视频转gif:设置分辨率、帧率来提高质量

视频转gif:设置分辨率、帧率来提高质量

app/src/main/java/com/frank/ffmpeg/activity/VideoHandleActivity.java

@@ -156,7 +156,10 @@ public class VideoHandleActivity extends BaseActivity {
                 String Video2Gif = PATH + File.separator + "Video2Gif.gif";
                 int gifStart = 30;
                 int gifDuration = 5;
-                commandLine = FFmpegUtil.generateGif(srcFile, gifStart, gifDuration, Video2Gif);
+                String resolution = "720x1280";//240x320、480x640、1080x1920
+                int frameRate = 10;
+                commandLine = FFmpegUtil.generateGif(srcFile, gifStart, gifDuration,
+                        resolution, frameRate, Video2Gif);
                 break;
             case R.id.btn_screen_record://屏幕录制
 //                String screenRecord = PATH + File.separator + "screenRecord.mp4";

app/src/main/java/com/frank/ffmpeg/util/FFmpegUtil.java

@@ -173,14 +173,17 @@ public class FFmpegUtil {
      * @param startTime 开始时间
      * @param duration 截取时长
      * @param targetFile 目标文件
+     * @param resolution 分辨率
+     * @param frameRate 帧率
      * @return Gif文件
      */
     @SuppressLint("DefaultLocale")
-    public static  String[] generateGif(String srcFile, int startTime, int duration, String targetFile){
+    public static  String[] generateGif(String srcFile, int startTime, int duration,
-        //String screenShotCmd = "ffmpeg -i %s -vframes %d -f gif %s";
+                                        String resolution, int frameRate, String targetFile){
-        String screenShotCmd = "ffmpeg -i %s -ss %d -t %d -s 320x240 -f gif %s";
+        String generateGifCmd = "ffmpeg -i %s -ss %d -t %d -s %s -r %d -f gif %s";
-        screenShotCmd = String.format(screenShotCmd, srcFile, startTime, duration, targetFile);
+        generateGifCmd = String.format(generateGifCmd, srcFile, startTime, duration,
-        return screenShotCmd.split(" ");//以空格分割为字符串数组
+                resolution, frameRate, targetFile);
+        return generateGifCmd.split(" ");//以空格分割为字符串数组
     }
 
     /**