106 lines
2.9 KiB
Bash
Executable File
106 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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set -x
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monitor="HDMI1"
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xrandr_out="$(xrandr)"
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output="/tmp/vid.mkv"
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find_device_info() {
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pactl list sources \
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| grep "Name: ${1}" -A3
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}
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parse_device_name() {
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echo "${1}" \
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| grep Name \
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| awk '{print $2}'
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}
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parse_channels() {
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echo "${1}" \
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| grep 'Sample Specification' \
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| awk '{print $4}' \
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| sed 's/ch//'
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}
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parse_rate() {
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echo "${1}" \
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| grep 'Sample Specification' \
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| awk '{print $5}' \
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| sed 's/Hz//'
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}
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find_monitor_info() {
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dev="${2}"
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echo "${1}" \
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| awk "BEGIN {found = \"false\"}
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/^${dev}/ {found = \"true\"; print \$0; next}
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/^[[:space:]]/ {if (found == \"true\") {print \$0} }
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/^\w/ {if (found == \"true\") {exit 0}}"
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}
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get_monitor_size() {
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dev="${2}"
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echo "${1}" \
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| awk "/^${dev}.*primary/ {print \$4; exit}
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/^${dev}/ {print \$3; exit}" \
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| sed 's/^\([[:digit:]]*x[[:digit:]]*\).*/\1/'
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}
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get_monitor_pos() {
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dev="${2}"
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echo "${1}" \
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| awk "/^${dev}.*primary/ {print \$4; exit}
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/^${dev}/ {print \$3; exit}" \
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| sed 's/.*\([[:digit:]]+[[:digit:]]*\)/\1/' \
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| sed 's/+/,/'
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}
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get_monitor_rate() {
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echo "${1}" \
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| awk '/*/ {print $2}' \
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| sed 's/\([[:digit:]]\+\).*/\1/'
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}
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get_screen_number() {
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echo "${1}" \
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| awk '/Screen / {print $2; exit 0}' \
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| sed 's/://'
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}
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get_minimum() {
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echo "${*}" \
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sed 's/ /\n/g' \
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| awk "BEGIN {min = 1000000000}
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{if (\$1 < min) {min = \$1}}
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END {print min}"
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}
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odev_info=$(find_device_info "alsa_output")
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odev=$(parse_device_name "${odev_info}")
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odev_c=$(parse_channels "${odev_info}")
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odev_r=$(parse_rate "${odev_info}")
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idev_info=$(find_device_info "alsa_input")
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idev=$(parse_device_name "${idev_info}")
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idev_c=$(parse_channels "${idev_info}")
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idev_r=$(parse_rate "${idev_info}")
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min_sound_r=$(get_minimum "${odev_r}" "${idev_r}")
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mon_info=$(find_monitor_info "${xrandr_out}" "${monitor}")
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mon_s=$(get_monitor_size "${mon_info}" "${monitor}")
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mon_p=$(get_monitor_pos "${mon_info}" "${monitor}")
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mon_r=$(get_monitor_rate "${mon_info}")
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screen=$(get_screen_number "${xrandr_out}")
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ffmpeg -f pulse -ac "${odev_c}" -ar "${odev_r}" -i "${odev}" \
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-f pulse -ac "${idev_c}" -ar "${idev_r}" -i "${idev}" \
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-filter_complex amix=inputs=2 \
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-f x11grab -s "${mon_s}" -r "${mon_r}" -probesize 100M -i "${DISPLAY}.${screen}+${mon_p}" \
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-vcodec libx264 -preset veryfast -crf 18 \
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-acodec libmp3lame -ar "${min_sound_r}" \
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"${output}"
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