hyperframes/packages/producer/tests/style-5-prod/src/compositions/captions.html

<template id="captions-template">
  <div data-composition-id="captions" data-width="1920" data-height="1080" data-duration="16.04">
    <div id="captions-container"></div>

    <style>
      @import url("https://fonts.googleapis.com/css2?family=Space+Mono:wght@700&display=swap");

      [data-composition-id="captions"] {
        width: 1920px;
        height: 1080px;
        display: flex;
        justify-content: center;
        align-items: center;
        pointer-events: none;
        background: transparent;
      }

      [data-composition-id="captions"] #captions-container {
        width: 100%;
        height: 100%;
        position: relative;
        display: flex;
        justify-content: center;
        align-items: flex-end; /* Align to bottom */
        padding-bottom: 100px; /* Offset from the very bottom edge */
      }

      .caption-line {
        position: absolute;
        bottom: 15%; /* Positioned in the bottom 3rd */
        left: 50%;
        transform: translateX(-50%);
        width: 90%; /* Prevent bleeding */
        max-width: 1728px; /* 1920 * 0.9 */
        font-family: "Space Mono", monospace;
        font-weight: 700;
        font-size: 64px;
        color: #33ff66;
        text-transform: uppercase;
        text-align: center;
        opacity: 0;
        line-height: 1.2;
        white-space: normal; /* Allow wrapping if necessary, though groups are short */
        word-wrap: break-word;
      }
    </style>

    <script>
      (function () {
        const TRANSCRIPT = [
          { text: "We", start: 0.119, end: 0.259 },
          { text: "asked", start: 0.319, end: 0.479 },
          { text: "what", start: 0.519, end: 0.659 },
          { text: "you", start: 0.699, end: 0.819 },
          { text: "needed.", start: 0.859, end: 1.819 },
          { text: "Forty-seven", start: 1.839, end: 2.299 },
          { text: "percent", start: 2.399, end: 2.679 },
          { text: "of", start: 2.7, end: 2.799 },
          { text: "you", start: 2.839, end: 2.939 },
          { text: "said", start: 3.039, end: 3.179 },
          { text: "motion", start: 3.24, end: 3.559 },
          { text: "graphics.", start: 3.579, end: 4.639 },
          { text: "Sixty-two", start: 4.659, end: 5.179 },
          { text: "percent", start: 5.299, end: 5.759 },
          { text: "said", start: 5.859, end: 5.98 },
          { text: "static", start: 6.099, end: 6.399 },
          { text: "content", start: 6.46, end: 6.879 },
          { text: "was", start: 6.92, end: 7.079 },
          { text: "costing", start: 7.099, end: 7.48 },
          { text: "you", start: 7.5, end: 7.579 },
          { text: "attention,", start: 7.679, end: 8.659 },
          { text: "and", start: 8.699, end: 8.86 },
          { text: "three", start: 8.88, end: 9.06 },
          { text: "out", start: 9.079, end: 9.18 },
          { text: "of", start: 9.199, end: 9.34 },
          { text: "four", start: 9.38, end: 9.799 },
          { text: "said", start: 9.84, end: 10.0 },
          { text: "you", start: 10.019, end: 10.159 },
          { text: "know", start: 10.179, end: 10.36 },
          { text: "the", start: 10.38, end: 10.479 },
          { text: "look", start: 10.52, end: 10.699 },
          { text: "you", start: 10.739, end: 10.859 },
          { text: "want", start: 10.98, end: 11.34 },
          { text: "but", start: 11.359, end: 11.52 },
          { text: "don't", start: 11.56, end: 11.779 },
          { text: "have", start: 11.819, end: 11.94 },
          { text: "the", start: 11.96, end: 12.06 },
          { text: "editing", start: 12.079, end: 12.4 },
          { text: "skills", start: 12.52, end: 12.86 },
          { text: "to", start: 12.88, end: 13.0 },
          { text: "get", start: 13.019, end: 13.18 },
          { text: "there.", start: 13.22, end: 14.22 },
          { text: "So", start: 14.239, end: 14.399 },
          { text: "we", start: 14.42, end: 14.52 },
          { text: "built", start: 14.619, end: 14.88 },
          { text: "Editor", start: 15.079, end: 15.42 },
          { text: "Agent", start: 15.619, end: 16.019 },
        ];
        const container = document.getElementById("captions-container");
        const tl = gsap.timeline({ paused: true });

        // Grouping logic based on the provided transcript and timing
        // We use the transcript token directly to ensure deterministic behavior
        // and sync with the actual audio.

        const captionGroups = [
          { text: "WE ASKED WHAT YOU NEEDED.", start: 0.119, end: 1.839 },
          { text: "FORTY-SEVEN PERCENT OF YOU SAID", start: 1.839, end: 3.24 },
          { text: "MOTION GRAPHICS.", start: 3.24, end: 4.659 },
          { text: "SIXTY-TWO PERCENT SAID STATIC", start: 4.659, end: 6.46 },
          { text: "CONTENT WAS COSTING YOU ATTENTION,", start: 6.46, end: 8.699 },
          { text: "AND THREE OUT OF FOUR", start: 8.699, end: 9.84 },
          { text: "SAID YOU KNOW THE LOOK", start: 9.84, end: 10.739 },
          { text: "YOU WANT BUT DON'T HAVE", start: 10.739, end: 11.96 },
          { text: "THE EDITING SKILLS TO GET", start: 11.96, end: 13.22 },
          { text: "THERE. SO WE BUILT EDITOR", start: 13.22, end: 15.619 },
          { text: "AGENT", start: 15.619, end: 16.019 },
        ];

        captionGroups.forEach((group, index) => {
          const div = document.createElement("div");
          div.className = "caption-line";
          div.id = `caption-${index}`;
          div.textContent = group.text;
          container.appendChild(div);

          // Show the caption
          // Using a very short duration for a "cut" effect, or 0 for instant
          tl.to(
            div,
            {
              opacity: 1,
              duration: 0.05,
              ease: "none",
            },
            group.start,
          );

          // Hide the caption when the next one starts, or at its end if it's the last one
          const hideTime =
            index < captionGroups.length - 1 ? captionGroups[index + 1].start : group.end;

          tl.to(
            div,
            {
              opacity: 0,
              duration: 0.05,
              ease: "none",
            },
            hideTime,
          );
        });

        window.__timelines["captions"] = tl;
      })();
    </script>
  </div>
</template>