Media Player
media player traditionally, a tv is a device for watching media many smart tv applications provide videos, images, and music this chapter will provide examples of basic screen layouts for convenient media players that are suitable for use on the tv playing video the screen for playing videos may contain the following components playing video related information title, summary, creator, keyword, etc playing status display area progress bar, play time, play speed, etc control buttons figure 6-1 is an example of playing video a banner including more information about the media, the current playing status, and control buttons will overlap at the top the banner disappears when the controls are not used for a certain period it will reappear when there is any further input controlling video playback with the smart remote only one physical button, the play/pause button , can directly control the playback for this reason, any video player application must provide on-screen playback controls so that the users can control the playback as with a traditional remote control the on-screen playback controls must be accessible with the select and 4 navigation buttons or by using the pointing interactions with the smart remote table 6-1 illustrates the basic on-screen playback controls function button action play pause play | pause toggle between play and pause scan or skip rewind skip back 10 seconds fast-forward skip forward 10 seconds move normal | dimmed play the previous video dimmed when no video is available normal | dimmed play the next video dimmed when no video is available table 6-1 basic on-screen playback controls the play/pause button works differently depending on the current playback status when a video is playing, pressing the play/pause button pauses the video when a video is paused, pressing the play/pause button resumes the video when either action is performed, the on-screen playback controls appear and the play/pause button is focused on the left, right, and select button works differently depending on the availability of the on-screen playback controls when the playback controls appear on the screen, pressing the left or right button selects a different item and pressing the select button confirms the selection when there are no playback controls on the screen, pressing the left or right button skips back or forward 10 seconds when either button is pressed, the on-screen playback controls simultaneously appear and the progress bar is focused on when there are no playback controls on the screen, pressing the select or up or down button displays the on-screen playback controls at this time, the play/pause button is focused on the on-screen playback controls disappear 5 seconds after users stop interacting with them controlling video playback with standard remote control the standard remote control provides various physical buttons to control playback table 6-2 illustrates the basic playback controls on a standard remote control function button action play play pause pause scan or skip rewind skip back 10 seconds fast-forward skip forward 10 seconds move play the previous video no response when no video is available play the next video no response when no video is available table 6-2 basic playback controls on a standard remote control when any physical button is pressed, the on-screen playback controls appear and the control button that corresponds to the pressed button is focused on viewing pictures the screen for viewing pictures may contain the following components area for displaying pictures full screen related information title, date, keyword, etc buttons such as zoom-in/zoom-out, rotate, previous/next picture, slideshow, etc figure 6-6 is an example of viewing pictures playing music the screen for playing music may contain the following components playing music related information title, creator, keyword, etc playing status display area progress bar, play time, play speed, etc control buttons playlist figure 6-7 is an example of playing music