revid/geovision.go: created file geovision.go to hold geovision implementation of AVDevice and wrote Set function

revid/geovision.go

@@ -0,0 +1,62 @@
+/*
+DESCRIPTION
+  geovision.go
+
+AUTHORS
+  Saxon A. Nelson-Milton <saxon@ausocean.org>
+
+LICENSE
+  Copyright (C) 2017-2019 the Australian Ocean Lab (AusOcean)
+
+  It is free software: you can redistribute it and/or modify them
+  under the terms of the GNU General Public License as published by the
+  Free Software Foundation, either version 3 of the License, or (at your
+  option) any later version.
+
+  It is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+  for more details.
+
+  You should have received a copy of the GNU General Public License
+  in gpl.txt.  If not, see http://www.gnu.org/licenses.
+*/
+
+package revid
+
+import ()
+
+type GeoVision struct {}
+
+func (g *GeoVision) Set(c Config) error {
+  err := gvctrl.Set(
+		r.config.CameraIP,
+		gvctrl.Channel(r.config.CameraChan),
+		gvctrl.CodecOut(
+			map[uint8]gvctrl.Codec{
+				codecutil.H264:  gvctrl.CodecH264,
+				codecutil.H265:  gvctrl.CodecH265,
+				codecutil.MJPEG: gvctrl.CodecMJPEG,
+			}[r.config.InputCodec],
+		),
+		gvctrl.Height(int(r.config.Height)),
+		gvctrl.FrameRate(int(r.config.FrameRate)),
+		gvctrl.VariableBitrate(r.config.VBR),
+		gvctrl.VBRQuality(
+			map[quality]gvctrl.Quality{
+				qualityStandard:  gvctrl.QualityStandard,
+				qualityFair:      gvctrl.QualityFair,
+				qualityGood:      gvctrl.QualityGood,
+				qualityGreat:     gvctrl.QualityGreat,
+				qualityExcellent: gvctrl.QualityExcellent,
+			}[r.config.VBRQuality],
+		),
+		gvctrl.VBRBitrate(r.config.VBRBitrate),
+		gvctrl.CBRBitrate(int(r.config.Bitrate)),
+		gvctrl.Refresh(float64(r.config.MinFrames)/float64(r.config.FrameRate)),
+	)
+	if err != nil {
+		return nil, fmt.Errorf("could not set IPCamera settings: %w", err)
+	}
+  return nil
+}