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Video backend
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Aiden
2026-05-09 14:15:49 +10:00
parent 98f5cbe309
commit 4ffbb97abf
21 changed files with 512 additions and 275 deletions
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38
apps/LoopThroughWithOpenGLCompositing/videoio/decklink/DeckLinkSession.h
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@@ -20,41 +20,14 @@ public:
DeckLinkSession() = default;
~DeckLinkSession();
VideoIOBackendId BackendId() const override { return VideoIOBackendId::DeckLink; }
void ReleaseResources() override;
bool DiscoverDevicesAndModes(const VideoFormatSelection& videoModes, std::string& error) override;
bool SelectPreferredFormats(const VideoFormatSelection& videoModes, bool outputAlphaRequired, std::string& error) override;
bool ConfigureInput(InputFrameCallback callback, const VideoFormat& inputVideoMode, std::string& error) override;
bool ConfigureOutput(OutputFrameCallback callback, const VideoFormat& outputVideoMode, bool externalKeyingEnabled, std::string& error) override;
bool DiscoverDevicesAndModes(const VideoIOConfiguration& config, std::string& error) override;
bool SelectPreferredFormats(const VideoIOConfiguration& config, std::string& error) override;
bool ConfigureInput(InputFrameCallback callback, std::string& error) override;
bool ConfigureOutput(OutputFrameCallback callback, std::string& error) override;
bool Start() override;
bool Stop() override;
bool HasInputDevice() const { return mState.hasInputDevice; }
bool HasInputSource() const { return mState.hasInputSource; }
void SetInputSourceMissing(bool missing) { mState.hasInputSource = !missing; }
bool InputOutputDimensionsDiffer() const { return mState.inputFrameSize != mState.outputFrameSize; }
const FrameSize& InputFrameSize() const { return mState.inputFrameSize; }
const FrameSize& OutputFrameSize() const { return mState.outputFrameSize; }
unsigned InputFrameWidth() const { return mState.inputFrameSize.width; }
unsigned InputFrameHeight() const { return mState.inputFrameSize.height; }
unsigned OutputFrameWidth() const { return mState.outputFrameSize.width; }
unsigned OutputFrameHeight() const { return mState.outputFrameSize.height; }
VideoIOPixelFormat InputPixelFormat() const { return mState.inputPixelFormat; }
VideoIOPixelFormat OutputPixelFormat() const { return mState.outputPixelFormat; }
bool InputIsTenBit() const { return VideoIOPixelFormatIsTenBit(mState.inputPixelFormat); }
bool OutputIsTenBit() const { return VideoIOPixelFormatIsTenBit(mState.outputPixelFormat); }
unsigned InputFrameRowBytes() const { return mState.inputFrameRowBytes; }
unsigned OutputFrameRowBytes() const { return mState.outputFrameRowBytes; }
unsigned CaptureTextureWidth() const { return mState.captureTextureWidth; }
unsigned OutputPackTextureWidth() const { return mState.outputPackTextureWidth; }
const std::string& FormatStatusMessage() const { return mState.formatStatusMessage; }
const std::string& InputDisplayModeName() const { return mState.inputDisplayModeName; }
const std::string& OutputModelName() const { return mState.outputModelName; }
bool SupportsInternalKeying() const { return mState.supportsInternalKeying; }
bool SupportsExternalKeying() const { return mState.supportsExternalKeying; }
bool KeyerInterfaceAvailable() const { return mState.keyerInterfaceAvailable; }
bool ExternalKeyingActive() const { return mState.externalKeyingActive; }
const std::string& StatusMessage() const { return mState.statusMessage; }
void SetStatusMessage(const std::string& message) { mState.statusMessage = message; }
const VideoIOState& State() const override { return mState; }
VideoIOState& MutableState() override { return mState; }
double FrameBudgetMilliseconds() const;
@@ -76,4 +49,5 @@ private:
VideoPlayoutScheduler mScheduler;
InputFrameCallback mInputFrameCallback;
OutputFrameCallback mOutputFrameCallback;
DeckLinkVideoModeSelection mConfiguredModes;
};