commit 7070b36549d511d6627538c73dfbab23fbae5b43
author Eric Laurent <elaurent@google.com> Fri Jul 16 07:43:46 2010 -0700
committer Eric Laurent <elaurent@google.com> Wed Jul 21 06:28:01 2010 -0700
tree 4a489b863b322e28f7047d7873b17a77056f3b41
parent d7514ec6eb17d262d6f9605a2c2f245b7ad7c0b9

Added support for auxiliary audio effects to AudioTrack and MediaPlayer.

Added methods to AudioTrack and MediaPlayer java classes to enable use of
auxiliary audio effects. The effect can be attached and detached by specifying its
ID and the send level controlled.

Change-Id: Ie74ff54a453096a742688476f612ce355543b6f3

media/libmediaplayerservice/MediaPlayerService.h

diff --git a/media/libmediaplayerservice/MediaPlayerService.h b/media/libmediaplayerservice/MediaPlayerService.h
index 39f525e..a967ee2 100644
--- a/media/libmediaplayerservice/MediaPlayerService.h
+++ b/media/libmediaplayerservice/MediaPlayerService.h
@@ -91,6 +91,8 @@
         virtual void            close();
                 void            setAudioStreamType(int streamType) { mStreamType = streamType; }
                 void            setVolume(float left, float right);
+                status_t        setAuxEffectSendLevel(float level);
+                status_t        attachAuxEffect(int effectId);
         virtual status_t        dump(int fd, const Vector<String16>& args) const;
 
         static bool             isOnEmulator();
@@ -109,7 +111,8 @@
         float                   mMsecsPerFrame;
         uint32_t                mLatency;
         int                     mSessionId;
-
+        float                   mSendLevel;
+        int                     mAuxEffectId;
         static bool             mIsOnEmulator;
         static int              mMinBufferCount;  // 12 for emulator; otherwise 4
 
@@ -221,6 +224,8 @@
                                             Parcel *reply);
         virtual status_t        suspend();
         virtual status_t        resume();
+        virtual status_t        setAuxEffectSendLevel(float level);
+        virtual status_t        attachAuxEffect(int effectId);
 
         sp<MediaPlayerBase>     createPlayer(player_type playerType);