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 IGraphicBufferProducer; 39 class SurfaceMediaSource; 40 class ALooper; 41 42 struct StagefrightRecorder : public MediaRecorderBase { 43 StagefrightRecorder(); 44 virtual ~StagefrightRecorder(); 45 46 virtual status_t init(); 47 virtual status_t setAudioSource(audio_source_t as); 48 virtual status_t setVideoSource(video_source vs); 49 virtual status_t setOutputFormat(output_format of); 50 virtual status_t setAudioEncoder(audio_encoder ae); 51 virtual status_t setVideoEncoder(video_encoder ve); 52 virtual status_t setVideoSize(int width, int height); 53 virtual status_t setVideoFrameRate(int frames_per_second); 54 virtual status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy); 55 virtual status_t setPreviewSurface(const sp<IGraphicBufferProducer>& surface); 56 virtual status_t setOutputFile(const char *path); 57 virtual status_t setOutputFile(int fd, int64_t offset, int64_t length); 58 virtual status_t setParameters(const String8& params); 59 virtual status_t setListener(const sp<IMediaRecorderClient>& listener); 60 virtual status_t setClientName(const String16& clientName); 61 virtual status_t prepare(); 62 virtual status_t start(); 63 virtual status_t pause(); 64 virtual status_t stop(); 65 virtual status_t close(); 66 virtual status_t reset(); 67 virtual status_t getMaxAmplitude(int *max); 68 virtual status_t dump(int fd, const Vector<String16>& args) const; 69 // Querying a SurfaceMediaSourcer 70 virtual sp<IGraphicBufferProducer> querySurfaceMediaSource() const; 71 72 private: 73 sp<ICamera> mCamera; 74 sp<ICameraRecordingProxy> mCameraProxy; 75 sp<IGraphicBufferProducer> mPreviewSurface; 76 sp<IMediaRecorderClient> mListener; 77 String16 mClientName; 78 uid_t mClientUid; 79 sp<MediaWriter> mWriter; 80 int mOutputFd; 81 sp<AudioSource> mAudioSourceNode; 82 83 audio_source_t mAudioSource; 84 video_source mVideoSource; 85 output_format mOutputFormat; 86 audio_encoder mAudioEncoder; 87 video_encoder mVideoEncoder; 88 bool mUse64BitFileOffset; 89 int32_t mVideoWidth, mVideoHeight; 90 int32_t mFrameRate; 91 int32_t mVideoBitRate; 92 int32_t mAudioBitRate; 93 int32_t mAudioChannels; 94 int32_t mSampleRate; 95 int32_t mInterleaveDurationUs; 96 int32_t mIFramesIntervalSec; 97 int32_t mCameraId; 98 int32_t mVideoEncoderProfile; 99 int32_t mVideoEncoderLevel; 100 int32_t mMovieTimeScale; 101 int32_t mVideoTimeScale; 102 int32_t mAudioTimeScale; 103 int64_t mMaxFileSizeBytes; 104 int64_t mMaxFileDurationUs; 105 int64_t mTrackEveryTimeDurationUs; 106 int32_t mRotationDegrees; // Clockwise 107 int32_t mLatitudex10000; 108 int32_t mLongitudex10000; 109 int32_t mStartTimeOffsetMs; 110 int32_t mTotalBitRate; 111 112 bool mCaptureTimeLapse; 113 int64_t mTimeBetweenTimeLapseFrameCaptureUs; 114 sp<CameraSourceTimeLapse> mCameraSourceTimeLapse; 115 116 117 String8 mParams; 118 119 bool mIsMetaDataStoredInVideoBuffers; 120 MediaProfiles *mEncoderProfiles; 121 122 bool mStarted; 123 // Needed when GLFrames are encoded. 124 // An <IGraphicBufferProducer> pointer 125 // will be sent to the client side using which the 126 // frame buffers will be queued and dequeued 127 sp<IGraphicBufferProducer> mGraphicBufferProducer; 128 sp<ALooper> mLooper; 129 130 status_t prepareInternal(); 131 status_t setupMPEG4orWEBMRecording(); 132 void setupMPEG4orWEBMMetaData(sp<MetaData> *meta); 133 status_t setupAMRRecording(); 134 status_t setupAACRecording(); 135 status_t setupRawAudioRecording(); 136 status_t setupRTPRecording(); 137 status_t setupMPEG2TSRecording(); 138 sp<MediaSource> createAudioSource(); 139 status_t checkVideoEncoderCapabilities( 140 bool *supportsCameraSourceMetaDataMode); 141 status_t checkAudioEncoderCapabilities(); 142 // Generic MediaSource set-up. Returns the appropriate 143 // source (CameraSource or SurfaceMediaSource) 144 // depending on the videosource type 145 status_t setupMediaSource(sp<MediaSource> *mediaSource); 146 status_t setupCameraSource(sp<CameraSource> *cameraSource); 147 status_t setupAudioEncoder(const sp<MediaWriter>& writer); 148 status_t setupVideoEncoder(sp<MediaSource> cameraSource, sp<MediaSource> *source); 149 150 // Encoding parameter handling utilities 151 status_t setParameter(const String8 &key, const String8 &value); 152 status_t setParamAudioEncodingBitRate(int32_t bitRate); 153 status_t setParamAudioNumberOfChannels(int32_t channles); 154 status_t setParamAudioSamplingRate(int32_t sampleRate); 155 status_t setParamAudioTimeScale(int32_t timeScale); 156 status_t setParamTimeLapseEnable(int32_t timeLapseEnable); 157 status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs); 158 status_t setParamVideoEncodingBitRate(int32_t bitRate); 159 status_t setParamVideoIFramesInterval(int32_t seconds); 160 status_t setParamVideoEncoderProfile(int32_t profile); 161 status_t setParamVideoEncoderLevel(int32_t level); 162 status_t setParamVideoCameraId(int32_t cameraId); 163 status_t setParamVideoTimeScale(int32_t timeScale); 164 status_t setParamVideoRotation(int32_t degrees); 165 status_t setParamTrackTimeStatus(int64_t timeDurationUs); 166 status_t setParamInterleaveDuration(int32_t durationUs); 167 status_t setParam64BitFileOffset(bool use64BitFileOffset); 168 status_t setParamMaxFileDurationUs(int64_t timeUs); 169 status_t setParamMaxFileSizeBytes(int64_t bytes); 170 status_t setParamMovieTimeScale(int32_t timeScale); 171 status_t setParamGeoDataLongitude(int64_t longitudex10000); 172 status_t setParamGeoDataLatitude(int64_t latitudex10000); 173 void clipVideoBitRate(); 174 void clipVideoFrameRate(); 175 void clipVideoFrameWidth(); 176 void clipVideoFrameHeight(); 177 void clipAudioBitRate(); 178 void clipAudioSampleRate(); 179 void clipNumberOfAudioChannels(); 180 void setDefaultProfileIfNecessary(); 181 void setDefaultVideoEncoderIfNecessary(); 182 183 184 StagefrightRecorder(const StagefrightRecorder &); 185 StagefrightRecorder &operator=(const StagefrightRecorder &); 186 }; 187 188 } // namespace android 189 190 #endif // STAGEFRIGHT_RECORDER_H_ 191
