Unfortunately there is a limitation on using macros within parameters (they
perform simple substitutions instead of what you would expect)
try
\define videocall()
<video width=480 height=384 controls="controls">
<source src= {{VideoPathDictionary##$(origin)$}}$(filename)$/>
</video>
\end
<$set name="origin" value={{!!origin}}>
<$set name="filename" value={{!!filename}}>
<<videocall>>
</$set>
</$set>
BJ
On Thursday, June 25, 2015 at 12:18:46 PM UTC+1, FrD wrote:
>
> Hi,
>
> I'm trying to built a TW5 to be used as a front-end for various teaching
> videos.
> The videos are extracted from various sources, mostly DVDs and Youtube
> videos. They are all on the local disk.
> One DVD is split into several mp4 videos, all stored in the same
> directory. So I have one directory per DVD, and some more for the videos I
> downloaded from Youtube.
>
> In the TW I plan to have one tiddler for each video. I've built a template
> to be transcluded in each video tiddler.
>
> The content of a video tiddler is : {{||VideoTemplate}}
>
> It has two fields (and some others but not relevant here) :
> * "origin" : the source of the video, for instance "DVDSubject1"
> * "filename" : the name of the video file, for instance "subject1part1.mp4"
>
> The path to the video directory is in a dictionary tiddler
> (VideoPathDictionary) :
>
> DVDSubject1:RelativePathToVideoDirectoryDVDSubject1
> DVDSubject2:RelativePathToVideoDirectoryDVDSubject2
> YTSubject5:RelativePathToVideoDirectoryYoutubeSubject5
>
> One example of relative path is : ../../Videos/DVDSubject1
>
> The template tiddler contains :
>
> \define videofullfilename()
> {{VideoPathDictionary##$(origin)$}}$(filename)$
> \end
>
> \define videocall()
> <video width=480 height=384 controls="controls">
> <source src=$(mySource)$/>
> </video>
> \end
>
> <$set name="origin" value={{!!origin}}>
> <$set name="filename" value={{!!filename}}>
> <$set name="mySource" value=$(videofullfilename)$>
> <<videocall>>
> </$set>
> </$set>
> </$set>
>
> I've tried many combinations but no way to get the right filename for the
> source attribute !
>
> Could someone help ?
>
> I've used successfully that code structure to set the width and height of
> the video, with two dictionary tiddlers : VideoWidthDictionary and
> VideoHeightDictionary, but I can't figure out why it doesn't work with the
> source attribute.
>
> Thanks
>
> FrD
>
>
>
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