[ 
http://dev.sourcefabric.org/browse/LS-646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=29649#action_29649
 ] 

Samuel Mimram commented on LS-646:
----------------------------------

Well I think I investigated this quite in details (as explained above) and I 
don't see any other solution... The problem is that the default parameter for 
opening files in read-only is not propagated to high-level functions. A 
temporary solution would be to apply the following patch (untested...) to taglib

diff --git a/taglib/toolkit/tfilestream.h b/taglib/toolkit/tfilestream.h
index fa113b7..397ed26 100644
--- a/taglib/toolkit/tfilestream.h
+++ b/taglib/toolkit/tfilestream.h
@@ -52,7 +52,7 @@ namespace TagLib {
      * Construct a File object and opens the \a file.  \a file should be a
      * be a C-string in the local file system encoding.
      */
-    FileStream(FileName file, bool openReadOnly = false);
+    FileStream(FileName file, bool openReadOnly = true);
 
     /*!
      * Destroys this FileStream instance.


> Have taglib open files in read-only mode
> ----------------------------------------
>
>                 Key: LS-646
>                 URL: http://dev.sourcefabric.org/browse/LS-646
>             Project: Liquidsoap
>          Issue Type: Bug
>          Components: ocaml-taglib
>            Reporter: Samuel Mimram
>
> Martin reported this bug on the ML:
> I have the following command line :
> liquidsoap -c "output.dummy(audio_to_stereo(single('avicii.mp3')))"
> and simple c program that uses inotify to monitor accesses to a directory 
> (available here: 
> http://darkeside.blogspot.ca/2007/12/linux-inotify-example.html)
> This is all a very simple test environment set up to recreate what we are 
> currently experiencing.
> So whenever I run the above Liquidsoap command, the inotify program reports 
> the file was opened in read/write mode. If I take away write permissions on 
> this file, then Liquidsoap opens it in read mode.
> This opening in write mode is a problem for us, because we are listening for 
> these events with our media-monitor to ensure the file's metadata are in sync 
> with Airtime's database, and introduces a few complications 
> (http://dev.sourcefabric.org/browse/CC-4343). 
> Is there a reason for this behaviour, or can we change it?
> Martin
> P.S. Sorry for the possibly overly-verbose email :)

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