applet.video.ws2812_output: Add docs

Author: dratini0

docs/manual/src/applets/index.rst

@@ -16,4 +16,5 @@ Applet index
     sensor/index
     bridge/index
     audio/index
+    video/index
     internal/index

docs/manual/src/applets/video/index.rst

@@ -0,0 +1,11 @@
+.. _applet.video:
+
+Video capture and output
+========================
+
+.. automodule:: glasgow.applet.video
+
+.. toctree::
+    :maxdepth: 3
+
+    ws2812_output

docs/manual/src/applets/video/ws2812_output.rst

@@ -0,0 +1,18 @@
+``video-ws2812-output``
+=======================
+
+CLI reference
+-------------
+
+.. _applet.video.ws2812_output:
+
+.. autoprogram:: glasgow.applet.video.ws2812_output:VideoWS2812OutputApplet._get_argparser_for_sphinx("video-ws2812-output")
+    :prog: glasgow run video-ws2812-output
+
+
+API reference
+-------------
+
+.. module:: glasgow.applet.video.ws2812_output
+
+.. autoclass:: VideoWS2812OutputInterface

software/glasgow/applet/video/ws2812_output/__init__.py

@@ -218,7 +218,7 @@ def add_build_arguments(cls, parser, access):
             help="set the number of LEDs per string")
         parser.add_argument(
             "-f", "--pix-fmt", metavar="F", choices=cls.pixel_formats.keys(), default="RGB-BRG",
-            help="set the pixel format (one of: %(choices)s, default: %(default)s)")
+            help="set the pixel format (default: %(default)s)")
         parser.add_argument(
             "-b", "--buffer", metavar="N", type=int, default=16,
             help="set the number of frames to buffer internally (buffered twice)")