diff options
Diffstat (limited to 'src/AudioDeviceManager.cpp')
| -rw-r--r-- | src/AudioDeviceManager.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/AudioDeviceManager.cpp b/src/AudioDeviceManager.cpp index 9ac1c52..69eb544 100644 --- a/src/AudioDeviceManager.cpp +++ b/src/AudioDeviceManager.cpp @@ -415,6 +415,53 @@ namespace SaneAudioRenderer }
}
+ HRESULT RecreateAudioDeviceBackend(IMMDeviceEnumerator* pEnumerator,
+ std::shared_ptr<AudioDeviceBackend>& backend)
+ {
+ try
+ {
+ // Recreate
+ backend->audioClient = nullptr;
+ CreateAudioClient(pEnumerator, *backend);
+
+ // Initialize
+ {
+ AUDCLNT_SHAREMODE mode = backend->exclusive ? AUDCLNT_SHAREMODE_EXCLUSIVE :
+ AUDCLNT_SHAREMODE_SHARED;
+
+ DWORD flags = AUDCLNT_STREAMFLAGS_NOPERSIST;
+ if (backend->eventMode)
+ flags |= AUDCLNT_STREAMFLAGS_EVENTCALLBACK;
+
+ REFERENCE_TIME bufferDuration = llMulDiv(backend->deviceBufferSize, OneSecond,
+ backend->waveFormat->nSamplesPerSec, 0);
+
+ REFERENCE_TIME periodicy = 0;
+ if (backend->exclusive && backend->eventMode)
+ periodicy = bufferDuration;
+
+ ThrowIfFailed(backend->audioClient->Initialize(mode, flags, bufferDuration,
+ periodicy, &(*backend->waveFormat), nullptr));
+ }
+
+ // Get services
+ ThrowIfFailed(backend->audioClient->GetService(IID_PPV_ARGS(&backend->audioRenderClient)));
+ ThrowIfFailed(backend->audioClient->GetService(IID_PPV_ARGS(&backend->audioClock)));
+ ThrowIfFailed(backend->audioClient->GetStreamLatency(&backend->deviceLatency));
+ ThrowIfFailed(backend->audioClient->GetBufferSize(&backend->deviceBufferSize));
+ }
+ catch (std::bad_alloc&)
+ {
+ return E_OUTOFMEMORY;
+ }
+ catch (HRESULT ex)
+ {
+ return ex;
+ }
+
+ return S_OK;
+ }
+
HRESULT GetDefaultDeviceIdInternal(IMMDeviceEnumerator* pEnumerator,
std::unique_ptr<WCHAR, CoTaskMemFreeDeleter>& id)
{
@@ -583,6 +630,27 @@ namespace SaneAudioRenderer }
}
+ bool AudioDeviceManager::RenewInactiveDevice(AudioDevice& device, int64_t& position)
+ {
+ auto renewFunction = [this](std::shared_ptr<AudioDeviceBackend>& backend) -> bool
+ {
+ m_function = [&] { return RecreateAudioDeviceBackend(m_enumerator, backend); };
+ m_wake.Set();
+ m_done.Wait();
+
+ return SUCCEEDED(m_result);
+ };
+
+ try
+ {
+ return device.RenewInactive(renewFunction, position);
+ }
+ catch (HRESULT)
+ {
+ return false;
+ }
+ }
+
std::unique_ptr<WCHAR, CoTaskMemFreeDeleter> AudioDeviceManager::GetDefaultDeviceId()
{
assert(m_enumerator);
|