mediarecorder.h revision 8ba01021b573889802e67e029225a96f0dfa471a 
1/*
2 ** Copyright (C) 2008 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 **
15 ** limitations under the License.
16 */
17
18#ifndef ANDROID_MEDIARECORDER_H
19#define ANDROID_MEDIARECORDER_H
20
21#include <utils/Log.h>
22#include <utils/threads.h>
23#include <utils/List.h>
24#include <utils/Errors.h>
25#include <media/IMediaRecorderClient.h>
26#include <media/IMediaDeathNotifier.h>
27
28namespace android {
29
30class Surface;
31class IMediaRecorder;
32class ICamera;
33class ICameraRecordingProxy;
34class IGraphicBufferProducer;
35class SurfaceTextureClient;
36
37typedef void (*media_completion_f)(status_t status, void *cookie);
38
39enum video_source {
40    VIDEO_SOURCE_DEFAULT = 0,
41    VIDEO_SOURCE_CAMERA = 1,
42    VIDEO_SOURCE_GRALLOC_BUFFER = 2,
43
44    VIDEO_SOURCE_LIST_END  // must be last - used to validate audio source type
45};
46
47//Please update media/java/android/media/MediaRecorder.java if the following is updated.
48enum output_format {
49    OUTPUT_FORMAT_DEFAULT = 0,
50    OUTPUT_FORMAT_THREE_GPP = 1,
51    OUTPUT_FORMAT_MPEG_4 = 2,
52
53
54    OUTPUT_FORMAT_AUDIO_ONLY_START = 3, // Used in validating the output format.  Should be the
55                                        //  at the start of the audio only output formats.
56
57    /* These are audio only file formats */
58    OUTPUT_FORMAT_RAW_AMR = 3, //to be backward compatible
59    OUTPUT_FORMAT_AMR_NB = 3,
60    OUTPUT_FORMAT_AMR_WB = 4,
61    OUTPUT_FORMAT_AAC_ADIF = 5,
62    OUTPUT_FORMAT_AAC_ADTS = 6,
63
64    /* Stream over a socket, limited to a single stream */
65    OUTPUT_FORMAT_RTP_AVP = 7,
66
67    /* H.264/AAC data encapsulated in MPEG2/TS */
68    OUTPUT_FORMAT_MPEG2TS = 8,
69
70    OUTPUT_FORMAT_LIST_END // must be last - used to validate format type
71};
72
73enum audio_encoder {
74    AUDIO_ENCODER_DEFAULT = 0,
75    AUDIO_ENCODER_AMR_NB = 1,
76    AUDIO_ENCODER_AMR_WB = 2,
77    AUDIO_ENCODER_AAC = 3,
78    AUDIO_ENCODER_HE_AAC = 4,
79    AUDIO_ENCODER_AAC_ELD = 5,
80
81    AUDIO_ENCODER_LIST_END // must be the last - used to validate the audio encoder type
82};
83
84enum video_encoder {
85    VIDEO_ENCODER_DEFAULT = 0,
86    VIDEO_ENCODER_H263 = 1,
87    VIDEO_ENCODER_H264 = 2,
88    VIDEO_ENCODER_MPEG_4_SP = 3,
89
90    VIDEO_ENCODER_LIST_END // must be the last - used to validate the video encoder type
91};
92
93/*
94 * The state machine of the media_recorder.
95 */
96enum media_recorder_states {
97    // Error state.
98    MEDIA_RECORDER_ERROR                 =      0,
99
100    // Recorder was just created.
101    MEDIA_RECORDER_IDLE                  = 1 << 0,
102
103    // Recorder has been initialized.
104    MEDIA_RECORDER_INITIALIZED           = 1 << 1,
105
106    // Configuration of the recorder has been completed.
107    MEDIA_RECORDER_DATASOURCE_CONFIGURED = 1 << 2,
108
109    // Recorder is ready to start.
110    MEDIA_RECORDER_PREPARED              = 1 << 3,
111
112    // Recording is in progress.
113    MEDIA_RECORDER_RECORDING             = 1 << 4,
114};
115
116// The "msg" code passed to the listener in notify.
117enum media_recorder_event_type {
118    MEDIA_RECORDER_EVENT_LIST_START               = 1,
119    MEDIA_RECORDER_EVENT_ERROR                    = 1,
120    MEDIA_RECORDER_EVENT_INFO                     = 2,
121    MEDIA_RECORDER_EVENT_LIST_END                 = 99,
122
123    // Track related event types
124    MEDIA_RECORDER_TRACK_EVENT_LIST_START         = 100,
125    MEDIA_RECORDER_TRACK_EVENT_ERROR              = 100,
126    MEDIA_RECORDER_TRACK_EVENT_INFO               = 101,
127    MEDIA_RECORDER_TRACK_EVENT_LIST_END           = 1000,
128};
129
130/*
131 * The (part of) "what" code passed to the listener in notify.
132 * When the error or info type is track specific, the what has
133 * the following layout:
134 * the left-most 16-bit is meant for error or info type.
135 * the right-most 4-bit is meant for track id.
136 * the rest is reserved.
137 *
138 * | track id | reserved |     error or info type     |
139 * 31         28         16                           0
140 *
141 */
142enum media_recorder_error_type {
143    MEDIA_RECORDER_ERROR_UNKNOWN                   = 1,
144
145    // Track related error type
146    MEDIA_RECORDER_TRACK_ERROR_LIST_START          = 100,
147    MEDIA_RECORDER_TRACK_ERROR_GENERAL             = 100,
148    MEDIA_RECORDER_ERROR_VIDEO_NO_SYNC_FRAME       = 200,
149    MEDIA_RECORDER_TRACK_ERROR_LIST_END            = 1000,
150};
151
152// The codes are distributed as follow:
153//   0xx: Reserved
154//   8xx: General info/warning
155//
156enum media_recorder_info_type {
157    MEDIA_RECORDER_INFO_UNKNOWN                   = 1,
158
159    MEDIA_RECORDER_INFO_MAX_DURATION_REACHED      = 800,
160    MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED      = 801,
161
162    // All track related informtional events start here
163    MEDIA_RECORDER_TRACK_INFO_LIST_START           = 1000,
164    MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS    = 1000,
165    MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME     = 1001,
166    MEDIA_RECORDER_TRACK_INFO_TYPE                 = 1002,
167    MEDIA_RECORDER_TRACK_INFO_DURATION_MS          = 1003,
168
169    // The time to measure the max chunk duration
170    MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS     = 1004,
171
172    MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES       = 1005,
173
174    // The time to measure how well the audio and video
175    // track data is interleaved.
176    MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS       = 1006,
177
178    // The time to measure system response. Note that
179    // the delay does not include the intentional delay
180    // we use to eliminate the recording sound.
181    MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS     = 1007,
182
183    // The time used to compensate for initial A/V sync.
184    MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS      = 1008,
185
186    // Total number of bytes of the media data.
187    MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES          = 1009,
188
189    MEDIA_RECORDER_TRACK_INFO_LIST_END             = 2000,
190};
191
192// ----------------------------------------------------------------------------
193// ref-counted object for callbacks
194class MediaRecorderListener: virtual public RefBase
195{
196public:
197    virtual void notify(int msg, int ext1, int ext2) = 0;
198};
199
200class MediaRecorder : public BnMediaRecorderClient,
201                      public virtual IMediaDeathNotifier
202{
203public:
204    MediaRecorder();
205    ~MediaRecorder();
206
207    void        died();
208    status_t    initCheck();
209    status_t    setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
210    status_t    setPreviewSurface(const sp<Surface>& surface);
211    status_t    setVideoSource(int vs);
212    status_t    setAudioSource(int as);
213    status_t    setOutputFormat(int of);
214    status_t    setVideoEncoder(int ve);
215    status_t    setAudioEncoder(int ae);
216    status_t    setOutputFile(const char* path);
217    status_t    setOutputFile(int fd, int64_t offset, int64_t length);
218    status_t    setVideoSize(int width, int height);
219    status_t    setVideoFrameRate(int frames_per_second);
220    status_t    setParameters(const String8& params);
221    status_t    setListener(const sp<MediaRecorderListener>& listener);
222    status_t    prepare();
223    status_t    getMaxAmplitude(int* max);
224    status_t    start();
225    status_t    stop();
226    status_t    reset();
227    status_t    init();
228    status_t    close();
229    status_t    release();
230    void        notify(int msg, int ext1, int ext2);
231    sp<IGraphicBufferProducer>     querySurfaceMediaSourceFromMediaServer();
232
233private:
234    void                    doCleanUp();
235    status_t                doReset();
236
237    sp<IMediaRecorder>          mMediaRecorder;
238    sp<MediaRecorderListener>   mListener;
239
240    // Reference to IGraphicBufferProducer
241    // for encoding GL Frames. That is useful only when the
242    // video source is set to VIDEO_SOURCE_GRALLOC_BUFFER
243    sp<IGraphicBufferProducer>  mSurfaceMediaSource;
244
245    media_recorder_states       mCurrentState;
246    bool                        mIsAudioSourceSet;
247    bool                        mIsVideoSourceSet;
248    bool                        mIsAudioEncoderSet;
249    bool                        mIsVideoEncoderSet;
250    bool                        mIsOutputFileSet;
251    Mutex                       mLock;
252    Mutex                       mNotifyLock;
253};
254
255};  // namespace android
256
257#endif // ANDROID_MEDIARECORDER_H
258