1 /* 2 * Copyright (C) 2011 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 ANDROID_VIDEOEDITOR_PLAYER_H 18 #define ANDROID_VIDEOEDITOR_PLAYER_H 19 20 #include <media/MediaPlayerInterface.h> 21 #include "AudioTrack.h" 22 #include "M4xVSS_API.h" 23 #include "VideoEditorMain.h" 24 #include "VideoEditorTools.h" 25 #include "VideoEditorAudioPlayer.h" 26 #include "NativeWindowRenderer.h" 27 28 namespace android { 29 30 struct PreviewPlayer; 31 32 class VideoEditorPlayer : public MediaPlayerInterface { 33 public: 34 class VeAudioOutput: public MediaPlayerBase::AudioSink 35 { 36 public: 37 VeAudioOutput(); 38 virtual ~VeAudioOutput(); 39 ready()40 virtual bool ready() const { return mTrack != NULL; } realtime()41 virtual bool realtime() const { return true; } 42 virtual ssize_t bufferSize() const; 43 virtual ssize_t frameCount() const; 44 virtual ssize_t channelCount() const; 45 virtual ssize_t frameSize() const; 46 virtual uint32_t latency() const; 47 virtual float msecsPerFrame() const; 48 virtual status_t getPosition(uint32_t *position); 49 virtual int getSessionId(); 50 51 virtual status_t open( 52 uint32_t sampleRate, int channelCount, 53 int format, int bufferCount, 54 AudioCallback cb, void *cookie); 55 56 virtual void start(); 57 virtual ssize_t write(const void* buffer, size_t size); 58 virtual void stop(); 59 virtual void flush(); 60 virtual void pause(); 61 virtual void close(); setAudioStreamType(int streamType)62 void setAudioStreamType(int streamType) { mStreamType = streamType; } 63 void setVolume(float left, float right); 64 virtual status_t dump(int fd,const Vector<String16>& args) const; 65 66 static bool isOnEmulator(); 67 static int getMinBufferCount(); 68 private: 69 static void setMinBufferCount(); 70 static void CallbackWrapper( 71 int event, void *me, void *info); 72 73 AudioTrack* mTrack; 74 AudioCallback mCallback; 75 void * mCallbackCookie; 76 int mStreamType; 77 float mLeftVolume; 78 float mRightVolume; 79 float mMsecsPerFrame; 80 uint32_t mLatency; 81 int mSessionId; 82 static bool mIsOnEmulator; 83 static int mMinBufferCount; // 12 for emulator; otherwise 4 84 85 public: 86 uint32_t mNumFramesWritten; 87 void snoopWrite(const void*, size_t); 88 }; 89 90 public: 91 VideoEditorPlayer(NativeWindowRenderer* renderer); 92 virtual ~VideoEditorPlayer(); 93 94 virtual status_t initCheck(); 95 96 virtual status_t setDataSource( 97 const char *url, const KeyedVector<String8, String8> *headers); 98 99 virtual status_t setDataSource(int fd, int64_t offset, int64_t length); 100 virtual status_t setVideoSurface(const sp<Surface> &surface); 101 virtual status_t setVideoSurfaceTexture(const sp<ISurfaceTexture> &surfaceTexture); 102 virtual status_t prepare(); 103 virtual status_t prepareAsync(); 104 virtual status_t start(); 105 virtual status_t stop(); 106 virtual status_t pause(); 107 virtual bool isPlaying(); 108 virtual status_t seekTo(int msec); 109 virtual status_t getCurrentPosition(int *msec); 110 virtual status_t getDuration(int *msec); 111 virtual status_t reset(); 112 virtual status_t setLooping(int loop); 113 virtual player_type playerType(); 114 virtual status_t invoke(const Parcel &request, Parcel *reply); 115 virtual void setAudioSink(const sp<AudioSink> &audioSink); 116 virtual void acquireLock(); 117 virtual void releaseLock(); 118 virtual status_t setParameter(int key, const Parcel &request); 119 virtual status_t getParameter(int key, Parcel *reply); 120 121 virtual status_t getMetadata( 122 const media::Metadata::Filter& ids, Parcel *records); 123 124 virtual status_t loadEffectsSettings( 125 M4VSS3GPP_EffectSettings* pEffectSettings, int nEffects); 126 127 virtual status_t loadAudioMixSettings( 128 M4xVSS_AudioMixingSettings* pAudioMixSettings); 129 130 virtual status_t setAudioMixPCMFileHandle( 131 M4OSA_Context pAudioMixPCMFileHandle); 132 133 virtual status_t setAudioMixStoryBoardParam( 134 M4OSA_UInt32 x, M4OSA_UInt32 y, M4OSA_UInt32 z); 135 136 virtual status_t setPlaybackBeginTime(uint32_t msec); 137 virtual status_t setPlaybackEndTime(uint32_t msec); 138 virtual status_t setStoryboardStartTime(uint32_t msec); 139 virtual status_t setProgressCallbackInterval(uint32_t cbInterval); 140 141 virtual status_t setMediaRenderingMode(M4xVSS_MediaRendering mode, 142 M4VIDEOEDITING_VideoFrameSize outputVideoSize); 143 144 virtual status_t resetJniCallbackTimeStamp(); 145 virtual status_t setImageClipProperties(uint32_t width, uint32_t height); 146 virtual status_t readFirstVideoFrame(); 147 virtual status_t getLastRenderedTimeMs(uint32_t *lastRenderedTimeMs); 148 149 status_t setAudioPlayer(VideoEditorAudioPlayer *audioPlayer); 150 private: 151 PreviewPlayer *mPlayer; 152 sp<VeAudioOutput> mVeAudioSink; 153 154 VideoEditorPlayer(const VideoEditorPlayer &); 155 VideoEditorPlayer &operator=(const VideoEditorPlayer &); 156 }; 157 158 } // namespace android 159 160 #endif // ANDROID_VIDEOEDITOR_PLAYER_H 161