StagefrightRecorder.h revision 3e328782f1e1061d08ea0c45b855cc418a2d9ea6 
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
27#include <MetadataBufferType.h>
28
29namespace android {
30
31class Camera;
32class ICameraRecordingProxy;
33class CameraSource;
34class CameraSourceTimeLapse;
35struct MediaCodecSource;
36struct MediaSource;
37struct MediaWriter;
38class MetaData;
39struct AudioSource;
40class MediaProfiles;
41class IGraphicBufferConsumer;
42class IGraphicBufferProducer;
43class SurfaceMediaSource;
44struct ALooper;
45
46struct StagefrightRecorder : public MediaRecorderBase {
47    StagefrightRecorder(const String16 &opPackageName);
48    virtual ~StagefrightRecorder();
49
50    virtual status_t init();
51    virtual status_t setAudioSource(audio_source_t as);
52    virtual status_t setVideoSource(video_source vs);
53    virtual status_t setOutputFormat(output_format of);
54    virtual status_t setAudioEncoder(audio_encoder ae);
55    virtual status_t setVideoEncoder(video_encoder ve);
56    virtual status_t setVideoSize(int width, int height);
57    virtual status_t setVideoFrameRate(int frames_per_second);
58    virtual status_t setCamera(const sp<hardware::ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
59    virtual status_t setPreviewSurface(const sp<IGraphicBufferProducer>& surface);
60    virtual status_t setInputSurface(const sp<IGraphicBufferConsumer>& surface);
61    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
62    virtual status_t setParameters(const String8& params);
63    virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
64    virtual status_t setClientName(const String16& clientName);
65    virtual status_t prepare();
66    virtual status_t start();
67    virtual status_t pause();
68    virtual status_t resume();
69    virtual status_t stop();
70    virtual status_t close();
71    virtual status_t reset();
72    virtual status_t getMaxAmplitude(int *max);
73    virtual status_t dump(int fd, const Vector<String16>& args) const;
74    // Querying a SurfaceMediaSourcer
75    virtual sp<IGraphicBufferProducer> querySurfaceMediaSource() const;
76
77private:
78    sp<hardware::ICamera> mCamera;
79    sp<ICameraRecordingProxy> mCameraProxy;
80    sp<IGraphicBufferProducer> mPreviewSurface;
81    sp<IGraphicBufferConsumer> mPersistentSurface;
82    sp<IMediaRecorderClient> mListener;
83    String16 mClientName;
84    uid_t mClientUid;
85    pid_t mClientPid;
86    sp<MediaWriter> mWriter;
87    int mOutputFd;
88    sp<AudioSource> mAudioSourceNode;
89
90    audio_source_t mAudioSource;
91    video_source mVideoSource;
92    output_format mOutputFormat;
93    audio_encoder mAudioEncoder;
94    video_encoder mVideoEncoder;
95    bool mUse64BitFileOffset;
96    int32_t mVideoWidth, mVideoHeight;
97    int32_t mFrameRate;
98    int32_t mVideoBitRate;
99    int32_t mAudioBitRate;
100    int32_t mAudioChannels;
101    int32_t mSampleRate;
102    int32_t mInterleaveDurationUs;
103    int32_t mIFramesIntervalSec;
104    int32_t mCameraId;
105    int32_t mVideoEncoderProfile;
106    int32_t mVideoEncoderLevel;
107    int32_t mMovieTimeScale;
108    int32_t mVideoTimeScale;
109    int32_t mAudioTimeScale;
110    int64_t mMaxFileSizeBytes;
111    int64_t mMaxFileDurationUs;
112    int64_t mTrackEveryTimeDurationUs;
113    int32_t mRotationDegrees;  // Clockwise
114    int32_t mLatitudex10000;
115    int32_t mLongitudex10000;
116    int32_t mStartTimeOffsetMs;
117    int32_t mTotalBitRate;
118
119    bool mCaptureFpsEnable;
120    float mCaptureFps;
121    int64_t mTimeBetweenCaptureUs;
122    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
123
124    String8 mParams;
125
126    MetadataBufferType mMetaDataStoredInVideoBuffers;
127    MediaProfiles *mEncoderProfiles;
128
129    int64_t mPauseStartTimeUs;
130    int64_t mTotalPausedDurationUs;
131    sp<MediaCodecSource> mAudioEncoderSource;
132    sp<MediaCodecSource> mVideoEncoderSource;
133
134    bool mStarted;
135    // Needed when GLFrames are encoded.
136    // An <IGraphicBufferProducer> pointer
137    // will be sent to the client side using which the
138    // frame buffers will be queued and dequeued
139    sp<IGraphicBufferProducer> mGraphicBufferProducer;
140    sp<ALooper> mLooper;
141
142    static const int kMaxHighSpeedFps = 1000;
143
144    status_t prepareInternal();
145    status_t setupMPEG4orWEBMRecording();
146    void setupMPEG4orWEBMMetaData(sp<MetaData> *meta);
147    status_t setupAMRRecording();
148    status_t setupAACRecording();
149    status_t setupRawAudioRecording();
150    status_t setupRTPRecording();
151    status_t setupMPEG2TSRecording();
152    sp<MediaCodecSource> createAudioSource();
153    status_t checkVideoEncoderCapabilities();
154    status_t checkAudioEncoderCapabilities();
155    // Generic MediaSource set-up. Returns the appropriate
156    // source (CameraSource or SurfaceMediaSource)
157    // depending on the videosource type
158    status_t setupMediaSource(sp<MediaSource> *mediaSource);
159    status_t setupCameraSource(sp<CameraSource> *cameraSource);
160    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
161    status_t setupVideoEncoder(sp<MediaSource> cameraSource, sp<MediaCodecSource> *source);
162
163    // Encoding parameter handling utilities
164    status_t setParameter(const String8 &key, const String8 &value);
165    status_t setParamAudioEncodingBitRate(int32_t bitRate);
166    status_t setParamAudioNumberOfChannels(int32_t channles);
167    status_t setParamAudioSamplingRate(int32_t sampleRate);
168    status_t setParamAudioTimeScale(int32_t timeScale);
169    status_t setParamCaptureFpsEnable(int32_t timeLapseEnable);
170    status_t setParamCaptureFps(float fps);
171    status_t setParamVideoEncodingBitRate(int32_t bitRate);
172    status_t setParamVideoIFramesInterval(int32_t seconds);
173    status_t setParamVideoEncoderProfile(int32_t profile);
174    status_t setParamVideoEncoderLevel(int32_t level);
175    status_t setParamVideoCameraId(int32_t cameraId);
176    status_t setParamVideoTimeScale(int32_t timeScale);
177    status_t setParamVideoRotation(int32_t degrees);
178    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
179    status_t setParamInterleaveDuration(int32_t durationUs);
180    status_t setParam64BitFileOffset(bool use64BitFileOffset);
181    status_t setParamMaxFileDurationUs(int64_t timeUs);
182    status_t setParamMaxFileSizeBytes(int64_t bytes);
183    status_t setParamMovieTimeScale(int32_t timeScale);
184    status_t setParamGeoDataLongitude(int64_t longitudex10000);
185    status_t setParamGeoDataLatitude(int64_t latitudex10000);
186    void clipVideoBitRate();
187    void clipVideoFrameRate();
188    void clipVideoFrameWidth();
189    void clipVideoFrameHeight();
190    void clipAudioBitRate();
191    void clipAudioSampleRate();
192    void clipNumberOfAudioChannels();
193    void setDefaultProfileIfNecessary();
194    void setDefaultVideoEncoderIfNecessary();
195
196
197    StagefrightRecorder(const StagefrightRecorder &);
198    StagefrightRecorder &operator=(const StagefrightRecorder &);
199};
200
201}  // namespace android
202
203#endif  // STAGEFRIGHT_RECORDER_H_
204