From 37f2c6a2770a995c6d7a5fda3a79fe76c18845a8 Mon Sep 17 00:00:00 2001
From: Guillaume Pellerin <guillaume.pellerin@ircam.fr>
Date: Sat, 26 Feb 2022 23:33:23 +0100
Subject: [PATCH] add a .env environment file with parameters, add more
 parameters

---
 .gitignore                                    |  2 +-
 .../telecaster/.fluxbox/scripts/.env.sample   | 17 +++++++
 .../scripts/tc_audio_mp3_icecast-gst1.sh      |  4 ++
 .../tc_video_simple_webm_stream-gst1.sh       | 44 +++++++++++--------
 4 files changed, 48 insertions(+), 19 deletions(-)
 create mode 100644 src/home/telecaster/.fluxbox/scripts/.env.sample

diff --git a/.gitignore b/.gitignore
index eec5c21..c2f98e6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,4 @@
 build
 dist
 *.egg
-
+.env
diff --git a/src/home/telecaster/.fluxbox/scripts/.env.sample b/src/home/telecaster/.fluxbox/scripts/.env.sample
new file mode 100644
index 0000000..a61e427
--- /dev/null
+++ b/src/home/telecaster/.fluxbox/scripts/.env.sample
@@ -0,0 +1,17 @@
+# v4l2
+V4L2_ID=0
+V4L2_ZOOM=140
+
+# C920
+#VIDEO_WIDTH=864
+#VIDEO_HEIGHT=480
+#VIDEO_FRAMERATE=24
+
+# C922
+VIDEO_WIDTH=848
+VIDEO_HEIGHT=480
+VIDEO_FRAMERATE=24
+
+# Audio
+AUDIO_CHANNELS=2
+AUDIO_OPUS_BITRATE=96000
diff --git a/src/home/telecaster/.fluxbox/scripts/tc_audio_mp3_icecast-gst1.sh b/src/home/telecaster/.fluxbox/scripts/tc_audio_mp3_icecast-gst1.sh
index d77d549..f051590 100755
--- a/src/home/telecaster/.fluxbox/scripts/tc_audio_mp3_icecast-gst1.sh
+++ b/src/home/telecaster/.fluxbox/scripts/tc_audio_mp3_icecast-gst1.sh
@@ -2,6 +2,10 @@
 
 AUDIO_CHANNELS=2
 
+if [ -f .env ]; then
+	source .env
+fi
+
 gst-launch-1.0 jackaudiosrc connect=$AUDIO_CHANNELS ! audio/x-raw, format=F32LE, channels=$AUDIO_CHANNELS \
 	! queue ! audioconvert \
 	! queue ! rgvolume pre-amp=12.0 \
diff --git a/src/home/telecaster/.fluxbox/scripts/tc_video_simple_webm_stream-gst1.sh b/src/home/telecaster/.fluxbox/scripts/tc_video_simple_webm_stream-gst1.sh
index ad6b1f4..2784ed9 100755
--- a/src/home/telecaster/.fluxbox/scripts/tc_video_simple_webm_stream-gst1.sh
+++ b/src/home/telecaster/.fluxbox/scripts/tc_video_simple_webm_stream-gst1.sh
@@ -1,32 +1,40 @@
-#!/bin/sh
+#:/usr/bin/env bash
 
-# Start TeleCaster video channel
+set -e
 
-VIDEO_ID=0
-AUDIO_CHANNELS=2
+# Default TeleCaster video parameters
+
+# v4l2
+V4L2_ID=0
+V4L2_ZOOM=140
 
 # C920
-#WIDTH=864
-#HEIGHT=480
+#VIDEO_WIDTH=864
+#VIDEO_HEIGHT=480
+#VIDEO_FRAMERATE=24
 
 # C922
-WIDTH=848
-HEIGHT=480
+VIDEO_WIDTH=848
+VIDEO_HEIGHT=480
+VIDEO_FRAMERATE=24
 
-#WIDTH=1280
-#HEIGHT=720
+# Audio
+AUDIO_CHANNELS=2
+AUDIO_OPUS_BITRATE=96000
 
-FRAMERATE=24
+if [ -f .env ]; then
+	source .env
+fi
 
-v4l2-ctl -d $VIDEO_ID -c power_line_frequency=1
-v4l2-ctl -d $VIDEO_ID -c zoom_absolute=140
-v4l2-ctl -d $VIDEO_ID -c focus_auto=0
-v4l2-ctl -d $VIDEO_ID -c focus_absolute=1
-v4l2-ctl -d $VIDEO_ID -c sharpness=128
+v4l2-ctl -d $V4L2_ID -c power_line_frequency=1
+v4l2-ctl -d $V4L2_ID -c zoom_absolute=$V4L2_ZOOM
+v4l2-ctl -d $V4L2_ID -c focus_auto=0
+v4l2-ctl -d $V4L2_ID -c focus_absolute=1
+v4l2-ctl -d $V4L2_ID -c sharpness=128
 
 # ! queue ! videoflip method=rotate-180 \
 
-gst-launch-1.0 v4l2src device=/dev/video$VIDEO_ID ! video/x-raw, format=YUY2, width=$WIDTH, height=$HEIGHT, framerate=$FRAMERATE/1  \
+gst-launch-1.0 v4l2src device=/dev/video$V4L2_ID ! video/x-raw, format=YUY2, width=$VIDEO_WIDTH, height=$VIDEO_HEIGHT, framerate=$VIDEO_FRAMERATE/1  \
 	! queue ! videoflip method=rotate-180 \
 	! queue ! videoconvert \
 	! queue ! vp8enc threads=4 deadline=2 \
@@ -38,7 +46,7 @@ gst-launch-1.0 v4l2src device=/dev/video$VIDEO_ID ! video/x-raw, format=YUY2, wi
         ! queue ! rgvolume pre-amp=12.0 \
 	! queue ! rglimiter \
 	! queue ! audioconvert \
-	! queue ! opusenc bitrate=96000 \
+	! queue ! opusenc bitrate=$AUDIO_OPUS_BITRATE \
 	! queue ! muxout. \
 	webmmux streamable=true name=muxout \
 	! queue ! tcpserversink host=127.0.0.1 port=9000 blocksize=65536 sync-method=1 \
-- 
2.39.5