It is necessary to achieve the speed of traffic when streaming from a USB camera that gives H264 frames with a frequency of 30 fps in a resolution of 1920×1080 about 6 mbit/s, no more than 2 mbit/s, all this is done on a weak ARMv7, so the option of transcoding is extremely resource intensive, especially considering that I did not find how to do it as a GPU Mali.

Given that the basic functionality is performed on the ffmpeg frame, is it possible to reduce the frame rate WITHOUT loss of quality and decoding, ideally, to the level of 10 fps???