[opendtv] Re: Adobe in Push to Spread Web Video to TV Sets
- From: Tom Barry <trbarry@xxxxxxxxxxx>
- To: opendtv@xxxxxxxxxxxxx
- Date: Thu, 23 Apr 2009 18:10:22 -0400
A couple months ago I downloaded a few Tai Chi videos from You Tube
using a Firefox Grease Monkey script. At that time they were all .FLV
files that appeared to need the flash support in VLC to play. But I
guess that does not mean there aren't other formats on You Tube now also.
- Tom
Craig Birkmaier wrote:
> At 10:33 PM -0700 4/22/09, dan.grimes@xxxxxxxx wrote:
>> "QuickTime in with Silverlight and Flash. Both of these compression
>> formats could run under QuickTime if Microsoft and Adobe CHOSE to
>> develop plug-in codecs for QuickTime. But this does not let THEM
>> control the end-user experience." Craig Birkmaier
>>
>>
>>
>>
>>
>> It is my understanding that Flash is a wrapper like QuickTime is.
>> Both can hold h.264. I have not researched SilverLight so I cannot
>> speak to it. Windows media is the most consistent i n its codec use
>> but might be considered a wrapper since it does have various codec
>> flavors. Of course, this doesn't negate Craig's point that any media
>> player can theoretically be able to decode a competitor's codec or
>> wrapper.
>>
>
> All of these products have some form of wrapper for the files. Adobe
> did add h.264 and AAC support to Flash, but it is not necessary to use
> the Adobe wrapper. It is not clear whether YouTube still uses the
> Flash wrapper for h.264, or if they have moved to the industry
> standard MP4 file format that is based on the QuickTime wrapper.
>
> Flash has a significant player toolbox to support audio, video and 2D
> animation, but it is not a toolbox like QuickTime that provides
> support for inter-format conversions, nor does it allow third parties
> to add their own plug-ins, including codecs.
>
> Silkverlight uses a wrapper format that is part of the Silverlight
> "open source" project.
>
> Regards
> Craig
>
>
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