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 25 namespace android { 26 27 struct ACodec; 28 struct MetaData; 29 struct NuPlayerDriver; 30 31 struct NuPlayer : public AHandler { 32 NuPlayer(); 33 34 void setUID(uid_t uid); 35 36 void setDriver(const wp<NuPlayerDriver> &driver); 37 38 void setDataSourceAsync(const sp<IStreamSource> &source); 39 40 void setDataSourceAsync( 41 const char *url, const KeyedVector<String8, String8> *headers); 42 43 void setDataSourceAsync(int fd, int64_t offset, int64_t length); 44 45 void prepareAsync(); 46 47 void setVideoSurfaceTextureAsync( 48 const sp<IGraphicBufferProducer> &bufferProducer); 49 50 void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink); 51 void start(); 52 53 void pause(); 54 void resume(); 55 56 // Will notify the driver through "notifyResetComplete" once finished. 57 void resetAsync(); 58 59 // Will notify the driver through "notifySeekComplete" once finished. 60 void seekToAsync(int64_t seekTimeUs); 61 62 status_t setVideoScalingMode(int32_t mode); 63 64 protected: 65 virtual ~NuPlayer(); 66 67 virtual void onMessageReceived(const sp<AMessage> &msg); 68 69 public: 70 struct NuPlayerStreamListener; 71 struct Source; 72 73 private: 74 struct Decoder; 75 struct GenericSource; 76 struct HTTPLiveSource; 77 struct Renderer; 78 struct RTSPSource; 79 struct StreamingSource; 80 struct Action; 81 struct SeekAction; 82 struct SetSurfaceAction; 83 struct SimpleAction; 84 85 enum { 86 kWhatSetDataSource = '=DaS', 87 kWhatPrepare = 'prep', 88 kWhatSetVideoNativeWindow = '=NaW', 89 kWhatSetAudioSink = '=AuS', 90 kWhatMoreDataQueued = 'more', 91 kWhatStart = 'strt', 92 kWhatScanSources = 'scan', 93 kWhatVideoNotify = 'vidN', 94 kWhatAudioNotify = 'audN', 95 kWhatRendererNotify = 'renN', 96 kWhatReset = 'rset', 97 kWhatSeek = 'seek', 98 kWhatPause = 'paus', 99 kWhatResume = 'rsme', 100 kWhatPollDuration = 'polD', 101 kWhatSourceNotify = 'srcN', 102 }; 103 104 wp<NuPlayerDriver> mDriver; 105 bool mUIDValid; 106 uid_t mUID; 107 sp<Source> mSource; 108 uint32_t mSourceFlags; 109 sp<NativeWindowWrapper> mNativeWindow; 110 sp<MediaPlayerBase::AudioSink> mAudioSink; 111 sp<Decoder> mVideoDecoder; 112 bool mVideoIsAVC; 113 sp<Decoder> mAudioDecoder; 114 sp<Renderer> mRenderer; 115 116 List<sp<Action> > mDeferredActions; 117 118 bool mAudioEOS; 119 bool mVideoEOS; 120 121 bool mScanSourcesPending; 122 int32_t mScanSourcesGeneration; 123 124 int32_t mPollDurationGeneration; 125 126 enum FlushStatus { 127 NONE, 128 AWAITING_DISCONTINUITY, 129 FLUSHING_DECODER, 130 FLUSHING_DECODER_SHUTDOWN, 131 SHUTTING_DOWN_DECODER, 132 FLUSHED, 133 SHUT_DOWN, 134 }; 135 136 // Once the current flush is complete this indicates whether the 137 // notion of time has changed. 138 bool mTimeDiscontinuityPending; 139 140 FlushStatus mFlushingAudio; 141 FlushStatus mFlushingVideo; 142 143 int64_t mSkipRenderingAudioUntilMediaTimeUs; 144 int64_t mSkipRenderingVideoUntilMediaTimeUs; 145 146 int64_t mVideoLateByUs; 147 int64_t mNumFramesTotal, mNumFramesDropped; 148 149 int32_t mVideoScalingMode; 150 151 bool mStarted; 152 153 status_t instantiateDecoder(bool audio, sp<Decoder> *decoder); 154 155 status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg); 156 void renderBuffer(bool audio, const sp<AMessage> &msg); 157 158 void notifyListener(int msg, int ext1, int ext2); 159 160 void finishFlushIfPossible(); 161 162 void flushDecoder(bool audio, bool needShutdown); 163 164 static bool IsFlushingState(FlushStatus state, bool *needShutdown = NULL); 165 166 void postScanSources(); 167 168 void schedulePollDuration(); 169 void cancelPollDuration(); 170 171 void processDeferredActions(); 172 173 void performSeek(int64_t seekTimeUs); 174 void performDecoderFlush(); 175 void performDecoderShutdown(); 176 void performReset(); 177 void performScanSources(); 178 void performSetSurface(const sp<NativeWindowWrapper> &wrapper); 179 180 void onSourceNotify(const sp<AMessage> &msg); 181 182 DISALLOW_EVIL_CONSTRUCTORS(NuPlayer); 183 }; 184 185 } // namespace android 186 187 #endif // NU_PLAYER_H_ 188