| Chong Zhang | 7137ec7 | 2014-11-12 16:41:05 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2010 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef NUPLAYER_DECODER_BASE_H_ |
| 18 | |
| 19 | #define NUPLAYER_DECODER_BASE_H_ |
| 20 | |
| 21 | #include "NuPlayer.h" |
| 22 | |
| 23 | #include <media/stagefright/foundation/AHandler.h> |
| 24 | |
| 25 | namespace android { |
| 26 | |
| 27 | struct ABuffer; |
| 28 | struct MediaCodec; |
| 29 | struct MediaBuffer; |
| 30 | |
| 31 | struct NuPlayer::DecoderBase : public AHandler { |
| 32 | DecoderBase(); |
| 33 | |
| 34 | void configure(const sp<AMessage> &format); |
| 35 | void init(); |
| 36 | |
| 37 | void setRenderer(const sp<Renderer> &renderer); |
| 38 | |
| 39 | status_t getInputBuffers(Vector<sp<ABuffer> > *dstBuffers) const; |
| 40 | void signalFlush(); |
| 41 | void signalResume(); |
| 42 | void initiateShutdown(); |
| 43 | |
| 44 | virtual void getStats( |
| 45 | int64_t *mNumFramesTotal, |
| 46 | int64_t *mNumFramesDropped) const = 0; |
| 47 | |
| 48 | enum { |
| 49 | kWhatInputDiscontinuity = 'inDi', |
| 50 | kWhatVideoSizeChanged = 'viSC', |
| 51 | kWhatFlushCompleted = 'flsC', |
| 52 | kWhatShutdownCompleted = 'shDC', |
| 53 | kWhatEOS = 'eos ', |
| 54 | kWhatError = 'err ', |
| 55 | }; |
| 56 | |
| 57 | protected: |
| 58 | |
| 59 | virtual ~DecoderBase(); |
| 60 | |
| 61 | virtual void onMessageReceived(const sp<AMessage> &msg); |
| 62 | |
| 63 | virtual void onConfigure(const sp<AMessage> &format) = 0; |
| 64 | virtual void onSetRenderer(const sp<Renderer> &renderer) = 0; |
| 65 | virtual void onGetInputBuffers(Vector<sp<ABuffer> > *dstBuffers) = 0; |
| 66 | virtual void onResume() = 0; |
| 67 | virtual void onFlush(bool notifyComplete) = 0; |
| 68 | virtual void onShutdown(bool notifyComplete) = 0; |
| 69 | |
| 70 | void onRequestInputBuffers(); |
| 71 | void scheduleRequestBuffers(); |
| 72 | virtual void doRequestBuffers() = 0; |
| 73 | |
| 74 | private: |
| 75 | enum { |
| 76 | kWhatConfigure = 'conf', |
| 77 | kWhatSetRenderer = 'setR', |
| 78 | kWhatGetInputBuffers = 'gInB', |
| 79 | kWhatRequestInputBuffers = 'reqB', |
| 80 | kWhatFlush = 'flus', |
| 81 | kWhatShutdown = 'shuD', |
| 82 | }; |
| 83 | |
| 84 | sp<ALooper> mDecoderLooper; |
| 85 | bool mRequestInputBuffersPending; |
| 86 | |
| 87 | DISALLOW_EVIL_CONSTRUCTORS(DecoderBase); |
| 88 | }; |
| 89 | |
| 90 | } // namespace android |
| 91 | |
| 92 | #endif // NUPLAYER_DECODER_BASE_H_ |