-
Cree una instancia de
MediaPlayer
.
player = new MediaPlayer();
-
Registre el evento
MediaPlayerCapabilityChangeEvent.HAS_DRM_CHANGE
en el reproductor. Este evento se distribuirá si el contenido DRM está protegido.
player.addEventListener(MediaPlayerCapabilityChangeEvent.HAS_DRM_CHANGE, onDRMCapabilityChange);
-
En el controlador de eventos, obtenga la instancia de
DRMTrait
.
DRMTrait
es la interfaz a través de la que se invocan métodos relacionados con DRM, por ejemplo,
authenticate()
. Cuando se carga contenido protegido con DRM, OSMF lleva a cabo acciones de validación de DRM y distribuye eventos de estado. Añada un controlador de eventos
DRMEvent.DRM_STATE_CHANGE
a
DRMTrait
.
private function onDRMCapabilityChange
(event :MediaPlayerCapabilityChangeEvent) :void
{
if (event.type == MediaPlayerCapabilityChangeEvent.HAS_DRM_CHANGE
&& event.enabled)
{
drmTrait = player.media.getTrait(MediaTraitType.DRM) as DRMTrait;
drmTrait.addEventListener
(DRMEvent.DRM_STATE_CHANGE, onDRMStateChange);
}
}
-
Gestione los eventos DRM en el método
onDRMStateChange()
.
private function onDRMStateChange(event :DRMEvent) :void
{
trace ( "DRMState: ",event.drmState);
switch(event.drmState)
{
case DRMState.AUTHENTICATION_NEEDED:
// Identity-based content
var authPopup :AuthWindow = AuthWindow.create(_parentWin);
authPopup.serverURL = event.serverURL;
authPopup.addEventListener("dismiss", function () :void {
trace ("Authentication dismissed");
if(_drmTrait != null)
{
//Ignore authentication. Just
//try to acquire a license.
_drmTrait.authenticate(null, null);
}
});
authPopup.addEventListener("authenticate",
function (event :AuthWindowEvent) :void {
if(_drmTrait != null)
{
_drmTrait.authenticate(event.username, event.password);
}
});
authPopup.show();
break;
case DRMState.AUTHENTICATING:
//Display any authentication message.
trace("Authenticating...");
break;
case DRMState.AUTHENTICATION_COMPLETE:
// Start to retrieve voucher and playback.
// You can display the voucher information at this point.
if(event.token)
// You just received the authentication token.
{
trace("Authentication success. Token: \n", event.token);
}
else
// You have got the voucher.
{
trace("DRM License:");
trace("Playback window period: ",
!isNaN(event.period) ? event.period == 0 ?
"<unlimited>" : event.period : "<none>");
trace("Playback window end date: ",
event.endDate != null ? event.endDate : "<none>");
trace("Playback window start date: ",
event.startDate != null ? event.startDate : "<none>");
}
break;
case DRMState.AUTHENTICATION_ERROR:
trace ("DRM Error:", event.mediaError.errorID +
"[" + DRMErrorEventRef.getDRMErrorMnemonic
(event.mediaError.errorID) + "]");
//Stop everything.
player.media = null;
break;
case DRMState.DRM_SYSTEM_UPDATING:
Logger.log("Downloading DRM module...");
break;
case DRMState.UNINITIALIZED:
break;
}
}
|
|
|