On 1 May 2012, at 19:03, Mark Knecht wrote:
>> … 
>> Since .mp4 video most always means h264 encoding, this means slow and dirty 
>> transcoding, which will inherently cause loss of video quality. You want to 
>> avoid transcoding if you can.
>> 
> …
> Hi Stroller,
>   I subscribed to a trading service that provides 6 1/2 hour videos
> of the day's market action with audio commentary for each trading day
> of the week. I like this trader who does the commentary so after the
> market closes I'd like to review what he thought about the day's
> action. These files are available only in wmv format. They play fine
> inside of a Windows VM using Windows Media Player on my Gentoo box but
> I'd prefer to be able to review them in Linux using xine or some other
> app.

Ah, so no good alternative, then, and you probably don't care so much about 
video quality, as long as it's watchable.

>> The "wmv" extension usually indicates an ASF container, and the ASF
>> container can have DRM. I see them every once in a while, and
>> ffmpeg/mplayer have no idea what to do with them.
> 
> …  I sort
> of doubt the DRM restriction on this stuff. The web site asks
> subscribers not to farward these to their friends, etc., and says
> subscribers are on the honor system. They appears to be simple
> recordings of of his screen and audio coming from an inexpensive mic.
> Nothing more.

It might well be worth trying these win32codecs, then - setting the USE flag in 
mplayer and re-emerging. I wouldn't hold my breath, but it's worth a go. He's 
probably using some MS screencast software. 

Stroller.


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