diff options
Diffstat (limited to 'tinyDAV/src/audio/wasapi/tdav_consumer_wasapi.cxx')
-rw-r--r-- | tinyDAV/src/audio/wasapi/tdav_consumer_wasapi.cxx | 676 |
1 files changed, 676 insertions, 0 deletions
diff --git a/tinyDAV/src/audio/wasapi/tdav_consumer_wasapi.cxx b/tinyDAV/src/audio/wasapi/tdav_consumer_wasapi.cxx new file mode 100644 index 0000000..c3a88e3 --- /dev/null +++ b/tinyDAV/src/audio/wasapi/tdav_consumer_wasapi.cxx @@ -0,0 +1,676 @@ +/*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_consumer_wasapi.cxx + * @brief Microsoft Windows Audio Session API (WASAPI) consumer. + * http://msdn.microsoft.com/en-us/library/windows/desktop/dd316551(v=vs.85).aspx + */ +#include "tinydav/audio/wasapi/tdav_consumer_wasapi.h" + +#if HAVE_WASAPI + +#include "tinydav/audio/tdav_consumer_audio.h" + +#include "tsk_thread.h" +#include "tsk_memory.h" +#include "tsk_string.h" +#include "tsk_condwait.h" +#include "tsk_debug.h" + +#include <windows.h> +#include <audioclient.h> +#include <phoneaudioclient.h> + +#include <speex/speex_buffer.h> + +#if !defined(TDAV_WASAPI_CONSUMER_NOTIF_POS_COUNT) +# define TDAV_WASAPI_CONSUMER_NOTIF_POS_COUNT 4 +#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 Consumer] " FMT, ##__VA_ARGS__) +#define WASAPI_DEBUG_WARN(FMT, ...) TSK_DEBUG_WARN("[WASAPI Consumer] " FMT, ##__VA_ARGS__) +#define WASAPI_DEBUG_ERROR(FMT, ...) TSK_DEBUG_ERROR("[WASAPI Consumer] " FMT, ##__VA_ARGS__) +#define WASAPI_DEBUG_FATAL(FMT, ...) TSK_DEBUG_FATAL("[WASAPI Consumer] " FMT, ##__VA_ARGS__) + +struct tdav_consumer_wasapi_s; + +namespace Doubango +{ + namespace VoIP + { + ref class AudioRender sealed + { + public: + virtual ~AudioRender(); + internal: + AudioRender(); + + int Prepare(struct tdav_consumer_wasapi_s* wasapi, const tmedia_codec_t* codec); + int UnPrepare(); + int Start(); + int Stop(); + int Pause(); + int Consume(const void* buffer, tsk_size_t size, const tsk_object_t* proto_hdr); + private: + tsk_size_t Read(void* data, tsk_size_t size); + void AsyncThread(Windows::Foundation::IAsyncAction^ operation); + + private: + tsk_mutex_handle_t* m_hMutex; + const struct tdav_consumer_wasapi_s* m_pWrappedConsumer; // Must not take ref() otherwise dtor() will be never called (circular reference) + IAudioClient2* m_pDevice; + IAudioRenderClient* m_pClient; + HANDLE m_hEvent; + Windows::Foundation::IAsyncAction^ m_pAsyncThread; + INT32 m_nBytesPerNotif; + INT32 m_nSourceFrameSizeInBytes; + UINT32 m_nMaxFrameCount; + UINT32 m_nPtime; + + struct { + struct { + void* buffer; + tsk_size_t size; + } chunck; + tsk_ssize_t leftBytes; + SpeexBuffer* buffer; + tsk_size_t size; + } m_ring; + + bool m_bStarted; + bool m_bPrepared; + bool m_bPaused; + }; + } +} + +typedef struct tdav_consumer_wasapi_s +{ + TDAV_DECLARE_CONSUMER_AUDIO; + + Doubango::VoIP::AudioRender ^AudioRender; +} +tdav_consumer_wasapi_t; + +extern "C" void tdav_win32_print_error(const char* func, HRESULT hr); + + +/* ============ Media consumer Interface ================= */ + +static int tdav_consumer_wasapi_set(tmedia_consumer_t* self, const tmedia_param_t* param) +{ + return tdav_consumer_audio_set(TDAV_CONSUMER_AUDIO(self), param); +} + +static int tdav_consumer_wasapi_prepare(tmedia_consumer_t* self, const tmedia_codec_t* codec) +{ + tdav_consumer_wasapi_t* wasapi = (tdav_consumer_wasapi_t*)self; + + if (!wasapi || !codec || !wasapi->AudioRender) { + WASAPI_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + TMEDIA_CONSUMER(wasapi)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_DECODING(codec); + TMEDIA_CONSUMER(wasapi)->audio.in.channels = TMEDIA_CODEC_CHANNELS_AUDIO_DECODING(codec); + TMEDIA_CONSUMER(wasapi)->audio.in.rate = TMEDIA_CODEC_RATE_DECODING(codec); + + WASAPI_DEBUG_INFO("in.channels=%d, out.channles=%d, in.rate=%d, out.rate=%d, ptime=%d", + TMEDIA_CONSUMER(wasapi)->audio.in.channels, + TMEDIA_CONSUMER(wasapi)->audio.out.channels, + TMEDIA_CONSUMER(wasapi)->audio.in.rate, + TMEDIA_CONSUMER(wasapi)->audio.out.rate, + TMEDIA_CONSUMER(wasapi)->audio.ptime); + + return wasapi->AudioRender->Prepare(wasapi, codec); +} + +static int tdav_consumer_wasapi_start(tmedia_consumer_t* self) +{ + tdav_consumer_wasapi_t* wasapi = (tdav_consumer_wasapi_t*)self; + + WASAPI_DEBUG_INFO("tdav_consumer_wasapi_start()"); + + if (!wasapi || !wasapi->AudioRender) { + WASAPI_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->AudioRender->Start(); +} + + +static int tdav_consumer_wasapi_consume(tmedia_consumer_t* self, const void* buffer, tsk_size_t size, const tsk_object_t* proto_hdr) +{ + tdav_consumer_wasapi_t* wasapi = (tdav_consumer_wasapi_t*)self; + if (!wasapi || !wasapi->AudioRender || !buffer || !size) { + WASAPI_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->AudioRender->Consume(buffer, size, proto_hdr); +} + +static int tdav_consumer_wasapi_pause(tmedia_consumer_t* self) +{ + tdav_consumer_wasapi_t* wasapi = (tdav_consumer_wasapi_t*)self; + + if (!wasapi || !wasapi->AudioRender){ + WASAPI_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->AudioRender->Pause(); +} + +static int tdav_consumer_wasapi_stop(tmedia_consumer_t* self) +{ + tdav_consumer_wasapi_t* wasapi = (tdav_consumer_wasapi_t*)self; + + WASAPI_DEBUG_INFO("tdav_consumer_wasapi_stop()"); + + if (!wasapi || !wasapi->AudioRender) { + WASAPI_DEBUG_ERROR("Invalid parameter"); + return -1; + } + + return wasapi->AudioRender->Stop(); +} + + + + + + + +Doubango::VoIP::AudioRender::AudioRender() + : m_pDevice(nullptr) + , m_hMutex(nullptr) + , m_pClient(nullptr) + , m_hEvent(nullptr) + , m_pAsyncThread(nullptr) + , m_pWrappedConsumer(nullptr) + , m_nBytesPerNotif(0) + , m_nSourceFrameSizeInBytes(0) + , m_nMaxFrameCount(0) + , m_nPtime(0) + , m_bStarted(false) + , m_bPrepared(false) + , m_bPaused(false) +{ + 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::AudioRender::~AudioRender() +{ + Stop(); + UnPrepare(); + + tsk_mutex_destroy(&m_hMutex); +} + +int Doubango::VoIP::AudioRender::Prepare(tdav_consumer_wasapi_t* wasapi, const tmedia_codec_t* codec) +{ + HRESULT hr = E_FAIL; + int ret = 0; + WAVEFORMATEX wfx = {0}; + AudioClientProperties properties = {0}; + LPCWSTR pwstrRenderId = nullptr; + + #define WASAPI_SET_ERROR(code) ret = (code); goto bail; + + tsk_mutex_lock(m_hMutex); + + if (m_bPrepared) { + WASAPI_DEBUG_INFO("Already prepared"); + goto bail; + } + + if (!wasapi || !codec) { + WASAPI_DEBUG_ERROR("Invalid parameter"); + WASAPI_SET_ERROR(-1); + } + + if (m_pDevice || m_pClient) { + WASAPI_DEBUG_ERROR("consumer already prepared"); + WASAPI_SET_ERROR(-2); + } + + pwstrRenderId = GetDefaultAudioRenderId(AudioDeviceRole::Communications); + + if (NULL == pwstrRenderId) { + tdav_win32_print_error("GetDefaultAudioRenderId", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-3); + } + + hr = ActivateAudioInterface(pwstrRenderId, __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_CONSUMER(wasapi)->audio.in.channels; + wfx.nSamplesPerSec = TMEDIA_CONSUMER(wasapi)->audio.in.rate; + wfx.wBitsPerSample = TMEDIA_CONSUMER(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.nSamplesPerSec = pwfxClosestMatch->nSamplesPerSec; + wfx.nChannels = pwfxClosestMatch->nChannels; +#if 0 + wfx.wBitsPerSample = pwfxClosestMatch->wBitsPerSample; +#endif + wfx.nBlockAlign = wfx.nChannels * (wfx.wBitsPerSample / 8); + wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign; + // Request resampler + TMEDIA_CONSUMER(wasapi)->audio.out.rate = (uint32_t)wfx.nSamplesPerSec; + TMEDIA_CONSUMER(wasapi)->audio.bits_per_sample = (uint8_t)wfx.wBitsPerSample; + TMEDIA_CONSUMER(wasapi)->audio.out.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_CONSUMER(wasapi)->audio.ptime) / 1000); + + // Initialize + hr = m_pDevice->Initialize( + AUDCLNT_SHAREMODE_SHARED, + AUDCLNT_STREAMFLAGS_EVENTCALLBACK, + WASAPI_MILLIS_TO_100NS(TDAV_WASAPI_CONSUMER_NOTIF_POS_COUNT * TMEDIA_CONSUMER(wasapi)->audio.ptime), + 0, + &wfx, + NULL); + if (!SUCCEEDED(hr)){ + tdav_win32_print_error("#WASAPI: Render::Initialize", 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); + } + hr = m_pDevice->GetBufferSize(&m_nMaxFrameCount); + if (!SUCCEEDED(hr)) { + tdav_win32_print_error("GetBufferSize", hr); + WASAPI_SET_ERROR(-10); + } + + WASAPI_DEBUG_INFO("#WASAPI (Playback): BufferSize=%u, DefaultDevicePeriod=%lld ms, MinimumDevicePeriod=%lldms", m_nMaxFrameCount, WASAPI_100NS_TO_MILLIS(DefaultDevicePeriod), WASAPI_100NS_TO_MILLIS(MinimumDevicePeriod)); + + if (!m_hEvent) { + if (!(m_hEvent = CreateEventEx(NULL, NULL, 0, EVENT_MODIFY_STATE | SYNCHRONIZE))) { + tdav_win32_print_error("CreateEventEx(EVENT_MODIFY_STATE | SYNCHRONIZE)", HRESULT_FROM_WIN32(GetLastError())); + WASAPI_SET_ERROR(-11); + } + } + + hr = m_pDevice->SetEventHandle(m_hEvent); + if (!SUCCEEDED(hr)) { + tdav_win32_print_error("SetEventHandle", hr); + WASAPI_SET_ERROR(-12); + } + + hr = m_pDevice->GetService(__uuidof(IAudioRenderClient), (void**)&m_pClient); + if (!SUCCEEDED(hr)) { + tdav_win32_print_error("GetService", hr); + WASAPI_SET_ERROR(-14); + } + + m_ring.chunck.size = (TMEDIA_CONSUMER(wasapi)->audio.ptime * TMEDIA_CONSUMER(wasapi)->audio.out.rate * ((TMEDIA_CONSUMER(wasapi)->audio.bits_per_sample >> 3) * TMEDIA_CONSUMER(wasapi)->audio.out.channels)) / 1000; + m_ring.size = TDAV_WASAPI_CONSUMER_NOTIF_POS_COUNT * m_ring.chunck.size; + if (!(m_ring.chunck.buffer = tsk_realloc(m_ring.chunck.buffer, m_ring.chunck.size))) { + m_ring.size = 0; + WASAPI_DEBUG_ERROR("Failed to allocate new buffer"); + WASAPI_SET_ERROR(-15); + } + 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); + } + +bail: + if (pwstrRenderId) { + CoTaskMemFree((LPVOID)pwstrRenderId); + } + if (ret != 0) { + UnPrepare(); + } + + if ((m_bPrepared = (ret == 0))) { + m_pWrappedConsumer = wasapi; + m_nPtime = TMEDIA_CONSUMER(wasapi)->audio.ptime; + } + + tsk_mutex_unlock(m_hMutex); + + return ret; +} + +int Doubango::VoIP::AudioRender::UnPrepare() +{ + tsk_mutex_lock(m_hMutex); + + if (m_hEvent) { + CloseHandle(m_hEvent), m_hEvent = 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_pWrappedConsumer = nullptr; + + m_bPrepared = false; + + tsk_mutex_unlock(m_hMutex); + + return 0; +} + +int Doubango::VoIP::AudioRender::Start() +{ + tsk_mutex_lock(m_hMutex); + + if (m_bStarted) { + WASAPI_DEBUG_INFO("already started"); + goto bail; + } + if (!m_bPrepared) { + WASAPI_DEBUG_ERROR("not prepared"); + goto bail; + } + + m_pAsyncThread = Windows::System::Threading::ThreadPool::RunAsync(ref new Windows::System::Threading::WorkItemHandler(this, &Doubango::VoIP::AudioRender::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::AudioRender::Stop() +{ + m_bStarted = false; + + tsk_mutex_lock(m_hMutex); + + if (m_hEvent) { + SetEvent(m_hEvent); + } + + 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::AudioRender::Pause() +{ + m_bPaused = true; + + return 0; +} + +int Doubango::VoIP::AudioRender::Consume(const void* buffer, tsk_size_t size, const tsk_object_t* proto_hdr) +{ + int ret; + // tsk_mutex_lock(m_hMutex); + ret = tdav_consumer_audio_put(TDAV_CONSUMER_AUDIO(m_pWrappedConsumer), buffer, size, proto_hdr); // thread-safe + // tsk_mutex_unlock(m_hMutex); + return ret; +} + +tsk_size_t Doubango::VoIP::AudioRender::Read(void* data, tsk_size_t size) +{ + tsk_ssize_t retSize = 0, availSize; + + m_ring.leftBytes += size; + while (m_ring.leftBytes >= (tsk_ssize_t)m_ring.chunck.size) { + m_ring.leftBytes -= m_ring.chunck.size; + retSize = (tsk_ssize_t)tdav_consumer_audio_get(TDAV_CONSUMER_AUDIO(m_pWrappedConsumer), m_ring.chunck.buffer, m_ring.chunck.size); + tdav_consumer_audio_tick(TDAV_CONSUMER_AUDIO(m_pWrappedConsumer)); + speex_buffer_write(m_ring.buffer, m_ring.chunck.buffer, retSize); + } + // IMPORTANT: looks like there is a bug in speex: continously trying to read more than avail + // many times can corrupt the buffer. At least on OS X 1.5 +#if 0 + if (speex_buffer_get_available(m_ring.buffer) >= (tsk_ssize_t)size) { + retSize = speex_buffer_read(m_ring.buffer, data, size); + } + else{ + memset(data, 0, size); + } +#else + availSize = speex_buffer_get_available(m_ring.buffer); + if (availSize == 0) { + memset(data, 0, size); + } + else { + retSize = speex_buffer_read(m_ring.buffer, data, min(availSize, (tsk_ssize_t)size)); + if (availSize < (tsk_ssize_t)size) { + memset(((uint8_t*)data) + availSize, 0, (size - availSize)); + } + } + +#endif + + return retSize; +} + +void Doubango::VoIP::AudioRender::AsyncThread(Windows::Foundation::IAsyncAction^ operation) +{ + HRESULT hr = S_OK; + INT32 nFramesToWrite; + UINT32 nPadding, nRead; + DWORD retval; + + WASAPI_DEBUG_INFO("#WASAPI: __playback_thread -- START"); + + #define BREAK_WHILE tsk_mutex_unlock(m_hMutex); break; + + while (m_bStarted && SUCCEEDED(hr)) { + retval = WaitForSingleObjectEx(m_hEvent, /*m_nPtime*/INFINITE, FALSE); + + tsk_mutex_lock(m_hMutex); + + if (!m_bStarted) { + BREAK_WHILE; + } + + if (retval == WAIT_OBJECT_0) { + hr = m_pDevice->GetCurrentPadding(&nPadding); + if (SUCCEEDED(hr)) { + BYTE* pRenderBuffer = NULL; + nFramesToWrite = m_nMaxFrameCount - nPadding; + + if (nFramesToWrite > 0) { + hr = m_pClient->GetBuffer(nFramesToWrite, &pRenderBuffer); + if (SUCCEEDED(hr)) { + nRead = Read(pRenderBuffer, (nFramesToWrite * m_nSourceFrameSizeInBytes)); + + // Release the buffer + hr = m_pClient->ReleaseBuffer(nFramesToWrite, (nRead == 0) ? AUDCLNT_BUFFERFLAGS_SILENT : 0); + } + } + } + } + + tsk_mutex_unlock(m_hMutex); + }// end-of-while + + if (!SUCCEEDED(hr)) { + tdav_win32_print_error("AsyncThread: ", hr); + } + + + WASAPI_DEBUG_INFO("__playback_thread(%s) -- STOP", (SUCCEEDED(hr) && retval == WAIT_OBJECT_0) ? "OK" : "NOK"); +} + + + + + + + +// +// WaveAPI consumer object definition +// +/* constructor */ +static tsk_object_t* tdav_consumer_wasapi_ctor(tsk_object_t * self, va_list * app) +{ + tdav_consumer_wasapi_t *wasapi = (tdav_consumer_wasapi_t*)self; + if (wasapi) { + /* init base */ + tdav_consumer_audio_init(TDAV_CONSUMER_AUDIO(wasapi)); + /* init self */ + + wasapi->AudioRender = ref new Doubango::VoIP::AudioRender(); + } + return self; +} +/* destructor */ +static tsk_object_t* tdav_consumer_wasapi_dtor(tsk_object_t * self) +{ + tdav_consumer_wasapi_t *wasapi = (tdav_consumer_wasapi_t*)self; + if (wasapi) { + /* stop */ + tdav_consumer_wasapi_stop((tmedia_consumer_t*)self); + /* deinit base */ + tdav_consumer_audio_deinit(TDAV_CONSUMER_AUDIO(wasapi)); + /* deinit self */ + if (wasapi->AudioRender) { + delete wasapi->AudioRender; + wasapi->AudioRender = nullptr; + } + } + + return self; +} +/* object definition */ +static const tsk_object_def_t tdav_consumer_wasapi_def_s = +{ + sizeof(tdav_consumer_wasapi_t), + tdav_consumer_wasapi_ctor, + tdav_consumer_wasapi_dtor, + tdav_consumer_audio_cmp, +}; +/* plugin definition*/ +static const tmedia_consumer_plugin_def_t tdav_consumer_wasapi_plugin_def_s = +{ + &tdav_consumer_wasapi_def_s, + + tmedia_audio, + "Microsoft Windows Audio Session API (WASAPI) consumer", + + tdav_consumer_wasapi_set, + tdav_consumer_wasapi_prepare, + tdav_consumer_wasapi_start, + tdav_consumer_wasapi_consume, + tdav_consumer_wasapi_pause, + tdav_consumer_wasapi_stop +}; +const tmedia_consumer_plugin_def_t *tdav_consumer_wasapi_plugin_def_t = &tdav_consumer_wasapi_plugin_def_s; + + + + +#endif /* HAVE_WASAPI */ |