commit 9816016afb2a13c6a866cd047d57020566a8b9a9
author Wei Jia <wjia@google.com> Wed Feb 04 17:01:11 2015 -0800
committer Wei Jia <wjia@google.com> Tue Feb 24 16:34:11 2015 -0800
tree 176a616a7d5da21447e880158cef57516efee9c3
parent 658fc18d8e632441cd5d83a4f74b53620cbac1fe

mediaplayer: support dynamic playback rate

Bug: 19196501

Change-Id: I856b1507d5fa2cedfb645706d2435683a7d3e050

include/media/IMediaPlayer.h

diff --git a/include/media/IMediaPlayer.h b/include/media/IMediaPlayer.h
index db62cd5..4153c25 100644
--- a/include/media/IMediaPlayer.h
+++ b/include/media/IMediaPlayer.h
@@ -56,6 +56,7 @@
     virtual status_t        stop() = 0;
     virtual status_t        pause() = 0;
     virtual status_t        isPlaying(bool* state) = 0;
+    virtual status_t        setPlaybackRate(float rate) = 0;
     virtual status_t        seekTo(int msec) = 0;
     virtual status_t        getCurrentPosition(int* msec) = 0;
     virtual status_t        getDuration(int* msec) = 0;

include/media/MediaPlayerInterface.h

diff --git a/include/media/MediaPlayerInterface.h b/include/media/MediaPlayerInterface.h
index 4a6bf28..482b85f 100644
--- a/include/media/MediaPlayerInterface.h
+++ b/include/media/MediaPlayerInterface.h
@@ -156,6 +156,7 @@
     virtual status_t    stop() = 0;
     virtual status_t    pause() = 0;
     virtual bool        isPlaying() = 0;
+    virtual status_t    setPlaybackRate(float rate) { return INVALID_OPERATION; }
     virtual status_t    seekTo(int msec) = 0;
     virtual status_t    getCurrentPosition(int *msec) = 0;
     virtual status_t    getDuration(int *msec) = 0;

include/media/mediaplayer.h

diff --git a/include/media/mediaplayer.h b/include/media/mediaplayer.h
index 5830933..808e893 100644
--- a/include/media/mediaplayer.h
+++ b/include/media/mediaplayer.h
@@ -220,6 +220,7 @@
             status_t        stop();
             status_t        pause();
             bool            isPlaying();
+            status_t        setPlaybackRate(float rate);
             status_t        getVideoWidth(int *w);
             status_t        getVideoHeight(int *h);
             status_t        seekTo(int msec);
@@ -274,6 +275,7 @@
     int                         mVideoWidth;
     int                         mVideoHeight;
     int                         mAudioSessionId;
+    float                       mPlaybackRate;
     float                       mSendLevel;
     struct sockaddr_in          mRetransmitEndpoint;
     bool                        mRetransmitEndpointValid;