1 /* 2 * Copyright (C) 2009 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 STAGEFRIGHT_RECORDER_H_ 18 19 #define STAGEFRIGHT_RECORDER_H_ 20 21 #include <media/MediaAnalyticsItem.h> 22 #include <media/MediaRecorderBase.h> 23 #include <camera/CameraParameters.h> 24 #include <utils/String8.h> 25 26 #include <system/audio.h> 27 28 #include <MetadataBufferType.h> 29 30 namespace android { 31 32 class Camera; 33 class ICameraRecordingProxy; 34 class CameraSource; 35 class CameraSourceTimeLapse; 36 struct MediaCodecSource; 37 struct MediaSource; 38 struct MediaWriter; 39 class MetaData; 40 struct AudioSource; 41 class MediaProfiles; 42 struct ALooper; 43 44 struct StagefrightRecorder : public MediaRecorderBase { 45 explicit StagefrightRecorder(const String16 &opPackageName); 46 virtual ~StagefrightRecorder(); 47 virtual status_t init(); 48 virtual status_t setAudioSource(audio_source_t as); 49 virtual status_t setVideoSource(video_source vs); 50 virtual status_t setOutputFormat(output_format of); 51 virtual status_t setAudioEncoder(audio_encoder ae); 52 virtual status_t setVideoEncoder(video_encoder ve); 53 virtual status_t setVideoSize(int width, int height); 54 virtual status_t setVideoFrameRate(int frames_per_second); 55 virtual status_t setCamera(const sp<hardware::ICamera>& camera, const sp<ICameraRecordingProxy>& proxy); 56 virtual status_t setPreviewSurface(const sp<IGraphicBufferProducer>& surface); 57 virtual status_t setInputSurface(const sp<PersistentSurface>& surface); 58 virtual status_t setOutputFile(int fd); 59 virtual status_t setNextOutputFile(int fd); 60 virtual status_t setParameters(const String8 ¶ms); 61 virtual status_t setListener(const sp<IMediaRecorderClient> &listener); 62 virtual status_t setClientName(const String16 &clientName); 63 virtual status_t prepare(); 64 virtual status_t start(); 65 virtual status_t pause(); 66 virtual status_t resume(); 67 virtual status_t stop(); 68 virtual status_t close(); 69 virtual status_t reset(); 70 virtual status_t getMaxAmplitude(int *max); 71 virtual status_t getMetrics(Parcel *reply); 72 virtual status_t dump(int fd, const Vector<String16> &args) const; 73 // Querying a SurfaceMediaSourcer 74 virtual sp<IGraphicBufferProducer> querySurfaceMediaSource() const; 75 76 private: 77 mutable Mutex mLock; 78 sp<hardware::ICamera> mCamera; 79 sp<ICameraRecordingProxy> mCameraProxy; 80 sp<IGraphicBufferProducer> mPreviewSurface; 81 sp<PersistentSurface> mPersistentSurface; 82 sp<IMediaRecorderClient> mListener; 83 String16 mClientName; 84 uid_t mClientUid; 85 pid_t mClientPid; 86 sp<MediaWriter> mWriter; 87 int mOutputFd; 88 sp<AudioSource> mAudioSourceNode; 89 90 MediaAnalyticsItem *mAnalyticsItem; 91 bool mAnalyticsDirty; 92 void resetMetrics(); 93 void updateMetrics(); 94 95 audio_source_t mAudioSource; 96 video_source mVideoSource; 97 output_format mOutputFormat; 98 audio_encoder mAudioEncoder; 99 video_encoder mVideoEncoder; 100 bool mUse64BitFileOffset; 101 int32_t mVideoWidth, mVideoHeight; 102 int32_t mFrameRate; 103 int32_t mVideoBitRate; 104 int32_t mAudioBitRate; 105 int32_t mAudioChannels; 106 int32_t mSampleRate; 107 int32_t mInterleaveDurationUs; 108 int32_t mIFramesIntervalSec; 109 int32_t mCameraId; 110 int32_t mVideoEncoderProfile; 111 int32_t mVideoEncoderLevel; 112 int32_t mMovieTimeScale; 113 int32_t mVideoTimeScale; 114 int32_t mAudioTimeScale; 115 int64_t mMaxFileSizeBytes; 116 int64_t mMaxFileDurationUs; 117 int64_t mTrackEveryTimeDurationUs; 118 int32_t mRotationDegrees; // Clockwise 119 int32_t mLatitudex10000; 120 int32_t mLongitudex10000; 121 int32_t mStartTimeOffsetMs; 122 int32_t mTotalBitRate; 123 124 bool mCaptureFpsEnable; 125 double mCaptureFps; 126 int64_t mTimeBetweenCaptureUs; 127 sp<CameraSourceTimeLapse> mCameraSourceTimeLapse; 128 129 String8 mParams; 130 131 MetadataBufferType mMetaDataStoredInVideoBuffers; 132 MediaProfiles *mEncoderProfiles; 133 134 int64_t mPauseStartTimeUs; 135 int64_t mTotalPausedDurationUs; 136 sp<MediaCodecSource> mAudioEncoderSource; 137 sp<MediaCodecSource> mVideoEncoderSource; 138 139 bool mStarted; 140 // Needed when GLFrames are encoded. 141 // An <IGraphicBufferProducer> pointer 142 // will be sent to the client side using which the 143 // frame buffers will be queued and dequeued 144 sp<IGraphicBufferProducer> mGraphicBufferProducer; 145 sp<ALooper> mLooper; 146 147 static const int kMaxHighSpeedFps = 1000; 148 149 status_t prepareInternal(); 150 status_t setupMPEG4orWEBMRecording(); 151 void setupMPEG4orWEBMMetaData(sp<MetaData> *meta); 152 status_t setupAMRRecording(); 153 status_t setupAACRecording(); 154 status_t setupRawAudioRecording(); 155 status_t setupRTPRecording(); 156 status_t setupMPEG2TSRecording(); 157 sp<MediaCodecSource> createAudioSource(); 158 status_t checkVideoEncoderCapabilities(); 159 status_t checkAudioEncoderCapabilities(); 160 // Generic MediaSource set-up. Returns the appropriate 161 // source (CameraSource or SurfaceMediaSource) 162 // depending on the videosource type 163 status_t setupMediaSource(sp<MediaSource> *mediaSource); 164 status_t setupCameraSource(sp<CameraSource> *cameraSource); 165 status_t setupAudioEncoder(const sp<MediaWriter>& writer); 166 status_t setupVideoEncoder(const sp<MediaSource>& cameraSource, sp<MediaCodecSource> *source); 167 168 // Encoding parameter handling utilities 169 status_t setParameter(const String8 &key, const String8 &value); 170 status_t setParamAudioEncodingBitRate(int32_t bitRate); 171 status_t setParamAudioNumberOfChannels(int32_t channles); 172 status_t setParamAudioSamplingRate(int32_t sampleRate); 173 status_t setParamAudioTimeScale(int32_t timeScale); 174 status_t setParamCaptureFpsEnable(int32_t timeLapseEnable); 175 status_t setParamCaptureFps(double fps); 176 status_t setParamVideoEncodingBitRate(int32_t bitRate); 177 status_t setParamVideoIFramesInterval(int32_t seconds); 178 status_t setParamVideoEncoderProfile(int32_t profile); 179 status_t setParamVideoEncoderLevel(int32_t level); 180 status_t setParamVideoCameraId(int32_t cameraId); 181 status_t setParamVideoTimeScale(int32_t timeScale); 182 status_t setParamVideoRotation(int32_t degrees); 183 status_t setParamTrackTimeStatus(int64_t timeDurationUs); 184 status_t setParamInterleaveDuration(int32_t durationUs); 185 status_t setParam64BitFileOffset(bool use64BitFileOffset); 186 status_t setParamMaxFileDurationUs(int64_t timeUs); 187 status_t setParamMaxFileSizeBytes(int64_t bytes); 188 status_t setParamMovieTimeScale(int32_t timeScale); 189 status_t setParamGeoDataLongitude(int64_t longitudex10000); 190 status_t setParamGeoDataLatitude(int64_t latitudex10000); 191 void clipVideoBitRate(); 192 void clipVideoFrameRate(); 193 void clipVideoFrameWidth(); 194 void clipVideoFrameHeight(); 195 void clipAudioBitRate(); 196 void clipAudioSampleRate(); 197 void clipNumberOfAudioChannels(); 198 void setDefaultProfileIfNecessary(); 199 void setDefaultVideoEncoderIfNecessary(); 200 201 202 StagefrightRecorder(const StagefrightRecorder &); 203 StagefrightRecorder &operator=(const StagefrightRecorder &); 204 }; 205 206 } // namespace android 207 208 #endif // STAGEFRIGHT_RECORDER_H_ 209