Function ffmpeg_sys_next::av_pix_fmt_desc_get_id

pub unsafe extern "C" fn av_pix_fmt_desc_get_id(
    desc: *const AVPixFmtDescriptor
) -> AVPixelFormat

@return an AVPixelFormat id described by desc, or AV_PIX_FMT_NONE if desc is not a valid pointer to a pixel format descriptor.