| /* |
| * Copyright (C) 2010 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 LIVE_DATA_SOURCE_H_ |
| |
| #define LIVE_DATA_SOURCE_H_ |
| |
| #include <media/DataSource.h> |
| #include <media/stagefright/foundation/ABase.h> |
| #include <utils/threads.h> |
| #include <utils/List.h> |
| |
| namespace android { |
| |
| struct ABuffer; |
| |
| struct LiveDataSource : public DataSource { |
| LiveDataSource(); |
| |
| virtual status_t initCheck() const; |
| |
| virtual ssize_t readAt(off64_t offset, void *data, size_t size); |
| ssize_t readAtNonBlocking(off64_t offset, void *data, size_t size); |
| |
| void queueBuffer(const sp<ABuffer> &buffer); |
| void queueEOS(status_t finalResult); |
| void reset(); |
| |
| size_t countQueuedBuffers(); |
| |
| protected: |
| virtual ~LiveDataSource(); |
| |
| private: |
| Mutex mLock; |
| Condition mCondition; |
| |
| off64_t mOffset; |
| List<sp<ABuffer> > mBufferQueue; |
| status_t mFinalResult; |
| |
| FILE *mBackupFile; |
| |
| ssize_t readAt_l(off64_t offset, void *data, size_t size); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(LiveDataSource); |
| }; |
| |
| } // namespace android |
| |
| #endif // LIVE_DATA_SOURCE_H_ |