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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Multimedia (https://talk.maemo.org/forumdisplay.php?f=32)
-   -   VLC Player Officially coming (https://talk.maemo.org/showthread.php?t=33739)

zaheerm 2009-12-01 15:56
Re: VLC Player Officially coming
 
Quote:
Originally Posted by daperl (Post 402968)
480p is HD and should be a good fit for the n900. Downscaling 720p on-the-fly so you don't have to transcode doesn't seem reasonable to me. Get an ION netbook if you want to watch 720p.
480p is SD not HD.

daperl 2009-12-01 16:06
Re: VLC Player Officially coming
 
Quote:
Originally Posted by zaheerm (Post 402974)
480p is SD not HD.
You're right, thanks. I think I meant to say that 480p is one of the standard ATSC formats. Totally unrelated.

qole 2009-12-01 17:48
Re: VLC Player Officially coming
 
Quote:
Originally Posted by redenisc (Post 402652)
Also, currently I believe only gstreamer can use the DSP. So mplayer or VLC or whatever non-gstreamer thing will have to do the decoding on the Cortex. Not only am I not aware of any DSP support plans for non-gstreamer apps, but I am not sure if the DSP arbitration allows for third party application.
Quote:
Originally Posted by zaheerm (Post 402696)
Nokia have provided the TI DSP codecs for decoding. These will not do 720p like the HD pack but an enterprising dev or company could create better optimised codecs and sell them on ovi store or provide them in extras.
zaheerm: Do you see any possibility of bringing DSP-accelerated decoding to third-party apps (mplayer & VLC)? Or do you agree with redenisc?

shadowjk 2009-12-01 20:38
Re: VLC Player Officially coming
 
I guess the TI DSP codecs are closed, but is there documentation on how to access them from outside of gstreamer?
And of course, what redenisc asked, whether third party apps can at all access them or if it's locked to gstreamer :)

zaheerm 2009-12-02 09:32
Re: VLC Player Officially coming
 
Quote:
Originally Posted by qole (Post 403182)
zaheerm: Do you see any possibility of bringing DSP-accelerated decoding to third-party apps (mplayer & VLC)? Or do you agree with redenisc?
gst-dsp is free software

http://github.com/felipec/gst-dsp

The code could be adapted for other media players like mplayer and vlc. Just a matter of work.

redenisc 2009-12-02 15:42
Re: VLC Player Officially coming
 
That was not my point. Yes, the code is open-source, and nothing prevents mplayer, VLC or whoever else from re-implementing it (except time constraints).

But that does not prove that access arbitration will work and the device won't burn in flames if say mplayer tries to use the DSP at the same time as gstreamer.

zaheerm 2009-12-02 15:50
Re: VLC Player Officially coming
 
Quote:
Originally Posted by redenisc (Post 405037)
That was not my point. Yes, the code is open-source, and nothing prevents mplayer, VLC or whoever else from re-implementing it (except time constraints).

But that does not prove that access arbitration will work and the device won't burn in flames if say mplayer tries to use the DSP at the same time as gstreamer.
The dsp would error out on one or the other if it failed. This would happen if multiple gstreamer based processes used it too, so no different. I don't mind only having GStreamer but if others want mplayer/vlc let them do the work to get the dsp stuff working.

qole 2009-12-02 17:50
Re: VLC Player Officially coming
 
Oh I seriously hope either VLC or MPlayer gets some DSP code.

therock 2009-12-02 17:56
Re: VLC Player Officially coming
 
oh yeah that would be sweet!

bocaJ 2009-12-02 18:09
Re: VLC Player Officially coming
 
I'm sorry, I normally consider myself pretty tech-savvy, but could someone explain what "access arbitration" is, how it relates to this discussion and what it has to do with my future N900 dying in a fire?


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