NuPlayer.h revision 4110c101c3d0dd8dbc44c8d2d0edd3e2e7d6652f
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; 30class SkipCutBuffer; 31 32struct NuPlayer : public AHandler { 33 NuPlayer(); 34 35 void setUID(uid_t uid); 36 37 void setDriver(const wp<NuPlayerDriver> &driver); 38 39 void setDataSource(const sp<IStreamSource> &source); 40 41 void setDataSource( 42 const char *url, const KeyedVector<String8, String8> *headers); 43 44 void setDataSource(int fd, int64_t offset, int64_t length); 45 46 void setVideoSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture); 47 void setAudioSink(const sp<MediaPlayerBase::AudioSink> &sink); 48 void start(); 49 50 void pause(); 51 void resume(); 52 53 // Will notify the driver through "notifyResetComplete" once finished. 54 void resetAsync(); 55 56 // Will notify the driver through "notifySeekComplete" once finished. 57 void seekToAsync(int64_t seekTimeUs); 58 59protected: 60 virtual ~NuPlayer(); 61 62 virtual void onMessageReceived(const sp<AMessage> &msg); 63 64private: 65 struct Decoder; 66 struct GenericSource; 67 struct HTTPLiveSource; 68 struct NuPlayerStreamListener; 69 struct Renderer; 70 struct RTSPSource; 71 struct Source; 72 struct StreamingSource; 73 74 enum { 75 kWhatSetDataSource = '=DaS', 76 kWhatSetVideoNativeWindow = '=NaW', 77 kWhatSetAudioSink = '=AuS', 78 kWhatMoreDataQueued = 'more', 79 kWhatStart = 'strt', 80 kWhatScanSources = 'scan', 81 kWhatVideoNotify = 'vidN', 82 kWhatAudioNotify = 'audN', 83 kWhatRendererNotify = 'renN', 84 kWhatReset = 'rset', 85 kWhatSeek = 'seek', 86 kWhatPause = 'paus', 87 kWhatResume = 'rsme', 88 }; 89 90 wp<NuPlayerDriver> mDriver; 91 bool mUIDValid; 92 uid_t mUID; 93 sp<Source> mSource; 94 sp<NativeWindowWrapper> mNativeWindow; 95 sp<MediaPlayerBase::AudioSink> mAudioSink; 96 sp<Decoder> mVideoDecoder; 97 bool mVideoIsAVC; 98 sp<Decoder> mAudioDecoder; 99 sp<Renderer> mRenderer; 100 101 bool mAudioEOS; 102 bool mVideoEOS; 103 104 bool mScanSourcesPending; 105 int32_t mScanSourcesGeneration; 106 107 enum FlushStatus { 108 NONE, 109 AWAITING_DISCONTINUITY, 110 FLUSHING_DECODER, 111 FLUSHING_DECODER_SHUTDOWN, 112 SHUTTING_DOWN_DECODER, 113 FLUSHED, 114 SHUT_DOWN, 115 }; 116 117 // Once the current flush is complete this indicates whether the 118 // notion of time has changed. 119 bool mTimeDiscontinuityPending; 120 121 FlushStatus mFlushingAudio; 122 FlushStatus mFlushingVideo; 123 bool mResetInProgress; 124 bool mResetPostponed; 125 126 int64_t mSkipRenderingAudioUntilMediaTimeUs; 127 int64_t mSkipRenderingVideoUntilMediaTimeUs; 128 129 int64_t mVideoLateByUs; 130 int64_t mNumFramesTotal, mNumFramesDropped; 131 132 SkipCutBuffer *mSkipCutBuffer; 133 134 status_t instantiateDecoder(bool audio, sp<Decoder> *decoder); 135 136 status_t feedDecoderInputData(bool audio, const sp<AMessage> &msg); 137 void renderBuffer(bool audio, const sp<AMessage> &msg); 138 139 void notifyListener(int msg, int ext1, int ext2); 140 141 void finishFlushIfPossible(); 142 143 void flushDecoder(bool audio, bool needShutdown); 144 145 static bool IsFlushingState(FlushStatus state, bool *needShutdown = NULL); 146 147 void finishReset(); 148 void postScanSources(); 149 150 DISALLOW_EVIL_CONSTRUCTORS(NuPlayer); 151}; 152 153} // namespace android 154 155#endif // NU_PLAYER_H_ 156