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author | Eric Laurent <elaurent@google.com> | 2012-03-26 10:47:22 -0700 |
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committer | Eric Laurent <elaurent@google.com> | 2012-03-26 10:54:41 -0700 |
commit | 2e66a7896c9a9da3a15fc6cff9be28b4174d8719 (patch) | |
tree | bc6d8e86ae45de8f4b1a36eda9d11f774bde9bea /media/libmedia/SoundPoolThread.cpp | |
parent | ef36d496477d1e2ae99c3cd43eee5cf7e82b0883 (diff) | |
download | frameworks_av-2e66a7896c9a9da3a15fc6cff9be28b4174d8719.zip frameworks_av-2e66a7896c9a9da3a15fc6cff9be28b4174d8719.tar.gz frameworks_av-2e66a7896c9a9da3a15fc6cff9be28b4174d8719.tar.bz2 |
reorganize SoundPool and JetPlayer code.
Reorganize SoundPool and JetPlayer code to be ready for the
creation of libmedia_native.
Split SoundPool between libsoundpool (JNI) and libmedia(sound pool implementation).
Remove dependencies on nativehelper/jni.h from JetPlayer.
Change-Id: I130c6014173b714329929dd82c5dfb70b757a610
Diffstat (limited to 'media/libmedia/SoundPoolThread.cpp')
-rw-r--r-- | media/libmedia/SoundPoolThread.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/media/libmedia/SoundPoolThread.cpp b/media/libmedia/SoundPoolThread.cpp new file mode 100644 index 0000000..ba3b482 --- /dev/null +++ b/media/libmedia/SoundPoolThread.cpp @@ -0,0 +1,114 @@ +/* + * Copyright (C) 2007 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +//#define LOG_NDEBUG 0 +#define LOG_TAG "SoundPoolThread" +#include "utils/Log.h" + +#include "SoundPoolThread.h" + +namespace android { + +void SoundPoolThread::write(SoundPoolMsg msg) { + Mutex::Autolock lock(&mLock); + while (mMsgQueue.size() >= maxMessages) { + mCondition.wait(mLock); + } + + // if thread is quitting, don't add to queue + if (mRunning) { + mMsgQueue.push(msg); + mCondition.signal(); + } +} + +const SoundPoolMsg SoundPoolThread::read() { + Mutex::Autolock lock(&mLock); + while (mMsgQueue.size() == 0) { + mCondition.wait(mLock); + } + SoundPoolMsg msg = mMsgQueue[0]; + mMsgQueue.removeAt(0); + mCondition.signal(); + return msg; +} + +void SoundPoolThread::quit() { + Mutex::Autolock lock(&mLock); + if (mRunning) { + mRunning = false; + mMsgQueue.clear(); + mMsgQueue.push(SoundPoolMsg(SoundPoolMsg::KILL, 0)); + mCondition.signal(); + mCondition.wait(mLock); + } + ALOGV("return from quit"); +} + +SoundPoolThread::SoundPoolThread(SoundPool* soundPool) : + mSoundPool(soundPool) +{ + mMsgQueue.setCapacity(maxMessages); + if (createThreadEtc(beginThread, this, "SoundPoolThread")) { + mRunning = true; + } +} + +SoundPoolThread::~SoundPoolThread() +{ + quit(); +} + +int SoundPoolThread::beginThread(void* arg) { + ALOGV("beginThread"); + SoundPoolThread* soundPoolThread = (SoundPoolThread*)arg; + return soundPoolThread->run(); +} + +int SoundPoolThread::run() { + ALOGV("run"); + for (;;) { + SoundPoolMsg msg = read(); + ALOGV("Got message m=%d, mData=%d", msg.mMessageType, msg.mData); + switch (msg.mMessageType) { + case SoundPoolMsg::KILL: + ALOGV("goodbye"); + return NO_ERROR; + case SoundPoolMsg::LOAD_SAMPLE: + doLoadSample(msg.mData); + break; + default: + ALOGW("run: Unrecognized message %d\n", + msg.mMessageType); + break; + } + } +} + +void SoundPoolThread::loadSample(int sampleID) { + write(SoundPoolMsg(SoundPoolMsg::LOAD_SAMPLE, sampleID)); +} + +void SoundPoolThread::doLoadSample(int sampleID) { + sp <Sample> sample = mSoundPool->findSample(sampleID); + status_t status = -1; + if (sample != 0) { + status = sample->doLoad(); + } + mSoundPool->notify(SoundPoolEvent(SoundPoolEvent::SAMPLE_LOADED, sampleID, status)); +} + +} // end namespace android |