fPlaybackState
if (fPlaybackState == state)
fPlaybackState = state;
&& ((fPlaybackState == kPlaying && Value() == B_CONTROL_OFF)
|| (fPlaybackState == kPaused && Value() == B_CONTROL_ON));
&& ((fPlaybackState == kPaused && Value() == B_CONTROL_OFF)
|| (fPlaybackState == kPlaying && Value() == B_CONTROL_ON));
uint32 fPlaybackState;
fPlaybackState(PLAYBACK_STATE_STOPPED),
DISPLAY_NAME, index == fCurrentPlaylistIndex, fPlaybackState);
if (fPlaybackState == state)
fPlaybackState = state;
uint32 fPlaybackState;