* [PATCH] dtas-readahead: avoid polling on pause
@ 2015-09-23 20:15 Eric Wong
0 siblings, 0 replies; only message in thread
From: Eric Wong @ 2015-09-23 20:15 UTC (permalink / raw)
To: dtas-all
When a player is paused with nothing player, we will not waste CPU
time polling for the player to become available. It is wasteful
of processing power and battery life.
---
bin/dtas-readahead | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/bin/dtas-readahead b/bin/dtas-readahead
index f02bc35..798a5b4 100644
--- a/bin/dtas-readahead
+++ b/bin/dtas-readahead
@@ -190,12 +190,16 @@ begin
end
idx or break
cur = YAML.load(c.req('current'))
- cur['current'] or break
+ current = cur['current'] or break
+ end
+ if current
+ elapsed = DTAS.now - t0
+ p [:elapsed, elapsed]
+ timeout = 5 - elapsed
+ timeout = 0 if timeout < 0
+ else
+ timeout = nil
end
- elapsed = DTAS.now - t0
- p [:elapsed, elapsed]
- timeout = 5 - elapsed
- timeout = 0 if timeout < 0
r = wait_read(w, timeout)
p w.res_wait if r
rescue EOFError
--
EW
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2015-09-23 20:15 [PATCH] dtas-readahead: avoid polling on pause Eric Wong
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