Update 2024-02-14 07:51 OpenBSD/amd64-x13

.bin/OLD/rec_scr_huff

@@ -0,0 +1,46 @@
+#!/bin/sh
+set -e
+
+_vidfile="/home/sdk/rec-screen.mkv"
+_outfile="/home/sdk/rec-encoded-$(date "+%Y%m%d_%H%M%S").mp4"
+
+_res="1920x1080"
+_fps="30"
+
+_mon_dev="snd/mon"
+_mic_dev="snd/default"
+
+_mon_in="-thread_queue_size 16  -use_wallclock_as_timestamps 1 -f sndio -i ${_mon_dev}"
+_mon_proc="-c:a pcm_s16le"
+
+_mic_in="-thread_queue_size 16 -use_wallclock_as_timestamps 1 -f sndio -i ${_mic_dev}"
+_mic_proc="-af pan='stereo|c0=FL|c1=FL' -c:a pcm_s16le"
+
+_vid_in="-framerate ${_fps} -f x11grab -i :0.0"
+_vid_proc="-qscale 0 -c:v huffyuv -framerate ${_fps}"
+
+_ffmpeg_param="${_vid_in} ${_mic_in} ${_mon_in} -map 0:v ${_vid_proc} -map 1:a ${_mic_proc} -map 2:a ${_mon_proc}"
+
+printf 'Press q to stop.\n'
+set -x
+ffmpeg -y -loglevel error -hide_banner ${_ffmpeg_param} "${_vidfile}"
+set +x
+
+# with audio?
+[ "$1" == "-a" ] \
+    && _audio_encode_param="-filter_complex amix=inputs=2,stereotools=phase=5,compand=attacks=0:points=-80/-115|-35.1/-80|-35/-35|20/20 -c:a aac -b:a 160k"
+
+printf 'Encoding...\n'
+set -x
+ffmpeg -hide_banner -y \
+    -i "${_vidfile}" \
+    -c:v libx264 \
+    -crf 28 \
+    -s ${_res} \
+    -preset veryfast \
+    -movflags faststart \
+    -threads 12 \
+    ${_audio_encode_param} \
+    "${_outfile}"
+set +x
+printf '%s\n' "${_outfile}"