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

media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h

diff --git a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
index faf3b3f..38843d5 100644
--- a/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
+++ b/media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h
@@ -48,6 +48,8 @@
 
     void queueEOS(bool audio, status_t finalResult);
 
+    void setPlaybackRate(float rate);
+
     void flush(bool audio, bool notifyComplete);
 
     void signalTimeDiscontinuity();
@@ -100,6 +102,7 @@
         kWhatPostDrainVideoQueue = 'pDVQ',
         kWhatQueueBuffer         = 'queB',
         kWhatQueueEOS            = 'qEOS',
+        kWhatSetRate             = 'setR',
         kWhatFlush               = 'flus',
         kWhatPause               = 'paus',
         kWhatResume              = 'resm',
@@ -138,6 +141,7 @@
     int32_t mVideoDrainGeneration;
 
     sp<MediaClock> mMediaClock;
+    float mPlaybackRate;
     int64_t mAudioFirstAnchorTimeMediaUs;
     int64_t mAnchorTimeMediaUs;
     int64_t mAnchorNumFramesWritten;
@@ -243,6 +247,8 @@
     void startAudioOffloadPauseTimeout();
     void cancelAudioOffloadPauseTimeout();
 
+    int64_t getDurationUsIfPlayedAtSampleRate(uint32_t numFrames);
+
     DISALLOW_EVIL_CONSTRUCTORS(Renderer);
 };