Video Cutter example using ffmpeg

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.2"
+
+    defaultConfig {
+        applicationId "com.mithi.videocutter"
+        minSdkVersion 16
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:23.2.1'
+    compile project(':FFmpegAndroid')
+    compile 'com.android.support:recyclerview-v7:23.2.1'
+    compile 'com.github.bumptech.glide:glide:3.7.0'
+}
+

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Development\Android\sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.mithi.videocutter">
+
+    <uses-feature
+        android:name="android.hardware.camera"
+        android:required="true" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name="com.mithi.videocutter.MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/mithi/videocutter/MainActivity.java

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+package com.mithi.videocutter;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+
+import com.github.hiteshsondhi88.libffmpeg.FFmpeg;
+import com.github.hiteshsondhi88.libffmpeg.LoadBinaryResponseHandler;
+import com.github.hiteshsondhi88.libffmpeg.exceptions.FFmpegNotSupportedException;
+
+import com.mithi.videocutter.fragment.RecTrimFragment;
+import com.mithi.videocutter.util.FragmentUtils;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        loadFFMpegBinary();
+        if (savedInstanceState == null) {
+            FragmentUtils.setFragment(getSupportFragmentManager(), RecTrimFragment.class);
+        }
+    }
+
+
+    private void loadFFMpegBinary() {
+        try {
+            FFmpeg.getInstance(this).loadBinary(new LoadBinaryResponseHandler() {
+                @Override
+                public void onFailure() {
+//                    showUnsupportedExceptionDialog();
+                }
+            });
+        } catch (FFmpegNotSupportedException e) {
+//            showUnsupportedExceptionDialog();
+        }
+    }
+
+
+}

app/src/main/java/com/mithi/videocutter/adapter/VideoPreviewAdapter.java

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+package com.mithi.videocutter.adapter;
+
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.bumptech.glide.Glide;
+
+import com.mithi.videocutter.R;
+import com.mithi.videocutter.model.VideoPreview;
+
+import java.util.List;
+
+public class VideoPreviewAdapter extends RecyclerView.Adapter<VideoPreviewAdapter.ViewHolder> {
+    private List<VideoPreview> mContent;
+
+    public VideoPreviewAdapter(List<VideoPreview> content) {
+        mContent = content;
+    }
+
+    @Override
+    public VideoPreviewAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.list_video_preview_item, parent, false);
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(VideoPreviewAdapter.ViewHolder holder, int position) {
+        VideoPreview videoPreview = getItem(position);
+        holder.title.setText(videoPreview.getVideoFile().getName());
+        Glide.with(holder.itemView.getContext()).load(videoPreview.getVideoFile()).centerCrop().into(holder.preview);
+    }
+
+    private VideoPreview getItem(int position) {
+        return mContent.get(position);
+    }
+
+    @Override
+    public int getItemCount() {
+        return mContent.size();
+    }
+
+    static class ViewHolder extends RecyclerView.ViewHolder {
+        TextView title;
+        ImageView preview;
+        public ViewHolder(View itemView) {
+            super(itemView);
+            title = (TextView)itemView.findViewById(R.id.title);
+            preview = (ImageView)itemView.findViewById(R.id.preview);
+        }
+    }
+}

app/src/main/java/com/mithi/videocutter/fragment/RecTrimFragment.java

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+package com.mithi.videocutter.fragment;
+
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.provider.MediaStore;
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.github.hiteshsondhi88.libffmpeg.ExecuteBinaryResponseHandler;
+
+import com.mithi.videocutter.R;
+import com.mithi.videocutter.util.AppUtils;
+import com.mithi.videocutter.util.DialogUtils;
+import com.mithi.videocutter.util.FFmpegUtils;
+import com.mithi.videocutter.util.FragmentUtils;
+
+public class RecTrimFragment extends Fragment {
+    private static final int REQUEST_VIDEO_CAPTURE = 1;
+    private static final String TAG = "VideoCutterLastVideo";
+    private static final int VIDEO_DURATION = 60;
+
+    private Uri mPath;
+    private ProgressDialog mProgressDialog;
+    private boolean isTriming;
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setRetainInstance(true);
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_rec_trim, container, false);
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        mProgressDialog = new ProgressDialog(getContext());
+        mProgressDialog.setCancelable(false);
+        if (isTriming) {
+            mProgressDialog.setMessage("Processing...");
+            mProgressDialog.show();
+        }
+        View view = getView();
+
+        view.findViewById(R.id.cut_video).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                trimVideo(mPath);
+            }
+        });
+
+        view.findViewById(R.id.rec_video).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                dispatchTakeVideoIntent();
+            }
+        });
+
+        view.findViewById(R.id.log_last_video).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                AppUtils.logLastVideo();
+            }
+        });
+    }
+
+    private void dispatchTakeVideoIntent() {
+        Intent takeVideoIntent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
+        if (takeVideoIntent.resolveActivity(getActivity().getPackageManager()) != null) {
+            startActivityForResult(takeVideoIntent, REQUEST_VIDEO_CAPTURE);
+        }
+    }
+
+    private void trimVideo(Uri path) {
+        if (path == null) {
+            DialogUtils.showAlert(getContext(), R.string.error, R.string.video_is_not_recorded);
+            return;
+        }
+        mProgressDialog.setMessage("Processing...");
+        mProgressDialog.show();
+        isTriming = true;
+        FFmpegUtils.trimVideo(getContext(), path, VIDEO_DURATION, new ExecuteBinaryResponseHandler() {
+            @Override
+            public void onFailure(String s) {
+                mProgressDialog.dismiss();
+                DialogUtils.showAlert(getContext(), R.string.error, R.string.trim_error);
+            }
+
+            @Override
+            public void onSuccess(String s) {
+                mProgressDialog.dismiss();
+                DialogUtils.showAlert(getContext(), R.string.app_name, R.string.trim_success);
+                FragmentUtils.addFragment(getFragmentManager(), VideoListFragment.class);
+            }
+
+            @Override
+            public void onFinish() {
+                isTriming = false;
+                mProgressDialog.dismiss();
+                AppUtils.logLastVideo();
+            }
+        });
+    }
+
+
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (requestCode == REQUEST_VIDEO_CAPTURE && resultCode == Activity.RESULT_OK) {
+            mPath = data.getData();
+        }
+    }
+}

app/src/main/java/com/mithi/videocutter/fragment/VideoListFragment.java

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+package com.mithi.videocutter.fragment;
+
+import android.os.Bundle;
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+
+import com.mithi.videocutter.R;
+import com.mithi.videocutter.adapter.VideoPreviewAdapter;
+import com.mithi.videocutter.model.VideoPreview;
+import com.mithi.videocutter.util.AppUtils;
+import com.mithi.videocutter.util.FFmpegUtils;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+public class VideoListFragment extends Fragment {
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setRetainInstance(true);
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.fragment_video_list, container, false);
+    }
+
+    @Override
+    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        RecyclerView recyclerView = (RecyclerView)getView().findViewById(R.id.recycler_view);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+        recyclerView.setAdapter(new VideoPreviewAdapter(getVideoPreviews()));
+        getView().findViewById(R.id.log_last_video).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                AppUtils.logLastVideo();
+            }
+        });
+    }
+
+    private List<VideoPreview> getVideoPreviews() {
+        List<VideoPreview> list = new ArrayList<>();
+
+        File cutterOutputDir = new File(FFmpegUtils.getVideoCutterOutputDir());
+
+        for (File file: cutterOutputDir.listFiles()) {
+            VideoPreview videoPreview = new VideoPreview(file);
+            list.add(videoPreview);
+        }
+
+        return list;
+    }
+}

app/src/main/java/com/mithi/videocutter/model/VideoPreview.java

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+package com.mithi.videocutter.model;
+
+
+import java.io.File;
+
+public class VideoPreview {
+    private File mVideoFile;
+
+    public VideoPreview(File file) {
+        mVideoFile = file;
+    }
+
+    public File getVideoFile() {
+        return mVideoFile;
+    }
+}

app/src/main/java/com/mithi/videocutter/util/AppUtils.java

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+package com.mithi.videocutter.util;
+
+import android.util.Log;
+
+import java.io.File;
+
+public class AppUtils {
+    private static final String TAG = "VideoCutterLastVideo";
+    public static void logLastVideo() {
+        File dir = new File(FFmpegUtils.getVideoCutterOutputDir());
+        if (dir.exists()) {
+            File[] list = dir.listFiles();
+            if (list != null && list.length > 0) {
+                Log.d(TAG, "" + list[list.length - 1].getName());
+            }
+        }
+    }
+}