StagefrightRecorder.h revision 07b1bb529a1ae76c46a71b01338c166f9490629d 
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 CameraSource;
31class CameraSourceTimeLapse;
32class MediaSourceSplitter;
33struct MediaSource;
34struct MediaWriter;
35class MetaData;
36struct AudioSource;
37class MediaProfiles;
38
39struct StagefrightRecorder : public MediaRecorderBase {
40    StagefrightRecorder();
41    virtual ~StagefrightRecorder();
42
43    virtual status_t init();
44    virtual status_t setAudioSource(audio_source_t as);
45    virtual status_t setVideoSource(video_source vs);
46    virtual status_t setOutputFormat(output_format of);
47    virtual status_t setAudioEncoder(audio_encoder ae);
48    virtual status_t setVideoEncoder(video_encoder ve);
49    virtual status_t setVideoSize(int width, int height);
50    virtual status_t setVideoFrameRate(int frames_per_second);
51    virtual status_t setCamera(const sp<ICamera>& camera);
52    virtual status_t setPreviewSurface(const sp<Surface>& surface);
53    virtual status_t setOutputFile(const char *path);
54    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
55    virtual status_t setOutputFileAuxiliary(int fd);
56    virtual status_t setParameters(const String8& params);
57    virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
58    virtual status_t prepare();
59    virtual status_t start();
60    virtual status_t pause();
61    virtual status_t stop();
62    virtual status_t close();
63    virtual status_t reset();
64    virtual status_t getMaxAmplitude(int *max);
65    virtual status_t dump(int fd, const Vector<String16>& args) const;
66
67private:
68    sp<ICamera> mCamera;
69    sp<Surface> mPreviewSurface;
70    sp<IMediaRecorderClient> mListener;
71    sp<MediaWriter> mWriter, mWriterAux;
72    int mOutputFd, mOutputFdAux;
73    sp<AudioSource> mAudioSourceNode;
74
75    audio_source_t mAudioSource;
76    video_source mVideoSource;
77    output_format mOutputFormat;
78    audio_encoder mAudioEncoder;
79    video_encoder mVideoEncoder;
80    bool mUse64BitFileOffset;
81    int32_t mVideoWidth, mVideoHeight;
82    int32_t mAuxVideoWidth, mAuxVideoHeight;
83    int32_t mFrameRate;
84    int32_t mVideoBitRate, mAuxVideoBitRate;
85    int32_t mAudioBitRate;
86    int32_t mAudioChannels;
87    int32_t mSampleRate;
88    int32_t mInterleaveDurationUs;
89    int32_t mIFramesIntervalSec;
90    int32_t mCameraId;
91    int32_t mVideoEncoderProfile;
92    int32_t mVideoEncoderLevel;
93    int32_t mMovieTimeScale;
94    int32_t mVideoTimeScale;
95    int32_t mAudioTimeScale;
96    int64_t mMaxFileSizeBytes;
97    int64_t mMaxFileDurationUs;
98    int64_t mTrackEveryTimeDurationUs;
99    int32_t mRotationDegrees;  // Clockwise
100    int32_t mLatitudex10000;
101    int32_t mLongitudex10000;
102
103    bool mCaptureTimeLapse;
104    int64_t mTimeBetweenTimeLapseFrameCaptureUs;
105    bool mCaptureAuxVideo;
106    sp<MediaSourceSplitter> mCameraSourceSplitter;
107    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
108
109    String8 mParams;
110
111    bool mIsMetaDataStoredInVideoBuffers;
112    MediaProfiles *mEncoderProfiles;
113
114    bool mStarted;
115
116    status_t setupMPEG4Recording(
117        bool useSplitCameraSource,
118        int outputFd,
119        int32_t videoWidth, int32_t videoHeight,
120        int32_t videoBitRate,
121        int32_t *totalBitRate,
122        sp<MediaWriter> *mediaWriter);
123    void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
124        sp<MetaData> *meta);
125    status_t startMPEG4Recording();
126    status_t startAMRRecording();
127    status_t startAACRecording();
128    status_t startRawAudioRecording();
129    status_t startRTPRecording();
130    status_t startMPEG2TSRecording();
131    sp<MediaSource> createAudioSource();
132    status_t checkVideoEncoderCapabilities();
133    status_t checkAudioEncoderCapabilities();
134    status_t setupCameraSource(sp<CameraSource> *cameraSource);
135    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
136    status_t setupVideoEncoder(
137            sp<MediaSource> cameraSource,
138            int32_t videoBitRate,
139            sp<MediaSource> *source);
140
141    // Encoding parameter handling utilities
142    status_t setParameter(const String8 &key, const String8 &value);
143    status_t setParamAudioEncodingBitRate(int32_t bitRate);
144    status_t setParamAudioNumberOfChannels(int32_t channles);
145    status_t setParamAudioSamplingRate(int32_t sampleRate);
146    status_t setParamAudioTimeScale(int32_t timeScale);
147    status_t setParamTimeLapseEnable(int32_t timeLapseEnable);
148    status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs);
149    status_t setParamAuxVideoHeight(int32_t height);
150    status_t setParamAuxVideoWidth(int32_t width);
151    status_t setParamAuxVideoEncodingBitRate(int32_t bitRate);
152    status_t setParamVideoEncodingBitRate(int32_t bitRate);
153    status_t setParamVideoIFramesInterval(int32_t seconds);
154    status_t setParamVideoEncoderProfile(int32_t profile);
155    status_t setParamVideoEncoderLevel(int32_t level);
156    status_t setParamVideoCameraId(int32_t cameraId);
157    status_t setParamVideoTimeScale(int32_t timeScale);
158    status_t setParamVideoRotation(int32_t degrees);
159    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
160    status_t setParamInterleaveDuration(int32_t durationUs);
161    status_t setParam64BitFileOffset(bool use64BitFileOffset);
162    status_t setParamMaxFileDurationUs(int64_t timeUs);
163    status_t setParamMaxFileSizeBytes(int64_t bytes);
164    status_t setParamMovieTimeScale(int32_t timeScale);
165    status_t setParamGeoDataLongitude(int32_t longitudex10000);
166    status_t setParamGeoDataLatitude(int32_t latitudex10000);
167    void clipVideoBitRate();
168    void clipVideoFrameRate();
169    void clipVideoFrameWidth();
170    void clipVideoFrameHeight();
171    void clipAudioBitRate();
172    void clipAudioSampleRate();
173    void clipNumberOfAudioChannels();
174
175    StagefrightRecorder(const StagefrightRecorder &);
176    StagefrightRecorder &operator=(const StagefrightRecorder &);
177};
178
179}  // namespace android
180
181#endif  // STAGEFRIGHT_RECORDER_H_
182