ui修改

screenshot.h

@@ -0,0 +1,32 @@
+#ifndef SCREENSHOT_H
+#define SCREENSHOT_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include "libavformat/avformat.h"
+#include "libavcodec/avcodec.h"
+#include "libavformat/avio.h"
+#include "libavutil/opt.h"
+#include "libswscale/swscale.h"
+#include "libavutil/imgutils.h"
+//#include <strings.h>
+#include <stdio.h>
+#ifdef __cplusplus
+}
+#endif
+
+class ScreenShot
+{
+public:
+    ScreenShot();
+    /**
+     * @brief SaveJpeg 将frame保存位jpeg图片
+     * @param src_frame 要保存的帧
+     * @param file_name 保存的图片路径
+     * @param jpeg_quality  图片质量
+     * @return
+     */
+    int SaveJpeg(AVFrame *src_frame, const char* file_name, int jpeg_quality);
+};
+
+#endif // SCREENSHOT_H