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Aiden
2026-05-11 15:59:29 +10:00
parent a9b08f7f27
commit 6e600be112
14 changed files with 550 additions and 57 deletions
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20
apps/LoopThroughWithOpenGLCompositing/videoio/VideoBackend.h
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@@ -10,12 +10,13 @@
class HealthTelemetry;
class OpenGLVideoIOBridge;
class RenderEngine;
class RuntimeEventDispatcher;
class VideoIODevice;
class VideoBackend
{
public:
VideoBackend(RenderEngine& renderEngine, HealthTelemetry& healthTelemetry);
VideoBackend(RenderEngine& renderEngine, HealthTelemetry& healthTelemetry, RuntimeEventDispatcher& runtimeEventDispatcher);
~VideoBackend();
void ReleaseResources();
@@ -57,10 +58,27 @@ private:
void HandleInputFrame(const VideoIOFrame& frame);
void HandleOutputFrameCompletion(const VideoIOCompletion& completion);
void RecordFramePacing(VideoIOCompletionResult completionResult);
void PublishBackendStateChanged(const std::string& state, const std::string& message);
void PublishInputSignalChanged(const VideoIOFrame& frame, const VideoIOState& state);
void PublishInputFrameArrived(const VideoIOFrame& frame);
void PublishOutputFrameScheduled(const VideoIOOutputFrame& frame);
void PublishOutputFrameCompleted(const VideoIOCompletion& completion);
void PublishTimingSample(const std::string& subsystem, const std::string& metric, double value, const std::string& unit);
static std::string CompletionResultName(VideoIOCompletionResult result);
static std::string PixelFormatName(VideoIOPixelFormat pixelFormat);
HealthTelemetry& mHealthTelemetry;
RuntimeEventDispatcher& mRuntimeEventDispatcher;
std::unique_ptr<VideoIODevice> mVideoIODevice;
std::unique_ptr<OpenGLVideoIOBridge> mBridge;
uint64_t mInputFrameIndex = 0;
uint64_t mOutputFrameScheduleIndex = 0;
uint64_t mOutputFrameCompletionIndex = 0;
bool mHasLastInputSignal = false;
bool mLastInputSignal = false;
unsigned mLastInputSignalWidth = 0;
unsigned mLastInputSignalHeight = 0;
std::string mLastInputSignalModeName;
std::chrono::steady_clock::time_point mLastPlayoutCompletionTime;
double mCompletionIntervalMilliseconds = 0.0;
double mSmoothedCompletionIntervalMilliseconds = 0.0;