StagefrightRecorder.h revision addf2cbb120346ae42e78fa739245a353db5edad 
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;
41struct ALooper;
42
43struct StagefrightRecorder : public MediaRecorderBase {
44    explicit StagefrightRecorder(const String16 &opPackageName);
45    virtual ~StagefrightRecorder();
46
47    virtual status_t init();
48    virtual status_t setAudioSource(audio_source_t as);
49    virtual status_t setVideoSource(video_source vs);
50    virtual status_t setOutputFormat(output_format of);
51    virtual status_t setAudioEncoder(audio_encoder ae);
52    virtual status_t setVideoEncoder(video_encoder ve);
53    virtual status_t setVideoSize(int width, int height);
54    virtual status_t setVideoFrameRate(int frames_per_second);
55    virtual status_t setCamera(const sp<hardware::ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
56    virtual status_t setPreviewSurface(const sp<IGraphicBufferProducer>& surface);
57    virtual status_t setInputSurface(const sp<PersistentSurface>& surface);
58    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
59    virtual status_t setParameters(const String8 &params);
60    virtual status_t setListener(const sp<IMediaRecorderClient> &listener);
61    virtual status_t setClientName(const String16 &clientName);
62    virtual status_t prepare();
63    virtual status_t start();
64    virtual status_t pause();
65    virtual status_t resume();
66    virtual status_t stop();
67    virtual status_t close();
68    virtual status_t reset();
69    virtual status_t getMaxAmplitude(int *max);
70    virtual status_t dump(int fd, const Vector<String16> &args) const;
71    // Querying a SurfaceMediaSourcer
72    virtual sp<IGraphicBufferProducer> querySurfaceMediaSource() const;
73
74private:
75    sp<hardware::ICamera> mCamera;
76    sp<ICameraRecordingProxy> mCameraProxy;
77    sp<IGraphicBufferProducer> mPreviewSurface;
78    sp<PersistentSurface> mPersistentSurface;
79    sp<IMediaRecorderClient> mListener;
80    String16 mClientName;
81    uid_t mClientUid;
82    pid_t mClientPid;
83    sp<MediaWriter> mWriter;
84    int mOutputFd;
85    sp<AudioSource> mAudioSourceNode;
86
87    audio_source_t mAudioSource;
88    video_source mVideoSource;
89    output_format mOutputFormat;
90    audio_encoder mAudioEncoder;
91    video_encoder mVideoEncoder;
92    bool mUse64BitFileOffset;
93    int32_t mVideoWidth, mVideoHeight;
94    int32_t mFrameRate;
95    int32_t mVideoBitRate;
96    int32_t mAudioBitRate;
97    int32_t mAudioChannels;
98    int32_t mSampleRate;
99    int32_t mInterleaveDurationUs;
100    int32_t mIFramesIntervalSec;
101    int32_t mCameraId;
102    int32_t mVideoEncoderProfile;
103    int32_t mVideoEncoderLevel;
104    int32_t mMovieTimeScale;
105    int32_t mVideoTimeScale;
106    int32_t mAudioTimeScale;
107    int64_t mMaxFileSizeBytes;
108    int64_t mMaxFileDurationUs;
109    int64_t mTrackEveryTimeDurationUs;
110    int32_t mRotationDegrees;  // Clockwise
111    int32_t mLatitudex10000;
112    int32_t mLongitudex10000;
113    int32_t mStartTimeOffsetMs;
114    int32_t mTotalBitRate;
115
116    bool mCaptureFpsEnable;
117    float mCaptureFps;
118    int64_t mTimeBetweenCaptureUs;
119    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
120
121    String8 mParams;
122
123    MetadataBufferType mMetaDataStoredInVideoBuffers;
124    MediaProfiles *mEncoderProfiles;
125
126    int64_t mPauseStartTimeUs;
127    int64_t mTotalPausedDurationUs;
128    sp<MediaCodecSource> mAudioEncoderSource;
129    sp<MediaCodecSource> mVideoEncoderSource;
130
131    bool mStarted;
132    // Needed when GLFrames are encoded.
133    // An <IGraphicBufferProducer> pointer
134    // will be sent to the client side using which the
135    // frame buffers will be queued and dequeued
136    sp<IGraphicBufferProducer> mGraphicBufferProducer;
137    sp<ALooper> mLooper;
138
139    static const int kMaxHighSpeedFps = 1000;
140
141    status_t prepareInternal();
142    status_t setupMPEG4orWEBMRecording();
143    void setupMPEG4orWEBMMetaData(sp<MetaData> *meta);
144    status_t setupAMRRecording();
145    status_t setupAACRecording();
146    status_t setupRawAudioRecording();
147    status_t setupRTPRecording();
148    status_t setupMPEG2TSRecording();
149    sp<MediaCodecSource> createAudioSource();
150    status_t checkVideoEncoderCapabilities();
151    status_t checkAudioEncoderCapabilities();
152    // Generic MediaSource set-up. Returns the appropriate
153    // source (CameraSource or SurfaceMediaSource)
154    // depending on the videosource type
155    status_t setupMediaSource(sp<MediaSource> *mediaSource);
156    status_t setupCameraSource(sp<CameraSource> *cameraSource);
157    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
158    status_t setupVideoEncoder(const sp<MediaSource>& cameraSource, sp<MediaCodecSource> *source);
159
160    // Encoding parameter handling utilities
161    status_t setParameter(const String8 &key, const String8 &value);
162    status_t setParamAudioEncodingBitRate(int32_t bitRate);
163    status_t setParamAudioNumberOfChannels(int32_t channles);
164    status_t setParamAudioSamplingRate(int32_t sampleRate);
165    status_t setParamAudioTimeScale(int32_t timeScale);
166    status_t setParamCaptureFpsEnable(int32_t timeLapseEnable);
167    status_t setParamCaptureFps(float fps);
168    status_t setParamVideoEncodingBitRate(int32_t bitRate);
169    status_t setParamVideoIFramesInterval(int32_t seconds);
170    status_t setParamVideoEncoderProfile(int32_t profile);
171    status_t setParamVideoEncoderLevel(int32_t level);
172    status_t setParamVideoCameraId(int32_t cameraId);
173    status_t setParamVideoTimeScale(int32_t timeScale);
174    status_t setParamVideoRotation(int32_t degrees);
175    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
176    status_t setParamInterleaveDuration(int32_t durationUs);
177    status_t setParam64BitFileOffset(bool use64BitFileOffset);
178    status_t setParamMaxFileDurationUs(int64_t timeUs);
179    status_t setParamMaxFileSizeBytes(int64_t bytes);
180    status_t setParamMovieTimeScale(int32_t timeScale);
181    status_t setParamGeoDataLongitude(int64_t longitudex10000);
182    status_t setParamGeoDataLatitude(int64_t latitudex10000);
183    void clipVideoBitRate();
184    void clipVideoFrameRate();
185    void clipVideoFrameWidth();
186    void clipVideoFrameHeight();
187    void clipAudioBitRate();
188    void clipAudioSampleRate();
189    void clipNumberOfAudioChannels();
190    void setDefaultProfileIfNecessary();
191    void setDefaultVideoEncoderIfNecessary();
192
193
194    StagefrightRecorder(const StagefrightRecorder &);
195    StagefrightRecorder &operator=(const StagefrightRecorder &);
196};
197
198}  // namespace android
199
200#endif  // STAGEFRIGHT_RECORDER_H_
201