Add synthetic v210 feed source

2026-05-19 14:56:13 +03:00
parent 70b536e014
commit 1f45a72638
6 changed files with 337 additions and 1 deletions
@@ -0,0 +1,55 @@
+#pragma once
+
+#include "IVideoFeed.hpp"
+
+#include <cstddef>
+#include <cstdint>
+#include <vector>
+
+class SyntheticV210Feed : public IVideoFeed
+{
+public:
+    SyntheticV210Feed(
+        uint32_t feedIndex,
+        uint32_t frameWidth,
+        uint32_t frameHeight);
+
+    const VideoFrame& getFrame(uint32_t frameCounter) override;
+    FeedRuntimeStatus status() const override;
+    std::string displayName() const override;
+    std::string sourceInfo() const override;
+    uint64_t frameVersion() const override;
+    bool hasGrainIndex() const override;
+    uint64_t grainIndex() const override;
+    bool hasFrameRate() const override;
+    double frameRate() const override;
+    float srcAspectRatio() const override;
+    bool hasV210() const override;
+    const uint8_t* v210Data() const override;
+    bool supportsDirectV210Read() const override;
+    bool readV210FrameInto(
+        uint32_t frameCounter,
+        void* destination,
+        size_t destinationSize) override;
+    uint32_t v210Width() const override;
+    uint32_t v210Height() const override;
+    uint32_t v210Stride() const override;
+
+private:
+    uint64_t syntheticIndex(uint32_t frameCounter) const;
+    void generatePayloads();
+    void encodeLine(
+        uint32_t y,
+        uint32_t patternIndex,
+        uint8_t* line) const;
+
+    uint32_t mFeedIndex = 0;
+    uint32_t mSourceWidth = 1920;
+    uint32_t mSourceHeight = 1080;
+    uint32_t mSourceStride = 0;
+    double mFrameRate = 60.0;
+    uint64_t mFrameVersion = 0;
+    uint64_t mGrainIndex = 0;
+    std::vector<std::vector<uint8_t>> mPayloads;
+    VideoFrame mFrame;
+};