Re: how to improve the capture speed from V4L

[zw_0000 <zw_0000@xxxxxxx>]

James REGIS wrote:

> hi,I am make program to capture from v4l device, when I use 640x480, 
> it can't do 12.5 frame per second,this speed is common, with 320x240, 
> it also do 12.5 fps,it's too slow, why? I compare with the fbtv in 
> console mode, 640x480 it can do 12.5 fps, the same as mine, but with 
> resolution 320x240,it can do 24~25 fps, the source code of fbtv is 
> fairly complex and now I have no much time to read it. can anyone give 
> me a sugguest to improve the capture speed! I attache my code for ref 
> .thanks!

u can download the videodog source code for ref, it's small , so it's 
easy to understand it! follow it's flow process, and u can  get  24~25  
fps !  useing it's method ,  I resolved the same problen with you!

good lucky!