StagefrightRecorder.h revision c9f122d8f32ba6928ac9087448025fa3bed1553d
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 27namespace android { 28 29class Camera; 30class ICameraRecordingProxy; 31class CameraSource; 32class CameraSourceTimeLapse; 33struct MediaSource; 34struct MediaWriter; 35class MetaData; 36struct AudioSource; 37class MediaProfiles; 38class IGraphicBufferProducer; 39class SurfaceMediaSource; 40class ALooper; 41 42struct 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(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 setClientName(const String16& clientName); 60 virtual status_t prepare(); 61 virtual status_t start(); 62 virtual status_t pause(); 63 virtual status_t stop(); 64 virtual status_t close(); 65 virtual status_t reset(); 66 virtual status_t getMaxAmplitude(int *max); 67 virtual status_t dump(int fd, const Vector<String16>& args) const; 68 // Querying a SurfaceMediaSourcer 69 virtual sp<IGraphicBufferProducer> querySurfaceMediaSource() const; 70 71private: 72 sp<ICamera> mCamera; 73 sp<ICameraRecordingProxy> mCameraProxy; 74 sp<IGraphicBufferProducer> mPreviewSurface; 75 sp<IMediaRecorderClient> mListener; 76 String16 mClientName; 77 uid_t mClientUid; 78 sp<MediaWriter> mWriter; 79 int mOutputFd; 80 sp<AudioSource> mAudioSourceNode; 81 82 audio_source_t mAudioSource; 83 video_source mVideoSource; 84 output_format mOutputFormat; 85 audio_encoder mAudioEncoder; 86 video_encoder mVideoEncoder; 87 bool mUse64BitFileOffset; 88 int32_t mVideoWidth, mVideoHeight; 89 int32_t mFrameRate; 90 int32_t mVideoBitRate; 91 int32_t mAudioBitRate; 92 int32_t mAudioChannels; 93 int32_t mSampleRate; 94 int32_t mInterleaveDurationUs; 95 int32_t mIFramesIntervalSec; 96 int32_t mCameraId; 97 int32_t mVideoEncoderProfile; 98 int32_t mVideoEncoderLevel; 99 int32_t mMovieTimeScale; 100 int32_t mVideoTimeScale; 101 int32_t mAudioTimeScale; 102 int64_t mMaxFileSizeBytes; 103 int64_t mMaxFileDurationUs; 104 int64_t mTrackEveryTimeDurationUs; 105 int32_t mRotationDegrees; // Clockwise 106 int32_t mLatitudex10000; 107 int32_t mLongitudex10000; 108 int32_t mStartTimeOffsetMs; 109 int32_t mTotalBitRate; 110 111 bool mCaptureTimeLapse; 112 int64_t mTimeBetweenTimeLapseFrameCaptureUs; 113 sp<CameraSourceTimeLapse> mCameraSourceTimeLapse; 114 115 116 String8 mParams; 117 118 bool mIsMetaDataStoredInVideoBuffers; 119 MediaProfiles *mEncoderProfiles; 120 121 bool mStarted; 122 // Needed when GLFrames are encoded. 123 // An <IGraphicBufferProducer> pointer 124 // will be sent to the client side using which the 125 // frame buffers will be queued and dequeued 126 sp<IGraphicBufferProducer> mGraphicBufferProducer; 127 sp<ALooper> mLooper; 128 129 static const int kMaxHighSpeedFps = 1000; 130 131 status_t prepareInternal(); 132 status_t setupMPEG4orWEBMRecording(); 133 void setupMPEG4orWEBMMetaData(sp<MetaData> *meta); 134 status_t setupAMRRecording(); 135 status_t setupAACRecording(); 136 status_t setupRawAudioRecording(); 137 status_t setupRTPRecording(); 138 status_t setupMPEG2TSRecording(); 139 sp<MediaSource> createAudioSource(); 140 status_t checkVideoEncoderCapabilities( 141 bool *supportsCameraSourceMetaDataMode); 142 status_t checkAudioEncoderCapabilities(); 143 // Generic MediaSource set-up. Returns the appropriate 144 // source (CameraSource or SurfaceMediaSource) 145 // depending on the videosource type 146 status_t setupMediaSource(sp<MediaSource> *mediaSource); 147 status_t setupCameraSource(sp<CameraSource> *cameraSource); 148 status_t setupAudioEncoder(const sp<MediaWriter>& writer); 149 status_t setupVideoEncoder(sp<MediaSource> cameraSource, sp<MediaSource> *source); 150 151 // Encoding parameter handling utilities 152 status_t setParameter(const String8 &key, const String8 &value); 153 status_t setParamAudioEncodingBitRate(int32_t bitRate); 154 status_t setParamAudioNumberOfChannels(int32_t channles); 155 status_t setParamAudioSamplingRate(int32_t sampleRate); 156 status_t setParamAudioTimeScale(int32_t timeScale); 157 status_t setParamTimeLapseEnable(int32_t timeLapseEnable); 158 status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs); 159 status_t setParamVideoEncodingBitRate(int32_t bitRate); 160 status_t setParamVideoIFramesInterval(int32_t seconds); 161 status_t setParamVideoEncoderProfile(int32_t profile); 162 status_t setParamVideoEncoderLevel(int32_t level); 163 status_t setParamVideoCameraId(int32_t cameraId); 164 status_t setParamVideoTimeScale(int32_t timeScale); 165 status_t setParamVideoRotation(int32_t degrees); 166 status_t setParamTrackTimeStatus(int64_t timeDurationUs); 167 status_t setParamInterleaveDuration(int32_t durationUs); 168 status_t setParam64BitFileOffset(bool use64BitFileOffset); 169 status_t setParamMaxFileDurationUs(int64_t timeUs); 170 status_t setParamMaxFileSizeBytes(int64_t bytes); 171 status_t setParamMovieTimeScale(int32_t timeScale); 172 status_t setParamGeoDataLongitude(int64_t longitudex10000); 173 status_t setParamGeoDataLatitude(int64_t latitudex10000); 174 void clipVideoBitRate(); 175 void clipVideoFrameRate(); 176 void clipVideoFrameWidth(); 177 void clipVideoFrameHeight(); 178 void clipAudioBitRate(); 179 void clipAudioSampleRate(); 180 void clipNumberOfAudioChannels(); 181 void setDefaultProfileIfNecessary(); 182 void setDefaultVideoEncoderIfNecessary(); 183 184 185 StagefrightRecorder(const StagefrightRecorder &); 186 StagefrightRecorder &operator=(const StagefrightRecorder &); 187}; 188 189} // namespace android 190 191#endif // STAGEFRIGHT_RECORDER_H_ 192