no regex match validation for scale filter

ffplayout-engine/src/rpc/mod.rs

@@ -115,7 +115,11 @@ fn get_media_map(media: Media) -> Value {
 }
 
 /// prepare json object for response
-fn get_data_map(config: &PlayoutConfig, media: Media, server_is_running: bool) -> Map<String, Value> {
+fn get_data_map(
+    config: &PlayoutConfig,
+    media: Media,
+    server_is_running: bool,
+) -> Map<String, Value> {
     let mut data_map = Map::new();
     let begin = media.begin.unwrap_or(0.0);
 
@@ -321,7 +325,11 @@ pub fn json_rpc_server(
             // get infos about current clip
             if map.contains_key("media") && &map["media"] == "current" {
                 if let Some(media) = play_control.current_media.lock().unwrap().clone() {
-                    let data_map = get_data_map(&config, media, proc.server_is_running.load(Ordering::SeqCst));
+                    let data_map = get_data_map(
+                        &config,
+                        media,
+                        proc.server_is_running.load(Ordering::SeqCst),
+                    );
 
                     return Ok(Value::Object(data_map));
                 };

lib/src/filter/mod.rs

@@ -290,20 +290,14 @@ fn overlay(node: &mut Media, chain: &mut Filters, config: &PlayoutConfig) {
         && &node.category != "advertisement"
     {
         let mut scale = String::new();
-        let re = Regex::new(r"[)(\d\w-]+:[)(\d\w-]+").unwrap();
-        let mut logo = config.processing.logo.clone();
 
-        if cfg!(windows) {
-            logo = logo.replace('\\', "/").replace(':', "\\\\:");
-        }
-
-        if re.is_match(&config.processing.logo_scale) {
+        if !config.processing.logo_scale.is_empty() {
             scale = format!(",scale={}", config.processing.logo_scale);
         }
 
         let mut logo_chain = format!(
             "null[v];movie={}:loop=0,setpts=N/(FRAME_RATE*TB),format=rgba,colorchannelmixer=aa={}{scale}[l];[v][l]{}:shortest=1",
-            logo, config.processing.logo_opacity, config.processing.logo_filter
+            config.processing.logo.replace('\\', "/").replace(':', "\\\\:"), config.processing.logo_opacity, config.processing.logo_filter
         );
 
         if node.last_ad.unwrap_or(false) {

lib/src/utils/config.rs

@@ -358,6 +358,12 @@ impl PlayoutConfig {
             config.processing.add_logo = false;
         }
 
+        config.processing.logo_scale = config
+            .processing
+            .logo_scale
+            .trim_end_matches('~')
+            .to_string();
+
         if config.processing.audio_tracks < 1 {
             config.processing.audio_tracks = 1
         }