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//VideoFrameObserver.h
#include "CoreMinimal.h"
#include <functional>
#include "AgoraMediaEngine.h"
class AGORAVIDEOCALL_API VideoFrameObserver : public agora::media::IVideoFrameObserver
{
public:
 virtual ~VideoFrameObserver() = default;
public:
 bool onCaptureVideoFrame(VideoFrame& videoFrame) override;
 bool onRenderVideoFrame(unsigned int uid, VideoFrame& videoFrame) override;
 void setOnCaptureVideoFrameCallback(
 std::function<void(std::uint8_t*, std::uint32_t, std::uint32_t, std::uint32_t)> callback);
 void setOnRenderVideoFrameCallback(
 std::function<void(std::uint8_t*, std::uint32_t, std::uint32_t, std::uint32_t)> callback);
 virtual VIDEO_FRAME_TYPE getVideoFormatPreference() override { return FRAME_TYPE_RGBA; }
private:
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