Re: how to get best capture size

[Robert Reid]

I'm testing capturing on my saa7134 (FV3k, PAL).  Using streamer, it 
records in 320x240 by default, and is fine.  But I've tried guessing 
some higher frame sizes and it becomes jerky.

If there is such a thing as full-frame size for a PAL saa7134, does 
anyone know what it is?

Regards,
Rob
Michel Bardiaux wrote:

Jacek Dylak wrote:
> Hi All,
>
> I'v got BT878 TV card (from AverMedia) plus video4linux. How I can
> get to know what is the best capture window size. From the driver I
> can get only maximum possible size (924x576). Somebode has recently
> mentioned 704x576 size as the standard size - how do I know that is
> the standard size of my capture card.
>
Looks like you have to use 704x576 when the signal is 4/3 and 924x576
when 16/9. But I have no idea how one detects in V4L that the channel
starts (or stops) transmitting in 16/9.


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