Hi Javier, On Monday 02 January 2012 11:22:54 javier Martin wrote: > Hi, > i've just arrived the office after holidays and it seems you have > agreed some solution to the sequence number issue. > > As I understand, for a case where there is 1:1 correspondence between > input and output (which is my case) I should do the following: > > - keep an internal frame counter associated with the output queue. > - return the frame number when the user calls VIDIOC_QBUF on the output. > - pass the output frame number to the capture queue in a 1:1 basis That's right. > So in my chain of three processed nodes each node has its own internal > frame counter and frame loss should be checked at the video source. You can use an internal frame counter for each node if needed for internal operation, but that's not required from the userspace point of view. > Is that OK? -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
