StagefrightRecorder.h revision 99c2a076b4a46762a22bbb4dfbd51d107e0532d9 
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;
29class MediaProfiles;
30
31struct StagefrightRecorder : public MediaRecorderBase {
32    StagefrightRecorder();
33    virtual ~StagefrightRecorder();
34
35    virtual status_t init();
36    virtual status_t setAudioSource(audio_source as);
37    virtual status_t setVideoSource(video_source vs);
38    virtual status_t setOutputFormat(output_format of);
39    virtual status_t setAudioEncoder(audio_encoder ae);
40    virtual status_t setVideoEncoder(video_encoder ve);
41    virtual status_t setVideoSize(int width, int height);
42    virtual status_t setVideoFrameRate(int frames_per_second);
43    virtual status_t setCamera(const sp<ICamera>& camera);
44    virtual status_t setPreviewSurface(const sp<ISurface>& surface);
45    virtual status_t setOutputFile(const char *path);
46    virtual status_t setOutputFile(int fd, int64_t offset, int64_t length);
47    virtual status_t setParameters(const String8& params);
48    virtual status_t setListener(const sp<IMediaPlayerClient>& listener);
49    virtual status_t prepare();
50    virtual status_t start();
51    virtual status_t pause();
52    virtual status_t stop();
53    virtual status_t close();
54    virtual status_t reset();
55    virtual status_t getMaxAmplitude(int *max);
56
57private:
58    enum CameraFlags {
59        FLAGS_SET_CAMERA = 1L << 0,
60        FLAGS_HOT_CAMERA = 1L << 1,
61    };
62
63    sp<Camera> mCamera;
64    sp<ISurface> mPreviewSurface;
65    sp<IMediaPlayerClient> mListener;
66    sp<MediaWriter> mWriter;
67
68    audio_source mAudioSource;
69    video_source mVideoSource;
70    output_format mOutputFormat;
71    audio_encoder mAudioEncoder;
72    video_encoder mVideoEncoder;
73    int32_t mVideoWidth, mVideoHeight;
74    int32_t mFrameRate;
75    int32_t mVideoBitRate;
76    int32_t mAudioBitRate;
77    int32_t mAudioChannels;
78    int32_t mSampleRate;
79    int32_t mInterleaveDurationUs;
80    int32_t mIFramesInterval;
81    int64_t mMaxFileSizeBytes;
82    int64_t mMaxFileDurationUs;
83
84    String8 mParams;
85    int mOutputFd;
86    int32_t mFlags;
87
88    MediaProfiles *mEncoderProfiles;
89
90    status_t startMPEG4Recording();
91    status_t startAMRRecording();
92    status_t startAACRecording();
93    sp<MediaSource> createAudioSource();
94    status_t setParameter(const String8 &key, const String8 &value);
95    status_t setParamVideoEncodingBitRate(int32_t bitRate);
96    status_t setParamAudioEncodingBitRate(int32_t bitRate);
97    status_t setParamAudioNumberOfChannels(int32_t channles);
98    status_t setParamAudioSamplingRate(int32_t sampleRate);
99    status_t setParamInterleaveDuration(int32_t durationUs);
100    status_t setParamIFramesInterval(int32_t interval);
101    status_t setParamMaxDurationOrFileSize(int64_t limit, bool limit_is_duration);
102    void clipVideoBitRate();
103    void clipVideoFrameRate();
104    void clipVideoFrameWidth();
105    void clipVideoFrameHeight();
106
107    StagefrightRecorder(const StagefrightRecorder &);
108    StagefrightRecorder &operator=(const StagefrightRecorder &);
109};
110
111}  // namespace android
112
113#endif  // STAGEFRIGHT_RECORDER_H_
114
115