ff_v4l2_format_avfmt_to_v4l2 482 libavcodec/v4l2_context.c v4l2_fmt = ff_v4l2_format_avfmt_to_v4l2(pixfmt); ff_v4l2_format_avfmt_to_v4l2 32 libavcodec/v4l2_fmt.h uint32_t ff_v4l2_format_avfmt_to_v4l2(enum AVPixelFormat avfmt);