Feature: Implement H.264 and AV1 hardware encoding for remote control

Remark: Need to update FFmpeg static libraries to take effort

client/X264Encoder.h

@@ -1,5 +1,7 @@
 #pragma once
 
+#include "VideoEncoderBase.h"
+
 extern "C" {
 #include <libyuv\libyuv.h>
 #include <x264\x264.h>
@@ -7,19 +9,22 @@ extern "C" {
 
 #include "common/config.h"
 
-class CX264Encoder
+class CX264Encoder : public VideoEncoderBase
 {
 private:
     x264_t*	m_pCodec;		//编码器实例
     x264_picture_t *m_pPicIn;
     x264_picture_t *m_pPicOut;
     x264_param_t    m_Param;
+    bool            m_forceIDR;  // 下一次 encode 强制 IDR
 public:
+    // 旧签名保留：被 ScreenCapture 临时直接调；新增 EncoderParams overload 走接口路径
     bool open(int width, int height, int fps, int crf);
     bool open(x264_param_t * param);
 
-    void close();
-
+    // VideoEncoderBase
+    bool open(const EncoderParams& params) override;
+    void close() override;
     int encode(
         uint8_t * rgb,
         uint8_t   bpp,
@@ -29,9 +34,11 @@ public:
         uint8_t ** lppData,
         uint32_t * lpSize,
         int        direction = 1
-    );
+    ) override;
+    void forceIDR() override { m_forceIDR = true; }
+    VideoCodec codec() const override { return VideoCodec::H264; }
+    const char* backendName() const override { return "x264"; }
 
     CX264Encoder();
-    ~CX264Encoder();
+    ~CX264Encoder() override;
 };
-