[M4IF Technotes] Envivio WMP MP-4 plugin

[Boris Felts]

Hi Jingyi,
> I like your new player. It work with my Windows XP 8.0 Media player. But
> I find there still some bugs have not been fixing in the new version:

Thanks for your remarks. You might want to put them on our forum (on 
www.envivio.com) if it concerns only Envivio.
M4IF has a group dedicated to interoperability. Envivio and many other 
companies participate in this effort, and I can only encourage you to 
participate in this if you want to test your files against other players.
> 1) Do not play MP4 short header files?

It should play them. Short header files from other companies are correctly 
decoded.
> 2) Do not play PacketVideo Video only or AAC+Video MP4 file. (I have
> test other players, they can play fine).

We tested the files Packetvideo uploaded to the M4IF interop site few months 
ago and they worked correctly. We will check that again. Our player is usually 
stricter on the file syntax than other players. 
> 3) Do not play 3GPP MP4 files.

This is wrong in general -we can play 3GPP files locally-, but may be true for 
some files. We support only files with AAC and MPEG-4 simple profile video (or 
short header).
> I would like see those bugs fixed. And other players can support those
> items.

We do our best, but we usually give higher propriorities to the potential bugs 
discovered during organized interoperability tests and plug-fests.
Feel free to post your remarks, bugs etc. on our forum.
Regards,
Boris
> Thanks.
> 
> Jingyi Hu
> 
> 
> -----Original Message-----
> From: technotes-admin   lists.m4if.org
> [mailto:technotes-admin   lists.m4if.org] On Behalf Of Alain Tritschler
> Sent: Wednesday, September 04, 2023 8:25 AM
> To: David.Matthewson   usa.net; technotes   lists.m4if.org
> Subject: RE: [M4IF Technotes] Envivio WMP MP-4 plugin
> 
> Hello David,
> Glad to hear you were happy with this new plug-in !
> We tested our plug-in with WMP 7.1 as well, and didn't notice particular
> problems with this version.
> Could you send me a more precise description of your problem (with the
> exact
> version of WMP as well ...), and we can try to reproduce it in our labs.
> Cheers,
> 
> Alain
> 
> 
> ----
> Alain Tritschler
> EnvivioTV Project Leader
> Envivio, Inc.
> 15, rue de l'erbonière
> F-35510 Cesson-Sévigné
> 
> -----Message d'origine-----
> De : technotes-admin   lists.m4if.org
> [mailto:technotes-admin   lists.m4if.org]De la part de David.Matthewson
> Envoyé : mercredi 4 septembre 2002 12:03
> À : technotes   lists.m4if.org
> Objet : [M4IF Technotes] Envivio WMP MP-4 plugin
> 
> 
> Good to see that Envivio have (at last!)[http://www.envivio.com]
> released
> this and we can confirm that it works quite well -(OK, it works better
> than
> any other player we've had to date!) with Darwin & QSS using RTSP.
> 
> But but but, we have tried it on various dev. machines with W2K and find
> it
> only works with media player 6.4 (the old style GUI) and not the
> (nasty!)
> 7.x version.
> 
> Can anyone else confirm this behaviour as I see this plugin as being key
> in
> getting MP4 to the 'masses' as it were?
> 
> TiA
> 
> David
> 
> 
> 
> Dr David K Matthewson
> -------------------------------------------
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Boris Felts
Envivio.
boris   envivio.com
(1) 650 875 3010