improved usability of project export dialog

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@963 0778d3d1-df1d-0410-868b-ea421aaaa00d

ChangeLog

@@ -1,3 +1,17 @@
+2008-05-13	Tobias Doerffel	<tobydox/at/users/dot/sourceforge/dot/net>
+
+	* src/gui/dialogs/export_project.ui:
+	improved usability
+
+	* include/audio_device.h:
+	* src/core/audio/audio_device.cpp:
+	* src/core/audio/audio_alsa.cpp:
+	* src/core/audio/audio_sdl.cpp:
+	* src/core/audio/audio_oss.cpp:
+	* src/core/audio/audio_jack.cpp:
+	after changed quality-settings also update interpolation for
+	samplerate-conversion
+
 2008-05-12	Tobias Doerffel	<tobydox/at/users/dot/sourceforge/dot/net>
 
 	* plugins/bass_booster/bassbooster_controls.cpp:

src/gui/dialogs/export_project.ui

@@ -5,8 +5,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>405</width>
-    <height>351</height>
+    <width>519</width>
+    <height>412</height>
    </rect>
   </property>
   <property name="windowTitle" >
@@ -178,11 +178,6 @@
                <string>16 Bit Integer</string>
               </property>
              </item>
-             <item>
-              <property name="text" >
-               <string>24 Bit Float</string>
-              </property>
-             </item>
              <item>
               <property name="text" >
                <string>32 Bit Float</string>
@@ -193,6 +188,32 @@
           </layout>
          </widget>
         </item>
+        <item>
+         <spacer>
+          <property name="orientation" >
+           <enum>Qt::Vertical</enum>
+          </property>
+          <property name="sizeType" >
+           <enum>QSizePolicy::Fixed</enum>
+          </property>
+          <property name="sizeHint" >
+           <size>
+            <width>1</width>
+            <height>10</height>
+           </size>
+          </property>
+         </spacer>
+        </item>
+        <item>
+         <widget class="QLabel" name="label_7" >
+          <property name="text" >
+           <string>Please note that not all of the parameters above apply for all file types.</string>
+          </property>
+          <property name="wordWrap" >
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
         <item>
          <spacer>
           <property name="orientation" >
@@ -224,9 +245,12 @@
         </item>
         <item>
          <widget class="QComboBox" name="interpolationCB" >
+          <property name="currentIndex" >
+           <number>1</number>
+          </property>
           <item>
            <property name="text" >
-            <string>Linear</string>
+            <string>Zero Order Hold</string>
            </property>
           </item>
           <item>
@@ -236,12 +260,12 @@
           </item>
           <item>
            <property name="text" >
-            <string>Sinc Medium</string>
+            <string>Sinc Medium (recommended)</string>
            </property>
           </item>
           <item>
            <property name="text" >
-            <string>Sinc Best</string>
+            <string>Sinc Best (very slow!)</string>
            </property>
           </item>
          </widget>
@@ -249,7 +273,7 @@
         <item>
          <widget class="QLabel" name="label_4" >
           <property name="text" >
-           <string>Oversampling:</string>
+           <string>Oversampling (use with care!):</string>
           </property>
          </widget>
         </item>
@@ -257,7 +281,7 @@
          <widget class="QComboBox" name="oversamplingCB" >
           <item>
            <property name="text" >
-            <string>None</string>
+            <string>1x (None)</string>
            </property>
           </item>
           <item>
@@ -275,11 +299,6 @@
             <string>8x</string>
            </property>
           </item>
-          <item>
-           <property name="text" >
-            <string>16x (use with care!)</string>
-           </property>
-          </item>
          </widget>
         </item>
         <item>