首次提交，可运行。但有两问题：1.画质不佳, 2.无音频

VideoEncoder.h

@@ -0,0 +1,68 @@
+#pragma once
+#include"DataType.h"
+extern "C"
+{
+#include <libavformat/avformat.h>
+    #include<libavcodec/avcodec.h>
+}
+
+class EncodeOutput
+{
+public:
+
+    virtual ~EncodeOutput()=default;
+
+    virtual bool Write(const void *,const uint)=0;
+};//class EncodeOutput
+
+class VideoEncoder
+{
+protected:
+
+    AVFormatContext* fmt_ctx;
+    AVCodecContext* codec_ctx;
+
+    uint width;
+    uint height;
+    AVRational frame_rate;
+    uint bit_rate;
+
+    char filename[_MAX_PATH];
+
+public:
+
+    VideoEncoder(const char *fn,const uint br)
+    {
+        strcpy_s(filename,_MAX_PATH,fn);
+
+        width=height=0;
+        bit_rate=br;
+    }
+
+    AVFormatContext* GetFrmCtx()
+    {
+        return fmt_ctx;
+    }
+
+    AVCodecContext* GetCodecCtx() {
+        return codec_ctx
+            ;
+    };
+
+    virtual ~VideoEncoder()=default;
+
+    virtual void Set(const uint w,const uint h,const AVRational &fr)
+    {
+        width=w;
+        height=h;
+        frame_rate=fr;
+    }
+
+    virtual bool Init()=0;
+
+    virtual bool WriteFrame(const uint8 *rgba_data)=0;
+
+    virtual bool Finish()=0;
+};//class VideoEncoder
+
+VideoEncoder *CreateVideoEncoder(const char *filename,const uint bit_rate,const bool);