v4l2_get_sar      199 libavcodec/v4l2_context.c         s->output.sample_aspect_ratio = v4l2_get_sar(&s->output);
v4l2_get_sar      206 libavcodec/v4l2_context.c         s->capture.sample_aspect_ratio = v4l2_get_sar(&s->capture);