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Diffstat (limited to 'include/media/stagefright/TimedEventQueue.h')
-rw-r--r-- | include/media/stagefright/TimedEventQueue.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/include/media/stagefright/TimedEventQueue.h b/include/media/stagefright/TimedEventQueue.h deleted file mode 100644 index a264421..0000000 --- a/include/media/stagefright/TimedEventQueue.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (C) 2009 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. - */ - -#ifndef TIMED_EVENT_QUEUE_H_ - -#define TIMED_EVENT_QUEUE_H_ - -#include <pthread.h> - -#include <utils/List.h> -#include <utils/RefBase.h> -#include <utils/threads.h> - -namespace android { - -struct TimedEventQueue { - - struct Event : public RefBase { - Event() {} - virtual ~Event() {} - - protected: - virtual void fire(TimedEventQueue *queue, int64_t now_us) = 0; - - private: - friend class TimedEventQueue; - - Event(const Event &); - Event &operator=(const Event &); - }; - - TimedEventQueue(); - ~TimedEventQueue(); - - // Start executing the event loop. - void start(); - - // Stop executing the event loop, if flush is false, any pending - // events are discarded, otherwise the queue will stop (and this call - // return) once all pending events have been handled. - void stop(bool flush = false); - - // Posts an event to the front of the queue (after all events that - // have previously been posted to the front but before timed events). - void postEvent(const sp<Event> &event); - - void postEventToBack(const sp<Event> &event); - - // It is an error to post an event with a negative delay. - void postEventWithDelay(const sp<Event> &event, int64_t delay_us); - - // If the event is to be posted at a time that has already passed, - // it will fire as soon as possible. - void postTimedEvent(const sp<Event> &event, int64_t realtime_us); - - // Returns true iff event is currently in the queue and has been - // successfully cancelled. In this case the event will have been - // removed from the queue and won't fire. - bool cancelEvent(const sp<Event> &event); - - static int64_t getRealTimeUs(); - -private: - struct QueueItem { - sp<Event> event; - int64_t realtime_us; - }; - - struct StopEvent : public TimedEventQueue::Event { - virtual void fire(TimedEventQueue *queue, int64_t now_us) { - queue->mStopped = true; - } - }; - - pthread_t mThread; - List<QueueItem> mQueue; - Mutex mLock; - Condition mQueueNotEmptyCondition; - Condition mQueueHeadChangedCondition; - - bool mRunning; - bool mStopped; - - static void *ThreadWrapper(void *me); - void threadEntry(); - - TimedEventQueue(const TimedEventQueue &); - TimedEventQueue &operator=(const TimedEventQueue &); -}; - -} // namespace android - -#endif // TIMED_EVENT_QUEUE_H_ |