| /* |
| * Copyright 2012, 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 MEDIA_PULLER_H_ |
| |
| #define MEDIA_PULLER_H_ |
| |
| #include <media/stagefright/foundation/AHandler.h> |
| |
| namespace android { |
| |
| struct MediaSource; |
| |
| struct MediaPuller : public AHandler { |
| enum { |
| kWhatEOS, |
| kWhatAccessUnit |
| }; |
| |
| MediaPuller(const sp<MediaSource> &source, const sp<AMessage> ¬ify); |
| |
| status_t start(); |
| void stopAsync(const sp<AMessage> ¬ify); |
| |
| void pause(); |
| void resume(); |
| |
| protected: |
| virtual void onMessageReceived(const sp<AMessage> &msg); |
| virtual ~MediaPuller(); |
| |
| private: |
| enum { |
| kWhatStart, |
| kWhatStop, |
| kWhatPull, |
| kWhatPause, |
| kWhatResume, |
| }; |
| |
| sp<MediaSource> mSource; |
| sp<AMessage> mNotify; |
| int32_t mPullGeneration; |
| bool mIsAudio; |
| bool mPaused; |
| |
| status_t postSynchronouslyAndReturnError(const sp<AMessage> &msg); |
| void schedulePull(); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(MediaPuller); |
| }; |
| |
| } // namespace android |
| |
| #endif // MEDIA_PULLER_H_ |