判断待处理文件是否存在

判断待处理文件是否存在

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

@@ -135,6 +135,9 @@ public class AudioHandleActivity extends AppCompatActivity implements View.OnCli
      */
     private void doHandleAudio(int handleType){
         String[] commandLine = null;
+        if (!FileUtil.checkFileExist(srcFile)){
+            return;
+        }
         switch (handleType){
             case 0://转码
                 String transformFile = PATH + File.separator + "transform.aac";
@@ -145,10 +148,16 @@ public class AudioHandleActivity extends AppCompatActivity implements View.OnCli
                 commandLine = FFmpegUtil.cutAudio(srcFile, 10, 15, cutFile);
                 break;
             case 2://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）
+                if (!FileUtil.checkFileExist(appendFile)){
+                    return;
+                }
                 String concatFile = PATH + File.separator + "concat.mp3";
                 commandLine = FFmpegUtil.concatAudio(srcFile, appendFile, concatFile);
                 break;
             case 3://混合
+                if (!FileUtil.checkFileExist(appendFile)){
+                    return;
+                }
                 String mixFile = PATH + File.separator + "mix.aac";
                 commandLine = FFmpegUtil.mixAudio(srcFile, appendFile, mixFile);
                 break;
@@ -182,6 +191,10 @@ public class AudioHandleActivity extends AppCompatActivity implements View.OnCli
                 String srcPCM = PATH + File.separator + "audio.pcm";//第一个pcm文件
                 String appendPCM = PATH + File.separator + "audio.pcm";//第二个pcm文件
                 String concatPCM = PATH + File.separator + "concat.pcm";//合并后的文件
+                if (!FileUtil.checkFileExist(srcPCM) || !FileUtil.checkFileExist(appendPCM)){
+                    return;
+                }
+
                 mHandler.obtainMessage(MSG_BEGIN).sendToTarget();
                 FileUtil.concatFile(srcPCM, appendPCM, concatPCM);
                 mHandler.obtainMessage(MSG_FINISH).sendToTarget();

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

@@ -18,6 +18,8 @@ import com.frank.ffmpeg.R;
 import com.frank.ffmpeg.VideoPlayer;
 import com.frank.ffmpeg.adapter.HorizontalAdapter;
 import com.frank.ffmpeg.listener.OnItemClickListener;
+import com.frank.ffmpeg.util.FileUtil;
+
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -127,6 +129,10 @@ public class FilterActivity extends AppCompatActivity implements SurfaceHolder.C
             public void onItemClick(int position) {
                 if(!surfaceCreated)
                     return;
+                if (!FileUtil.checkFileExist(VIDEO_PATH)){
+                    return;
+                }
+
                 final int mPosition = position;
                 new Thread(new Runnable() {
                     @Override

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

@@ -14,6 +14,8 @@ import android.widget.ProgressBar;
 import com.frank.ffmpeg.FFmpegCmd;
 import com.frank.ffmpeg.R;
 import com.frank.ffmpeg.util.FFmpegUtil;
+import com.frank.ffmpeg.util.FileUtil;
+
 import java.io.File;
 
 /**
@@ -139,6 +141,9 @@ public class MediaHandleActivity extends AppCompatActivity implements View.OnCli
         String[] commandLine = null;
         switch (handleType){
             case 0://音视频合成
+                if (!FileUtil.checkFileExist(videoFile)){
+                    return;
+                }
                 try {
                     //视频文件有音频,先把纯视频文件抽取出来
                     commandLine = FFmpegUtil.extractVideo(videoFile, temp);
@@ -148,10 +153,16 @@ public class MediaHandleActivity extends AppCompatActivity implements View.OnCli
                 }
                 break;
             case 1://提取音频
+                if (!FileUtil.checkFileExist(srcFile)){
+                    return;
+                }
                 String extractAudio = PATH + File.separator + "extractAudio.aac";
                 commandLine = FFmpegUtil.extractAudio(srcFile, extractAudio);
                 break;
             case 2://提取视频
+                if (!FileUtil.checkFileExist(srcFile)){
+                    return;
+                }
                 String extractVideo = PATH + File.separator + "extractVideo.mp4";
                 commandLine = FFmpegUtil.extractVideo(srcFile, extractVideo);
                 break;

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

@@ -8,6 +8,8 @@ import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import com.frank.ffmpeg.MediaPlayer;
 import com.frank.ffmpeg.R;
+import com.frank.ffmpeg.util.FileUtil;
+
 import java.io.File;
 
 /**
@@ -45,7 +47,10 @@ public class MediaPlayerActivity extends AppCompatActivity implements SurfaceHol
 
     @Override
     public void surfaceCreated(SurfaceHolder holder) {
-        Log.i(TAG, "surfaceCreated");
+        if (!FileUtil.checkFileExist(filePath)){
+            return;
+        }
+
         new Thread(new Runnable() {
             @Override
             public void run() {

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

@@ -15,6 +15,7 @@ import com.frank.ffmpeg.FFmpegCmd;
 import com.frank.ffmpeg.R;
 import com.frank.ffmpeg.format.VideoLayout;
 import com.frank.ffmpeg.util.FFmpegUtil;
+import com.frank.ffmpeg.util.FileUtil;
 
 import java.io.File;
 
@@ -150,12 +151,21 @@ public class VideoHandleActivity extends AppCompatActivity implements View.OnCli
      */
     private void doHandleVideo(int handleType){
         String[] commandLine = null;
+        if (!FileUtil.checkFileExist(srcFile) || !FileUtil.checkFileExist(appendVideo)){
+            return;
+        }
         switch (handleType){
             case 0://视频转码:mp4转flv、wmv, 或者flv、wmv转Mp4
+                if (!FileUtil.checkFileExist(srcFile)){
+                    return;
+                }
                 String transformVideo = PATH + File.separator + "transformVideo.flv";
                 commandLine = FFmpegUtil.transformVideo(srcFile, transformVideo);
                 break;
             case 1://视频剪切
+                if (!FileUtil.checkFileExist(srcFile)){
+                    return;
+                }
                 String cutVideo = PATH + File.separator + "cutVideo.mp4";
                 int startTime = 0;
                 int duration = 20;
@@ -181,11 +191,17 @@ public class VideoHandleActivity extends AppCompatActivity implements View.OnCli
 //                commandLine = FFmpegUtil.concatVideo(srcFile, concatFile.getAbsolutePath(), concatVideo);
                 break;
             case 3://视频截图
+                if (!FileUtil.checkFileExist(srcFile)){
+                    return;
+                }
                 String screenShot = PATH + File.separator + "screenShot.jpg";
                 String size = "1080x720";
                 commandLine = FFmpegUtil.screenShot(srcFile, size, screenShot);
                 break;
             case 4://视频添加水印
+                if (!FileUtil.checkFileExist(appendVideo)){
+                    return;
+                }
                 //1、图片
                 String photo = PATH + File.separator + "launcher.png";
                 String photoMark = PATH + File.separator + "photoMark.mp4";
@@ -199,6 +215,9 @@ public class VideoHandleActivity extends AppCompatActivity implements View.OnCli
                 //commandLine = FFmpegUtil.addWaterMark(appendVideo, photo, textMark);
                 break;
             case 5://视频转成gif
+                if (!FileUtil.checkFileExist(srcFile)){
+                    return;
+                }
                 String Video2Gif = PATH + File.separator + "Video2Gif.gif";
                 int gifStart = 30;
                 int gifDuration = 5;
@@ -213,6 +232,9 @@ public class VideoHandleActivity extends AppCompatActivity implements View.OnCli
             case 7://图片合成视频
                 //图片所在路径，图片命名格式img+number.jpg
                 String picturePath = PATH + File.separator + "img/";
+                if (!FileUtil.checkFileExist(picturePath)){
+                    return;
+                }
                 String combineVideo = PATH + File.separator + "combineVideo.mp4";
                 commandLine = FFmpegUtil.pictureToVideo(picturePath, combineVideo);
                 break;
@@ -223,11 +245,17 @@ public class VideoHandleActivity extends AppCompatActivity implements View.OnCli
                 String input1 = PATH + File.separator + "input1.mp4";
                 String input2 = PATH + File.separator + "input2.mp4";
                 String outputFile = PATH + File.separator + "multi.mp4";
+                if (!FileUtil.checkFileExist(input1) || !FileUtil.checkFileExist(input2)){
+                    return;
+                }
                 commandLine = FFmpegUtil.multiVideo(input1, input2, outputFile, VideoLayout.LAYOUT_HORIZONTAL);
                 break;
             case 10://视频反序倒播
                 String input = PATH + File.separator + "beyond.mp4";
                 String output = PATH + File.separator + "reverse.mp4";
+                if (!FileUtil.checkFileExist(input) || !FileUtil.checkFileExist(output)){
+                    return;
+                }
                 commandLine = FFmpegUtil.reverseVideo(input, output);
                 break;
             default:

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

@@ -8,9 +8,11 @@ import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 import android.view.View;
 import android.widget.Button;
+import android.widget.Toast;
 
 import com.frank.ffmpeg.R;
 import com.frank.ffmpeg.VideoPlayer;
+import com.frank.ffmpeg.util.FileUtil;
 
 import java.io.File;
 
@@ -75,6 +77,10 @@ public class VideoPlayerActivity extends AppCompatActivity implements SurfaceHol
         new Thread(new Runnable() {
             @Override
             public void run() {
+                if (!FileUtil.checkFileExist(filePath)){
+                    return;
+                }
+
                 videoPlayer.play(filePath, surfaceHolder.getSurface());
             }
         }).start();