Added
- findmonitor function - example resource file - automatic sourcing of said resource file - avt_debug - compress command - automatic disabling of sound Changed - rec_normalize to rec_compress Removed - avt_cl
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Ali Furkan Yıldız
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f19427da23
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5f3b445d79
3 changed files with 101 additions and 34 deletions
12
shell/bash/avt/.avtrc
Normal file
12
shell/bash/avt/.avtrc
Normal file
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@ -0,0 +1,12 @@
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# Example .avtrc file
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#avt_debug=
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rec_fps=60
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rec_res=1920x1080
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rec_ar=48000
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rec_crf=12
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rec_adev="$(findmonitor) default"
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#rec_adev="$(findmonitor)"
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#rec_adev="default"
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#rec_adev=
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comp_crf=16
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comp_ba=160k
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@ -5,13 +5,13 @@
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./avt nvid|normalize
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./avt help
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Environment variables:
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avt_cl: enable opencl [set to enable]
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avt_debug: print every command before running [set to enable]
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Commands:
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./avt rec / record
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Record screen and audio in very high quality
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Usage: ./avt rec [output directory]
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Usage: ./avt rec
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Enviroment variables:
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rec_out: set output file (default: $HOME/Desktop/$(date +%F_%H-%M-%S).mkv)
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rec_fps: set framerate (default: 60)
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@ -21,11 +21,19 @@
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rec_crf: set crf, use 0 for lossless (default: 10)
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rec_adev: space separated pulseaudio source devices (default: default and first running monitor)
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rec_ar: set audio samplerate (default: 96000)
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rec_normalize: immediately start nvid after recording ends [set to enable]
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rec_compress: immediately start comp after recording ends [set to enable]
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./avt comp / compress
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Compress a recording without losing any video quality and noticeable audio quality
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Usage: ./avt comp <file> [outfile]
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Environment variables:
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comp_crf: set crf, this should be greater than or equals to rec_crf (default: 10)
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comp_ac: set audio codec (default: libopus)
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comp_ba: set audio bitrate (default: 320k)
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comp_ar: set audio samplerate, this should be less than or equals to rec_ar (default: 96000)
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./avt nvid / normalize
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Normalize and compress video & audio
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Normalize video & audio for backwards compatibility and lower file size
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Usage: ./avt nvid <file> [outfile]
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Environment variables:
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nvid_preset: set preset (default: veryslow)
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@ -38,6 +46,8 @@
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nvid_ba: set audio bitrate (default: 160k)
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nvid_ar: set audio samplerate (default: 48000)
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avt will try to source ~/.avtrc if it exists. You have access to the findmonitor function in there.
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# Dependencies
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- `bash`
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@ -3,6 +3,29 @@
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# avt: ali's (h264) vid tool
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# https://gitlab.com/alifurkany/snippets/-/tree/main/shell/bash/avt
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findmonitor() {
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pactl list sinks | perl -e '
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my $in = "";
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while (<>) { $in .= $_; }
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my @sinks = split("\n\n", $in);
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foreach (@sinks) {
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if (/State: RUNNING/) {
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/Monitor Source: ([^\n]*)/;
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print $1 . "\n";
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exit;
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}
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}
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'
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return $?
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}
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# shellcheck disable=SC1091
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[ -e "$HOME/.avtrc" ] && . "$HOME/.avtrc"
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# shellcheck disable=SC2034
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# DEBUG variable not in use yet
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[[ ${avt_debug+x} == "x" ]] && set -x && DEBUG=1
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print_help() {
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cat <<EOF
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avt: ali's (h264) video tool
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@ -10,7 +33,7 @@ Usage: $0 rec|record
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$0 nvid|normalize
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$0 help
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Environment variables:
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avt_cl: enable opencl [set to enable]
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avt_debug: print every command before running [set to enable]
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Commands:
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@ -26,7 +49,16 @@ rec_vrate: replace -crf options
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rec_crf: set crf, use 0 for lossless (default: 10)
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rec_adev: space separated pulseaudio source devices (default: default and first running monitor)
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rec_ar: set audio samplerate (default: 96000)
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rec_normalize: immediately start nvid after recording ends [set to enable]
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rec_compress: immediately start comp after recording ends [set to enable]
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$0 comp / compress
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Compress a recording without losing any video quality and noticeable audio quality
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Usage: $0 comp <file> [outfile]
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Environment variables:
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comp_crf: set crf, this should be greater than or equals to rec_crf (default: ${rec_crf:-10})
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comp_ac: set audio codec (default: libopus)
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comp_ba: set audio bitrate (default: 320k)
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comp_ar: set audio samplerate, this should be less than or equals to rec_ar (default: ${rec_ar:-96000})
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$0 nvid / normalize
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Normalize video & audio for backwards compatibility and lower file size
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@ -41,23 +73,14 @@ nvid_profile: set profile (default: high)
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nvid_ac: set audio codec (default: libopus)
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nvid_ba: set audio bitrate (default: 160k)
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nvid_ar: set audio samplerate (default: 48000)
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avt will try to source ~/.avtrc if it exists. You have access to the findmonitor function in there.
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EOF
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}
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record() {
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# shellcheck disable=SC2206
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devices=(${rec_adev:-"default" "$(pactl list sinks | perl -e '
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my $in = "";
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while (<>) { $in .= $_; }
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my @sinks = split("\n\n", $in);
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foreach (@sinks) {
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if (/State: RUNNING/) {
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/Monitor Source: ([^\n]*)/;
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print $1 . "\n";
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exit;
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}
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}
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')"})
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devices=(${rec_adev-"$(findmonitor)" "default"})
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# shellcheck disable=SC2206
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# remove empty elements from array
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devices=(${devices[@]})
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@ -71,7 +94,12 @@ foreach (@sinks) {
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audio_maps="$audio_maps -map $i:a"
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audio_filter="$audio_filter""[$i]"
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done
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audio_filter="$audio_filter amix=inputs=$i [merged]"
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if [[ "$i" -gt 1 ]]; then
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audio_filter="$audio_filter amix=inputs=$i [merged]"
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else
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an=
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echo "Audio recording disabled"
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fi
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OUTPUTFILE="${1:-$HOME/Desktop/$(date +%F_%H-%M-%S).mkv}"
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echo "Saving to $OUTPUTFILE"
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@ -79,31 +107,43 @@ foreach (@sinks) {
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# shellcheck disable=SC2086
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ffmpeg -y -thread_queue_size 64 \
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-f x11grab -r "${rec_fps:-60}" -s "${rec_res:-1920x1080}" -i "${rec_display:-$DISPLAY}" \
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$pulse_inputs \
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-filter_complex "$audio_filter" \
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-c:a pcm_s16le -ar "${rec_ar:-96000}" \
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-c:v libx264rgb ${avt_cl+-x264opts opencl} -profile:v high444 -preset "${rec_preset:-ultrafast}" ${rec_vrate:--crf "${rec_crf:-10}"} -tune zerolatency -r ${rec_fps:-60} \
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-map 0:v $audio_maps -map '[merged]:a' \
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${an-$pulse_inputs} ${an+-an} \
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${an--filter_complex "$audio_filter"} \
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${an--c:a pcm_s16le -ar "${rec_ar:-96000}"} \
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-c:v libx264rgb -profile:v high444 -preset "${rec_preset:-ultrafast}" ${rec_vrate:--crf "${rec_crf:-10}"} -tune zerolatency -r ${rec_fps:-60} \
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-map 0:v $audio_maps ${an--map '[merged]:a'} \
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"$OUTPUTFILE"
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EXITCODE=$?
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if { [[ "$EXITCODE" == 0 ]] || [[ "$EXITCODE" == 255 ]]; } && [[ "${rec_normalize+x}" == "x" ]]; then
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normalize "$OUTPUTFILE"
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if { [[ "$EXITCODE" == 0 ]] || [[ "$EXITCODE" == 255 ]]; } && [[ "${rec_compress+x}" == "x" ]]; then
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compress "$OUTPUTFILE"
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return $?
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else
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return $EXITCODE
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fi
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}
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compress() {
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OUTPUTFILE="${2:-$1_comp.mp4}"
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echo "Saving to $OUTPUTFILE"
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ffmpeg -y -thread_queue_size 64 \
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-i "$1" \
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-c:v libx264rgb -pix_fmt rgb24 -profile:v high444 -crf "${comp_crf:-${rec_crf:-10}}" -preset veryslow \
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-c:a "${comp_ac:-libopus}" -b:a "${comp_ba:-320k}" -ar "${comp_ar:-${rec_ar:-96000}}" \
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-map 0 \
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"$OUTPUTFILE"
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return $?
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}
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normalize() {
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OUTPUTFILE="${2:-$1_n.mp4}"
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OUTPUTFILE="${2:-$1_nvid.mp4}"
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echo "Saving to $OUTPUTFILE"
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# shellcheck disable=SC2086
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ffmpeg -y \
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${nvid_cl+-hwaccel opencl} -i "$1" \
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${nvid_cl+-init_hw_device opencl=ocl -filter_hw_device ocl} \
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-c:v libx264${nvid_rgb+rgb} ${avt_cl+-x264opts opencl} -preset "${nvid_preset:-veryslow}" ${nvid_vrate:--crf "${nvid_crf:-19}"} \
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-i "$1" \
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-c:v libx264${nvid_rgb+rgb} -preset "${nvid_preset:-veryslow}" ${nvid_vrate:--crf "${nvid_crf:-19}"} \
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-pix_fmt "${nvid_pixfmt:-yuv420p}" -profile:v "${nvid_profile:-high}" \
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-c:a "${nvid_ac:-libopus}" -b:a "${nvid_ba:-160k}" -ar "${nvid_ar:-48000}" \
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-map 0 \
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@ -117,6 +157,11 @@ rec | record)
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record ${@:2}
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;;
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comp | compress)
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# shellcheck disable=SC2068
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compress ${@:2}
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;;
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nvid | normalize)
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# shellcheck disable=SC2068
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normalize ${@:2}
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