diff options
Diffstat (limited to 'tinyDAV/src/audio/wasapi/tdav_producer_wasapi.cxx')
-rw-r--r-- | tinyDAV/src/audio/wasapi/tdav_producer_wasapi.cxx | 681 |
1 files changed, 681 insertions, 0 deletions
diff --git a/tinyDAV/src/audio/wasapi/tdav_producer_wasapi.cxx b/tinyDAV/src/audio/wasapi/tdav_producer_wasapi.cxx new file mode 100644 index 0000000..7d172a2 --- /dev/null +++ b/tinyDAV/src/audio/wasapi/tdav_producer_wasapi.cxx @@ -0,0 +1,681 @@ +/*Copyright (C) 2013 Mamadou DIOP +* Copyright (C) 2013-2014 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 tdav_producer_wasapi.cxx + * @brief Microsoft Windows Audio Session API (WASAPI) producer. + * http://msdn.microsoft.com/en-us/library/windows/desktop/dd316551(v=vs.85).aspx + */ +#include "tinydav/audio/wasapi/tdav_producer_wasapi.h" + +#if HAVE_WASAPI + +#include "tinydav/audio/tdav_producer_audio.h" + +#include "tsk_memory.h" +#include "tsk_string.h" +#include "tsk_debug.h" + +#include <windows.h> +#include <audioclient.h> +#include <phoneaudioclient.h> + +#include <speex/speex_buffer.h> + +#if !defined(TDAV_WASAPI_PRODUCER_NOTIF_POS_COUNT) +# define TDAV_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) + +#define WASAPI_DEBUG_INFO(FMT, ...) TSK_DEBUG_INFO("[WASAPI Producer] " FMT, ##__VA_ARGS__) +#define WASAPI_DEBUG_WARN(FMT, ...) TSK_DEBUG_WARN("[WASAPI Producer] " FMT, ##__VA_ARGS__) +#define WASAPI_DEBUG_ERROR(FMT, ...) TSK_DEBUG_ERROR("[WASAPI Producer] " FMT, ##__VA_ARGS__) +#define WASAPI_DEBUG_FATAL(FMT, ...) TSK_DEBUG_FATAL("[WASAPI Producer] " FMT, ##__VA_ARGS__) + +struct tdav_producer_wasapi_s; + +namespace Doubango +{ + namespace VoIP + { + ref class AudioCapture sealed + { + public: + virtual ~AudioCapture(); + internal: + AudioCapture(); + + int Prepare(struct tdav_producer_wasapi_s* wasapi, const tmedia_codec_t* codec); + int UnPrepare(); + int Start(); + int Stop(); + int Pause(); + + private: + void AsyncThread(Windows::Foundation::IAsyncAction^ operation); + + private: + tsk_mutex_handle_t* m_hMutex; + IAudioClient2* m_pDevice; + IAudioCaptureClient* m_pClient; + HANDLE m_hCaptureEvent; + HANDLE m_hShutdownEvent; + Windows::Foundation::IAsyncAction^ m_pAsyncThread; + 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 tdav_producer_wasapi_s +{ + TDAV_DECLARE_PRODUCER_AUDIO; + + Doubango::VoIP::AudioCapture ^audioCapture; +} +tdav_producer_wasapi_t; + +extern "C" void tdav_win32_print_error(const char* func, HRESULT hr); + + +/* ============ Media Producer Interface ================= */ +static int tdav_producer_wasapi_set(tmedia_producer_t* self, const tmedia_param_t* param) +{ + tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_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 tdav_producer_wasapi_prepare(tmedia_producer_t* self, const tmedia_codec_t* codec) +{ + tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self; + + if(!wasapi || !codec || !wasapi->audioCapture){ + WASAPI_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); + + WASAPI_DEBUG_INFO("channels=%d, rate=%d, ptime=%d", + TMEDIA_PRODUCER(wasapi)->audio.channels, + TMEDIA_PRODUCER(wasapi)->audio.rate, + TMEDIA_PRODUCER(wasapi)->audio.ptime); + + return wasapi->audioCapture->Prepare(wasapi, codec); +} + +static int tdav_producer_wasapi_start(tmedia_producer_t* self) +{ + tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self; + + WASAPI_DEBUG_INFO("tdav_producer_wasapi_start()"); + + if(!wasapi || !wasapi->audioCapture){ + WASAPI_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->audioCapture->Start(); +} + +static int tdav_producer_wasapi_pause(tmedia_producer_t* self) +{ + tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self; + + if(!wasapi || !wasapi->audioCapture){ + WASAPI_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->audioCapture->Pause(); +} + +static int tdav_producer_wasapi_stop(tmedia_producer_t* self) +{ + tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self; + + WASAPI_DEBUG_INFO("tdav_producer_wasapi_stop()"); + + if(!wasapi || !wasapi->audioCapture){ + WASAPI_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->audioCapture->Stop(); +} + + + + + + + +Doubango::VoIP::AudioCapture::AudioCapture() + : m_pDevice(nullptr) + , m_hMutex(nullptr) + , m_pClient(nullptr) + , m_hCaptureEvent(nullptr) + , m_hShutdownEvent(nullptr) + , m_pAsyncThread(nullptr) + , m_nBytesPerNotif(0) + , m_nSourceFrameSizeInBytes(0) + , m_bStarted(false) + , m_bPrepared(false) + , m_bPaused(false) +{ + m_callback.fn = nullptr, m_callback.pcData = nullptr; + memset(&m_ring, 0, sizeof(m_ring)); + + if(!(m_hMutex = tsk_mutex_create())){ + throw ref new Platform::FailureException(L"Failed to create mutex"); + } +} + +Doubango::VoIP::AudioCapture::~AudioCapture() +{ + Stop(); + UnPrepare(); + + tsk_mutex_destroy(&m_hMutex); +} + +int Doubango::VoIP::AudioCapture::Prepare(tdav_producer_wasapi_t* wasapi, const tmedia_codec_t* codec) +{ + HRESULT hr = E_FAIL; + int ret = 0; + WAVEFORMATEX wfx = {0}; + AudioClientProperties properties = {0}; + LPCWSTR pwstrCaptureId = nullptr; + + #define WASAPI_SET_ERROR(code) ret = (code); goto bail; + + tsk_mutex_lock(m_hMutex); + + if(m_bPrepared) + { + WASAPI_DEBUG_INFO("#WASAPI: Audio producer already prepared"); + goto bail; + } + + if(!wasapi || !codec) + { + WASAPI_DEBUG_ERROR("Invalid parameter"); + WASAPI_SET_ERROR(-1); + } + + if(m_pDevice || m_pClient){ + WASAPI_DEBUG_ERROR("Producer already prepared"); + WASAPI_SET_ERROR(-2); + } + + pwstrCaptureId = GetDefaultAudioCaptureId(AudioDeviceRole::Communications); + + if (NULL == pwstrCaptureId){ + tdav_win32_print_error("GetDefaultAudioCaptureId", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-3); + } + + hr = ActivateAudioInterface(pwstrCaptureId, __uuidof(IAudioClient2), (void**)&m_pDevice); + if(!SUCCEEDED(hr)){ + tdav_win32_print_error("ActivateAudioInterface", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-4); + } + + if (SUCCEEDED(hr)){ + properties.cbSize = sizeof AudioClientProperties; + properties.eCategory = AudioCategory_Communications; + hr = m_pDevice->SetClientProperties(&properties); + if (!SUCCEEDED(hr)){ + tdav_win32_print_error("SetClientProperties", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-5); + } + } + else{ + tdav_win32_print_error("ActivateAudioInterface", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-6); + } + + /* 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) + { + tdav_win32_print_error("IsFormatSupported", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-8); + } + + if(hr == S_FALSE) + { + if(!pwfxClosestMatch) + { + WASAPI_DEBUG_ERROR("malloc(%d) failed", sizeof(WAVEFORMATEX)); + WASAPI_SET_ERROR(-7); + } + 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; + + WASAPI_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); + + // Initialize + hr = m_pDevice->Initialize( + AUDCLNT_SHAREMODE_SHARED, + AUDCLNT_STREAMFLAGS_EVENTCALLBACK, + (TDAV_WASAPI_PRODUCER_NOTIF_POS_COUNT * WASAPI_MILLIS_TO_100NS(TMEDIA_PRODUCER(wasapi)->audio.ptime)), + 0, + &wfx, + NULL); + if (!SUCCEEDED(hr)){ + tdav_win32_print_error("#WASAPI: Capture::SetClientProperties", hr); + WASAPI_SET_ERROR(-9); + } + + REFERENCE_TIME DefaultDevicePeriod, MinimumDevicePeriod; + hr = m_pDevice->GetDevicePeriod(&DefaultDevicePeriod, &MinimumDevicePeriod); + if (!SUCCEEDED(hr)){ + tdav_win32_print_error("GetDevicePeriod", hr); + WASAPI_SET_ERROR(-10); + } + WASAPI_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))){ + tdav_win32_print_error("CreateEventEx(Capture)", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-11); + } + } + if(!m_hShutdownEvent){ + if(!(m_hShutdownEvent = CreateEventEx(NULL, NULL, CREATE_EVENT_MANUAL_RESET, EVENT_ALL_ACCESS))){ + tdav_win32_print_error("CreateEventEx(Shutdown)", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-12); + } + } + + hr = m_pDevice->SetEventHandle(m_hCaptureEvent); + if (!SUCCEEDED(hr)){ + tdav_win32_print_error("SetEventHandle", hr); + WASAPI_SET_ERROR(-13); + } + + hr = m_pDevice->GetService(__uuidof(IAudioCaptureClient), (void**)&m_pClient); + if (!SUCCEEDED(hr)){ + tdav_win32_print_error("GetService", hr); + WASAPI_SET_ERROR(-14); + } + + int packetperbuffer = (1000 / TMEDIA_PRODUCER(wasapi)->audio.ptime); + m_ring.chunck.size = wfx.nSamplesPerSec * (wfx.wBitsPerSample >> 3) / packetperbuffer; + WASAPI_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))){ + WASAPI_DEBUG_ERROR("Failed to allocate new buffer"); + WASAPI_SET_ERROR(-15); + } + // create ringbuffer + m_ring.size = TDAV_WASAPI_PRODUCER_NOTIF_POS_COUNT * m_ring.chunck.size; + WASAPI_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){ + WASAPI_DEBUG_ERROR("speex_buffer_resize(%d) failed with error code=%d", m_ring.size, sret); + WASAPI_SET_ERROR(-16); + } + } + if(!m_ring.buffer){ + WASAPI_DEBUG_ERROR("Failed to create a new ring buffer with size = %d", m_ring.size); + WASAPI_SET_ERROR(-17); + } + + m_callback.fn = TMEDIA_PRODUCER(wasapi)->enc_cb.callback; + m_callback.pcData = TMEDIA_PRODUCER(wasapi)->enc_cb.callback_data; + +bail: + if (pwstrCaptureId){ + CoTaskMemFree((LPVOID)pwstrCaptureId); + } + if(ret != 0){ + UnPrepare(); + } + m_bPrepared = (ret == 0); + + tsk_mutex_unlock(m_hMutex); + + return ret; +} + +int Doubango::VoIP::AudioCapture::UnPrepare() +{ + tsk_mutex_lock(m_hMutex); + + if(m_hCaptureEvent) + { + CloseHandle(m_hCaptureEvent), m_hCaptureEvent = nullptr; + } + if(m_hShutdownEvent) + { + CloseHandle(m_hShutdownEvent), m_hShutdownEvent = nullptr; + } + if(m_pDevice) + { + m_pDevice->Release(), m_pDevice = nullptr; + } + if(m_pClient) + { + m_pClient->Release(), m_pClient = nullptr; + } + + TSK_FREE(m_ring.chunck.buffer); + if(m_ring.buffer){ + speex_buffer_destroy(m_ring.buffer); + m_ring.buffer = nullptr; + } + + m_callback.fn = nullptr; + m_callback.pcData = nullptr; + + m_bPrepared = false; + + tsk_mutex_unlock(m_hMutex); + + return 0; +} + +int Doubango::VoIP::AudioCapture::Start() +{ + tsk_mutex_lock(m_hMutex); + + if(m_bStarted) + { + WASAPI_DEBUG_INFO("#WASAPI: Audio producer already started"); + goto bail; + } + if(!m_bPrepared) + { + WASAPI_DEBUG_ERROR("Audio producer not prepared"); + goto bail; + } + + m_pAsyncThread = Windows::System::Threading::ThreadPool::RunAsync(ref new Windows::System::Threading::WorkItemHandler(this, &Doubango::VoIP::AudioCapture::AsyncThread), + Windows::System::Threading::WorkItemPriority::High, + Windows::System::Threading::WorkItemOptions::TimeSliced); + + if((m_bStarted = (m_pAsyncThread != nullptr))) + { + HRESULT hr = m_pDevice->Start(); + if(!SUCCEEDED(hr)) + { + tdav_win32_print_error("Device::Start", hr); + Stop(); + } + m_bPaused = false; + } + +bail: + tsk_mutex_unlock(m_hMutex); + + return (m_bStarted ? 0 : -2); +} + +int Doubango::VoIP::AudioCapture::Stop() +{ + m_bStarted = false; + + tsk_mutex_lock(m_hMutex); + + if (m_hShutdownEvent) + { + SetEvent(m_hShutdownEvent); + } + + if (m_pAsyncThread) + { + m_pAsyncThread->Cancel(); + m_pAsyncThread->Close(); + m_pAsyncThread = nullptr; + } + + if(m_pDevice) + { + m_pDevice->Stop(); + } + + // will be prepared again before next start() + UnPrepare(); + + tsk_mutex_unlock(m_hMutex); + + return 0; +} + +int Doubango::VoIP::AudioCapture::Pause() +{ + tsk_mutex_lock(m_hMutex); + + m_bPaused = true; + + tsk_mutex_unlock(m_hMutex); + + return 0; +} + +void Doubango::VoIP::AudioCapture::AsyncThread(Windows::Foundation::IAsyncAction^ operation) +{ + HRESULT hr = S_OK; + BYTE* pbData = nullptr; + UINT32 nFrames = 0; + DWORD dwFlags = 0; + UINT32 incomingBufferSize; + INT32 avail; + UINT32 nNextPacketSize; + + HANDLE eventHandles[] = { + m_hCaptureEvent, // WAIT_OBJECT0 + m_hShutdownEvent // WAIT_OBJECT1 + }; + + WASAPI_DEBUG_INFO("#WASAPI: __record_thread -- START"); + + #define BREAK_WHILE tsk_mutex_unlock(m_hMutex); break; + + while(m_bStarted && SUCCEEDED(hr)){ + DWORD waitResult = WaitForMultipleObjectsEx(SIZEOF_ARRAY(eventHandles), eventHandles, FALSE, INFINITE, FALSE); + + tsk_mutex_lock(m_hMutex); + + if(!m_bStarted){ + BREAK_WHILE; + } + + if(waitResult == WAIT_OBJECT_0 && m_callback.fn) { + hr = m_pClient->GetNextPacketSize(&nNextPacketSize); + while(SUCCEEDED(hr) && nNextPacketSize >0){ + hr = m_pClient->GetBuffer(&pbData, &nFrames, &dwFlags, nullptr, nullptr); + if(SUCCEEDED(hr) && pbData && nFrames){ + if((dwFlags & AUDCLNT_BUFFERFLAGS_SILENT) != AUDCLNT_BUFFERFLAGS_SILENT){ + incomingBufferSize = nFrames * m_nSourceFrameSizeInBytes; + speex_buffer_write(m_ring.buffer, pbData, incomingBufferSize); + avail = speex_buffer_get_available(m_ring.buffer); + while (m_bStarted && avail >= (INT32)m_ring.chunck.size) { + avail -= speex_buffer_read(m_ring.buffer, m_ring.chunck.buffer, m_ring.chunck.size); + m_callback.fn(m_callback.pcData, m_ring.chunck.buffer, m_ring.chunck.size); + } + } + + if (SUCCEEDED(hr)){ + hr = m_pClient->ReleaseBuffer(nFrames); + } + if (SUCCEEDED(hr)){ + hr = m_pClient->GetNextPacketSize(&nNextPacketSize); + } + } + } + } + else if(waitResult != WAIT_OBJECT_0){ + BREAK_WHILE; + } + + tsk_mutex_unlock(m_hMutex); + }// end-of-while + + if (!SUCCEEDED(hr)){ + tdav_win32_print_error("AsyncThread: ", hr); + } + + + WASAPI_DEBUG_INFO("WASAPI: __record_thread(%s) -- STOP", SUCCEEDED(hr) ? "OK": "NOK"); +} + + + + + + + +// +// WaveAPI producer object definition +// +/* constructor */ +static tsk_object_t* tdav_producer_wasapi_ctor(tsk_object_t * self, va_list * app) +{ + tdav_producer_wasapi_t *wasapi = (tdav_producer_wasapi_t*)self; + if(wasapi){ + /* init base */ + tdav_producer_audio_init(TDAV_PRODUCER_AUDIO(wasapi)); + /* init self */ + + wasapi->audioCapture = ref new Doubango::VoIP::AudioCapture(); + } + return self; +} +/* destructor */ +static tsk_object_t* tdav_producer_wasapi_dtor(tsk_object_t * self) +{ + tdav_producer_wasapi_t *wasapi = (tdav_producer_wasapi_t*)self; + if(wasapi){ + /* stop */ + tdav_producer_wasapi_stop((tmedia_producer_t*)self); + /* deinit base */ + tdav_producer_audio_deinit(TDAV_PRODUCER_AUDIO(wasapi)); + /* deinit self */ + if(wasapi->audioCapture){ + delete wasapi->audioCapture; + wasapi->audioCapture = nullptr; + } + } + + return self; +} +/* object definition */ +static const tsk_object_def_t tdav_producer_wasapi_def_s = +{ + sizeof(tdav_producer_wasapi_t), + tdav_producer_wasapi_ctor, + tdav_producer_wasapi_dtor, + tdav_producer_audio_cmp, +}; +/* plugin definition*/ +static const tmedia_producer_plugin_def_t tdav_producer_wasapi_plugin_def_s = +{ + &tdav_producer_wasapi_def_s, + + tmedia_audio, + "Microsoft Windows Audio Session API (WASAPI) producer", + + tdav_producer_wasapi_set, + tdav_producer_wasapi_prepare, + tdav_producer_wasapi_start, + tdav_producer_wasapi_pause, + tdav_producer_wasapi_stop +}; +const tmedia_producer_plugin_def_t *tdav_producer_wasapi_plugin_def_t = &tdav_producer_wasapi_plugin_def_s; + + + + +#endif /* HAVE_WASAPI */ |