109 lines
2.6 KiB
Bash
Executable File
109 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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defaultDevice=PCH
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start_jack() {
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internal_device_number=-1
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komplete_device_number=$(aplay -l | grep Vestax | cut -d":" -f1 | cut -d" " -f2)
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babyface_device_number=$(aplay -l | grep Babyface | cut -d":" -f1 | cut -d" " -f2)
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cmedia_device_number=$(aplay -l | grep C-Media | cut -d":" -f1 | cut -d" " -f2)
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h2n_device_number=$(aplay -l | grep H2n | cut -d":" -f1 | cut -d" " -f2)
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# this should be more readable some day
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if [[ $babyface_device_number == "" ]]; then
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if [[ $komplete_device_number == "" ]]; then
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if [[ $cmedia_device_number == "" ]]; then
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if [[ $h2n_device_number == "" ]]; then
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echo "use : default device"
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device_number=$internal_device_number
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else
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echo "use : h2n"
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device_number=$h2n_device_number
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fi
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else
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echo "use : c-media"
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device_number=$cmedia_device_number
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fi
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else
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echo "use : komplete"
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device_number=$komplete_device_number
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fi
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else
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echo "use : babyface"
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device_number=$babyface_device_number
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fi
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# device parameter configuration
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# ==============================
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#
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# to find configuration options do
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# jack_control dp
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if [[ $device_number -eq -1 ]]; then
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# we use alsa in reality, but pulse opens up all the pulse
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# sink and source stuff
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# jack_control ds pulse # not working for some reason
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jack_control ds alsa
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jack_control dps device hw:$defaultDevice
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else
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jack_control ds alsa
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jack_control dps device "hw:$device_number" # use usb card
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fi
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jack_control dps duplex True # record and playback ports
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jack_control dps hwmon False # no hardware monitoring
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jack_control dps rate 48000 # use cd sample rate
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# nperiods are the splitup of the
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# sound-ring-buffer. 2 are ok for internal cards
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# but for usb you should use 3 because
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# you can have to write in junks to the card
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# so there is one backup slice in the middle
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if [[ $internal_device_number -ne -1 ]]; then
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jack_control dps nperiods 3
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fi
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# engine parameter configuration
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# ==============================
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#
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# to find configuration options do
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# jack_control ep
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jack_control eps sync True
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# realtime kernel
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# set True for using a realtime kernel
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jack_control eps realtime False
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# set priority if realtime kernel is set True
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# jack_control eps realtime-priority 10
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jack_control start
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}
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stop_jack() {
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jack_control exit
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}
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status_jack() {
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jack_control dp
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jack_control ep
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jack_control status
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}
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case $1 in
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start)
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start_jack
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;;
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stop)
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stop_jack
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;;
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restart)
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stop_jack
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start_jack
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;;
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*)
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status_jack
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;;
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esac
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