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