ff_fmt_v4l2ff      58 libavdevice/v4l2-common.h enum AVPixelFormat ff_fmt_v4l2ff(uint32_t v4l2_fmt, enum AVCodecID codec_id);
ff_fmt_v4l2ff     282 libavdevice/v4l2.c         enum AVPixelFormat pix_fmt = ff_fmt_v4l2ff(vfd.pixelformat, codec_id);
ff_fmt_v4l2ff     947 libavdevice/v4l2.c     st->codecpar->format = ff_fmt_v4l2ff(desired_format, codec_id);