NuPlayerDecoderBase.h revision 29b7dcf6d3cdb97103467dc8106151c6260c239a
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 25namespace android { 26 27struct ABuffer; 28struct MediaCodec; 29class MediaBuffer; 30class MediaCodecBuffer; 31class Surface; 32 33struct 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); 44 virtual status_t setVideoSurface(const sp<Surface> &) { return INVALID_OPERATION; } 45 46 void signalFlush(); 47 void signalResume(bool notifyComplete); 48 void initiateShutdown(); 49 50 virtual sp<AMessage> getStats() const { 51 return mStats; 52 } 53 54 enum { 55 kWhatInputDiscontinuity = 'inDi', 56 kWhatVideoSizeChanged = 'viSC', 57 kWhatFlushCompleted = 'flsC', 58 kWhatShutdownCompleted = 'shDC', 59 kWhatResumeCompleted = 'resC', 60 kWhatEOS = 'eos ', 61 kWhatError = 'err ', 62 }; 63 64protected: 65 66 virtual ~DecoderBase(); 67 68 virtual void onMessageReceived(const sp<AMessage> &msg); 69 70 virtual void onConfigure(const sp<AMessage> &format) = 0; 71 virtual void onSetParameters(const sp<AMessage> ¶ms) = 0; 72 virtual void onSetRenderer(const sp<Renderer> &renderer) = 0; 73 virtual void onResume(bool notifyComplete) = 0; 74 virtual void onFlush() = 0; 75 virtual void onShutdown(bool notifyComplete) = 0; 76 77 void onRequestInputBuffers(); 78 virtual bool doRequestBuffers() = 0; 79 virtual void handleError(int32_t err); 80 81 sp<AMessage> mNotify; 82 int32_t mBufferGeneration; 83 bool mPaused; 84 sp<AMessage> mStats; 85 86private: 87 enum { 88 kWhatConfigure = 'conf', 89 kWhatSetParameters = 'setP', 90 kWhatSetRenderer = 'setR', 91 kWhatPause = 'paus', 92 kWhatRequestInputBuffers = 'reqB', 93 kWhatFlush = 'flus', 94 kWhatShutdown = 'shuD', 95 }; 96 97 sp<ALooper> mDecoderLooper; 98 bool mRequestInputBuffersPending; 99 100 DISALLOW_EVIL_CONSTRUCTORS(DecoderBase); 101}; 102 103} // namespace android 104 105#endif // NUPLAYER_DECODER_BASE_H_ 106