buffer, m_ring.chunck.size))) + { + TSK_DEBUG_ERROR("Failed to allocate new buffer"); + CHECK_HR(hr = E_OUTOFMEMORY); + } + // create ringbuffer + m_ring.size = PLUGIN_WASAPI_PRODUCER_NOTIF_POS_COUNT * m_ring.chunck.size; + TSK_DEBUG_INFO("#WASAPI: Audio producer ring size = %u", m_ring.size); + if(!m_ring.buffer) + { + m_ring.buffer = speex_buffer_init(m_ring.size); + } + else + { + int sret; + if((sret = speex_buffer_resize(m_ring.buffer, m_ring.size)) < 0) + { + TSK_DEBUG_ERROR("speex_buffer_resize(%d) failed with error code=%d", m_ring.size, sret); + CHECK_HR(hr = E_OUTOFMEMORY); + } + } + if(!m_ring.buffer) + { + TSK_DEBUG_ERROR("Failed to create a new ring buffer with size = %d", m_ring.size); + CHECK_HR(hr = E_OUTOFMEMORY); + } + + m_callback.fn = TMEDIA_PRODUCER(wasapi)->enc_cb.callback; + m_callback.pcData = TMEDIA_PRODUCER(wasapi)->enc_cb.callback_data; + +bail: + ret = SUCCEEDED(hr) ? 0 : -1; + if (pwstrCaptureId) + { + CoTaskMemFree((LPVOID)pwstrCaptureId); + } + if(ret != 0) + { + UnPrepare(); + } + m_bPrepared = (ret == 0); + + tsk_mutex_unlock(m_hMutex); + + SafeRelease(&pEnumerator); + SafeRelease(&pDevice); + + return ret; +} + +int AudioCapture::UnPrepare() +{ + tsk_mutex_lock(m_hMutex); + + if(m_hCaptureEvent) + { + CloseHandle(m_hCaptureEvent), m_hCaptureEvent = NULL; + } + if(m_hShutdownEvent) + { + CloseHandle(m_hShutdownEvent), m_hShutdownEvent = NULL; + } + if(m_pDevice) + { + m_pDevice->Release(), m_pDevice = NULL; + } + if(m_pClient) + { + m_pClient->Release(), m_pClient = NULL; + } + + TSK_FREE(m_ring.chunck.buffer); + if(m_ring.buffer) + { + speex_buffer_destroy(m_ring.buffer); + m_ring.buffer = NULL; + } + + m_callback.fn = NULL; + m_callback.pcData = NULL; + + m_bPrepared = false; + + tsk_mutex_unlock(m_hMutex); + + return 0; +} + +int AudioCapture::Start() +{ + tsk_mutex_lock(m_hMutex); + + if(m_bStarted) + { + TSK_DEBUG_INFO("#WASAPI: Audio producer already started"); + goto bail; + } + if(!m_bPrepared) + { + TSK_DEBUG_ERROR("Audio producer not prepared"); + goto bail; + } + + m_bStarted = true; + if(!m_ppTread[0] && tsk_thread_create(m_ppTread, AudioCapture::AsyncThread, this) != 0) + { + m_bStarted = false; + goto bail; + } + + HRESULT hr = m_pDevice->Start(); + if(!SUCCEEDED(hr)) + { + PLUGIN_WASAPI_ERROR(hr); + Stop(); + } + m_bPaused = false; + +bail: + tsk_mutex_unlock(m_hMutex); + + return (m_bStarted ? 0 : -2); +} + +int AudioCapture::Stop() +{ + m_bStarted = false; + + tsk_mutex_lock(m_hMutex); + + if (m_hShutdownEvent) + { + SetEvent(m_hShutdownEvent); + } + + if (m_ppTread[0]) + { + tsk_thread_join(m_ppTread); + } + + if(m_pDevice) + { + m_pDevice->Stop(); + } + + // will be prepared again before next start() + UnPrepare(); + + tsk_mutex_unlock(m_hMutex); + + return 0; +} + +int AudioCapture::Pause() +{ + tsk_mutex_lock(m_hMutex); + + m_bPaused = true; + + tsk_mutex_unlock(m_hMutex); + + return 0; +} + +void* TSK_STDCALL AudioCapture::AsyncThread(void *pArg) +{ + HRESULT hr = S_OK; + BYTE* pbData = NULL; + UINT32 nFrames = 0; + DWORD dwFlags = 0; + UINT32 incomingBufferSize; + INT32 avail; + UINT32 nNextPacketSize; + AudioCapture* This = (AudioCapture*)pArg; + + HANDLE eventHandles[] = { + This->m_hCaptureEvent, // WAIT_OBJECT0 + This->m_hShutdownEvent // WAIT_OBJECT1 + }; + + TSK_DEBUG_INFO("#WASAPI: __record_thread -- START"); + +#define BREAK_WHILE tsk_mutex_unlock(This->m_hMutex); break; + + while(This->m_bStarted && SUCCEEDED(hr)) + { + DWORD waitResult = WaitForMultipleObjectsEx(SIZEOF_ARRAY(eventHandles), eventHandles, FALSE, INFINITE, FALSE); + + tsk_mutex_lock(This->m_hMutex); + + if(!This->m_bStarted) + { + BREAK_WHILE; + } + + if(waitResult == WAIT_OBJECT_0 && This->m_callback.fn) + { + hr = This->m_pClient->GetNextPacketSize(&nNextPacketSize); + while(SUCCEEDED(hr) && nNextPacketSize >0) + { + hr = This->m_pClient->GetBuffer(&pbData, &nFrames, &dwFlags, NULL, NULL); + if(SUCCEEDED(hr) && pbData && nFrames) + { + if((dwFlags & AUDCLNT_BUFFERFLAGS_SILENT) != AUDCLNT_BUFFERFLAGS_SILENT) + { + incomingBufferSize = nFrames * This->m_nSourceFrameSizeInBytes; + speex_buffer_write(This->m_ring.buffer, pbData, incomingBufferSize); + avail = speex_buffer_get_available(This->m_ring.buffer); + while (This->m_bStarted && avail >= (INT32)This->m_ring.chunck.size) + { + avail -= speex_buffer_read(This->m_ring.buffer, This->m_ring.chunck.buffer, This->m_ring.chunck.size); +#if 0 + { + static FILE* f = fopen("./wasapi_producer.raw", "w+"); + fwrite(This->m_ring.chunck.buffer, 1, This->m_ring.chunck.size, f); + } +#endif + This->m_callback.fn(This->m_callback.pcData, This->m_ring.chunck.buffer, This->m_ring.chunck.size); + } + } + + if (SUCCEEDED(hr)) + { + hr = This->m_pClient->ReleaseBuffer(nFrames); + } + if (SUCCEEDED(hr)) + { + hr = This->m_pClient->GetNextPacketSize(&nNextPacketSize); + } + } + } + } + else if(waitResult != WAIT_OBJECT_0) + { + BREAK_WHILE; + } + + tsk_mutex_unlock(This->m_hMutex); + }// end-of-while + + if (!SUCCEEDED(hr)) + { + PLUGIN_WASAPI_ERROR(hr); + } + + TSK_DEBUG_INFO("WASAPI: __record_thread(%s) -- STOP", SUCCEEDED(hr) ? "OK": "NOK"); + + return NULL; +} + + + + + + + +// +// WaveAPI producer object definition +// +/* constructor */ +static tsk_object_t* plugin_wasapi_producer_audio_ctor(tsk_object_t * self, va_list * app) +{ + plugin_wasapi_producer_audio_t *wasapi = (plugin_wasapi_producer_audio_t*)self; + if(wasapi) + { + WASAPIUtils::Startup(); + + /* init base */ + tdav_producer_audio_init(TDAV_PRODUCER_AUDIO(wasapi)); + /* init self */ + + wasapi->pAudioCapture = new AudioCapture(); + if(!wasapi->pAudioCapture) + { + TSK_DEBUG_ERROR("Failed to create Audio capture device"); + return tsk_null; + } + } + return self; +} +/* destructor */ +static tsk_object_t* plugin_wasapi_producer_audio_dtor(tsk_object_t * self) +{ + plugin_wasapi_producer_audio_t *wasapi = (plugin_wasapi_producer_audio_t*)self; + if(wasapi) + { + /* stop */ + plugin_wasapi_producer_audio_stop((tmedia_producer_t*)self); + /* deinit base */ + tdav_producer_audio_deinit(TDAV_PRODUCER_AUDIO(wasapi)); + /* deinit self */ + if(wasapi->pAudioCapture) + { + delete wasapi->pAudioCapture; + wasapi->pAudioCapture = NULL; + } + } + + return self; +} +/* object definition */ +static const tsk_object_def_t plugin_wasapi_producer_audio_def_s = +{ + sizeof(plugin_wasapi_producer_audio_t), + plugin_wasapi_producer_audio_ctor, + plugin_wasapi_producer_audio_dtor, + tdav_producer_audio_cmp, +}; +/* plugin definition*/ +static const tmedia_producer_plugin_def_t plugin_wasapi_producer_audio_plugin_def_s = +{ + &plugin_wasapi_producer_audio_def_s, + + tmedia_audio, + "Microsoft Windows Audio Session API (WASAPI) producer", + + plugin_wasapi_producer_audio_set, + plugin_wasapi_producer_audio_prepare, + plugin_wasapi_producer_audio_start, + plugin_wasapi_producer_audio_pause, + plugin_wasapi_producer_audio_stop +}; +const tmedia_producer_plugin_def_t *plugin_wasapi_producer_audio_plugin_def_t = &plugin_wasapi_producer_audio_plugin_def_s; |
