SnapdragonCamera: request audio focus before starting video recording

Use audio focus API to stop other music streams when starting
video recording.

Change-Id: I0097d0c2bd7157bc1936b9120bbe7c917b9707ee
CRs-Fixed: 1005855

1 files changed, 12 insertions, 7 deletions

diff --git a/src/com/android/camera/VideoModule.java b/src/com/android/camera/VideoModule.java
index 85be83d9c..f305c5f3d 100644
--- a/src/com/android/camera/VideoModule.java
+++ b/src/com/android/camera/VideoModule.java
@@ -38,6 +38,7 @@ import android.location.Location;
 import android.media.CamcorderProfile;
 import android.media.CameraProfile;
 import android.media.MediaRecorder;
+import android.media.AudioManager;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -1837,13 +1838,17 @@ public class VideoModule implements CameraModule,
      * Make sure we're not recording music playing in the background, ask the
      * MediaPlaybackService to pause playback.
      */
-    private void pauseAudioPlayback() {
-        // Shamelessly copied from MediaPlaybackService.java, which
-        // should be public, but isn't.
-        Intent i = new Intent("com.android.music.musicservicecommand");
-        i.putExtra("command", "pause");
+    private void requestAudioFocus() {
+        AudioManager am = (AudioManager)mActivity.getSystemService(Context.AUDIO_SERVICE);
 
-        mActivity.sendBroadcast(i);
+        // Send request to obtain audio focus. This will stop other
+        // music stream.
+        int result = am.requestAudioFocus(null, AudioManager.STREAM_MUSIC,
+                                 AudioManager.AUDIOFOCUS_GAIN);
+
+        if (result == AudioManager.AUDIOFOCUS_REQUEST_FAILED) {
+            Log.v(TAG, "Audio focus request failed");
+        }
     }
 
     // For testing.
@@ -1904,7 +1909,7 @@ public class VideoModule implements CameraModule,
             return false;
         }
 
-        pauseAudioPlayback();
+        requestAudioFocus();
 
         try {
             mMediaRecorder.start(); // Recording is now started