C++ AEDeviceInfoList::push_back方法代码示例

void CAESinkPi::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  m_info.m_channels.Reset();
  m_info.m_dataFormats.clear();
  m_info.m_sampleRates.clear();

  m_info.m_deviceType = AE_DEVTYPE_HDMI;
  m_info.m_deviceName = "HDMI";
  m_info.m_displayName = "HDMI";
  m_info.m_displayNameExtra = "";
  m_info.m_channels += AE_CH_FL;
  m_info.m_channels += AE_CH_FR;
  m_info.m_sampleRates.push_back(48000);
  m_info.m_dataFormats.push_back(AE_FMT_S16LE);

  list.push_back(m_info);

  m_info.m_channels.Reset();
  m_info.m_dataFormats.clear();
  m_info.m_sampleRates.clear();

  m_info.m_deviceType = AE_DEVTYPE_PCM;
  m_info.m_deviceName = "Analogue";
  m_info.m_displayName = "Analogue";
  m_info.m_displayNameExtra = "";
  m_info.m_channels += AE_CH_FL;
  m_info.m_channels += AE_CH_FR;
  m_info.m_sampleRates.push_back(48000);
  m_info.m_dataFormats.push_back(AE_FMT_S16LE);

  list.push_back(m_info);
}

void CAESinkAUDIOTRACK::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  m_info.m_channels.Reset();
  m_info.m_dataFormats.clear();
  m_info.m_sampleRates.clear();

  m_info.m_deviceType = AE_DEVTYPE_PCM;
#if defined(HAS_LIBAMCODEC)
  // AML devices can do passthough
  if (aml_present())
  {
    m_info.m_deviceType = AE_DEVTYPE_HDMI;
    m_info.m_dataFormats.push_back(AE_FMT_AC3);
    m_info.m_dataFormats.push_back(AE_FMT_DTS);
  }
#endif
  m_info.m_deviceName = "AudioTrack";
  m_info.m_displayName = "android";
  m_info.m_displayNameExtra = "audiotrack";
  m_info.m_channels += AE_CH_FL;
  m_info.m_channels += AE_CH_FR;
  m_info.m_sampleRates.push_back(44100);
  m_info.m_sampleRates.push_back(48000);
  m_info.m_dataFormats.push_back(AE_FMT_S16LE);
#if 0 //defined(__ARM_NEON__)
  if (g_cpuInfo.GetCPUFeatures() & CPU_FEATURE_NEON)
    m_info.m_dataFormats.push_back(AE_FMT_FLOAT);
#endif

  list.push_back(m_info);
}

void CAESinkAUDIOTRACK::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  m_info.m_channels.Reset();
  m_info.m_dataFormats.clear();
  m_info.m_sampleRates.clear();

  m_info.m_deviceType = AE_DEVTYPE_PCM;
  m_info.m_deviceName = "AudioTrack";
  m_info.m_displayName = "android";
  m_info.m_displayNameExtra = "audiotrack";
#ifdef LIMIT_TO_STEREO_AND_5POINT1_AND_7POINT1
  if (Has71Support())
    m_info.m_channels = AE_CH_LAYOUT_7_1;
  else
    m_info.m_channels = AE_CH_LAYOUT_5_1;
#else
  m_info.m_channels = KnownChannels;
#endif
  m_info.m_dataFormats.push_back(AE_FMT_S16LE);
  m_info.m_sampleRates.push_back(CJNIAudioTrack::getNativeOutputSampleRate(CJNIAudioManager::STREAM_MUSIC));

  if (!CXBMCApp::IsHeadsetPlugged())
  {
    m_info.m_deviceType = AE_DEVTYPE_HDMI;
    int test_sample[] = { 44100, 48000, 96000, 192000 };
    int test_sample_sz = sizeof(test_sample) / sizeof(int);
    for (int i=0; i<test_sample_sz; ++i)
    {
      if (IsSupported(test_sample[i], CJNIAudioFormat::CHANNEL_OUT_STEREO, CJNIAudioFormat::ENCODING_PCM_16BIT))
      {
        m_info.m_sampleRates.push_back(test_sample[i]);
        CLog::Log(LOGDEBUG, "AESinkAUDIOTRACK - %d supported", test_sample[i]);
      }
    }
    m_info.m_dataFormats.push_back(AE_FMT_AC3);
    m_info.m_dataFormats.push_back(AE_FMT_DTS);
  }
#if 0 //defined(__ARM_NEON__)
  if (g_cpuInfo.GetCPUFeatures() & CPU_FEATURE_NEON)
    m_info.m_dataFormats.push_back(AE_FMT_FLOAT);
#endif

  list.push_back(m_info);
}

void CAESinkAUDIOTRACK::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  // Clear everything
  m_info.m_channels.Reset();
  m_info.m_dataFormats.clear();
  m_info.m_sampleRates.clear();
  m_info.m_streamTypes.clear();
  m_sink_sampleRates.clear();

  m_info.m_deviceType = AE_DEVTYPE_PCM;
  m_info.m_deviceName = "AudioTrack";
  m_info.m_displayName = "android";
  m_info.m_displayNameExtra = "audiotrack";

  UpdateAvailablePCMCapabilities();

  if (!CXBMCApp::IsHeadsetPlugged())
  {
    UpdateAvailablePassthroughCapabilities();
  }
  list.push_back(m_info);
}

void CAESinkAUDIOTRACK::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  m_info.m_channels.Reset();
  m_info.m_dataFormats.clear();
  m_info.m_sampleRates.clear();

  m_info.m_deviceType = AE_DEVTYPE_HDMI;
  m_info.m_deviceName = "AudioTrack";
  m_info.m_displayName = "android";
  m_info.m_displayNameExtra = "audiotrack";
#ifdef LIMIT_TO_STEREO_AND_5POINT1
  m_info.m_channels = AE_CH_LAYOUT_5_1;
#else
  m_info.m_channels = KnownChannels;
#endif
// MSTAR PATCH BEGIN
  //m_info.m_sampleRates.push_back(CJNIAudioTrack::getNativeOutputSampleRate(CJNIAudioManager::STREAM_MUSIC));
  m_info.m_sampleRates.push_back(44100);
  m_info.m_sampleRates.push_back(48000);
// MSTAR PATCH END
  m_info.m_dataFormats.push_back(AE_FMT_S16LE);
  m_info.m_dataFormats.push_back(AE_FMT_AC3);
  m_info.m_dataFormats.push_back(AE_FMT_DTS);
// MSTAR PATCH BEGIN
  m_info.m_dataFormats.push_back(AE_FMT_EAC3);
  m_info.m_dataFormats.push_back(AE_FMT_TRUEHD);
  m_info.m_dataFormats.push_back(AE_FMT_DTSHD);
  m_info.m_sampleRates.push_back(192000);
// MSTAR PATCH END
#if 0 //defined(__ARM_NEON__)
  if (g_cpuInfo.GetCPUFeatures() & CPU_FEATURE_NEON)
    m_info.m_dataFormats.push_back(AE_FMT_FLOAT);
#endif

  list.push_back(m_info);
}

//.........这里部分代码省略.........
    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);

    // add the default device with m_deviceName = default
    if(strDD == strDevName)
    {
      deviceInfo.m_deviceName = std::string("default");
      deviceInfo.m_displayName = std::string("default");
      deviceInfo.m_displayNameExtra = std::string("");
      deviceInfoList.push_back(deviceInfo);
    }
  }

  return;

failed:

  if (FAILED(hr))
    CLog::Log(LOGERROR, __FUNCTION__": Failed to enumerate WASAPI endpoint devices (%s).", WASAPIErrToStr(hr));

  SAFE_RELEASE(pEnumDevices);
  SAFE_RELEASE(pEnumerator);

}

void CAESinkAUDIOTRACK::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  m_info.m_channels.Reset();
  m_info.m_dataFormats.clear();
  m_info.m_sampleRates.clear();

  m_info.m_deviceType = AE_DEVTYPE_PCM;
  m_info.m_deviceName = "AudioTrack";
  m_info.m_displayName = "android";
  m_info.m_displayNameExtra = "audiotrack";
#ifdef LIMIT_TO_STEREO_AND_5POINT1_AND_7POINT1
  if (Has71Support())
    m_info.m_channels = AE_CH_LAYOUT_7_1;
  else
    m_info.m_channels = AE_CH_LAYOUT_5_1;
#else
  m_info.m_channels = KnownChannels;
#endif
  m_info.m_dataFormats.push_back(AE_FMT_S16LE);

  m_sink_sampleRates.clear();
  m_sink_sampleRates.insert(CJNIAudioTrack::getNativeOutputSampleRate(CJNIAudioManager::STREAM_MUSIC));

  m_info.m_wantsIECPassthrough = true;
  if (!CXBMCApp::IsHeadsetPlugged())
  {
    m_info.m_deviceType = AE_DEVTYPE_HDMI;
    m_info.m_dataFormats.push_back(AE_FMT_RAW);
    m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_AC3);
    m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTSHD_CORE);
    m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTS_1024);
    m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTS_2048);
    m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTS_512);

#if defined(HAS_LIBAMCODEC)
    if (aml_present())
    {
      // passthrough
      m_info.m_wantsIECPassthrough = true;
      m_sink_sampleRates.insert(44100);
      m_sink_sampleRates.insert(48000);
      if (HasAmlHD())
      {
        m_sink_sampleRates.insert(96000);
        m_sink_sampleRates.insert(192000);
        m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_EAC3);
        m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTSHD);
        m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_TRUEHD);
      }
    }
    else
#endif
    {
      int test_sample[] = { 32000, 44100, 48000, 96000, 192000 };
      int test_sample_sz = sizeof(test_sample) / sizeof(int);
      int encoding = CJNIAudioFormat::ENCODING_PCM_16BIT;
      if (CJNIAudioManager::GetSDKVersion() >= 21)
        encoding = CJNIAudioFormat::ENCODING_PCM_FLOAT;
      for (int i=0; i<test_sample_sz; ++i)
      {
        if (IsSupported(test_sample[i], CJNIAudioFormat::CHANNEL_OUT_STEREO, encoding))
        {
          m_sink_sampleRates.insert(test_sample[i]);
          CLog::Log(LOGDEBUG, "AESinkAUDIOTRACK - %d supported", test_sample[i]);
        }
      }
      if (CJNIAudioManager::GetSDKVersion() >= 23)
      {
        m_info.m_wantsIECPassthrough = false;
        // here only 5.1 would work but we cannot correctly distinguish
        // m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_EAC3);
        m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTSHD);
      }
      if (StringUtils::StartsWithNoCase(CJNIBuild::DEVICE, "foster")) // SATV is ahead of API
      {
        m_info.m_wantsIECPassthrough = false;
        if (CJNIAudioManager::GetSDKVersion() == 22)
          m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTSHD);
        m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_TRUEHD);
      }
    }
    std::copy(m_sink_sampleRates.begin(), m_sink_sampleRates.end(), std::back_inserter(m_info.m_sampleRates));
  }

  list.push_back(m_info);
}

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);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
      SAFE_RELEASE(pDevice);
      SAFE_RELEASE(pProperty);
      goto failed;
    }
    unsigned int uiChannelMask = std::max(varName.uintVal, (unsigned int) KSAUDIO_SPEAKER_STEREO);

    deviceChannels.Reset();

    for (unsigned int c = 0; c < WASAPI_SPEAKER_COUNT; c++)
    {
      if (uiChannelMask & WASAPIChannelOrder[c])
        deviceChannels += AEChannelNames[c];
    }

    PropVariantClear(&varName);

    IAudioClient *pClient;
    hr = pDevice->Activate(IID_IAudioClient, CLSCTX_ALL, NULL, (void**)&pClient);
    if (SUCCEEDED(hr))
    {
      /* Test format DTS-HD */
      wfxex.Format.cbSize               = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX);
      wfxex.Format.nSamplesPerSec       = 192000;
      wfxex.dwChannelMask               = KSAUDIO_SPEAKER_7POINT1_SURROUND;
      wfxex.Format.wFormatTag           = WAVE_FORMAT_EXTENSIBLE;
      wfxex.SubFormat                   = KSDATAFORMAT_SUBTYPE_IEC61937_DTS_HD;
      wfxex.Format.wBitsPerSample       = 16;
      wfxex.Samples.wValidBitsPerSample = 16;
      wfxex.Format.nChannels            = 8;
      wfxex.Format.nBlockAlign          = wfxex.Format.nChannels * (wfxex.Format.wBitsPerSample >> 3);
      wfxex.Format.nAvgBytesPerSec      = wfxex.Format.nSamplesPerSec * wfxex.Format.nBlockAlign;
      hr = pClient->IsFormatSupported(AUDCLNT_SHAREMODE_EXCLUSIVE, &wfxex.Format, NULL);
      if (SUCCEEDED(hr))
        deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_DTSHD));

      /* Test format Dolby TrueHD */
      wfxex.SubFormat                   = KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_MLP;
      hr = pClient->IsFormatSupported(AUDCLNT_SHAREMODE_EXCLUSIVE, &wfxex.Format, NULL);
      if (SUCCEEDED(hr))
        deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_TRUEHD));

      /* Test format Dolby EAC3 */
      wfxex.SubFormat                   = KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_DIGITAL_PLUS;
      wfxex.Format.nChannels            = 2;
      wfxex.Format.nBlockAlign          = wfxex.Format.nChannels * (wfxex.Format.wBitsPerSample >> 3);
      wfxex.Format.nAvgBytesPerSec      = wfxex.Format.nSamplesPerSec * wfxex.Format.nBlockAlign;
      hr = pClient->IsFormatSupported(AUDCLNT_SHAREMODE_EXCLUSIVE, &wfxex.Format, NULL);
      if (SUCCEEDED(hr))
        deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_EAC3));

      /* Test format DTS */
      wfxex.Format.nSamplesPerSec       = 48000;
      wfxex.dwChannelMask               = KSAUDIO_SPEAKER_5POINT1;
      wfxex.SubFormat                   = KSDATAFORMAT_SUBTYPE_IEC61937_DTS;
      wfxex.Format.nBlockAlign          = wfxex.Format.nChannels * (wfxex.Format.wBitsPerSample >> 3);
      wfxex.Format.nAvgBytesPerSec      = wfxex.Format.nSamplesPerSec * wfxex.Format.nBlockAlign;
      hr = pClient->IsFormatSupported(AUDCLNT_SHAREMODE_EXCLUSIVE, &wfxex.Format, NULL);
      if (SUCCEEDED(hr))
        deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_DTS));

      /* Test format Dolby AC3 */
      wfxex.SubFormat                   = KSDATAFORMAT_SUBTYPE_IEC61937_DOLBY_DIGITAL;
      hr = pClient->IsFormatSupported(AUDCLNT_SHAREMODE_EXCLUSIVE, &wfxex.Format, NULL);
      if (SUCCEEDED(hr))
        deviceInfo.m_dataFormats.push_back(AEDataFormat(AE_FMT_AC3));

void CAESinkAUDIOTRACK::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  m_info.m_channels.Reset();
  m_info.m_dataFormats.clear();
  m_info.m_sampleRates.clear();

  m_info.m_deviceType = AE_DEVTYPE_PCM;
  m_info.m_deviceName = "AudioTrack";
  m_info.m_displayName = "android";
  m_info.m_displayNameExtra = "audiotrack";
#ifdef LIMIT_TO_STEREO_AND_5POINT1_AND_7POINT1
  if (Has71Support())
    m_info.m_channels = AE_CH_LAYOUT_7_1;
  else
    m_info.m_channels = AE_CH_LAYOUT_5_1;
#else
  m_info.m_channels = KnownChannels;
#endif
  m_info.m_dataFormats.push_back(AE_FMT_S16LE);

  m_sink_sampleRates.clear();
  m_sink_sampleRates.insert(CJNIAudioTrack::getNativeOutputSampleRate(CJNIAudioManager::STREAM_MUSIC));

  m_info.m_wantsIECPassthrough = true;
  if (!CXBMCApp::IsHeadsetPlugged())
  {
    m_info.m_deviceType = AE_DEVTYPE_HDMI;
    m_info.m_wantsIECPassthrough = false;
    m_info.m_dataFormats.push_back(AE_FMT_RAW);
    if (CJNIAudioFormat::ENCODING_AC3 != -1)
    {
      m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_AC3);
      CLog::Log(LOGDEBUG, "Firmware implements AC3 RAW");
    }

    // EAC3 working on shield, broken on FireTV
    if (CJNIAudioFormat::ENCODING_E_AC3 != -1)
    {
      m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_EAC3);
      CLog::Log(LOGDEBUG, "Firmware implements EAC3 RAW");
    }

    if (CJNIAudioFormat::ENCODING_DTS != -1)
    {
      CLog::Log(LOGDEBUG, "Firmware implements DTS RAW");
      m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTSHD_CORE);
      m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTS_1024);
      m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTS_2048);
      m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTS_512);
    }

    if (aml_present() && CJNIAudioManager::GetSDKVersion() < 23)
    {
      // passthrough
      m_info.m_wantsIECPassthrough = true;
      m_sink_sampleRates.insert(44100);
      m_sink_sampleRates.insert(48000);
      if (HasAmlHD())
      {
        m_sink_sampleRates.insert(96000);
        m_sink_sampleRates.insert(192000);
        m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_EAC3);
        m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTSHD);
        m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_TRUEHD);
      }
    }
    else
    {
      bool supports_192khz = false;
      int test_sample[] = { 32000, 44100, 48000, 88200, 96000, 176400, 192000 };
      int test_sample_sz = sizeof(test_sample) / sizeof(int);
      int encoding = CJNIAudioFormat::ENCODING_PCM_16BIT;
      if (CJNIAudioManager::GetSDKVersion() >= 21)
        encoding = CJNIAudioFormat::ENCODING_PCM_FLOAT;
      for (int i=0; i<test_sample_sz; ++i)
      {
        if (IsSupported(test_sample[i], CJNIAudioFormat::CHANNEL_OUT_STEREO, encoding))
        {
          m_sink_sampleRates.insert(test_sample[i]);
          if (test_sample[i] == 192000)
            supports_192khz = true;
          CLog::Log(LOGDEBUG, "AESinkAUDIOTRACK - %d supported", test_sample[i]);
        }
      }
      if (CJNIAudioManager::GetSDKVersion() >= 23)
      {
        if (CJNIAudioFormat::ENCODING_DTS_HD != -1)
        {
          CLog::Log(LOGDEBUG, "Firmware implements DTS-HD RAW");
          m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_DTSHD);
        }
        if (CJNIAudioFormat::ENCODING_DOLBY_TRUEHD != -1)
        {
          CLog::Log(LOGDEBUG, "Firmware implements TrueHD RAW");
          m_info.m_streamTypes.push_back(CAEStreamInfo::STREAM_TYPE_TRUEHD);
        }
      }
      // Android v24 and backports can do real IEC API
      if (CJNIAudioFormat::ENCODING_IEC61937 != -1)
      {
//.........这里部分代码省略.........

void CAESinkSNDIO::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  struct sio_hdl *hdl;
  struct sio_cap cap;

  if ((hdl = sio_open(SIO_DEVANY, SIO_PLAY, 0)) == nullptr)
  {
    CLog::Log(LOGERROR, "CAESinkSNDIO::EnumerateDevicesEx - sio_open");
    return;
  }

  if (!sio_getcap(hdl, &cap))
  {
    CLog::Log(LOGERROR, "CAESinkSNDIO::EnumerateDevicesEx - sio_getcap");
    return;
  }

  sio_close(hdl);
  hdl = nullptr;

  for (unsigned int i = 0; i < cap.nconf; i++)
  {
    CAEDeviceInfo info;
    sio_cap::sio_conf conf = cap.confs[i];

    info.m_deviceName = SIO_DEVANY;
    info.m_displayName = "sndio";
    info.m_displayNameExtra = "#" + std::to_string(i);
    info.m_deviceType = AE_DEVTYPE_PCM;
    info.m_wantsIECPassthrough = false;

    unsigned int maxchan = 0;
    for (unsigned int j = 0; j < SIO_NCHAN; j++)
    {
      if (conf.pchan & (1 << j))
        maxchan = MAX(maxchan, cap.pchan[j]);
    }

    maxchan = MIN(maxchan, nitems(channelMap));
    for (unsigned int j = 0; j < maxchan; j++)
      info.m_channels += channelMap[j];

    for (unsigned int j = 0; j < SIO_NRATE; j++)
    {
      if (conf.rate & (1 << j))
      {
        info.m_sampleRates.push_back(cap.rate[j]);
      }
    }

    for (unsigned int j = 0; j < SIO_NENC; j++)
    {
      if (conf.enc & (1 << j))
      {
        AEDataFormat format = lookupDataFormat(cap.enc[j].bits, cap.enc[j].bps, cap.enc[j].sig, cap.enc[j].le, cap.enc[j].msb);
        if (format != AE_FMT_INVALID)
          info.m_dataFormats.push_back(format);
      }
    }

    list.push_back(info);
  }
}

//.........这里部分代码省略.........
      if (!info.m_displayNameExtra.empty())
        info.m_displayNameExtra += ' ';
      info.m_displayNameExtra += "S/PDIF";
    }
    else if (info.m_displayNameExtra.empty())
    {
      /* for USB audio, it gets a bit confusing as there is
       * - "SB Live! 24-bit External"
       * - "SB Live! 24-bit External, S/PDIF"
       * so add "Analog" qualifier to the first one */
      info.m_displayNameExtra = "Analog";
    }

    /* "default" is a device that will be used for all inputs, while
     * "@" will be mangled to front/default/surroundXX as necessary */
    if (device == "@" || device == "default")
    {
      /* Make it "Default (whatever)" */
      info.m_displayName = "Default (" + info.m_displayName + (info.m_displayNameExtra.empty() ? "" : " " + info.m_displayNameExtra + ")");
      info.m_displayNameExtra = "";
    }

  }
  else
  {
    /* virtual devices: "default", "pulse", ... */
    /* description can be e.g. "PulseAudio Sound Server" - for hw devices it is
     * normally uninteresting, like "HDMI Audio Output" or "Default Audio Device",
     * so we only use it for virtual devices that have no better display name */
    info.m_displayName = description;
  }

  snd_pcm_hw_params_t *hwparams;
  snd_pcm_hw_params_alloca(&hwparams);
  memset(hwparams, 0, snd_pcm_hw_params_sizeof());

  /* ensure we can get a playback configuration for the device */
  if (snd_pcm_hw_params_any(pcmhandle, hwparams) < 0)
  {
    CLog::Log(LOGINFO, "CAESinkALSA - No playback configurations available for device \"%s\"", device.c_str());
    snd_pcm_close(pcmhandle);
    return;
  }

  /* detect the available sample rates */
  for (unsigned int *rate = ALSASampleRateList; *rate != 0; ++rate)
    if (snd_pcm_hw_params_test_rate(pcmhandle, hwparams, *rate, 0) >= 0)
      info.m_sampleRates.push_back(*rate);

  /* detect the channels available */
  int channels = 0;
  for (int i = ALSA_MAX_CHANNELS; i >= 1; --i)
  {
    /* Reopen the device if needed on the special "surroundXX" cases */
    if (info.m_deviceType == AE_DEVTYPE_PCM && (i == 8 || i == 6 || i == 4))
      OpenPCMDevice(device, "", i, &pcmhandle, config);

    if (snd_pcm_hw_params_test_channels(pcmhandle, hwparams, i) >= 0)
    {
      channels = i;
      break;
    }
  }

  if (device == "default" && channels == 2)
  {
    /* This looks like the ALSA standard default stereo dmix device, we
     * probably want to use "@" instead to get surroundXX. */
    snd_pcm_close(pcmhandle);
    EnumerateDevice(list, "@", description, config);
    return;
  }

  CAEChannelInfo alsaChannels;
  for (int i = 0; i < channels; ++i)
  {
    if (!info.m_channels.HasChannel(ALSAChannelMap[i]))
      info.m_channels += ALSAChannelMap[i];
    alsaChannels += ALSAChannelMap[i];
  }

  /* remove the channels from m_channels that we cant use */
  info.m_channels.ResolveChannels(alsaChannels);

  /* detect the PCM sample formats that are available */
  for (enum AEDataFormat i = AE_FMT_MAX; i > AE_FMT_INVALID; i = (enum AEDataFormat)((int)i - 1))
  {
    if (AE_IS_RAW(i) || i == AE_FMT_MAX)
      continue;
    snd_pcm_format_t fmt = AEFormatToALSAFormat(i);
    if (fmt == SND_PCM_FORMAT_UNKNOWN)
      continue;

    if (snd_pcm_hw_params_test_format(pcmhandle, hwparams, fmt) >= 0)
      info.m_dataFormats.push_back(i);
  }

  snd_pcm_close(pcmhandle);
  list.push_back(info);
}

void CAESinkOSS::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  int mixerfd;
  const char * mixerdev = "/dev/mixer";

  if ((mixerfd = open(mixerdev, O_RDWR, 0)) == -1)
  {
    CLog::Log(LOGNOTICE,
	  "CAESinkOSS::EnumerateDevicesEx - No OSS mixer device present: %s", mixerdev);
    return;
  }	

#if defined(SNDCTL_SYSINFO) && defined(SNDCTL_CARDINFO)
  oss_sysinfo sysinfo;
  if (ioctl(mixerfd, SNDCTL_SYSINFO, &sysinfo) == -1)
  {
    // hardware not supported
	// OSSv4 required ?
    close(mixerfd);
    return;
  }

  for (int i = 0; i < sysinfo.numcards; ++i)
  {
    std::stringstream devicepath;
    std::stringstream devicename;
    CAEDeviceInfo info;
    oss_card_info cardinfo;

    devicepath << "/dev/dsp" << i;
    info.m_deviceName = devicepath.str();

    cardinfo.card = i;
    if (ioctl(mixerfd, SNDCTL_CARDINFO, &cardinfo) == -1)
      break;

    devicename << cardinfo.shortname << " " << cardinfo.longname;
    info.m_displayName = devicename.str();

    if (info.m_displayName.find("HDMI") != std::string::npos)
      info.m_deviceType = AE_DEVTYPE_HDMI;
    else if (info.m_displayName.find("Digital") != std::string::npos)
      info.m_deviceType = AE_DEVTYPE_IEC958;
    else
      info.m_deviceType = AE_DEVTYPE_PCM;
 
    oss_audioinfo ainfo;
    memset(&ainfo, 0, sizeof(ainfo));
    ainfo.dev = i;
    if (ioctl(mixerfd, SNDCTL_AUDIOINFO, &ainfo) != -1) {
#if 0
      if (ainfo.oformats & AFMT_S32_LE)
        info.m_dataFormats.push_back(AE_FMT_S32LE);
      if (ainfo.oformats & AFMT_S16_LE)
        info.m_dataFormats.push_back(AE_FMT_S16LE);
#endif
      for (int j = 0;
        j < ainfo.max_channels && AE_CH_NULL != OSSChannelMap[j];
        ++j)
          info.m_channels += OSSChannelMap[j];

      for (int *rate = OSSSampleRateList; *rate != 0; ++rate)
        if (*rate >= ainfo.min_rate && *rate <= ainfo.max_rate)
          info.m_sampleRates.push_back(*rate);
    }
    list.push_back(info);
  }
#endif
  close(mixerfd);
}

void CAESinkIntelSMD::EnumerateDevicesEx(AEDeviceInfoList &list, bool force)
{
  VERBOSE();

  LoadEDID();

  int maxChannels;
  std::vector<AEDataFormat> formats;
  std::vector<unsigned int> rates;

  GetEDIDInfo(maxChannels, formats, rates);
  // most likely TODO(q)- now messed up by quasar?
  // And now even more messed up by Keyser :)
  CAEDeviceInfo info;
  info.m_channels.Reset();
  info.m_dataFormats.clear();
  info.m_sampleRates.clear();
  
  info.m_deviceType =  AE_DEVTYPE_PCM; 
  info.m_deviceName = "All";
  info.m_displayName = "All Outputs";
  info.m_displayNameExtra = "HDMI/SPDIF/Analog";
  info.m_channels += AE_CH_FL;
  info.m_channels += AE_CH_FR;

  // support the rates available on HDMI, SPDIF and Analog will already support them
  std::vector<unsigned int>::const_iterator it, itEnd = rates.end();
  for (it = rates.begin(); it != itEnd; ++it)
    info.m_sampleRates.push_back(*it);

  info.m_dataFormats.push_back(AE_FMT_S16LE);  
  list.push_back(info);

  info.m_channels.Reset();
  info.m_dataFormats.clear();
  //info.m_sampleRates.clear();
  
  info.m_deviceType =  AE_DEVTYPE_HDMI; 
  info.m_deviceName = "HDMI";
  info.m_displayName = "HDMI";
  info.m_displayNameExtra = "HDMI Output";
  for (int i = 0; i < maxChannels; ++i)
    info.m_channels += s_chMap[i];

  //info.m_sampleRates.push_back(48000);  
  std::vector<AEDataFormat>::const_iterator itFormat, itFormatEnd = formats.end();
  for (itFormat = formats.begin(); itFormat != itFormatEnd; ++itFormat)
    info.m_dataFormats.push_back(*itFormat);

  list.push_back(info);

  info.m_channels.Reset();
  info.m_dataFormats.clear();
  info.m_sampleRates.clear();
  
  info.m_deviceType = AE_DEVTYPE_IEC958; 
  info.m_deviceName = "SPDIF";
  info.m_displayName = "SPDIF";
  info.m_displayNameExtra = "Toslink Output";
  info.m_channels += AE_CH_FL;
  info.m_channels += AE_CH_FR;
  //info.m_sampleRates.push_back(12000);
  //info.m_sampleRates.push_back(24000);
  info.m_sampleRates.push_back(32000);
  info.m_sampleRates.push_back(44100);
  info.m_sampleRates.push_back(48000);
  info.m_sampleRates.push_back(88200);
  info.m_sampleRates.push_back(96000);
  info.m_sampleRates.push_back(176400);
  info.m_sampleRates.push_back(192000);
  info.m_dataFormats.push_back(AE_FMT_S24NE4);
  info.m_dataFormats.push_back(AE_FMT_LPCM);
  info.m_dataFormats.push_back(AE_FMT_S16LE);
  info.m_dataFormats.push_back(AE_FMT_AC3);
  info.m_dataFormats.push_back(AE_FMT_DTS);
  info.m_dataFormats.push_back(AE_FMT_EAC3);
  list.push_back(info);

  info.m_channels.Reset();
  info.m_dataFormats.clear();
  info.m_sampleRates.clear();
  
  info.m_deviceType = AE_DEVTYPE_PCM; 
  info.m_deviceName = "Analog";
  info.m_displayName = "Analog";
  info.m_displayNameExtra = "RCA Outputs";
  info.m_channels += AE_CH_FL;
  info.m_channels += AE_CH_FR;
  //info.m_sampleRates.push_back(12000);
  //info.m_sampleRates.push_back(24000);
  info.m_sampleRates.push_back(32000);
  info.m_sampleRates.push_back(44100);
  info.m_sampleRates.push_back(48000);
  info.m_sampleRates.push_back(88200);
  info.m_sampleRates.push_back(96000);
  info.m_sampleRates.push_back(176400);
  info.m_sampleRates.push_back(192000);
  info.m_dataFormats.push_back(AE_FMT_S16LE);
  list.push_back(info);
}