StagefrightRecorder.h revision ceb388d6c03c38b96dc41c0ea4804b749aa077c4 
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;
40
41struct StagefrightRecorder : public MediaRecorderBase {
42    StagefrightRecorder();
43    virtual ~StagefrightRecorder();
44
45    virtual status_t init();
46    virtual status_t setAudioSource(audio_source_t as);
47    virtual status_t setVideoSource(video_source vs);
48    virtual status_t setOutputFormat(output_format of);
49    virtual status_t setAudioEncoder(audio_encoder ae);
50    virtual status_t setVideoEncoder(video_encoder ve);
51    virtual status_t setVideoSize(int width, int height);
52    virtual status_t setVideoFrameRate(int frames_per_second);
53    virtual status_t setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
54    virtual status_t setPreviewSurface(const sp<Surface>& surface);
55    virtual status_t setOutputFile(const char *path);
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<Surface> 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
110    bool mCaptureTimeLapse;
111    int64_t mTimeBetweenTimeLapseFrameCaptureUs;
112    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
113
114
115    String8 mParams;
116
117    bool mIsMetaDataStoredInVideoBuffers;
118    MediaProfiles *mEncoderProfiles;
119
120    bool mStarted;
121    // Needed when GLFrames are encoded.
122    // An <IGraphicBufferProducer> pointer
123    // will be sent to the client side using which the
124    // frame buffers will be queued and dequeued
125    sp<SurfaceMediaSource> mSurfaceMediaSource;
126
127    status_t setupMPEG4Recording(
128        int outputFd,
129        int32_t videoWidth, int32_t videoHeight,
130        int32_t videoBitRate,
131        int32_t *totalBitRate,
132        sp<MediaWriter> *mediaWriter);
133    void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
134        sp<MetaData> *meta);
135    status_t startMPEG4Recording();
136    status_t startAMRRecording();
137    status_t startAACRecording();
138    status_t startRawAudioRecording();
139    status_t startRTPRecording();
140    status_t startMPEG2TSRecording();
141    sp<MediaSource> createAudioSource();
142    status_t checkVideoEncoderCapabilities();
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    // setup the surfacemediasource for the encoder
150    status_t setupSurfaceMediaSource();
151
152    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
153    status_t setupVideoEncoder(
154            sp<MediaSource> cameraSource,
155            int32_t videoBitRate,
156            sp<MediaSource> *source);
157
158    // Encoding parameter handling utilities
159    status_t setParameter(const String8 &key, const String8 &value);
160    status_t setParamAudioEncodingBitRate(int32_t bitRate);
161    status_t setParamAudioNumberOfChannels(int32_t channles);
162    status_t setParamAudioSamplingRate(int32_t sampleRate);
163    status_t setParamAudioTimeScale(int32_t timeScale);
164    status_t setParamTimeLapseEnable(int32_t timeLapseEnable);
165    status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs);
166    status_t setParamVideoEncodingBitRate(int32_t bitRate);
167    status_t setParamVideoIFramesInterval(int32_t seconds);
168    status_t setParamVideoEncoderProfile(int32_t profile);
169    status_t setParamVideoEncoderLevel(int32_t level);
170    status_t setParamVideoCameraId(int32_t cameraId);
171    status_t setParamVideoTimeScale(int32_t timeScale);
172    status_t setParamVideoRotation(int32_t degrees);
173    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
174    status_t setParamInterleaveDuration(int32_t durationUs);
175    status_t setParam64BitFileOffset(bool use64BitFileOffset);
176    status_t setParamMaxFileDurationUs(int64_t timeUs);
177    status_t setParamMaxFileSizeBytes(int64_t bytes);
178    status_t setParamMovieTimeScale(int32_t timeScale);
179    status_t setParamGeoDataLongitude(int64_t longitudex10000);
180    status_t setParamGeoDataLatitude(int64_t latitudex10000);
181    void clipVideoBitRate();
182    void clipVideoFrameRate();
183    void clipVideoFrameWidth();
184    void clipVideoFrameHeight();
185    void clipAudioBitRate();
186    void clipAudioSampleRate();
187    void clipNumberOfAudioChannels();
188    void setDefaultProfileIfNecessary();
189
190
191    StagefrightRecorder(const StagefrightRecorder &);
192    StagefrightRecorder &operator=(const StagefrightRecorder &);
193};
194
195}  // namespace android
196
197#endif  // STAGEFRIGHT_RECORDER_H_
198