[FFmpeg-devel] libavformat and video4linux2 acquire problems

[Luca Abeni]

Hi Limin,

Limin Wang wrote:
[...]
>> What does a NULL tvstd mean? Does it leave the tv standard as it is, 
>> without trying to set it? If yes, I think we need this patch.
> 
> Yes, it'll leave the tv standard as system is if it's NULL. I'll submit
> it tonight for review.
Good, thanks.

[...]
> With int value, you had to try with 0, 1, 2, 3 even you know it's S-video
> input. If you're preferable to use int, I'll not submit this change. So 
> how about to use -1 to leave default system config as tvstd use NULL?
This (the "-1 == do not try to set the input" thing) would be very 
useful (assuming it does not break other things...).
If you provide a patch, and it does not break dv capturing or similar 
things, I'll be very happy to apply it.


			Thanks,
				Luca