feat: add pause-by-duration control for SlidevVideo #2236
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| # 🎬 SlidevVideo Playback Demo | ||
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| A simple demo showcasing **multi-step controlled video playback** using `pause` prop. | ||
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| 透過 `pause` 參數控制影片分段播放，支援數值與 `'end'`，可用於教學投影片互動控制。 | ||
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| --- | ||
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| ## 🚀 How to Run | ||
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| ```bash | ||
| pnpm install | ||
| pnpm dev | ||
| ``` | ||
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| Then open [http://localhost:3030](http://localhost:3030) | ||
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| --- | ||
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| ## 🌐 Slide Demos | 投影片展示 | ||
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| - 👉 [Home Page](/dev.md) | ||
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| --- | ||
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| ## 💡 Example | ||
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| ```vue | ||
| <SlidevVideo :pause="[3.5, 2.5, 3]" controls> | ||
| <source src="https://www.w3schools.com/html/mov_bbb.mp4" /> | ||
| </SlidevVideo> | ||
| ``` | ||
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| Will play **3.5s**, then pause, then **2.5s**, then pause, then **3s**, then pause, then end. | ||
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| --- | ||
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| ## 🧩 Credit | ||
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| Based on [`Slidev`](https://github.com/slidevjs/slidev), with custom `SlidevVideo` component. | ||
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| # 🎬 SlidevVideo Demo | ||
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| > A demo for multi-step controlled playback using `pause=[1, 2, 3, 'end']` | ||
| > 使用 `pause=[1, 2, 3, 'end']` 控制多段播放的展示 | ||
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| <br> | ||
| <br> | ||
| <br> | ||
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| ### 🌐 Choose Language | 選擇語言 | ||
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| <Link to="2">English</Link> | ||
| <br> | ||
| <Link to="6">中文</Link> | ||
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| --- | ||
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| # SlidevVideo 1.0 Test: Pause with Decimal Durations | ||
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| This slide demonstrates the new `pause` feature in `SlidevVideo`: | ||
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| - ✅ Supports multiple controlled playback segments | ||
| - ✅ Accepts decimal values for pause durations (e.g., `3.5` seconds) | ||
| - ✅ `'end'` is optional — without it, the last segment will stop naturally | ||
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| --- | ||
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| ## Playback Test Example | ||
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| <SlidevVideo :pause="[3.5, 2.5, 3]" controls> | ||
| <source src="https://www.w3schools.com/html/mov_bbb.mp4" type="video/mp4" /> | ||
| </SlidevVideo> | ||
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| --- | ||
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| ### ⏱️ Expected Playback Flow | ||
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| 1. First click: plays 3.5 seconds, then auto-pauses | ||
| 2. Second click: plays 2.5 seconds, then auto-pauses | ||
| 3. Third click: plays 3 seconds, then auto-pauses | ||
| 4. Fourth click: continues playing until the video ends | ||
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| --- | ||
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| ### Notes | ||
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| - `'end'` is optional — if omitted, the last segment just ends playback naturally | ||
| - To force a final uninterrupted play-to-end segment, append `'end'` manually: | ||
| ```html | ||
| <SlidevVideo :pause="[3.5, 2.5, 3, 'end']"></SlidevVideo> | ||
| ``` | ||
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| --- | ||
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| # 測試 SlidevVideo 1.0：Pause 支援小數點時間 | ||
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| 這頁展示了 `SlidevVideo` 新增的 `pause` 支援： | ||
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| - ✅ 多段播放控制：每點一次播放指定秒數 | ||
| - ✅ 支援小數點秒數（例如 `3.5` 秒） | ||
| - ✅ 可選擇是否加入 `'end'`，若未加則播放到最後自動停止 | ||
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| --- | ||
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| ## 播放測試範例 | ||
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| <SlidevVideo :pause="[3.5, 2.5, 3]" controls> | ||
| <source src="https://www.w3schools.com/html/mov_bbb.mp4" type="video/mp4" /> | ||
| </SlidevVideo> | ||
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| --- | ||
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| ### ⏱️ 播放節奏預期 | ||
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| 1. 點第一下：播放 3.5 秒後自動暫停 | ||
| 2. 點第二下：播放 2.5 秒後自動暫停 | ||
| 3. 點第三下：播放 3 秒後自動暫停 | ||
| 4. 第四下：會繼續播放到結尾（或結束整段） | ||
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| --- | ||
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| ### 備註 | ||
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| - 可以不必加 `'end'`，預設最後一段播放完就不會卡住 | ||
| - 若要強制到最後自動播放到結尾，可明確加 `'end'`： | ||
| ```html | ||
| <SlidevVideo :pause="[3.5, 2.5, 3, 'end']"></SlidevVideo> | ||
| ``` | ||
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| <script setup lang="ts"> | ||
| import videojs from 'video.js' | ||
| import { computed, onBeforeUnmount, onMounted, ref } from 'vue' | ||
| import 'video.js/dist/video-js.css' | ||
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| const props = defineProps<{ | ||
| pause?: (number | 'end')[] | ||
| poster?: string | ||
| controls?: boolean | ||
| }>() | ||
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| const videoRef = ref() | ||
| const player = ref<ReturnType<typeof videojs> | null>(null) | ||
| const currentInterval = ref<any>(null) | ||
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| const rawPause = props.pause ?? [] | ||
| const pauseTimestamps = computed(() => { | ||
| const out: (number | 'end')[] = [0] | ||
| for (const segment of rawPause) { | ||
| const last = out[out.length - 1] | ||
| if (segment === 'end') { | ||
| out.push('end') | ||
| } | ||
| else { | ||
| const lastNum = typeof last === 'number' ? last : 0 | ||
| out.push(lastNum + segment) | ||
| } | ||
| } | ||
| return out | ||
| }) | ||
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| const pauseIndex = ref(1) | ||
| const isPlaying = ref(false) | ||
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| function playNextSegment() { | ||
| const from = pauseTimestamps.value[pauseIndex.value - 1] | ||
| const to = pauseTimestamps.value[pauseIndex.value] | ||
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| if (!player.value || from == null || to == null) | ||
| return | ||
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| if (typeof from === 'number') { | ||
| player.value.currentTime(from) | ||
| } | ||
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| try { | ||
| isPlaying.value = true | ||
| player.value.play() | ||
| } | ||
| catch { | ||
| isPlaying.value = false | ||
| return | ||
| } | ||
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| if (to === 'end') { | ||
| pauseIndex.value++ | ||
| return | ||
| } | ||
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| if (currentInterval.value) | ||
| clearInterval(currentInterval.value) | ||
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| currentInterval.value = setInterval(() => { | ||
| if (!player.value) | ||
| return | ||
| if (player.value.currentTime() >= to) { | ||
| player.value.pause() | ||
| clearInterval(currentInterval.value) | ||
| isPlaying.value = false | ||
| pauseIndex.value++ | ||
| } | ||
| }, 100) | ||
| } | ||
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| onMounted(() => { | ||
| player.value = videojs(videoRef.value, { | ||
| controls: props.controls !== false, | ||
| autoplay: false, | ||
| preload: 'auto', | ||
| poster: props.poster, | ||
| }) | ||
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| player.value.ready(() => { | ||
| player.value.controls(true) | ||
| player.value.trigger('resize') | ||
| player.value.pause() | ||
| player.value.currentTime(0) | ||
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| player.value.on('play', () => { | ||
| if (!isPlaying.value) { | ||
| playNextSegment() | ||
| } | ||
| else { | ||
| player.value?.pause() | ||
| } | ||
| }) | ||
| }) | ||
| }) | ||
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| onBeforeUnmount(() => { | ||
| if (currentInterval.value) | ||
| clearInterval(currentInterval.value) | ||
| player.value?.dispose() | ||
| }) | ||
| </script> | ||
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| <template> | ||
| <video ref="videoRef" class="video-js vjs-default-skin" playsinline> | ||
| <slot /> | ||
| </video> | ||
| </template> |
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Why this file has been changed?
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Hi Anthony, thanks for the feedback!
I thought I was only editing my fork, so I put the demo into the README for quick testing.
Now I understand it should go into the docs and in English.
I’ll move the content into the docs and update the PR. Thanks for pointing it out!