#include "WCMRPortAudioDeviceManager.h"
#include "MiscUtils/safe_delete.h"
#include "UMicroseconds.h"
+#include <iostream>
#include <sstream>
#include <algorithm>
+#include <list>
using namespace wvNS;
#include "IncludeWindows.h"
-#include <MMSystem.h>
+#include <mmsystem.h>
#include "pa_asio.h"
#include "asio.h"
+#define PROPERTY_CHANGE_SLEEP_TIME_MILLISECONDS 200
+#define DEVICE_INFO_UPDATE_SLEEP_TIME_MILLISECONDS 500
+#define PROPERTY_CHANGE_TIMEOUT_SECONDS 2
+#define PROPERTY_CHANGE_RETRIES 3
+
///< Supported Sample rates
static const double gAllSampleRates[] =
{
- 44100.0, 48000.0, 88200.0, 96000.0, -1 /* negative terminated list */
+ 44100.0, 48000.0, 88200.0, 96000.0, 176400.0, 192000.0 -1 /* negative terminated list */
};
//update name.
m_DeviceName = pDeviceInfo->name;
- std::cout << "API::Device " << m_DeviceName << " Getting device info " << std::endl;
-
//following parameters are needed opening test stream and for sample rates validation
PaStreamParameters inputParameters, outputParameters;
PaStreamParameters *pInS = NULL, *pOutS = NULL;
inputParameters.device = m_DeviceID;
- inputParameters.channelCount = std::min<int>(2, pDeviceInfo->maxInputChannels);
+ inputParameters.channelCount = pDeviceInfo->maxInputChannels;
inputParameters.sampleFormat = paFloat32 | paNonInterleaved;
inputParameters.suggestedLatency = 0; /* ignored by Pa_IsFormatSupported() */
inputParameters.hostApiSpecificStreamInfo = 0;
pInS = &inputParameters;
outputParameters.device = m_DeviceID;
- outputParameters.channelCount = std::min<int>(2, pDeviceInfo->maxOutputChannels);
+ outputParameters.channelCount = pDeviceInfo->maxOutputChannels;
outputParameters.sampleFormat = paFloat32;
outputParameters.suggestedLatency = 0; /* ignored by Pa_IsFormatSupported() */
outputParameters.hostApiSpecificStreamInfo = 0;
if (outputParameters.channelCount)
pOutS = &outputParameters;
- std::cout << "API::Device" << m_DeviceName << " Updating sample rates " << std::endl;
////////////////////////////////////////////////////////////////////////////////////
//update list of supported SRs...
m_SamplingRates.clear();
}
}
- std::cout << "API::Device" << m_DeviceName << " Updating buffer sizes" << std::endl;
///////////////////////////////////////////////////////////////////////////////////
//update buffer sizes
m_BufferSizes.clear();
bool useDefaultBuffers = true;
- PaError paErr = paNoError;
-
- //sometimes devices change buffer size if sample rate changes
- //it updates buffer size during stream opening
- //we need to find out how device would behave with current sample rate
- //try opening test stream to load device driver for current sample rate and buffer size
- //(skip this step if the device is Active)
- if ( !Active() )
- {
- if (paNoError != testStateValidness(m_CurrentSamplingRate, m_CurrentBufferSize) )
- {
- //buffer size did change
- Pa_Terminate();
- Pa_Initialize();
-
- // test validness with current sample rate and device prefered buffer size
- paErr = testStateValidness(m_CurrentSamplingRate, 0);
- }
- }
- if (paErr == paNoError)
- {
- // In ASIO Windows, the buffer size is set from the sound device manufacturer's control panel
- long minSize, maxSize, preferredSize, granularity;
- paErr = PaAsio_GetAvailableBufferSizes(m_DeviceID, &minSize, &maxSize, &preferredSize, &granularity);
+ // In ASIO Windows, the buffer size is set from the sound device manufacturer's control panel
+ long minSize, maxSize, preferredSize, granularity;
+ PaError err = PaAsio_GetAvailableBufferSizes(m_DeviceID, &minSize, &maxSize, &preferredSize, &granularity);
- if (paErr == paNoError)
- {
- std::cout << "API::Device " << m_DeviceName << " Buffers: " << minSize << " " << maxSize << " " << preferredSize << std::endl;
+ if (err == paNoError)
+ {
+ std::cout << "API::Device " << m_DeviceName << " Buffers: " << minSize << " " << maxSize << " " << preferredSize << std::endl;
- m_BufferSizes.push_back (preferredSize);
- useDefaultBuffers = false;
- }
- else
- {
- std::cout << "API::Device" << m_DeviceName << " Preffered buffer size is not supported" << std::endl;
- }
+ m_BufferSizes.push_back (preferredSize);
+ useDefaultBuffers = false;
}
else
{
- std::cout << "API::Device" << m_DeviceName << " Device does not start with sample rate: "<< m_CurrentSamplingRate << " and default buffer size" << std::endl;
+ std::cout << "API::Device" << m_DeviceName << " Preffered buffer size is not supported" << std::endl;
}
-
+
if (useDefaultBuffers)
{
std::cout << "API::Device" << m_DeviceName << " Using default buffer sizes " <<std::endl;
m_InputChannels.clear();
for (int channel = 0; channel < maxInputChannels; channel++)
{
+ const char* channelName[32]; // 32 is max leth declared by PortAudio for this operation
std::stringstream chNameStream;
- //A better implementation would be to retrieve the names from ASIO or CoreAudio interfaces
- chNameStream << "Input " << (channel+1);
+
+ PaError error = PaAsio_GetInputChannelName(m_DeviceID, channel, channelName);
+
+ chNameStream << (channel+1) << " - ";
+
+ if (error == paNoError)
+ {
+ chNameStream << *channelName;
+ }
+ else
+ {
+ chNameStream << "Input " << (channel+1);
+ }
+
m_InputChannels.push_back (chNameStream.str());
}
m_OutputChannels.clear();
for (int channel = 0; channel < maxOutputChannels; channel++)
{
+ const char* channelName[32]; // 32 is max leth declared by PortAudio for this operation
std::stringstream chNameStream;
- //A better implementation would be to retrieve the names from ASIO or CoreAudio interfaces
- chNameStream << "Output " << (channel+1);
+
+ PaError error = PaAsio_GetOutputChannelName(m_DeviceID, channel, channelName);
+
+ chNameStream << (channel+1) << " - ";
+
+ if (error == paNoError)
+ {
+ chNameStream << *channelName;
+ }
+ else
+ {
+ chNameStream << "Output " << (channel+1);
+ }
+
m_OutputChannels.push_back (chNameStream.str());
}
}
PaStreamParameters *pInS = NULL, *pOutS = NULL;
inputParameters.device = m_DeviceID;
- inputParameters.channelCount = std::min<int>(2, pDeviceInfo->maxInputChannels);
+ inputParameters.channelCount = pDeviceInfo->maxInputChannels;
inputParameters.sampleFormat = paFloat32 | paNonInterleaved;
- inputParameters.suggestedLatency = 0; /* ignored by Pa_IsFormatSupported() */
+ inputParameters.suggestedLatency = 0;
inputParameters.hostApiSpecificStreamInfo = 0;
if (inputParameters.channelCount)
pInS = &inputParameters;
outputParameters.device = m_DeviceID;
- outputParameters.channelCount = std::min<int>(2, pDeviceInfo->maxOutputChannels);
+ outputParameters.channelCount = pDeviceInfo->maxOutputChannels;
outputParameters.sampleFormat = paFloat32;
- outputParameters.suggestedLatency = 0; /* ignored by Pa_IsFormatSupported() */
+ outputParameters.suggestedLatency = 0;
outputParameters.hostApiSpecificStreamInfo = 0;
if (outputParameters.channelCount)
//it updates buffer size during stream opening
//we need to find out how device would behave with current sample rate
//try opening test stream to load device driver for current sample rate and buffer size
- paErr = Pa_OpenStream (&portAudioStream, pInS, pOutS, m_CurrentSamplingRate, m_CurrentBufferSize, paDitherOff, NULL, NULL);
+ paErr = Pa_OpenStream (&portAudioStream, pInS, pOutS, sampleRate, bufferSize, paDitherOff, NULL, NULL);
if (portAudioStream)
{
return (retVal);
}
- if (oldActive)
- {
- //Deactivate it for the change...
- SetActive (false);
- }
-
//make the change...
m_CurrentSamplingRate = newRate;
+ PaError paErr = PaAsio_SetStreamSampleRate (m_PortAudioStream, m_CurrentSamplingRate);
+ Pa_Sleep(PROPERTY_CHANGE_SLEEP_TIME_MILLISECONDS); // sleep some time to make sure the change has place
- // Before reactivating the device: opening stream we should try getting buffer size update from the device
- // because for new sampling rate some devices may change buffer size as well
- int oldBufferSize = m_CurrentBufferSize;
-
- retVal = ResetDevice();
-
- //reactivate it.
- if (oldActive && retVal == eNoErr)
+ if (paErr != paNoError)
{
- retVal = SetActive (true);
- }
+ std::cout << "Sample rate change failed: " << Pa_GetErrorText (paErr) << std::endl;
+ if (paErr == paUnanticipatedHostError)
+ std::cout << "Details: "<< Pa_GetLastHostErrorInfo ()->errorText << "; code: " << Pa_GetLastHostErrorInfo ()->errorCode << std::endl;
- if (retVal != eNoErr)
- {
- //revert changes if the device was not activated
- m_CurrentSamplingRate = oldRate;
- m_CurrentBufferSize = oldBufferSize;
- int bufferSize = m_CurrentBufferSize;
- m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::BufferSizeChanged, (void *)&bufferSize);
- retVal = eCommandLineParameter;
+ retVal = eWrongObjectState;
}
return (retVal);
if (oldSize == newSize)
return (retVal);
- //see if this is one of our supported rates...
- intIter = find(m_BufferSizes.begin(), m_BufferSizes.end(), newSize);
- if (intIter == m_BufferSizes.end())
- {
- //Can't change, perhaps use an "invalid param" type of error
- retVal = eCommandLineParameter;
- return (retVal);
- }
-
if (Streaming())
{
//Can't change, perhaps use an "in use" type of error
retVal = eGenericErr;
return (retVal);
}
+
+ std::cout << "Setting buffer: " << newSize << std::endl;
+
+ //see if this is one of our supported rates...
+ intIter = find(m_BufferSizes.begin(), m_BufferSizes.end(), newSize);
+ if (intIter == m_BufferSizes.end())
+ {
+ //Sample rate proposed by client is not supported any more
+ if (m_BufferSizes.size() == 1)
+ {
+ // we have only one aloved buffer size which is preffered by PA
+ // this is the only value which could be set
+ newSize = m_BufferSizes[0];
+ int bufferSize = newSize;
+ // notify client to update sample rate after us
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::BufferSizeChanged, (void *)&bufferSize);
+ return retVal;
+
+ } else {
+ // more then one buffer size value is available
+ //Can't change, perhaps use an "invalid param" type of error
+ retVal = eCommandLineParameter;
+ return (retVal);
+ }
+ }
if (oldActive)
{
// if device is not active activate it
if (!Active() )
{
+ std::list<long> buffersSizes;
+ buffersSizes.push_back(m_CurrentBufferSize);
+
+ long minSize, maxSize, preferredSize, granularity;
+ PaError paErr = PaAsio_GetAvailableBufferSizes(m_DeviceID, &minSize, &maxSize, &preferredSize, &granularity);
+
+ if (paErr == paNoError)
+ {
+ buffersSizes.push_front(preferredSize);
+ }
+
PaStreamParameters inputParameters, outputParameters;
PaStreamParameters *pInS = NULL, *pOutS = NULL;
if (outputParameters.channelCount)
pOutS = &outputParameters;
-
- std::cout << "API::Device" << m_DeviceName << " Opening device stream " << std::endl;
- std::cout << "Sample rate: " << m_CurrentSamplingRate << " buffer size: " << m_CurrentBufferSize << std::endl;
- paErr = Pa_OpenStream(&m_PortAudioStream,
- pInS,
- pOutS,
- m_CurrentSamplingRate,
- m_CurrentBufferSize,
- paDitherOff,
- WCMRPortAudioDevice::TheCallback,
- this);
+
+ // try opening stream with current buffer and the rest if not successful
+ std::list<long>::const_iterator bufferIter = buffersSizes.begin();
+ for (; bufferIter != buffersSizes.end(); ++bufferIter) {
+
+ std::cout << "API::Device" << m_DeviceName << " Opening device stream " << std::endl;
+ std::cout << "Sample rate: " << m_CurrentSamplingRate << " buffer size: " << *bufferIter << std::endl;
+ paErr = Pa_OpenStream(&m_PortAudioStream,
+ pInS,
+ pOutS,
+ m_CurrentSamplingRate,
+ m_CurrentBufferSize,
+ paDitherOff,
+ WCMRPortAudioDevice::TheCallback,
+ this);
+
+ if(paErr == paNoError)
+ {
+ break;
+ }
+
+ std::cout << "Cannot open streamm with buffer: "<< *bufferIter << " Error: " << Pa_GetErrorText (paErr) << std::endl;
+
+ if (paErr == paUnanticipatedHostError)
+ std::cout << "Error details: "<< Pa_GetLastHostErrorInfo ()->errorText << "; code: " << Pa_GetLastHostErrorInfo ()->errorCode << std::endl;
+ }
if(paErr == paNoError)
{
+ long minSize, maxSize, preferredSize, granularity;
+ PaError paErr = PaAsio_GetAvailableBufferSizes(m_DeviceID, &minSize, &maxSize, &preferredSize, &granularity);
+
+ if (paErr == paNoError && m_CurrentBufferSize != preferredSize)
+ {
+ m_CurrentBufferSize = preferredSize;
+ m_BufferSizes.clear();
+ m_BufferSizes.push_back(preferredSize);
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::BufferSizeChanged, (void *)&preferredSize);
+ }
+
m_DropsDetected = 0;
m_DropsReported = 0;
m_IgnoreThisDrop = true;
else
{
//failed, do not update device state
- std::cout << "Failed to open pa stream stream " << paErr << std::endl;
- DEBUG_MSG( "Failed to open pa stream stream " << paErr );
+ std::cout << "Failed to open pa stream: " << Pa_GetErrorText (paErr) << std::endl;
+ DEBUG_MSG( "Failed to open pa stream: " << Pa_GetErrorText (paErr) );
m_ConnectionStatus = DeviceErrors;
m_lastErr = eAsioFailed;
}
else
{
//failed, do not update device state
- std::cout << "Failed to close pa stream stream " << paErr << std::endl;
- DEBUG_MSG( "Failed to open pa stream stream " << paErr );
+ std::cout << "Failed to close pa stream stream " << Pa_GetErrorText (paErr) << std::endl;
+ DEBUG_MSG( "Failed to open pa stream stream " << Pa_GetErrorText (paErr) );
m_ConnectionStatus = DeviceErrors;
m_lastErr = eAsioFailed;
}
m_SampleCounter = 0;
std::cout << "API::Device" << m_DeviceName << " Starting device stream" << std::endl;
+
+ //get device info
+ const PaDeviceInfo *pDeviceInfo = Pa_GetDeviceInfo(m_DeviceID);
+
+ unsigned int inChannelCount = pDeviceInfo->maxInputChannels;
+ unsigned int outChannelCount = pDeviceInfo->maxOutputChannels;
+
paErr = Pa_StartStream( m_PortAudioStream );
if(paErr == paNoError)
{
// if the stream was started successfully
m_IsStreaming = true;
+ std::cout << "API::Device" << m_DeviceName << " Device is streaming" << std::endl;
}
else
{
- std::cout << "Failed to start PA stream: " << paErr << std::endl;
- DEBUG_MSG( "Failed to start PA stream: " << paErr );
+ std::cout << "Failed to start PA stream: " << Pa_GetErrorText (paErr) << std::endl;
+ DEBUG_MSG( "Failed to start PA stream: " << Pa_GetErrorText (paErr) );
m_lastErr = eGenericErr;
}
}
}
else
{
- std::cout << "Failed to stop PA stream: " << paErr << std::endl;
- DEBUG_MSG( "Failed to stop PA stream " << paErr );
+ std::cout << "Failed to stop PA stream: " << Pa_GetErrorText (paErr) << std::endl;
+ DEBUG_MSG( "Failed to stop PA stream " << Pa_GetErrorText (paErr) );
m_lastErr = eGenericErr;
}
}
{
std::cout << "API::Device" << m_DeviceName << "Reseting device" << std::endl;
+ PaError paErr = paNoError;
+
// Keep device sates
bool wasStreaming = Streaming();
bool wasActive = Active();
- // Notify the Application about reset
- m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::RequestReset);
-
// Reset the device
stopStreaming();
deactivateDevice();
- // Reinitialize PA
- Pa_Terminate();
- Pa_Initialize();
-
- updateDeviceInfo();
-
// Cache device buffer size as it might be changed during reset
int oldBufferSize = m_CurrentBufferSize;
- // In ASIO Windows, the buffer size is set from the sound device manufacturer's control panel
- // Backend should always use preffered buffer size value in this case
- long minSize, maxSize, preferredSize, granularity;
- PaError paErr = PaAsio_GetAvailableBufferSizes(m_DeviceID, &minSize, &maxSize, &preferredSize, &granularity);
-
- if (paErr == paNoError)
+ // Now, validate the state and update device info if required
+ unsigned int retry = PROPERTY_CHANGE_RETRIES;
+ while (retry-- )
{
+ // Reinitialize PA
+ Pa_Terminate();
+ Pa_Initialize();
+
+ std::cout << "Updating device state... " << std::endl;
+ // update device info
+ updateDeviceInfo();
+
+ // take up buffers
+ long minSize, maxSize, preferredSize, granularity;
+ PaError paErr = PaAsio_GetAvailableBufferSizes(m_DeviceID, &minSize, &maxSize, &preferredSize, &granularity);
+
+ if (paErr != paNoError)
+ {
+ continue;
+ }
m_CurrentBufferSize = preferredSize;
- }
- else
- {
- // if we can't get device buffer sizes, use the first one among supported
- if (m_BufferSizes.size() != 0)
- m_CurrentBufferSize = m_BufferSizes.front();
+
+ paErr = testStateValidness(m_CurrentSamplingRate, m_CurrentBufferSize);
+ if (paNoError == paErr)
+ {
+ std::cout << "Device state is valid" << std::endl;
+ break;
+ }
+
+ std::cout << "Cannot start with current state: sr: " << m_CurrentSamplingRate << " bs:" << m_CurrentBufferSize \
+ << "\nReason: " << Pa_GetErrorText (paErr) << std::endl;
+ if (paErr == paUnanticipatedHostError)
+ std::cout << "Details: "<< Pa_GetLastHostErrorInfo ()->errorText << "; code: " << Pa_GetLastHostErrorInfo ()->errorCode << std::endl;
+
+ std::cout << "Will try again in " << DEVICE_INFO_UPDATE_SLEEP_TIME_MILLISECONDS << "msec" << std::endl;
+
+ Pa_Sleep(DEVICE_INFO_UPDATE_SLEEP_TIME_MILLISECONDS);
}
- // Notify the Application about device setting changes
- if (oldBufferSize != m_CurrentBufferSize)
+ if (paErr == paNoError)
{
- std::cout << "API::Device" << m_DeviceName << " buffer size changed" << std::endl;
- int bufferSize = m_CurrentBufferSize;
- m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::BufferSizeChanged, (void *)&bufferSize);
- }
+ // Notify the Application about device setting changes
+ if (oldBufferSize != m_CurrentBufferSize)
+ {
+ std::cout << "API::Device" << m_DeviceName << " buffer size changed" << std::endl;
+ int bufferSize = m_CurrentBufferSize;
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::BufferSizeChanged, (void *)&bufferSize);
+ }
- // Activate the device if it was active before
- if (wasActive)
- activateDevice();
+ // Activate the device if it was active before
+ if (wasActive)
+ activateDevice();
- // Resume streaming if the device was streaming before
- if(wasStreaming)
- {
- // Notify the Application to prepare for the stream start
- m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::DeviceStartsStreaming);
- startStreaming();
+ // Resume streaming if the device was streaming before
+ if(wasStreaming && m_lastErr == eNoErr && m_ConnectionStatus == DeviceAvailable)
+ {
+ // Notify the Application to prepare for the stream start
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::DeviceStartsStreaming);
+ startStreaming();
+ }
+ } else {
+ m_ConnectionStatus = DeviceErrors;
+ m_lastErr = eWrongObjectState;
}
if (callerIsWaiting)
}
-#ifdef _WINDOWS
+#ifdef PLATFORM_WINDOWS
long WCMRPortAudioDevice::StaticASIOMessageHook (void *pRefCon, long selector, long value, void* message, double* opt)
{
{
switch(selector)
{
+ case kAsioResyncRequest:
+ m_ResyncRequested++;
+ std::cout << "\t\t\tWCMRPortAudioDevice::ASIOMessageHook -- kAsioResyncRequest" << std::endl;
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::RequestReset);
+ break;
+
+ case kAsioLatenciesChanged:
+ m_BufferSizeChangeRequested++;
+ std::cout << "\t\t\tWCMRPortAudioDevice::ASIOMessageHook -- kAsioLatenciesChanged" << std::endl;
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::RequestReset);
+ break;
+
case kAsioBufferSizeChange:
m_BufferSizeChangeRequested++;
std::cout << "\t\t\tWCMRPortAudioDevice::ASIOMessageHook -- m_BufferSizeChangeRequested" << std::endl;
- SetEvent(m_hBufferSizeChangedEvent);
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::RequestReset);
break;
case kAsioResetRequest:
m_ResetRequested++;
std::cout << "\t\t\tWCMRPortAudioDevice::ASIOMessageHook -- kAsioResetRequest" << std::endl;
- SetEvent(m_hResetFromDevRequestedEvent);
- break;
-
- case kAsioResyncRequest:
- std::cout << "\t\t\tWCMRPortAudioDevice::ASIOMessageHook -- kAsioResyncRequest" << std::endl;
- m_ResyncRequested++;
- break;
-
- case kAsioLatenciesChanged:
- std::cout << "\t\t\tWCMRPortAudioDevice::ASIOMessageHook -- kAsioLatenciesChanged" << std::endl;
- SetEvent(m_hBufferSizeChangedEvent);
- m_BufferSizeChangeRequested++;
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::RequestReset);
break;
case kAsioOverload:
+ m_DropsDetected++;
std::cout << "\t\t\tWCMRPortAudioDevice::ASIOMessageHook -- kAsioOverload" << std::endl;
- m_DropsDetected++;
+ m_pMyManager->NotifyClient (WCMRAudioDeviceManagerClient::Dropout);
break;
}
return 0;
if (Active())
{
-#ifdef _WINDOWS
+#ifdef PLATFORM_WINDOWS
if(Pa_GetHostApiInfo(Pa_GetDeviceInfo(m_DeviceID)->hostApi)->type == paASIO)
{
// stop and deactivate the device
WTErr WCMRPortAudioDeviceManager::getDeviceAvailableSampleRates(DeviceID deviceId, std::vector<int>& sampleRates)
{
+ WTErr retVal = eNoErr;
+
sampleRates.clear();
const PaDeviceInfo *pPaDeviceInfo = Pa_GetDeviceInfo(deviceId);
sampleRates.push_back ((int)gAllSampleRates[sr]);
}
}
+
+ return retVal;
}
}
+WTErr WCMRPortAudioDeviceManager::getDeviceSampleRatesImpl(const std::string & deviceName, std::vector<int>& sampleRates) const
+{
+ sampleRates.clear ();
+
+ WTErr retVal = eNoErr;
+
+ if (m_CurrentDevice && deviceName == m_CurrentDevice->DeviceName() )
+ {
+ sampleRates.assign(m_CurrentDevice->SamplingRates().begin(), m_CurrentDevice->SamplingRates().end() );
+ return retVal;
+ }
+
+ DeviceInfo devInfo;
+ retVal = GetDeviceInfoByName(deviceName, devInfo);
+
+ if (eNoErr == retVal)
+ {
+ sampleRates.assign(devInfo.m_AvailableSampleRates.begin(), devInfo.m_AvailableSampleRates.end() );
+ }
+ else
+ {
+ std::cout << "API::PortAudioDeviceManager::GetSampleRates: Device not found: "<< deviceName << std::endl;
+ }
+
+ return retVal;
+}
+
+
WTErr WCMRPortAudioDeviceManager::getDeviceBufferSizesImpl(const std::string & deviceName, std::vector<int>& buffers) const
{
WTErr retVal = eNoErr;
- std::cout << "API::PortAudioDeviceManager::GetBufferSizes: getting buffer size for device: "<< deviceName << std::endl;
+
+ buffers.clear();
+
//first check if the request has been made for None device
if (deviceName == m_NoneDevice->DeviceName() )
{
- buffers = m_NoneDevice->BufferSizes();
+ buffers.assign(m_NoneDevice->BufferSizes().begin(), m_NoneDevice->BufferSizes().end() );
return retVal;
}
-
- //if we have current device initialized and it's PA device, reset it
- //this procedure will reset PA corrently and update info for all PA devices as well
- bool paLocalInit = false;
- WCMRPortAudioDevice* portaudioDevice = dynamic_cast<WCMRPortAudioDevice*>(m_CurrentDevice);
- if (portaudioDevice)
- {
- portaudioDevice->ResetDevice();
- }
- else
+ if (m_CurrentDevice && deviceName == m_CurrentDevice->DeviceName() )
{
- //initialize PA to get buffers for the device
- Pa_Initialize();
- paLocalInit = true;
+ buffers.assign(m_CurrentDevice->BufferSizes().begin(), m_CurrentDevice->BufferSizes().end() );
+ return retVal;
}
+ Pa_Initialize();
+
DeviceInfo devInfo;
retVal = GetDeviceInfoByName(deviceName, devInfo);
else
{
retVal = eAsioFailed;
- std::cout << "API::PortAudioDeviceManager::GetBufferSizes: error: " << paErr << " getting buffer size fo device: "<< deviceName << std::endl;
+ std::cout << "API::PortAudioDeviceManager::GetBufferSizes: error: " << Pa_GetErrorText (paErr) << " getting buffer sizes for device: "<< deviceName << std::endl;
}
}
else
std::cout << "API::PortAudioDeviceManager::GetBufferSizes: Device not found: "<< deviceName << std::endl;
}
- //deinitialize PA now
- if (paLocalInit)
- Pa_Terminate();
+ Pa_Terminate();
return retVal;
}
projects / ardour.git / blobdiff