rec.ksh: update to 0.8

Optimización código de función killrecording
This commit is contained in:
Tuxliban Torvalds 2023-09-20 02:54:03 -06:00
parent 42a5386a92
commit 60252ea0d4
2 changed files with 8 additions and 153 deletions

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@ -1,137 +0,0 @@
#!/bin/ksh
# Usage:
# `$0`: Ask for recording type via dmenu
# `$0 screencast`: Record both audio and screen
# `$0 video`: Record only screen
# `$0 audio`: Record only audio
# `$0 kill`: Kill existing recording
#
# If there is already a running instance, user will be prompted to end it.
read -r RES < /sys/class/graphics/fb0/virtual_size
updateicon() { \
print "$1" > /tmp/recordingicon
pkill -RTMIN+9 "${STATUSBAR:?}"
}
killrecording() {
recpid="$(cat /tmp/recordingpid)"
# kill with SIGTERM, allowing finishing touches.
kill -15 "$recpid"
rm -f /tmp/recordingpid
updateicon ""
pkill -RTMIN+9 "${STATUSBAR:?}"
# even after SIGTERM, ffmpeg may still run, so SIGKILL it.
sleep 3
kill -9 "$recpid"
exit
}
screencast() { \
ffmpeg -y \
-f x11grab \
-framerate 24 \
-s "${RES/,/x}" \
-i "$DISPLAY" \
-f alsa -i default \
# -f sndio -i snd/0 \
-r 24 -async 1 -vsync -1 \
-c:v libx264rgb -crf 0 -preset ultrafast -c:a aac \
-preset ultrafast -c:a libvorbis \
"$HOME/screencast-$(date '+%y%m%d-%H%M%S').mkv" &
print $! > /tmp/recordingpid
updateicon "⏺️🎙️"
}
screencastmobile() { \
ffmpeg -y \
-f x11grab \
-framerate 60 \
-s "${RES/,/x}" \
-i "$DISPLAY" \
-f alsa -i default \
-r 30 \
-c:v libx264 -profile:v baseline -level 3.0 -pix_fmt yuv420p -loglevel panic -c:a aac \
"$HOME/screencast-$(date '+%y%m%d-%H%M%S').mp4" &
print $! > /tmp/recordingpid
updateicon "⏺️🎙️"
}
video() { ffmpeg \
-f x11grab \
-s "${RES/,/x}" \
-i "$DISPLAY" \
-c:v libx264 -qp 0 -r 30 \
"$HOME/video-$(date '+%y%m%d-%H%M%S').mkv" &
print $! > /tmp/recordingpid
updateicon "⏺️"
}
videomobile() { \
ffmpeg -y \
-f x11grab \
-framerate 60 \
-s "${RES/,/x}" \
-i "$DISPLAY" \
-r 30 \
-c:v libx264 -profile:v baseline -level 3.0 -pix_fmt yuv420p -loglevel panic\
"$HOME/video-$(date '+%y%m%d-%H%M%S').mp4" &
print $! > /tmp/recordingpid
updateicon "⏺️🎙️"
}
webcamhidef() { ffmpeg \
-f v4l2 \
-i /dev/video0 \
-video_size 1920x1080 \
"$HOME/webcam-$(date '+%y%m%d-%H%M%S').mp4" &
print $! > /tmp/recordingpid
updateicon "🎥"
}
webcam() { ffmpeg \
-f v4l2 \
-i /dev/video0 \
-video_size 640x480 \
"$HOME/webcam-$(date '+%y%m%d-%H%M%S').mp4" &
print $! > /tmp/recordingpid
updateicon "🎥"
}
audio() { \
ffmpeg \
-f alsa -i default \
-c:a flac \
"$HOME/audio-$(date '+%y%m%d-%H%M%S').mp4" &
print $! > /tmp/recordingpid
updateicon "🎙️"
}
askrecording() { \
choice=$(printf "screencast\\nwebcam\\nscreencastmobile\\nvideomobile" | dmenu -i -sb "#4D4270" \
-p "Seleccione el modo de grabación:")
case "$choice" in
screencast) screencast;;
audio) audio;;
video) video;;
webcam) webcam;;
screencastmobile) screencastmobile;;
videomobile) videomobile;;
esac
}
asktoend() { \
response=$(printf "No\\nSí" | dmenu -i -sb "#4D4270" -p "Grabación activa.¿Desea finalizar?") &&
[ "$response" = "Sí" ] && killrecording
}
case "$1" in
screencast) screencast;;
audio) audio;;
video) video;;
kill) killrecording;;
*) ([ -f /tmp/recordingpid ] && asktoend && exit) || askrecording;;
esac

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@ -1,9 +1,9 @@
#!/bin/ksh
# v0.7 - 15/09/2023
# v0.8 - 20/09/2023
#
# Script para poder realizar screencast.
#
# Autor: O. Sánchez <o-sanchez@linuxmail.org>
# Autor: O. Sánchez <o-sanchez@linuxmail.org> 2023
#
# Códigos de salida:
# 0 - Éxito
@ -11,8 +11,7 @@
# 11 - Opción no válida
#
set -u
set -e
set -eu
# Obtener resolución de pantalla
read -r res < /sys/class/graphics/fb0/virtual_size
@ -37,22 +36,15 @@ function audio {
print $! >| /tmp/recordingpid_audio
}
# Función para detener la grabación
function killrecording {
audio_pid="$(cat /tmp/recordingpid_audio)"
video_pid="$(cat /tmp/recordingpid_video)"
if [[ "$current_state" == "Grabando audio" ]]; then
kill -15 "$audio_pid"
rm -f /tmp/recordingpid_audio
elif [[ "$current_state" == "Grabando video" ]]; then
kill -15 "$video_pid"
rm -f /tmp/recordingpid_video
elif [[ "$current_state" == "Grabando audio y video" ]]; then
kill -15 "$audio_pid"
kill -15 "$video_pid"
rm -f /tmp/recordingpid_audio
rm -f /tmp/recordingpid_video
fi
[[ "$current_state" == "Grabando audio" ]] && kill -15 "$audio_pid"
[[ "$current_state" == "Grabando video" ]] && kill -15 "$video_pid"
[[ "$current_state" == "Grabando audio y video" ]] && kill -15 "$audio_pid" && kill -15 "$video_pid"
rm -f /tmp/recordingpid_audio /tmp/recordingpid_video
}
# Ruta al archivo que guarda el estado actual
state_file="/tmp/recording_state.txt"