| /* |
| * 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 DECODER_WRAPPER_H_ |
| |
| #define DECODER_WRAPPER_H_ |
| |
| #include <media/stagefright/foundation/AHandler.h> |
| |
| namespace android { |
| |
| struct MediaSource; |
| |
| struct DecoderWrapper : public AHandler { |
| DecoderWrapper(); |
| |
| void setNotificationMessage(const sp<AMessage> &msg); |
| void initiateSetup(const sp<AMessage> &msg); |
| void initiateShutdown(); |
| void signalFlush(); |
| void signalResume(); |
| |
| protected: |
| virtual ~DecoderWrapper(); |
| |
| virtual void onMessageReceived(const sp<AMessage> &msg); |
| |
| private: |
| struct WrapperSource; |
| struct WrapperReader; |
| |
| enum { |
| kWhatSetup, |
| kWhatInputBufferFilled, |
| kWhatOutputBufferDrained, |
| kWhatShutdown, |
| kWhatFillBufferDone, |
| kWhatInputDataRequested, |
| kWhatFlush, |
| kWhatResume, |
| }; |
| |
| sp<AMessage> mNotify; |
| |
| sp<WrapperSource> mSource; |
| |
| sp<ALooper> mReaderLooper; |
| sp<WrapperReader> mReader; |
| |
| int32_t mNumOutstandingInputBuffers; |
| int32_t mNumOutstandingOutputBuffers; |
| int32_t mNumPendingDecodes; |
| bool mFlushing; |
| |
| void onSetup(const sp<AMessage> &msg); |
| void onShutdown(); |
| void onFlush(); |
| void onResume(); |
| |
| void postFillBuffer(); |
| void completeFlushIfPossible(); |
| |
| DISALLOW_EVIL_CONSTRUCTORS(DecoderWrapper); |
| }; |
| |
| } // namespace android |
| |
| #endif // DECODER_WRAPPER_H_ |
| |