From 4ca7908c5713cf1cdd142efd54b04c08ff8b9c7b Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Mon, 19 Aug 2019 15:09:50 -0400
Subject: various changes

---
 dot/local/bin/google            |  6 +++++-
 dot/local/bin/hard-restart-wifi | 14 ++++++++-----
 dot/local/bin/lptext            |  7 +++++++
 dot/local/bin/musopen           | 34 ++++++++++++++++++++++++++++---
 dot/local/bin/selfie            | 44 +++++++++++++++++++++++++++++++++++++----
 5 files changed, 92 insertions(+), 13 deletions(-)

(limited to 'dot/local/bin')

diff --git a/dot/local/bin/google b/dot/local/bin/google
index 25604fb..94ebf0f 100755
--- a/dot/local/bin/google
+++ b/dot/local/bin/google
@@ -1,5 +1,9 @@
 #!/usr/bin/perl -w
+$useragent = 'User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:64.0) Gecko/20100101 Firefox/64.0';
 
 $_ = join ' ', map { m/ / ? qq<"$_"> : $_ } @ARGV;
 s/([^a-zA-Z0-9])/sprintf "%%%x", ord $1/ge;
-exec qw(w3m), "http://www.google.com/search?q=$_"
+$url = "https://www.google.com/search?q=$_";
+
+if ($ENV{NO_FAKE_UA}) { exec qw(w3m), "$url" }
+else                  { exec qw(w3m -o), "user_agent=$useragent", "$url" }
diff --git a/dot/local/bin/hard-restart-wifi b/dot/local/bin/hard-restart-wifi
index 78f7144..52f21d3 100755
--- a/dot/local/bin/hard-restart-wifi
+++ b/dot/local/bin/hard-restart-wifi
@@ -10,14 +10,18 @@ with_pwd_path()
     "$@"
 }
 
-[ $(id -u) = 0 ] || die "you are not root."
-
 restart=$(with_pwd_path which restart-linux-device) || die "command 'restart-linux-device' is not available."
 
+if [ $(id -u) = 0 ]; then
+    sudo=
+else
+    sudo=sudo
+fi
+
 dev=${1:-$default_dev}
 rawdev=${dev%=*}
 
 [ "$VERBOSE" ] && set -x
-$restart $rawdev
-ifdown --force $rawdev # It's not clear to me why this is necessary, but it is.
-ifup $dev
+$sudo $restart $rawdev
+$sudo ifdown --force $rawdev # It's not clear to me why this is necessary, but it is.
+$sudo ifup $dev
diff --git a/dot/local/bin/lptext b/dot/local/bin/lptext
index 064e98e..645e4a4 100755
--- a/dot/local/bin/lptext
+++ b/dot/local/bin/lptext
@@ -1,2 +1,9 @@
 #!/bin/sh
+case "$1" in
+    -*|'') ;;
+    *)  echo "Warning: $0: ignoring stdin and using first argument as input ($1)" >&2
+        exec < "$1"
+        shift
+        ;;
+esac
 text2png | lp "$@"
diff --git a/dot/local/bin/musopen b/dot/local/bin/musopen
index 3ed9962..7d007fb 100755
--- a/dot/local/bin/musopen
+++ b/dot/local/bin/musopen
@@ -1,5 +1,26 @@
 #!/bin/sh
 
+usage()
+{
+    cat <<EOF
+Usage: $0 [-h|--help] [-n|--no-save] [-s|--save]
+EOF
+}
+
+DO_SAVE=y
+
+eval set -- "$(getopt -o 'hsn' --long '-help,-save,-no-save' -n 'musopen' -- "$@")" || exit 1
+while true; do
+    case "$1" in
+        -h|--help) usage; exit ;;
+        -s|--save) DO_SAVE=y ;;
+        -n|--no-save) DO_SAVE= ;;
+        --) shift; break ;;
+        *) usage; exit 1 ;;
+    esac
+    shift
+done
+
 URL=https://radio.musopen.org/v1/pieces/get_current/streamvbr0
 JSON=$(curl -s "$URL")
 URL_FMT='https://live.musopen.org/music/vbr0/%s'
@@ -14,7 +35,14 @@ title=$(j .title)
 
 STREAM_URL=$(printf "$URL_FMT" "$filename")
 
-CAPTURE_NAME=
-[ "$CAPTURE" ] && CAPTURE_NAME="$composer - $title.${filename##*.}"
+CAPTURE_NAME="$composer - $title.${filename##*.}"
+
+if [ "$DO_SAVE" -a -e "$CAPTURE_NAME" ]; then
+    echo "Warning: not saving: file exists: $CAPTURE_NAME" >&2
+    DO_SAVE=
+else
+    printf '%s: %s - %s\n' "${DO_SAVE+Saving}${DO_SAVE-Playing}" "$composer" "$title" >&2
+fi
+
 
-exec mpv "$STREAM_URL" ${CAPTURE_NAME+ --stream-capture="$CAPTURE_NAME"}
+exec mpv "$STREAM_URL" ${DO_SAVE+ --stream-capture="$CAPTURE_NAME"}
diff --git a/dot/local/bin/selfie b/dot/local/bin/selfie
index 9fa2a45..ef0adb2 100755
--- a/dot/local/bin/selfie
+++ b/dot/local/bin/selfie
@@ -1,24 +1,60 @@
 #!/bin/bash
 
+video_devices()
+{
+    v4l2-ctl --list-devices | sed -ne 's/^\t//p'
+}
+
 AUDIO_DEVICE=pulse
-VIDEO_DEVICE=/dev/video0
+VIDEO_DEVICE=$(video_devices | head -n1)
+
+[ "$VIDEO_DEVICE" ] || exit 1
 
 MAX_RECORDING_TIME=00:05:00
+[ "$RECORD_FOREVER" ] && unset MAX_RECORDING_TIME
 
 NOW=$(date -Iseconds)
 
 OUTPUT=recording.${NOW//[:T]/.}.avi
 OUTPUT_LINK=recording.latest.avi
 
+XVID_QUALITY=10
+
+info()
+{
+    ffmpeg -hide_banner -f v4l2 -list_formats all -i "$VIDEO_DEVICE"
+    v4l2-ctl --list-formats-ext
+
+    # Such commands as these do nothing.  ffmpeg overrides them.
+    #v4l2-ctl --set-fmt-video=width=800,height=600,pixelformat=MJPG
+    #v4l2-ctl --set-fmt-video=width=1600,height=1200,pixelformat=MJPG
+}
+
+# The higher resolution matches the display, and so fills the screen while
+# recording, but the field of view is larger in the 800x600 resolution, which
+# also supports a higher framerate. Thus 800x600 seems like the "natural"
+# resolution of the camera.  Though, it is still quite low.  :(
+
+V4L2_OPTIONS='-input_format mjpeg -framerate 30 -video_size 800x600'
+# V4L2_OPTIONS='-input_format mjpeg -framerate 15 -video_size 1280x800'
+# V4L2_OPTIONS='-input_format mjpeg -framerate 15 -video_size 1600x1200'
+
+drawtext='text=%{pts\\:hms}:x=5:y=h-lh-5:fontsize=18:fontcolor=white:box=1:boxcolor=0x00000099'
 record()
 {
 	local timeout="${MAX_RECORDING_TIME+-t $MAX_RECORDING_TIME}"
 	ffmpeg -hide_banner -loglevel error -stats \
-		$timeout -f video4linux2    -i "$VIDEO_DEVICE" \
+		$timeout -f video4linux2 ${V4L2_OPTIONS} -i "$VIDEO_DEVICE" \
 		$timeout -f "$AUDIO_DEVICE" -i default \
-		-c:v rawvideo  -pix_fmt yuv420p  -f xv win \
-		-c:a mp3 \
+    \
+		-c:v rawvideo \
+    -vf scale=iw/2:ih/2,drawtext="${drawtext}" \
+    -pix_fmt yuv420p \
+    -f xv selfie \
+    \
 		-c:v libxvid \
+		-c:a libmp3lame \
+    -q:v $XVID_QUALITY \
 		"$1"
 }
 
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