I have a question to the mmal-interface: How is it possible to set the frequency of iframes in the h264 stream? In the documentation are some parameters like
and so on, but i can't find an explanation what they exactly do. My problem is that I have a circular buffer for the video and if this buffer is smaller than 3 seconds, it can happen that there is no iframe in the buffer anymore and hence the whole content useless.
Any help would be appreciated