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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 
     34 typedef void (*media_completion_f)(status_t status, void *cookie);
     35 
     36 /* Do not change these values without updating their counterparts
     37  * in media/java/android/media/MediaRecorder.java!
     38  */
     39 enum audio_source {
     40     AUDIO_SOURCE_DEFAULT = 0,
     41     AUDIO_SOURCE_MIC = 1,
     42     AUDIO_SOURCE_VOICE_UPLINK = 2,
     43     AUDIO_SOURCE_VOICE_DOWNLINK = 3,
     44     AUDIO_SOURCE_VOICE_CALL = 4,
     45     AUDIO_SOURCE_CAMCORDER = 5,
     46     AUDIO_SOURCE_VOICE_RECOGNITION = 6,
     47     AUDIO_SOURCE_VOICE_COMMUNICATION = 7,
     48     AUDIO_SOURCE_MAX = AUDIO_SOURCE_VOICE_COMMUNICATION,
     49 
     50     AUDIO_SOURCE_LIST_END  // must be last - used to validate audio source type
     51 };
     52 
     53 enum video_source {
     54     VIDEO_SOURCE_DEFAULT = 0,
     55     VIDEO_SOURCE_CAMERA = 1,
     56 
     57     VIDEO_SOURCE_LIST_END  // must be last - used to validate audio source type
     58 };
     59 
     60 //Please update media/java/android/media/MediaRecorder.java if the following is updated.
     61 enum output_format {
     62     OUTPUT_FORMAT_DEFAULT = 0,
     63     OUTPUT_FORMAT_THREE_GPP = 1,
     64     OUTPUT_FORMAT_MPEG_4 = 2,
     65 
     66 
     67     OUTPUT_FORMAT_AUDIO_ONLY_START = 3, // Used in validating the output format.  Should be the
     68                                         //  at the start of the audio only output formats.
     69 
     70     /* These are audio only file formats */
     71     OUTPUT_FORMAT_RAW_AMR = 3, //to be backward compatible
     72     OUTPUT_FORMAT_AMR_NB = 3,
     73     OUTPUT_FORMAT_AMR_WB = 4,
     74     OUTPUT_FORMAT_AAC_ADIF = 5,
     75     OUTPUT_FORMAT_AAC_ADTS = 6,
     76 
     77     /* Stream over a socket, limited to a single stream */
     78     OUTPUT_FORMAT_RTP_AVP = 7,
     79 
     80     /* H.264/AAC data encapsulated in MPEG2/TS */
     81     OUTPUT_FORMAT_MPEG2TS = 8,
     82 
     83     OUTPUT_FORMAT_LIST_END // must be last - used to validate format type
     84 };
     85 
     86 enum audio_encoder {
     87     AUDIO_ENCODER_DEFAULT = 0,
     88     AUDIO_ENCODER_AMR_NB = 1,
     89     AUDIO_ENCODER_AMR_WB = 2,
     90     AUDIO_ENCODER_AAC = 3,
     91     AUDIO_ENCODER_AAC_PLUS = 4,
     92     AUDIO_ENCODER_EAAC_PLUS = 5,
     93 
     94     AUDIO_ENCODER_LIST_END // must be the last - used to validate the audio encoder type
     95 };
     96 
     97 enum video_encoder {
     98     VIDEO_ENCODER_DEFAULT = 0,
     99     VIDEO_ENCODER_H263 = 1,
    100     VIDEO_ENCODER_H264 = 2,
    101     VIDEO_ENCODER_MPEG_4_SP = 3,
    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 uses a set of different state names.
    108  * The mapping between the media_recorder and the pvauthorengine is shown below:
    109  *
    110  *    mediarecorder                        pvauthorengine
    111  * ----------------------------------------------------------------
    112  *    MEDIA_RECORDER_ERROR                 ERROR
    113  *    MEDIA_RECORDER_IDLE                  IDLE
    114  *    MEDIA_RECORDER_INITIALIZED           OPENED
    115  *    MEDIA_RECORDER_DATASOURCE_CONFIGURED
    116  *    MEDIA_RECORDER_PREPARED              INITIALIZED
    117  *    MEDIA_RECORDER_RECORDING             RECORDING
    118  */
    119 enum media_recorder_states {
    120     MEDIA_RECORDER_ERROR                 =      0,
    121     MEDIA_RECORDER_IDLE                  = 1 << 0,
    122     MEDIA_RECORDER_INITIALIZED           = 1 << 1,
    123     MEDIA_RECORDER_DATASOURCE_CONFIGURED = 1 << 2,
    124     MEDIA_RECORDER_PREPARED              = 1 << 3,
    125     MEDIA_RECORDER_RECORDING             = 1 << 4,
    126 };
    127 
    128 // The "msg" code passed to the listener in notify.
    129 enum media_recorder_event_type {
    130     MEDIA_RECORDER_EVENT_ERROR                    = 1,
    131     MEDIA_RECORDER_EVENT_INFO                     = 2
    132 };
    133 
    134 enum media_recorder_error_type {
    135     MEDIA_RECORDER_ERROR_UNKNOWN                  = 1
    136 };
    137 
    138 // The codes are distributed as follow:
    139 //   0xx: Reserved
    140 //   8xx: General info/warning
    141 //
    142 enum media_recorder_info_type {
    143     MEDIA_RECORDER_INFO_UNKNOWN                   = 1,
    144     MEDIA_RECORDER_INFO_MAX_DURATION_REACHED      = 800,
    145     MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED      = 801,
    146     MEDIA_RECORDER_INFO_COMPLETION_STATUS         = 802,
    147     MEDIA_RECORDER_INFO_PROGRESS_FRAME_STATUS     = 803,
    148     MEDIA_RECORDER_INFO_PROGRESS_TIME_STATUS      = 804,
    149 };
    150 
    151 // ----------------------------------------------------------------------------
    152 // ref-counted object for callbacks
    153 class MediaRecorderListener: virtual public RefBase
    154 {
    155 public:
    156     virtual void notify(int msg, int ext1, int ext2) = 0;
    157 };
    158 
    159 class MediaRecorder : public BnMediaRecorderClient,
    160                       public virtual IMediaDeathNotifier
    161 {
    162 public:
    163     MediaRecorder();
    164     ~MediaRecorder();
    165 
    166     void        died();
    167     status_t    initCheck();
    168     status_t    setCamera(const sp<ICamera>& camera);
    169     status_t    setPreviewSurface(const sp<Surface>& surface);
    170     status_t    setVideoSource(int vs);
    171     status_t    setAudioSource(int as);
    172     status_t    setOutputFormat(int of);
    173     status_t    setVideoEncoder(int ve);
    174     status_t    setAudioEncoder(int ae);
    175     status_t    setOutputFile(const char* path);
    176     status_t    setOutputFile(int fd, int64_t offset, int64_t length);
    177     status_t    setVideoSize(int width, int height);
    178     status_t    setVideoFrameRate(int frames_per_second);
    179     status_t    setParameters(const String8& params);
    180     status_t    setListener(const sp<MediaRecorderListener>& listener);
    181     status_t    prepare();
    182     status_t    getMaxAmplitude(int* max);
    183     status_t    start();
    184     status_t    stop();
    185     status_t    reset();
    186     status_t    init();
    187     status_t    close();
    188     status_t    release();
    189     void        notify(int msg, int ext1, int ext2);
    190 
    191 private:
    192     void                    doCleanUp();
    193     status_t                doReset();
    194 
    195     sp<IMediaRecorder>          mMediaRecorder;
    196     sp<MediaRecorderListener>   mListener;
    197     media_recorder_states       mCurrentState;
    198     bool                        mIsAudioSourceSet;
    199     bool                        mIsVideoSourceSet;
    200     bool                        mIsAudioEncoderSet;
    201     bool                        mIsVideoEncoderSet;
    202     bool                        mIsOutputFileSet;
    203     Mutex                       mLock;
    204     Mutex                       mNotifyLock;
    205 };
    206 
    207 };  // namespace android
    208 
    209 #endif // ANDROID_MEDIARECORDER_H
    210