Merge pull request #4 from brarcher/consolidate

Consolidate FFmpeg interfacing code

Author: brarcher

app/build.gradle

@@ -25,6 +25,14 @@ android {
         disable "GoogleAppIndexingWarning"
         disable "MissingTranslation"
     }
+
+    // Starting with Android Studio 3 Robolectric is unable to find resources.
+    // The following allows it to find the resources.
+    testOptions {
+        unitTests {
+            includeAndroidResources = true
+        }
+    }
 }
 
 dependencies {
@@ -40,6 +48,7 @@ dependencies {
     compile 'commons-io:commons-io:2.5'
     compile group: 'com.google.guava', name: 'guava', version: '20.0'
     testCompile 'junit:junit:4.12'
+    testCompile "org.robolectric:robolectric:3.6.1"
 }
 
 task findbugs(type: FindBugs, dependsOn: 'assembleDebug') {

app/src/main/java/protect/videotranscoder/FFmpegResponseHandler.java

@@ -0,0 +1,84 @@
+package protect.videotranscoder;
+
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+import com.github.hiteshsondhi88.libffmpeg.ExecuteBinaryResponseHandler;
+
+public class FFmpegResponseHandler extends ExecuteBinaryResponseHandler
+{
+    private static final String TAG = "VideoTranscoder";
+
+    private final Context _context;
+    private final Intent _intentToLaunch;
+    private final long _durationMs;
+    private final ProgressDialog _progressDialog;
+
+    public FFmpegResponseHandler(Context context, Intent intent, long durationMs, ProgressDialog progressDialog)
+    {
+        _context = context;
+        _intentToLaunch = intent;
+        _durationMs = durationMs;
+        _progressDialog = progressDialog;
+    }
+
+    @Override
+    public void onFailure(String s)
+    {
+        Log.d(TAG, "Failed with output : " + s);
+    }
+
+    @Override
+    public void onSuccess(String s)
+    {
+        Log.d(TAG, "Success with output : " +s);
+        _context.startActivity(_intentToLaunch);
+    }
+
+    @Override
+    public void onProgress(String s)
+    {
+        // Progress updates look like the following:
+        // frame=   15 fps=7.1 q=2.0 size=      26kB time=00:00:00.69 bitrate= 309.4kbits/s dup=6 drop=0 speed=0.329x
+
+        Log.d(TAG, "progress : " + s);
+
+        Long currentTimeMs = null;
+
+        String [] split = s.split(" ");
+        for(String item : split)
+        {
+            if(item.startsWith("time="))
+            {
+                item = item.replace("time=", "");
+                currentTimeMs = FFmpegUtil.timestampToMs(item);
+
+                break;
+            }
+        }
+
+        if(currentTimeMs != null)
+        {
+            int percentComplete = (int)Math.floor((currentTimeMs * 100) / (float)_durationMs);
+
+            _progressDialog.setMessage(percentComplete + "%");
+        }
+    }
+
+    @Override
+    public void onStart()
+    {
+        Log.d(TAG, "Started FFmpeg command");
+        _progressDialog.setMessage("Processing...");
+        _progressDialog.show();
+    }
+
+    @Override
+    public void onFinish()
+    {
+        Log.d(TAG, "Finished command");
+        _progressDialog.dismiss();
+    }
+}