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 class MediaBuffer; 30 class MediaCodecBuffer; 31 class Surface; 32 33 struct NuPlayer::DecoderBase : public AHandler { 34 explicit DecoderBase(const sp<AMessage> ¬ify); 35 36 void configure(const sp<AMessage> &format); 37 void init(); 38 void setParameters(const sp<AMessage> ¶ms); 39 40 // Synchronous call to ensure decoder will not request or send out data. 41 void pause(); 42 43 void setRenderer(const sp<Renderer> &renderer); setVideoSurfaceDecoderBase44 virtual status_t setVideoSurface(const sp<Surface> &) { return INVALID_OPERATION; } 45 46 void signalFlush(); 47 void signalResume(bool notifyComplete); 48 void initiateShutdown(); 49 getStatsDecoderBase50 virtual sp<AMessage> getStats() { 51 return mStats; 52 } 53 releaseCryptoDecoderBase54 virtual status_t releaseCrypto() { 55 return INVALID_OPERATION; 56 } 57 58 enum { 59 kWhatInputDiscontinuity = 'inDi', 60 kWhatVideoSizeChanged = 'viSC', 61 kWhatFlushCompleted = 'flsC', 62 kWhatShutdownCompleted = 'shDC', 63 kWhatResumeCompleted = 'resC', 64 kWhatEOS = 'eos ', 65 kWhatError = 'err ', 66 }; 67 68 protected: 69 70 virtual ~DecoderBase(); 71 72 void stopLooper(); 73 74 virtual void onMessageReceived(const sp<AMessage> &msg); 75 76 virtual void onConfigure(const sp<AMessage> &format) = 0; 77 virtual void onSetParameters(const sp<AMessage> ¶ms) = 0; 78 virtual void onSetRenderer(const sp<Renderer> &renderer) = 0; 79 virtual void onResume(bool notifyComplete) = 0; 80 virtual void onFlush() = 0; 81 virtual void onShutdown(bool notifyComplete) = 0; 82 83 void onRequestInputBuffers(); 84 virtual bool doRequestBuffers() = 0; 85 virtual void handleError(int32_t err); 86 87 sp<AMessage> mNotify; 88 int32_t mBufferGeneration; 89 bool mPaused; 90 sp<AMessage> mStats; 91 Mutex mStatsLock; 92 93 private: 94 enum { 95 kWhatConfigure = 'conf', 96 kWhatSetParameters = 'setP', 97 kWhatSetRenderer = 'setR', 98 kWhatPause = 'paus', 99 kWhatRequestInputBuffers = 'reqB', 100 kWhatFlush = 'flus', 101 kWhatShutdown = 'shuD', 102 }; 103 104 sp<ALooper> mDecoderLooper; 105 bool mRequestInputBuffersPending; 106 107 DISALLOW_EVIL_CONSTRUCTORS(DecoderBase); 108 }; 109 110 } // namespace android 111 112 #endif // NUPLAYER_DECODER_BASE_H_ 113