本文整理汇总了C++中BMediaRoster::GetConnectedOutputsFor方法的典型用法代码示例。如果您正苦于以下问题：C++ BMediaRoster::GetConnectedOutputsFor方法的具体用法？C++ BMediaRoster::GetConnectedOutputsFor怎么用？C++ BMediaRoster::GetConnectedOutputsFor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::GetConnectedOutputsFor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: getConnectedOutputs
status_t NodeRef::getConnectedOutputs(
vector<media_output>& ioOutputs,
media_type filterType) const {
BMediaRoster* r = BMediaRoster::Roster();
status_t err;
int32 count;
int32 bufferInc = 16;
int32 outputBufferSize = 16;
media_output* outputBuffer = new media_output[outputBufferSize];
while(true) {
err = r->GetConnectedOutputsFor(
m_info.node, outputBuffer, outputBufferSize, &count);
if(err < B_OK)
return err;
if(count == outputBufferSize) {
// buffer too small; increase & try again
outputBufferSize += bufferInc;
delete [] outputBuffer;
outputBuffer = new media_output[outputBufferSize];
continue;
}
if(count)
// copy found outputs matching the given type into vector
remove_copy_if(outputBuffer, outputBuffer + count,
back_inserter(ioOutputs),
not1(match_endpoint_type<media_output>(filterType)));
break;
}
// fix missing node info
_fixOutputs(ioOutputs);
delete [] outputBuffer;
return B_OK;
}示例2:
void
MediaAddonServer::_DestroyInstantiatedFlavors(AddOnInfo& info)
{
printf("MediaAddonServer::_DestroyInstantiatedFlavors addon %ld\n", info.id);
NodeVector::iterator iterator = info.active_flavors.begin();
for (; iterator != info.active_flavors.end(); iterator++) {
media_node& node = *iterator;
printf("node %ld\n", node.node);
if ((node.kind & B_TIME_SOURCE) != 0
&& (fMediaRoster->StopTimeSource(node, 0, true) != B_OK)) {
printf("MediaAddonServer::_DestroyInstantiatedFlavors couldn't stop "
"timesource\n");
continue;
}
if (fMediaRoster->StopNode(node, 0, true) != B_OK) {
printf("MediaAddonServer::_DestroyInstantiatedFlavors couldn't stop "
"node\n");
continue;
}
if ((node.kind & B_BUFFER_CONSUMER) != 0) {
media_input inputs[16];
int32 count = 0;
if (fMediaRoster->GetConnectedInputsFor(node, inputs, 16, &count)
!= B_OK) {
printf("MediaAddonServer::_DestroyInstantiatedFlavors couldn't "
"get connected inputs\n");
continue;
}
for (int32 i = 0; i < count; i++) {
media_node_id sourceNode;
if ((sourceNode = fMediaRoster->NodeIDFor(
inputs[i].source.port)) < 0) {
printf("MediaAddonServer::_DestroyInstantiatedFlavors "
"couldn't get source node id\n");
continue;
}
if (fMediaRoster->Disconnect(sourceNode, inputs[i].source,
node.node, inputs[i].destination) != B_OK) {
printf("MediaAddonServer::_DestroyInstantiatedFlavors "
"couldn't disconnect input\n");
continue;
}
}
}
if ((node.kind & B_BUFFER_PRODUCER) != 0) {
media_output outputs[16];
int32 count = 0;
if (fMediaRoster->GetConnectedOutputsFor(node, outputs, 16,
&count) != B_OK) {
printf("MediaAddonServer::_DestroyInstantiatedFlavors couldn't "
"get connected outputs\n");
continue;
}
for (int32 i = 0; i < count; i++) {
media_node_id destNode;
if ((destNode = fMediaRoster->NodeIDFor(
outputs[i].destination.port)) < 0) {
printf("MediaAddonServer::_DestroyInstantiatedFlavors "
"couldn't get destination node id\n");
continue;
}
if (fMediaRoster->Disconnect(node.node, outputs[i].source,
destNode, outputs[i].destination) != B_OK) {
printf("MediaAddonServer::_DestroyInstantiatedFlavors "
"couldn't disconnect output\n");
continue;
}
}
}
MediaRosterEx(fMediaRoster)->ReleaseNodeAll(node);
}
info.active_flavors.clear();
}示例3:
void
MediaIcon::_getMediaTypesFor(const live_node_info &nodeInfo, bool *audioIn,
bool *audioOut, bool *videoIn, bool *videoOut)
{
D_INTERNAL(("MediaIcon::_getMediaTypeFor(live_node_info)\n"));
// get the media_types supported by this node
const int32 numberOfInputs = 4;
int32 numberOfFreeInputs, numberOfConnectedInputs;
media_input inputs[numberOfInputs];
const int32 numberOfOutputs = 4;
int32 numberOfFreeOutputs, numberOfConnectedOutputs;
media_output outputs[numberOfOutputs];
BMediaRoster *roster = BMediaRoster::CurrentRoster();
if (roster->GetFreeInputsFor(nodeInfo.node, inputs, numberOfInputs, &numberOfFreeInputs) == B_OK) {
for (int32 i = 0; i < numberOfFreeInputs; i++) {
if ((inputs[i].format.type == B_MEDIA_RAW_AUDIO)
|| (inputs[i].format.type == B_MEDIA_ENCODED_AUDIO)) {
*audioIn = true;
continue;
}
if ((inputs[i].format.type == B_MEDIA_RAW_VIDEO)
|| (inputs[i].format.type == B_MEDIA_ENCODED_VIDEO)) {
*videoIn = true;
}
}
}
if (roster->GetConnectedInputsFor(nodeInfo.node, inputs, numberOfInputs, &numberOfConnectedInputs) == B_OK) {
for (int32 i = 0; i < numberOfConnectedInputs; i++) {
if ((inputs[i].format.type == B_MEDIA_RAW_AUDIO)
|| (inputs[i].format.type == B_MEDIA_ENCODED_AUDIO)) {
*audioIn = true;
continue;
}
if ((inputs[i].format.type == B_MEDIA_RAW_VIDEO)
|| (inputs[i].format.type == B_MEDIA_ENCODED_VIDEO)) {
*videoIn = true;
}
}
}
if (roster->GetFreeOutputsFor(nodeInfo.node, outputs, numberOfOutputs, &numberOfFreeOutputs) == B_OK) {
for (int32 i = 0; i < numberOfFreeOutputs; i++) {
if ((outputs[i].format.type == B_MEDIA_RAW_AUDIO)
|| (outputs[i].format.type == B_MEDIA_ENCODED_AUDIO)) {
*audioOut = true;
continue;
}
if ((outputs[i].format.type == B_MEDIA_RAW_VIDEO)
|| (outputs[i].format.type == B_MEDIA_ENCODED_VIDEO)) {
*videoOut = true;
}
}
}
if (roster->GetConnectedOutputsFor(nodeInfo.node, outputs, numberOfOutputs, &numberOfConnectedOutputs) == B_OK) {
for (int32 i = 0; i < numberOfConnectedOutputs; i++) {
if ((outputs[i].format.type == B_MEDIA_RAW_AUDIO)
|| (outputs[i].format.type == B_MEDIA_ENCODED_AUDIO)) {
*audioOut = true;
continue;
}
if ((outputs[i].format.type == B_MEDIA_RAW_VIDEO)
|| (outputs[i].format.type == B_MEDIA_ENCODED_VIDEO)) {
*videoOut = true;
}
}
}
}