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 virtual uint32_t getSampleRate() const; 52 53 virtual status_t open( 54 uint32_t sampleRate, int channelCount, audio_channel_mask_t channelMask, 55 audio_format_t format, int bufferCount, 56 AudioCallback cb, void *cookie, audio_output_flags_t flags, 57 const audio_offload_info_t *offloadInfo); 58 59 virtual status_t start(); 60 virtual ssize_t write(const void* buffer, size_t size); 61 virtual void stop(); 62 virtual void flush(); 63 virtual void pause(); 64 virtual void close(); 65 void setAudioStreamType(audio_stream_type_t streamType) { mStreamType = streamType; } 66 virtual audio_stream_type_t getAudioStreamType() const { return mStreamType; } 67 void setVolume(float left, float right); 68 virtual status_t dump(int fd,const Vector<String16>& args) const; 69 70 static bool isOnEmulator(); 71 static int getMinBufferCount(); 72 private: 73 static void setMinBufferCount(); 74 static void CallbackWrapper( 75 int event, void *me, void *info); 76 77 sp<AudioTrack> mTrack; 78 AudioCallback mCallback; 79 void * mCallbackCookie; 80 audio_stream_type_t mStreamType; 81 float mLeftVolume; 82 float mRightVolume; 83 float mMsecsPerFrame; 84 uint32_t mLatency; 85 int mSessionId; 86 static bool mIsOnEmulator; 87 static int mMinBufferCount; // 12 for emulator; otherwise 4 88 89 public: 90 uint32_t mNumFramesWritten; 91 void snoopWrite(const void*, size_t); 92 }; 93 94 public: 95 VideoEditorPlayer(NativeWindowRenderer* renderer); 96 virtual ~VideoEditorPlayer(); 97 98 virtual status_t initCheck(); 99 100 virtual status_t setDataSource( 101 const char *url, const KeyedVector<String8, String8> *headers); 102 103 virtual status_t setDataSource(int fd, int64_t offset, int64_t length); 104 virtual status_t setVideoSurface(const sp<Surface> &surface); 105 virtual status_t setVideoSurfaceTexture(const sp<IGraphicBufferProducer> &bufferProducer); 106 virtual status_t prepare(); 107 virtual status_t prepareAsync(); 108 virtual status_t start(); 109 virtual status_t stop(); 110 virtual status_t pause(); 111 virtual bool isPlaying(); 112 virtual status_t seekTo(int msec); 113 virtual status_t getCurrentPosition(int *msec); 114 virtual status_t getDuration(int *msec); 115 virtual status_t reset(); 116 virtual status_t setLooping(int loop); 117 virtual player_type playerType(); 118 virtual status_t invoke(const Parcel &request, Parcel *reply); 119 virtual void setAudioSink(const sp<AudioSink> &audioSink); 120 virtual void acquireLock(); 121 virtual void releaseLock(); 122 virtual status_t setParameter(int key, const Parcel &request); 123 virtual status_t getParameter(int key, Parcel *reply); 124 125 virtual status_t getMetadata( 126 const media::Metadata::Filter& ids, Parcel *records); 127 128 virtual status_t loadEffectsSettings( 129 M4VSS3GPP_EffectSettings* pEffectSettings, int nEffects); 130 131 virtual status_t loadAudioMixSettings( 132 M4xVSS_AudioMixingSettings* pAudioMixSettings); 133 134 virtual status_t setAudioMixPCMFileHandle( 135 M4OSA_Context pAudioMixPCMFileHandle); 136 137 virtual status_t setAudioMixStoryBoardParam( 138 M4OSA_UInt32 x, M4OSA_UInt32 y, M4OSA_UInt32 z); 139 140 virtual status_t setPlaybackBeginTime(uint32_t msec); 141 virtual status_t setPlaybackEndTime(uint32_t msec); 142 virtual status_t setStoryboardStartTime(uint32_t msec); 143 virtual status_t setProgressCallbackInterval(uint32_t cbInterval); 144 145 virtual status_t setMediaRenderingMode(M4xVSS_MediaRendering mode, 146 M4VIDEOEDITING_VideoFrameSize outputVideoSize); 147 148 virtual status_t resetJniCallbackTimeStamp(); 149 virtual status_t setImageClipProperties(uint32_t width, uint32_t height); 150 virtual status_t readFirstVideoFrame(); 151 virtual status_t getLastRenderedTimeMs(uint32_t *lastRenderedTimeMs); 152 153 status_t setAudioPlayer(VideoEditorAudioPlayer *audioPlayer); 154 private: 155 PreviewPlayer *mPlayer; 156 sp<VeAudioOutput> mVeAudioSink; 157 158 VideoEditorPlayer(const VideoEditorPlayer &); 159 VideoEditorPlayer &operator=(const VideoEditorPlayer &); 160 }; 161 162 } // namespace android 163 164 #endif // ANDROID_VIDEOEDITOR_PLAYER_H 165
