+ auto iter = std::find_if(_filters.begin(), _filters.end(), [id](Filter const& filter) { return filter.id() == id; });
+ if (iter == _filters.end()) {
+ return {};
+ }
+ return *iter;
+}
+
+
+bool
+operator==(Filter const& a, Filter const& b)
+{
+ return a.id() == b.id() && a.name() == b.name() && a.category() == b.category() && a.ffmpeg() == b.ffmpeg();
+}
+
+
+bool
+operator!=(Filter const& a, Filter const& b)
+{
+ return a.id() != b.id() || a.name() != b.name() || a.category() != b.category() || a.ffmpeg() != b.ffmpeg();
+}
+
+
+bool
+operator<(Filter const& a, Filter const& b)
+{
+ if (a.id() != b.id()) {
+ return a.id() < b.id();
+ }
+
+ if (a.name() != b.name()) {
+ return a.name() < b.name();