From 02fe1bf923bbe5789202dbd5810e2c04794562e6 Mon Sep 17 00:00:00 2001
From: Glenn Kasten <gkasten@google.com>
Date: Fri, 24 Feb 2012 15:42:17 -0800
Subject: [PATCH] AudioFlinger const methods and parameters

Change-Id: I93ec28024005ed23aa141518092a012a4a7c44c5
---
 services/audioflinger/AudioFlinger.cpp |  8 ++++----
 services/audioflinger/AudioFlinger.h   | 13 +++++++------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp
index d5220912b1..4cc29147c1 100644
--- a/services/audioflinger/AudioFlinger.cpp
+++ b/services/audioflinger/AudioFlinger.cpp
@@ -3281,7 +3281,7 @@ void AudioFlinger::DuplicatingThread::updateWaitTime()
 }
 
 
-bool AudioFlinger::DuplicatingThread::outputsReady(SortedVector< sp<OutputTrack> > &outputTracks)
+bool AudioFlinger::DuplicatingThread::outputsReady(const SortedVector< sp<OutputTrack> > &outputTracks)
 {
     for (size_t i = 0; i < outputTracks.size(); i++) {
         sp <ThreadBase> thread = outputTracks[i]->thread().promote();
@@ -5859,7 +5859,7 @@ uint32_t AudioFlinger::nextUniqueId()
     return android_atomic_inc(&mNextUniqueId);
 }
 
-AudioFlinger::PlaybackThread *AudioFlinger::primaryPlaybackThread_l()
+AudioFlinger::PlaybackThread *AudioFlinger::primaryPlaybackThread_l() const
 {
     for (size_t i = 0; i < mPlaybackThreads.size(); i++) {
         PlaybackThread *thread = mPlaybackThreads.valueAt(i).get();
@@ -5871,7 +5871,7 @@ AudioFlinger::PlaybackThread *AudioFlinger::primaryPlaybackThread_l()
     return NULL;
 }
 
-uint32_t AudioFlinger::primaryOutputDevice_l()
+uint32_t AudioFlinger::primaryOutputDevice_l() const
 {
     PlaybackThread *thread = primaryPlaybackThread_l();
 
@@ -6366,7 +6366,7 @@ void AudioFlinger::ThreadBase::lockEffectChains_l(
 }
 
 void AudioFlinger::ThreadBase::unlockEffectChains(
-        Vector<sp <AudioFlinger::EffectChain> >& effectChains)
+        const Vector<sp <AudioFlinger::EffectChain> >& effectChains)
 {
     for (size_t i = 0; i < effectChains.size(); i++) {
         effectChains[i]->unlock();
diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h
index 2a5d805d1d..b5fef52199 100644
--- a/services/audioflinger/AudioFlinger.h
+++ b/services/audioflinger/AudioFlinger.h
@@ -424,8 +424,8 @@ private:
                     void        sendConfigEvent_l(int event, int param = 0);
                     void        processConfigEvents();
                     audio_io_handle_t id() const { return mId;}
-                    bool        standby() { return mStandby; }
-                    uint32_t    device() { return mDevice; }
+                    bool        standby() const { return mStandby; }
+                    uint32_t    device() const { return mDevice; }
         virtual     audio_stream_t* stream() = 0;
 
                     sp<EffectHandle> createEffect_l(
@@ -461,7 +461,7 @@ private:
                     // integrity of the chains during the process.
                     void lockEffectChains_l(Vector<sp <EffectChain> >& effectChains);
                     // unlock effect chains after process
-                    void unlockEffectChains(Vector<sp <EffectChain> >& effectChains);
+                    void unlockEffectChains(const Vector<sp<EffectChain> >& effectChains);
                     // set audio mode to all effect chains
                     void setMode(audio_mode_t mode);
                     // get effect module with corresponding ID on specified audio session
@@ -968,7 +968,7 @@ private:
         virtual     uint32_t    activeSleepTimeUs();
 
     private:
-                    bool        outputsReady(SortedVector< sp<OutputTrack> > &outputTracks);
+                    bool        outputsReady(const SortedVector<sp<OutputTrack> > &outputTracks);
                     void        updateWaitTime();
 
         SortedVector < sp<OutputTrack> >  mOutputTracks;
@@ -993,8 +993,9 @@ private:
                                      PlaybackThread *srcThread,
                                      PlaybackThread *dstThread,
                                      bool reRegister);
-              PlaybackThread *primaryPlaybackThread_l();
-              uint32_t primaryOutputDevice_l();
+              // return thread associated with primary hardware device, or NULL
+              PlaybackThread *primaryPlaybackThread_l() const;
+              uint32_t primaryOutputDevice_l() const;
 
     friend class AudioBuffer;
 
-- 
2.11.0