[haiku] Re: GSoC: Writing native interfaces for ported applications
- From: Axel Dörfler <axeld@xxxxxxxxxxxxxxxx>
- To: haiku@xxxxxxxxxxxxx
- Date: Wed, 14 Apr 2010 15:13:32 +0200
On 04/14/2010 02:30 PM, David McPaul wrote:
[...]
> The VideoMixer will not care how the bitmaps are produced, it will
> just merge streams together and output at the framerate of the primary
> stream.
>
> I expect the DVD subtitle tracks would be similar and just like
> MediaPlayer recognises multiple audio tracks and allows selection
> between them it will need to also handle multiple subtitle tracks and
> allow selection.
DVD subtitles are actual bitmaps ready to be rendered (ie. there is no
built-in font in your DVD player).
> Yes text subtitles would be rendered as bitmaps. Bitmap subtitles
> might actually be tricker as it would be seen as a seperate video
> track.
I don't see a difference there as long as you always render bitmaps,
anyway. In both cases I would assume they are published as additional
video tracks that just need to be marked as subtitles somehow.
Bye,
Axel.
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