StagefrightRecorder.h revision 5b6edb79827a910d8e677e35e77bc12fdc7772b9 
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;
27struct MediaSource;
28struct MediaWriter;
29struct AudioSource;
30class MediaProfiles;
31
32struct StagefrightRecorder : public MediaRecorderBase {
33    StagefrightRecorder();
34    virtual ~StagefrightRecorder();
35
36    virtual status_t init();
37    virtual status_t setAudioSource(audio_source as);
38    virtual status_t setVideoSource(video_source vs);
39    virtual status_t setOutputFormat(output_format of);
40    virtual status_t setAudioEncoder(audio_encoder ae);
41    virtual status_t setVideoEncoder(video_encoder ve);
42    virtual status_t setVideoSize(int width, int height);
43    virtual status_t setVideoFrameRate(int frames_per_second);
44    virtual status_t setCamera(const sp<ICamera>& camera);
45    virtual status_t setPreviewSurface(const sp<ISurface>& surface);
46    virtual status_t setOutputFile(const char *path);
47    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
48    virtual status_t setParameters(const String8& params);
49    virtual status_t setListener(const sp<IMediaRecorderClient>& listener);
50    virtual status_t prepare();
51    virtual status_t start();
52    virtual status_t pause();
53    virtual status_t stop();
54    virtual status_t close();
55    virtual status_t reset();
56    virtual status_t getMaxAmplitude(int *max);
57    virtual status_t dump(int fd, const Vector<String16>& args) const;
58
59private:
60    enum CameraFlags {
61        FLAGS_SET_CAMERA = 1L << 0,
62        FLAGS_HOT_CAMERA = 1L << 1,
63    };
64
65    sp<Camera> mCamera;
66    sp<ISurface> mPreviewSurface;
67    sp<IMediaRecorderClient> mListener;
68    sp<MediaWriter> mWriter;
69    sp<AudioSource> mAudioSourceNode;
70
71    audio_source mAudioSource;
72    video_source mVideoSource;
73    output_format mOutputFormat;
74    audio_encoder mAudioEncoder;
75    video_encoder mVideoEncoder;
76    bool mUse64BitFileOffset;
77    int32_t mVideoWidth, mVideoHeight;
78    int32_t mFrameRate;
79    int32_t mVideoBitRate;
80    int32_t mAudioBitRate;
81    int32_t mAudioChannels;
82    int32_t mSampleRate;
83    int32_t mInterleaveDurationUs;
84    int32_t mIFramesIntervalSec;
85    int32_t mCameraId;
86    int32_t mVideoEncoderProfile;
87    int32_t mVideoEncoderLevel;
88    int32_t mMovieTimeScale;
89    int32_t mVideoTimeScale;
90    int32_t mAudioTimeScale;
91    int64_t mMaxFileSizeBytes;
92    int64_t mMaxFileDurationUs;
93    int64_t mTrackEveryTimeDurationUs;
94    int32_t mClockwiseRotationDegrees;
95
96    String8 mParams;
97    int mOutputFd;
98    int32_t mFlags;
99
100    MediaProfiles *mEncoderProfiles;
101
102    status_t startMPEG4Recording();
103    status_t startAMRRecording();
104    status_t startAACRecording();
105    status_t startRTPRecording();
106    status_t startMPEG2TSRecording();
107    sp<MediaSource> createAudioSource();
108    status_t setupCameraSource();
109    status_t setupAudioEncoder(const sp<MediaWriter>& writer);
110    status_t setupVideoEncoder(sp<MediaSource> *source);
111
112    // Encoding parameter handling utilities
113    status_t setParameter(const String8 &key, const String8 &value);
114    status_t setParamAudioEncodingBitRate(int32_t bitRate);
115    status_t setParamAudioNumberOfChannels(int32_t channles);
116    status_t setParamAudioSamplingRate(int32_t sampleRate);
117    status_t setParamAudioTimeScale(int32_t timeScale);
118    status_t setParamVideoEncodingBitRate(int32_t bitRate);
119    status_t setParamVideoIFramesInterval(int32_t seconds);
120    status_t setParamVideoEncoderProfile(int32_t profile);
121    status_t setParamVideoEncoderLevel(int32_t level);
122    status_t setParamVideoCameraId(int32_t cameraId);
123    status_t setParamVideoTimeScale(int32_t timeScale);
124    status_t setParamVideoRotation(int32_t degreesClockwise);
125    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
126    status_t setParamInterleaveDuration(int32_t durationUs);
127    status_t setParam64BitFileOffset(bool use64BitFileOffset);
128    status_t setParamMaxFileDurationUs(int64_t timeUs);
129    status_t setParamMaxFileSizeBytes(int64_t bytes);
130    status_t setParamMovieTimeScale(int32_t timeScale);
131    void clipVideoBitRate();
132    void clipVideoFrameRate();
133    void clipVideoFrameWidth();
134    void clipVideoFrameHeight();
135
136    StagefrightRecorder(const StagefrightRecorder &);
137    StagefrightRecorder &operator=(const StagefrightRecorder &);
138};
139
140}  // namespace android
141
142#endif  // STAGEFRIGHT_RECORDER_H_
143
144