Contents |
This page provides the User Manual and some sample code for the Universal Multi Media Service (UMMS).
UMMS general description can found on its main page
com.UMMS
ObjectManager: Object to create and remove MediaPlayer object.
Path: /com/UMMS/ObjectManager Interface: com.UMMS.ObjectManager.iface
MediaPlayer: Player object to control the playback of media assets.
Path: Returned by ObjectManager Interface: com.UMMS.MediaPlayer
AudioManager: Object to manage the system audio output.
Path: /com/UMMS/AudioManager Interface: com.UMMS.AudioManger
Interface com.UMMS.ObjectManager.iface
Methods:
RequestMediaPlayer(s(out): object_path)
Request a MediaPlayer object operate in attended-execution mode. The ObjectManager will creat a new MediaPlayer object,
register it on the bus and return the object path to client.
Parameters:
object_path(out): The object path belong to the newly created MediaPlayer object.
RequestMediaPlayerUnattended(d: time_to_execution, s(out): token, s(out): object_path)
Request a MediaPlayer object operate in unattended-execution mode. The ObjectManager will creat a new MediaPlayer object,
register it on the bus and return the object path to client.
Parameters:
time_to_execution: Times in seconds for which this MediaPlayer object keep alive.
token(out): The unique token belongs to this execution. Application can use it to identify the execution log file which
named by the token.
object_path(out): The object path belongs to the newly created MediaPlayer object.
RemoveMediaPlayer(s: object_path)
Remove the MediaPlayer object which was exposed on the object_path.
Parameters:
object_path: The path on which this object was exposed.
Interface com.UMMS.MediaPlayer
Methods:
SetUri(s: uri)
SetTarget(i: type, a{sv}: param)
Play()
Pause()
Stop()
SetPosition(x: pos)
GetPosition(x(out): pos)
SetPlaybackRate(d: rate）
GetPlaybackRate(d(out): rate）
SetVolume(i: volume)
GetVolume(i(out): volume)
SetVideoSize(u: x, u: y, u: w, u: h)
GetVideoSize(u(out): w, u(out): h)
GetBufferedTime(x(out): length_time)
GetBufferedBytes(x(out): length_byte)
GetMediaSizeTime(x(out): duration)
GetMediaSizeBytes(x(out): size)
HasVideo(b(out): has_video)
HasAudio(b(out): has_audio)
IsStreaming(b(out): is_stream)
IsSeekable(b(out): is_seekable)
SupportFullScreen(b(out): support_fullscreen)
GetPlayerState(i(out): current_state)
Reply()
SetProxy(a{sv}: param)
Suspend()
Restore()
GetCurrentVideo(i(out): current_video)
GetCurrentAudio(i(out): current_audio)
SetCurrentVideo(i: current_video)
SetCurrentAudio(i: current_audio)
GetVideoNum(i(out): video_num)
GetAudioNum(i(out): audio_num)
SetSubtitleUri(s: sub_uri)
SetCurrentSubtitle(i: current_sub)
GetCurrentSubtitle(i(out): current_sub)
SetBufferDepth(i: format, x: buf_depth)
GetBufferDepth(i: format, x(out): buf_depth)
SetMute(i: is_mute)
IsMute(i(out): is_mute)
SetScaleMode(i: mode)
GetScaleMode(i(out): mode)
GetVideoCodec(i: channel, s(out): video_codec)
GetAudioCodec(i: channel, s(out): audio_codec)
GetVideoBitrate(i: channel, i(out): video_bitrate)
GetAudioBitrate(i: channel, i(out): audio_bitrate)
GetEncapsulation(s(out): encapsulation)
GetAudioSampleRate(i: channel, i(out): sample_rate)
GetVideoFrameRate(i: channel, i(out): frame_rate_num, i(out): frame_rate_denum)
GetVideoResolution(i: channel, i(out): width, i(out): height)
GetVideoAspectRatio(i: channel, i(out): ratio_num, i(out): ratio_denum)
GetProtocolName(s(out): protocol_name)
Record(b: to_record, s: location)
GetPat(aa{sv}(out): pat)
GetPmt(u(out): program_number, u(out): pcr_pid, aa{sv}(out): stream_info)
GetCurrentUri(s(out): current_uri)
GetAssociatedDataChannel(s(out): ip, i(out): port)
Signals:
Initialized
Eof
Error(u: id, s: message)
Buffering
Buffered
RequestWindow
Seeked
Stopped
PlayerStateChanged(i: old_state, i: new_state)
NeedReply
TargetReady(a{sv}: info)
Suspended
Restored
NoResource
VideoTagChanged(i: video_number)
AudioTagChanged(i: audio_number)
TextTagChanged(i: text_number)
Interface: com.UMMS.AudioManger
Methods: SetVolume(i: output_type, i: volume) GetVolume(i: output_type, i(out): volume) SetState(i: output_type, i: state) GetState(i: output_type, i(out): state)