add avt

README.md

@@ -8,5 +8,5 @@ All code is licensed under GPL-3.0 unless specified otherwise.
 
 | C                      |            Bash             | JS  |
 | ---------------------- | :-------------------------: | --- |
-| [unlink.c](c/unlink.c) | [arshit](shell/bash/arshit) |     |
+| [unlink.c](c/unlink.c) |    [avt](shell/bash/avt)    |     |
-| [cecho.c](c/cecho.c)   |                             |     |
+| [cecho.c](c/cecho.c)   | [arshit](shell/bash/arshit) |     |

shell/bash/avt/README.md

@@ -0,0 +1,36 @@
+# avt: ali's (h264) video tool
+    
+    avt: ali's (h264) video tool
+    Usage: ./avt rec|record
+    	   ./avt nvid|normalize
+    	   ./avt help
+    Environment variables:
+    avt_cl: enable opencl [set to enable]
+    
+    Commands:
+    
+    ./avt rec / record
+    Record screen and audio in very high quality
+    Usage: ./avt rec [output directory]
+    Enviroment variables:
+    rec_fps: set framerate (default: 60)
+    rec_res: set resolution (default: 1920x1080)
+    rec_crf: set crf, use 0 for lossless (default: 6)
+    rec_adev: set pulseaudio source devices (default: default and first running monitor) [array]
+    rec_ar: set audio samplerate (default: 192000)
+    rec_normalize: immediately start nvid after recording ends [set to enable]
+    
+    ./avt nvid / normalize
+    Normalize and compress video & audio
+    Usage: ./avt nvid <file> [outfile]
+    Environment variables:
+    nvid_preset: set preset (default: veryslow)
+    nvid_vrate: replace -crf options
+    nvid_crf: set crf value (default: 21)
+    nvid_rgb: use libx264rgb [set to enable]
+    nvid_pixfmt: set pixel format (default: yuv420p)
+    nvid_profile: set profile (default: high)
+    nvid_ac: set audio codec (default: aac)
+    nvid_ba: set audio bitrate (default: 160k)
+    nvid_ar: set audio samplerate (default: 48000)
+    

shell/bash/avt/avt

@@ -0,0 +1,132 @@
+#!/usr/bin/env bash
+
+# avt: ali's (h264) vid tool
+# Licensed under GPL-3.0, see the end of file for details
+# https://gitlab.com/alifurkany/snippets/-/blob/main/shell/bash/avt
+
+print_help() {
+	cat <<EOF
+avt: ali's (h264) video tool
+Usage: $0 rec|record
+	   $0 nvid|normalize
+	   $0 help
+Environment variables:
+avt_cl: enable opencl [set to enable]
+
+Commands:
+
+$0 rec / record
+Record screen and audio in very high quality
+Usage: $0 rec
+Enviroment variables:
+rec_out: set output file (default: $HOME/Desktop/$(date +%F_%H-%M-%S).mkv)
+rec_fps: set framerate (default: 60)
+rec_res: set resolution (default: 1920x1080)
+rec_crf: set crf, use 0 for lossless (default: 6)
+rec_adev: space separated pulseaudio source devices (default: default and first running monitor)
+rec_ar: set audio samplerate (default: 192000)
+rec_normalize: immediately start nvid after recording ends [set to enable]
+
+$0 nvid / normalize
+Normalize and compress video & audio
+Usage: $0 nvid <file> [outfile]
+Environment variables:
+nvid_preset: set preset (default: veryslow)
+nvid_vrate: replace -crf options
+nvid_crf: set crf value (default: 21)
+nvid_rgb: use libx264rgb [set to enable]
+nvid_pixfmt: set pixel format (default: yuv420p)
+nvid_profile: set profile (default: high)
+nvid_ac: set audio codec (default: aac)
+nvid_ba: set audio bitrate (default: 160k)
+nvid_ar: set audio samplerate (default: 48000)
+EOF
+}
+
+record() {
+	# shellcheck disable=SC2206
+	devices=(${rec_adev:-"default" "$(pactl list sinks | perl -e '
+my $in = "";
+while (<>) { $in .= $_; }
+my @sinks = split("\n\n", $in);
+foreach (@sinks) {
+    if (/State: RUNNING/) {
+        /Monitor Source: ([^\n]*)/;
+        print $1 . "\n";
+        exit;
+    }
+}
+')"})
+	# shellcheck disable=SC2206
+	# remove empty elements from array
+	devices=(${devices[@]});
+	pulse_inputs=""
+	audio_maps=""
+	audio_filter=""
+	i=0
+	for device in "${devices[@]}"; do
+		i=$(("$i" + 1))
+		pulse_inputs="$pulse_inputs -f pulse -i $device"
+		audio_maps="$audio_maps -map $i:a"
+		audio_filter="$audio_filter""[$i]"
+	done
+	audio_filter="$audio_filter amix=inputs=$i [merged]"
+
+	OUTPUTFILE="${1:-$HOME/Desktop/$(date +%F_%H-%M-%S).mkv}"
+	echo "Saving to $OUTPUTFILE"
+
+	# shellcheck disable=SC2086
+	ffmpeg -y -thread_queue_size 64 \
+		-f x11grab -r "${rec_fps:-60}" -s "${rec_res:-1920x1080}" -i :0 \
+		$pulse_inputs \
+		-filter_complex "$audio_filter" \
+		-c:a pcm_s16le -ar "${rec_ar:-192000}" \
+		-c:v libx264rgb -x264opts opencl -profile:v high444 -crf "${rec_crf:-4}" -tune film -preset ultrafast -r 60 \
+		-map 0:v $audio_maps -map '[merged]:a' \
+		"$OUTPUTFILE"
+
+	EXITCODE=$?
+	if { [[ "$EXITCODE" == 0 ]] || [[ "$EXITCODE" == 255 ]]; } && [[ "${rec_normalize+x}" == "x" ]]; then
+		normalize "$OUTPUTFILE"
+		return $?
+	else
+		return $EXITCODE
+	fi
+}
+
+normalize() {
+	OUTPUTFILE="${2:-n_$(grep -oP '^.+(?=\..+)' <<<"$1").mp4}"
+	echo "Saving to $OUTPUTFILE"
+
+	ffmpeg -y \
+		${nvid_cl+-hwaccel opencl} -i "$1" \
+		${nvid_cl+-init_hw_device opencl=ocl -filter_hw_device ocl} \
+		-c:v libx264${nvid_rgb+rgb} ${nvid_cl+-x264opts opencl} -preset "${nvid_preset:-veryslow}" ${nvid_vrate:--crf "${nvid_crf:-21}"} \
+		-pix_fmt "${nvid_pixfmt:-yuv420p}" -profile:v "${nvid_profile:-high}" \
+		-c:a "${nvid_ac:-aac}" -b:a "${nvid_ba:-160k}" -ar "${nvid_ar:-48000}" \
+		-map 0 \
+		"$OUTPUTFILE"
+	return $?
+}
+
+case "$1" in
+rec | record)
+	# shellcheck disable=SC2068
+	record ${@:2}
+	;;
+
+nvid | normalize)
+	# shellcheck disable=SC2068
+	normalize ${@:2}
+	;;
+
+help)
+	print_help
+	;;
+
+*)
+	echo "$0: Error: No command specified. See \`$0 help\` for more details."
+	false
+	;;
+esac
+exit $?