Merge branch 'hwcodec' into master

libs/hbb_common/src/config.rs

@@ -35,6 +35,7 @@ lazy_static::lazy_static! {
     static ref CONFIG: Arc<RwLock<Config>> = Arc::new(RwLock::new(Config::load()));
     static ref CONFIG2: Arc<RwLock<Config2>> = Arc::new(RwLock::new(Config2::load()));
     static ref LOCAL_CONFIG: Arc<RwLock<LocalConfig>> = Arc::new(RwLock::new(LocalConfig::load()));
+    static ref HWCODEC_CONFIG: Arc<RwLock<HwCodecConfig>> = Arc::new(RwLock::new(HwCodecConfig::load()));
     pub static ref ONLINE: Arc<Mutex<HashMap<String, i64>>> = Default::default();
     pub static ref PROD_RENDEZVOUS_SERVER: Arc<RwLock<String>> = Default::default();
     pub static ref APP_NAME: Arc<RwLock<String>> = Arc::new(RwLock::new("RustDesk".to_owned()));
@@ -881,6 +882,43 @@ impl LanPeers {
     }
 }
 
+#[derive(Debug, Default, Serialize, Deserialize, Clone)]
+pub struct HwCodecConfig {
+    #[serde(default)]
+    options: HashMap<String, String>,
+}
+
+impl HwCodecConfig {
+    fn load() -> HwCodecConfig {
+        Config::load_::<HwCodecConfig>("_hwcodec")
+    }
+
+    fn store(&self) {
+        Config::store_(self, "_hwcodec");
+    }
+
+    pub fn get_option(k: &str) -> String {
+        if let Some(v) = HWCODEC_CONFIG.read().unwrap().options.get(k) {
+            v.clone()
+        } else {
+            "".to_owned()
+        }
+    }
+
+    pub fn set_option(k: String, v: String) {
+        let mut config = HWCODEC_CONFIG.write().unwrap();
+        let v2 = if v.is_empty() { None } else { Some(&v) };
+        if v2 != config.options.get(&k) {
+            if v2.is_none() {
+                config.options.remove(&k);
+            } else {
+                config.options.insert(k, v);
+            }
+            config.store();
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;