Decklink abstraction
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@@ -3,7 +3,10 @@
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#include "DeckLinkAPI_h.h"
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#include "DeckLinkDisplayMode.h"
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#include "DeckLinkFrameTransfer.h"
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#include "DeckLinkVideoIOFormat.h"
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#include "VideoIOFormat.h"
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#include "VideoIOTypes.h"
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#include "VideoPlayoutScheduler.h"
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#include <atlbase.h>
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#include <deque>
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@@ -11,51 +14,56 @@
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class OpenGLComposite;
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class DeckLinkSession
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class DeckLinkSession : public VideoIODevice
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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(const VideoFormatSelection& videoModes, std::string& error);
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bool SelectPreferredFormats(const VideoFormatSelection& videoModes, std::string& error);
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bool ConfigureInput(OpenGLComposite* owner, HDC hdc, HGLRC hglrc, const VideoFormat& inputVideoMode, std::string& error);
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bool ConfigureOutput(OpenGLComposite* owner, HDC hdc, HGLRC hglrc, const VideoFormat& outputVideoMode, bool externalKeyingEnabled, std::string& error);
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bool Start();
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bool Stop();
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void ReleaseResources() override;
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bool DiscoverDevicesAndModes(const VideoFormatSelection& videoModes, std::string& error) override;
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bool SelectPreferredFormats(const VideoFormatSelection& videoModes, std::string& error) override;
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bool ConfigureInput(InputFrameCallback callback, const VideoFormat& inputVideoMode, std::string& error) override;
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bool ConfigureOutput(OutputFrameCallback callback, const VideoFormat& outputVideoMode, bool externalKeyingEnabled, std::string& error) override;
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bool Start() override;
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bool Stop() override;
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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 inputFrameSize != outputFrameSize; }
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const FrameSize& InputFrameSize() const { return inputFrameSize; }
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const FrameSize& OutputFrameSize() const { return outputFrameSize; }
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unsigned InputFrameWidth() const { return inputFrameSize.width; }
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unsigned InputFrameHeight() const { return inputFrameSize.height; }
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unsigned OutputFrameWidth() const { return outputFrameSize.width; }
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unsigned OutputFrameHeight() const { return outputFrameSize.height; }
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VideoIOPixelFormat InputPixelFormat() const { return inputPixelFormat; }
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VideoIOPixelFormat OutputPixelFormat() const { return outputPixelFormat; }
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bool InputIsTenBit() const { return VideoIOPixelFormatIsTenBit(inputPixelFormat); }
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bool OutputIsTenBit() const { return VideoIOPixelFormatIsTenBit(outputPixelFormat); }
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unsigned InputFrameRowBytes() const { return inputFrameRowBytes; }
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unsigned OutputFrameRowBytes() const { return outputFrameRowBytes; }
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unsigned CaptureTextureWidth() const { return captureTextureWidth; }
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unsigned OutputPackTextureWidth() const { return outputPackTextureWidth; }
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const std::string& FormatStatusMessage() const { return formatStatusMessage; }
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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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bool HasInputDevice() const { return mState.hasInputDevice; }
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bool HasInputSource() const { return mState.hasInputSource; }
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void SetInputSourceMissing(bool missing) { mState.hasInputSource = !missing; }
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bool InputOutputDimensionsDiffer() const { return mState.inputFrameSize != mState.outputFrameSize; }
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const FrameSize& InputFrameSize() const { return mState.inputFrameSize; }
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const FrameSize& OutputFrameSize() const { return mState.outputFrameSize; }
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unsigned InputFrameWidth() const { return mState.inputFrameSize.width; }
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unsigned InputFrameHeight() const { return mState.inputFrameSize.height; }
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unsigned OutputFrameWidth() const { return mState.outputFrameSize.width; }
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unsigned OutputFrameHeight() const { return mState.outputFrameSize.height; }
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VideoIOPixelFormat InputPixelFormat() const { return mState.inputPixelFormat; }
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VideoIOPixelFormat OutputPixelFormat() const { return mState.outputPixelFormat; }
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bool InputIsTenBit() const { return VideoIOPixelFormatIsTenBit(mState.inputPixelFormat); }
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bool OutputIsTenBit() const { return VideoIOPixelFormatIsTenBit(mState.outputPixelFormat); }
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unsigned InputFrameRowBytes() const { return mState.inputFrameRowBytes; }
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unsigned OutputFrameRowBytes() const { return mState.outputFrameRowBytes; }
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unsigned CaptureTextureWidth() const { return mState.captureTextureWidth; }
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unsigned OutputPackTextureWidth() const { return mState.outputPackTextureWidth; }
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const std::string& FormatStatusMessage() const { return mState.formatStatusMessage; }
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const std::string& InputDisplayModeName() const { return mState.inputDisplayModeName; }
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const std::string& OutputModelName() const { return mState.outputModelName; }
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bool SupportsInternalKeying() const { return mState.supportsInternalKeying; }
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bool SupportsExternalKeying() const { return mState.supportsExternalKeying; }
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bool KeyerInterfaceAvailable() const { return mState.keyerInterfaceAvailable; }
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bool ExternalKeyingActive() const { return mState.externalKeyingActive; }
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const std::string& StatusMessage() const { return mState.statusMessage; }
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void SetStatusMessage(const std::string& message) { mState.statusMessage = message; }
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const VideoIOState& State() const override { return mState; }
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VideoIOState& MutableState() override { return mState; }
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double FrameBudgetMilliseconds() const;
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IDeckLinkMutableVideoFrame* RotateOutputFrame();
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void AccountForCompletionResult(BMDOutputFrameCompletionResult completionResult);
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bool ScheduleOutputFrame(IDeckLinkMutableVideoFrame* outputVideoFrame);
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void AccountForCompletionResult(VideoIOCompletionResult completionResult) override;
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bool BeginOutputFrame(VideoIOOutputFrame& frame) override;
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void EndOutputFrame(VideoIOOutputFrame& frame) override;
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bool ScheduleOutputFrame(const VideoIOOutputFrame& frame) override;
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void HandleVideoInputFrame(IDeckLinkVideoInputFrame* inputFrame, bool hasNoInputSource);
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void HandlePlayoutFrameCompleted(IDeckLinkVideoFrame* completedFrame, BMDOutputFrameCompletionResult completionResult);
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private:
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CComPtr<CaptureDelegate> captureDelegate;
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@@ -64,25 +72,8 @@ private:
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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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BMDTimeValue frameDuration = 0;
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BMDTimeScale frameTimescale = 0;
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unsigned totalPlayoutFrames = 0;
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FrameSize inputFrameSize;
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FrameSize outputFrameSize;
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VideoIOPixelFormat inputPixelFormat = VideoIOPixelFormat::Uyvy8;
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VideoIOPixelFormat outputPixelFormat = VideoIOPixelFormat::Uyvy8;
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unsigned inputFrameRowBytes = 0;
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unsigned outputFrameRowBytes = 0;
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unsigned captureTextureWidth = 0;
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unsigned outputPackTextureWidth = 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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std::string formatStatusMessage;
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VideoIOState mState;
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VideoPlayoutScheduler mScheduler;
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InputFrameCallback mInputFrameCallback;
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OutputFrameCallback mOutputFrameCallback;
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};
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