i420_video_renderer.hpp

//
//  i420_video_renderer.hpp
//  skyway
//
//  Created by ogura on 2025/1/10.
//  Copyright © 2025 NTT Communications. All rights reserved.
//
 
#ifndef SKYWAY_MEDIA_INTERFACE_I420_VIDEO_RENDERER_HPP_
#define SKYWAY_MEDIA_INTERFACE_I420_VIDEO_RENDERER_HPP_
 
#include <mutex>
#include <unordered_set>
 
#include "skyway/core/stream/remote/video_stream.hpp"
#include "skyway/media/interface/video_renderer.hpp"
 
namespace skyway {
namespace media {
namespace interface {
 
struct I420VideoRendererOptions {
    std::optional<int> scaled_width;
    std::optional<int> scaled_height;
};
 
struct I420Frame {
    const uint8_t* y;
    const uint8_t* u;
    const uint8_t* v;
    int stride_y;
    int stride_u;
    int stride_v;
    int width;
    int height;
 
    rtc::scoped_refptr<webrtc::I420BufferInterface> i420_buffer;
};
 
class I420VideoRenderer : public VideoRenderer {
public:
    class Listener {
    public:
        virtual ~Listener()                   = default;
        virtual void OnFrame(I420Frame frame) = 0;
    };
 
    virtual void RegisterListener(Listener* listener) = 0;
 
    virtual void UnregisterListener(Listener* listener) = 0;
 
    virtual void Render(std::shared_ptr<core::stream::remote::RemoteVideoStream> stream) = 0;
 
    // rtc::VideoSinkInterface<webrtc::VideoFrame>
    virtual void OnFrame(const webrtc::VideoFrame& frame) = 0;
};
 
}  // namespace interface
}  // namespace media
}  // namespace skyway
 
#endif /* SKYWAY_MEDIA_INTERFACE_I420_VIDEO_RENDERER_HPP_ */