Killing Kick Latency

kick 레이턴시 줄이기
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// ==UserScript==
// @name         Killing Kick Latency
// @namespace    http://tampermonkey.net/
// @version      1.01
// @description  kick 레이턴시 줄이기
// @author       purirun
// @match        https://www.kick.com/*
// @match        https://kick.com/*
// @grant        none
// @run-at       document-idle
// @license MIT
// ==/UserScript==

(function () {
  const VIDEO_SEL = 'video';
  let delayText = null;
  let isCooling = false;
  let chaseInterval = null;

  function getControlBar() {
    const all = document.querySelectorAll('.z-controls');
    // absolute bottom-0 인 컨트롤바
    return [...all].find(el => el.classList.contains('bottom-0'));
  }

  function createSyncBtn() {
    if (document.getElementById('kick-tiny-sync')) return;

    const bar = getControlBar();
    if (!bar) return;

    // index 1 = 오른쪽 버튼 그룹
    const rightGroup = bar.children[1];
    if (!rightGroup) return;

    const syncBtn = document.createElement('div');
    syncBtn.id = 'kick-tiny-sync';
    syncBtn.title = '클릭하면 딜레이가 즉시 동기화됩니다.';
    syncBtn.style.cssText = [
      'display:inline-flex',
      'align-items:center',
      'gap:5px',
      'background:rgba(255,255,255,0.1)',
      'border:1px solid transparent',
      'border-radius:6px',
      'padding:3px 8px',
      'cursor:pointer',
      'user-select:none',
      'transition:all 0.2s',
      'font-family:monospace',
      'height:32px',
      'box-sizing:border-box',
      'flex-shrink:0',
    ].join(';');

    syncBtn.onmouseover = () => {
      syncBtn.style.background = 'rgba(255,255,255,0.2)';
      syncBtn.style.border     = '1px solid #53FC18';
    };
    syncBtn.onmouseout = () => {
      if (!isCooling) {
        syncBtn.style.background = 'rgba(255,255,255,0.1)';
        syncBtn.style.border     = '1px solid transparent';
      }
    };

    const icon = document.createElement('span');
    icon.innerText      = '⚡';
    icon.style.fontSize = '12px';

    delayText = document.createElement('span');
    delayText.innerText     = '-.-s';
    delayText.style.cssText = 'font-size:12px;font-weight:bold;color:#fff;line-height:1;white-space:nowrap;';

    syncBtn.appendChild(icon);
    syncBtn.appendChild(delayText);

    syncBtn.onclick = (e) => {
      e.preventDefault();
      e.stopPropagation();
      if (isCooling) return;

      const vid = document.querySelector(VIDEO_SEL);
      if (!vid) return;

      // 버퍼 끝으로 점프
      if (vid.buffered.length > 0) {
        vid.currentTime = vid.buffered.end(vid.buffered.length - 1) - 0.3;
      } else {
        vid.currentTime = vid.duration;
      }

      // 딜레이 남아있으면 1.3배속으로 추격
      if (chaseInterval) clearInterval(chaseInterval);
      chaseInterval = setInterval(() => {
        const v = document.querySelector(VIDEO_SEL);
        if (!v) { clearInterval(chaseInterval); return; }
        const delay = v.buffered.length > 0
          ? v.buffered.end(v.buffered.length - 1) - v.currentTime
          : 0;
        if (delay > 1) {
          v.playbackRate = 1.3;
        } else {
          v.playbackRate = 1.0;
          clearInterval(chaseInterval);
        }
      }, 200);

      isCooling = true;
      delayText.innerText   = 'OK!';
      delayText.style.color = '#53FC18';
      syncBtn.style.border  = '1px solid #53FC18';

      setTimeout(() => {
        isCooling = false;
        syncBtn.style.border     = '1px solid transparent';
        syncBtn.style.background = 'rgba(255,255,255,0.1)';
      }, 1500);
    };

    // 오른쪽 그룹의 첫 번째 버튼 앞에 삽입
    const firstBtn = rightGroup.querySelector('button');
    if (firstBtn) {
      rightGroup.insertBefore(syncBtn, firstBtn);
    } else {
      rightGroup.appendChild(syncBtn);
    }
  }

  // 딜레이 수치 갱신
  setInterval(() => {
    if (!document.getElementById('kick-tiny-sync')) {
      delayText = null;
      createSyncBtn();
      return;
    }
    if (!delayText || isCooling) return;

    const vid = document.querySelector(VIDEO_SEL);
    if (!vid || vid.paused) {
      delayText.innerText   = '---';
      delayText.style.color = '#888';
      return;
    }

    if (vid.buffered.length > 0) {
      const delay = Math.max(0, vid.buffered.end(vid.buffered.length - 1) - vid.currentTime);
      delayText.innerText   = delay.toFixed(1) + 's';
      delayText.style.color = delay < 1.5 ? '#53FC18' : delay < 3 ? '#FFD700' : '#FF4D4D';
    } else {
      delayText.innerText   = '???';
      delayText.style.color = '#888';
    }
  }, 500);

  // 초기 생성 - 컨트롤바는 hover시에만 나타나므로 계속 재시도
  let attempts = 0;
  const initInterval = setInterval(() => {
    if (document.body) {
      createSyncBtn();
      if (document.getElementById('kick-tiny-sync')) clearInterval(initInterval);
    }
    if (++attempts >= 40) clearInterval(initInterval);
  }, 500);
})();