StagefrightRecorder.h revision 6d339f1f764bbd32e3381dae7bfa7c6c575bb493 
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;
40struct 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    float mCaptureFps;
113    int64_t mTimeBetweenTimeLapseFrameCaptureUs;
114    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
115
116
117    String8 mParams;
118
119    bool mIsMetaDataStoredInVideoBuffers;
120    MediaProfiles *mEncoderProfiles;
121
122    bool mStarted;
123    // Needed when GLFrames are encoded.
124    // An <IGraphicBufferProducer> pointer
125    // will be sent to the client side using which the
126    // frame buffers will be queued and dequeued
127    sp<IGraphicBufferProducer> mGraphicBufferProducer;
128    sp<ALooper> mLooper;
129
130    static const int kMaxHighSpeedFps = 1000;
131
132    status_t prepareInternal();
133    status_t setupMPEG4orWEBMRecording();
134    void setupMPEG4orWEBMMetaData(sp<MetaData> *meta);
135    status_t setupAMRRecording();
136    status_t setupAACRecording();
137    status_t setupRawAudioRecording();
138    status_t setupRTPRecording();
139    status_t setupMPEG2TSRecording();
140    sp<MediaSource> createAudioSource();
141    status_t checkVideoEncoderCapabilities(
142            bool *supportsCameraSourceMetaDataMode);
143    status_t checkAudioEncoderCapabilities();
144    // Generic MediaSource set-up. Returns the appropriate
145    // source (CameraSource or SurfaceMediaSource)
146    // depending on the videosource type
147    status_t setupMediaSource(sp<MediaSource> *mediaSource);
148    status_t setupCameraSource(sp<CameraSource> *cameraSource);
149    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
150    status_t setupVideoEncoder(sp<MediaSource> cameraSource, sp<MediaSource> *source);
151
152    // Encoding parameter handling utilities
153    status_t setParameter(const String8 &key, const String8 &value);
154    status_t setParamAudioEncodingBitRate(int32_t bitRate);
155    status_t setParamAudioNumberOfChannels(int32_t channles);
156    status_t setParamAudioSamplingRate(int32_t sampleRate);
157    status_t setParamAudioTimeScale(int32_t timeScale);
158    status_t setParamTimeLapseEnable(int32_t timeLapseEnable);
159    status_t setParamTimeLapseFps(float fps);
160    status_t setParamVideoEncodingBitRate(int32_t bitRate);
161    status_t setParamVideoIFramesInterval(int32_t seconds);
162    status_t setParamVideoEncoderProfile(int32_t profile);
163    status_t setParamVideoEncoderLevel(int32_t level);
164    status_t setParamVideoCameraId(int32_t cameraId);
165    status_t setParamVideoTimeScale(int32_t timeScale);
166    status_t setParamVideoRotation(int32_t degrees);
167    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
168    status_t setParamInterleaveDuration(int32_t durationUs);
169    status_t setParam64BitFileOffset(bool use64BitFileOffset);
170    status_t setParamMaxFileDurationUs(int64_t timeUs);
171    status_t setParamMaxFileSizeBytes(int64_t bytes);
172    status_t setParamMovieTimeScale(int32_t timeScale);
173    status_t setParamGeoDataLongitude(int64_t longitudex10000);
174    status_t setParamGeoDataLatitude(int64_t latitudex10000);
175    void clipVideoBitRate();
176    void clipVideoFrameRate();
177    void clipVideoFrameWidth();
178    void clipVideoFrameHeight();
179    void clipAudioBitRate();
180    void clipAudioSampleRate();
181    void clipNumberOfAudioChannels();
182    void setDefaultProfileIfNecessary();
183    void setDefaultVideoEncoderIfNecessary();
184
185
186    StagefrightRecorder(const StagefrightRecorder &);
187    StagefrightRecorder &operator=(const StagefrightRecorder &);
188};
189
190}  // namespace android
191
192#endif  // STAGEFRIGHT_RECORDER_H_
193