StagefrightRecorder.h revision 78eff720c86eb6d4e3d45a144df60b2ca464d2d4 
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 CameraSourceTimeLapse;
29class MediaSourceSplitter;
30struct MediaSource;
31struct MediaWriter;
32class MetaData;
33struct AudioSource;
34class MediaProfiles;
35
36struct StagefrightRecorder : public MediaRecorderBase {
37    StagefrightRecorder();
38    virtual ~StagefrightRecorder();
39
40    virtual status_t init();
41    virtual status_t setAudioSource(audio_source as);
42    virtual status_t setVideoSource(video_source vs);
43    virtual status_t setOutputFormat(output_format of);
44    virtual status_t setAudioEncoder(audio_encoder ae);
45    virtual status_t setVideoEncoder(video_encoder ve);
46    virtual status_t setVideoSize(int width, int height);
47    virtual status_t setVideoFrameRate(int frames_per_second);
48    virtual status_t setCamera(const sp<ICamera>& camera);
49    virtual status_t setPreviewSurface(const sp<Surface>& surface);
50    virtual status_t setOutputFile(const char *path);
51    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
52    virtual status_t setOutputFileAuxiliary(int fd);
53    virtual status_t setParameters(const String8& params);
54    virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
55    virtual status_t prepare();
56    virtual status_t start();
57    virtual status_t pause();
58    virtual status_t stop();
59    virtual status_t close();
60    virtual status_t reset();
61    virtual status_t getMaxAmplitude(int *max);
62    virtual status_t dump(int fd, const Vector<String16>& args) const;
63
64private:
65    enum CameraFlags {
66        FLAGS_SET_CAMERA = 1L << 0,
67        FLAGS_HOT_CAMERA = 1L << 1,
68    };
69
70    sp<Camera> mCamera;
71    sp<Surface> mPreviewSurface;
72    sp<IMediaRecorderClient> mListener;
73    sp<MediaWriter> mWriter, mWriterAux;
74    sp<AudioSource> mAudioSourceNode;
75
76    audio_source mAudioSource;
77    video_source mVideoSource;
78    output_format mOutputFormat;
79    audio_encoder mAudioEncoder;
80    video_encoder mVideoEncoder;
81    bool mUse64BitFileOffset;
82    int32_t mVideoWidth, mVideoHeight;
83    int32_t mAuxVideoWidth, mAuxVideoHeight;
84    int32_t mFrameRate;
85    int32_t mVideoBitRate, mAuxVideoBitRate;
86    int32_t mAudioBitRate;
87    int32_t mAudioChannels;
88    int32_t mSampleRate;
89    int32_t mInterleaveDurationUs;
90    int32_t mIFramesIntervalSec;
91    int32_t mCameraId;
92    int32_t mVideoEncoderProfile;
93    int32_t mVideoEncoderLevel;
94    int32_t mMovieTimeScale;
95    int32_t mVideoTimeScale;
96    int32_t mAudioTimeScale;
97    int64_t mMaxFileSizeBytes;
98    int64_t mMaxFileDurationUs;
99    int64_t mTrackEveryTimeDurationUs;
100
101    bool mCaptureTimeLapse;
102    int64_t mTimeBetweenTimeLapseFrameCaptureUs;
103    bool mCaptureAuxVideo;
104    sp<MediaSourceSplitter> mCameraSourceSplitter;
105    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
106
107    String8 mParams;
108    int mOutputFd, mOutputFdAux;
109    int32_t mFlags;
110
111    MediaProfiles *mEncoderProfiles;
112
113    status_t setupMPEG4Recording(
114        bool useSplitCameraSource,
115        int outputFd,
116        int32_t videoWidth, int32_t videoHeight,
117        int32_t videoBitRate,
118        int32_t *totalBitRate,
119        sp<MediaWriter> *mediaWriter);
120    void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
121        sp<MetaData> *meta);
122    status_t startMPEG4Recording();
123    status_t startAMRRecording();
124    status_t startAACRecording();
125    status_t startRTPRecording();
126    sp<MediaSource> createAudioSource();
127    status_t setupCamera();
128    status_t setupCameraSource(sp<CameraSource> *cameraSource);
129    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
130    status_t setupVideoEncoder(
131            sp<MediaSource> cameraSource,
132            int32_t videoBitRate,
133            sp<MediaSource> *source);
134
135    // Encoding parameter handling utilities
136    status_t setParameter(const String8 &key, const String8 &value);
137    status_t setParamAudioEncodingBitRate(int32_t bitRate);
138    status_t setParamAudioNumberOfChannels(int32_t channles);
139    status_t setParamAudioSamplingRate(int32_t sampleRate);
140    status_t setParamAudioTimeScale(int32_t timeScale);
141    status_t setParamTimeLapseEnable(int32_t timeLapseEnable);
142    status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs);
143    status_t setParamAuxVideoHeight(int32_t height);
144    status_t setParamAuxVideoWidth(int32_t width);
145    status_t setParamAuxVideoEncodingBitRate(int32_t bitRate);
146    status_t setParamVideoEncodingBitRate(int32_t bitRate);
147    status_t setParamVideoIFramesInterval(int32_t seconds);
148    status_t setParamVideoEncoderProfile(int32_t profile);
149    status_t setParamVideoEncoderLevel(int32_t level);
150    status_t setParamVideoCameraId(int32_t cameraId);
151    status_t setParamVideoTimeScale(int32_t timeScale);
152    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
153    status_t setParamInterleaveDuration(int32_t durationUs);
154    status_t setParam64BitFileOffset(bool use64BitFileOffset);
155    status_t setParamMaxFileDurationUs(int64_t timeUs);
156    status_t setParamMaxFileSizeBytes(int64_t bytes);
157    status_t setParamMovieTimeScale(int32_t timeScale);
158    void clipVideoBitRate();
159    void clipVideoFrameRate();
160    void clipVideoFrameWidth();
161    void clipVideoFrameHeight();
162
163    StagefrightRecorder(const StagefrightRecorder &);
164    StagefrightRecorder &operator=(const StagefrightRecorder &);
165};
166
167}  // namespace android
168
169#endif  // STAGEFRIGHT_RECORDER_H_
170