From 9816016afb2a13c6a866cd047d57020566a8b9a9 Mon Sep 17 00:00:00 2001
From: Wei Jia <wjia@google.com>
Date: Wed, 4 Feb 2015 17:01:11 -0800
Subject: mediaplayer: support dynamic playback rate

Bug: 19196501

Change-Id: I856b1507d5fa2cedfb645706d2435683a7d3e050
---
 media/libmediaplayerservice/nuplayer/NuPlayerRenderer.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to '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 @@ struct NuPlayer::Renderer : public AHandler {
 
     void queueEOS(bool audio, status_t finalResult);
 
+    void setPlaybackRate(float rate);
+
     void flush(bool audio, bool notifyComplete);
 
     void signalTimeDiscontinuity();
@@ -100,6 +102,7 @@ private:
         kWhatPostDrainVideoQueue = 'pDVQ',
         kWhatQueueBuffer         = 'queB',
         kWhatQueueEOS            = 'qEOS',
+        kWhatSetRate             = 'setR',
         kWhatFlush               = 'flus',
         kWhatPause               = 'paus',
         kWhatResume              = 'resm',
@@ -138,6 +141,7 @@ private:
     int32_t mVideoDrainGeneration;
 
     sp<MediaClock> mMediaClock;
+    float mPlaybackRate;
     int64_t mAudioFirstAnchorTimeMediaUs;
     int64_t mAnchorTimeMediaUs;
     int64_t mAnchorNumFramesWritten;
@@ -243,6 +247,8 @@ private:
     void startAudioOffloadPauseTimeout();
     void cancelAudioOffloadPauseTimeout();
 
+    int64_t getDurationUsIfPlayedAtSampleRate(uint32_t numFrames);
+
     DISALLOW_EVIL_CONSTRUCTORS(Renderer);
 };
 
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