Overview: Add new slides, powered by dia.

This replaces the skencil file by a dia source file which contains
several overview slides.  Makefile and .gitignore are adjusted
accordingly.

diff --git a/.gitignore b/.gitignore
index 9091a9c28965ffa90a4ea588f1a767b05831eb5c..d340f2075c05f99ad6b8a3ccb85dd4f293fbcc19 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -17,7 +17,7 @@ TODO
 *_command_list.h
 *_command_list.man
 paraslash-git.tar.bz2
-skencil/overview.pdf
+web/dia/overview.pdf
 *.swp
 error2.h
 web_sync

diff --git a/Makefile.in b/Makefile.in
index f3dfea0065c31a564156000d0b1842eedc24e6c7..299c38f1edfd4d02dca3647a1d3dc8065bf6dc5b 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -86,8 +86,7 @@ man_pages := $(patsubst %, $(man_dir)/%.1, @executables@)
 autocrap := config.h.in configure
 tarball_pfx := @PACKAGE_TARNAME@-$(PACKAGE_VERSION)
 tarball_delete := $(addprefix $(tarball_pfx)/,\
-       web .changelog_before_cvs .changelog_cvs .gitignore\
-       skencil)
+       web .changelog_before_cvs .changelog_cvs .gitignore)
 tarball := @PACKAGE_TARNAME@-$(PACKAGE_VERSION).tar.bz2
 
 # To put more focus on warnings, be less verbose as default
@@ -304,9 +303,7 @@ distclean: clean2 test-clean
        $(Q) rm -f GPATH GRTAGS GSYMS GTAGS
 
 maintainer-clean: distclean
-       rm -f *.tar.bz2 \
-               config.h configure \
-               config.h.in skencil/*.pdf skencil/*.ps
+       rm -f *.tar.bz2 config.h configure config.h.in
        rm -rf web_sync
 
 install: all man

diff --git a/skencil/overview.sk b/skencil/overview.sk
deleted file mode 100644 (file)
index 5ab648c..0000000
--- a/skencil/overview.sk
+++ /dev/null
@@ -1,474 +0,0 @@
-##Sketch 1 2
-document()
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diff --git a/web/dia/overview.dia b/web/dia/overview.dia
new file mode 100644 (file)
index 0000000..d056dfd
--- /dev/null
+++ b/web/dia/overview.dia
@@ -0,0 +1,3806 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<dia:diagram xmlns:dia="http://www.lysator.liu.se/~alla/dia/">
+  <dia:diagramdata>
+    <dia:attribute name="background">
+      <dia:color val="#ffffff"/>
+    </dia:attribute>
+    <dia:attribute name="pagebreak">
+      <dia:color val="#000099"/>
+    </dia:attribute>
+    <dia:attribute name="paper">
+      <dia:composite type="paper">
+        <dia:attribute name="name">
+          <dia:string>#A4#</dia:string>
+        </dia:attribute>
+        <dia:attribute name="tmargin">
+          <dia:real val="2.8222000598907471"/>
+        </dia:attribute>
+        <dia:attribute name="bmargin">
+          <dia:real val="2.8222000598907471"/>
+        </dia:attribute>
+        <dia:attribute name="lmargin">
+          <dia:real val="2.8222000598907471"/>
+        </dia:attribute>
+        <dia:attribute name="rmargin">
+          <dia:real val="2.8222000598907471"/>
+        </dia:attribute>
+        <dia:attribute name="is_portrait">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+        <dia:attribute name="scaling">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="fitto">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+      </dia:composite>
+    </dia:attribute>
+    <dia:attribute name="grid">
+      <dia:composite type="grid">
+        <dia:attribute name="width_x">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="width_y">
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="visible_x">
+          <dia:int val="1"/>
+        </dia:attribute>
+        <dia:attribute name="visible_y">
+          <dia:int val="1"/>
+        </dia:attribute>
+        <dia:composite type="color"/>
+      </dia:composite>
+    </dia:attribute>
+    <dia:attribute name="color">
+      <dia:color val="#d8e5e5"/>
+    </dia:attribute>
+    <dia:attribute name="guides">
+      <dia:composite type="guides">
+        <dia:attribute name="hguides"/>
+        <dia:attribute name="vguides"/>
+      </dia:composite>
+    </dia:attribute>
+  </dia:diagramdata>
+  <dia:layer name="Background" visible="true" active="true">
+    <dia:object type="Standard - Text" version="1" id="O0">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.13505,-23.1314"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.13505,-23.7689;2.80255,-22.9964"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Overview#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.13505,-23.1314"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O1">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.1367,0.8291"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.1367,0.1916;3.5492,0.9641"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#para_server#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.1367,0.8291"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O2">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.225,9.8561"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.225,9.4636;15.1325,14.88"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Incoming connections arrive via TCP at the dispatcher which creates a command
+handler process for each connection.
+
+After the connecting client has been authenticated, the command handler propagates
+the incoming request either to the audio file selector (afs) or to the virtual streaming
+system (vss). Results are sent back to the client.
+
+afs maintans the audio file database and  is responsible for selecting and loading
+audio files while vss controls the paraslash senders. When vss needs to stream an
+audio file it requests an open file descriptor from afs and feeds small chunks of data
+(e.g. mp3 frames) to the senders which send the chunks to all connected clients.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.225,9.8561"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O3">
+      <dia:attribute name="obj_pos">
+        <dia:point val="3.1702,14.0975"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="3.1702,13.46;3.1702,14.2325"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="3.1702,14.0975"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:group>
+      <dia:object type="Network - Bus" version="0" id="O4">
+        <dia:attribute name="obj_pos">
+          <dia:point val="6.3534,2.3542"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="3.58996,2.30409;11.989,6.1401"/>
+        </dia:attribute>
+        <dia:attribute name="conn_endpoints">
+          <dia:point val="6.3534,2.3542"/>
+          <dia:point val="11.9389,2.3663"/>
+        </dia:attribute>
+        <dia:attribute name="line_color">
+          <dia:color val="#000000"/>
+        </dia:attribute>
+        <dia:attribute name="bus_handles">
+          <dia:point val="5.21003,3.2968"/>
+          <dia:point val="3.6399,2.3744"/>
+          <dia:point val="7.88141,3.2968"/>
+          <dia:point val="10.175,6.1401"/>
+          <dia:point val="8.83832,3.44756"/>
+          <dia:point val="6.9245,3.44756"/>
+        </dia:attribute>
+        <dia:connections>
+          <dia:connection handle="2" to="O9" connection="11"/>
+          <dia:connection handle="4" to="O10" connection="11"/>
+          <dia:connection handle="5" to="O12" connection="11"/>
+          <dia:connection handle="6" to="O10" connection="3"/>
+          <dia:connection handle="7" to="O10" connection="6"/>
+        </dia:connections>
+      </dia:object>
+      <dia:object type="Standard - Line" version="0" id="O5">
+        <dia:attribute name="obj_pos">
+          <dia:point val="5.21006,6.4287"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="5.16003,5.6082;5.26006,6.4787"/>
+        </dia:attribute>
+        <dia:attribute name="conn_endpoints">
+          <dia:point val="5.21006,6.4287"/>
+          <dia:point val="5.21003,5.6582"/>
+        </dia:attribute>
+        <dia:attribute name="numcp">
+          <dia:int val="1"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:connections>
+          <dia:connection handle="0" to="O13" connection="11"/>
+          <dia:connection handle="1" to="O8" connection="1"/>
+        </dia:connections>
+      </dia:object>
+      <dia:object type="Standard - ZigZagLine" version="1" id="O6">
+        <dia:attribute name="obj_pos">
+          <dia:point val="4.0215,3.74907"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="3.4702,3.69907;11.8875,8.4582"/>
+        </dia:attribute>
+        <dia:attribute name="orth_points">
+          <dia:point val="4.0215,3.74907"/>
+          <dia:point val="3.5202,3.74907"/>
+          <dia:point val="3.5202,8.4082"/>
+          <dia:point val="11.8375,8.4082"/>
+          <dia:point val="11.8375,6.88101"/>
+          <dia:point val="11.3172,6.88101"/>
+        </dia:attribute>
+        <dia:attribute name="orth_orient">
+          <dia:enum val="0"/>
+          <dia:enum val="1"/>
+          <dia:enum val="0"/>
+          <dia:enum val="1"/>
+          <dia:enum val="0"/>
+        </dia:attribute>
+        <dia:attribute name="autorouting">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:connections>
+          <dia:connection handle="0" to="O9" connection="8"/>
+          <dia:connection handle="1" to="O12" connection="5"/>
+        </dia:connections>
+      </dia:object>
+      <dia:object type="Standard - ZigZagLine" version="1" id="O7">
+        <dia:attribute name="obj_pos">
+          <dia:point val="10.175,7.62192"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="5.16006,7.28325;10.225,8.0832"/>
+        </dia:attribute>
+        <dia:attribute name="orth_points">
+          <dia:point val="10.175,7.62192"/>
+          <dia:point val="10.175,8.0332"/>
+          <dia:point val="5.21006,8.0332"/>
+          <dia:point val="5.21006,7.33325"/>
+        </dia:attribute>
+        <dia:attribute name="orth_orient">
+          <dia:enum val="1"/>
+          <dia:enum val="0"/>
+          <dia:enum val="1"/>
+        </dia:attribute>
+        <dia:attribute name="autorouting">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:connections>
+          <dia:connection handle="0" to="O12" connection="2"/>
+          <dia:connection handle="1" to="O13" connection="2"/>
+        </dia:connections>
+      </dia:object>
+      <dia:object type="Network - Storage" version="1" id="O8">
+        <dia:attribute name="obj_pos">
+          <dia:point val="4.7175,4.4993"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="4.6675,4.4493;5.75257,6.53328"/>
+        </dia:attribute>
+        <dia:attribute name="meta">
+          <dia:composite type="dict"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="4.7175,4.4993"/>
+        </dia:attribute>
+        <dia:attribute name="elem_width">
+          <dia:real val="0.9850649999999993"/>
+        </dia:attribute>
+        <dia:attribute name="elem_height">
+          <dia:real val="1.1588999999999992"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:attribute name="line_colour">
+          <dia:color val="#000000"/>
+        </dia:attribute>
+        <dia:attribute name="fill_colour">
+          <dia:color val="#cccccc"/>
+        </dia:attribute>
+        <dia:attribute name="show_background">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+        <dia:attribute name="line_style">
+          <dia:enum val="0"/>
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="padding">
+          <dia:real val="0.10000000000000001"/>
+        </dia:attribute>
+        <dia:attribute name="text">
+          <dia:composite type="text">
+            <dia:attribute name="string">
+              <dia:string>##</dia:string>
+            </dia:attribute>
+            <dia:attribute name="font">
+              <dia:font family="sans" style="0" name="Helvetica"/>
+            </dia:attribute>
+            <dia:attribute name="height">
+              <dia:real val="0.80010001542891407"/>
+            </dia:attribute>
+            <dia:attribute name="pos">
+              <dia:point val="5.21003,6.29828"/>
+            </dia:attribute>
+            <dia:attribute name="color">
+              <dia:color val="#000000"/>
+            </dia:attribute>
+            <dia:attribute name="alignment">
+              <dia:enum val="1"/>
+            </dia:attribute>
+          </dia:composite>
+        </dia:attribute>
+        <dia:attribute name="flip_horizontal">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="flip_vertical">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="subscale">
+          <dia:real val="1"/>
+        </dia:attribute>
+      </dia:object>
+      <dia:object type="BPMN - Task" version="1" id="O9">
+        <dia:attribute name="obj_pos">
+          <dia:point val="4.0215,3.2968"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="3.9715,3.2468;6.44856,4.25135"/>
+        </dia:attribute>
+        <dia:attribute name="meta">
+          <dia:composite type="dict"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="4.0215,3.2968"/>
+        </dia:attribute>
+        <dia:attribute name="elem_width">
+          <dia:real val="2.377058825107182"/>
+        </dia:attribute>
+        <dia:attribute name="elem_height">
+          <dia:real val="0.90454545953539145"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:attribute name="line_colour">
+          <dia:color val="#000000"/>
+        </dia:attribute>
+        <dia:attribute name="fill_colour">
+          <dia:color val="#ffffff"/>
+        </dia:attribute>
+        <dia:attribute name="show_background">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+        <dia:attribute name="line_style">
+          <dia:enum val="0"/>
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="padding">
+          <dia:real val="0.10000000000000001"/>
+        </dia:attribute>
+        <dia:attribute name="text">
+          <dia:composite type="text">
+            <dia:attribute name="string">
+              <dia:string>#dispatcher#</dia:string>
+            </dia:attribute>
+            <dia:attribute name="font">
+              <dia:font family="sans" style="0" name="Helvetica"/>
+            </dia:attribute>
+            <dia:attribute name="height">
+              <dia:real val="0.52916666975065518"/>
+            </dia:attribute>
+            <dia:attribute name="pos">
+              <dia:point val="5.21003,3.90782"/>
+            </dia:attribute>
+            <dia:attribute name="color">
+              <dia:color val="#000000"/>
+            </dia:attribute>
+            <dia:attribute name="alignment">
+              <dia:enum val="1"/>
+            </dia:attribute>
+          </dia:composite>
+        </dia:attribute>
+        <dia:attribute name="flip_horizontal">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="flip_vertical">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="subscale">
+          <dia:real val="1"/>
+        </dia:attribute>
+      </dia:object>
+      <dia:object type="BPMN - Task" version="1" id="O10">
+        <dia:attribute name="obj_pos">
+          <dia:point val="6.9245,3.2968"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="6.8745,3.2468;8.88832,4.25135"/>
+        </dia:attribute>
+        <dia:attribute name="meta">
+          <dia:composite type="dict"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="6.9245,3.2968"/>
+        </dia:attribute>
+        <dia:attribute name="elem_width">
+          <dia:real val="1.9138235309895344"/>
+        </dia:attribute>
+        <dia:attribute name="elem_height">
+          <dia:real val="0.90454545953538812"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:attribute name="line_colour">
+          <dia:color val="#000000"/>
+        </dia:attribute>
+        <dia:attribute name="fill_colour">
+          <dia:color val="#ffffff"/>
+        </dia:attribute>
+        <dia:attribute name="show_background">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+        <dia:attribute name="line_style">
+          <dia:enum val="0"/>
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="padding">
+          <dia:real val="0.10000000000000001"/>
+        </dia:attribute>
+        <dia:attribute name="text">
+          <dia:composite type="text">
+            <dia:attribute name="string">
+              <dia:string>#senders#</dia:string>
+            </dia:attribute>
+            <dia:attribute name="font">
+              <dia:font family="sans" style="0" name="Helvetica"/>
+            </dia:attribute>
+            <dia:attribute name="height">
+              <dia:real val="0.52916666975065518"/>
+            </dia:attribute>
+            <dia:attribute name="pos">
+              <dia:point val="7.88141,3.90782"/>
+            </dia:attribute>
+            <dia:attribute name="color">
+              <dia:color val="#000000"/>
+            </dia:attribute>
+            <dia:attribute name="alignment">
+              <dia:enum val="1"/>
+            </dia:attribute>
+          </dia:composite>
+        </dia:attribute>
+        <dia:attribute name="flip_horizontal">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="flip_vertical">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="subscale">
+          <dia:real val="1"/>
+        </dia:attribute>
+      </dia:object>
+      <dia:object type="BPMN - Task" version="1" id="O11">
+        <dia:attribute name="obj_pos">
+          <dia:point val="7.3866,6.4287"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="7.3366,6.3787;8.4266,7.38325"/>
+        </dia:attribute>
+        <dia:attribute name="meta">
+          <dia:composite type="dict"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="7.3866,6.4287"/>
+        </dia:attribute>
+        <dia:attribute name="elem_width">
+          <dia:real val="0.99000000157775769"/>
+        </dia:attribute>
+        <dia:attribute name="elem_height">
+          <dia:real val="0.90454545953538545"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:attribute name="line_colour">
+          <dia:color val="#000000"/>
+        </dia:attribute>
+        <dia:attribute name="fill_colour">
+          <dia:color val="#ffffff"/>
+        </dia:attribute>
+        <dia:attribute name="show_background">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+        <dia:attribute name="line_style">
+          <dia:enum val="0"/>
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="padding">
+          <dia:real val="0.10000000000000001"/>
+        </dia:attribute>
+        <dia:attribute name="text">
+          <dia:composite type="text">
+            <dia:attribute name="string">
+              <dia:string>#vss#</dia:string>
+            </dia:attribute>
+            <dia:attribute name="font">
+              <dia:font family="sans" style="0" name="Helvetica"/>
+            </dia:attribute>
+            <dia:attribute name="height">
+              <dia:real val="0.52916666975065518"/>
+            </dia:attribute>
+            <dia:attribute name="pos">
+              <dia:point val="7.8816,7.03972"/>
+            </dia:attribute>
+            <dia:attribute name="color">
+              <dia:color val="#000000"/>
+            </dia:attribute>
+            <dia:attribute name="alignment">
+              <dia:enum val="1"/>
+            </dia:attribute>
+          </dia:composite>
+        </dia:attribute>
+        <dia:attribute name="flip_horizontal">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="flip_vertical">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="subscale">
+          <dia:real val="1"/>
+        </dia:attribute>
+      </dia:object>
+      <dia:object type="BPMN - Task" version="1" id="O12">
+        <dia:attribute name="obj_pos">
+          <dia:point val="9.0328,6.1401"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="8.9828,6.0901;11.3672,7.67192"/>
+        </dia:attribute>
+        <dia:attribute name="meta">
+          <dia:composite type="dict"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="9.0328,6.1401"/>
+        </dia:attribute>
+        <dia:attribute name="elem_width">
+          <dia:real val="2.2844117662836512"/>
+        </dia:attribute>
+        <dia:attribute name="elem_height">
+          <dia:real val="1.4818181901724667"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:attribute name="line_colour">
+          <dia:color val="#000000"/>
+        </dia:attribute>
+        <dia:attribute name="fill_colour">
+          <dia:color val="#ffffff"/>
+        </dia:attribute>
+        <dia:attribute name="show_background">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+        <dia:attribute name="line_style">
+          <dia:enum val="0"/>
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="padding">
+          <dia:real val="0.10000000000000001"/>
+        </dia:attribute>
+        <dia:attribute name="text">
+          <dia:composite type="text">
+            <dia:attribute name="string">
+              <dia:string>#command
+handler#</dia:string>
+            </dia:attribute>
+            <dia:attribute name="font">
+              <dia:font family="sans" style="0" name="Helvetica"/>
+            </dia:attribute>
+            <dia:attribute name="height">
+              <dia:real val="0.52916666975065518"/>
+            </dia:attribute>
+            <dia:attribute name="pos">
+              <dia:point val="10.175,6.77518"/>
+            </dia:attribute>
+            <dia:attribute name="color">
+              <dia:color val="#000000"/>
+            </dia:attribute>
+            <dia:attribute name="alignment">
+              <dia:enum val="1"/>
+            </dia:attribute>
+          </dia:composite>
+        </dia:attribute>
+        <dia:attribute name="flip_horizontal">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="flip_vertical">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="subscale">
+          <dia:real val="1"/>
+        </dia:attribute>
+      </dia:object>
+      <dia:object type="BPMN - Task" version="1" id="O13">
+        <dia:attribute name="obj_pos">
+          <dia:point val="4.7508,6.4287"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="4.7008,6.3787;5.71933,7.38325"/>
+        </dia:attribute>
+        <dia:attribute name="meta">
+          <dia:composite type="dict"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="4.7508,6.4287"/>
+        </dia:attribute>
+        <dia:attribute name="elem_width">
+          <dia:real val="0.91852941334248195"/>
+        </dia:attribute>
+        <dia:attribute name="elem_height">
+          <dia:real val="0.90454545953538301"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
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+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O23" connection="8"/>
+        <dia:connection handle="1" to="O18" connection="1"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O26">
+      <dia:attribute name="obj_pos">
+        <dia:point val="8.49446,-18.1314"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="8.44354,-18.1948;9.21742,-18.0805"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="8.49446,-18.1314"/>
+        <dia:point val="9.1665,-18.1439"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O22" connection="5"/>
+        <dia:connection handle="1" to="O21" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O27">
+      <dia:attribute name="obj_pos">
+        <dia:point val="7.18416,-18.5644"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="7.13381,-20.3751;7.24702,-18.514"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="7.18416,-18.5644"/>
+        <dia:point val="7.19667,-20.3247"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O22" connection="11"/>
+        <dia:connection handle="1" to="O23" connection="11"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O28">
+      <dia:attribute name="obj_pos">
+        <dia:point val="10.4972,-19.4956"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="10.4382,-19.5461;10.5477,-18.5264"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="10.4972,-19.4956"/>
+        <dia:point val="10.4887,-18.5769"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O17" connection="2"/>
+        <dia:connection handle="1" to="O21" connection="11"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O29">
+      <dia:attribute name="obj_pos">
+        <dia:point val="5.47486,-16.3689"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="5.42473,-16.419;9.25532,-16.3092"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="5.47486,-16.3689"/>
+        <dia:point val="9.20519,-16.3593"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#888888"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O24" connection="5"/>
+        <dia:connection handle="1" to="O20" connection="8"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O30">
+      <dia:attribute name="obj_pos">
+        <dia:point val="10.485,-16.8116"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="10.4348,-17.761;10.5389,-16.7614"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="10.485,-16.8116"/>
+        <dia:point val="10.4887,-17.7108"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#888888"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O20" connection="11"/>
+        <dia:connection handle="1" to="O21" connection="2"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O31">
+      <dia:attribute name="obj_pos">
+        <dia:point val="1.575,-10.6689"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="1.575,-11.3064;1.575,-10.5339"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="1.575,-10.6689"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O32">
+      <dia:attribute name="obj_pos">
+        <dia:point val="3.6375,10.9686"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="3.6375,10.3311;3.6375,11.1036"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="3.6375,10.9686"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O33">
+      <dia:attribute name="obj_pos">
+        <dia:point val="2.6375,10.6686"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="2.6375,10.0311;2.6375,10.8036"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="2.6375,10.6686"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O34">
+      <dia:attribute name="obj_pos">
+        <dia:point val="4.29295,-16.8019"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="4.24287,-19.7231;4.34745,-16.7518"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="4.29295,-16.8019"/>
+        <dia:point val="4.29737,-19.673"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O24" connection="11"/>
+        <dia:connection handle="1" to="O18" connection="1"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Network - Storage" version="1" id="O35">
+      <dia:attribute name="obj_pos">
+        <dia:point val="12.6719,-16.9342"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="12.6219,-16.9842;13.7267,-15.1719"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="12.6719,-16.9342"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="1.0048306811423449"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.1821537425204058"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#cccccc"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="0"/>
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="padding">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>##</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="13.1743,-15.3569"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="flip_horizontal">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="flip_vertical">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="subscale">
+        <dia:real val="1"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O36">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.171225,-14.4141"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.171225,-14.8066;15.0912,-7.90854"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#The two main applications of the paraslash suite (shaded green) are para_server
+and para_audiod. Both run in the background usually. para_server maintains the
+audio file database and acts as the streaming source, while para_audiod is the
+streaming client.
+
+The two client programs, para_client and para_audioc communicate with para_server
+and para_audiod, respectively.
+
+para_gui controls para_server/audiod by executing paraslash commands. Command
+output is shown in a curses window. para_gui automatically executes para_audioc
+to obtain the state of para_audiod and para_server and the metadata of the current
+audio file.
+
+Network connections are shaded grey, local connections black.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.171225,-14.4141"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O37">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.1003,73.0082"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.1003,72.3707;3.6453,73.1432"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#para_audiod#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.1003,73.0082"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O38">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.116202,82.0061"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.116202,81.6136;14.7262,86.5361"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#The purpose of para_audiod is to download, decode and play an audio stream
+received from para_server. It fetches the para_server status and starts a suitable
+buffer tree (shaded blue) if an audio stream is available.
+
+The buffer tree usually consists of a receiver, any number of filters and a writer. The
+receiver downloads the audio stream from para_server and the filters decode or
+modify the received data. The writer plays the decoded stream.
+
+The dispatcher acts on (local) requests from para_audioc, for example to dump
+information about the current audio file.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.116202,82.0061"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O39">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.27019,32.9375"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.27019,32.545;14.8927,36.4797"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#The audio file selector (afs) accepts two different kinds of incoming connections:
+A bidirectional pipe shared with para_server is used for passing the file descriptor
+of the current audio file to the server process. The local socket is used by command
+handlers which query or update the database.
+
+To add a new file to the database, afs opens the file and locates an audio format
+handler (afh) that recognizes the file. A new database entry with metadata obtained
+from the afh is then added to the database.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.27019,32.9375"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O40">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.11118,24.9782"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.11118,24.3407;6.37118,25.1132"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#The audio file selector#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.11118,24.9782"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O41">
+      <dia:attribute name="obj_pos">
+        <dia:point val="6.8012,28.9591"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="5.61907,28.9091;6.85122,29.0096"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="6.8012,28.9591"/>
+        <dia:point val="5.66909,28.9596"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="4"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O50" connection="8"/>
+        <dia:connection handle="1" to="O43" connection="2"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O42">
+      <dia:attribute name="obj_pos">
+        <dia:point val="7.6012,28.5261"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="7.53094,27.1956;9.25521,28.5964"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="7.6012,28.5261"/>
+        <dia:point val="9.18495,27.2659"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O50" connection="10"/>
+        <dia:connection handle="1" to="O47" connection="0"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Network - Storage" version="1" id="O43">
+      <dia:attribute name="obj_pos">
+        <dia:point val="4.61551,28.3687"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="4.12293,28.3187;6.11293,30.131"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="4.61551,28.3687"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="1.0048306811423449"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.1821537425204058"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#cccccc"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="0"/>
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="padding">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#audio files#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="5.11793,29.946"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="flip_horizontal">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="flip_vertical">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="subscale">
+        <dia:real val="1"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O44">
+      <dia:attribute name="obj_pos">
+        <dia:point val="7.2512,28.5261"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="7.19859,26.8922;7.30128,28.5762"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="7.2512,28.5261"/>
+        <dia:point val="7.24867,26.9423"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O50" connection="11"/>
+        <dia:connection handle="1" to="O46" connection="2"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O45">
+      <dia:attribute name="obj_pos">
+        <dia:point val="7.2512,29.3922"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="7.20042,29.3414;7.32551,30.9457"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="7.2512,29.3922"/>
+        <dia:point val="7.27474,30.8949"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O50" connection="2"/>
+        <dia:connection handle="1" to="O49" connection="11"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="BPMN - Task" version="1" id="O46">
+      <dia:attribute name="obj_pos">
+        <dia:point val="5.96882,26.0762"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="5.91882,26.0262;8.57853,26.9923"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="5.96882,26.0762"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="2.5597058839307119"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="0.86606061082624941"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#bbe7bb"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="0"/>
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="padding">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#para_server#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="7.24867,26.6574"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="flip_horizontal">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="flip_vertical">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="subscale">
+        <dia:real val="1"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="BPMN - Task" version="1" id="O47">
+      <dia:attribute name="obj_pos">
+        <dia:point val="9.08495,26.3998"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="9.03495,26.3498;10.035,27.3159"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="9.08495,26.3998"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="0.90000000157776949"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="0.86606061082625274"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="0"/>
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="padding">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#afh#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="9.53495,26.981"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="flip_horizontal">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="flip_vertical">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="subscale">
+        <dia:real val="1"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Network - Storage" version="1" id="O48">
+      <dia:attribute name="obj_pos">
+        <dia:point val="8.84318,28.3795"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="8.7181,28.3295;9.9731,30.1418"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="8.84318,28.3795"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="1.0048306811423449"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="1.1821537425204058"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#cccccc"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="0"/>
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="padding">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#osl db#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="9.3456,29.9568"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="flip_horizontal">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="flip_vertical">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="subscale">
+        <dia:real val="1"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="BPMN - Task" version="1" id="O49">
+      <dia:attribute name="obj_pos">
+        <dia:point val="5.439,30.8949"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="5.389,30.8449;9.16047,31.811"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="5.439,30.8949"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="3.6714705898130648"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="0.86606061082624874"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="0"/>
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="padding">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#command handler#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="7.27474,31.4761"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="flip_horizontal">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="flip_vertical">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="subscale">
+        <dia:real val="1"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="BPMN - Task" version="1" id="O50">
+      <dia:attribute name="obj_pos">
+        <dia:point val="6.8012,28.5261"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="6.7512,28.4761;7.7512,29.4422"/>
+      </dia:attribute>
+      <dia:attribute name="meta">
+        <dia:composite type="dict"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="6.8012,28.5261"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="0.90000000157776949"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="0.86606061082625274"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:attribute name="line_colour">
+        <dia:color val="#000000"/>
+      </dia:attribute>
+      <dia:attribute name="fill_colour">
+        <dia:color val="#ffffff"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+      <dia:attribute name="line_style">
+        <dia:enum val="0"/>
+        <dia:real val="1"/>
+      </dia:attribute>
+      <dia:attribute name="padding">
+        <dia:real val="0.10000000000000001"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#afs#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="7.2512,29.1073"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="1"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="flip_horizontal">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="flip_vertical">
+        <dia:boolean val="false"/>
+      </dia:attribute>
+      <dia:attribute name="subscale">
+        <dia:real val="1"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O51">
+      <dia:attribute name="obj_pos">
+        <dia:point val="7.7012,28.9591"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="7.65087,28.9088;8.844,29.0167"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="7.7012,28.9591"/>
+        <dia:point val="8.79367,28.9663"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_width">
+        <dia:real val="0.10000000149011612"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="0" to="O50" connection="5"/>
+        <dia:connection handle="1" to="O48" connection="2"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O52">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.1025,49.0569"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.1025,48.4194;5.465,49.1919"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#The OSL database#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.80000000000000004"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.1025,49.0569"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Text" version="1" id="O53">
+      <dia:attribute name="obj_pos">
+        <dia:point val="0.2206,58.055"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="0.2206,57.6625;14.9431,67.03"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Metadata about all known audio files is stored in serveral tables of a database which
+is driven by libosl, the object storage layer library.
+
+The "audio files" table is the main table of the database. It contains path, hash and
+metadata of each known file.
+
+The "attributes" table maps each of the 64 possible attributes to a string. The
+attribute value of the file's metadata is translated through this table.
+
+The tables shown shaded are blob tables which support add, rm, mv, cat, ls
+commands. All of these are optional.
+
+The "score" table describes the subset of admissible files for the current playlist or
+mood. This table is created on demand, resides only in memory and is discarded
+on exit.
+
+When the next audio file is to be streamed, the audio file selector gets the entry with
+the highest score from the "score" table, obtains path, hash, and metadata for this
+entry from the "audio files" table, opens the path and verifies the hash.#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="0.49388889176727813"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="0.2206,58.055"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#000000"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+      <dia:attribute name="valign">
+        <dia:enum val="3"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:group>
+      <dia:object type="Flowchart - Extract" version="1" id="O54">
+        <dia:attribute name="obj_pos">
+          <dia:point val="2.2855,53.4404"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="2.13703,53.3776;6.61397,55.0782"/>
+        </dia:attribute>
+        <dia:attribute name="meta">
+          <dia:composite type="dict"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="2.2855,53.4404"/>
+        </dia:attribute>
+        <dia:attribute name="elem_width">
+          <dia:real val="4.1800000029802371"/>
+        </dia:attribute>
+        <dia:attribute name="elem_height">
+          <dia:real val="1.5877777865147884"/>
+        </dia:attribute>
+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
+        </dia:attribute>
+        <dia:attribute name="line_colour">
+          <dia:color val="#000000"/>
+        </dia:attribute>
+        <dia:attribute name="fill_colour">
+          <dia:color val="#ffffff"/>
+        </dia:attribute>
+        <dia:attribute name="show_background">
+          <dia:boolean val="true"/>
+        </dia:attribute>
+        <dia:attribute name="line_style">
+          <dia:enum val="0"/>
+          <dia:real val="1"/>
+        </dia:attribute>
+        <dia:attribute name="padding">
+          <dia:real val="0.10000000000000001"/>
+        </dia:attribute>
+        <dia:attribute name="text">
+          <dia:composite type="text">
+            <dia:attribute name="string">
+              <dia:string>#audio files#</dia:string>
+            </dia:attribute>
+            <dia:attribute name="font">
+              <dia:font family="sans" style="0" name="Helvetica"/>
+            </dia:attribute>
+            <dia:attribute name="height">
+              <dia:real val="0.49388889176727813"/>
+            </dia:attribute>
+            <dia:attribute name="pos">
+              <dia:point val="4.3755,54.7794"/>
+            </dia:attribute>
+            <dia:attribute name="color">
+              <dia:color val="#000000"/>
+            </dia:attribute>
+            <dia:attribute name="alignment">
+              <dia:enum val="1"/>
+            </dia:attribute>
+          </dia:composite>
+        </dia:attribute>
+        <dia:attribute name="flip_horizontal">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="flip_vertical">
+          <dia:boolean val="false"/>
+        </dia:attribute>
+        <dia:attribute name="subscale">
+          <dia:real val="1"/>
+        </dia:attribute>
+      </dia:object>
+      <dia:object type="Flowchart - Extract" version="1" id="O55">
+        <dia:attribute name="obj_pos">
+          <dia:point val="9.3146,55.0212"/>
+        </dia:attribute>
+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="9.18822,54.9526;12.826,56.659"/>
+        </dia:attribute>
+        <dia:attribute name="meta">
+          <dia:composite type="dict"/>
+        </dia:attribute>
+        <dia:attribute name="elem_corner">
+          <dia:point val="9.3146,55.0212"/>
+        </dia:attribute>
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+      <dia:object type="Standard - Line" version="0" id="O79">
+        <dia:attribute name="obj_pos">
+          <dia:point val="12.4706,77.7326"/>
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+        <dia:attribute name="obj_bb">
+          <dia:rectangle val="12.42,77.6826;12.5206,78.4514"/>
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+        <dia:attribute name="conn_endpoints">
+          <dia:point val="12.4706,77.7326"/>
+          <dia:point val="12.47,78.4014"/>
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+        <dia:attribute name="numcp">
+          <dia:int val="1"/>
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+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
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+        <dia:connections>
+          <dia:connection handle="0" to="O65" connection="2"/>
+          <dia:connection handle="1" to="O70" connection="11"/>
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+      <dia:object type="Standard - Line" version="0" id="O80">
+        <dia:attribute name="obj_pos">
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+        <dia:attribute name="obj_bb">
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+        <dia:attribute name="conn_endpoints">
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+          <dia:point val="11.799,78.8344"/>
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+        <dia:attribute name="numcp">
+          <dia:int val="1"/>
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+        <dia:attribute name="line_width">
+          <dia:real val="0.10000000149011612"/>
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+        <dia:connections>
+          <dia:connection handle="0" to="O69" connection="5"/>
+          <dia:connection handle="1" to="O70" connection="8"/>
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+</dia:diagram>