From 3ebed4e4f7cda7da2af3a63a80aeecbec45514db Mon Sep 17 00:00:00 2001 From: dvs1 Date: Thu, 17 Oct 2024 20:46:35 +1000 Subject: Delete excess files, now I've combined them. --- jackscanall | 326 ------------------------------------------------------------ 1 file changed, 326 deletions(-) delete mode 100755 jackscanall (limited to 'jackscanall') diff --git a/jackscanall b/jackscanall deleted file mode 100755 index 24d87df..0000000 --- a/jackscanall +++ /dev/null @@ -1,326 +0,0 @@ -#!/usr/bin/env luajit - ---[[ -This is part of the JackOnAllDevices project, JOAD for short. - -The purpose is to scan for all ALSA / asound audio devices, and hook them -all up to JACK. Then it starts up JACK, and hooks up any joysticks it -finds as MIDI controllers. - - -Alas ~/.asoundrc doesn't understand ~ or $HOME, or even "try the current -directory" it seems. So you have to hard cade the path. Make sure your -~/.asoundrc or /etc/asoundrc includes something like this - - - - - -Run this once as root to create that file, and each time you need to -change your devices. - - -TODO - Leave it running, and hotplug ALSA / asound audio devices. - a2jmidid takes care of hotplugging MIDI devices. - Though I think I still need to deal with hotplugged joysticks. - -NOTE - Seems both ALSA and JACK are per user. - -]] - - --- CHANGE these to suit. -local asoundrcPath = '/var/lib/JOAD' -local asoundrc = 'asoundrc' - - - --- This APT stuff was copied from apt-panopticon. -local APT = {} - -APT.readCmd = function(cmd) - local result = {} - local output = io.popen(cmd) - if nil ~= output then - for l in output:lines() do - table.insert(result, l) - end - end - return result -end - - -APT.exe = function(c) - local exe = {status = 0, result = '', lines = {}, log = true, cmd = c .. ' ', command = c} - - function exe:log() - self.log = true - return self - end - function exe:Nice(c) - if nil == c then - self.cmd = 'ionice -c3 nice -n 19 ' .. self.cmd - else - self.cmd = self.cmd .. 'ionice -c3 nice -n 19 ' .. c .. ' ' - end - return self - end - function exe:timeout(c) - -- timeout returns a status of - command status if --preserve-status; "128+9" (actually 137) if --kill-after ends up being done; 124 if it had to TERM; command status if all went well. - -- --kill-after means "send KILL after TERM fails. - if nil == c then - self.cmd = 'timeout --kill-after=10.0 --foreground 42.0s ' .. self.cmd - else - self.cmd = 'timeout --kill-after=10.0 --foreground ' .. c .. ' ' .. self.cmd - end - return self - end - function exe:also(c) - if nil == c then c = '' else c = ' ' .. c end - self.cmd = self.cmd .. ';' .. c .. ' ' - return self - end - function exe:And(c) - if nil == c then c = '' else c = ' ' .. c end - self.cmd = self.cmd .. '&&' .. c .. ' ' - return self - end - function exe:Or(c) - if nil == c then c = '' end - self.cmd = self.cmd .. '|| ' .. c .. ' ' - return self - end - function exe:noErr() - self.cmd = self.cmd .. '2>/dev/null ' - return self - end - function exe:wait(w) - self.cmd = self.cmd .. '&& touch ' .. w .. ' ' - return self - end - function exe:Do() - --[[ "The condition expression of a control structure can return any - value. Both false and nil are considered false. All values different - from nil and false are considered true (in particular, the number 0 - and the empty string are also true)." - says the docs, I beg to differ.]] - if true == self.log then D(" executing -   " .. self.cmd .. "") end - --[[ Damn os.execute() - Lua 5.1 says it returns "a status code, which is system-dependent" - Lua 5.2 says it returns true/nil, "exit"/"signal", the status code. - I'm getting 7168 or 0. No idea what the fuck that is. - local ok, rslt, status = os.execute(s) - ]] - local f = APT.readCmd(self.cmd, 'r') - -- The last line will be the command's returned status, collect everything else in result. - self.status = '' -- Otherwise the result starts with 0. - self.result = '\n' - self.lines = f - for i,l in ipairs(f) do - self.result = self.result .. l .. "\n" - end - f = APT.readCmd('echo "$?"', 'r') - for i,l in ipairs(f) do - self.status = tonumber(l) - if (137 == self.status) or (124 == self.status) then - print("timeout killed " .. self.status .. ' ' .. self.command) - E("timeout killed " .. self.status .. ' ' .. self.command) - elseif (0 ~= self.status) then - print("status |" .. self.status .. '| ' .. self.command) - E("status |" .. self.status .. '| ' .. self.command) - end - end - return self - end - function exe:fork(host) - if nil ~= host then self.cmd = self.cmd .. '; r=$?; if [ $r -ge 124 ]; then echo "$r ' .. host .. ' failed forked command ' .. string.gsub(self.cmd, '"', "'") .. '"; fi' end - self.cmd = '{ ' .. self.cmd .. '; } &' - if true == self.log then D(" forking -   " .. self.cmd .. "") end - os.execute(self.cmd) - return self - end - return exe -end - - - -local Cards = {} - -print('Scanning for audio devices.') -local cards = APT.exe('ls -d1 /proc/asound/card[0-9]*'):noErr():Do() -for i,l in ipairs(cards.lines) do - local f, e = io.open(l .. '/id', "r") - if nil == f then print("Could not open " .. l .. '/id') else - Cards[l] = {path = l, name = f:read("*a"):sub(1, -2), devs = {}, captureDevs = {}, playbackDevs = {}} - if "Loopback" ~= Cards[l]['name'] then - Cards[l]['capture'] = APT.exe('ls -d1 ' .. l .. '/pcm[0-9]*c*'):noErr():Do() - for j,c in ipairs(Cards[l]['capture'].lines) do - local n = c:match(".*pcm(%d+).*") - Cards[l]['captureDevs'][j] = n - Cards[l]['devs'][n] = n - print("\tFound capture device: " .. Cards[l]['name'] .. "\tDEVICE: " .. Cards[l]['captureDevs'][j] .. ' ' .. n) - end - Cards[l]['playback'] = APT.exe('ls -d1 ' .. l .. '/pcm[0-9]*p*'):noErr():Do() - for j,p in ipairs(Cards[l]['playback'].lines) do - local n = p:match(".*pcm(%d+).*") - Cards[l]['playbackDevs'][j] = n - Cards[l]['devs'][n] = n - print("\tFound playback device: " .. Cards[l]['name'] .. "\tDEVICE: " .. Cards[l]['playbackDevs'][j] .. ' ' .. n) - end - end - end -end - -APT.exe('mkdir -p ' .. asoundrcPath):Do() -local a, e = io.open(asoundrcPath .. '/' .. asoundrc, "w") -if nil == a then print("Could not open " .. asoundrcPath .. '/' .. asoundrc) else - for i,C in pairs(Cards) do - for j,c in pairs(C['devs']) do - a:write("pcm." .. C['name'] .. j .. " {\n") - a:write(" type hw\n") - a:write(" card " .. C['name'] .. "\n") - a:write(" device " .. C['devs'][j] .. "\n") - a:write("}\n") - a:write("ctl." .. C['name'] .. j .. " {\n") - a:write(" type hw\n") - a:write(" card " .. C['name'] .. "\n") - a:write(" device " .. C['devs'][j] .. "\n") - a:write("}\n\n") - end - end - a:write([[ -################################################################################################################################# - -# The complex way - https://alsa.opensrc.org/Jack_and_Loopback_device_as_Alsa-to-Jack_bridge - -# More custom version, but it didn't work for me. -# hardware 0,0 : used for ALSA playback -#pcm.loophw00 { -# type hw -# card Loopback -# device 0 -# subdevice 0 -# format S32_LE -# rate 48000 -#} - -# playback PCM device: using loopback subdevice 0,0 -# Don't use a buffer size that is too small. Some apps -# won't like it and it will sound crappy - -#pcm.amix { -# type dmix -# ipc_key 219345 -# slave { -# pcm loophw00 -## period_size 4096 -## periods 2 -# } -#} - -# software volume -#pcm.asoftvol { -# type softvol -# slave.pcm "amix" - -# control { name PCM } - -# min_dB -51.0 -# max_dB 0.0 -#} - - -# for jack alsa_in: looped-back signal at other ends -#pcm.cloop { -# type hw -# card Loopback -# device 1 -# subdevice 0 -# format S32_LE -# rate 48000 -#} - -# hardware 0,1 : used for ALSA capture -#pcm.loophw01 { -# type hw -# card Loopback -# device 0 -# subdevice 1 -# format S32_LE -# rate 48000 -#} - -# for jack alsa_out: looped-back signal at other end -#pcm.ploop { -# type hw -# card Loopback -# device 1 -# subdevice 1 -# format S32_LE -# rate 48000 -#} - -# duplex device combining our PCM devices defined above -#pcm.aduplex { -# type asym -# playback.pcm "asoftvol" -# capture.pcm "loophw01" -#} - -# default device -#pcm.!default { -# type plug -# slave.pcm aduplex - -# hint { -# show on -# description "Duplex Loopback" -# } -#} - - - -# Generic method seems to work better. -# playback PCM device: using loopback subdevice 0,0 -pcm.amix { - type dmix - ipc_key 219345 - slave.pcm "hw:Loopback,0,0" -} - -# capture PCM device: using loopback subdevice 0,1 -pcm.asnoop { - type dsnoop - ipc_key 219346 - slave.pcm "hw:Loopback,0,1" -} - -# duplex device combining our PCM devices defined above -pcm.aduplex { - type asym - playback.pcm "amix" - capture.pcm "asnoop" -} - -# ------------------------------------------------------ -# for jack alsa_in and alsa_out: looped-back signal at other ends -pcm.ploop { - type plug - slave.pcm "hw:Loopback,1,1" -} - -pcm.cloop { - type dsnoop - ipc_key 219348 - slave.pcm "hw:Loopback,1,0" -} - -# ------------------------------------------------------ -# default device - -pcm.!default { - type plug - slave.pcm "aduplex" -} - ]]) -a:close() -end -- cgit v1.1