音视频剪切保持与原格式一致

音视频剪切保持与原格式一致

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

@@ -119,7 +119,11 @@ public class AudioHandleActivity extends BaseActivity {
                 mp3Converter.convertToMp3(inputFile, transformFile);
                 break;
             case R.id.btn_cut://剪切(注意原文件与剪切文件格式一致，文件绝对路径最好不包含中文、特殊字符)
-                String cutFile = PATH + File.separator + "cut.mp3";
+                String suffix = FileUtil.getFileSuffix(srcFile);
+                if (suffix == null || suffix.isEmpty()) {
+                    return;
+                }
+                String cutFile = PATH + File.separator + "cutAudio" + suffix;
                 commandLine = FFmpegUtil.cutAudio(srcFile, 10, 15, cutFile);
                 break;
             case R.id.btn_concat://合并，支持MP3、AAC、AMR等，不支持PCM裸流，不支持WAV（PCM裸流加音频头）

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

@@ -111,7 +111,11 @@ public class VideoHandleActivity extends BaseActivity {
                 commandLine = FFmpegUtil.transformVideo(srcFile, transformVideo);
                 break;
             case R.id.btn_video_cut://视频剪切
-                String cutVideo = PATH + File.separator + "cutVideo.mp4";
+                String suffix = FileUtil.getFileSuffix(srcFile);
+                if (suffix == null || suffix.isEmpty()) {
+                    return;
+                }
+                String cutVideo = PATH + File.separator + "cutVideo" + suffix;
                 int startTime = 0;
                 int duration = 20;
                 commandLine = FFmpegUtil.cutVideo(srcFile, startTime, duration, cutVideo);

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

@@ -137,4 +137,11 @@ public class FileUtil {
                 || path.endsWith(TYPE_MOV);
     }
 
+    public static String getFileSuffix(String fileName) {
+        if (TextUtils.isEmpty(fileName) || !fileName.contains(".")) {
+            return null;
+        }
+        return fileName.substring(fileName.lastIndexOf("."));
+    }
+
 }