auto import from //depot/cupcake/@135843
diff --git a/media/jni/soundpool/SoundPoolThread.cpp b/media/jni/soundpool/SoundPoolThread.cpp
new file mode 100644
index 0000000..4e6798d
--- /dev/null
+++ b/media/jni/soundpool/SoundPoolThread.cpp
@@ -0,0 +1,108 @@
+/*
+ * 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::MessageQueue::write(SoundPoolMsg msg) {
+ LOGV("MessageQueue::write - acquiring lock\n");
+ Mutex::Autolock lock(&mLock);
+ while (mQueue.size() >= maxMessages) {
+ LOGV("MessageQueue::write - wait\n");
+ mCondition.wait(mLock);
+ }
+ LOGV("MessageQueue::write - push message\n");
+ mQueue.push(msg);
+ mCondition.signal();
+}
+
+const SoundPoolMsg SoundPoolThread::MessageQueue::read() {
+ LOGV("MessageQueue::read - acquiring lock\n");
+ Mutex::Autolock lock(&mLock);
+ while (mQueue.size() == 0) {
+ LOGV("MessageQueue::read - wait\n");
+ mCondition.wait(mLock);
+ }
+ SoundPoolMsg msg = mQueue[0];
+ LOGV("MessageQueue::read - retrieve message\n");
+ mQueue.removeAt(0);
+ mCondition.signal();
+ return msg;
+}
+
+void SoundPoolThread::MessageQueue::quit() {
+ Mutex::Autolock lock(&mLock);
+ mQueue.clear();
+ mQueue.push(SoundPoolMsg(SoundPoolMsg::KILL, 0));
+ mCondition.signal();
+ mCondition.wait(mLock);
+ LOGV("return from quit");
+}
+
+SoundPoolThread::SoundPoolThread(SoundPool* soundPool) :
+ mSoundPool(soundPool)
+{
+ mMessages.setCapacity(maxMessages);
+ createThread(beginThread, this);
+}
+
+SoundPoolThread::~SoundPoolThread()
+{
+}
+
+int SoundPoolThread::beginThread(void* arg) {
+ LOGV("beginThread");
+ SoundPoolThread* soundPoolThread = (SoundPoolThread*)arg;
+ return soundPoolThread->run();
+}
+
+int SoundPoolThread::run() {
+ LOGV("run");
+ for (;;) {
+ SoundPoolMsg msg = mMessages.read();
+ LOGV("Got message m=%d, mData=%d", msg.mMessageType, msg.mData);
+ switch (msg.mMessageType) {
+ case SoundPoolMsg::KILL:
+ LOGV("goodbye");
+ return NO_ERROR;
+ case SoundPoolMsg::LOAD_SAMPLE:
+ doLoadSample(msg.mData);
+ break;
+ default:
+ LOGW("run: Unrecognized message %d\n",
+ msg.mMessageType);
+ break;
+ }
+ }
+}
+
+void SoundPoolThread::loadSample(int sampleID) {
+ mMessages.write(SoundPoolMsg(SoundPoolMsg::LOAD_SAMPLE, sampleID));
+}
+
+void SoundPoolThread::doLoadSample(int sampleID) {
+ sp <Sample> sample = mSoundPool->findSample(sampleID);
+ if (sample != 0) {
+ sample->doLoad();
+ }
+}
+
+} // end namespace android