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Implemented naive tracking of PIDs to close mpv+alsaloop

This commit is contained in:
Siina Mashek 2020-12-02 05:19:20 +02:00
parent 2efa2690d0
commit 34bcc9c5c1
1 changed files with 11 additions and 8 deletions
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19
bin/capturecard
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@ -16,21 +16,24 @@
# - Lots of searching through ancient fragments of the 'net # - Lots of searching through ancient fragments of the 'net
# #
# TODO: # TODO:
# - Capture and retry to connect audio # - Capture the exact PIDs of the launched mpv / alsaloop to prevent
# shutting down any other loops / mpv that happen to be open
# Set our device to 1080p otherwise it defaults to 480p # Set our device to 1080p otherwise it defaults to 480p
v4l2-ctl --set-fmt-video=width=1920,height=1080 v4l2-ctl --set-fmt-video=width=1920,height=1080
# Connect to capture card and display captured images immediately # Connect to capture card and display captured images immediately
# Send to background so we can initiate the loop below # Send to background so we can initiate the loop below
mpv av://v4l2:/dev/video0 --profile=low-latency --untimed & mpv --title="Capture Card" av://v4l2:/dev/video0 --profile=low-latency --untimed &
# audio can't connect until video is established due to a constant
# powercycle when inactive, likely due to lack of proper driver
sleep 3
# Run a loop for the capture card digital audio to be sent to my desktop audio # Run a loop for the capture card digital audio to be sent to my desktop audio
alsaloop -C hw:2,0 -P hw:1,0 alsaloop -C hw:2,0 -P hw:1,0 &
# Let's exit this shit when done # Watch for mpv to exit
while pgrep -f mpv >/dev/null; do
continue
done
# Kill the alsaloop when mpv exits, then terminate this script
kill -9 $(pgrep -f alsaloop)
exit exit