Re: yuv4mpeg API audio extensions

On Mon, 22 Oct 2007, Burkhard Plaum wrote:

> question is, why do you need that? All the existing filters are video only...

	"y4m" is a elementary video format. For anything more complex 
	(editors or multi-stream  files) I concur with you (Burkhard) that 
	Quicktime files are the better approach.   

	Modifying a simple video frame format to handle multiplexed formats
	and the issues mentioned earlier

- per-frame timestamps
- arbitrary numbers or A/V streams
- Sample accurate seek support :)

	does not seem to be a good idea to me.  It's the "if all you have
	is a hammer then every problem looks like a nail" approach.  Better
	I think to use a different tool (value of a larger toolbox) or workflow.

> And for (un)packing audio along with video in Quicktime files, there are the
> qttoy4m and y4mtoqt tools, with the advantage that Quicktime files are also
> compatible with commercial applications (although they cannot be used in pipes).

	Indeed.  And that is the workflow I use.  From programs such as
	FinalCutPro I export a Quicktime file that is used with qttoy4m.

> I'm not an mjpeg developer so my opinion counts nothing here, but I wrote enough

	That situation can easily be remedied.  Would you like to be a
	developer? 

	Cheers,
	Steven Schultz


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