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110 lines
2.3 KiB
C++
110 lines
2.3 KiB
C++
#include "DecklinkOutput.hpp"
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#include <util/threading.h>
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DeckLinkOutput::DeckLinkOutput(obs_output_t *output,
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DeckLinkDeviceDiscovery *discovery_)
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: DecklinkBase(discovery_), output(output)
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{
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discovery->AddCallback(DeckLinkOutput::DevicesChanged, this);
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}
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DeckLinkOutput::~DeckLinkOutput(void)
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{
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discovery->RemoveCallback(DeckLinkOutput::DevicesChanged, this);
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Deactivate();
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}
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void DeckLinkOutput::DevicesChanged(void *param, DeckLinkDevice *device, bool)
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{
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auto *decklink = reinterpret_cast<DeckLinkOutput *>(param);
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std::lock_guard<std::recursive_mutex> lock(decklink->deviceMutex);
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blog(LOG_DEBUG, "%s", device->GetHash().c_str());
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}
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bool DeckLinkOutput::Activate(DeckLinkDevice *device, long long modeId)
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{
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std::lock_guard<std::recursive_mutex> lock(deviceMutex);
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DeckLinkDevice *curDevice = GetDevice();
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const bool same = device == curDevice;
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const bool isActive = instance != nullptr;
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if (same) {
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if (!isActive)
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return false;
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if (instance->GetActiveModeId() == modeId &&
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instance->GetActivePixelFormat() == pixelFormat &&
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instance->GetActiveColorSpace() == colorSpace &&
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instance->GetActiveColorRange() == colorRange &&
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instance->GetActiveChannelFormat() == channelFormat)
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return false;
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}
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if (isActive)
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instance->StopOutput();
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if (!same)
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instance.Set(new DeckLinkDeviceInstance(this, device));
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if (instance == nullptr)
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return false;
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DeckLinkDeviceMode *mode = GetDevice()->FindOutputMode(modeId);
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if (mode == nullptr) {
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instance = nullptr;
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return false;
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}
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if (!instance->StartOutput(mode)) {
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instance = nullptr;
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return false;
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}
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os_atomic_inc_long(&activateRefs);
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return true;
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}
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void DeckLinkOutput::Deactivate(void)
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{
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std::lock_guard<std::recursive_mutex> lock(deviceMutex);
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if (instance)
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instance->StopOutput();
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instance = nullptr;
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os_atomic_dec_long(&activateRefs);
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}
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obs_output_t *DeckLinkOutput::GetOutput(void) const
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{
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return output;
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}
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void DeckLinkOutput::DisplayVideoFrame(video_data *frame)
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{
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instance->DisplayVideoFrame(frame);
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}
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void DeckLinkOutput::WriteAudio(audio_data *frames)
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{
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instance->WriteAudio(frames);
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}
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void DeckLinkOutput::SetSize(int width, int height)
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{
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this->width = width;
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this->height = height;
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}
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int DeckLinkOutput::GetWidth()
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{
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return width;
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}
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int DeckLinkOutput::GetHeight()
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{
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return height;
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}
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