NuPlayer.h revision 57a339cdb7524f883de3ceb364c0b5606df0c610
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 NU_PLAYER_H_ 18 19#define NU_PLAYER_H_ 20 21#include <media/MediaPlayerInterface.h> 22#include <media/stagefright/foundation/AHandler.h> 23#include <media/stagefright/NativeWindowWrapper.h> 24 25namespace android { 26 27struct ACodec; 28struct MetaData; 29struct NuPlayerDriver; 30 31struct NuPlayer : public AHandler { 32 NuPlayer(); 33 34 void setUID(uid_t uid); 35 36 void setDriver(const wp<NuPlayerDriver> &driver); 37 38 void setDataSource(const sp<IStreamSource> &source); 39 40 void setDataSource( 41 const char *url, const KeyedVector<String8, String8> *headers); 42 43 void setDataSource(int fd, int64_t offset, int64_t length); 44 45 void setVideoSurfaceTextureAsync( 46 const sp<ISurfaceTexture> &surfaceTexture); 47 48 void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink); 49 void start(); 50 51 void pause(); 52 void resume(); 53 54 // Will notify the driver through "notifyResetComplete" once finished. 55 void resetAsync(); 56 57 // Will notify the driver through "notifySeekComplete" once finished. 58 void seekToAsync(int64_t seekTimeUs); 59 60 status_t setVideoScalingMode(int32_t mode); 61 62protected: 63 virtual ~NuPlayer(); 64 65 virtual void onMessageReceived(const sp<AMessage> &msg); 66 67public: 68 struct NuPlayerStreamListener; 69 struct Source; 70 71private: 72 struct Decoder; 73 struct GenericSource; 74 struct HTTPLiveSource; 75 struct Renderer; 76 struct RTSPSource; 77 struct StreamingSource; 78 struct Action; 79 struct SeekAction; 80 struct SetSurfaceAction; 81 struct SimpleAction; 82 83 enum { 84 kWhatSetDataSource = '=DaS', 85 kWhatSetVideoNativeWindow = '=NaW', 86 kWhatSetAudioSink = '=AuS', 87 kWhatMoreDataQueued = 'more', 88 kWhatStart = 'strt', 89 kWhatScanSources = 'scan', 90 kWhatVideoNotify = 'vidN', 91 kWhatAudioNotify = 'audN', 92 kWhatRendererNotify = 'renN', 93 kWhatReset = 'rset', 94 kWhatSeek = 'seek', 95 kWhatPause = 'paus', 96 kWhatResume = 'rsme', 97 kWhatPollDuration = 'polD', 98 }; 99 100 wp<NuPlayerDriver> mDriver; 101 bool mUIDValid; 102 uid_t mUID; 103 sp<Source> mSource; 104 sp<NativeWindowWrapper> mNativeWindow; 105 sp<MediaPlayerBase::AudioSink> mAudioSink; 106 sp<Decoder> mVideoDecoder; 107 bool mVideoIsAVC; 108 sp<Decoder> mAudioDecoder; 109 sp<Renderer> mRenderer; 110 111 List<sp<Action> > mDeferredActions; 112 113 bool mAudioEOS; 114 bool mVideoEOS; 115 116 bool mScanSourcesPending; 117 int32_t mScanSourcesGeneration; 118 119 int32_t mPollDurationGeneration; 120 121 enum FlushStatus { 122 NONE, 123 AWAITING_DISCONTINUITY, 124 FLUSHING_DECODER, 125 FLUSHING_DECODER_SHUTDOWN, 126 SHUTTING_DOWN_DECODER, 127 FLUSHED, 128 SHUT_DOWN, 129 }; 130 131 // Once the current flush is complete this indicates whether the 132 // notion of time has changed. 133 bool mTimeDiscontinuityPending; 134 135 FlushStatus mFlushingAudio; 136 FlushStatus mFlushingVideo; 137 138 int64_t mSkipRenderingAudioUntilMediaTimeUs; 139 int64_t mSkipRenderingVideoUntilMediaTimeUs; 140 141 int64_t mVideoLateByUs; 142 int64_t mNumFramesTotal, mNumFramesDropped; 143 144 int32_t mVideoScalingMode; 145 146 bool mStarted; 147 148 status_t instantiateDecoder(bool audio, sp<Decoder> *decoder); 149 150 status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg); 151 void renderBuffer(bool audio, const sp<AMessage> &msg); 152 153 void notifyListener(int msg, int ext1, int ext2); 154 155 void finishFlushIfPossible(); 156 157 void flushDecoder(bool audio, bool needShutdown); 158 159 static bool IsFlushingState(FlushStatus state, bool *needShutdown = NULL); 160 161 void postScanSources(); 162 163 void schedulePollDuration(); 164 void cancelPollDuration(); 165 166 void processDeferredActions(); 167 168 void performSeek(int64_t seekTimeUs); 169 void performDecoderFlush(); 170 void performDecoderShutdown(); 171 void performReset(); 172 void performScanSources(); 173 void performSetSurface(const sp<NativeWindowWrapper> &wrapper); 174 175 DISALLOW_EVIL_CONSTRUCTORS(NuPlayer); 176}; 177 178} // namespace android 179 180#endif // NU_PLAYER_H_ 181