StagefrightRecorder.h revision 9c075bca0b75093ca0514a3c8f74d73c8e9e83fd 
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 <utils/String8.h>
23
24namespace android {
25
26class Camera;
27class CameraSource;
28class MediaSourceSplitter;
29struct MediaSource;
30struct MediaWriter;
31class MetaData;
32struct AudioSource;
33class MediaProfiles;
34
35struct StagefrightRecorder : public MediaRecorderBase {
36    StagefrightRecorder();
37    virtual ~StagefrightRecorder();
38
39    virtual status_t init();
40    virtual status_t setAudioSource(audio_source as);
41    virtual status_t setVideoSource(video_source vs);
42    virtual status_t setOutputFormat(output_format of);
43    virtual status_t setAudioEncoder(audio_encoder ae);
44    virtual status_t setVideoEncoder(video_encoder ve);
45    virtual status_t setVideoSize(int width, int height);
46    virtual status_t setVideoFrameRate(int frames_per_second);
47    virtual status_t setCamera(const sp<ICamera>& camera);
48    virtual status_t setPreviewSurface(const sp<Surface>& surface);
49    virtual status_t setOutputFile(const char *path);
50    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
51    virtual status_t setOutputFileAuxiliary(int fd);
52    virtual status_t setParameters(const String8& params);
53    virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
54    virtual status_t prepare();
55    virtual status_t start();
56    virtual status_t pause();
57    virtual status_t stop();
58    virtual status_t close();
59    virtual status_t reset();
60    virtual status_t getMaxAmplitude(int *max);
61    virtual status_t dump(int fd, const Vector<String16>& args) const;
62
63private:
64    enum CameraFlags {
65        FLAGS_SET_CAMERA = 1L << 0,
66        FLAGS_HOT_CAMERA = 1L << 1,
67    };
68
69    sp<Camera> mCamera;
70    sp<Surface> mPreviewSurface;
71    sp<IMediaRecorderClient> mListener;
72    sp<MediaWriter> mWriter, mWriterAux;
73    sp<AudioSource> mAudioSourceNode;
74
75    audio_source 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 mFrameRate;
83    int32_t mVideoBitRate, mVideoBitRateAux;
84    int32_t mAudioBitRate, mAudioBitRateAux;
85    int32_t mAudioChannels;
86    int32_t mSampleRate;
87    int32_t mInterleaveDurationUs;
88    int32_t mIFramesIntervalSec;
89    int32_t mCameraId;
90    int32_t mVideoEncoderProfile;
91    int32_t mVideoEncoderLevel;
92    int32_t mMovieTimeScale;
93    int32_t mVideoTimeScale;
94    int32_t mAudioTimeScale;
95    int64_t mMaxFileSizeBytes;
96    int64_t mMaxFileDurationUs;
97    int64_t mTrackEveryTimeDurationUs;
98
99    bool mCaptureTimeLapse;
100    bool mUseStillCameraForTimeLapse;
101    int64_t mTimeBetweenTimeLapseFrameCaptureUs;
102    bool mCaptureAuxVideo;
103    sp<MediaSourceSplitter> mCameraSourceSplitter;
104
105    String8 mParams;
106    int mOutputFd, mOutputFdAux;
107    int32_t mFlags;
108
109    MediaProfiles *mEncoderProfiles;
110
111    status_t setupMPEG4Recording(
112        bool useAuxiliaryCameraSource,
113        int outputFd, int32_t audioBitRate, int32_t videoBitRate,
114        int32_t *totalBitRate,
115        sp<MediaWriter> *mediaWriter);
116    void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
117        sp<MetaData> *meta);
118    status_t startMPEG4Recording();
119    status_t startAMRRecording();
120    status_t startAACRecording();
121    status_t startRTPRecording();
122    sp<MediaSource> createAudioSource();
123    status_t setupCamera();
124    status_t setupCameraSource(sp<CameraSource> *cameraSource);
125    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
126    status_t setupVideoEncoder(
127            sp<MediaSource> cameraSource,
128            int32_t videoBitRate,
129            sp<MediaSource> *source);
130
131    // Encoding parameter handling utilities
132    status_t setParameter(const String8 &key, const String8 &value);
133    status_t setParamAudioEncodingBitRate(int32_t bitRate);
134    status_t setParamAudioNumberOfChannels(int32_t channles);
135    status_t setParamAudioSamplingRate(int32_t sampleRate);
136    status_t setParamAudioTimeScale(int32_t timeScale);
137    status_t setParamTimeLapseEnable(int32_t timeLapseEnable);
138    status_t setParamUseStillCameraForTimeLapse(int32_t useStillCamera);
139    status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs);
140    status_t setParamVideoEncodingBitRate(int32_t bitRate);
141    status_t setParamVideoIFramesInterval(int32_t seconds);
142    status_t setParamVideoEncoderProfile(int32_t profile);
143    status_t setParamVideoEncoderLevel(int32_t level);
144    status_t setParamVideoCameraId(int32_t cameraId);
145    status_t setParamVideoTimeScale(int32_t timeScale);
146    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
147    status_t setParamInterleaveDuration(int32_t durationUs);
148    status_t setParam64BitFileOffset(bool use64BitFileOffset);
149    status_t setParamMaxFileDurationUs(int64_t timeUs);
150    status_t setParamMaxFileSizeBytes(int64_t bytes);
151    status_t setParamMovieTimeScale(int32_t timeScale);
152    void clipVideoBitRate();
153    void clipVideoFrameRate();
154    void clipVideoFrameWidth();
155    void clipVideoFrameHeight();
156
157    StagefrightRecorder(const StagefrightRecorder &);
158    StagefrightRecorder &operator=(const StagefrightRecorder &);
159};
160
161}  // namespace android
162
163#endif  // STAGEFRIGHT_RECORDER_H_
164