----- Original Message ----- From: "Gerd Knorr" <kraxel@xxxxxxxxxxx> To: <video4linux-list@xxxxxxxxxx> Sent: Friday, April 25, 2003 3:38 PM Subject: Re: multiple gbuffers option > "Miguel A. Rasero(Barea Comunicaciones)" <tecnico@xxxxxxxxxxxxxxxxxxxxxxx> writes: > > > > use the v4l2 API, bttv will use the buffer size actually needed by the > > > application then. The insmod option works for all cards, no way to > > > specify some specific value per card. > > > I am using the v4l2 API but i am using more than 1 application in each card, > > this is the problem, to do this i need set the gbuffers low but on the > > others cards where i am running only xawtv i need an high gbuffer. > > Why does gbuffers being high hurt on the other cards? > > Gerd > Gerd i don´t know what is the real reason, i will try to explain you what is my problem, i am using in the same capture device 3 programs, helix producer 352x288, mp4live 352x288, helix producer 192x128 and i need do that, if i use gbuffers=8 for example each program doesn´t gives me more than 2 or 3 frames by second, if i use gbuffers=2 i have 7 or 8 frames by second in each one, on the other side i have other capture cards where i want to use xawtv in realtime but xawtv doesn´t looks good if i use any gbuffer option lower than 4, i don´t know the real reason but it is my problem, can you help me in any way? thanks.
