commit 5a8a95de6dad1a3bcf3da5a37b35766e89086e13
author Ricardo Garcia <rago@google.com> Sat Apr 18 14:47:04 2015 -0700
committer Ricardo Garcia <rago@google.com> Wed Apr 22 10:57:24 2015 -0700
tree 64b82016eaef26f51b75470714172c06287c9c56
parent ea44f41bb142555e747cc11382296e94af99d312

Use AudioPlaybackRate to hold TimestretchBufferProvider parameters

Use this struct to handle the parameters for TimestretchBufferProvider all
across the system.
Add stretch mode and fallback mode to TimestretchBuffer Provider.

Change-Id: I19099924a7003c62e48bb6ead56c785cb129fba2

services/audioflinger/AudioMixer.h

diff --git a/services/audioflinger/AudioMixer.h b/services/audioflinger/AudioMixer.h
index e27a0d1..7165c6c 100644
--- a/services/audioflinger/AudioMixer.h
+++ b/services/audioflinger/AudioMixer.h
@@ -23,6 +23,7 @@
 
 #include <hardware/audio_effect.h>
 #include <media/AudioBufferProvider.h>
+#include <media/AudioResamplerPublic.h>
 #include <media/nbaio/NBLog.h>
 #include <system/audio.h>
 #include <utils/Compat.h>
@@ -259,8 +260,7 @@
         audio_channel_mask_t mMixerChannelMask;
         uint32_t             mMixerChannelCount;
 
-        float          mSpeed;
-        float          mPitch;
+        AudioPlaybackRate    mPlaybackRate;
 
         bool        needsRamp() { return (volumeInc[0] | volumeInc[1] | auxInc) != 0; }
         bool        setResampler(uint32_t trackSampleRate, uint32_t devSampleRate);
@@ -274,7 +274,7 @@
         void        unprepareForDownmix();
         status_t    prepareForReformat();
         void        unprepareForReformat();
-        bool        setPlaybackRate(float speed, float pitch);
+        bool        setPlaybackRate(const AudioPlaybackRate &playbackRate);
         void        reconfigureBufferProviders();
     };