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mpv: sane-sysvol: optimize

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Colin
2024-04-09 06:54:32 +00:00
parent b9e107510d
commit c37e94493f
1 changed files with 10 additions and 12 deletions
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22
hosts/common/programs/mpv/sane-sysvol/main.lua
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@@ -3,7 +3,7 @@ msg.trace('sane-sysvol: load: begin')
non_blocking_popen = require("non_blocking_popen")
RD_SIZE = 4096
RD_SIZE = 65536
function startswith(superstring, substring)
return superstring:sub(1, substring:len()) == substring
@@ -104,6 +104,7 @@ function pwmon_parser_new()
in_mute = false,
feed_line = function(self, line)
msg.trace("pw-mon:", line)
line = ltrim(line)
if startswith(line, "changed:") or startswith(line, "added:") or startswith(line, "removed:") then
self.changed_id = nil
@@ -184,8 +185,15 @@ function pwmon_new()
msg.debug("pw-mon unexpectedly closed!")
end
if buf ~= nil then
local old_vol = self.pwmon_parser:get_effective_volume()
self.stdout_unparsed = self.stdout_unparsed .. buf
self:consume_stdout()
local new_vol = self.pwmon_parser:get_effective_volume()
if new_vol ~= old_vol then
msg.debug("pipewire volume change:", old_vol, new_vol)
mp.set_property_native("user-data/sane-sysvol/pw-mon-volume", new_vol)
end
end
end,
consume_stdout = function(self)
@@ -193,22 +201,12 @@ function pwmon_new()
while next_newline ~= nil do
next_newline = self.stdout_unparsed:find("\n", idx_newline + 1, true)
if next_newline ~= nil then
self:ingest_line(self.stdout_unparsed:sub(idx_newline + 1, next_newline - 1))
self.pwmon_parser:feed_line(self.stdout_unparsed:sub(idx_newline + 1, next_newline - 1))
idx_newline = next_newline
end
end
self.stdout_unparsed = self.stdout_unparsed:sub(idx_newline + 1)
end,
ingest_line = function(self, line)
msg.trace("pw-mon:", line)
local old_vol = self.pwmon_parser:get_effective_volume()
self.pwmon_parser:feed_line(line)
local new_vol = self.pwmon_parser:get_effective_volume()
if new_vol ~= old_vol then
msg.debug("pipewire volume change:", old_vol, new_vol)
mp.set_property_native("user-data/sane-sysvol/pw-mon-volume", new_vol)
end
end
}
end