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 <media/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 40 virtual bool ready() const { return mTrack != NULL; } 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) const; 49 virtual status_t getFramesWritten(uint32_t*) const; 50 virtual int getSessionId() const; 51 52 virtual status_t open( 53 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 54 audio_format_t format, int bufferCount, 55 AudioCallback cb, void *cookie, audio_output_flags_t flags, 56 const audio_offload_info_t *offloadInfo); 57 58 virtual status_t start(); 59 virtual ssize_t write(const void* buffer, size_t size); 60 virtual void stop(); 61 virtual void flush(); 62 virtual void pause(); 63 virtual void close(); 64 void setAudioStreamType(audio_stream_type_t streamType) { mStreamType = streamType; } 65 virtual audio_stream_type_t getAudioStreamType() const { return mStreamType; } 66 void setVolume(float left, float right); 67 virtual status_t dump(int fd,const Vector<String16>& args) const; 68 69 static bool isOnEmulator(); 70 static int getMinBufferCount(); 71 private: 72 static void setMinBufferCount(); 73 static void CallbackWrapper( 74 int event, void *me, void *info); 75 76 sp<AudioTrack> mTrack; 77 AudioCallback mCallback; 78 void * mCallbackCookie; 79 audio_stream_type_t mStreamType; 80 float mLeftVolume; 81 float mRightVolume; 82 float mMsecsPerFrame; 83 uint32_t mLatency; 84 int mSessionId; 85 static bool mIsOnEmulator; 86 static int mMinBufferCount; // 12 for emulator; otherwise 4 87 88 public: 89 uint32_t mNumFramesWritten; 90 void snoopWrite(const void*, size_t); 91 }; 92 93 public: 94 VideoEditorPlayer(NativeWindowRenderer* renderer); 95 virtual ~VideoEditorPlayer(); 96 97 virtual status_t initCheck(); 98 99 virtual status_t setDataSource( 100 const char *url, const KeyedVector<String8, String8> *headers); 101 102 virtual status_t setDataSource(int fd, int64_t offset, int64_t length); 103 virtual status_t setVideoSurface(const sp<Surface> &surface); 104 virtual status_t setVideoSurfaceTexture(const sp<IGraphicBufferProducer> &bufferProducer); 105 virtual status_t prepare(); 106 virtual status_t prepareAsync(); 107 virtual status_t start(); 108 virtual status_t stop(); 109 virtual status_t pause(); 110 virtual bool isPlaying(); 111 virtual status_t seekTo(int msec); 112 virtual status_t getCurrentPosition(int *msec); 113 virtual status_t getDuration(int *msec); 114 virtual status_t reset(); 115 virtual status_t setLooping(int loop); 116 virtual player_type playerType(); 117 virtual status_t invoke(const Parcel &request, Parcel *reply); 118 virtual void setAudioSink(const sp<AudioSink> &audioSink); 119 virtual void acquireLock(); 120 virtual void releaseLock(); 121 virtual status_t setParameter(int key, const Parcel &request); 122 virtual status_t getParameter(int key, Parcel *reply); 123 124 virtual status_t getMetadata( 125 const media::Metadata::Filter& ids, Parcel *records); 126 127 virtual status_t loadEffectsSettings( 128 M4VSS3GPP_EffectSettings* pEffectSettings, int nEffects); 129 130 virtual status_t loadAudioMixSettings( 131 M4xVSS_AudioMixingSettings* pAudioMixSettings); 132 133 virtual status_t setAudioMixPCMFileHandle( 134 M4OSA_Context pAudioMixPCMFileHandle); 135 136 virtual status_t setAudioMixStoryBoardParam( 137 M4OSA_UInt32 x, M4OSA_UInt32 y, M4OSA_UInt32 z); 138 139 virtual status_t setPlaybackBeginTime(uint32_t msec); 140 virtual status_t setPlaybackEndTime(uint32_t msec); 141 virtual status_t setStoryboardStartTime(uint32_t msec); 142 virtual status_t setProgressCallbackInterval(uint32_t cbInterval); 143 144 virtual status_t setMediaRenderingMode(M4xVSS_MediaRendering mode, 145 M4VIDEOEDITING_VideoFrameSize outputVideoSize); 146 147 virtual status_t resetJniCallbackTimeStamp(); 148 virtual status_t setImageClipProperties(uint32_t width, uint32_t height); 149 virtual status_t readFirstVideoFrame(); 150 virtual status_t getLastRenderedTimeMs(uint32_t *lastRenderedTimeMs); 151 152 status_t setAudioPlayer(VideoEditorAudioPlayer *audioPlayer); 153 private: 154 PreviewPlayer *mPlayer; 155 sp<VeAudioOutput> mVeAudioSink; 156 157 VideoEditorPlayer(const VideoEditorPlayer &); 158 VideoEditorPlayer &operator=(const VideoEditorPlayer &); 159 }; 160 161 } // namespace android 162 163 #endif // ANDROID_VIDEOEDITOR_PLAYER_H 164