adamsgaard.dk

commit f6af7728fcf842ad22da976b07d3cc67fc704240
parent 7fe6c041fbd322d068731a87e3962cc39c1d3db8
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Tue, 24 Mar 2020 19:25:35 +0100

Expand tabs in html version

Diffstat:
M
pages/004-screencasts.html
 | 
98
++++++++++++++++++++++++++++++++++++++++----------------------------------------

1 file changed, 49 insertions(+), 49 deletions(-)
diff --git a/pages/004-screencasts.html b/pages/004-screencasts.html
@@ -20,37 +20,37 @@ and stopping recording:</p>
 lockfile=/tmp/screenrecord.pid
 
 startrecording() {
-	out="$HOME/screenrecord-$(date '+%Y-%m-%d_%H:%M:%S').mkv"
-	ffmpeg -y \
-		-f x11grab \
-		-framerate 60 \
-		-s "$(xdpyinfo | grep dimensions | awk '{print $2}')" \
-		-i $DISPLAY \
-		-f sndio -i default \
-		-r 30 \
-		-c:v libx264rgb -crf 0 -preset ultrafast -c:a flac \
-		"$out" >/dev/null 2>&1 &
-	printf '%s' "$!" > "$lockfile"
-
-	sleep 1
-	if [ ! -f "$out" ]; then
-		echo 'error: ffmpeg recording did not start' >&2
-		notify-send -u CRITICAL "${0##*/}" 'ffmpeg recording did not start'
-		rm -f "$lockfile"
-		exit 1
-	fi
+    out="$HOME/screenrecord-$(date '+%Y-%m-%d_%H:%M:%S').mkv"
+    ffmpeg -y \
+        -f x11grab \
+        -framerate 60 \
+        -s "$(xdpyinfo | grep dimensions | awk '{print $2}')" \
+        -i $DISPLAY \
+        -f sndio -i default \
+        -r 30 \
+        -c:v libx264rgb -crf 0 -preset ultrafast -c:a flac \
+        "$out" >/dev/null 2>&1 &
+    printf '%s' "$!" > "$lockfile"
+
+    sleep 1
+    if [ ! -f "$out" ]; then
+        echo 'error: ffmpeg recording did not start' >&2
+        notify-send -u CRITICAL "${0##*/}" 'ffmpeg recording did not start'
+        rm -f "$lockfile"
+        exit 1
+    fi
 }
 
 stoprecording() {
-	kill "$(cat "$lockfile")"
-	rm -f "$lockfile"
-	notify-send "${0##*/}" 'recording ended'
+    kill "$(cat "$lockfile")"
+    rm -f "$lockfile"
+    notify-send "${0##*/}" 'recording ended'
 }
 
 if [ -f "$lockfile" ]; then
-	stoprecording
+    stoprecording
 else
-	startrecording
+    startrecording
 fi
 </code></pre>
 
@@ -73,9 +73,9 @@ The following script toggles the video feed:<p>
 <pre><code>#!/bin/sh
 # remember to `chown $USER /dev/video0`
 if pgrep video >/dev/null 2>&1; then
-	pkill video
+    pkill video
 else
-	nohup video -s 320 >/dev/null 2>&1 &
+    nohup video -s 320 >/dev/null 2>&1 &
 fi
 </code></pre>
 
@@ -97,14 +97,14 @@ concievable loss in quality:</p>
 <pre><code>#!/bin/sh
 
 encode() {
-	ffmpeg -y -i "$1" \
-		-c:v libx264 -threads 0 -preset faster -pix_fmt yuv420p \
-		-c:a aac -crf 10 \
-		"${1%.*}_out.mp4"
+    ffmpeg -y -i "$1" \
+        -c:v libx264 -threads 0 -preset faster -pix_fmt yuv420p \
+        -c:a aac -crf 10 \
+        "${1%.*}_out.mp4"
 }
 
 for f in "$@"; do
-	encode "$f"
+    encode "$f"
 done
 </code></pre>
 
@@ -115,30 +115,30 @@ encounter when recording on my laptop:</p>
 <pre><code>#!/bin/sh
 
 synchronize() {
-	ffmpeg -y -i "$1" \
-		-itsoffset 0.300 \
-		-i "$1" \
-		-map 0:v -map 1:a \
-		-c copy \
-		"${1%.*}_out.${1##*.}"
+    ffmpeg -y -i "$1" \
+        -itsoffset 0.300 \
+        -i "$1" \
+        -map 0:v -map 1:a \
+        -c copy \
+        "${1%.*}_out.${1##*.}"
 }
 
 for f in "$@"; do
-	synchronize "$f"
+    synchronize "$f"
 done
 </code></pre>
 
 <figure class="pagefigure">
-	<video poster="video/screencast.jpg" style="object-fit:fill;"
-		controls preload="none" class="mediaframe">
-		<source src="video/screencast.webm" type="video/webm">
-		<source src="video/screencast.ogv" type="video/ogg">
-		<source src="video/screencast.mp4" type="video/mp4">
-		<a href="video/screencast.mp4">Link</a>
-	</video>
-	<figcaption>
-		Example screen recording using ffmpeg(1) and video(1)
-		with the above scripts.
-	</figcaption>
+    <video poster="video/screencast.jpg" style="object-fit:fill;"
+        controls preload="none" class="mediaframe">
+        <source src="video/screencast.webm" type="video/webm">
+        <source src="video/screencast.ogv" type="video/ogg">
+        <source src="video/screencast.mp4" type="video/mp4">
+        <a href="video/screencast.mp4">Link</a>
+    </video>
+    <figcaption>
+        Example screen recording using ffmpeg(1) and video(1)
+        with the above scripts.
+    </figcaption>
 </figure>