rpi: increase default camera bitrate to 5 Mbps (bluenviron#3896)

Author: aler9

internal/conf/conf_test.go

@@ -75,7 +75,7 @@ func TestConfFromFile(t *testing.T) {
 			RPICameraTextOverlay:       "%Y-%m-%d %H:%M:%S - MediaMTX",
 			RPICameraCodec:             "auto",
 			RPICameraIDRPeriod:         60,
-			RPICameraBitrate:           1000000,
+			RPICameraBitrate:           5000000,
 			RPICameraProfile:           "main",
 			RPICameraLevel:             "4.1",
 			RunOnDemandStartTimeout:    5 * StringDuration(time.Second),

internal/conf/path.go

@@ -218,7 +218,7 @@ func (pconf *Path) setDefaults() {
 	pconf.RPICameraTextOverlay = "%Y-%m-%d %H:%M:%S - MediaMTX"
 	pconf.RPICameraCodec = "auto"
 	pconf.RPICameraIDRPeriod = 60
-	pconf.RPICameraBitrate = 1000000
+	pconf.RPICameraBitrate = 5000000
 	pconf.RPICameraProfile = "main"
 	pconf.RPICameraLevel = "4.1"
 

mediamtx.yml

@@ -588,7 +588,7 @@ pathDefaults:
   # Period between IDR frames
   rpiCameraIDRPeriod: 60
   # Bitrate
-  rpiCameraBitrate: 1000000
+  rpiCameraBitrate: 5000000
   # H264 profile
   rpiCameraProfile: main
   # H264 level