37 lines
1.0 KiB
Plaintext
37 lines
1.0 KiB
Plaintext
|
#!/bin/sh
|
||
|
# This took me far too long to figure out how to do but
|
||
|
# I think I've learned a lot from it. What a great exercise!
|
||
|
# These comments are for my future-self and whomever else.
|
||
|
# -- Siina, 2020.11.09
|
||
|
#
|
||
|
# Requirements:
|
||
|
# - alsa-utils
|
||
|
# - libv4l (brought in by USE=v4l)
|
||
|
# - mpv
|
||
|
#
|
||
|
# Tools I used to figure this shit out
|
||
|
# - arecord, aplay
|
||
|
# - ffmpeg
|
||
|
# - lspci
|
||
|
# - Lots of searching through ancient fragments of the 'net
|
||
|
#
|
||
|
# TODO:
|
||
|
# - Capture and retry to connect audio
|
||
|
|
||
|
# Set our device to 1080p otherwise it defaults to 480p
|
||
|
v4l2-ctl --set-fmt-video=width=1920,height=1080
|
||
|
|
||
|
# Connect to capture card and display captured images immediately
|
||
|
# Send to background so we can initiate the loop below
|
||
|
mpv 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
|
||
|
alsaloop -C hw:2,0 -P hw:1,0
|
||
|
|
||
|
# Let's exit this shit when done
|
||
|
exit
|