smaller default video bitrate

pi/install_roverd.sh

@@ -203,7 +203,7 @@ PUBLISH_URL=srt://192.168.0.86:9000?streamid=#!::r=CHANGE_ME,m=publish&latency=2
 VIDEO_WIDTH=1280
 VIDEO_HEIGHT=720
 VIDEO_FPS=30
-VIDEO_BITRATE=3000000
+VIDEO_BITRATE=2000000
 AUDIO_ENABLE=1
 AUDIO_ENABLE=0
 ENV

pi/roverd/config.go

@@ -127,7 +127,7 @@ func LoadConfig(path string) (*Config, error) {
 			VideoWidth:     1280,
 			VideoHeight:    720,
 			VideoFPS:       30,
-			VideoBitrate:   3000000,
+			VideoBitrate:   2000000,
 		},
 		CameraServo: CameraServoConfig{
 			Pin:          12,

pi/roverd/roverd.sample.yaml

@@ -20,7 +20,7 @@ media:
   videoWidth: 1280
   videoHeight: 720
   videoFps: 30
-  videoBitrate: 3000000
+  videoBitrate: 2000000
   manage: true
   service: video-publisher.service
   healthUrl: ""