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<html>
  <head>
    <title>AI Web TV 🤗</title>
    <link href="https://cdn.jsdelivr.net/npm/daisyui@3.1.6/dist/full.css" rel="stylesheet" type="text/css" />
    <!--<link href="https://vjs.zencdn.net/8.3.0/video-js.css" rel="stylesheet" />-->
    <script src="/mpegts.js"></script>
  </head>
  <body
    x-data="app()" x-init="init()"
    class="fixed inset-0 bg-[rgb(0,0,0)] flex flex-col w-full items-center justify-center">
    <div x-show="!enabled">this space has been disabled by its owner</div>
      
    <div
      x-show="enabled"
      class="fixed w-full z-20 top-4 px-6 font-mono text-white flex items-center justify-between space-x-1"
      style="text-shadow: 0px 0px 3px #000000">
      
      <div class="text-md">🤗 AI WebTV 👉 Pick a stream:
        <template x-for="chan in channels">
          <span
            class="text-lg mr-2"
            :class="chan.id === channel.id
            ? 'font-bold'
            : 'hover:underline opacity-60 hover:opacity-80 cursor-pointer'"
            x-on:click="window.location = `${window.location.origin}/?channel=${chan.id}&beta=true`"
            x-text="chan.label"></span>
        </template>
      </div>
      <div class="text-xs">(<a
        class=""
        :href="channel.modelUrl"
        x-text="channel.model"
        target="_blank"></a>, <span x-text="channel.resolution"></span>)</div>
    </div>
    <div class="flex w-full">
      <video id="videoElement" muted autoplay class="aspect-video w-full"></video>
      <!--
        We probably want to display a nice logo or decoration somewhere
        <img src="/hf-logo.png" class="absolute mt-2 w-[16%]" />
      -->
    </div>
    <script>
      // disable analytics (we don't use VideoJS yet anyway)
      window.HELP_IMPROVE_VIDEOJS = false
    </script>
    <script defer src="https://cdn.jsdelivr.net/npm/alpinejs@3.x.x/dist/cdn.min.js"></script>
    <script src="https://cdn.tailwindcss.com?plugins=forms,typography,aspect-ratio"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/iframe-resizer/4.3.2/iframeResizer.contentWindow.min.js"></script>
    <!--<script src="https://vjs.zencdn.net/8.3.0/video.min.js"></script>-->
    <script>
function app() {
  return {
    enabled: false,
    channels: {
      '1': {
        id: '1',
        label: '#legacy',
        url: 'https://jbilcke-hf-media-server.hf.space/live/webtv.flv',
        resolution: '576x320',
        model: 'cerspense/zeroscope_v2_576w',
        modelUrl: 'https://huggingface.co/cerspense/zeroscope_v2_576w',
      },
      '2': {
        id: '2',
        label: '#HDTV',
        url: 'https://jbilcke-hf-media-server.hf.space/live/webtv2.flv',
        resolution: '1024x576',
        model: 'cerspense/zeroscope_v2_XL',
        modelUrl: 'https://huggingface.co/cerspense/zeroscope_v2_XL',
      },
    },
    defaultChannelId: '2',
    channel: {
    },
    init() {
      console.log('initializing WebTV..')

      const urlParams = new URLSearchParams(window.location.search)

      const requestedChannelId = `${urlParams.get('channel') || ''}`
 
      this.enabled = `${urlParams.get('beta') || 'false'}` === 'true'

      if (!this.enabled) {
        return
      }

      const defaultChannel = this.channels[this.defaultChannelId]
      
      this.channel = this.channels[requestedChannelId] || defaultChannel

      console.log(`Selected channel: ${this.channel.label}`)
      console.log(`Stream URL: ${this.channel.url}`)

      // some devices such as the iPhone don't support MSE Live Playback
      if (mpegts.getFeatureList().mseLivePlayback) {
        var videoElement = document.getElementById('videoElement')
        var player = mpegts.createPlayer({
          type: 'flv',  // could also be mpegts, m2ts, flv
            isLive: true,
            url: this.channel.url,
        })
        player.attachMediaElement(videoElement)

        player.on(mpegts.Events.ERROR, function (err) {
          console.log('got an error:', err)
          if (err.type === mpegts.ErrorTypes.NETWORK_ERROR) {
            console.log('Network error')
          }
        });

        player.load()

        // due to an issue with our stream when the FFMPEG playlist ends,
        // the stream gets interrupted for ~1sec, which causes the frontend to hangs up
        // the following code tries to restart the page when that happens, but in the long term
        // we should fix the issue on the server side (fix our FFMPEG bash script)
        videoElement.addEventListener('ended', function() {
          console.log('Stream ended, trying to reload...')
          setTimeout(() => {
            console.log('Reloading the page..')
            // Unloading and loading the source again isn't enough it seems
            // player.unload()
            // player.load()
            window.location.reload()
          }, 1200)
        }, false)

        // Handle autoplay restrictions.
        let promise = videoElement.play()
        if (promise !== undefined) {
          videoElement.addEventListener('click', function() {
            videoElement.play()
          })
        }

        player.play()
      }
    }
  }
}
    </script>
  </body>
</html>