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#include <sstream>
#include "decklink-device.hpp"
#include <util/threading.h>
DeckLinkDevice::DeckLinkDevice(IDeckLink *device_) : device(device_)
{
}
DeckLinkDevice::~DeckLinkDevice(void)
{
for (DeckLinkDeviceMode *mode : modes)
delete mode;
}
ULONG DeckLinkDevice::AddRef()
{
return os_atomic_inc_long(&refCount);
}
ULONG DeckLinkDevice::Release()
{
long ret = os_atomic_dec_long(&refCount);
if (ret == 0)
delete this;
return ret;
}
bool DeckLinkDevice::Init()
{
ComPtr<IDeckLinkInput> input;
if (device->QueryInterface(IID_IDeckLinkInput, (void**)&input) != S_OK)
return false;
IDeckLinkDisplayModeIterator *modeIterator;
if (input->GetDisplayModeIterator(&modeIterator) == S_OK) {
IDeckLinkDisplayMode *displayMode;
long long modeId = 1;
while (modeIterator->Next(&displayMode) == S_OK) {
if (displayMode == nullptr)
continue;
DeckLinkDeviceMode *mode =
new DeckLinkDeviceMode(displayMode, modeId);
modes.push_back(mode);
modeIdMap[modeId] = mode;
displayMode->Release();
++modeId;
}
modeIterator->Release();
}
decklink_string_t decklinkModelName;
decklink_string_t decklinkDisplayName;
if (device->GetModelName(&decklinkModelName) != S_OK)
return false;
DeckLinkStringToStdString(decklinkModelName, name);
if (device->GetDisplayName(&decklinkDisplayName) != S_OK)
return false;
DeckLinkStringToStdString(decklinkDisplayName, displayName);
hash = displayName;
ComPtr<IDeckLinkAttributes> attributes;
const HRESULT result = device->QueryInterface(IID_IDeckLinkAttributes,
(void **)&attributes);
if (result != S_OK)
return true;
/* http://forum.blackmagicdesign.com/viewtopic.php?f=12&t=33967
* BMDDeckLinkTopologicalID for older devices
* BMDDeckLinkPersistentID for newer ones */
int64_t value;
if (attributes->GetInt(BMDDeckLinkPersistentID, &value) != S_OK &&
attributes->GetInt(BMDDeckLinkTopologicalID, &value) != S_OK)
return true;
std::ostringstream os;
os << value << "_" << name;
hash = os.str();
return true;
}
bool DeckLinkDevice::GetInput(IDeckLinkInput **input)
{
if (device->QueryInterface(IID_IDeckLinkInput, (void**)input) != S_OK)
return false;
return true;
}
DeckLinkDeviceMode *DeckLinkDevice::FindMode(long long id)
{
return modeIdMap[id];
}
const std::string& DeckLinkDevice::GetDisplayName(void)
{
return displayName;
}
const std::string& DeckLinkDevice::GetHash(void) const
{
return hash;
}
const std::vector<DeckLinkDeviceMode *>& DeckLinkDevice::GetModes(void) const
{
return modes;
}
const std::string& DeckLinkDevice::GetName(void) const
{
return name;
}
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