StagefrightRecorder.h revision 98a668f6ea51e4d894d2ebb61a0e18287fb14008 
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 MediaCodecSource;
34struct MediaSource;
35struct MediaWriter;
36class MetaData;
37struct AudioSource;
38class MediaProfiles;
39class IGraphicBufferConsumer;
40class IGraphicBufferProducer;
41class SurfaceMediaSource;
42struct ALooper;
43
44struct StagefrightRecorder : public MediaRecorderBase {
45    StagefrightRecorder(const String16 &opPackageName);
46    virtual ~StagefrightRecorder();
47
48    virtual status_t init();
49    virtual status_t setAudioSource(audio_source_t as);
50    virtual status_t setVideoSource(video_source vs);
51    virtual status_t setOutputFormat(output_format of);
52    virtual status_t setAudioEncoder(audio_encoder ae);
53    virtual status_t setVideoEncoder(video_encoder ve);
54    virtual status_t setVideoSize(int width, int height);
55    virtual status_t setVideoFrameRate(int frames_per_second);
56    virtual status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
57    virtual status_t setPreviewSurface(const sp<IGraphicBufferProducer>& surface);
58    virtual status_t setInputSurface(const sp<IGraphicBufferConsumer>& surface);
59    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
60    virtual status_t setParameters(const String8& params);
61    virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
62    virtual status_t setClientName(const String16& clientName);
63    virtual status_t prepare();
64    virtual status_t start();
65    virtual status_t pause();
66    virtual status_t resume();
67    virtual status_t stop();
68    virtual status_t close();
69    virtual status_t reset();
70    virtual status_t getMaxAmplitude(int *max);
71    virtual status_t dump(int fd, const Vector<String16>& args) const;
72    // Querying a SurfaceMediaSourcer
73    virtual sp<IGraphicBufferProducer> querySurfaceMediaSource() const;
74
75private:
76    sp<ICamera> mCamera;
77    sp<ICameraRecordingProxy> mCameraProxy;
78    sp<IGraphicBufferProducer> mPreviewSurface;
79    sp<IGraphicBufferConsumer> mPersistentSurface;
80    sp<IMediaRecorderClient> mListener;
81    String16 mClientName;
82    uid_t mClientUid;
83    pid_t mClientPid;
84    sp<MediaWriter> mWriter;
85    int mOutputFd;
86    sp<AudioSource> mAudioSourceNode;
87
88    audio_source_t mAudioSource;
89    video_source mVideoSource;
90    output_format mOutputFormat;
91    audio_encoder mAudioEncoder;
92    video_encoder mVideoEncoder;
93    bool mUse64BitFileOffset;
94    int32_t mVideoWidth, mVideoHeight;
95    int32_t mFrameRate;
96    int32_t mVideoBitRate;
97    int32_t mAudioBitRate;
98    int32_t mAudioChannels;
99    int32_t mSampleRate;
100    int32_t mInterleaveDurationUs;
101    int32_t mIFramesIntervalSec;
102    int32_t mCameraId;
103    int32_t mVideoEncoderProfile;
104    int32_t mVideoEncoderLevel;
105    int32_t mMovieTimeScale;
106    int32_t mVideoTimeScale;
107    int32_t mAudioTimeScale;
108    int64_t mMaxFileSizeBytes;
109    int64_t mMaxFileDurationUs;
110    int64_t mTrackEveryTimeDurationUs;
111    int32_t mRotationDegrees;  // Clockwise
112    int32_t mLatitudex10000;
113    int32_t mLongitudex10000;
114    int32_t mStartTimeOffsetMs;
115    int32_t mTotalBitRate;
116
117    bool mCaptureFpsEnable;
118    float mCaptureFps;
119    int64_t mTimeBetweenCaptureUs;
120    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
121
122    String8 mParams;
123
124    bool mIsMetaDataStoredInVideoBuffers;
125    MediaProfiles *mEncoderProfiles;
126
127    int64_t mPauseStartTimeUs;
128    int64_t mTotalPausedDurationUs;
129    sp<MediaCodecSource> mAudioEncoderSource;
130    sp<MediaCodecSource> mVideoEncoderSource;
131
132    bool mStarted;
133    // Needed when GLFrames are encoded.
134    // An <IGraphicBufferProducer> pointer
135    // will be sent to the client side using which the
136    // frame buffers will be queued and dequeued
137    sp<IGraphicBufferProducer> mGraphicBufferProducer;
138    sp<ALooper> mLooper;
139
140    static const int kMaxHighSpeedFps = 1000;
141
142    status_t prepareInternal();
143    status_t setupMPEG4orWEBMRecording();
144    void setupMPEG4orWEBMMetaData(sp<MetaData> *meta);
145    status_t setupAMRRecording();
146    status_t setupAACRecording();
147    status_t setupRawAudioRecording();
148    status_t setupRTPRecording();
149    status_t setupMPEG2TSRecording();
150    sp<MediaCodecSource> createAudioSource();
151    status_t checkVideoEncoderCapabilities();
152    status_t checkAudioEncoderCapabilities();
153    // Generic MediaSource set-up. Returns the appropriate
154    // source (CameraSource or SurfaceMediaSource)
155    // depending on the videosource type
156    status_t setupMediaSource(sp<MediaSource> *mediaSource);
157    status_t setupCameraSource(sp<CameraSource> *cameraSource);
158    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
159    status_t setupVideoEncoder(sp<MediaSource> cameraSource, sp<MediaCodecSource> *source);
160
161    // Encoding parameter handling utilities
162    status_t setParameter(const String8 &key, const String8 &value);
163    status_t setParamAudioEncodingBitRate(int32_t bitRate);
164    status_t setParamAudioNumberOfChannels(int32_t channles);
165    status_t setParamAudioSamplingRate(int32_t sampleRate);
166    status_t setParamAudioTimeScale(int32_t timeScale);
167    status_t setParamCaptureFpsEnable(int32_t timeLapseEnable);
168    status_t setParamCaptureFps(float fps);
169    status_t setParamVideoEncodingBitRate(int32_t bitRate);
170    status_t setParamVideoIFramesInterval(int32_t seconds);
171    status_t setParamVideoEncoderProfile(int32_t profile);
172    status_t setParamVideoEncoderLevel(int32_t level);
173    status_t setParamVideoCameraId(int32_t cameraId);
174    status_t setParamVideoTimeScale(int32_t timeScale);
175    status_t setParamVideoRotation(int32_t degrees);
176    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
177    status_t setParamInterleaveDuration(int32_t durationUs);
178    status_t setParam64BitFileOffset(bool use64BitFileOffset);
179    status_t setParamMaxFileDurationUs(int64_t timeUs);
180    status_t setParamMaxFileSizeBytes(int64_t bytes);
181    status_t setParamMovieTimeScale(int32_t timeScale);
182    status_t setParamGeoDataLongitude(int64_t longitudex10000);
183    status_t setParamGeoDataLatitude(int64_t latitudex10000);
184    void clipVideoBitRate();
185    void clipVideoFrameRate();
186    void clipVideoFrameWidth();
187    void clipVideoFrameHeight();
188    void clipAudioBitRate();
189    void clipAudioSampleRate();
190    void clipNumberOfAudioChannels();
191    void setDefaultProfileIfNecessary();
192    void setDefaultVideoEncoderIfNecessary();
193
194
195    StagefrightRecorder(const StagefrightRecorder &);
196    StagefrightRecorder &operator=(const StagefrightRecorder &);
197};
198
199}  // namespace android
200
201#endif  // STAGEFRIGHT_RECORDER_H_
202