StagefrightRecorder.h revision 93d6b102a13afa23bfa80d74c399d93d542e6ad6 
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<IMediaPlayerClient>& 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
58private:
59    enum CameraFlags {
60        FLAGS_SET_CAMERA = 1L << 0,
61        FLAGS_HOT_CAMERA = 1L << 1,
62    };
63
64    sp<Camera> mCamera;
65    sp<ISurface> mPreviewSurface;
66    sp<IMediaPlayerClient> mListener;
67    sp<MediaWriter> mWriter;
68    sp<AudioSource> mAudioSourceNode;
69
70    audio_source mAudioSource;
71    video_source mVideoSource;
72    output_format mOutputFormat;
73    audio_encoder mAudioEncoder;
74    video_encoder mVideoEncoder;
75    bool mUse64BitFileOffset;
76    int32_t mVideoWidth, mVideoHeight;
77    int32_t mFrameRate;
78    int32_t mVideoBitRate;
79    int32_t mAudioBitRate;
80    int32_t mAudioChannels;
81    int32_t mSampleRate;
82    int32_t mInterleaveDurationUs;
83    int32_t mIFramesInterval;
84    int32_t mCameraId;
85    int64_t mMaxFileSizeBytes;
86    int64_t mMaxFileDurationUs;
87    int32_t mTrackEveryNumberOfFrames;
88    int64_t mTrackEveryTimeDurationUs;
89
90    String8 mParams;
91    int mOutputFd;
92    int32_t mFlags;
93
94    MediaProfiles *mEncoderProfiles;
95
96    status_t startMPEG4Recording();
97    status_t startAMRRecording();
98    status_t startAACRecording();
99    sp<MediaSource> createAudioSource();
100    status_t setParameter(const String8 &key, const String8 &value);
101    status_t setParamAudioEncodingBitRate(int32_t bitRate);
102    status_t setParamAudioNumberOfChannels(int32_t channles);
103    status_t setParamAudioSamplingRate(int32_t sampleRate);
104    status_t setParamVideoEncodingBitRate(int32_t bitRate);
105    status_t setParamVideoIFramesInterval(int32_t interval);
106    status_t setParamVideoCameraId(int32_t cameraId);
107    status_t setParamTrackTimeStatus(int64_t timeDurationUs);
108    status_t setParamTrackFrameStatus(int32_t nFrames);
109    status_t setParamInterleaveDuration(int32_t durationUs);
110    status_t setParam64BitFileOffset(bool use64BitFileOffset);
111    status_t setParamMaxDurationOrFileSize(int64_t limit, bool limit_is_duration);
112    void clipVideoBitRate();
113    void clipVideoFrameRate();
114    void clipVideoFrameWidth();
115    void clipVideoFrameHeight();
116
117    StagefrightRecorder(const StagefrightRecorder &);
118    StagefrightRecorder &operator=(const StagefrightRecorder &);
119};
120
121}  // namespace android
122
123#endif  // STAGEFRIGHT_RECORDER_H_
124
125