StagefrightRecorder.h revision 13f6284305e4b27395a23db7882d670bdb1bcae1 
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
25namespace android {
26
27class Camera;
28class CameraSource;
29class CameraSourceTimeLapse;
30class MediaSourceSplitter;
31struct MediaSource;
32struct MediaWriter;
33class MetaData;
34struct AudioSource;
35class MediaProfiles;
36
37struct StagefrightRecorder : public MediaRecorderBase {
38    StagefrightRecorder();
39    virtual ~StagefrightRecorder();
40
41    virtual status_t init();
42    virtual status_t setAudioSource(audio_source as);
43    virtual status_t setVideoSource(video_source vs);
44    virtual status_t setOutputFormat(output_format of);
45    virtual status_t setAudioEncoder(audio_encoder ae);
46    virtual status_t setVideoEncoder(video_encoder ve);
47    virtual status_t setVideoSize(int width, int height);
48    virtual status_t setVideoFrameRate(int frames_per_second);
49    virtual status_t setCamera(const sp<ICamera>& camera);
50    virtual status_t setPreviewSurface(const sp<Surface>& surface);
51    virtual status_t setOutputFile(const char *path);
52    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
53    virtual status_t setOutputFileAuxiliary(int fd);
54    virtual status_t setParameters(const String8& params);
55    virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
56    virtual status_t prepare();
57    virtual status_t start();
58    virtual status_t pause();
59    virtual status_t stop();
60    virtual status_t close();
61    virtual status_t reset();
62    virtual status_t getMaxAmplitude(int *max);
63    virtual status_t dump(int fd, const Vector<String16>& args) const;
64
65private:
66    sp<ICamera> mCamera;
67    sp<Surface> mPreviewSurface;
68    sp<IMediaRecorderClient> mListener;
69    sp<MediaWriter> mWriter, mWriterAux;
70    sp<AudioSource> mAudioSourceNode;
71
72    audio_source mAudioSource;
73    video_source mVideoSource;
74    output_format mOutputFormat;
75    audio_encoder mAudioEncoder;
76    video_encoder mVideoEncoder;
77    bool mUse64BitFileOffset;
78    int32_t mVideoWidth, mVideoHeight;
79    int32_t mAuxVideoWidth, mAuxVideoHeight;
80    int32_t mFrameRate;
81    int32_t mVideoBitRate, mAuxVideoBitRate;
82    int32_t mAudioBitRate;
83    int32_t mAudioChannels;
84    int32_t mSampleRate;
85    int32_t mInterleaveDurationUs;
86    int32_t mIFramesIntervalSec;
87    int32_t mCameraId;
88    int32_t mVideoEncoderProfile;
89    int32_t mVideoEncoderLevel;
90    int32_t mMovieTimeScale;
91    int32_t mVideoTimeScale;
92    int32_t mAudioTimeScale;
93    int64_t mMaxFileSizeBytes;
94    int64_t mMaxFileDurationUs;
95    int64_t mTrackEveryTimeDurationUs;
96    int32_t mRotationDegrees;  // Clockwise
97
98    bool mCaptureTimeLapse;
99    int64_t mTimeBetweenTimeLapseFrameCaptureUs;
100    bool mCaptureAuxVideo;
101    sp<MediaSourceSplitter> mCameraSourceSplitter;
102    sp<CameraSourceTimeLapse> mCameraSourceTimeLapse;
103
104    String8 mParams;
105    int mOutputFd, mOutputFdAux;
106
107    bool mIsMetaDataStoredInVideoBuffers;
108    MediaProfiles *mEncoderProfiles;
109
110    status_t setupMPEG4Recording(
111        bool useSplitCameraSource,
112        int outputFd,
113        int32_t videoWidth, int32_t videoHeight,
114        int32_t videoBitRate,
115        int32_t *totalBitRate,
116        sp<MediaWriter> *mediaWriter);
117    void setupMPEG4MetaData(int64_t startTimeUs, int32_t totalBitRate,
118        sp<MetaData> *meta);
119    status_t startMPEG4Recording();
120    status_t startAMRRecording();
121    status_t startAACRecording();
122    status_t startRTPRecording();
123    status_t startMPEG2TSRecording();
124    sp<MediaSource> createAudioSource();
125    status_t checkVideoEncoderCapabilities();
126    status_t setupCameraSource(sp<CameraSource> *cameraSource);
127    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
128    status_t setupVideoEncoder(
129            sp<MediaSource> cameraSource,
130            int32_t videoBitRate,
131            sp<MediaSource> *source);
132
133    // Encoding parameter handling utilities
134    status_t setParameter(const String8 &key, const String8 &value);
135    status_t setParamAudioEncodingBitRate(int32_t bitRate);
136    status_t setParamAudioNumberOfChannels(int32_t channles);
137    status_t setParamAudioSamplingRate(int32_t sampleRate);
138    status_t setParamAudioTimeScale(int32_t timeScale);
139    status_t setParamTimeLapseEnable(int32_t timeLapseEnable);
140    status_t setParamTimeBetweenTimeLapseFrameCapture(int64_t timeUs);
141    status_t setParamAuxVideoHeight(int32_t height);
142    status_t setParamAuxVideoWidth(int32_t width);
143    status_t setParamAuxVideoEncodingBitRate(int32_t bitRate);
144    status_t setParamVideoEncodingBitRate(int32_t bitRate);
145    status_t setParamVideoIFramesInterval(int32_t seconds);
146    status_t setParamVideoEncoderProfile(int32_t profile);
147    status_t setParamVideoEncoderLevel(int32_t level);
148    status_t setParamVideoCameraId(int32_t cameraId);
149    status_t setParamVideoTimeScale(int32_t timeScale);
150    status_t setParamVideoRotation(int32_t degrees);
151    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
152    status_t setParamInterleaveDuration(int32_t durationUs);
153    status_t setParam64BitFileOffset(bool use64BitFileOffset);
154    status_t setParamMaxFileDurationUs(int64_t timeUs);
155    status_t setParamMaxFileSizeBytes(int64_t bytes);
156    status_t setParamMovieTimeScale(int32_t timeScale);
157    void clipVideoBitRate();
158    void clipVideoFrameRate();
159    void clipVideoFrameWidth();
160    void clipVideoFrameHeight();
161
162    StagefrightRecorder(const StagefrightRecorder &);
163    StagefrightRecorder &operator=(const StagefrightRecorder &);
164};
165
166}  // namespace android
167
168#endif  // STAGEFRIGHT_RECORDER_H_
169