spl::shared_ptr<core::frame_producer> create_route_producer(const core::frame_producer_dependencies& dependencies,
const std::vector<std::wstring>& params)
{
static boost::wregex expr(L"route://(?<CHANNEL>\\d+)(-(?<LAYER>\\d+))?", boost::regex::icase);
boost::wsmatch what;
if (params.empty() || !boost::regex_match(params.at(0), what, expr)) {
return core::frame_producer::empty();
}
auto channel = std::stoi(what["CHANNEL"].str());
auto layer = what["LAYER"].matched ? std::stoi(what["LAYER"].str()) : -1;
auto mode = core::route_mode::foreground;
if (layer >= 0) {
if (contains_param(L"BACKGROUND", params))
mode = core::route_mode::background;
else if (contains_param(L"NEXT", params))
mode = core::route_mode::next;
}
auto channel_it = boost::find_if(dependencies.channels,
[=](spl::shared_ptr<core::video_channel> ch) { return ch->index() == channel; });
if (channel_it == dependencies.channels.end()) {
CASPAR_THROW_EXCEPTION(user_error() << msg_info(L"No channel with id " + std::to_wstring(channel)));
}
auto buffer = get_param(L"BUFFER", params, 0);
return spl::make_shared<route_producer>((*channel_it)->route(layer, mode), buffer);
}
modifiers_s parse_modifiers(
int argc,
char **argv,
int index,
char *pattern
) {
modifiers_s result = {0};
int i;
char *param;
for (i = 1; i < index; i++) {
param = argv[i];
if (param[0] != '-') {
printf("invalid modifier %s\n", argv[i]);
exit(1);
}
if (!contains_param(PERMIT, param[1])) {
printf("error: unrecognized modifier %s\n", argv[i]);
exit(1);
}
if (!contains_param(pattern, param[1])) {
printf("warning: invalid modifier %s will be ignored\n\n", argv[i]);
continue;
}
switch (param[1]) {
case 'b' :
result.block = true;
break;
case 'h' :
result.help = true;
break;
case 'v' :
result.verbose = true;
break;
case 'x' :
result.hex = true;
break;
default :
printf("unrecognized modifier or parameter\n");
exit(1);
}
}
return result;
}
