[gst-devel] Re: [gst-cvs] wtay gstreamer: gstreamer/docs/random/wtay/

[Andy Wingo]

On Thu, 12 Sep 2002, Wim Taymans wrote:

> +- multi-out elements can introduce significant latency. consider:
> +
> +  (-group1----------) (-group2-----------------)
> +  !                 ! !                        !
> +  ! *filesrc -> mad --> *%identity -> osssink  !
> +  (-----------------) (------------------------)
> +
> +  mad produces N output buffers, they are queued in the bufpen, when
> +  group1 is done, group2 is scheduled to empty the bufpen queue.
>  
> +  The time it takes for the first buffer to arrive at osssink equals
> +  the time needed to decode the N-1 other buffers.
>  
> +  Of course, given the right buffersize for filesrc N can be reduced
> +  to 1. mad can also suggest a buffersize to filesrc with the 
> +  BUFFER_SIZE event.

Is it still the case that loop and chain elements are the same latency,
if they have constant data rates?

thanks,

wingo.