StagefrightRecorder.h revision 75b0b5473c7b43f8c5972db7e6e8930988ead751
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 25namespace android { 26 27class Camera; 28class CameraSource; 29class CameraSourceTimeLapse; 30class MediaSourceSplitter; 31struct MediaSource; 32struct MediaWriter; 33class MetaData; 34struct AudioSource; 35class MediaProfiles; 36 37struct StagefrightRecorder : public MediaRecorderBase { 38 StagefrightRecorder(); 39 virtual ~StagefrightRecorder(); 40 41 virtual status_t init(); 42 virtual status_t setAudioSource(audio_source as); 43 virtual status_t setVideoSource(video_source vs); 44 virtual status_t setOutputFormat(output_format of); 45 virtual status_t setAudioEncoder(audio_encoder ae); 46 virtual status_t setVideoEncoder(video_encoder ve); 47 virtual status_t setVideoSize(int width, int height); 48 virtual status_t setVideoFrameRate(int frames_per_second); 49 virtual status_t setCamera(const sp<ICamera>& camera); 50 virtual status_t setPreviewSurface(const sp<Surface>& surface); 51 virtual status_t setOutputFile(const char *path); 52 virtual status_t setOutputFile(int fd, int64_t offset, int64_t length); 53 virtual status_t setOutputFileAuxiliary(int fd); 54 virtual status_t setParameters(const String8& params); 55 virtual status_t setListener(const sp<IMediaRecorderClient>& listener); 56 virtual status_t prepare(); 57 virtual status_t start(); 58 virtual status_t pause(); 59 virtual status_t stop(); 60 virtual status_t close(); 61 virtual status_t reset(); 62 virtual status_t getMaxAmplitude(int *max); 63 virtual status_t dump(int fd, const Vector<String16>& args) const; 64 65private: 66 sp<ICamera> mCamera; 67 sp<Surface> mPreviewSurface; 68 sp<IMediaRecorderClient> mListener; 69 sp<MediaWriter> mWriter, mWriterAux; 70 sp<AudioSource> mAudioSourceNode; 71 72 audio_source mAudioSource; 73 video_source mVideoSource; 74 output_format mOutputFormat; 75 audio_encoder mAudioEncoder; 76 video_encoder mVideoEncoder; 77 bool mUse64BitFileOffset; 78 int32_t mVideoWidth, mVideoHeight; 79 int32_t mAuxVideoWidth, mAuxVideoHeight; 80 int32_t mFrameRate; 81 int32_t mVideoBitRate, mAuxVideoBitRate; 82 int32_t mAudioBitRate; 83 int32_t mAudioChannels; 84 int32_t mSampleRate; 85 int32_t mInterleaveDurationUs; 86 int32_t mIFramesIntervalSec; 87 int32_t mCameraId; 88 int32_t mVideoEncoderProfile; 89 int32_t mVideoEncoderLevel; 90 int32_t mMovieTimeScale; 91 int32_t mVideoTimeScale; 92 int32_t mAudioTimeScale; 93 int64_t mMaxFileSizeBytes; 94 int64_t mMaxFileDurationUs; 95 int64_t mTrackEveryTimeDurationUs; 96 int32_t mRotationDegrees; // Clockwise 97 98 bool mCaptureTimeLapse; 99 int64_t mTimeBetweenTimeLapseFrameCaptureUs; 100 bool mCaptureAuxVideo; 101 sp<MediaSourceSplitter> mCameraSourceSplitter; 102 sp<CameraSourceTimeLapse> mCameraSourceTimeLapse; 103 104 String8 mParams; 105 int mOutputFd, mOutputFdAux; 106 107 bool mIsMetaDataStoredInVideoBuffers; 108 MediaProfiles *mEncoderProfiles; 109 110 bool mStarted; 111 112 status_t setupMPEG4Recording( 113 bool useSplitCameraSource, 114 int outputFd, 115 int32_t videoWidth, int32_t videoHeight, 116 int32_t videoBitRate, 117 int32_t *totalBitRate, 118 sp<MediaWriter> *mediaWriter); 119 void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate, 120 sp<MetaData> *meta); 121 status_t startMPEG4Recording(); 122 status_t startAMRRecording(); 123 status_t startAACRecording(); 124 status_t startRTPRecording(); 125 status_t startMPEG2TSRecording(); 126 sp<MediaSource> createAudioSource(); 127 status_t checkVideoEncoderCapabilities(); 128 status_t checkAudioEncoderCapabilities(); 129 status_t setupCameraSource(sp<CameraSource> *cameraSource); 130 status_t setupAudioEncoder(const sp<MediaWriter>& writer); 131 status_t setupVideoEncoder( 132 sp<MediaSource> cameraSource, 133 int32_t videoBitRate, 134 sp<MediaSource> *source); 135 136 // Encoding parameter handling utilities 137 status_t setParameter(const String8 &key, const String8 &value); 138 status_t setParamAudioEncodingBitRate(int32_t bitRate); 139 status_t setParamAudioNumberOfChannels(int32_t channles); 140 status_t setParamAudioSamplingRate(int32_t sampleRate); 141 status_t setParamAudioTimeScale(int32_t timeScale); 142 status_t setParamTimeLapseEnable(int32_t timeLapseEnable); 143 status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs); 144 status_t setParamAuxVideoHeight(int32_t height); 145 status_t setParamAuxVideoWidth(int32_t width); 146 status_t setParamAuxVideoEncodingBitRate(int32_t bitRate); 147 status_t setParamVideoEncodingBitRate(int32_t bitRate); 148 status_t setParamVideoIFramesInterval(int32_t seconds); 149 status_t setParamVideoEncoderProfile(int32_t profile); 150 status_t setParamVideoEncoderLevel(int32_t level); 151 status_t setParamVideoCameraId(int32_t cameraId); 152 status_t setParamVideoTimeScale(int32_t timeScale); 153 status_t setParamVideoRotation(int32_t degrees); 154 status_t setParamTrackTimeStatus(int64_t timeDurationUs); 155 status_t setParamInterleaveDuration(int32_t durationUs); 156 status_t setParam64BitFileOffset(bool use64BitFileOffset); 157 status_t setParamMaxFileDurationUs(int64_t timeUs); 158 status_t setParamMaxFileSizeBytes(int64_t bytes); 159 status_t setParamMovieTimeScale(int32_t timeScale); 160 void clipVideoBitRate(); 161 void clipVideoFrameRate(); 162 void clipVideoFrameWidth(); 163 void clipVideoFrameHeight(); 164 void clipAudioBitRate(); 165 void clipAudioSampleRate(); 166 void clipNumberOfAudioChannels(); 167 168 StagefrightRecorder(const StagefrightRecorder &); 169 StagefrightRecorder &operator=(const StagefrightRecorder &); 170}; 171 172} // namespace android 173 174#endif // STAGEFRIGHT_RECORDER_H_ 175