diff options
-rw-r--r-- | include/media/AudioEffect.h | 3 | ||||
-rw-r--r-- | include/media/AudioRecord.h | 2 | ||||
-rw-r--r-- | include/media/AudioTrack.h | 1 | ||||
-rw-r--r-- | media/jni/soundpool/SoundPool.h | 1 | ||||
-rw-r--r-- | media/libmedia/AudioEffect.cpp | 55 | ||||
-rw-r--r-- | media/libmedia/AudioRecord.cpp | 14 | ||||
-rw-r--r-- | media/libmedia/AudioTrack.cpp | 16 | ||||
-rw-r--r-- | services/audioflinger/AudioFlinger.cpp | 20 | ||||
-rw-r--r-- | services/audioflinger/AudioFlinger.h | 2 |
9 files changed, 61 insertions, 53 deletions
diff --git a/include/media/AudioEffect.h b/include/media/AudioEffect.h index c967efb..cda2be0 100644 --- a/include/media/AudioEffect.h +++ b/include/media/AudioEffect.h @@ -403,7 +403,7 @@ public: static status_t guidToString(const effect_uuid_t *guid, char *str, size_t maxLen); protected: - volatile int32_t mEnabled; // enable state + bool mEnabled; // enable state int32_t mSessionId; // audio session ID int32_t mPriority; // priority for effect control status_t mStatus; // effect status @@ -412,6 +412,7 @@ protected: void* mUserData; // client context for callback function effect_descriptor_t mDescriptor; // effect descriptor int32_t mId; // system wide unique effect engine instance ID + Mutex mLock; // Mutex for mEnabled access private: diff --git a/include/media/AudioRecord.h b/include/media/AudioRecord.h index 38e3d44..5f7cd90 100644 --- a/include/media/AudioRecord.h +++ b/include/media/AudioRecord.h @@ -356,7 +356,7 @@ private: sp<IAudioRecord> mAudioRecord; sp<IMemory> mCblkMemory; sp<ClientRecordThread> mClientRecordThread; - Mutex mRecordThreadLock; + Mutex mLock; uint32_t mFrameCount; diff --git a/include/media/AudioTrack.h b/include/media/AudioTrack.h index 4475d4a..813a905 100644 --- a/include/media/AudioTrack.h +++ b/include/media/AudioTrack.h @@ -480,6 +480,7 @@ private: uint32_t mFlags; int mSessionId; int mAuxEffectId; + Mutex mLock; }; diff --git a/media/jni/soundpool/SoundPool.h b/media/jni/soundpool/SoundPool.h index 42037af..1b0fd38 100644 --- a/media/jni/soundpool/SoundPool.h +++ b/media/jni/soundpool/SoundPool.h @@ -22,7 +22,6 @@ #include <utils/Vector.h> #include <utils/KeyedVector.h> #include <media/AudioTrack.h> -#include <cutils/atomic.h> namespace android { diff --git a/media/libmedia/AudioEffect.cpp b/media/libmedia/AudioEffect.cpp index 88b8c86..aadeba5 100644 --- a/media/libmedia/AudioEffect.cpp +++ b/media/libmedia/AudioEffect.cpp @@ -27,7 +27,6 @@ #include <media/AudioEffect.h> #include <utils/Log.h> -#include <cutils/atomic.h> #include <binder/IPCThreadState.h> @@ -207,18 +206,22 @@ status_t AudioEffect::setEnabled(bool enabled) return INVALID_OPERATION; } - if (enabled) { - LOGV("enable %p", this); - if (android_atomic_or(1, &mEnabled) == 0) { - return mIEffect->enable(); + status_t status = NO_ERROR; + + AutoMutex lock(mLock); + if (enabled != mEnabled) { + if (enabled) { + LOGV("enable %p", this); + status = mIEffect->enable(); + } else { + LOGV("disable %p", this); + status = mIEffect->disable(); } - } else { - LOGV("disable %p", this); - if (android_atomic_and(~1, &mEnabled) == 1) { - return mIEffect->disable(); + if (status == NO_ERROR) { + mEnabled = enabled; } } - return NO_ERROR; + return status; } status_t AudioEffect::command(uint32_t cmdCode, @@ -232,26 +235,26 @@ status_t AudioEffect::command(uint32_t cmdCode, return INVALID_OPERATION; } - if ((cmdCode == EFFECT_CMD_ENABLE || cmdCode == EFFECT_CMD_DISABLE) && - (replySize == NULL || *replySize != sizeof(status_t) || replyData == NULL)) { - return BAD_VALUE; + if (cmdCode == EFFECT_CMD_ENABLE || cmdCode == EFFECT_CMD_DISABLE) { + if (mEnabled == (cmdCode == EFFECT_CMD_ENABLE)) { + return NO_ERROR; + } + if (replySize == NULL || *replySize != sizeof(status_t) || replyData == NULL) { + return BAD_VALUE; + } + mLock.lock(); } status_t status = mIEffect->command(cmdCode, cmdSize, cmdData, replySize, replyData); - if (status != NO_ERROR) { - return status; - } if (cmdCode == EFFECT_CMD_ENABLE || cmdCode == EFFECT_CMD_DISABLE) { - status = *(status_t *)replyData; - if (status != NO_ERROR) { - return status; + if (status == NO_ERROR) { + status = *(status_t *)replyData; } - if (cmdCode == EFFECT_CMD_ENABLE) { - android_atomic_or(1, &mEnabled); - } else { - android_atomic_and(~1, &mEnabled); + if (status == NO_ERROR) { + mEnabled = (cmdCode == EFFECT_CMD_ENABLE); } + mLock.unlock(); } return status; @@ -370,11 +373,7 @@ void AudioEffect::enableStatusChanged(bool enabled) { LOGV("enableStatusChanged %p enabled %d mCbf %p", this, enabled, mCbf); if (mStatus == ALREADY_EXISTS) { - if (enabled) { - android_atomic_or(1, &mEnabled); - } else { - android_atomic_and(~1, &mEnabled); - } + mEnabled = enabled; if (mCbf) { mCbf(EVENT_ENABLE_STATUS_CHANGED, mUserData, &enabled); } diff --git a/media/libmedia/AudioRecord.cpp b/media/libmedia/AudioRecord.cpp index a6c515c..1d6ffa0 100644 --- a/media/libmedia/AudioRecord.cpp +++ b/media/libmedia/AudioRecord.cpp @@ -35,7 +35,6 @@ #include <binder/Parcel.h> #include <binder/IPCThreadState.h> #include <utils/Timers.h> -#include <cutils/atomic.h> #define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) #define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) @@ -282,7 +281,9 @@ status_t AudioRecord::start() t->mLock.lock(); } - if (android_atomic_or(1, &mActive) == 0) { + AutoMutex lock(mLock); + if (mActive == 0) { + mActive = 1; ret = mAudioRecord->start(); if (ret == DEAD_OBJECT) { LOGV("start() dead IAudioRecord: creating a new one"); @@ -302,8 +303,7 @@ status_t AudioRecord::start() setpriority(PRIO_PROCESS, 0, THREAD_PRIORITY_AUDIO_CLIENT); } } else { - LOGV("start() failed"); - android_atomic_and(~1, &mActive); + mActive = 0; } } @@ -322,9 +322,11 @@ status_t AudioRecord::stop() if (t != 0) { t->mLock.lock(); - } + } - if (android_atomic_and(~1, &mActive) == 1) { + AutoMutex lock(mLock); + if (mActive == 1) { + mActive = 0; mCblk->cv.signal(); mAudioRecord->stop(); // the record head position will reset to 0, so if a marker is set, we need diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp index 587c8ff..c1bed59 100644 --- a/media/libmedia/AudioTrack.cpp +++ b/media/libmedia/AudioTrack.cpp @@ -35,7 +35,6 @@ #include <binder/Parcel.h> #include <binder/IPCThreadState.h> #include <utils/Timers.h> -#include <cutils/atomic.h> #define LIKELY( exp ) (__builtin_expect( (exp) != 0, true )) #define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false )) @@ -312,7 +311,9 @@ void AudioTrack::start() t->mLock.lock(); } - if (android_atomic_or(1, &mActive) == 0) { + AutoMutex lock(mLock); + if (mActive == 0) { + mActive = 1; mNewPosition = mCblk->server + mUpdatePeriod; mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; mCblk->waitTimeMs = 0; @@ -344,7 +345,7 @@ void AudioTrack::start() } if (status != NO_ERROR) { LOGV("start() failed"); - android_atomic_and(~1, &mActive); + mActive = 0; if (t != 0) { t->requestExit(); } else { @@ -367,7 +368,9 @@ void AudioTrack::stop() t->mLock.lock(); } - if (android_atomic_and(~1, &mActive) == 1) { + AutoMutex lock(mLock); + if (mActive == 1) { + mActive = 0; mCblk->cv.signal(); mAudioTrack->stop(); // Cancel loops (If we are in the middle of a loop, playback @@ -407,7 +410,6 @@ void AudioTrack::flush() mMarkerReached = false; mUpdatePeriod = 0; - if (!mActive) { mAudioTrack->flush(); // Release AudioTrack callback thread in case it was waiting for new buffers @@ -419,7 +421,9 @@ void AudioTrack::flush() void AudioTrack::pause() { LOGV("pause"); - if (android_atomic_and(~1, &mActive) == 1) { + AutoMutex lock(mLock); + if (mActive == 1) { + mActive = 0; mAudioTrack->pause(); } } diff --git a/services/audioflinger/AudioFlinger.cpp b/services/audioflinger/AudioFlinger.cpp index 84dd022..51b5947 100644 --- a/services/audioflinger/AudioFlinger.cpp +++ b/services/audioflinger/AudioFlinger.cpp @@ -343,7 +343,7 @@ sp<IAudioTrack> AudioFlinger::createTrack( lSessionId = *sessionId; } else { // if no audio session id is provided, create one here - lSessionId = nextUniqueId(); + lSessionId = nextUniqueId_l(); if (sessionId != NULL) { *sessionId = lSessionId; } @@ -3699,7 +3699,7 @@ sp<IAudioRecord> AudioFlinger::openRecord( if (sessionId != NULL && *sessionId != AudioSystem::SESSION_OUTPUT_MIX) { lSessionId = *sessionId; } else { - lSessionId = nextUniqueId(); + lSessionId = nextUniqueId_l(); if (sessionId != NULL) { *sessionId = lSessionId; } @@ -4300,7 +4300,7 @@ int AudioFlinger::openOutput(uint32_t *pDevices, mHardwareStatus = AUDIO_HW_IDLE; if (output != 0) { - int id = nextUniqueId(); + int id = nextUniqueId_l(); if ((flags & AudioSystem::OUTPUT_FLAG_DIRECT) || (format != AudioSystem::PCM_16_BIT) || (channels != AudioSystem::CHANNEL_OUT_STEREO)) { @@ -4348,7 +4348,7 @@ int AudioFlinger::openDuplicateOutput(int output1, int output2) return 0; } - int id = nextUniqueId(); + int id = nextUniqueId_l(); DuplicatingThread *thread = new DuplicatingThread(this, thread1, id); thread->addOutputTrack(thread2); mPlaybackThreads.add(id, thread); @@ -4473,7 +4473,7 @@ int AudioFlinger::openInput(uint32_t *pDevices, } if (input != 0) { - int id = nextUniqueId(); + int id = nextUniqueId_l(); // Start record thread thread = new RecordThread(this, input, reqSamplingRate, reqChannels, id); mRecordThreads.add(id, thread); @@ -4543,7 +4543,8 @@ status_t AudioFlinger::setStreamOutput(uint32_t stream, int output) int AudioFlinger::newAudioSessionId() { - return nextUniqueId(); + AutoMutex _l(mLock); + return nextUniqueId_l(); } // checkPlaybackThread_l() must be called with AudioFlinger::mLock held @@ -4578,9 +4579,10 @@ AudioFlinger::RecordThread *AudioFlinger::checkRecordThread_l(int input) const return thread; } -int AudioFlinger::nextUniqueId() +// nextUniqueId_l() must be called with AudioFlinger::mLock held +int AudioFlinger::nextUniqueId_l() { - return android_atomic_inc(&mNextUniqueId); + return mNextUniqueId++; } // ---------------------------------------------------------------------------- @@ -4967,7 +4969,7 @@ sp<AudioFlinger::EffectHandle> AudioFlinger::PlaybackThread::createEffect_l( LOGV("createEffect_l() got effect %p on chain %p", effect == 0 ? 0 : effect.get(), chain.get()); if (effect == 0) { - int id = mAudioFlinger->nextUniqueId(); + int id = mAudioFlinger->nextUniqueId_l(); // Check CPU and memory usage lStatus = AudioSystem::registerEffect(desc, mId, chain->strategy(), sessionId, id); if (lStatus != NO_ERROR) { diff --git a/services/audioflinger/AudioFlinger.h b/services/audioflinger/AudioFlinger.h index 5917632..f0ef867 100644 --- a/services/audioflinger/AudioFlinger.h +++ b/services/audioflinger/AudioFlinger.h @@ -785,7 +785,7 @@ private: float streamVolumeInternal(int stream) const { return mStreamTypes[stream].volume; } void audioConfigChanged_l(int event, int ioHandle, void *param2); - int nextUniqueId(); + int nextUniqueId_l(); status_t moveEffectChain_l(int session, AudioFlinger::PlaybackThread *srcThread, AudioFlinger::PlaybackThread *dstThread, |