本文整理汇总了C++中BMediaRoster::GetDormantNodes方法的典型用法代码示例。如果您正苦于以下问题：C++ BMediaRoster::GetDormantNodes方法的具体用法？C++ BMediaRoster::GetDormantNodes怎么用？C++ BMediaRoster::GetDormantNodes使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类BMediaRoster的用法示例。
在下文中一共展示了BMediaRoster::GetDormantNodes方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: _populateList
void DormantNodeView::_populateList() {
D_INTERNAL(("DormantNodeView::_populateList()\n"));
// init the resizable node-info buffer
BMediaRoster *roster = BMediaRoster::CurrentRoster();
const int32 bufferInc = 64;
int32 bufferSize = bufferInc;
dormant_node_info *infoBuffer = new dormant_node_info[bufferSize];
int32 numNodes;
// fill the buffer
while (true) {
numNodes = bufferSize;
status_t error = roster->GetDormantNodes(infoBuffer, &numNodes);
if (error) {
return;
}
if (numNodes < bufferSize) {
break;
}
// reallocate buffer & try again
delete [] infoBuffer;
bufferSize += bufferInc;
infoBuffer = new dormant_node_info[bufferSize];
}
// populate the list
for (int32 i = 0; i < numNodes; i++) {
DormantNodeListItem *item = new DormantNodeListItem(infoBuffer[i]);
AddItem(item);
}
SortItems(compareName);
}示例2: _updateList
void DormantNodeView::_updateList(
int32 addOnID) {
D_INTERNAL(("DormantNodeView::_updateList(%ld)\n", addOnID));
// init the resizable node-info buffer
BMediaRoster *roster = BMediaRoster::CurrentRoster();
const int32 bufferInc = 64;
int32 bufferSize = bufferInc;
dormant_node_info *infoBuffer = new dormant_node_info[bufferSize];
int32 numNodes;
// fill the buffer
while (true) {
numNodes = bufferSize;
status_t error = roster->GetDormantNodes(infoBuffer, &numNodes);
if (error) {
return;
}
if (numNodes < bufferSize) {
break;
}
// reallocate buffer & try again
delete [] infoBuffer;
bufferSize += bufferInc;
infoBuffer = new dormant_node_info[bufferSize];
}
// sort the list by add-on id to avoid multiple searches through
// the list
SortItems(compareAddOnID);
// Remove all nodes managed by this add-on
int32 start;
for (start = 0; start < CountItems(); start++) {
DormantNodeListItem *item = dynamic_cast<DormantNodeListItem *>(ItemAt(start));
if (item && (item->info().addon == addOnID)) {
break;
}
}
int32 count = 0;
for (int32 i = start; start < CountItems(); i++) {
DormantNodeListItem *item = dynamic_cast<DormantNodeListItem *>(ItemAt(i));
if (!item || (item->info().addon != addOnID)) {
break;
}
count++;
}
RemoveItems(start, count);
// add the items
for (int32 i = 0; i < numNodes; i++) {
if (infoBuffer[i].addon != addOnID) {
continue;
}
AddItem(new DormantNodeListItem(infoBuffer[i]));
}
SortItems(compareName);
}示例3: if
void
MediaWindow::_FindNodes(media_type type, uint64 kind, NodeList& into)
{
dormant_node_info nodeInfo[64];
int32 nodeInfoCount = 64;
media_format format;
media_format* nodeInputFormat = NULL;
media_format* nodeOutputFormat = NULL;
format.type = type;
// output nodes must be BBufferConsumers => they have an input format
// input nodes must be BBufferProducers => they have an output format
if ((kind & B_PHYSICAL_OUTPUT) != 0)
nodeInputFormat = &format;
else if ((kind & B_PHYSICAL_INPUT) != 0)
nodeOutputFormat = &format;
else
return;
BMediaRoster* roster = BMediaRoster::Roster();
if (roster->GetDormantNodes(nodeInfo, &nodeInfoCount, nodeInputFormat,
nodeOutputFormat, NULL, kind) != B_OK) {
// TODO: better error reporting!
fprintf(stderr, "error\n");
return;
}
for (int32 i = 0; i < nodeInfoCount; i++) {
PRINT(("node : %s, media_addon %i, flavor_id %i\n",
nodeInfo[i].name, (int)nodeInfo[i].addon,
(int)nodeInfo[i].flavor_id));
dormant_node_info* info = new dormant_node_info();
strncpy(info->name, nodeInfo[i].name, B_MEDIA_NAME_LENGTH);
info->flavor_id = nodeInfo[i].flavor_id;
info->addon = nodeInfo[i].addon;
into.AddItem(info);
}
}