StagefrightRecorder.h revision 760943b5e7a09b602aba04ec451e97662f48b0a4
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 <hardware/audio.h> 26 27namespace android { 28 29class Camera; 30class CameraSource; 31class CameraSourceTimeLapse; 32class MediaSourceSplitter; 33struct MediaSource; 34struct MediaWriter; 35class MetaData; 36struct AudioSource; 37class MediaProfiles; 38 39struct StagefrightRecorder : public MediaRecorderBase { 40 StagefrightRecorder(); 41 virtual ~StagefrightRecorder(); 42 43 virtual status_t init(); 44 virtual status_t setAudioSource(audio_source_t as); 45 virtual status_t setVideoSource(video_source vs); 46 virtual status_t setOutputFormat(output_format of); 47 virtual status_t setAudioEncoder(audio_encoder ae); 48 virtual status_t setVideoEncoder(video_encoder ve); 49 virtual status_t setVideoSize(int width, int height); 50 virtual status_t setVideoFrameRate(int frames_per_second); 51 virtual status_t setCamera(const sp<ICamera>& camera); 52 virtual status_t setPreviewSurface(const sp<Surface>& surface); 53 virtual status_t setOutputFile(const char *path); 54 virtual status_t setOutputFile(int fd, int64_t offset, int64_t length); 55 virtual status_t setOutputFileAuxiliary(int fd); 56 virtual status_t setParameters(const String8& params); 57 virtual status_t setListener(const sp<IMediaRecorderClient>& listener); 58 virtual status_t prepare(); 59 virtual status_t start(); 60 virtual status_t pause(); 61 virtual status_t stop(); 62 virtual status_t close(); 63 virtual status_t reset(); 64 virtual status_t getMaxAmplitude(int *max); 65 virtual status_t dump(int fd, const Vector<String16>& args) const; 66 67private: 68 sp<ICamera> mCamera; 69 sp<Surface> mPreviewSurface; 70 sp<IMediaRecorderClient> mListener; 71 sp<MediaWriter> mWriter, mWriterAux; 72 int mOutputFd, mOutputFdAux; 73 sp<AudioSource> mAudioSourceNode; 74 75 audio_source_t mAudioSource; 76 video_source mVideoSource; 77 output_format mOutputFormat; 78 audio_encoder mAudioEncoder; 79 video_encoder mVideoEncoder; 80 bool mUse64BitFileOffset; 81 int32_t mVideoWidth, mVideoHeight; 82 int32_t mAuxVideoWidth, mAuxVideoHeight; 83 int32_t mFrameRate; 84 int32_t mVideoBitRate, mAuxVideoBitRate; 85 int32_t mAudioBitRate; 86 int32_t mAudioChannels; 87 int32_t mSampleRate; 88 int32_t mInterleaveDurationUs; 89 int32_t mIFramesIntervalSec; 90 int32_t mCameraId; 91 int32_t mVideoEncoderProfile; 92 int32_t mVideoEncoderLevel; 93 int32_t mMovieTimeScale; 94 int32_t mVideoTimeScale; 95 int32_t mAudioTimeScale; 96 int64_t mMaxFileSizeBytes; 97 int64_t mMaxFileDurationUs; 98 int64_t mTrackEveryTimeDurationUs; 99 int32_t mRotationDegrees; // Clockwise 100 101 bool mCaptureTimeLapse; 102 int64_t mTimeBetweenTimeLapseFrameCaptureUs; 103 bool mCaptureAuxVideo; 104 sp<MediaSourceSplitter> mCameraSourceSplitter; 105 sp<CameraSourceTimeLapse> mCameraSourceTimeLapse; 106 107 String8 mParams; 108 109 bool mIsMetaDataStoredInVideoBuffers; 110 MediaProfiles *mEncoderProfiles; 111 112 bool mStarted; 113 114 status_t setupMPEG4Recording( 115 bool useSplitCameraSource, 116 int outputFd, 117 int32_t videoWidth, int32_t videoHeight, 118 int32_t videoBitRate, 119 int32_t *totalBitRate, 120 sp<MediaWriter> *mediaWriter); 121 void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate, 122 sp<MetaData> *meta); 123 status_t startMPEG4Recording(); 124 status_t startAMRRecording(); 125 status_t startAACRecording(); 126 status_t startRawAudioRecording(); 127 status_t startRTPRecording(); 128 status_t startMPEG2TSRecording(); 129 sp<MediaSource> createAudioSource(); 130 status_t checkVideoEncoderCapabilities(); 131 status_t checkAudioEncoderCapabilities(); 132 status_t setupCameraSource(sp<CameraSource> *cameraSource); 133 status_t setupAudioEncoder(const sp<MediaWriter>& writer); 134 status_t setupVideoEncoder( 135 sp<MediaSource> cameraSource, 136 int32_t videoBitRate, 137 sp<MediaSource> *source); 138 139 // Encoding parameter handling utilities 140 status_t setParameter(const String8 &key, const String8 &value); 141 status_t setParamAudioEncodingBitRate(int32_t bitRate); 142 status_t setParamAudioNumberOfChannels(int32_t channles); 143 status_t setParamAudioSamplingRate(int32_t sampleRate); 144 status_t setParamAudioTimeScale(int32_t timeScale); 145 status_t setParamTimeLapseEnable(int32_t timeLapseEnable); 146 status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs); 147 status_t setParamAuxVideoHeight(int32_t height); 148 status_t setParamAuxVideoWidth(int32_t width); 149 status_t setParamAuxVideoEncodingBitRate(int32_t bitRate); 150 status_t setParamVideoEncodingBitRate(int32_t bitRate); 151 status_t setParamVideoIFramesInterval(int32_t seconds); 152 status_t setParamVideoEncoderProfile(int32_t profile); 153 status_t setParamVideoEncoderLevel(int32_t level); 154 status_t setParamVideoCameraId(int32_t cameraId); 155 status_t setParamVideoTimeScale(int32_t timeScale); 156 status_t setParamVideoRotation(int32_t degrees); 157 status_t setParamTrackTimeStatus(int64_t timeDurationUs); 158 status_t setParamInterleaveDuration(int32_t durationUs); 159 status_t setParam64BitFileOffset(bool use64BitFileOffset); 160 status_t setParamMaxFileDurationUs(int64_t timeUs); 161 status_t setParamMaxFileSizeBytes(int64_t bytes); 162 status_t setParamMovieTimeScale(int32_t timeScale); 163 void clipVideoBitRate(); 164 void clipVideoFrameRate(); 165 void clipVideoFrameWidth(); 166 void clipVideoFrameHeight(); 167 void clipAudioBitRate(); 168 void clipAudioSampleRate(); 169 void clipNumberOfAudioChannels(); 170 171 StagefrightRecorder(const StagefrightRecorder &); 172 StagefrightRecorder &operator=(const StagefrightRecorder &); 173}; 174 175} // namespace android 176 177#endif // STAGEFRIGHT_RECORDER_H_ 178