#286: rewrite_metadata hangs script when used in conjunction with noise source
---------------------------+------------------------------------------------
 Reporter:  romeodeepmind  |       Owner:  admin      
     Type:  Bugs           |      Status:  new        
 Priority:  1              |   Milestone:  NEAR FUTURE
Component:  Liquidsoap     |     Version:  0.9.0+svn  
 Keywords:                 |         Mac:  1          
    Linux:  1              |      Netbsd:  1          
    Other:  1              |     Freebsd:  1          
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 Hi, Savonet Team!

 i would like to use noise signal on my radio when it is under maintenance
 and put a metadata on a stream that shows there is no signal at the
 moment. i used this script to generate such metadata
 {{{
 ...
 noiseInput = noise(id="noise")
 noiseInput = amplify(id="noiseAmp", 0.05, noiseInput)
 noiseInput = rewrite_metadata([("title","no signal")], noiseInput)
 ...
 }}}
 in case when i use rewrite_metadata liquidsoap starts updating metadata
 several times per second and it leads to a script hang or laggy sound and
 hi CPU consumption.
 my logs says
 {{{
 ...
 2009/05/24 04:43:24 [root:2] We must catchup 26.44 seconds!
 2009/05/24 04:43:24 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:24 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:25 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:25 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:25 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:25 [root:2] We must catchup 27.24 seconds!
 2009/05/24 04:43:25 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:25 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:26 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:26 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:26 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:26 [src_4773:3] Inserting missing metadata.
 2009/05/24 04:43:26 [root:2] We must catchup 28.21 seconds!
 2009/05/24 04:43:26 [src_4773:3] Inserting missing metadata.
 ...
 }}}

-- 
Ticket URL: <http://savonet.rastageeks.org/ticket/286>
Savonet <http://savonet.rastageeks.org/>
Let's program our stream !
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