var registry = window.pulsePlayerRegionTypes;

function renderRtmpRegion(region, regionContent) {
  var url = String(regionContent.value || '').trim();
  var disableAudio = regionContent.disable_audio === undefined ? true : Boolean(regionContent.disable_audio);
  var skipUnavailable = Boolean(currentPlaylistSkipUnavailableRtmp);
  if (!url) {
    return '';
  }

  return '<div class="template-region rtmp" style="' + region.baseStyle + '"><video class="template-region-rtmp-video" data-rtmp-source="' + escapeHtml(url) + '" data-rtmp-disable-audio="' + (disableAudio ? '1' : '0') + '" data-rtmp-skip-unavailable="' + (skipUnavailable ? '1' : '0') + '" autoplay playsinline preload="auto" tabindex="-1" disablepictureinpicture' + (disableAudio ? ' muted' : '') + '></video><div class="template-region-placeholder template-region-rtmp-placeholder">Loading RTMP stream...</div></div>';
}

function getRtmpSessionUrl(sourceUrl, disableAudio) {
  return '/api/rtmp/session?source=' + encodeURIComponent(sourceUrl) + '&disableAudio=' + (disableAudio ? '1' : '0');
}

var rtmpAvailabilityCache = Object.create(null);
var rtmpAvailabilityRetryMs = 5000;
var rtmpWarmupTimers = Object.create(null);
var rtmpBrowserReadyCache = Object.create(null);
var rtmpBrowserWarmupTimers = Object.create(null);
var rtmpBrowserWarmupContainer = null;
var rtmpBrowserWarmupStates = Object.create(null);

function getRtmpAvailabilityKey(sourceUrl, disableAudio) {
  return String(sourceUrl || '').trim() + '\n' + (disableAudio ? '1' : '0');
}

function setRtmpAvailability(sourceUrl, disableAudio, available) {
  var key = getRtmpAvailabilityKey(sourceUrl, disableAudio);
  rtmpAvailabilityCache[key] = {
    available: available === null ? null : Boolean(available),
    pending: available === null,
    checkedAt: Date.now()
  };
}

function getRtmpAvailability(sourceUrl, disableAudio) {
  return rtmpAvailabilityCache[getRtmpAvailabilityKey(sourceUrl, disableAudio)] || null;
}

function isRtmpAvailabilityStale(status) {
  if (!status || !status.checkedAt) {
    return true;
  }
  return Date.now() - Number(status.checkedAt || 0) >= rtmpAvailabilityRetryMs;
}

function isRtmpSlideUnavailable(slide) {
  if (!slide || !slide.template || !Array.isArray(slide.template.regions)) {
    return false;
  }

  var content = slide.content || {};
  return slide.template.regions.some(function (region) {
    if (region.region_type !== 'rtmp') {
      return false;
    }

    var regionContent = content[region.region_key] || {};
    var sourceUrl = String(regionContent.value || '').trim();
    if (!sourceUrl) {
      return false;
    }

    var disableAudio = regionContent.disable_audio === undefined ? true : Boolean(regionContent.disable_audio);
    var serverStatus = getRtmpAvailability(sourceUrl, disableAudio);
    return Boolean(!serverStatus || isRtmpAvailabilityStale(serverStatus) || serverStatus.available !== true);
  });
}

function clearRtmpAvailabilityForSlide(slide) {
  if (!slide || !slide.template || !Array.isArray(slide.template.regions)) {
    return;
  }

  var content = slide.content || {};
  slide.template.regions.forEach(function (region) {
    if (region.region_type !== 'rtmp') {
      return;
    }

    var regionContent = content[region.region_key] || {};
    var sourceUrl = String(regionContent.value || '').trim();
    if (!sourceUrl) {
      return;
    }

    var disableAudio = regionContent.disable_audio === undefined ? true : Boolean(regionContent.disable_audio);
    setRtmpAvailability(sourceUrl, disableAudio, null);
  });
}

function setRtmpBrowserReady(sourceUrl, disableAudio, ready) {
  var key = getRtmpAvailabilityKey(sourceUrl, disableAudio);
  rtmpBrowserReadyCache[key] = {
    ready: ready === null ? null : Boolean(ready),
    checkedAt: Date.now()
  };
}

function getRtmpBrowserReady(sourceUrl, disableAudio) {
  return rtmpBrowserReadyCache[getRtmpAvailabilityKey(sourceUrl, disableAudio)] || null;
}

function isRtmpBrowserReadyStale(status) {
  if (!status || !status.checkedAt) {
    return true;
  }
  return Date.now() - Number(status.checkedAt || 0) >= rtmpAvailabilityRetryMs;
}

function ensureRtmpBrowserWarmupContainer() {
  if (rtmpBrowserWarmupContainer) {
    return rtmpBrowserWarmupContainer;
  }

  rtmpBrowserWarmupContainer = document.createElement('div');
  rtmpBrowserWarmupContainer.className = 'rtmp-browser-warmups';
  rtmpBrowserWarmupContainer.setAttribute('aria-hidden', 'true');
  document.body.appendChild(rtmpBrowserWarmupContainer);
  return rtmpBrowserWarmupContainer;
}

function getRtmpBrowserWarmupState(sourceUrl, disableAudio) {
  return rtmpBrowserWarmupStates[getRtmpAvailabilityKey(sourceUrl, disableAudio)] || null;
}

function clearRtmpBrowserWarmupState(sourceUrl, disableAudio) {
  var key = getRtmpAvailabilityKey(sourceUrl, disableAudio);
  var state = rtmpBrowserWarmupStates[key];
  if (!state) {
    return;
  }

  if (state.video && state.video.__rtmpBrowserWarmupTimer) {
    window.clearTimeout(state.video.__rtmpBrowserWarmupTimer);
    state.video.__rtmpBrowserWarmupTimer = null;
  }
  if (state.video && state.video.__rtmpHls) {
    try {
      state.video.__rtmpHls.destroy();
    } catch (_error) {
      // ignore cleanup errors
    }
    state.video.__rtmpHls = null;
  }
  if (state.wrapper && state.wrapper.parentNode) {
    state.wrapper.parentNode.removeChild(state.wrapper);
  }
  delete rtmpBrowserWarmupStates[key];
}

function warmupRtmpBrowser(sourceUrl, disableAudio) {
  var key = getRtmpAvailabilityKey(sourceUrl, disableAudio);
  var existing = rtmpBrowserWarmupStates[key];
  if (existing) {
    return existing;
  }

  var wrapper = document.createElement('div');
  wrapper.className = 'rtmp-browser-warmup-entry';
  wrapper.setAttribute('aria-hidden', 'true');

  var video = document.createElement('video');
  video.className = 'template-region-rtmp-video';
  video.dataset.rtmpSource = sourceUrl;
  video.dataset.rtmpDisableAudio = disableAudio ? '1' : '0';
  video.autoplay = true;
  video.playsInline = true;
  video.preload = 'auto';
  video.tabIndex = -1;
  video.disablePictureInPicture = true;
  video.muted = disableAudio;

  wrapper.appendChild(video);
  ensureRtmpBrowserWarmupContainer().appendChild(wrapper);

  var state = {
    wrapper: wrapper,
    video: video,
    sourceUrl: sourceUrl,
    disableAudio: disableAudio
  };
  rtmpBrowserWarmupStates[key] = state;
  setRtmpBrowserReady(sourceUrl, disableAudio, null);

  var markReady = function () {
    setRtmpBrowserReady(sourceUrl, disableAudio, true);
    clearRtmpBrowserWarmupState(sourceUrl, disableAudio);
  };

  var markNotReady = function () {
    setRtmpBrowserReady(sourceUrl, disableAudio, false);
  };

  video.addEventListener('canplay', markReady, { once: true });
  video.addEventListener('playing', markReady, { once: true });
  video.addEventListener('error', markNotReady, { once: true });

  if (window.Hls && window.Hls.isSupported && window.Hls.isSupported()) {
    var hls = new window.Hls({
      enableWorker: true,
      lowLatencyMode: true,
      liveSyncDurationCount: 4,
      liveMaxLatencyDurationCount: 8,
      maxBufferLength: 10,
      maxLiveSyncPlaybackRate: 1,
      backBufferLength: 10
    });
    video.__rtmpHls = hls;
    hls.attachMedia(video);
    hls.on(window.Hls.Events.MEDIA_ATTACHED, function () {
      requestWarmupPlaylist(sourceUrl, disableAudio, video, markNotReady);
    });
    hls.on(window.Hls.Events.ERROR, function (_event, data) {
      if (data && data.fatal) {
        markNotReady();
        clearRtmpBrowserWarmupState(sourceUrl, disableAudio);
      }
    });
    return state;
  }

  if (video.canPlayType && video.canPlayType('application/vnd.apple.mpegurl')) {
    requestWarmupPlaylist(sourceUrl, disableAudio, video, markNotReady);
    return state;
  }

  markNotReady();
  return state;
}

function requestWarmupPlaylist(sourceUrl, disableAudio, video, onFailure) {
  fetch(getRtmpSessionUrl(sourceUrl, disableAudio), {
    credentials: 'same-origin'
  }).then(function (response) {
    return response.json().catch(function () {
      return null;
    }).then(function (payload) {
      return {
        response: response,
        payload: payload
      };
    });
  }).then(function (result) {
    if (!result || !result.response) {
      throw new Error('Unable to initialize RTMP stream.');
    }

    var response = result.response;
    var payload = result.payload || null;
    var playlistUrl = payload && payload.playlistUrl ? String(payload.playlistUrl).trim() : '';

    if (!response.ok) {
      if (response.status === 503 && payload && payload.probing) {
        setRtmpBrowserReady(sourceUrl, disableAudio, null);
        if (video && !video.__rtmpBrowserWarmupTimer) {
          video.__rtmpBrowserWarmupTimer = window.setTimeout(function () {
            video.__rtmpBrowserWarmupTimer = null;
            requestWarmupPlaylist(sourceUrl, disableAudio, video, onFailure);
          }, 500);
        }
        return;
      }
      throw new Error('Unable to initialize RTMP stream.');
    }

    if (!playlistUrl) {
      throw new Error('RTMP playlist URL was not returned.');
    }

    setRtmpBrowserReady(sourceUrl, disableAudio, false);

    if (video.__rtmpHls && window.Hls && window.Hls.isSupported && window.Hls.isSupported()) {
      video.__rtmpHls.loadSource(playlistUrl);
      return;
    }

    if (video) {
      video.src = playlistUrl;
      video.play().catch(function () {
        return null;
      });
    }
  }).catch(function () {
    setRtmpBrowserReady(sourceUrl, disableAudio, false);
    if (typeof onFailure === 'function') {
      onFailure();
    }
  });
}

function getRtmpWarmupSlides(sourceSlides, targetIndex) {
  var availableSlides = Array.isArray(sourceSlides) ? sourceSlides : [];
  if (!availableSlides.length) {
    return [];
  }

  var normalizedIndex = Number(targetIndex || 0);
  if (!Number.isFinite(normalizedIndex) || normalizedIndex < 0 || normalizedIndex >= availableSlides.length) {
    normalizedIndex = 0;
  }

  var warmupSlides = [];
  var nextSlide = availableSlides[normalizedIndex + 1];

  if (nextSlide) {
    warmupSlides.push(nextSlide);
  }

  return warmupSlides;
}

function getRtmpWarmupEntries(sourceSlides) {
  var entries = [];
  var seen = Object.create(null);

  (Array.isArray(sourceSlides) ? sourceSlides : []).forEach(function (slide) {
    var content = slide && slide.content ? slide.content : {};
    var regions = slide && slide.template && Array.isArray(slide.template.regions) ? slide.template.regions : [];
    regions.forEach(function (region) {
      if (region.region_type !== 'rtmp') {
        return;
      }

      var regionContent = content[region.region_key] || {};
      var url = String(regionContent.value || '').trim();
      if (!url) {
        return;
      }

      var disableAudio = regionContent.disable_audio === undefined ? true : Boolean(regionContent.disable_audio);
      var key = getRtmpAvailabilityKey(url, disableAudio);
      if (seen[key]) {
        return;
      }

      seen[key] = true;
      entries.push({
        url: url,
        disableAudio: disableAudio,
        key: key
      });
    });
  });

  return entries;
}

function syncRtmpWarmups(sourceSlides, targetIndex) {
  var entries = getRtmpWarmupEntries(getRtmpWarmupSlides(sourceSlides, targetIndex));

  entries.forEach(function (entry) {
    var status = getRtmpAvailability(entry.url, entry.disableAudio);
    if (status && !isRtmpAvailabilityStale(status) && status.available === true) {
      return;
    }

    if (rtmpWarmupTimers[entry.key]) {
      return;
    }

    function requestWarmup() {
      fetch(getRtmpSessionUrl(entry.url, entry.disableAudio), {
        credentials: 'same-origin'
      }).then(function (response) {
        return response.json().catch(function () {
          return null;
        }).then(function (payload) {
          return {
            response: response,
            payload: payload
          };
        });
      }).then(function (result) {
        rtmpWarmupTimers[entry.key] = null;
        if (!result || !result.response) {
          setRtmpAvailability(entry.url, entry.disableAudio, false);
          return;
        }

        if (!result.response.ok) {
          if (result.response.status === 503 && result.payload && result.payload.probing) {
            setRtmpAvailability(entry.url, entry.disableAudio, null);
            rtmpWarmupTimers[entry.key] = window.setTimeout(function () {
              rtmpWarmupTimers[entry.key] = null;
              requestWarmup();
            }, 500);
            return;
          }
          setRtmpAvailability(entry.url, entry.disableAudio, false);
          return;
        }

        setRtmpAvailability(entry.url, entry.disableAudio, true);
      }).catch(function () {
        rtmpWarmupTimers[entry.key] = null;
        setRtmpAvailability(entry.url, entry.disableAudio, false);
      });
    }

    setRtmpAvailability(entry.url, entry.disableAudio, null);
    requestWarmup();
  });
}

async function probeRtmpSlideAvailability(slide) {
  var entries = getRtmpWarmupEntries([slide]);
  if (!entries.length) {
    return true;
  }

  var results = await Promise.all(entries.map(function (entry) {
    setRtmpAvailability(entry.url, entry.disableAudio, null);
    return fetch(getRtmpSessionUrl(entry.url, entry.disableAudio), {
      credentials: 'same-origin'
    }).then(function (response) {
      return response.json().catch(function () {
        return null;
      }).then(function (payload) {
        return {
          response: response,
          payload: payload
        };
      });
    }).then(function (result) {
      if (!result || !result.response) {
        setRtmpAvailability(entry.url, entry.disableAudio, false);
        return false;
      }

      if (!result.response.ok) {
        if (result.response.status === 503 && result.payload && result.payload.probing) {
          setRtmpAvailability(entry.url, entry.disableAudio, null);
          return false;
        }
        setRtmpAvailability(entry.url, entry.disableAudio, false);
        return false;
      }

      setRtmpAvailability(entry.url, entry.disableAudio, true);
      return true;
    }).catch(function () {
      setRtmpAvailability(entry.url, entry.disableAudio, false);
      return false;
    });
  }));

  return results.every(function (value) {
    return Boolean(value);
  });
}

function syncRtmpBrowserWarmups(sourceSlides, targetIndex) {
  return;
}

function isRtmpBrowserUnavailable(slide) {
  if (!slide || !slide.template || !Array.isArray(slide.template.regions)) {
    return false;
  }

  var content = slide.content || {};
  return slide.template.regions.some(function (region) {
    if (region.region_type !== 'rtmp') {
      return false;
    }

    var regionContent = content[region.region_key] || {};
    var sourceUrl = String(regionContent.value || '').trim();
    if (!sourceUrl) {
      return false;
    }

    var disableAudio = regionContent.disable_audio === undefined ? true : Boolean(regionContent.disable_audio);
    var status = getRtmpBrowserReady(sourceUrl, disableAudio);
    return Boolean(!status || isRtmpBrowserReadyStale(status) || status.ready !== true);
  });
}

function bindRtmpVideoPlaceholder(video, placeholder) {
  if (!video) {
    return;
  }

  var markReady = function () {
    if (placeholder) {
      placeholder.style.display = 'none';
    }
  };

  video.addEventListener('canplay', markReady, { once: true });
  video.addEventListener('playing', markReady, { once: true });
  if (video.readyState >= 2) {
    markReady();
  }
}

function startRtmpPlayback(video, sourceUrl, disableAudio, skipUnavailable, placeholder, isPreload, onFailure) {
  var startupTimeoutMs = skipUnavailable ? 6000 : 0;
  var startupTimer = null;
  var probeRetryTimer = null;
  var webReceiveTimer = null;
  var webReceiveRetryUsed = false;

  function failPlayback(message, silent) {
    if (video.dataset.rtmpFailureHandled === '1') {
      return;
    }
    video.dataset.rtmpFailureHandled = '1';
    if (typeof onFailure === 'function') {
      onFailure(message, silent);
      return;
    }
    if (!isPreload && skipUnavailable && typeof handleRtmpPlaybackFailure === 'function' && handleRtmpPlaybackFailure(message, { silent: Boolean(silent) })) {
      return;
    }
    if (placeholder) {
      placeholder.style.display = 'flex';
      placeholder.textContent = message;
    }
  }

  function clearStartupTimer() {
    if (startupTimer) {
      window.clearTimeout(startupTimer);
      startupTimer = null;
    }
    if (video.__rtmpStartupTimer) {
      video.__rtmpStartupTimer = null;
    }
    if (probeRetryTimer) {
      window.clearTimeout(probeRetryTimer);
      probeRetryTimer = null;
    }
    if (video.__rtmpProbeRetryTimer) {
      video.__rtmpProbeRetryTimer = null;
    }
    if (webReceiveTimer) {
      window.clearTimeout(webReceiveTimer);
      webReceiveTimer = null;
    }
    if (video.__rtmpWebReceiveTimer) {
      video.__rtmpWebReceiveTimer = null;
    }
  }

  function tryPlay() {
    if (video && typeof video.play === 'function') {
      video.play().catch(function () {
        return null;
      });
    }
  }

  function markReceiving() {
    if (webReceiveTimer) {
      window.clearTimeout(webReceiveTimer);
      webReceiveTimer = null;
    }
    if (video.__rtmpWebReceiveTimer) {
      video.__rtmpWebReceiveTimer = null;
    }
  }

  function scheduleReceiveRetry() {
    if (isPreload || webReceiveRetryUsed || video.dataset.rtmpFailureHandled === '1') {
      return;
    }
    if (webReceiveTimer) {
      return;
    }
    webReceiveTimer = window.setTimeout(function () {
      webReceiveTimer = null;
      video.__rtmpWebReceiveTimer = null;
      if (video.dataset.rtmpFailureHandled === '1' || webReceiveRetryUsed) {
        return;
      }
      if (video.readyState >= 2) {
        return;
      }
      webReceiveRetryUsed = true;
      clearStartupTimer();
      try {
        if (video.__rtmpHls) {
          video.__rtmpHls.destroy();
        }
      } catch (_error) {
        // ignore cleanup errors
      }
      video.__rtmpHls = null;
      requestSession();
    }, 1200);
    video.__rtmpWebReceiveTimer = webReceiveTimer;
  }

  function retryWebReceiveOrFail(message, silent) {
    if (isPreload || video.dataset.rtmpFailureHandled === '1') {
      return;
    }
    if (!webReceiveRetryUsed) {
      webReceiveRetryUsed = true;
      clearStartupTimer();
      if (webReceiveTimer) {
        window.clearTimeout(webReceiveTimer);
        webReceiveTimer = null;
      }
      if (video.__rtmpWebReceiveTimer) {
        video.__rtmpWebReceiveTimer = null;
      }
      window.setTimeout(function () {
        requestSession();
      }, 500);
      return;
    }
    failPlayback(message, silent);
  }

  video.dataset.rtmpInitialized = '1';
  video.muted = disableAudio;
  video.controls = false;
  video.playsInline = true;
  video.autoplay = true;

  bindRtmpVideoPlaceholder(video, placeholder);
  video.addEventListener('canplay', markReceiving, { once: true });
  video.addEventListener('playing', markReceiving, { once: true });

  if (startupTimeoutMs > 0) {
    startupTimer = window.setTimeout(function () {
      startupTimer = null;
      video.__rtmpStartupTimer = null;
      failPlayback('Unable to load RTMP stream.', true);
    }, startupTimeoutMs);
    video.__rtmpStartupTimer = startupTimer;
  }

  function retryWhileProbing() {
    if (probeRetryTimer || video.dataset.rtmpFailureHandled === '1') {
      return;
    }
    probeRetryTimer = window.setTimeout(function () {
      probeRetryTimer = null;
      video.__rtmpProbeRetryTimer = null;
      requestSession();
    }, 500);
    video.__rtmpProbeRetryTimer = probeRetryTimer;
  }

  function requestSession() {
    fetch(getRtmpSessionUrl(sourceUrl, disableAudio), {
      credentials: 'same-origin'
    }).then(function (response) {
      return response.json().catch(function () {
        return null;
      }).then(function (payload) {
        return {
          response: response,
          payload: payload
        };
      });
    }).then(function (result) {
      if (!result || !result.response) {
        throw new Error('Unable to initialize RTMP stream.');
      }

      var response = result.response;
      var payload = result.payload || null;
      var playlistUrl = payload && payload.playlistUrl ? String(payload.playlistUrl).trim() : '';

      if (!response.ok) {
        if (response.status === 503 && payload && payload.probing) {
          setRtmpAvailability(sourceUrl, disableAudio, null);
          retryWhileProbing();
          return null;
        }
        setRtmpAvailability(sourceUrl, disableAudio, false);
        retryWebReceiveOrFail('Unable to load RTMP stream.', true);
        return null;
      }

      setRtmpAvailability(sourceUrl, disableAudio, true);
      if (!playlistUrl) {
        throw new Error('RTMP playlist URL was not returned.');
      }

    if (window.Hls && window.Hls.isSupported && window.Hls.isSupported()) {
      var hls = new window.Hls({
        enableWorker: true,
        liveSyncDurationCount: 6,
        liveMaxLatencyDurationCount: 12,
        maxBufferLength: 30,
        maxLiveSyncPlaybackRate: 1,
        backBufferLength: 60
      });
      video.__rtmpHls = hls;
      hls.attachMedia(video);
      hls.on(window.Hls.Events.MEDIA_ATTACHED, function () {
        hls.loadSource(playlistUrl);
        scheduleReceiveRetry();
      });
      hls.on(window.Hls.Events.MANIFEST_PARSED, function () {
        tryPlay();
      });
      hls.on(window.Hls.Events.ERROR, function (_event, data) {
        if (data && data.fatal) {
          clearStartupTimer();
          setRtmpAvailability(sourceUrl, disableAudio, false);
          try {
            hls.destroy();
          } catch (_error) {
            // ignore cleanup errors
          }
          video.__rtmpHls = null;
          retryWebReceiveOrFail('RTMP playback failed.', true);
        }
      });
      return;
    }

    if (video.canPlayType && video.canPlayType('application/vnd.apple.mpegurl')) {
      video.src = playlistUrl;
      tryPlay();
      scheduleReceiveRetry();
      return;
    }

    failPlayback('RTMP playback is not supported in this browser.', true);
        return null;
      }).catch(function () {
        clearStartupTimer();
        setRtmpAvailability(sourceUrl, disableAudio, false);
        retryWebReceiveOrFail('Unable to load RTMP stream.', true);
      });
  }

  requestSession();
}

function syncRtmpRegions(root) {
  if (!root) {
    return;
  }

  var videos = root.querySelectorAll('video[data-rtmp-source]');
  Array.prototype.forEach.call(videos, function (video) {
    if (!video || video.dataset.rtmpInitialized === '1') {
      return;
    }

    var sourceUrl = String(video.dataset.rtmpSource || '').trim();
    var disableAudio = String(video.dataset.rtmpDisableAudio || '1') !== '0';
    var region = video.parentNode;
    var placeholder = region ? region.querySelector('.template-region-rtmp-placeholder') : null;

    if (!sourceUrl) {
      if (placeholder) {
        placeholder.textContent = 'RTMP stream';
      }
      return;
    }

    var skipUnavailable = String(video.dataset.rtmpSkipUnavailable || '0') === '1';
    var startupTimer = null;

    if (skipUnavailable) {
      var preflightStatus = getRtmpAvailability(sourceUrl, disableAudio);
      if (preflightStatus && !isRtmpAvailabilityStale(preflightStatus) && preflightStatus.available === false) {
        failPlayback('Unable to load RTMP stream.', true);
        return;
      }
    }

    function failPlayback(message, silent) {
      if (video.dataset.rtmpFailureHandled === '1') {
        return;
      }
      video.dataset.rtmpFailureHandled = '1';
      if (skipUnavailable && typeof handleRtmpPlaybackFailure === 'function' && handleRtmpPlaybackFailure(message, { silent: Boolean(silent) })) {
        return;
      }
      if (placeholder) {
        placeholder.style.display = 'flex';
        placeholder.textContent = message;
      }
    }

    startRtmpPlayback(video, sourceUrl, disableAudio, skipUnavailable, placeholder, false);
  });
}

function destroyRtmpRegions(root) {
  if (!root) {
    return;
  }

  var videos = root.querySelectorAll('video[data-rtmp-source]');
  Array.prototype.forEach.call(videos, function (video) {
    if (video.__rtmpStartupTimer) {
      window.clearTimeout(video.__rtmpStartupTimer);
      video.__rtmpStartupTimer = null;
    }
    if (video.__rtmpProbeRetryTimer) {
      window.clearTimeout(video.__rtmpProbeRetryTimer);
      video.__rtmpProbeRetryTimer = null;
    }
    if (video.__rtmpWebReceiveTimer) {
      window.clearTimeout(video.__rtmpWebReceiveTimer);
      video.__rtmpWebReceiveTimer = null;
    }
    if (video.__rtmpHls) {
      try {
        video.__rtmpHls.destroy();
      } catch (_error) {
        // ignore cleanup errors
      }
      video.__rtmpHls = null;
    }
  });
}

registry.register('rtmp', {
  renderRegion: renderRtmpRegion
});