Le 26 oct. 2014 à 11:11, Christian Schmitz a écrit:
>> Hello,
>> The QTChapterTrackMBS has methods to get the chapters, but not to add them
>> (and getting them doesn't work, as I tried, BTW; I get binary data which
>> make no sense, even talking about zip files…?).
>
> Well, last time I tried it, it worked. Not sure what happens for you.
Yes, I don't know where the data I get are taken from. It even contains
references of “Path Finder”, an app that I'm using, but which I highly doubt
the movie needs a reference to.
In case you wonder whether the function may get bad results, here's the code I
tried (so you may get reassured about your plugin if you find that my code is
just wrong ;-) ):
dim c As QTChapterTrackMBS
dim e As EditableMovie
dim f As FolderItem
f=GetOpenFolderItem("QuickTime Movies")
if f<>nil then
e=f.OpenEditableMovie
if e<>nil then
c=e.ChapterTrackMBS
if c<>nil then
for i as Integer=1 to c.ChapterCount
MsgBox c.ChapterText(i)
next
end if
end if
end if
>> The class it adds to the movie (QTChapterDataMBS) has just one property that
>> deals with timing (FrameDuration).
>
> yes. Track has a start time like any track. Change with QTTrackMBS.TimeOffset.
>
>> However, this is the duration of the chapter, not it's actual position.
>
> Position of one chapter is sum of durations of previous chapters plus track
> start time.
Ok, hmm… mathematically, I can remember the last marker's position and (for the
start one) compute the gap length and (for the end one) get the
track-to-be-added's length. I'd stack the chapters.
The only doubt I have still is the unit (sometimes QT functions take an
absolute time in seconds, sometimes it's a time calculated considering the
sample rate); I'll try both, unless you answer faster than I code, which is
likely to happen ;-)
Thank you.
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