void removeItemAt(int idx)
{
if((idx < 0) || (idx >= dequeueSize())) return;
item* pItem = getItemAt(idx);
item* pBefore = NULL;
if(pItem != first) pBefore = getPrevItem(pItem);
item* pAfter = NULL;
if(pItem != last) pAfter = getNextItem(pItem);
if((pBefore != NULL) || (pAfter != NULL)){
pBefore->next = pAfter;
pAfter->prev = pBefore;
}else if(pBefore == NULL){
first = getNextItem(first);
first->prev = NULL;
}else if(pAfter == NULL){
last = getPrevItem(last);
last->next = NULL;
}
free(pItem);
pItem = NULL;
};
item* getItemAt(int idx)
{
int size = dequeueSize();
if((idx >= size) || (idx < 0)) return NULL;
item* pItem = NULL;
if(idx+1 <= size/2){
pItem = first;
int cnt = 0;
for(cnt = 0; (cnt != idx) && (cnt < size); ++cnt)
pItem = getNextItem(pItem);
}else{
pItem = last;
int cnt = size-1;
for(cnt = size-1; (cnt != idx) && (cnt >= 0); --cnt){
pItem = getPrevItem(pItem);
}
}
return pItem;
};
fsl_player_ret_val playlist_previous(fsl_player_handle handle, options* opt)
{
fsl_player* pplayer = NULL;
pplayer = (fsl_player*)handle;
fsl_player_drm_format drm_format;
PlayItem * current = opt->current;
PlayItem * next = getPrevItem(current);
if(next)
{
opt->current = next;
printf("%s\n", opt->current->name);
pplayer->klass->stop(pplayer);
pplayer->klass->set_media_location(pplayer, opt->current->name, &drm_format);
pplayer->klass->play(pplayer);
}
switch( opt->repeat )
{
case FSL_PLAYER_REPEAT_NONE:
{
if( next )
{
opt->current = next;
printf("%s\n", opt->current->name);
pplayer->klass->stop(pplayer);
pplayer->klass->set_media_location(pplayer, opt->current->name, &drm_format);
pplayer->klass->play(pplayer);
}
else
{
//gcore_register_callback(gcore, NULL, NULL,0);
// if not repeated mode or no next item, exit.
//printf("%s(): No more multimedia files, exit.\n", __FUNCTION__);
//player_exit(pplayer);
}
break;
}
case FSL_PLAYER_REPEAT_PLAYLIST:
{
if( next )
{
opt->current = next;
printf("%s\n", opt->current->name);
pplayer->klass->stop(pplayer);
pplayer->klass->set_media_location(pplayer, opt->current->name, &drm_format);
pplayer->klass->play(pplayer);
}
else
{
next = getLastItem(opt->pl);
opt->current = next;
pplayer->klass->stop(pplayer);
pplayer->klass->set_media_location(pplayer, opt->current->name, &drm_format);
pplayer->klass->play(pplayer);
}
break;
}
case FSL_PLAYER_REPEAT_CURRENT:
{
pplayer->klass->stop(pplayer);
//pplayer->klass->set_media_location(pplayer, opt->current->name, &drm_format);
pplayer->klass->play(pplayer);
break;
}
default:
{
break;
}
}
return FSL_PLAYER_SUCCESS;
}
