Update 2024-02-14 07:51 OpenBSD/amd64-x13
This commit is contained in:
c0dev0id
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.bin/OLD/fauxstream
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.bin/OLD/fauxstream
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#!/bin/sh
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########
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# Copyright (c) 2018-2019 Thomas Frohwein <11335318+rfht@users.noreply.github.com>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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########
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############
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# TODO:
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############
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# - ADD OPTION TO SAVE MIC TO SEPARATE FILE (solene request)
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# - add mention of $DISPLAY variable for the recording?
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# - AFAIK '-preset ultrafast' is specific to libx264 and needs to be disabled
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# for use of other codecs
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# - get default framerate from xrandr? same for resolution - default to desktop
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# resolution?
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# - mention need to stop recording with Ctrl-C??
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# - add highpass=f=200,lowpass=f=3000
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# - document default resolution (if no window name provided) of 1920x1080
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# - document that if -n is not given, will default to root window
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# - document windowname (-n) needs to be in "" if multiple words
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# - document that window needs to be visible/on top
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# - link for finding twitch servers:
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# http://bashtech.net/twitch/ingest.php
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# - does -s option need to be in "" ? -> should not be needed
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# - document that compositor has negative effect on smoothness
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# - framerate 29 seems to be better than 30 in regads to Twitch stream health
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# - should be either resolution (-r) (+ offset (-o)), window name (-n), or fullscreen (-fullscreen)
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# -> should ideally default to geometry with default of 1280x720+0+0
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# - document '-m' turns on recording from mic
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# - '-m' currently uses hardcoded snd/0
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# - fix '-fullscreen' parameter (not working correctly)
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# - may not need as many 'thread_queue_size options, but definitely for the -f sndio inputs
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# - Cryptark crashes/hangs on this Ryzen 7 2700
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# - add '-s $OUTRES' ??
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# - -m and -noaudio should be mutually exclusive
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# - add man page
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###########
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###########
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# LESSONS LEARNED
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###########
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# - audio offset needs to be applied to the audio in the second ffmpeg,
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# right of the pipe. This clearly worked as opposed to left of the pipe
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# with Rogue Legacy recording at 900p 60fps.
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USAGE="Usage: `basename $0` [-m] [-d mic_device] [-a audiooffset] [-n window_name] [-c codec] [-b bitrate] [-r resolution] [-o offset] [-fullscreen] [-s <scale_x>:<scale_y>] [-f framerate] [-v volume_adjustment] [-vmic mic_volume] [-vmon monitor_volume] [-t threads ] [-noaudio] [-crf crf] <rtmp url>"
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# Parse arguments based on http://www.shelldorado.com/goodcoding/cmdargs.html
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audiooffset=0.0
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bitrate=3500
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bufsize=
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container=flv
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filename=
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framerate=30
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fullscreen=0
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gop=
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heightline=
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heightval=
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hilopass=",lowpass=3000,highpass=200,afftdn"
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mic=0
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mic_device=snd/0
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noaudio=0
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offset=
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resolution=1280x720
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scaleres=
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threads=0 # -t 0 is the default and uses as many threads as available/cores
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videocodec=libx264
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volume=1.0
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volume_mic=1.0
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volume_mon=1.0
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windowname=
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widthline=
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widthval=
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wininfoargs=
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xline=
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xval=0
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yline=
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yval=0
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# FIXME: set up getopt(1) use
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#args=`getopt abo: $*`
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#if [ $? -ne 0 ]
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#then
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#echo 'Usage: ...'
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#exit 2
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#fi
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#set -- $args
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#while [ $# -ne 0 ]
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#do
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#case "$1"
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#in
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#-a|-b)
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#flag="$1"; shift;;
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#-o)
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#oarg="$2"; shift; shift;;
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#--)
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#shift; break;;
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#esac
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#done
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if [[ $# -eq 0 ]];then
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echo $USAGE; exit 0
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fi
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while [[ $# -gt 0 ]]
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do
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case "$1" in
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-a) audiooffset="$2"; shift;;
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-b) bitrate="$2"; shift;;
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-c) videocodec="$2"; shift;;
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-container) container="$2"; shift;;
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-crf) crf="$2"; shift;;
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-d) mic_device="$2"; shift;;
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-f) framerate="$2"; shift;;
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-fullscreen) fullscreen=1;;
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-h) echo $USAGE; exit 0;;
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-hl) hilopass="";;
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-m) mic=1;;
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-n) windowname="$2"; shift;;
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-noaudio) noaudio=1;;
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-o) offset="$2"; shift;;
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-v) volume="$2"; shift;;
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-r) resolution="$2"; shift;;
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-s) scaleres="$2"; shift;;
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-t) threads="$2"; shift;;
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-vmic) volume_mic="$2"; shift;;
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-vmon) volume_mon="$2"; shift;;
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-) filename="$1"; break;;
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-?*) echo $USAGE; exit 0;;
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*) filename="$1"; break;;
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esac
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shift
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done
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if [[ -z "$filename" ]];then
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echo $USAGE; exit 0
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fi
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bufsize=`expr $bitrate \* 2`
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gop=`expr $framerate \* 2`
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if [[ -n "$scaleres" ]];then
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scaleres="scale=${scaleres},"
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fi
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# if -n was used, overwrite resolution with window parameters
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if [[ -n "$windowname" ]];then
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xline=`xwininfo -name "$windowname" | grep "Absolute upper-left X"`
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yline=`xwininfo -name "$windowname" | grep "Absolute upper-left Y"`
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widthline=`xwininfo -name "$windowname" | grep "Width:"`
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heightline=`xwininfo -name "$windowname" | grep "Height:"`
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xval=`echo "$xline" | cut -f 7 -d " "`
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yval=`echo "$yline" | cut -f 7 -d " "`
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# width and height need to be multiples of 2
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widthval=`echo "$widthline" | cut -f 4 -d " "`
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if [[ `expr $widthval % 2` -eq 1 ]]; then
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widthval=`expr $widthval + 1`
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fi
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heightval=`echo "$heightline" | cut -f 4 -d " "`
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if [[ `expr $heightval % 2` -eq 1 ]]; then
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heightval=`expr $heightval + 1`
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fi
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resolution="${widthval}x${heightval}"
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offset="+${xval},${yval}"
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fi
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echo "Press Ctrl+C to stop recording\n" >& 2
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BASE="\
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-hide_banner \
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-loglevel error \
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-thread_queue_size 512 \
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-threads $threads"
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VIDEO="-video_size $resolution \
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-thread_queue_size 512 \
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-f x11grab \
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-i $DISPLAY$offset \
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-r $framerate \
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-c:v $videocodec \
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-vb ${bitrate}k \
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-minrate ${bitrate}k \
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-maxrate ${bitrate}k \
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-bufsize ${bufsize}k \
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-preset ultrafast \
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-vf "${scaleres}format=yuv420p" \
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-g $gop \
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-keyint_min $framerate"
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AUDIOMERGE="volume=$volume_mic,aformat=channel_layouts=stereo$hilopass[l];[1]volume=$volume_mon,aformat=channel_layouts=stereo[m];[l][m]amix=inputs=2[a]"
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# if no mic (= no -m), only record from snd/0.mon
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# and the only filter is aresample=async=1
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if [ $noaudio -lt 1 -a $mic -lt 1 ]; then
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#only monitoring stream
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ffmpeg $BASE -f sndio -i snd/mon -c:a aac -f nut pipe:1 | \
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ffmpeg $BASE -f nut -itsoffset $audiooffset -i pipe:0 $VIDEO -c:a copy -f "${container}" "$filename"
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elif [ $noaudio -lt 1 ]; then
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#mon + mic stream
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ffmpeg $BASE -thread_queue_size 512 -f sndio -i "$mic_device" \
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-thread_queue_size 512 -f sndio -i snd/mon \
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-filter_complex "[0]${AUDIOMERGE}" -map '[a]' -c:a aac -f nut pipe:1 | \
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ffmpeg $BASE -thread_queue_size 512 -f nut -itsoffset $audiooffset -i pipe:0 $VIDEO -c:a copy -f "${container}" "$filename"
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else
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#no audio
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ffmpeg $BASE $VIDEO -f "${container}" "$filename"
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fi
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