[totem/wip/hadess/mallard-documentation: 50/87] help: Cover how to change the playback rate

[Bastien Nocera <hadess src gnome org>]

commit 71e4c286745a7a8ecbca2b03bc2f716cc2def755
Author: Andre Klapper <a9016009 gmx de>
Date:   Fri Jan 11 18:53:05 2019 +0100

    help: Cover how to change the playback rate

 help/C/adjust-speed.page | 42 ++++++++++++++++++++++++++++++++++++++++++
 help/meson.build         |  1 +
 2 files changed, 43 insertions(+)
---
diff --git a/help/C/adjust-speed.page b/help/C/adjust-speed.page
new file mode 100644
index 000000000..064031f7a
--- /dev/null
+++ b/help/C/adjust-speed.page
@@ -0,0 +1,42 @@
+<page xmlns="http://projectmallard.org/1.0/";
+      type="guide"
+      id="adjust-speed">
+
+  <info>
+    <link type="guide" xref="index#playing-media"/>
+    <revision pkgversion="3.30.0" version="0.1" date="2019-01-11" status="draft"/>
+
+    <credit type="author">
+      <name>Andre Klapper</name>
+      <email>ak-47 gmx net</email>
+    </credit>
+
+    <license>
+      <p>Creative Commons Share Alike 3.0</p>
+    </license>
+
+    <desc>Change the playback rate of a movie.</desc>
+  </info>
+
+  <title>Adjust speed</title>
+
+  <p>You can change how fast or slow a movie is played in the bottom right corner:</p>
+
+  <list>
+    <item>
+      <p>Press the <gui>menu button</gui> which is below the video area.</p>
+    </item>
+    <item>
+      <p>In the <gui>Speed</gui> section, select among:</p>
+      <list>
+        <item><p><gui>× 0.75</gui></p></item>
+        <item><p><gui>Normal</gui></p></item>
+        <item><p><gui>× 1.1</gui></p></item>
+        <item><p><gui>× 1.25</gui></p></item>
+        <item><p><gui>× 1.5</gui></p></item>
+        <item><p><gui>× 1.75</gui></p></item>
+      </list>
+    </item>
+  </list>
+
+</page>
diff --git a/help/meson.build b/help/meson.build
index 3beb14871..1eec91ed4 100644
--- a/help/meson.build
+++ b/help/meson.build
@@ -1,4 +1,5 @@
 sources = [
+  'adjust-speed.page',
   'file-open.page',
   'index.page',
   'keyboard-shortcuts.page',