105 lines
2.8 KiB
Lua
105 lines
2.8 KiB
Lua
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local utils = {}
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local function split(string_to_split, separator)
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if separator == nil then separator = "%s" end
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local t = {}
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for str in string.gmatch(string_to_split, "([^".. separator .."]+)") do
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table.insert(t, str)
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end
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return t
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end
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function utils.extract_sinks_and_sources(pacmd_output)
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local sinks = {}
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local sources = {}
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local device
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local properties
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local ports
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local in_sink = false
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local in_source = false
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local in_device = false
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local in_properties = false
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local in_ports = false
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for line in pacmd_output:gmatch("[^\r\n]+") do
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if string.match(line, 'source%(s%) available.') then
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in_sink = false
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in_source = true
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end
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if string.match(line, 'sink%(s%) available.') then
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in_sink = true
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in_source = false
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end
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if string.match(line, 'index:') then
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in_device = true
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in_properties = false
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device = {
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id = line:match(': (%d+)'),
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is_default = string.match(line, '*') ~= nil
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}
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if in_sink then
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table.insert(sinks, device)
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elseif in_source then
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table.insert(sources, device)
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end
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end
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if string.match(line, '^\tproperties:') then
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in_device = false
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in_properties = true
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properties = {}
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device['properties'] = properties
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end
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if string.match(line, 'ports:') then
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in_device = false
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in_properties = false
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in_ports = true
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ports = {}
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device['ports'] = ports
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end
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if string.match(line, 'active port:') then
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in_device = false
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in_properties = false
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in_ports = false
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device['active_port'] = line:match(': (.+)'):gsub('<',''):gsub('>','')
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end
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if in_device then
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local t = split(line, ': ')
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local key = t[1]:gsub('\t+', ''):lower()
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local value = t[2]:gsub('^<', ''):gsub('>$', '')
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device[key] = value
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end
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if in_properties then
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local t = split(line, '=')
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local key = t[1]:gsub('\t+', ''):gsub('%.', '_'):gsub('-', '_'):gsub(':', ''):gsub("%s+$", "")
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local value
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if t[2] == nil then
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value = t[2]
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else
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value = t[2]:gsub('"', ''):gsub("^%s+", ""):gsub(' Analog Stereo', '')
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end
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properties[key] = value
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end
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if in_ports then
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local t = split(line, ': ')
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local key = t[1]
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if key ~= nil then
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key = key:gsub('\t+', '')
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end
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ports[key] = t[2]
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end
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end
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return sinks, sources
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end
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return utils
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