Hartmut Hackmann wrote: > rghetta wrote: >> Is detecting an over-4-DMA-channels situation and returning a specific >> error (perhaps "bandwidth exceeded" or something like that) a viable >> option ? >> This way only an illegal combination will be flagged and the >> application could have a chance to inform the user or revert to a >> more appropriate format. >> > This can be detected and would be far better than nothing. But this message > would go into the kernel log. Afaik, there is no way to get this on a > display. > Its also dangerous to refuse the streaming. Some applications don't have > timouts and will simpy hang if a DMA streaimg doesn't happen... Uh, sorry, I wasn't clear. I wasn't thinking about a message, but a real error. To be more precise, making the VIDIOC_S_FMT/VIDIOC_TRY_FMT ioctl fail with a specific error code (if I understood correctly the v4l2 api) Ciao, Riccardo _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
