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