Added timeline to video compression page

app/src/main/java/com/sample/compressor/TimelineAdapter.kt

@@ -0,0 +1,40 @@
+package com.sample.compressor
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import androidx.recyclerview.widget.RecyclerView
+
+class TimelineAdapter(context: Context) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+
+    private var bitmapList = ArrayList<Bitmap>()
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        return TimelineViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.item_timeline, parent, false))
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        if (holder is TimelineViewHolder) holder.bindView(position)
+    }
+
+    override fun getItemCount(): Int {
+        return bitmapList.size
+    }
+
+    inner class TimelineViewHolder(view: View): RecyclerView.ViewHolder(view) {
+        val timelineFrame = view.findViewById<ImageView>(R.id.iv_video_frame)
+
+        fun bindView(pos: Int) {
+            timelineFrame.setImageBitmap(bitmapList[pos])
+        }
+    }
+
+    fun updateList(data: ArrayList<Bitmap>) {
+        bitmapList.clear()
+        bitmapList.addAll(data)
+        notifyDataSetChanged()
+    }
+}

app/src/main/java/com/sample/compressor/VideoCompressActivity.java

@@ -10,7 +10,9 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.res.Configuration;
+import android.graphics.Bitmap;
 import android.graphics.Color;
+import android.media.MediaMetadataRetriever;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Environment;
@@ -27,6 +29,7 @@
 import androidx.core.app.NotificationCompat;
 import androidx.lifecycle.Observer;
 import androidx.localbroadcastmanager.content.LocalBroadcastManager;
+import androidx.recyclerview.widget.RecyclerView;
 import androidx.work.OneTimeWorkRequest;
 import androidx.work.WorkInfo;
 import androidx.work.WorkManager;
@@ -40,16 +43,21 @@
 import com.karumi.dexter.listener.PermissionGrantedResponse;
 import com.karumi.dexter.listener.single.BasePermissionListener;
 
+import org.w3c.dom.Text;
+
 import java.io.File;
 import java.net.URISyntaxException;
 import java.text.SimpleDateFormat;
+import java.util.ArrayList;
 import java.util.Date;
 import java.util.Locale;
-
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
 
 
 public class VideoCompressActivity extends AppCompatActivity {
 
+    public static final String TAG = VideoCompressActivity.class.getSimpleName();
     public static final String NOTIFICATION_CHANNEL_ID = "compressorChannel";
     //User visible Channel Name
     public static final String CHANNEL_NAME = "uploadsChannel";
@@ -64,9 +72,16 @@ public class VideoCompressActivity extends AppCompatActivity {
 
     private ProgressBar pb_compress;
     private CompressReceiver compressReceiver;
+    //
+    private TextView mediaInfo;
+    private RecyclerView timelineView;
 
     private RestartReceiver restartService;
     NotificationManager notificationManager;
+    //
+    private TimelineAdapter timelineAdapter;
+    //
+    private ProgressBar pbTimeline;
 
 
     private long startTime, endTime;
@@ -146,6 +161,14 @@ public void onClick(View view) {
         tv_progress = (TextView) findViewById(R.id.tv_progress);
 
         pb_compress = (ProgressBar) findViewById(R.id.pb_compress);
+
+        mediaInfo = (TextView) findViewById(R.id.tv_mediaInfo);
+        timelineView = findViewById(R.id.rv_timeline);
+        pbTimeline = findViewById(R.id.pb_timeline);
+
+        timelineAdapter = new TimelineAdapter(this);
+        timelineView.setAdapter(timelineAdapter);
+
     }
 
     @Override
@@ -159,6 +182,14 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                 try {
                     inputPath = Util.getFilePath(this, data.getData());
                     tv_input.setText(inputPath);
+                    //Set Media meta data info here
+                    final MediaMetadataRetriever mediaMetadataRetriever = new MediaMetadataRetriever();
+                    mediaMetadataRetriever.setDataSource(inputPath);
+                    Log.d(TAG, "media meta data received: " + mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_MIMETYPE));
+
+                    extractMediaFrames(mediaMetadataRetriever);
+
+
                 } catch (URISyntaxException e) {
                     e.printStackTrace();
                 }
@@ -169,6 +200,49 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         }
     }
 
+    private void extractMediaFrames(final MediaMetadataRetriever mediaMetadataRetriever) {
+        String result = "";
+        result += "MimeType: " + mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_MIMETYPE) + "\n";
+        result += "Duration: " + mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION) + "ms\n";
+        result += "Bitrate: " + mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_BITRATE) + "bits/s\n";
+
+        mediaInfo.setText(result);
+
+        pbTimeline.setVisibility(View.VISIBLE);
+        timelineView.setVisibility(View.GONE);
+
+        //Set an executor for background thread op
+        Executor executor = Executors.newSingleThreadExecutor();
+        executor.execute(new Runnable() {
+            @Override
+            public void run() {
+                //Prepare data source
+                long duration = Long.parseLong(mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION));
+                long currentDuration = 0L;
+
+                final ArrayList<Bitmap> frames = new ArrayList<>();
+                while (currentDuration <= duration) {
+                    //Will update every 5s
+                    frames.add(mediaMetadataRetriever.getFrameAtTime(currentDuration * 1000));
+                    currentDuration += 1000;
+                }
+                mediaMetadataRetriever.close();
+
+                VideoCompressActivity.this.runOnUiThread(new Runnable() {
+                    @Override
+                    public void run() {
+                        pbTimeline.setVisibility(View.GONE);
+                        timelineView.setVisibility(View.VISIBLE);
+                        timelineAdapter.updateList(frames);
+                        Log.d(TAG, "Bitmap list size: " + frames.size());
+                    }
+                });
+
+            }
+        });
+
+    }
+
     private Locale getLocale() {
         Configuration config = getResources().getConfiguration();
         Locale sysLocale = null;

app/src/main/res/layout/item_timeline.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_marginEnd="5dp"
+    android:orientation="vertical">
+
+    <ImageView
+        android:id="@+id/iv_video_frame"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        android:scaleType="centerCrop"/>
+</LinearLayout>

app/src/main/res/layout/video_layout.xml

@@ -2,6 +2,8 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:padding="10dp"
     android:orientation="vertical"
     android:gravity="center_horizontal">
@@ -10,6 +12,7 @@
         android:layout_width="match_parent"
         android:gravity="center_horizontal"
         android:orientation="horizontal">
+
         <Button android:id="@+id/btn_select"
             android:layout_height="wrap_content"
             android:layout_width="wrap_content"
@@ -84,4 +87,33 @@
         android:layout_width="40dp"
         android:visibility="invisible"/>
 
+    <TextView
+        android:id="@+id/tv_mediaInfo"
+        android:layout_marginTop="12dp"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        tools:text="asdsadsadsadsasadasdsadsadsd"
+        android:gravity="center"/>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <ProgressBar
+            android:id="@+id/pb_timeline"
+            android:layout_width="48dp"
+            android:layout_height="48dp"
+            android:visibility="gone"
+            android:layout_gravity="center"/>
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/rv_timeline"
+            android:layout_marginTop="20dp"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
+
+    </FrameLayout>
+
+
 </LinearLayout>

videocompressor/build/.transforms/3eb799d92dea604e06edc8e5a840907f.bin

@@ -0,0 +1 @@
+o/classes

videocompressor/build/.transforms/847e2e4dbad9168da844ff98a8effb59.bin

@@ -0,0 +1 @@
+o/classes

videocompressor/build/intermediates/incremental/mergeDebugJniLibFolders/merger.xml

@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/jniLibs"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/debug/jniLibs"/></dataSet></merger>
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/main/jniLibs"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/debug/jniLibs"/></dataSet></merger>

videocompressor/build/intermediates/incremental/mergeDebugShaders/merger.xml

@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/shaders"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/debug/shaders"/></dataSet></merger>
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/main/shaders"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/debug/shaders"/></dataSet></merger>

videocompressor/build/intermediates/incremental/packageDebugAssets/merger.xml

@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/assets"/><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/build/intermediates/shader_assets/debug/out"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/debug/assets"/></dataSet></merger>
+<merger version="3"><dataSet config="main" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/main/assets"/><source path="/Users/yash/StudioProjects/compression/videocompressor/build/intermediates/shader_assets/debug/out"/></dataSet><dataSet config="debug" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/debug/assets"/></dataSet></merger>

videocompressor/build/intermediates/incremental/packageDebugResources/compile-file-map.properties

@@ -1 +1 @@
-#Mon Apr 20 15:39:42 IST 2020
+#Mon Apr 27 11:15:21 IST 2020

videocompressor/build/intermediates/incremental/packageDebugResources/merger.xml

@@ -1,2 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<merger version="3"><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/res"/><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/build/generated/res/rs/debug"/><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/build/generated/res/resValues/debug"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main" generated-set="main$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/res"><file path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/res/values/strings.xml" qualifiers=""><string name="app_name">VideoCompressor</string></file></source><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/build/generated/res/rs/debug"/><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/build/generated/res/resValues/debug"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="debug$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/debug/res"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="debug" generated-set="debug$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/debug/res"/></dataSet><mergedItems/></merger>
+<merger version="3"><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/main/res"/><source path="/Users/yash/StudioProjects/compression/videocompressor/build/generated/res/rs/debug"/><source path="/Users/yash/StudioProjects/compression/videocompressor/build/generated/res/resValues/debug"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="main" generated-set="main$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/main/res"><file path="/Users/yash/StudioProjects/compression/videocompressor/src/main/res/values/strings.xml" qualifiers=""><string name="app_name">VideoCompressor</string></file></source><source path="/Users/yash/StudioProjects/compression/videocompressor/build/generated/res/rs/debug"/><source path="/Users/yash/StudioProjects/compression/videocompressor/build/generated/res/resValues/debug"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="debug$Generated" generated="true" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/debug/res"/></dataSet><dataSet aapt-namespace="http://schemas.android.com/apk/res-auto" config="debug" generated-set="debug$Generated" ignore_pattern="!.svn:!.git:!.ds_store:!*.scc:.*:&lt;dir>_*:!CVS:!thumbs.db:!picasa.ini:!*~"><source path="/Users/yash/StudioProjects/compression/videocompressor/src/debug/res"/></dataSet><mergedItems/></merger>

videocompressor/build/intermediates/manifest_merge_blame_file/debug/manifest-merger-blame-debug-report.txt

@@ -6,24 +6,24 @@
 6
 7    <uses-sdk
 8        android:minSdkVersion="15"
-8-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml
+8-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml
 9        android:targetSdkVersion="29" />
-9-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml
+9-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml
 10
 11    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-11-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:4:5-79
-11-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:4:22-77
+11-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:4:5-79
+11-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:4:22-77
 12    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-12-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:5:5-80
-12-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:5:22-78
+12-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:5:5-80
+12-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:5:22-78
 13
 14    <application
-14-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:7:5-8:37
+14-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:7:5-8:37
 15        android:allowBackup="true"
-15-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:7:18-44
+15-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:7:18-44
 16        android:label="@string/app_name"
-16-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:7:45-77
+16-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:7:45-77
 17        android:supportsRtl="true" />
-17-->/Users/lbb/AndroidStudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:8:9-35
+17-->/Users/yash/StudioProjects/compression/videocompressor/src/main/AndroidManifest.xml:8:9-35
 18
 19</manifest>