update latest recommendations for reolink

docs/docs/configuration/camera_specific.md

@@ -19,7 +19,7 @@ output_args:
   rtmp: -c:v libx264 -an -f flv
 ```
 
-### RTMP Cameras (Reolink 410/520 and possibly others)
+### RTMP Cameras
 
 The input parameters need to be adjusted for RTMP cameras
 
@@ -28,6 +28,46 @@ ffmpeg:
   input_args: -avoid_negative_ts make_zero -fflags nobuffer -flags low_delay -strict experimental -fflags +genpts+discardcorrupt -rw_timeout 5000000 -use_wallclock_as_timestamps 1 -f live_flv
 ```
 
+### Reolink 410/520 (possibly others)
+
+According to [this discussion](https://github.com/blakeblackshear/frigate/issues/1713#issuecomment-932976305), the http video streams seem to be the most reliable for Reolink.
+
+```yaml
+cameras:
+  reolink:
+    ffmpeg:
+      hwaccel_args:
+      input_args:
+        - -avoid_negative_ts
+        - make_zero
+        - -fflags
+        - nobuffer+genpts+discardcorrupt
+        - -flags
+        - low_delay
+        - -strict
+        - experimental
+        - -analyzeduration
+        - 1000M
+        - -probesize
+        - 1000M
+        - -rw_timeout
+        - "5000000"
+      inputs:
+        - path: http://reolink_ip/flv?port=1935&app=bcs&stream=channel0_main.bcs&user=username&password=password
+          roles:
+            - record
+            - rtmp
+        - path: http://reolink_ip/flv?port=1935&app=bcs&stream=channel0_ext.bcs&user=username&password=password
+          roles:
+            - detect
+    detect:
+      width: 640
+      height: 480
+      fps: 7
+```
+
+![Resolutions](/img/reolink-settings.png)
+
 ### Blue Iris RTSP Cameras
 
 You will need to remove `nobuffer` flag for Blue Iris RTSP cameras

docs/docs/hardware.md

@@ -9,6 +9,8 @@ Cameras that output H.264 video and AAC audio will offer the most compatibility
 
 I recommend Dahua, Hikvision, and Amcrest in that order. Dahua edges out Hikvision because they are easier to find and order, not because they are better cameras. I personally use Dahua cameras because they are easier to purchase directly. In my experience Dahua and Hikvision both have multiple streams with configurable resolutions and frame rates and rock solid streams. They also both have models with large sensors well known for excellent image quality at night. Not all the models are equal. Larger sensors are better than higher resolutions; especially at night. Amcrest is the fallback recommendation because they are rebranded Dahuas. They are rebranding the lower end models with smaller sensors or less configuration options.
 
+Many users have reported various issues with Reolink cameras, so I do not recommend them. If you are using Reolink, I suggest the [Reolink specific configuration](configuration/camera_specific#reolink-410520-possibly-others). Wifi cameras are also not recommended. Their streams are less reliable and cause connection loss and/or lost video data.
+
 Here are some of the camera's I recommend:
 
 - [Loryta(Dahua) T5442TM-AS-LED](https://amzn.to/2Wck2hQ) (affiliate link)