static inline bool ConnecEncodedtFilters(IGraphBuilder *graph,
IBaseFilter *filter, IBaseFilter *crossbar,
IBaseFilter *encoder, IBaseFilter *demuxer)
{
if (!DirectConnectFilters(graph, crossbar, filter)) {
Warning(L"Encoded Device: Failed to connect crossbar to "
L"device");
return false;
}
if (!!encoder) {
if (!DirectConnectFilters(graph, filter, encoder)) {
Warning(L"Encoded Device: Failed to connect device to "
L"encoder");
return false;
}
if (!DirectConnectFilters(graph, encoder, demuxer)) {
Warning(L"Encoded Device: Failed to connect encoder to "
L"demuxer");
return false;
}
} else {
if (!DirectConnectFilters(graph, filter, demuxer)) {
Warning(L"Encoded Device: Failed to connect device to "
L"demuxer");
return false;
}
}
return true;
}
bool HVideoEncoder::SetupCrossbar()
{
ComPtr<IBaseFilter> crossbar;
ComPtr<IPin> pin;
REGPINMEDIUM medium;
/* C353 has no crossbar */
if (config.name.find(L"C353") != std::string::npos)
return true;
if (!GetPinByName(device, PINDIR_INPUT, L"Analog Video In", &pin)) {
Warning(L"Failed to get Analog Video In pin");
return false;
}
if (!GetPinMedium(pin, medium)) {
Warning(L"Failed to get Analog Video In pin medium");
return false;
}
if (!GetFilterByMedium(AM_KSCATEGORY_CROSSBAR, medium, &crossbar)) {
Warning(L"Failed to get crossbar filter");
return false;
}
graph->AddFilter(crossbar, L"Crossbar Filter");
if (!DirectConnectFilters(graph, crossbar, device)) {
Warning(L"Failed to connect crossbar to device");
return false;
}
return true;
}
bool HDevice::ConnectPins(const GUID &category, const GUID &type,
IBaseFilter *filter, IBaseFilter *capture)
{
HRESULT hr;
ComPtr<IBaseFilter> crossbar;
ComPtr<IPin> filterPin;
ComPtr<IPin> capturePin;
bool connectCrossbar = !encodedDevice && type == MEDIATYPE_Video;
if (!EnsureInitialized(L"HDevice::ConnectPins") ||
!EnsureInactive(L"HDevice::ConnectPins"))
return false;
if (connectCrossbar && FindCrossbar(filter, &crossbar)) {
if (!DirectConnectFilters(graph, crossbar, filter)) {
Warning(L"HDevice::ConnectPins: Failed to connect "
L"crossbar");
return false;
}
}
if (!GetFilterPin(filter, type, category, PINDIR_OUTPUT, &filterPin)) {
Error(L"HDevice::ConnectPins: Failed to find pin");
return false;
}
if (!GetPinByName(capture, PINDIR_INPUT, nullptr, &capturePin)) {
Error(L"HDevice::ConnectPins: Failed to find capture pin");
return false;
}
hr = graph->ConnectDirect(filterPin, capturePin, nullptr);
if (FAILED(hr)) {
WarningHR(L"HDevice::ConnectPins: failed to connect pins",
hr);
return false;
}
return true;
}