Handle multiple SampleGrabber

Question

I created a graph which has two SampleGrabbers. When I want to set callback function, I use this code for both SampleGrabbers:

SetCallback(this, 1);

Both SampleGrabbers use my BufferCB function. When I get a frame in BufferCB function, how can I understand that frame is for first SampleGrabber or the second one?

Any idea?

Thanks

Answer 1

To distinguish between grabbers you need to have different instances of the object you implement your callback on.

See more: Using multiple sample grabbers.