ff_v4l2_format_v4l2_to_avfmt  520 libavcodec/v4l2_context.c         pixfmt = ff_v4l2_format_v4l2_to_avfmt(fdesc.pixelformat, AV_CODEC_ID_RAWVIDEO);
ff_v4l2_format_v4l2_to_avfmt   30 libavcodec/v4l2_fmt.h enum AVPixelFormat ff_v4l2_format_v4l2_to_avfmt(uint32_t v4l2_fmt, enum AVCodecID avcodec);
ff_v4l2_format_v4l2_to_avfmt   66 libavcodec/v4l2_m2m_dec.c     avctx->pix_fmt = ff_v4l2_format_v4l2_to_avfmt(capture->format.fmt.pix_mp.pixelformat, AV_CODEC_ID_RAWVIDEO);
ff_v4l2_format_v4l2_to_avfmt  356 libavcodec/v4l2_m2m_enc.c     pix_fmt_output = ff_v4l2_format_v4l2_to_avfmt(v4l2_fmt_output, AV_CODEC_ID_RAWVIDEO);