// Find a sender and return the name, width and height, sharhandle and format
bool spoutSenderNames::FindSender(char *sendername, unsigned int &width, unsigned int &height, HANDLE &hSharehandle, DWORD &dwFormat)
{
SharedTextureInfo info;
// ---------------------------------------------------------
// For a receiver check the user entered Sender name, if one, to see if it exists
if(sendername[0] == 0) {
// Passed name was null, so find the active sender
if(!GetActiveSender(sendername)) {
return false;
}
}
// now we have either an existing sender name or the active sender name
// Try to get the sender information
if(getSharedInfo(sendername, &info)) {
width = (unsigned int)info.width; // pass back sender size
height = (unsigned int)info.height;
hSharehandle = (HANDLE)info.shareHandle;
dwFormat = (DWORD)info.format;
return true;
}
return false;
} // end FindSender
// Function for clients to get the shared info of the active Sender
bool spoutSenderNames::GetActiveSenderInfo(SharedTextureInfo* info)
{
char sendername[SpoutMaxSenderNameLen];
// See if the shared memory of the active Sender exists
if(GetActiveSender(sendername)) {
if(getSharedInfo(sendername, info)) {
return true;
}
}
// It should exist because it is set whenever a Sender registers
return false;
} // end GetActiveSenderInfo
//
// Retrieve the texture info of the active sender
// - redundancy
bool spoutSenderNames::FindActiveSender(char sendername[SpoutMaxSenderNameLen], unsigned int &theWidth, unsigned int &theHeight, HANDLE &hSharehandle, DWORD &dwFormat)
{
SharedTextureInfo TextureInfo;
char sname[SpoutMaxSenderNameLen];
if(GetActiveSender(sname)) { // there is an active sender
if(getSharedInfo(sname, &TextureInfo)) {
strcpy_s(sendername, SpoutMaxSenderNameLen, sname); // pass back sender name
theWidth = (unsigned int)TextureInfo.width;
theHeight = (unsigned int)TextureInfo.height;
hSharehandle = (HANDLE)TextureInfo.shareHandle;
dwFormat = (DWORD)TextureInfo.format;
return true;
}
}
return false;
} // end FindActiveSender
// Find a sender and return the name, width and height, sharhandle and format
bool spoutSenderNames::FindSender(char *sendername, unsigned int &width, unsigned int &height, HANDLE &hSharehandle, DWORD &dwFormat)
{
SharedTextureInfo info;
// ---------------------------------------------------------
// For a receiver check the user entered Sender name, if one, to see if it exists
if(sendername[0] == 0) {
// Passed name was null, so find the active sender
if(!GetActiveSender(sendername)) {
return false;
}
}
// now we have either an existing sender name or the active sender name
// 01.08.15 - Is the given sender registered ?
if(!FindSenderName(sendername))
return false;
// Sender is registered so try to get the sender information
if(getSharedInfo(sendername, &info)) {
width = (unsigned int)info.width; // pass back sender size
height = (unsigned int)info.height;
#ifdef _M_X64
hSharehandle = (HANDLE)(LongToHandle((long)info.shareHandle));
#else
hSharehandle = (HANDLE)info.shareHandle;
#endif
// hSharehandle = (HANDLE)info.shareHandle;
dwFormat = (DWORD)info.format;
return true;
}
// 01.08.15 - Registered sender is no longer there so release it
ReleaseSenderName(sendername);
return false;
} // end FindSender
