Fix a number of other qdoc issues.

* Several places needed the forward class declaration hack
* Missing/wrong minor version numbers on imports
* A few typos
* Any number of attempts to work around qdoc
* A few missing docs
* Tweaked soundeffect docs

Change-Id: I3c2ab998a11cbb0956712e0423e01fdb70f5bfff
Reviewed-by: Peter Yard <peter.yard@nokia.com>
Reviewed-by: Angus Cummings <angus.cummings@nokia.com>
Reviewed-by: Jonas Rabbe <jonas.rabbe@gmail.com>

doc/config/compat.qdocconf

@@ -1,4 +1,3 @@
-alias.i                         = e
 alias.include                   = input
 
 macro.0                         = "\\\\0"

doc/config/qt-cpp-ignore.qdocconf

@@ -74,7 +74,8 @@ Cpp.ignoretokens        = QAXFACTORY_EXPORT \
                           Q_DECLARATIVE_EXPORT \
                           Q_GADGET \
                           QWEBKIT_EXPORT \
-                          Q_INVOKABLE
+                          Q_INVOKABLE \
+                          Q_MULTIMEDIA_EXPORT
 Cpp.ignoredirectives    = Q_DECLARE_HANDLE \
                           Q_DECLARE_INTERFACE \
                           Q_DECLARE_METATYPE \

doc/src/audiooverview.qdoc

@@ -69,7 +69,7 @@ sounds.  These classes allow you to specify a WAV format file which can
 then be played with low latency when necessary.  Both QSoundEffect and
 SoundEffect have essentially the same API.
 
-You can adjust the number of \l {QSoundEffect::loops}{loops} a sound effect is played, as well as
+You can adjust the number of \l {QSoundEffect::loopCount()}{loops} a sound effect is played, as well as
 the \l {QSoundEffect::setVolume()}{volume} (or \l {QSoundEffect::setMuted()}{muting}) of the effect.
 
 For older, Qt 4.x based applications \l QSound is also available.  Applications

doc/src/snippets/multimedia-snippets/qsound.cpp

@@ -38,8 +38,9 @@
 **
 ****************************************************************************/
 
-
+#include "qobject.h"
 #include "qsound.h"
+#include "qsoundeffect.h"
 
 void qsoundsnippet() {
     //! [0]
@@ -52,3 +53,33 @@ void qsoundsnippet() {
     bells.play();
     //! [1]
 }
+
+void qsoundeffectsnippet() {
+    //! [2]
+    QSoundEffect effect;
+    effect.setSource(QUrl::fromLocalFile("engine.wav"));
+    effect.setLoopCount(QSoundEffect::Infinite);
+    effect.setVolume(0.25f);
+    effect.play();
+    //! [2]
+}
+
+QObject *clickSource;
+
+class MyGame : public QObject {
+    Q_OBJECT
+public:
+    //! [3]
+    MyGame()
+        : m_explosion(this)
+    {
+        m_explosion.setSource(QUrl::fromLocalFile("explosion.wav"));
+        m_explosion.setVolume(0.25f);
+
+        // Set up click handling etc.
+        connect(clickSource, SIGNAL(clicked()), &m_explosion, SLOT(play()));
+    }
+private:
+    QSoundEffect m_explosion;
+    //! [3]
+};