Add bonsai.ffmpeg.videowriter to savedata tutorial (#54)

* Add bonsai.ffmpeg to videowriter to savedata tutorial

Also:
- Correct quaternion spelling in all files
- Remove some old assets

---------

Co-authored-by: ChucklesOnGitHub <[email protected]>

Author: cjsha

source/_static/downloads/uclaminiscopev4-miniscopedaq-savedata.bonsai

@@ -1,8 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<WorkflowBuilder Version="2.8.5"
+<WorkflowBuilder Version="2.9.0"
                  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                  xmlns:p1="clr-namespace:OpenEphys.Miniscope;assembly=OpenEphys.Miniscope"
                  xmlns:cv="clr-namespace:Bonsai.Vision;assembly=Bonsai.Vision"
+                 xmlns:ffmpeg="clr-namespace:Bonsai.FFmpeg;assembly=Bonsai.FFmpeg"
                  xmlns:rx="clr-namespace:Bonsai.Reactive;assembly=Bonsai.Core"
                  xmlns:io="clr-namespace:Bonsai.IO;assembly=Bonsai.System"
                  xmlns="https://bonsai-rx.org/2018/workflow">
@@ -21,13 +22,17 @@
       <Expression xsi:type="MemberSelector">
         <Selector>Image</Selector>
       </Expression>
+      <Expression xsi:type="Annotation">
+        <Name>Uncompressed Video</Name>
+        <Text><![CDATA[]]></Text>
+      </Expression>
       <Expression xsi:type="Combinator">
         <Combinator xsi:type="cv:VideoWriter">
           <cv:FileName>uclaminiscopev4-image_.avi</cv:FileName>
           <cv:Suffix>Timestamp</cv:Suffix>
           <cv:Buffered>true</cv:Buffered>
           <cv:Overwrite>false</cv:Overwrite>
-          <cv:FourCC>DIB </cv:FourCC>
+          <cv:FourCC>Y800</cv:FourCC>
           <cv:FrameRate>30</cv:FrameRate>
           <cv:FrameSize>
             <cv:Width>0</cv:Width>
@@ -36,14 +41,29 @@
           <cv:ResizeInterpolation>NearestNeighbor</cv:ResizeInterpolation>
         </Combinator>
       </Expression>
+      <Expression xsi:type="Annotation">
+        <Name>Losslessly Compresed Video</Name>
+        <Text><![CDATA[]]></Text>
+      </Expression>
+      <Expression xsi:type="Disable">
+        <Builder xsi:type="Combinator">
+          <Combinator xsi:type="ffmpeg:VideoWriter">
+            <ffmpeg:FileName>uclaminiscopev4-image_.avi</ffmpeg:FileName>
+            <ffmpeg:Suffix>None</ffmpeg:Suffix>
+            <ffmpeg:Overwrite>false</ffmpeg:Overwrite>
+            <ffmpeg:FrameRate>0</ffmpeg:FrameRate>
+            <ffmpeg:OutputArguments>-c: ffv1 -pix_fmt gray -bits_per_raw_sample 8</ffmpeg:OutputArguments>
+          </Combinator>
+        </Builder>
+      </Expression>
       <Expression xsi:type="MemberSelector">
         <Selector>FrameNumber,Quaternion</Selector>
       </Expression>
       <Expression xsi:type="Combinator">
         <Combinator xsi:type="rx:Timestamp" />
       </Expression>
       <Expression xsi:type="io:CsvWriter">
-        <io:FileName>uclaminiscopev4-quart_.avi</io:FileName>
+        <io:FileName>uclaminiscopev4-quat_.avi</io:FileName>
         <io:Delimiter>,</io:Delimiter>
         <io:Append>false</io:Append>
         <io:Overwrite>false</io:Overwrite>
@@ -54,10 +74,13 @@
     </Nodes>
     <Edges>
       <Edge From="0" To="1" Label="Source1" />
-      <Edge From="0" To="3" Label="Source1" />
-      <Edge From="1" To="2" Label="Source1" />
-      <Edge From="3" To="4" Label="Source1" />
-      <Edge From="4" To="5" Label="Source1" />
+      <Edge From="0" To="6" Label="Source1" />
+      <Edge From="1" To="3" Label="Source1" />
+      <Edge From="2" To="3" Label="Source2" />
+      <Edge From="3" To="5" Label="Source1" />
+      <Edge From="4" To="5" Label="Source2" />
+      <Edge From="6" To="7" Label="Source1" />
+      <Edge From="7" To="8" Label="Source1" />
     </Edges>
   </Workflow>
 </WorkflowBuilder>