ryanrs fucked around with this message at 16:32 on Apr 30, 2024

Beeftweeter fucked around with this message at 00:22 on May 1, 2024

FlapYoJacks fucked around with this message at 00:42 on May 1, 2024

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ryanrs fucked around with this message at 06:57 on May 2, 2024

• is capable of using interrupts during state changes to eliminate polling
  
• has well-written drivers that take interrupts into account
  

echo "446" > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio446/direction
echo "0" > /sys/class/gpio/gpio446/value

GPIO_BASE=$(cat /sys/class/gpio/gpiochip*/base | head -n 1)
GPIO_POE=$((GPIO_BASE+34))
echo $GPIO_POE >/sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio$GPIO_POE/direction
echo "0" > /sys/class/gpio/gpio$GPIO_POE/value

ryanrs fucked around with this message at 16:22 on May 2, 2024

#find audio tracks in mp4 files, convert if needed and save as m4a

for file in *.mp4; do

if [[ -e "${file%.*}.m4a" ]]; then printf "${file} already exists with m4a container\n"; continue; fi

format=$(ffprobe -show_streams -select_streams a "${file}" 2>/dev/null | grep -m 1 codec_type | cut -d "=" -f2-)
codec=$(ffprobe -show_streams -select_streams a "${file}" 2>/dev/null | grep -m 1 codec_name | cut -d "=" -f2-)

if [ -z "${format}" ]; then printf "${file} does not contain an audio track\n"; continue; fi

if [[ "${format}" = "audio" && "${codec}" != "aac" ]]; then
	printf "${file%.*} audio track needs to be re-encoded\n";
	ffmpeg -i "${file}" -vn -c:a aac -b:a 192k "${file%.*}.m4a"
	if [ $? -eq 0 ]; then rm "${file}"; else printf "ffmpeg did not exit cleanly, keeping original\n"; fi
else
	printf "aac track already exists, setting mp4 container brand to m4a\n"
	ffmpeg -i "${file}" -vn -c:a copy "${file%.*}.m4a"
	if [ $? -eq 0 ]; then rm "${file}"; else printf "ffmpeg did not exit cleanly, keeping original\n"; fi
fi

done

Beeftweeter fucked around with this message at 19:35 on May 2, 2024