73 lines
3.3 KiB
C++
73 lines
3.3 KiB
C++
#pragma once
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#include "DeckLinkAPI_h.h"
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#include "DeckLinkFrameTransfer.h"
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#include <atlbase.h>
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#include <deque>
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#include <string>
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class OpenGLComposite;
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class DeckLinkSession
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{
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public:
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DeckLinkSession() = default;
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~DeckLinkSession();
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void ReleaseResources();
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bool DiscoverDevicesAndModes(BMDDisplayMode inputDisplayMode, BMDDisplayMode outputDisplayMode, const std::string& requestedInputDisplayModeName, const std::string& requestedOutputDisplayModeName, std::string& error);
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bool ConfigureInput(OpenGLComposite* owner, HDC hdc, HGLRC hglrc, BMDDisplayMode inputDisplayMode, std::string& error);
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bool ConfigureOutput(OpenGLComposite* owner, HDC hdc, HGLRC hglrc, BMDDisplayMode outputDisplayMode, bool externalKeyingEnabled, std::string& error);
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bool Start();
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bool Stop();
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bool HasInputDevice() const { return input != nullptr; }
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bool HasInputSource() const { return !hasNoInputSource; }
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void SetInputSourceMissing(bool missing) { hasNoInputSource = missing; }
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bool InputOutputDimensionsDiffer() const { return inputFrameWidth != outputFrameWidth || inputFrameHeight != outputFrameHeight; }
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unsigned InputFrameWidth() const { return inputFrameWidth; }
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unsigned InputFrameHeight() const { return inputFrameHeight; }
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unsigned OutputFrameWidth() const { return outputFrameWidth; }
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unsigned OutputFrameHeight() const { return outputFrameHeight; }
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const std::string& InputDisplayModeName() const { return inputDisplayModeName; }
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const std::string& OutputModelName() const { return outputModelName; }
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bool SupportsInternalKeying() const { return supportsInternalKeying; }
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bool SupportsExternalKeying() const { return supportsExternalKeying; }
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bool KeyerInterfaceAvailable() const { return keyerInterfaceAvailable; }
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bool ExternalKeyingActive() const { return externalKeyingActive; }
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const std::string& StatusMessage() const { return statusMessage; }
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void SetStatusMessage(const std::string& message) { statusMessage = message; }
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double FrameBudgetMilliseconds() const;
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IDeckLinkMutableVideoFrame* RotateOutputFrame();
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bool TransferPlayoutFrame(void* address, GLuint outputTexture);
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void WaitForPlayoutTransferComplete(void* address);
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void AccountForCompletionResult(BMDOutputFrameCompletionResult completionResult);
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bool ScheduleOutputFrame(IDeckLinkMutableVideoFrame* outputVideoFrame);
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private:
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CComPtr<CaptureDelegate> captureDelegate;
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CComPtr<PlayoutDelegate> playoutDelegate;
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CComPtr<IDeckLinkInput> input;
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CComPtr<IDeckLinkOutput> output;
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CComPtr<IDeckLinkKeyer> keyer;
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std::deque<CComPtr<IDeckLinkMutableVideoFrame>> outputVideoFrameQueue;
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CComPtr<PinnedMemoryAllocator> playoutAllocator;
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BMDTimeValue frameDuration = 0;
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BMDTimeScale frameTimescale = 0;
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unsigned totalPlayoutFrames = 0;
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unsigned inputFrameWidth = 0;
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unsigned inputFrameHeight = 0;
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unsigned outputFrameWidth = 0;
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unsigned outputFrameHeight = 0;
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std::string inputDisplayModeName = "1080p59.94";
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std::string outputDisplayModeName = "1080p59.94";
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bool hasNoInputSource = true;
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std::string outputModelName;
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bool supportsInternalKeying = false;
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bool supportsExternalKeying = false;
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bool keyerInterfaceAvailable = false;
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bool externalKeyingActive = false;
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std::string statusMessage;
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};
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