]> git.sesse.net Git - casparcg/blobdiff - core/producer/scene/scene.xsd
[scene] Updated XSD
[casparcg] / core / producer / scene / scene.xsd
index ea0f78151b20141ed3e0c5809a46c858d1808812..425006bdf71863436ab0443412cb07a4d94a0926 100644 (file)
@@ -1,7 +1,7 @@
 <xs:schema attributeFormDefault="unqualified" elementFormDefault="unqualified" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:vc="http://www.w3.org/2007/XMLSchema-versioning" vc:minVersion="1.1">
   <xs:element name="scene">
     <xs:complexType>
-      <xs:sequence>
+      <xs:all>
         <xs:element name="variables">
           <xs:annotation>
             <xs:documentation>
               Public variables are accessible as CG parameters and by the parent scene when nested inside another.
               There are some variables that are always defined like
               "frame" which stores the number of frames that have gone by since the scene producer started,
-              "mouse_x" and "mouse_y" which reflect the X and Y position of the mouse at all times relative to the scene coordinate system (requires interaction aware consumer like screen_consumer) and
-              "timeline_frame" which differs from "frame" in that it can rewind and jump, depending on where the timeline is at the moment.
+              "mouse_x" and "mouse_y" which reflect the X and Y position of the mouse at all times relative to the scene coordinate system (requires interaction aware consumer like screen_consumer),
+              "timeline_frame" which differs from "frame" in that it can rewind and jump, depending on where the timeline is at the moment,
+              "fps" which always contains the framerate of the scene and
+              "scene_width" and "scene_height" which contains the dimensions of the scene coordinate system.
             </xs:documentation>
           </xs:annotation>
           <xs:complexType>
@@ -35,7 +37,7 @@
                     <xs:extension base="any_expression">
                       <xs:attribute type="identifier" name="id" use="required"><xs:annotation><xs:documentation>The unique variable name. Will be exposed as [id] if the variable is public or variable.[id] otherwise.</xs:documentation></xs:annotation></xs:attribute>
                       <xs:attribute type="type" name="type" use="required"><xs:annotation><xs:documentation>The variable type. The value/expression of the variable must be parseable/resolvable as/to this type.</xs:documentation></xs:annotation></xs:attribute>
-                      <xs:attribute type="boolean" name="public" use="required"><xs:annotation><xs:documentation>Whether the variable should be accessible from outside the scene or not. Public variables can be accessed via CG UPDATE, CG ADD and as layer.[layerid].parameter.[id] when nested inside another scene.</xs:documentation></xs:annotation></xs:attribute>
+                      <xs:attribute type="boolean" name="public" default="false"><xs:annotation><xs:documentation>Whether the variable should be accessible from outside the scene or not. Public variables can be accessed via CG UPDATE, CG ADD and as layer.[layerid].parameter.[id] when nested inside another scene.</xs:documentation></xs:annotation></xs:attribute>
                     </xs:extension>
                   </xs:simpleContent>
                 </xs:complexType>
               <xs:element name="layer" minOccurs="0" maxOccurs="unbounded">
                 <xs:complexType>
                   <xs:all>
-                    <xs:element type="producer_string" name="producer">                                             <xs:annotation><xs:documentation>The same syntax as in AMCP after for example PLAY 1-10. Cannot be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="bool_expression" name="hidden" minOccurs="0" default="false">                 <xs:annotation><xs:documentation>Hides the layer if true. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="x">                                                  <xs:annotation><xs:documentation>The X coordinate of the layer in the scene coordinate system. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="y">                                                  <xs:annotation><xs:documentation>The Y coordinate of the layer in the scene coordinate system. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="width" minOccurs="0">                                <xs:annotation><xs:documentation>The width of the layer. Is by default calculated by the producer itself but can be overridden. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="height" minOccurs="0">                               <xs:annotation><xs:documentation>The height of the layer. Is by default calculated by the producer itself but can be overridden. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="anchor_x" minOccurs="0" default="0">                 <xs:annotation><xs:documentation>The X anchor within the layer coordinate system where position and rotation are done relative to/around. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="anchor_y" minOccurs="0" default="0">                 <xs:annotation><xs:documentation>The Y anchor within the layer coordinate system where position and rotation are done relative to/around. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="rotation" minOccurs="0" default="0.0">               <xs:annotation><xs:documentation>The rotation of the layer around anchor_x/anchor_y expressed in degrees. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="crop_upper_left_x" minOccurs="0" default="0">        <xs:annotation><xs:documentation>The X position within the layer coordinate system to crop the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="crop_upper_left_y" minOccurs="0" default="0">        <xs:annotation><xs:documentation>The Y position within the layer coordinate system to crop the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="crop_lower_right_x" minOccurs="0">                   <xs:annotation><xs:documentation>The X position within the layer coordinate system to crop the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="crop_lower_right_y" minOccurs="0">                   <xs:annotation><xs:documentation>The Y position within the layer coordinate system to crop the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="perspective_upper_left_x" minOccurs="0" default="0"> <xs:annotation><xs:documentation>The X position within the layer coordinate system to corner pin the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="perspective_upper_left_y" minOccurs="0" default="0"> <xs:annotation><xs:documentation>The Y position within the layer coordinate system to corner pin the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="perspective_upper_right_x" minOccurs="0">            <xs:annotation><xs:documentation>The X position within the layer coordinate system to corner pin the upper right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="perspective_upper_right_y" minOccurs="0" default="0"><xs:annotation><xs:documentation>The Y position within the layer coordinate system to corner pin the upper right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="perspective_lower_right_x" minOccurs="0">            <xs:annotation><xs:documentation>The X position within the layer coordinate system to corner pin the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="perspective_lower_right_y" minOccurs="0">            <xs:annotation><xs:documentation>The Y position within the layer coordinate system to corner pin the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="perspective_lower_left_x" minOccurs="0" default="0"> <xs:annotation><xs:documentation>The X position within the layer coordinate system to corner pin the lower left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="number_expression" name="perspective_lower_left_y" minOccurs="0">             <xs:annotation><xs:documentation>The Y position within the layer coordinate system to corner pin the lower left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element name="adjustment" minOccurs="0">
+                    <xs:element type="producer_string" name="producer">                                                     <xs:annotation><xs:documentation>The same syntax as in AMCP after for example PLAY 1-10. Cannot be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="bool_expression" name="hidden" minOccurs="0" default="false">                         <xs:annotation><xs:documentation>Hides the layer if true. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="x">                                                          <xs:annotation><xs:documentation>The X coordinate of the layer in the scene coordinate system. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="y">                                                          <xs:annotation><xs:documentation>The Y coordinate of the layer in the scene coordinate system. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="width" minOccurs="0">                                        <xs:annotation><xs:documentation>The width of the layer. Is by default calculated by the producer itself but can be overridden. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="height" minOccurs="0">                                       <xs:annotation><xs:documentation>The height of the layer. Is by default calculated by the producer itself but can be overridden. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element name="clip" minOccurs="0">
+                      <xs:annotation>
+                        <xs:documentation>
+                          Properties regarding viewport clipping. The coordinates are relative to the scene coordinate system. They are addressable from expressions as layer.[id].clip.[property].
+                        </xs:documentation>
+                      </xs:annotation>
+                      <xs:complexType>
+                        <xs:all>
+                          <xs:element type="number_expression" name="upper_left_x" minOccurs="0" default="0">                <xs:annotation><xs:documentation>The X position within the scene coordinate system to clip the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="upper_left_y" minOccurs="0" default="0">                <xs:annotation><xs:documentation>The Y position within the scene coordinate system to clip the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="lower_right_x" minOccurs="0">                           <xs:annotation><xs:documentation>The X position within the scene coordinate system to clip the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="lower_right_y" minOccurs="0">                           <xs:annotation><xs:documentation>The Y position within the scene coordinate system to clip the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                        </xs:all>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element type="number_expression" name="anchor_x" minOccurs="0" default="0">                         <xs:annotation><xs:documentation>The X anchor within the layer coordinate system where position and rotation are done relative to/around. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="anchor_y" minOccurs="0" default="0">                         <xs:annotation><xs:documentation>The Y anchor within the layer coordinate system where position and rotation are done relative to/around. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="rotation" minOccurs="0" default="0.0">                       <xs:annotation><xs:documentation>The rotation of the layer around anchor_x/anchor_y expressed in degrees. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="crop_upper_left_x" minOccurs="0" default="0">                <xs:annotation><xs:documentation>The X position within the layer coordinate system to crop the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="crop_upper_left_y" minOccurs="0" default="0">                <xs:annotation><xs:documentation>The Y position within the layer coordinate system to crop the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="crop_lower_right_x" minOccurs="0">                           <xs:annotation><xs:documentation>The X position within the layer coordinate system to crop the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="crop_lower_right_y" minOccurs="0">                           <xs:annotation><xs:documentation>The Y position within the layer coordinate system to crop the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="perspective_upper_left_x" minOccurs="0" default="0">         <xs:annotation><xs:documentation>The X position within the layer coordinate system to corner pin the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="perspective_upper_left_y" minOccurs="0" default="0">         <xs:annotation><xs:documentation>The Y position within the layer coordinate system to corner pin the upper left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="perspective_upper_right_x" minOccurs="0">                    <xs:annotation><xs:documentation>The X position within the layer coordinate system to corner pin the upper right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="perspective_upper_right_y" minOccurs="0" default="0">        <xs:annotation><xs:documentation>The Y position within the layer coordinate system to corner pin the upper right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="perspective_lower_right_x" minOccurs="0">                    <xs:annotation><xs:documentation>The X position within the layer coordinate system to corner pin the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="perspective_lower_right_y" minOccurs="0">                    <xs:annotation><xs:documentation>The Y position within the layer coordinate system to corner pin the lower right corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="perspective_lower_left_x" minOccurs="0" default="0">         <xs:annotation><xs:documentation>The X position within the layer coordinate system to corner pin the lower left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="number_expression" name="perspective_lower_left_y" minOccurs="0">                     <xs:annotation><xs:documentation>The Y position within the layer coordinate system to corner pin the lower left corner. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element name="adjustments" minOccurs="0">
                       <xs:annotation>
                         <xs:documentation>
                           Properties regarding image adjustments. They are addressable from expressions as layer.[id].adjustment.[property].
                       </xs:annotation>
                       <xs:complexType>
                         <xs:all>
-                          <xs:element type="number_expression" name="opacity" minOccurs="0" default="1.0">          <xs:annotation><xs:documentation>The opacity of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="opacity" minOccurs="0" default="1.0">                  <xs:annotation><xs:documentation>The opacity of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="contrast" minOccurs="0" default="1.0">                 <xs:annotation><xs:documentation>The contrast of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="saturation" minOccurs="0" default="1.0">               <xs:annotation><xs:documentation>The saturation of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="brightness" minOccurs="0" default="1.0">               <xs:annotation><xs:documentation>The brightness of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                        </xs:all>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="levels" minOccurs="0">
+                      <xs:annotation>
+                        <xs:documentation>
+                          Properties regarding level adjustments. They are addressable from expressions as layer.[id].level.[property].
+                        </xs:documentation>
+                      </xs:annotation>
+                      <xs:complexType>
+                        <xs:all>
+                          <xs:element type="number_expression" name="min_input" minOccurs="0" default="0.0">                <xs:annotation><xs:documentation>The minimum input level of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="max_input" minOccurs="0" default="1.0">                <xs:annotation><xs:documentation>The maximum input level of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="gamma" minOccurs="0" default="1.0">                    <xs:annotation><xs:documentation>The gamma correction of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="min_output" minOccurs="0" default="0.0">               <xs:annotation><xs:documentation>The minimum output level of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="max_output" minOccurs="0" default="1.0">               <xs:annotation><xs:documentation>The maximum output level of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
                         </xs:all>
                       </xs:complexType>
                     </xs:element>
-                    <xs:element type="bool_expression" name="is_key" minOccurs="0" default="false">                 <xs:annotation><xs:documentation>If true causes the layer to key the layer above. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="bool_expression" name="use_mipmap" minOccurs="0" default="false">             <xs:annotation><xs:documentation>Whether to enable mipmapping on the layer or not. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                    <xs:element type="blend_mode" name="blend_mode" minOccurs="0" default="normal">                 <xs:annotation><xs:documentation>The blend mode to use. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="bool_expression" name="is_key" minOccurs="0" default="false">                         <xs:annotation><xs:documentation>If true causes the layer to key the layer above. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="bool_expression" name="use_mipmap" minOccurs="0" default="false">                     <xs:annotation><xs:documentation>Whether to enable mipmapping on the layer or not. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                    <xs:element type="blend_mode" name="blend_mode" minOccurs="0" default="normal">                         <xs:annotation><xs:documentation>The blend mode to use. Can be an expression.</xs:documentation></xs:annotation></xs:element>
                     <xs:element name="chroma_key" minOccurs="0">
                       <xs:complexType>
                         <xs:all>
-                          <xs:element type="bool_expression" name="enable" minOccurs="0" default="false">           <xs:annotation><xs:documentation>Whether to enable chroma keying on the layer or not. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                          <xs:element type="number_expression" name="target_hue" minOccurs="0" default="120.0">     <xs:annotation><xs:documentation>The degrees within 0-360 of the hue window centrum of the color to key. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                          <xs:element type="number_expression" name="hue_width" minOccurs="0" default="0.1">        <xs:annotation><xs:documentation>How wide within 0.0-1.0 the hue window of the color to key should be. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                          <xs:element type="number_expression" name="min_saturation" minOccurs="0" default="0.0">   <xs:annotation><xs:documentation>The minimum saturation within 0.0-1.0 of the color to key. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                          <xs:element type="number_expression" name="min_brightness" minOccurs="0" default="0.0">   <xs:annotation><xs:documentation>The minimum brightness within 0.0-1.0 of the color to key. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                          <xs:element type="number_expression" name="softness" minOccurs="0" default="0.0">         <xs:annotation><xs:documentation>How soft the chroma key window should be within 0.0-1.0. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                          <xs:element type="number_expression" name="spill" minOccurs="0" default="1.0">            <xs:annotation><xs:documentation>How much of the chroma fringing should be left within 0.0-1.0. Values below 1.0 gradually replaces the fringe with a gray scale and more transparent equivalent. Can be an expression.</xs:documentation></xs:annotation></xs:element>
-                          <xs:element type="number_expression" name="spill_darken" minOccurs="0" default="2.0">     <xs:annotation><xs:documentation>Defined how dark the spill replacement gray scale should be. The default is 2.0 but can be anywhere between 0.0 and up. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="bool_expression" name="enable" minOccurs="0" default="false">                   <xs:annotation><xs:documentation>Whether to enable chroma keying on the layer or not. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="target_hue" minOccurs="0" default="120.0">             <xs:annotation><xs:documentation>The degrees within 0-360 of the hue window centrum of the color to key. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="hue_width" minOccurs="0" default="0.1">                <xs:annotation><xs:documentation>How wide within 0.0-1.0 the hue window of the color to key should be. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="min_saturation" minOccurs="0" default="0.0">           <xs:annotation><xs:documentation>The minimum saturation within 0.0-1.0 of the color to key. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="min_brightness" minOccurs="0" default="0.0">           <xs:annotation><xs:documentation>The minimum brightness within 0.0-1.0 of the color to key. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="softness" minOccurs="0" default="0.0">                 <xs:annotation><xs:documentation>How soft the chroma key window should be within 0.0-1.0. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="spill_suppress" minOccurs="0" default="0.0">           <xs:annotation><xs:documentation>How much to suppress spill by within 0.0-180.0. It works by taking all hue values within +- this value from target_hue and clamps it to either target_hue - this value or target_hue + this value depending on which side it is closest to. Can be an expression.</xs:documentation></xs:annotation></xs:element>
+                          <xs:element type="number_expression" name="spill_suppress_saturation" minOccurs="0" default="1.0"><xs:annotation><xs:documentation>Controls how much saturation should be kept on colors affected by spill_suppress within 0.0-1.0. Full saturation may not always be desirable to be kept on suppressed colors. Can be an expression.</xs:documentation></xs:annotation></xs:element>
                         </xs:all>
                       </xs:complexType>
                     </xs:element>
+                    <xs:element type="number_expression" name="volume" minOccurs="0" default="1.0">                         <xs:annotation><xs:documentation>The audio volume of the layer. Can be an expression.</xs:documentation></xs:annotation></xs:element>
                     <xs:element name="parameters" minOccurs="0">
                       <xs:annotation>
                         <xs:documentation>
                         <xs:documentation>
                           Each keyframe specifies a value that the variable should have at a specific timeline frame.
                           The value can be either immediately changed if no easing is specified, otherwise it is animated to the value with the given easing curve.
+                          The actual value to animate to can itself be an expression.
                         </xs:documentation>
                       </xs:annotation>
                       <xs:complexType>
                         <xs:simpleContent>
-                          <xs:extension base="xs:decimal">
+                          <xs:extension base="number_expression">
                             <xs:attribute name="at" type="xs:nonNegativeInteger" use="required"><xs:annotation><xs:documentation>The frame to place the keyframe at.</xs:documentation></xs:annotation></xs:attribute>
                             <xs:attribute name="easing" type="easing" use="optional"><xs:annotation><xs:documentation>If omitted there will be no animation but an immediate value change instead.</xs:documentation></xs:annotation></xs:attribute>
                           </xs:extension>
             <xs:field xpath="@variable" />
           </xs:unique>
         </xs:element>
-      </xs:sequence>
+        <xs:element name="tasks" minOccurs="0">
+          <xs:annotation>
+            <xs:documentation>
+              Tasks are scheduled to happen whenever a certain condition arises.
+              Use the at attribute to let the condition be that the timeline arrives at a specific frame
+              or the when attribute to specify a custom bool expression that when becomes true triggers the task.
+            </xs:documentation>
+          </xs:annotation>
+          <xs:complexType>
+            <xs:choice minOccurs="0" maxOccurs="unbounded">
+              <xs:element name="call">
+                <xs:annotation><xs:documentation>Performs the equivalent of an AMCP CALL on the specified layer.</xs:documentation></xs:annotation>
+                <xs:complexType>
+                  <xs:sequence maxOccurs="unbounded">
+                    <xs:element name="arg" type="xs:string"><xs:annotation><xs:documentation>See the producer documentation for the possible arguments.</xs:documentation></xs:annotation></xs:element>
+                  </xs:sequence>
+                  <xs:attribute name="at" use="optional" type="xs:nonNegativeInteger"><xs:annotation><xs:documentation>Trigger the CALL when the timeline gets to this specific frame.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="when" use="optional" type="bool_expression"><xs:annotation><xs:documentation>Trigger the CALL when the specified bool expression becomes true.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="to_layer" use="required" type="identifier"><xs:annotation><xs:documentation>The producer on this layer will receive the CALL.</xs:documentation></xs:annotation></xs:attribute>
+                </xs:complexType>
+              </xs:element>
+              <xs:element name="cg_play">
+                <xs:annotation><xs:documentation>Performs the equivalent of a CG PLAY on the specified layer.</xs:documentation></xs:annotation>
+                <xs:complexType>
+                  <xs:attribute name="at" use="optional" type="xs:nonNegativeInteger"><xs:annotation><xs:documentation>Trigger the CG PLAY when the timeline gets to this specific frame.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="when" use="optional" type="bool_expression"><xs:annotation><xs:documentation>Trigger the CG PLAY when the specified bool expression becomes true.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="to_layer" use="required" type="identifier"><xs:annotation><xs:documentation>The CG producer on this layer will receive the CG PLAY.</xs:documentation></xs:annotation></xs:attribute>
+                </xs:complexType>
+              </xs:element>
+              <xs:element name="cg_stop">
+                <xs:annotation><xs:documentation>Performs the equivalent of a CG STOP on the specified layer.</xs:documentation></xs:annotation>
+                <xs:complexType>
+                  <xs:attribute name="at" use="optional" type="xs:nonNegativeInteger"><xs:annotation><xs:documentation>Trigger the CG STOP when the timeline gets to this specific frame.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="when" use="optional" type="bool_expression"><xs:annotation><xs:documentation>Trigger the CG STOP when the specified bool expression becomes true.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="to_layer" use="required" type="identifier"><xs:annotation><xs:documentation>The CG producer on this layer will receive the CG STOP.</xs:documentation></xs:annotation></xs:attribute>
+                </xs:complexType>
+              </xs:element>
+              <xs:element name="cg_next">
+                <xs:annotation><xs:documentation>Performs the equivalent of a CG NEXT on the specified layer.</xs:documentation></xs:annotation>
+                <xs:complexType>
+                  <xs:attribute name="at" use="optional" type="xs:nonNegativeInteger"><xs:annotation><xs:documentation>Trigger the CG NEXT when the timeline gets to this specific frame.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="when" use="optional" type="bool_expression"><xs:annotation><xs:documentation>Trigger the CG NEXT when the specified bool expression becomes true.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="to_layer" use="required" type="identifier"><xs:annotation><xs:documentation>The CG producer on this layer will receive the CG NEXT.</xs:documentation></xs:annotation></xs:attribute>
+                </xs:complexType>
+              </xs:element>
+              <xs:element name="cg_invoke">
+                <xs:annotation><xs:documentation>Performs the equivalent of a CG INVOKE on the specified layer with the specified label.</xs:documentation></xs:annotation>
+                <xs:complexType>
+                  <xs:attribute name="at" use="optional" type="xs:nonNegativeInteger"><xs:annotation><xs:documentation>Trigger the CG INVOKE when the timeline gets to this specific frame.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="when" use="optional" type="bool_expression"><xs:annotation><xs:documentation>Trigger the CG INVOKE when the specified bool expression becomes true.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="to_layer" use="required" type="identifier"><xs:annotation><xs:documentation>The CG producer on this layer will receive the CG INVOKE.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="label" use="required" type="nonEmptyString"><xs:annotation><xs:documentation>The label that will be invoked.</xs:documentation></xs:annotation></xs:attribute>
+                </xs:complexType>
+              </xs:element>
+              <xs:element name="goto_mark">
+                <xs:annotation><xs:documentation>Makes the scene go to a specific start mark given a specific condition becoming true.</xs:documentation></xs:annotation>
+                <xs:complexType>
+                  <xs:attribute name="when" use="required" type="bool_expression"><xs:annotation><xs:documentation>Go to the start mark when the specified bool expression becomes true.</xs:documentation></xs:annotation></xs:attribute>
+                  <xs:attribute name="label" use="required" type="nonEmptyString"><xs:annotation><xs:documentation>The label of the start mark that the scene should go to.</xs:documentation></xs:annotation></xs:attribute>
+                </xs:complexType>
+              </xs:element>
+            </xs:choice>
+          </xs:complexType>
+        </xs:element>
+      </xs:all>
       <xs:attribute type="xs:positiveInteger" name="width" use="required" />
       <xs:attribute type="xs:positiveInteger" name="height" use="required" />
     </xs:complexType>
         </xs:documentation>
       </xs:annotation>
       <xs:whiteSpace value="collapse" />
-      <xs:pattern value="\$\{.+\}" />
+      <xs:pattern value="$\{.+\}" />
     </xs:restriction>
   </xs:simpleType>
 
       <xs:enumeration value="A string constant" />
       <xs:enumeration value="${&quot;A string constant&quot;}" />
       <xs:enumeration value="${variable.some_string + &quot; will be concatenated&quot;}" />
+      <xs:enumeration value="${to_lower(variable.some_string)}" />
+      <xs:enumeration value="${to_upper(variable.some_string)}" />
       <xs:enumeration value="${&quot;Concatenate string with number: &quot; + variable.some_number}" />
       <xs:enumeration value="${&quot;Concatenate string with different strings based on bool: &quot; + (variable.some_bool ? &quot;Enabled&quot; : &quot;Disabled&quot;)}" />
       <xs:enumeration value="${mouse_x &lt; 640 ? &quot;Left of middle&quot; : variable.message_when_right_of_middle}" />
       <xs:enumeration value="${sin(angle)}" />
       <xs:enumeration value="${cos(angle)}" />
       <xs:enumeration value="${abs(value)}" />
+      <xs:enumeration value="${floor(value)}" />
+      <xs:enumeration value="${length(str)}" />
       <xs:enumeration value="${animate(expression_to_animate, duration, tweener)}" />
       <xs:enumeration value="${animate(layer.to_follow.x, 200, &quot;easeoutelastic&quot;)}" />
     </xs:restriction>