update docs (#2590)

README.md

@@ -502,6 +502,8 @@ docker run --rm -it \
 bluenviron/mediamtx:latest-rpi
 ```
 
+Be aware that the Docker image is not compatible with cameras that requires a custom `libcamera` (like some ArduCam products), since it comes with a standard `libcamera` included.
+
 Camera settings can be changed by using the `rpiCamera*` parameters:
 
 ```yml

internal/conf/conf.go

@@ -175,7 +175,7 @@ type Conf struct {
 
 	// Paths
 	OptionalPaths map[string]*OptionalPath `json:"paths"`
-	Paths         map[string]*Path         `json:"-"`
+	Paths         map[string]*Path         `json:"-"` // filled by Check()
 }
 
 func (conf *Conf) setDefaults() {

internal/conf/path.go

@@ -49,7 +49,7 @@ func srtCheckPassphrase(passphrase string) error {
 
 // Path is a path configuration.
 type Path struct {
-	Regexp *regexp.Regexp `json:"-"`
+	Regexp *regexp.Regexp `json:"-"` // filled by Check()
 
 	// General
 	Source                     string         `json:"source"`