MPlayerEventsObserver Class Reference

#include <playerinformationtargetobserver.h>

Link against: remconplayerinformation.lib

class MPlayerEventsObserver

Detailed Description

This class supports the notification PDUs in AVRCP1.3 specification section 5.4, with the following exceptions: EVENT_SYSTEM_STATUS_CHANGED is not supported, it is only for adaptors that plug into a media player EVENT_PLAYER_APPLICATION_SETTING_CHANGED is supported through the CPlayerApplicationSettings API

Events are pushed by the media player calling functions in this API, where they are cached until the controller pulls them via a GetPlayStatus or RegisterNotification PDU

See also: CPlayerApplicationSettings

Member Attribute Documentation

KNoTrackSelected

const TUint64KNoTrackSelected[static]

KPlaybackPositionUnknown

const TUint32KPlaybackPositionUnknown[static]

Member Enumeration Documentation

Enum TPlayPosition

EnumeratorValueDescription
EStart0
EMiddle1
EEnd2

Enum TPlaybackStatus

EnumeratorValueDescription
EStopped0
EPlaying1
EPaused2
EFwdSeek3
ERevSeek4
EError0xFF

Enum TTargetBatteryStatus

EnumeratorValueDescription
ENormal0
EWarning1
ECritical2
EExternal3
EFullCharge4
EUnknown5

Member Function Documentation

PlaybackStatusChanged ( TPlaybackStatus )

IMPORT_C voidPlaybackStatusChanged(TPlaybackStatusaStatus)

Call this function whenever the playback status changes. It will be used to complete pending EVENT_PLAYBACK_STATUS_CHANGED and EVENT_PLAYBACK_POS_CHANGED notifications. The value is used to generate the response to a GetPlayStatus PDU.

Parameters
aStatusThe specification defined playback status

SetBatteryStatus ( TTargetBatteryStatus )

IMPORT_C voidSetBatteryStatus(TTargetBatteryStatusaBatteryStatus)

Call this function to report the current battery status

Parameters
aBatteryStatusThe current battery status.

SetPlaybackPosition ( TUint32 )

IMPORT_C voidSetPlaybackPosition(TUint32aMilliseconds)

Call this function during playback or seek operations, to indicate the current position within the track. It will be used to complete a pending EVENT_PLAYBACK_POS_CHANGED notification. The value is used to generate the response to a GetPlayStatus PDU.

Parameters
aMillisecondsThe current playback position. It is recommended to call with a resolution <=1000ms to satisfy the 1s resolution of the notification playback interval.

TrackChanged ( TUint64, TUint32 )

IMPORT_C voidTrackChanged(TUint64aTrackId,
TUint32aLengthInMilliseconds
)

Call this function whenever the current media track is changed. use KNoTrackSelected to indicate that there is no media selected. This is the default value on construction. It will be used to complete pending EVENT_TRACK_CHANGED and EVENT_PLAYBACK_POS_CHANGED notifications. The values are used to generate the response to a GetPlayStatus PDU.

Parameters
aTrackIdA handle to the current track.
aLengthInMillisecondsThe length of the current track.

TrackReachedEnd ( )

IMPORT_C voidTrackReachedEnd()

Call this function whenever the current track reaches the end position, e.g. due to playback or forward seek. It will be used to complete pending EVENT_TRACK_REACHED_END and EVENT_PLAYBACK_POS_CHANGED notifications.

TrackReachedStart ( )

IMPORT_C voidTrackReachedStart()

Call this function whenever the current track reaches the start position, e.g. due to reverse seek (rewind). It will be used to complete pending EVENT_TRACK_REACHED_START and EVENT_PLAYBACK_POS_CHANGED notifications.