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 ISurfaceTexture; 39 class SurfaceMediaSource; 40 41 struct StagefrightRecorder : public MediaRecorderBase { 42 StagefrightRecorder(); 43 virtual ~StagefrightRecorder(); 44 45 virtual status_t init(); 46 virtual status_t setAudioSource(audio_source_t as); 47 virtual status_t setVideoSource(video_source vs); 48 virtual status_t setOutputFormat(output_format of); 49 virtual status_t setAudioEncoder(audio_encoder ae); 50 virtual status_t setVideoEncoder(video_encoder ve); 51 virtual status_t setVideoSize(int width, int height); 52 virtual status_t setVideoFrameRate(int frames_per_second); 53 virtual status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy); 54 virtual status_t setPreviewSurface(const sp<Surface>& surface); 55 virtual status_t setOutputFile(const char *path); 56 virtual status_t setOutputFile(int fd, int64_t offset, int64_t length); 57 virtual status_t setParameters(const String8& params); 58 virtual status_t setListener(const sp<IMediaRecorderClient>& listener); 59 virtual status_t prepare(); 60 virtual status_t start(); 61 virtual status_t pause(); 62 virtual status_t stop(); 63 virtual status_t close(); 64 virtual status_t reset(); 65 virtual status_t getMaxAmplitude(int *max); 66 virtual status_t dump(int fd, const Vector<String16>& args) const; 67 // Querying a SurfaceMediaSourcer 68 virtual sp<ISurfaceTexture> querySurfaceMediaSource() const; 69 70 private: 71 sp<ICamera> mCamera; 72 sp<ICameraRecordingProxy> mCameraProxy; 73 sp<Surface> mPreviewSurface; 74 sp<IMediaRecorderClient> mListener; 75 sp<MediaWriter> mWriter; 76 int mOutputFd; 77 sp<AudioSource> mAudioSourceNode; 78 79 audio_source_t mAudioSource; 80 video_source mVideoSource; 81 output_format mOutputFormat; 82 audio_encoder mAudioEncoder; 83 video_encoder mVideoEncoder; 84 bool mUse64BitFileOffset; 85 int32_t mVideoWidth, mVideoHeight; 86 int32_t mFrameRate; 87 int32_t mVideoBitRate; 88 int32_t mAudioBitRate; 89 int32_t mAudioChannels; 90 int32_t mSampleRate; 91 int32_t mInterleaveDurationUs; 92 int32_t mIFramesIntervalSec; 93 int32_t mCameraId; 94 int32_t mVideoEncoderProfile; 95 int32_t mVideoEncoderLevel; 96 int32_t mMovieTimeScale; 97 int32_t mVideoTimeScale; 98 int32_t mAudioTimeScale; 99 int64_t mMaxFileSizeBytes; 100 int64_t mMaxFileDurationUs; 101 int64_t mTrackEveryTimeDurationUs; 102 int32_t mRotationDegrees; // Clockwise 103 int32_t mLatitudex10000; 104 int32_t mLongitudex10000; 105 int32_t mStartTimeOffsetMs; 106 107 bool mCaptureTimeLapse; 108 int64_t mTimeBetweenTimeLapseFrameCaptureUs; 109 sp<CameraSourceTimeLapse> mCameraSourceTimeLapse; 110 111 112 String8 mParams; 113 114 bool mIsMetaDataStoredInVideoBuffers; 115 MediaProfiles *mEncoderProfiles; 116 117 bool mStarted; 118 // Needed when GLFrames are encoded. 119 // An <ISurfaceTexture> pointer 120 // will be sent to the client side using which the 121 // frame buffers will be queued and dequeued 122 sp<SurfaceMediaSource> mSurfaceMediaSource; 123 124 status_t setupMPEG4Recording( 125 int outputFd, 126 int32_t videoWidth, int32_t videoHeight, 127 int32_t videoBitRate, 128 int32_t *totalBitRate, 129 sp<MediaWriter> *mediaWriter); 130 void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate, 131 sp<MetaData> *meta); 132 status_t startMPEG4Recording(); 133 status_t startAMRRecording(); 134 status_t startAACRecording(); 135 status_t startRawAudioRecording(); 136 status_t startRTPRecording(); 137 status_t startMPEG2TSRecording(); 138 sp<MediaSource> createAudioSource(); 139 status_t checkVideoEncoderCapabilities(); 140 status_t checkAudioEncoderCapabilities(); 141 // Generic MediaSource set-up. Returns the appropriate 142 // source (CameraSource or SurfaceMediaSource) 143 // depending on the videosource type 144 status_t setupMediaSource(sp<MediaSource> *mediaSource); 145 status_t setupCameraSource(sp<CameraSource> *cameraSource); 146 // setup the surfacemediasource for the encoder 147 status_t setupSurfaceMediaSource(); 148 149 status_t setupAudioEncoder(const sp<MediaWriter>& writer); 150 status_t setupVideoEncoder( 151 sp<MediaSource> cameraSource, 152 int32_t videoBitRate, 153 sp<MediaSource> *source); 154 155 // Encoding parameter handling utilities 156 status_t setParameter(const String8 &key, const String8 &value); 157 status_t setParamAudioEncodingBitRate(int32_t bitRate); 158 status_t setParamAudioNumberOfChannels(int32_t channles); 159 status_t setParamAudioSamplingRate(int32_t sampleRate); 160 status_t setParamAudioTimeScale(int32_t timeScale); 161 status_t setParamTimeLapseEnable(int32_t timeLapseEnable); 162 status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs); 163 status_t setParamVideoEncodingBitRate(int32_t bitRate); 164 status_t setParamVideoIFramesInterval(int32_t seconds); 165 status_t setParamVideoEncoderProfile(int32_t profile); 166 status_t setParamVideoEncoderLevel(int32_t level); 167 status_t setParamVideoCameraId(int32_t cameraId); 168 status_t setParamVideoTimeScale(int32_t timeScale); 169 status_t setParamVideoRotation(int32_t degrees); 170 status_t setParamTrackTimeStatus(int64_t timeDurationUs); 171 status_t setParamInterleaveDuration(int32_t durationUs); 172 status_t setParam64BitFileOffset(bool use64BitFileOffset); 173 status_t setParamMaxFileDurationUs(int64_t timeUs); 174 status_t setParamMaxFileSizeBytes(int64_t bytes); 175 status_t setParamMovieTimeScale(int32_t timeScale); 176 status_t setParamGeoDataLongitude(int64_t longitudex10000); 177 status_t setParamGeoDataLatitude(int64_t latitudex10000); 178 void clipVideoBitRate(); 179 void clipVideoFrameRate(); 180 void clipVideoFrameWidth(); 181 void clipVideoFrameHeight(); 182 void clipAudioBitRate(); 183 void clipAudioSampleRate(); 184 void clipNumberOfAudioChannels(); 185 void setDefaultProfileIfNecessary(); 186 187 188 StagefrightRecorder(const StagefrightRecorder &); 189 StagefrightRecorder &operator=(const StagefrightRecorder &); 190 }; 191 192 } // namespace android 193 194 #endif // STAGEFRIGHT_RECORDER_H_ 195
