[SCM] libav/experimental: Document url_filesize().

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit f3f5eb6e70f46fb2f0c06efed198b31a72ee1f29
Author: Stefano Sabatini <stefano.sabatini-lala at poste.it>
Date:   Thu Sep 30 10:55:08 2010 +0000

    Document url_filesize().
    
    Originally committed as revision 25268 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavformat/avio.h b/libavformat/avio.h
index a33a7d9..1e97357 100644
--- a/libavformat/avio.h
+++ b/libavformat/avio.h
@@ -165,6 +165,11 @@ int url_close(URLContext *h);
  */
 int url_exist(const char *url);
 
+/**
+ * Return the filesize of the resource accessed by h, AVERROR(ENOSYS)
+ * if the operation is not supported by h, or another negative value
+ * corresponding to an AVERROR error code in case of failure.
+ */
 int64_t url_filesize(URLContext *h);
 
 /**

-- 
Libav/FFmpeg packaging