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 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 setVideoSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture); 46 void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink); 47 void start(); 48 49 void pause(); 50 void resume(); 51 52 // Will notify the driver through "notifyResetComplete" once finished. 53 void resetAsync(); 54 55 // Will notify the driver through "notifySeekComplete" once finished. 56 void seekToAsync(int64_t seekTimeUs); 57 58 protected: 59 virtual ~NuPlayer(); 60 61 virtual void onMessageReceived(const sp<AMessage> &msg); 62 63 private: 64 struct Decoder; 65 struct GenericSource; 66 struct HTTPLiveSource; 67 struct NuPlayerStreamListener; 68 struct Renderer; 69 struct RTSPSource; 70 struct Source; 71 struct StreamingSource; 72 73 enum { 74 kWhatSetDataSource = '=DaS', 75 kWhatSetVideoNativeWindow = '=NaW', 76 kWhatSetAudioSink = '=AuS', 77 kWhatMoreDataQueued = 'more', 78 kWhatStart = 'strt', 79 kWhatScanSources = 'scan', 80 kWhatVideoNotify = 'vidN', 81 kWhatAudioNotify = 'audN', 82 kWhatRendererNotify = 'renN', 83 kWhatReset = 'rset', 84 kWhatSeek = 'seek', 85 kWhatPause = 'paus', 86 kWhatResume = 'rsme', 87 }; 88 89 wp<NuPlayerDriver> mDriver; 90 bool mUIDValid; 91 uid_t mUID; 92 sp<Source> mSource; 93 sp<NativeWindowWrapper> mNativeWindow; 94 sp<MediaPlayerBase::AudioSink> mAudioSink; 95 sp<Decoder> mVideoDecoder; 96 bool mVideoIsAVC; 97 sp<Decoder> mAudioDecoder; 98 sp<Renderer> mRenderer; 99 100 bool mAudioEOS; 101 bool mVideoEOS; 102 103 bool mScanSourcesPending; 104 int32_t mScanSourcesGeneration; 105 106 enum FlushStatus { 107 NONE, 108 AWAITING_DISCONTINUITY, 109 FLUSHING_DECODER, 110 FLUSHING_DECODER_SHUTDOWN, 111 SHUTTING_DOWN_DECODER, 112 FLUSHED, 113 SHUT_DOWN, 114 }; 115 116 // Once the current flush is complete this indicates whether the 117 // notion of time has changed. 118 bool mTimeDiscontinuityPending; 119 120 FlushStatus mFlushingAudio; 121 FlushStatus mFlushingVideo; 122 bool mResetInProgress; 123 bool mResetPostponed; 124 125 int64_t mSkipRenderingAudioUntilMediaTimeUs; 126 int64_t mSkipRenderingVideoUntilMediaTimeUs; 127 128 int64_t mVideoLateByUs; 129 int64_t mNumFramesTotal, mNumFramesDropped; 130 131 status_t instantiateDecoder(bool audio, sp<Decoder> *decoder); 132 133 status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg); 134 void renderBuffer(bool audio, const sp<AMessage> &msg); 135 136 void notifyListener(int msg, int ext1, int ext2); 137 138 void finishFlushIfPossible(); 139 140 void flushDecoder(bool audio, bool needShutdown); 141 142 static bool IsFlushingState(FlushStatus state, bool *needShutdown = NULL); 143 144 void finishReset(); 145 void postScanSources(); 146 147 DISALLOW_EVIL_CONSTRUCTORS(NuPlayer); 148 }; 149 150 } // namespace android 151 152 #endif // NU_PLAYER_H_ 153
