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      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 
     28 namespace android {
     29 
     30 class Surface;
     31 class IMediaRecorder;
     32 class ICamera;
     33 class ICameraRecordingProxy;
     34 class IGraphicBufferProducer;
     35 struct PersistentSurface;
     36 class Surface;
     37 
     38 typedef void (*media_completion_f)(status_t status, void *cookie);
     39 
     40 enum video_source {
     41     VIDEO_SOURCE_DEFAULT = 0,
     42     VIDEO_SOURCE_CAMERA = 1,
     43     VIDEO_SOURCE_SURFACE = 2,
     44 
     45     VIDEO_SOURCE_LIST_END  // must be last - used to validate audio source type
     46 };
     47 
     48 //Please update media/java/android/media/MediaRecorder.java if the following is updated.
     49 enum output_format {
     50     OUTPUT_FORMAT_DEFAULT = 0,
     51     OUTPUT_FORMAT_THREE_GPP = 1,
     52     OUTPUT_FORMAT_MPEG_4 = 2,
     53 
     54 
     55     OUTPUT_FORMAT_AUDIO_ONLY_START = 3, // Used in validating the output format.  Should be the
     56                                         //  at the start of the audio only output formats.
     57 
     58     /* These are audio only file formats */
     59     OUTPUT_FORMAT_RAW_AMR = 3, //to be backward compatible
     60     OUTPUT_FORMAT_AMR_NB = 3,
     61     OUTPUT_FORMAT_AMR_WB = 4,
     62     OUTPUT_FORMAT_AAC_ADIF = 5,
     63     OUTPUT_FORMAT_AAC_ADTS = 6,
     64 
     65     OUTPUT_FORMAT_AUDIO_ONLY_END = 7, // Used in validating the output format.  Should be the
     66                                       //  at the end of the audio only output formats.
     67 
     68     /* Stream over a socket, limited to a single stream */
     69     OUTPUT_FORMAT_RTP_AVP = 7,
     70 
     71     /* H.264/AAC data encapsulated in MPEG2/TS */
     72     OUTPUT_FORMAT_MPEG2TS = 8,
     73 
     74     /* VP8/VORBIS data in a WEBM container */
     75     OUTPUT_FORMAT_WEBM = 9,
     76 
     77     OUTPUT_FORMAT_LIST_END // must be last - used to validate format type
     78 };
     79 
     80 enum audio_encoder {
     81     AUDIO_ENCODER_DEFAULT = 0,
     82     AUDIO_ENCODER_AMR_NB = 1,
     83     AUDIO_ENCODER_AMR_WB = 2,
     84     AUDIO_ENCODER_AAC = 3,
     85     AUDIO_ENCODER_HE_AAC = 4,
     86     AUDIO_ENCODER_AAC_ELD = 5,
     87     AUDIO_ENCODER_VORBIS = 6,
     88 
     89     AUDIO_ENCODER_LIST_END // must be the last - used to validate the audio encoder type
     90 };
     91 
     92 enum video_encoder {
     93     VIDEO_ENCODER_DEFAULT = 0,
     94     VIDEO_ENCODER_H263 = 1,
     95     VIDEO_ENCODER_H264 = 2,
     96     VIDEO_ENCODER_MPEG_4_SP = 3,
     97     VIDEO_ENCODER_VP8 = 4,
     98 
     99     VIDEO_ENCODER_LIST_END // must be the last - used to validate the video encoder type
    100 };
    101 
    102 /*
    103  * The state machine of the media_recorder.
    104  */
    105 enum media_recorder_states {
    106     // Error state.
    107     MEDIA_RECORDER_ERROR                 =      0,
    108 
    109     // Recorder was just created.
    110     MEDIA_RECORDER_IDLE                  = 1 << 0,
    111 
    112     // Recorder has been initialized.
    113     MEDIA_RECORDER_INITIALIZED           = 1 << 1,
    114 
    115     // Configuration of the recorder has been completed.
    116     MEDIA_RECORDER_DATASOURCE_CONFIGURED = 1 << 2,
    117 
    118     // Recorder is ready to start.
    119     MEDIA_RECORDER_PREPARED              = 1 << 3,
    120 
    121     // Recording is in progress.
    122     MEDIA_RECORDER_RECORDING             = 1 << 4,
    123 };
    124 
    125 // The "msg" code passed to the listener in notify.
    126 enum media_recorder_event_type {
    127     MEDIA_RECORDER_EVENT_LIST_START               = 1,
    128     MEDIA_RECORDER_EVENT_ERROR                    = 1,
    129     MEDIA_RECORDER_EVENT_INFO                     = 2,
    130     MEDIA_RECORDER_EVENT_LIST_END                 = 99,
    131 
    132     // Track related event types
    133     MEDIA_RECORDER_TRACK_EVENT_LIST_START         = 100,
    134     MEDIA_RECORDER_TRACK_EVENT_ERROR              = 100,
    135     MEDIA_RECORDER_TRACK_EVENT_INFO               = 101,
    136     MEDIA_RECORDER_TRACK_EVENT_LIST_END           = 1000,
    137 };
    138 
    139 /*
    140  * The (part of) "what" code passed to the listener in notify.
    141  * When the error or info type is track specific, the what has
    142  * the following layout:
    143  * the left-most 16-bit is meant for error or info type.
    144  * the right-most 4-bit is meant for track id.
    145  * the rest is reserved.
    146  *
    147  * | track id | reserved |     error or info type     |
    148  * 31         28         16                           0
    149  *
    150  */
    151 enum media_recorder_error_type {
    152     MEDIA_RECORDER_ERROR_UNKNOWN                   = 1,
    153 
    154     // Track related error type
    155     MEDIA_RECORDER_TRACK_ERROR_LIST_START          = 100,
    156     MEDIA_RECORDER_TRACK_ERROR_GENERAL             = 100,
    157     MEDIA_RECORDER_ERROR_VIDEO_NO_SYNC_FRAME       = 200,
    158     MEDIA_RECORDER_TRACK_ERROR_LIST_END            = 1000,
    159 };
    160 
    161 // The codes are distributed as follow:
    162 //   0xx: Reserved
    163 //   8xx: General info/warning
    164 //
    165 enum media_recorder_info_type {
    166     MEDIA_RECORDER_INFO_UNKNOWN                   = 1,
    167 
    168     MEDIA_RECORDER_INFO_MAX_DURATION_REACHED      = 800,
    169     MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED      = 801,
    170 
    171     // All track related informtional events start here
    172     MEDIA_RECORDER_TRACK_INFO_LIST_START           = 1000,
    173     MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS    = 1000,
    174     MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME     = 1001,
    175     MEDIA_RECORDER_TRACK_INFO_TYPE                 = 1002,
    176     MEDIA_RECORDER_TRACK_INFO_DURATION_MS          = 1003,
    177 
    178     // The time to measure the max chunk duration
    179     MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS     = 1004,
    180 
    181     MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES       = 1005,
    182 
    183     // The time to measure how well the audio and video
    184     // track data is interleaved.
    185     MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS       = 1006,
    186 
    187     // The time to measure system response. Note that
    188     // the delay does not include the intentional delay
    189     // we use to eliminate the recording sound.
    190     MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS     = 1007,
    191 
    192     // The time used to compensate for initial A/V sync.
    193     MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS      = 1008,
    194 
    195     // Total number of bytes of the media data.
    196     MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES          = 1009,
    197 
    198     MEDIA_RECORDER_TRACK_INFO_LIST_END             = 2000,
    199 };
    200 
    201 // ----------------------------------------------------------------------------
    202 // ref-counted object for callbacks
    203 class MediaRecorderListener: virtual public RefBase
    204 {
    205 public:
    206     virtual void notify(int msg, int ext1, int ext2) = 0;
    207 };
    208 
    209 class MediaRecorder : public BnMediaRecorderClient,
    210                       public virtual IMediaDeathNotifier
    211 {
    212 public:
    213     MediaRecorder(const String16& opPackageName);
    214     ~MediaRecorder();
    215 
    216     void        died();
    217     status_t    initCheck();
    218     status_t    setCamera(const sp<ICamera>& camera, const sp<ICameraRecordingProxy>& proxy);
    219     status_t    setPreviewSurface(const sp<IGraphicBufferProducer>& surface);
    220     status_t    setVideoSource(int vs);
    221     status_t    setAudioSource(int as);
    222     status_t    setOutputFormat(int of);
    223     status_t    setVideoEncoder(int ve);
    224     status_t    setAudioEncoder(int ae);
    225     status_t    setOutputFile(int fd, int64_t offset, int64_t length);
    226     status_t    setVideoSize(int width, int height);
    227     status_t    setVideoFrameRate(int frames_per_second);
    228     status_t    setParameters(const String8& params);
    229     status_t    setListener(const sp<MediaRecorderListener>& listener);
    230     status_t    setClientName(const String16& clientName);
    231     status_t    prepare();
    232     status_t    getMaxAmplitude(int* max);
    233     status_t    start();
    234     status_t    stop();
    235     status_t    reset();
    236     status_t    init();
    237     status_t    close();
    238     status_t    release();
    239     void        notify(int msg, int ext1, int ext2);
    240     status_t    setInputSurface(const sp<PersistentSurface>& surface);
    241     sp<IGraphicBufferProducer>     querySurfaceMediaSourceFromMediaServer();
    242 
    243 private:
    244     void                    doCleanUp();
    245     status_t                doReset();
    246 
    247     sp<IMediaRecorder>          mMediaRecorder;
    248     sp<MediaRecorderListener>   mListener;
    249 
    250     // Reference to IGraphicBufferProducer
    251     // for encoding GL Frames. That is useful only when the
    252     // video source is set to VIDEO_SOURCE_GRALLOC_BUFFER
    253     sp<IGraphicBufferProducer>  mSurfaceMediaSource;
    254 
    255     media_recorder_states       mCurrentState;
    256     bool                        mIsAudioSourceSet;
    257     bool                        mIsVideoSourceSet;
    258     bool                        mIsAudioEncoderSet;
    259     bool                        mIsVideoEncoderSet;
    260     bool                        mIsOutputFileSet;
    261     Mutex                       mLock;
    262     Mutex                       mNotifyLock;
    263 };
    264 
    265 };  // namespace android
    266 
    267 #endif // ANDROID_MEDIARECORDER_H
    268