void CAESinkALSA::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
/* ensure that ALSA has been initialized */
snd_lib_error_set_handler(sndLibErrorHandler);
if(!snd_config || force)
{
if(force)
snd_config_update_free_global();
snd_config_update();
}
snd_config_t *config;
snd_config_copy(&config, snd_config);
/* Always enumerate the default device.
* Note: If "default" is a stereo device, EnumerateDevice()
* will automatically add "@" instead to enable surroundXX mangling.
* We don't want to do that if "default" can handle multichannel
* itself (e.g. in case of a pulseaudio server). */
EnumerateDevice(list, "default", "", config);
void **hints;
if (snd_device_name_hint(-1, "pcm", &hints) < 0)
{
CLog::Log(LOGINFO, "CAESinkALSA - Unable to get a list of devices");
return;
}
std::string defaultDescription;
for (void** hint = hints; *hint != NULL; ++hint)
{
char *io = snd_device_name_get_hint(*hint, "IOID");
char *name = snd_device_name_get_hint(*hint, "NAME");
char *desc = snd_device_name_get_hint(*hint, "DESC");
if ((!io || strcmp(io, "Output") == 0) && name
&& strcmp(name, "null") != 0)
{
std::string baseName = std::string(name);
baseName = baseName.substr(0, baseName.find(':'));
if (strcmp(name, "default") == 0)
{
/* added already, but lets get the description if we have one */
if (desc)
defaultDescription = desc;
}
else if (baseName == "front")
{
/* Enumerate using the surroundXX mangling */
/* do not enumerate basic "front", it is already handled
* by the default "@" entry added in the very beginning */
if (strcmp(name, "front") != 0)
EnumerateDevice(list, std::string("@") + (name+5), desc ? desc : name, config);
}
/* Do not enumerate "default", it is already enumerated above. */
/* Do not enumerate the sysdefault or surroundXX devices, those are
* always accompanied with a "front" device and it is handled above
* as "@". The below devices will be automatically used if available
* for a "@" device. */
/* Ubuntu has patched their alsa-lib so that "defaults.namehint.extended"
* defaults to "on" instead of upstream "off", causing lots of unwanted
* extra devices (many of which are not actually routed properly) to be
* found by the enumeration process. Skip them as well ("hw", "dmix",
* "plughw", "dsnoop"). */
else if (baseName != "default"
&& baseName != "sysdefault"
&& baseName != "surround40"
&& baseName != "surround41"
&& baseName != "surround50"
&& baseName != "surround51"
&& baseName != "surround71"
&& baseName != "hw"
&& baseName != "dmix"
&& baseName != "plughw"
&& baseName != "dsnoop")
{
EnumerateDevice(list, name, desc ? desc : name, config);
}
}
free(io);
free(name);
free(desc);
}
snd_device_name_free_hint(hints);
/* set the displayname for default device */
if (!list.empty() && list[0].m_deviceName == "default")
{
/* If we have one from a hint (DESC), use it */
if (!defaultDescription.empty())
list[0].m_displayName = defaultDescription;
/* Otherwise use the discovered name or (unlikely) "Default" */
else if (list[0].m_displayName.empty())
list[0].m_displayName = "Default";
}
/* lets check uniqueness, we may need to append DEV or CARD to DisplayName */
/* If even a single device of card/dev X clashes with Y, add suffixes to
* all devices of both them, for clarity. */
/* clashing card names, e.g. "NVidia", "NVidia_2" */
std::set<std::string> cardsToAppend;
/* clashing basename + cardname combinations, e.g. ("hdmi","Nvidia") */
std::set<std::pair<std::string, std::string> > devsToAppend;
for (AEDeviceInfoList::iterator it1 = list.begin(); it1 != list.end(); ++it1)
{
for (AEDeviceInfoList::iterator it2 = it1+1; it2 != list.end(); ++it2)
{
if (it1->m_displayName == it2->m_displayName
&& it1->m_displayNameExtra == it2->m_displayNameExtra)
{
/* something needs to be done */
std::string cardString1 = GetParamFromName(it1->m_deviceName, "CARD");
std::string cardString2 = GetParamFromName(it2->m_deviceName, "CARD");
if (cardString1 != cardString2)
{
/* card name differs, add identifiers to all devices */
cardsToAppend.insert(cardString1);
cardsToAppend.insert(cardString2);
continue;
}
std::string devString1 = GetParamFromName(it1->m_deviceName, "DEV");
std::string devString2 = GetParamFromName(it2->m_deviceName, "DEV");
if (devString1 != devString2)
{
/* device number differs, add identifiers to all such devices */
devsToAppend.insert(std::make_pair(it1->m_deviceName.substr(0, it1->m_deviceName.find(':')), cardString1));
devsToAppend.insert(std::make_pair(it2->m_deviceName.substr(0, it2->m_deviceName.find(':')), cardString2));
continue;
}
/* if we got here, the configuration is really weird, just append the whole device string */
it1->m_displayName += " (" + it1->m_deviceName + ")";
it2->m_displayName += " (" + it2->m_deviceName + ")";
}
}
}
for (std::set<std::string>::iterator it = cardsToAppend.begin();
it != cardsToAppend.end(); ++it)
{
for (AEDeviceInfoList::iterator itl = list.begin(); itl != list.end(); ++itl)
{
std::string cardString = GetParamFromName(itl->m_deviceName, "CARD");
if (cardString == *it)
/* "HDA NVidia (NVidia)", "HDA NVidia (NVidia_2)", ... */
itl->m_displayName += " (" + cardString + ")";
}
}
for (std::set<std::pair<std::string, std::string> >::iterator it = devsToAppend.begin();
it != devsToAppend.end(); ++it)
{
for (AEDeviceInfoList::iterator itl = list.begin(); itl != list.end(); ++itl)
{
std::string baseName = itl->m_deviceName.substr(0, itl->m_deviceName.find(':'));
std::string cardString = GetParamFromName(itl->m_deviceName, "CARD");
if (baseName == it->first && cardString == it->second)
{
std::string devString = GetParamFromName(itl->m_deviceName, "DEV");
/* "HDMI #0", "HDMI #1" ... */
itl->m_displayNameExtra += " #" + devString;
}
}
}
}
void CAESinkDirectSound::EnumerateDevicesEx(AEDeviceInfoList &deviceInfoList, bool force)
{
CAEDeviceInfo deviceInfo;
IMMDeviceEnumerator* pEnumerator = NULL;
IMMDeviceCollection* pEnumDevices = NULL;
HRESULT hr;
/* See if we are on Windows XP */
if (!g_sysinfo.IsWindowsVersionAtLeast(CSysInfo::WindowsVersionVista))
{
/* We are on XP - WASAPI not supported - enumerate using DS devices */
LPGUID deviceGUID = NULL;
RPC_CSTR cszGUID;
std::string szGUID;
std::list<DSDevice> DSDeviceList;
DirectSoundEnumerate(DSEnumCallback, &DSDeviceList);
for(std::list<DSDevice>::iterator itt = DSDeviceList.begin(); itt != DSDeviceList.end(); ++itt)
{
if (UuidToString((*itt).lpGuid, &cszGUID) != RPC_S_OK)
continue; /* could not convert GUID to string - skip device */
deviceInfo.m_channels.Reset();
deviceInfo.m_dataFormats.clear();
deviceInfo.m_sampleRates.clear();
szGUID = (LPSTR)cszGUID;
deviceInfo.m_deviceName = "{" + szGUID + "}";
deviceInfo.m_displayName = (*itt).name;
deviceInfo.m_displayNameExtra = std::string("DirectSound: ") + (*itt).name;
deviceInfo.m_deviceType = AE_DEVTYPE_PCM;
deviceInfo.m_channels = layoutsByChCount[2];
deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_FLOAT));
deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_AC3));
deviceInfo.m_sampleRates.push_back((DWORD) 96000);
deviceInfoList.push_back(deviceInfo);
}
RpcStringFree(&cszGUID);
return;
}
/* Windows Vista or later - supporting WASAPI device probing */
hr = CoCreateInstance(CLSID_MMDeviceEnumerator, NULL, CLSCTX_ALL, IID_IMMDeviceEnumerator, (void**)&pEnumerator);
EXIT_ON_FAILURE(hr, __FUNCTION__": Could not allocate WASAPI device enumerator. CoCreateInstance error code: %li", hr)
UINT uiCount = 0;
hr = pEnumerator->EnumAudioEndpoints(eRender, DEVICE_STATE_ACTIVE, &pEnumDevices);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of audio endpoint enumeration failed.")
hr = pEnumDevices->GetCount(&uiCount);
EXIT_ON_FAILURE(hr, __FUNCTION__": Retrieval of audio endpoint count failed.")
for (UINT i = 0; i < uiCount; i++)
{
IMMDevice *pDevice = NULL;
IPropertyStore *pProperty = NULL;
PROPVARIANT varName;
PropVariantInit(&varName);
deviceInfo.m_channels.Reset();
deviceInfo.m_dataFormats.clear();
deviceInfo.m_sampleRates.clear();
hr = pEnumDevices->Item(i, &pDevice);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint failed.");
goto failed;
}
hr = pDevice->OpenPropertyStore(STGM_READ, &pProperty);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint properties failed.");
SAFE_RELEASE(pDevice);
goto failed;
}
hr = pProperty->GetValue(PKEY_Device_FriendlyName, &varName);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint device name failed.");
SAFE_RELEASE(pDevice);
SAFE_RELEASE(pProperty);
goto failed;
}
std::string strFriendlyName = localWideToUtf(varName.pwszVal);
PropVariantClear(&varName);
hr = pProperty->GetValue(PKEY_AudioEndpoint_GUID, &varName);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint GUID failed.");
SAFE_RELEASE(pDevice);
SAFE_RELEASE(pProperty);
goto failed;
}
std::string strDevName = localWideToUtf(varName.pwszVal);
PropVariantClear(&varName);
hr = pProperty->GetValue(PKEY_AudioEndpoint_FormFactor, &varName);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Retrieval of DirectSound endpoint form factor failed.");
SAFE_RELEASE(pDevice);
SAFE_RELEASE(pProperty);
goto failed;
}
std::string strWinDevType = winEndpoints[(EndpointFormFactor)varName.uiVal].winEndpointType;
AEDeviceType aeDeviceType = winEndpoints[(EndpointFormFactor)varName.uiVal].aeDeviceType;
PropVariantClear(&varName);
/* In shared mode Windows tells us what format the audio must be in. */
IAudioClient *pClient;
hr = pDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&pClient);
if (FAILED(hr))
{
CLog::Log(LOGERROR, __FUNCTION__": Activate device failed (%s)", WASAPIErrToStr(hr));
goto failed;
}
//hr = pClient->GetMixFormat(&pwfxex);
hr = pProperty->GetValue(PKEY_AudioEngine_DeviceFormat, &varName);
if (SUCCEEDED(hr) && varName.blob.cbSize > 0)
{
WAVEFORMATEX* smpwfxex = (WAVEFORMATEX*)varName.blob.pBlobData;
deviceInfo.m_channels = layoutsByChCount[std::max(std::min(smpwfxex->nChannels, (WORD) DS_SPEAKER_COUNT), (WORD) 2)];
deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_FLOAT));
deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_AC3));
deviceInfo.m_sampleRates.push_back(std::min(smpwfxex->nSamplesPerSec, (DWORD) 192000));
}
else
{
CLog::Log(LOGERROR, __FUNCTION__": Getting DeviceFormat failed (%s)", WASAPIErrToStr(hr));
}
pClient->Release();
SAFE_RELEASE(pDevice);
SAFE_RELEASE(pProperty);
deviceInfo.m_deviceName = strDevName;
deviceInfo.m_displayName = strWinDevType.append(strFriendlyName);
deviceInfo.m_displayNameExtra = std::string("DirectSound: ").append(strFriendlyName);
deviceInfo.m_deviceType = aeDeviceType;
deviceInfoList.push_back(deviceInfo);
}
// since AE takes the first device in deviceInfoList as default audio device we need
// to sort it in order to use the real default device
if(deviceInfoList.size() > 1)
{
std::string strDD = GetDefaultDevice();
for (AEDeviceInfoList::iterator itt = deviceInfoList.begin(); itt != deviceInfoList.end(); ++itt)
{
CAEDeviceInfo devInfo = *itt;
if(devInfo.m_deviceName == strDD)
{
deviceInfoList.erase(itt);
deviceInfoList.insert(deviceInfoList.begin(), devInfo);
break;
}
}
}
return;
failed:
if (FAILED(hr))
CLog::Log(LOGERROR, __FUNCTION__": Failed to enumerate WASAPI endpoint devices (%s).", WASAPIErrToStr(hr));
SAFE_RELEASE(pEnumDevices);
SAFE_RELEASE(pEnumerator);
}
