enable runOnDemandRestart by default (#3605)

README.md

@@ -1428,7 +1428,6 @@ Edit `mediamtx.yml` and replace everything inside section `paths` with the follo
 paths:
   ondemand:
     runOnDemand: ffmpeg -re -stream_loop -1 -i file.ts -c copy -f rtsp rtsp://localhost:$RTSP_PORT/$MTX_PATH
-    runOnDemandRestart: yes
 ```
 
 The command inserted into `runOnDemand` will start only when a client requests the path `ondemand`, therefore the file will start streaming only when requested.
@@ -1588,8 +1587,6 @@ pathDefaults:
   # * G1, G2, ...: regular expression groups, if path name is
   #   a regular expression.
   runOnDemand: ffmpeg -i my_file.mp4 -c copy -f rtsp rtsp://localhost:8554/mypath
-  # Restart the command if it exits.
-  runOnDemandRestart: no
 ```
 
 `runOnUnDemand` allows to run a command when there are no readers anymore:

internal/conf/conf_test.go

@@ -77,6 +77,7 @@ func TestConfFromFile(t *testing.T) {
 			RPICameraAfRange:           "normal",
 			RPICameraAfSpeed:           "normal",
 			RPICameraTextOverlay:       "%Y-%m-%d %H:%M:%S - MediaMTX",
+			RunOnDemandRestart:         true,
 			RunOnDemandStartTimeout:    5 * StringDuration(time.Second),
 			RunOnDemandCloseAfter:      10 * StringDuration(time.Second),
 		}, pa)

internal/conf/path.go

@@ -220,6 +220,7 @@ func (pconf *Path) setDefaults() {
 	pconf.RPICameraTextOverlay = "%Y-%m-%d %H:%M:%S - MediaMTX"
 
 	// Hooks
+	pconf.RunOnDemandRestart = true
 	pconf.RunOnDemandStartTimeout = 10 * StringDuration(time.Second)
 	pconf.RunOnDemandCloseAfter = 10 * StringDuration(time.Second)
 }

mediamtx.yml

@@ -615,7 +615,7 @@ pathDefaults:
   #   a regular expression.
   runOnDemand:
   # Restart the command if it exits.
-  runOnDemandRestart: no
+  runOnDemandRestart: yes
   # Readers will be put on hold until the runOnDemand command starts publishing
   # or until this amount of time has passed.
   runOnDemandStartTimeout: 10s