HRESULT AudioDevice::openForPlayback()
{
HRESULT hr;
hr = openAudioDevice();
return hr;
}
static void* runThread(void * arg)
{
inputThread_t *sphinxThread = (inputThread_t*) arg;
// sphinx creates own thread for audio device
// sphinx thread shall inherit attributes of input thread
if(openAudioDevice(sphinxThread) != 0)
exit(-1);
PRINT_INFO("InputThread started.\n");
sphinxThread->running = 1;
sphinxThread->exitCode = 0;
unsigned int retries = 0;
while(sphinxThread->keepRunning) {
//EXEC RESTART_TIME_TAKING(inputExecutionTime);
sphinxThread->exitCode = record(sphinxThread);
//EXEC STOP_TIME_TAKING(inputExecutionTime);
// if decoding failed retry MAX_RETRIES times
if(sphinxThread->exitCode != 0)
++retries;
else
retries = 0;
//terminate input thread, beacause max number of retries reached
if(retries >= MAX_RETRIES) {
PRINT_ERR("Recording failed. Retries: %d. Aborting.\n", retries);
break;
}
}
closeAudioDevice(sphinxThread);
sphinxThread->running = 0;
PRINT_INFO("InputThread terminated.\n");
pthread_exit(&sphinxThread->exitCode);
}
HRESULT AudioDevice::openForCapture()
{
HRESULT hr;
WAVEFORMATEX* pwfx;
UINT32 bufferFrameCount;
if (m_pCaptureClient != NULL)
{
printf("Failed to open for capture: already opened\n");
return E_FAIL;
}
hr = openAudioDevice();
if (hr == S_OK)
{
hr = m_pAudioClient->GetMixFormat(&pwfx);
if (hr != S_OK)
{
printf("Failed to start capture: cannot get mix format, 0x%08x\n", hr);
}
else
{
if (pwfx->wFormatTag != WAVE_FORMAT_EXTENSIBLE)
{
printf("Failed to start capture: mix format not of extensible type\n");
}
else
{
m_audioFormat = *(WAVEFORMATEXTENSIBLE*)pwfx;
hr = m_pAudioClient->Initialize(
AUDCLNT_SHAREMODE_SHARED,
AUDCLNT_STREAMFLAGS_LOOPBACK,
m_msBuffersize * 1000 * 10,
0,
pwfx,
NULL);
if (hr != S_OK)
{
printf("Failed to start capture: cannot initialize, 0x%08x\n", hr);
}
else
{
hr = m_pAudioClient->GetBufferSize(&bufferFrameCount);
if (hr != S_OK)
{
printf("Failed to start capture: cannot get buffer size, 0x%08x\n", hr);
}
else
{
printf("Allocated capture buffer size in samples:%d\n", bufferFrameCount);
hr = m_pAudioClient->GetService(__uuidof(IAudioCaptureClient), (void**)&m_pCaptureClient);
if (hr != S_OK)
{
printf("Failed to start capture: cannot open capture client, 0x%08x\n", hr);
}
}
}
}
}
if (hr != S_OK)
{
m_pAudioClient->Release();
m_pAudioClient = NULL;
}
}
return hr;
}
