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Posted by Calvin on 03/02/07 01:39
Clubsprint wrote:
> "Ken Maltby" <kmaltby@sbcglobal.net> wrote in message
>
>>>Its a pain when people choose to use obscure codecs, hey?
>>
>> If you count all the places H.264 is in use, you could hardly
>>call it "obscure". And given that this is crossposted to "DVD"
>>Newsgroups, the HD-DVD and BluRay DVD, can use it.
What everyone has to realise is that 'MP4' as such is NOT a codec, it is
a media wrapper - much in the same way that 'AVI' was. The contained
media can use any of several codecs for video and audio.
MP4 is a bit more tightly speced than earlier wrappers and makes
specific mention of what codec may be used in the container.
Commonly, the video is H.264 and the audio is AAC, but there are lots of
other combinations possible.
To find out what is inside a particular media file I recommend Steve's
great software package 'GSpot' from here: http://www.headbands.com/gspot/
> Don't know as I'd call it particularly common. I've had a pretty hard time
> trying to find a codec or player to view the files. Better part of a day
> searching and testing various stuff. Still haven't been able to find a
> downloadable codec so I can play the files in Mediaplayer etc.
I always have a copy of VLC at the ready to play back stuff that Windows
Media Player chokes on - quite common actually - Microsoft's coding
effort is up to it's usual abysmal standard !
You may want to check out the .3ivx codec (included in most 'codec
packs' you download from the net. It appears to be able to handle h.264
quite nicely. Occasionally it needs a little help to recognise the file
as a playable type - try renaming the .mp4 file with a .3ivx extension
and see if Media Player will look at it then.
Calvin.
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