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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 ICameraRecordingProxy;
     33 class IGraphicBufferProducer;
     34 struct PersistentSurface;
     35 class Surface;
     36 
     37 namespace hardware {
     38 class ICamera;
     39 }
     40 
     41 typedef void (*media_completion_f)(status_t status, void *cookie);
     42 
     43 enum video_source {
     44     VIDEO_SOURCE_DEFAULT = 0,
     45     VIDEO_SOURCE_CAMERA = 1,
     46     VIDEO_SOURCE_SURFACE = 2,
     47 
     48     VIDEO_SOURCE_LIST_END  // must be last - used to validate audio source type
     49 };
     50 
     51 //Please update media/java/android/media/MediaRecorder.java if the following is updated.
     52 enum output_format {
     53     OUTPUT_FORMAT_DEFAULT = 0,
     54     OUTPUT_FORMAT_THREE_GPP = 1,
     55     OUTPUT_FORMAT_MPEG_4 = 2,
     56 
     57 
     58     OUTPUT_FORMAT_AUDIO_ONLY_START = 3, // Used in validating the output format.  Should be the
     59                                         //  at the start of the audio only output formats.
     60 
     61     /* These are audio only file formats */
     62     OUTPUT_FORMAT_RAW_AMR = 3, //to be backward compatible
     63     OUTPUT_FORMAT_AMR_NB = 3,
     64     OUTPUT_FORMAT_AMR_WB = 4,
     65     OUTPUT_FORMAT_AAC_ADIF = 5,
     66     OUTPUT_FORMAT_AAC_ADTS = 6,
     67 
     68     OUTPUT_FORMAT_AUDIO_ONLY_END = 7, // Used in validating the output format.  Should be the
     69                                       //  at the end of the audio only output formats.
     70 
     71     /* Stream over a socket, limited to a single stream */
     72     OUTPUT_FORMAT_RTP_AVP = 7,
     73 
     74     /* H.264/AAC data encapsulated in MPEG2/TS */
     75     OUTPUT_FORMAT_MPEG2TS = 8,
     76 
     77     /* VP8/VORBIS data in a WEBM container */
     78     OUTPUT_FORMAT_WEBM = 9,
     79 
     80     OUTPUT_FORMAT_LIST_END // must be last - used to validate format type
     81 };
     82 
     83 enum audio_encoder {
     84     AUDIO_ENCODER_DEFAULT = 0,
     85     AUDIO_ENCODER_AMR_NB = 1,
     86     AUDIO_ENCODER_AMR_WB = 2,
     87     AUDIO_ENCODER_AAC = 3,
     88     AUDIO_ENCODER_HE_AAC = 4,
     89     AUDIO_ENCODER_AAC_ELD = 5,
     90     AUDIO_ENCODER_VORBIS = 6,
     91 
     92     AUDIO_ENCODER_LIST_END // must be the last - used to validate the audio encoder type
     93 };
     94 
     95 enum video_encoder {
     96     VIDEO_ENCODER_DEFAULT = 0,
     97     VIDEO_ENCODER_H263 = 1,
     98     VIDEO_ENCODER_H264 = 2,
     99     VIDEO_ENCODER_MPEG_4_SP = 3,
    100     VIDEO_ENCODER_VP8 = 4,
    101     VIDEO_ENCODER_HEVC = 5,
    102 
    103     VIDEO_ENCODER_LIST_END // must be the last - used to validate the video encoder type
    104 };
    105 
    106 /*
    107  * The state machine of the media_recorder.
    108  */
    109 enum media_recorder_states {
    110     // Error state.
    111     MEDIA_RECORDER_ERROR                 =      0,
    112 
    113     // Recorder was just created.
    114     MEDIA_RECORDER_IDLE                  = 1 << 0,
    115 
    116     // Recorder has been initialized.
    117     MEDIA_RECORDER_INITIALIZED           = 1 << 1,
    118 
    119     // Configuration of the recorder has been completed.
    120     MEDIA_RECORDER_DATASOURCE_CONFIGURED = 1 << 2,
    121 
    122     // Recorder is ready to start.
    123     MEDIA_RECORDER_PREPARED              = 1 << 3,
    124 
    125     // Recording is in progress.
    126     MEDIA_RECORDER_RECORDING             = 1 << 4,
    127 };
    128 
    129 // The "msg" code passed to the listener in notify.
    130 enum media_recorder_event_type {
    131     MEDIA_RECORDER_EVENT_LIST_START               = 1,
    132     MEDIA_RECORDER_EVENT_ERROR                    = 1,
    133     MEDIA_RECORDER_EVENT_INFO                     = 2,
    134     MEDIA_RECORDER_EVENT_LIST_END                 = 99,
    135 
    136     // Track related event types
    137     MEDIA_RECORDER_TRACK_EVENT_LIST_START         = 100,
    138     MEDIA_RECORDER_TRACK_EVENT_ERROR              = 100,
    139     MEDIA_RECORDER_TRACK_EVENT_INFO               = 101,
    140     MEDIA_RECORDER_TRACK_EVENT_LIST_END           = 1000,
    141 };
    142 
    143 /*
    144  * The (part of) "what" code passed to the listener in notify.
    145  * When the error or info type is track specific, the what has
    146  * the following layout:
    147  * the left-most 16-bit is meant for error or info type.
    148  * the right-most 4-bit is meant for track id.
    149  * the rest is reserved.
    150  *
    151  * | track id | reserved |     error or info type     |
    152  * 31         28         16                           0
    153  *
    154  */
    155 enum media_recorder_error_type {
    156     MEDIA_RECORDER_ERROR_UNKNOWN                   = 1,
    157 
    158     // Track related error type
    159     MEDIA_RECORDER_TRACK_ERROR_LIST_START          = 100,
    160     MEDIA_RECORDER_TRACK_ERROR_GENERAL             = 100,
    161     MEDIA_RECORDER_ERROR_VIDEO_NO_SYNC_FRAME       = 200,
    162     MEDIA_RECORDER_TRACK_ERROR_LIST_END            = 1000,
    163 };
    164 
    165 // The codes are distributed as follow:
    166 //   0xx: Reserved
    167 //   8xx: General info/warning
    168 //
    169 enum media_recorder_info_type {
    170     MEDIA_RECORDER_INFO_UNKNOWN                   = 1,
    171 
    172     MEDIA_RECORDER_INFO_MAX_DURATION_REACHED      = 800,
    173     MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED      = 801,
    174 
    175     // All track related informtional events start here
    176     MEDIA_RECORDER_TRACK_INFO_LIST_START           = 1000,
    177     MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS    = 1000,
    178     MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME     = 1001,
    179     MEDIA_RECORDER_TRACK_INFO_TYPE                 = 1002,
    180     MEDIA_RECORDER_TRACK_INFO_DURATION_MS          = 1003,
    181 
    182     // The time to measure the max chunk duration
    183     MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS     = 1004,
    184 
    185     MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES       = 1005,
    186 
    187     // The time to measure how well the audio and video
    188     // track data is interleaved.
    189     MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS       = 1006,
    190 
    191     // The time to measure system response. Note that
    192     // the delay does not include the intentional delay
    193     // we use to eliminate the recording sound.
    194     MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS     = 1007,
    195 
    196     // The time used to compensate for initial A/V sync.
    197     MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS      = 1008,
    198 
    199     // Total number of bytes of the media data.
    200     MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES          = 1009,
    201 
    202     MEDIA_RECORDER_TRACK_INFO_LIST_END             = 2000,
    203 };
    204 
    205 // ----------------------------------------------------------------------------
    206 // ref-counted object for callbacks
    207 class MediaRecorderListener: virtual public RefBase
    208 {
    209 public:
    210     virtual void notify(int msg, int ext1, int ext2) = 0;
    211 };
    212 
    213 class MediaRecorder : public BnMediaRecorderClient,
    214                       public virtual IMediaDeathNotifier
    215 {
    216 public:
    217     MediaRecorder(const String16& opPackageName);
    218     ~MediaRecorder();
    219 
    220     void        died();
    221     status_t    initCheck();
    222     status_t    setCamera(const sp<hardware::ICamera>& camera,
    223             const sp<ICameraRecordingProxy>& proxy);
    224     status_t    setPreviewSurface(const sp<IGraphicBufferProducer>& surface);
    225     status_t    setVideoSource(int vs);
    226     status_t    setAudioSource(int as);
    227     status_t    setOutputFormat(int of);
    228     status_t    setVideoEncoder(int ve);
    229     status_t    setAudioEncoder(int ae);
    230     status_t    setOutputFile(int fd, int64_t offset, int64_t length);
    231     status_t    setVideoSize(int width, int height);
    232     status_t    setVideoFrameRate(int frames_per_second);
    233     status_t    setParameters(const String8& params);
    234     status_t    setListener(const sp<MediaRecorderListener>& listener);
    235     status_t    setClientName(const String16& clientName);
    236     status_t    prepare();
    237     status_t    getMaxAmplitude(int* max);
    238     status_t    start();
    239     status_t    stop();
    240     status_t    reset();
    241     status_t    pause();
    242     status_t    resume();
    243     status_t    init();
    244     status_t    close();
    245     status_t    release();
    246     void        notify(int msg, int ext1, int ext2);
    247     status_t    setInputSurface(const sp<PersistentSurface>& surface);
    248     sp<IGraphicBufferProducer>     querySurfaceMediaSourceFromMediaServer();
    249 
    250 private:
    251     void                    doCleanUp();
    252     status_t                doReset();
    253 
    254     sp<IMediaRecorder>          mMediaRecorder;
    255     sp<MediaRecorderListener>   mListener;
    256 
    257     // Reference to IGraphicBufferProducer
    258     // for encoding GL Frames. That is useful only when the
    259     // video source is set to VIDEO_SOURCE_GRALLOC_BUFFER
    260     sp<IGraphicBufferProducer>  mSurfaceMediaSource;
    261 
    262     media_recorder_states       mCurrentState;
    263     bool                        mIsAudioSourceSet;
    264     bool                        mIsVideoSourceSet;
    265     bool                        mIsAudioEncoderSet;
    266     bool                        mIsVideoEncoderSet;
    267     bool                        mIsOutputFileSet;
    268     Mutex                       mLock;
    269     Mutex                       mNotifyLock;
    270 };
    271 
    272 };  // namespace android
    273 
    274 #endif // ANDROID_MEDIARECORDER_H
    275