Fix rect format and defaults in metadata.

It is bad to suggest using comma as a separator for rect values because
that is the decimal separator for many locales. The canonical format (as
set in the mlt_property serializer) is to use spaces as separator.

src/framework/metaschema.yaml

@@ -76,7 +76,7 @@ mapping:
               - properties # for passing options to encapsulated services
               - string
               - time # time string values (clock, SMPTE) can be accepted in addition to frames
-              - rect # X,Y,W,H
+              - rect  # "X Y W H" or "X/Y:WxH"
               - color # 0xrrggbbaa | #rrggbb | #aarrggbb
           "service-name": # for type: properties, a reference to another service
             type: str     # format: type.service, e.g. transition.composite

src/modules/qt/filter_audiospectrum.yml

@@ -97,11 +97,11 @@ parameters:
     description: >
       Defines the rectangle that the waveform(s) should be drawn in.
       
-      Format is: "X,Y,W,H".
+      Format is: "X Y W H".
       
       X, Y, W, H are assumed to be pixel units unless they have the suffix '%'.
     type: rect
-    default: "0,0,100%,100%"
+    default: "0 0 100% 100%"
     readonly: no
     mutable: yes
 
@@ -220,4 +220,3 @@ parameters:
     mutable: no
     readonly: no
     default: 2048
-

src/modules/qt/filter_audiowaveform.cpp

@@ -1,6 +1,6 @@
 /*
  * filter_audiowaveform.cpp -- audio waveform visualization filter
- * Copyright (c) 2015 Meltytech, LLC
+ * Copyright (c) 2015-2016 Meltytech, LLC
  * Author: Brian Matherly <[email protected]>
  *
  * This library is free software; you can redistribute it and/or
@@ -270,7 +270,7 @@ mlt_filter filter_audiowaveform_init( mlt_profile profile, mlt_service_type type
 	mlt_properties_set( filter_properties, "thickness", "0" );
 	mlt_properties_set( filter_properties, "show_channel", "0" );
 	mlt_properties_set( filter_properties, "angle", "0" );
-	mlt_properties_set( filter_properties, "rect", "0,0,100%,100%" );
+	mlt_properties_set( filter_properties, "rect", "0 0 100% 100%" );
 	mlt_properties_set( filter_properties, "fill", "0" );
 	mlt_properties_set( filter_properties, "gorient", "v" );
 

src/modules/qt/filter_audiowaveform.yml

@@ -98,11 +98,11 @@ parameters:
     description: >
       Defines the rectangle that the waveform(s) should be drawn in.
       
-      Format is: "X,Y,W,H".
+      Format is: "X Y W H".
       
       X, Y, W, H are assumed to be pixel units unless they have the suffix '%'.
     type: rect
-    default: "0,0,100%,100%"
+    default: "0 0 100% 100%"
     readonly: no
     mutable: yes
 
@@ -126,4 +126,3 @@ parameters:
     readonly: no
     mutable: yes
     widget: combo
-

src/modules/qt/filter_lightshow.yml

@@ -95,11 +95,11 @@ parameters:
     description: >
       Defines the rectangle that the color should be drawn in.
       
-      Format is: "X,Y,W,H".
+      Format is: "X Y W H".
       
       X, Y, W, H are assumed to be pixel units unless they have the suffix '%'.
     type: rect
-    default: "0,0,100%,100%"
+    default: "0 0 100% 100%"
     readonly: no
     mutable: yes