Report progress as a completion percentage

Author: brarcher

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

@@ -13,12 +13,14 @@ public class FFmpegResponseHandler extends ExecuteBinaryResponseHandler
 
     private final Context _context;
     private final Intent _intentToLaunch;
+    private final long _durationMs;
     private final ProgressDialog _progressDialog;
 
-    public FFmpegResponseHandler(Context context, Intent intent, ProgressDialog progressDialog)
+    public FFmpegResponseHandler(Context context, Intent intent, long durationMs, ProgressDialog progressDialog)
     {
         _context = context;
         _intentToLaunch = intent;
+        _durationMs = durationMs;
         _progressDialog = progressDialog;
     }
 
@@ -38,8 +40,31 @@ public void onSuccess(String s)
     @Override
     public void onProgress(String s)
     {
-        _progressDialog.setMessage("progress : " + 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

app/src/main/java/protect/videotranscoder/activity/MainActivity.java

@@ -425,7 +425,7 @@ private void executeCutVideoCommand(int startMs, int endMs)
         Intent successIntent = new Intent(MainActivity.this, PreviewActivity.class);
         successIntent.putExtra(FILEPATH, filePath);
 
-        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, progressDialog);
+        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, durationMs, progressDialog);
         FFmpegUtil.call(complexCommand, handler);
     }
 
@@ -458,7 +458,7 @@ private void executeCompressCommand()
 
         Intent successIntent = new Intent(MainActivity.this, PreviewActivity.class);
         successIntent.putExtra(FILEPATH, filePath);
-        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, progressDialog);
+        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, durationMs, progressDialog);
 
         FFmpegUtil.call(complexCommand, handler);
     }
@@ -504,7 +504,7 @@ private void extractImagesVideo(int startMs, int endMs)
 
         Intent successIntent = new Intent(MainActivity.this, PreviewImageActivity.class);
         successIntent.putExtra(FILEPATH, filePath);
-        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, progressDialog);
+        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, durationMs, progressDialog);
 
         FFmpegUtil.call(complexCommand, handler);
     }
@@ -537,7 +537,7 @@ private void extractAudioVideo()
 
         Intent successIntent = new Intent(MainActivity.this, AudioPreviewActivity.class);
         successIntent.putExtra(FILEPATH, filePath);
-        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, progressDialog);
+        FFmpegResponseHandler handler = new FFmpegResponseHandler(this, successIntent, durationMs, progressDialog);
 
         FFmpegUtil.call(complexCommand, handler);
     }