更新ffmpeg-command 1.0.9

AnJoiner · Dec 30, 2019 · de72faf · de72faf
1 parent 4b6edb3
commit de72faf
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diff --git a/app/src/main/java/com/coder/ffmpegtest/ui/FFmpegCommandActivity.java b/app/src/main/java/com/coder/ffmpegtest/ui/FFmpegCommandActivity.java
@@ -195,6 +195,9 @@ public void itemClick(int position) {
                     case 31:
                         videoScale();
                         break;
+                    case 32:
+                        frame2Image();
+                        break;
                 }
             }
         });
@@ -431,6 +434,12 @@ private void videoScale() {
     }
 
 
+    private void frame2Image(){
+        targetPath = getExternalCacheDir() + File.separator + "target.png";
+        FFmpegCommand.runAsync(FFmpegUtils.frame2Image(mVideoPath,targetPath,"00:00:10.234"),callback("获取一帧图片成功",targetPath));
+    }
+
+
     private CommonCallBack callback(final String msg, final String targetPath) {
         return new CommonCallBack() {
             @Override

diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
@@ -33,6 +33,7 @@
         <item>视频对比度</item>
         <item>视频旋转</item>
         <item>视频缩放</item>
+        <item>视频获取一帧图片</item>
     </string-array>
 
 </resources>
diff --git a/ffmpeg/src/main/java/com/coder/ffmpeg/utils/FFmpegUtils.java b/ffmpeg/src/main/java/com/coder/ffmpeg/utils/FFmpegUtils.java
@@ -749,4 +749,30 @@ public static String[] videoRotation(String srcFile, String targetFile,@Transpos
         command = String.format(Locale.CHINA,command,srcFile,transpose,targetFile);
         return command.split(" ");
     }
+
+
+    /**
+     * 从视频中获取一帧输出图片
+     * @param srcFile 源文件
+     * @param targetFile  目标文件（png 或 jpg）
+     * @param time 一帧的时间：hh:mm:ss.xxx
+     * @return 从视频中获取一帧输出图片命令行
+     */
+    public static String[] frame2Image(String srcFile, String targetFile, String time){
+        String command = "ffmpeg -y -i %s -ss %s -vframes 1 %s";
+        command = String.format(command, srcFile,time, targetFile);
+        return command.split(" ");
+    }
+
+    /**
+     * 将音频进行fdk_aac编码
+     * @param srcFile 音频源文件
+     * @param targetFile 音频输出文件（m4a或aac）
+     * @return 将音频进行fdk_aac编码命令
+     */
+    public static String[] audio2Fdkaac(String srcFile,String targetFile){
+        String command = "ffmpeg -y -i %s -c:a libfdk_aac %s";
+        command = String.format(command, srcFile, targetFile);
+        return command.split(" ");
+    }
 }