StagefrightRecorder.h revision d552b88515c6ccd18695e5db5e6032a6425d8c63 
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;
33class MediaSourceSplitter;
34struct MediaSource;
35struct MediaWriter;
36class MetaData;
37struct AudioSource;
38class MediaProfiles;
39
40struct StagefrightRecorder : public MediaRecorderBase {
41    StagefrightRecorder();
42    virtual ~StagefrightRecorder();
43
44    virtual status_t init();
45    virtual status_t setAudioSource(audio_source_t as);
46    virtual status_t setVideoSource(video_source vs);
47    virtual status_t setOutputFormat(output_format of);
48    virtual status_t setAudioEncoder(audio_encoder ae);
49    virtual status_t setVideoEncoder(video_encoder ve);
50    virtual status_t setVideoSize(int width, int height);
51    virtual status_t setVideoFrameRate(int frames_per_second);
52    virtual status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
53    virtual status_t setPreviewSurface(const sp<Surface>& surface);
54    virtual status_t setOutputFile(const char *path);
55    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
56    virtual status_t setOutputFileAuxiliary(int fd);
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
68private:
69    sp<ICamera> mCamera;
70    sp<ICameraRecordingProxy> mCameraProxy;
71    sp<Surface> mPreviewSurface;
72    sp<IMediaRecorderClient> mListener;
73    sp<MediaWriter> mWriter, mWriterAux;
74    int mOutputFd, mOutputFdAux;
75    sp<AudioSource> mAudioSourceNode;
76
77    audio_source_t mAudioSource;
78    video_source mVideoSource;
79    output_format mOutputFormat;
80    audio_encoder mAudioEncoder;
81    video_encoder mVideoEncoder;
82    bool mUse64BitFileOffset;
83    int32_t mVideoWidth, mVideoHeight;
84    int32_t mAuxVideoWidth, mAuxVideoHeight;
85    int32_t mFrameRate;
86    int32_t mVideoBitRate, mAuxVideoBitRate;
87    int32_t mAudioBitRate;
88    int32_t mAudioChannels;
89    int32_t mSampleRate;
90    int32_t mInterleaveDurationUs;
91    int32_t mIFramesIntervalSec;
92    int32_t mCameraId;
93    int32_t mVideoEncoderProfile;
94    int32_t mVideoEncoderLevel;
95    int32_t mMovieTimeScale;
96    int32_t mVideoTimeScale;
97    int32_t mAudioTimeScale;
98    int64_t mMaxFileSizeBytes;
99    int64_t mMaxFileDurationUs;
100    int64_t mTrackEveryTimeDurationUs;
101    int32_t mRotationDegrees;  // Clockwise
102    int32_t mLatitudex10000;
103    int32_t mLongitudex10000;
104    int32_t mStartTimeOffsetMs;
105
106    bool mCaptureTimeLapse;
107    int64_t mTimeBetweenTimeLapseFrameCaptureUs;
108    bool mCaptureAuxVideo;
109    sp<MediaSourceSplitter> mCameraSourceSplitter;
110    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
111
112    String8 mParams;
113
114    bool mIsMetaDataStoredInVideoBuffers;
115    MediaProfiles *mEncoderProfiles;
116
117    bool mStarted;
118
119    status_t setupMPEG4Recording(
120        bool useSplitCameraSource,
121        int outputFd,
122        int32_t videoWidth, int32_t videoHeight,
123        int32_t videoBitRate,
124        int32_t *totalBitRate,
125        sp<MediaWriter> *mediaWriter);
126    void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
127        sp<MetaData> *meta);
128    status_t startMPEG4Recording();
129    status_t startAMRRecording();
130    status_t startAACRecording();
131    status_t startRawAudioRecording();
132    status_t startRTPRecording();
133    status_t startMPEG2TSRecording();
134    sp<MediaSource> createAudioSource();
135    status_t checkVideoEncoderCapabilities();
136    status_t checkAudioEncoderCapabilities();
137    status_t setupCameraSource(sp<CameraSource> *cameraSource);
138    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
139    status_t setupVideoEncoder(
140            sp<MediaSource> cameraSource,
141            int32_t videoBitRate,
142            sp<MediaSource> *source);
143
144    // Encoding parameter handling utilities
145    status_t setParameter(const String8 &key, const String8 &value);
146    status_t setParamAudioEncodingBitRate(int32_t bitRate);
147    status_t setParamAudioNumberOfChannels(int32_t channles);
148    status_t setParamAudioSamplingRate(int32_t sampleRate);
149    status_t setParamAudioTimeScale(int32_t timeScale);
150    status_t setParamTimeLapseEnable(int32_t timeLapseEnable);
151    status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs);
152    status_t setParamAuxVideoHeight(int32_t height);
153    status_t setParamAuxVideoWidth(int32_t width);
154    status_t setParamAuxVideoEncodingBitRate(int32_t bitRate);
155    status_t setParamVideoEncodingBitRate(int32_t bitRate);
156    status_t setParamVideoIFramesInterval(int32_t seconds);
157    status_t setParamVideoEncoderProfile(int32_t profile);
158    status_t setParamVideoEncoderLevel(int32_t level);
159    status_t setParamVideoCameraId(int32_t cameraId);
160    status_t setParamVideoTimeScale(int32_t timeScale);
161    status_t setParamVideoRotation(int32_t degrees);
162    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
163    status_t setParamInterleaveDuration(int32_t durationUs);
164    status_t setParam64BitFileOffset(bool use64BitFileOffset);
165    status_t setParamMaxFileDurationUs(int64_t timeUs);
166    status_t setParamMaxFileSizeBytes(int64_t bytes);
167    status_t setParamMovieTimeScale(int32_t timeScale);
168    status_t setParamGeoDataLongitude(int32_t longitudex10000);
169    status_t setParamGeoDataLatitude(int32_t latitudex10000);
170    void clipVideoBitRate();
171    void clipVideoFrameRate();
172    void clipVideoFrameWidth();
173    void clipVideoFrameHeight();
174    void clipAudioBitRate();
175    void clipAudioSampleRate();
176    void clipNumberOfAudioChannels();
177    void setDefaultProfileIfNecessary();
178
179    StagefrightRecorder(const StagefrightRecorder &);
180    StagefrightRecorder &operator=(const StagefrightRecorder &);
181};
182
183}  // namespace android
184
185#endif  // STAGEFRIGHT_RECORDER_H_
186