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Merge pull request #2602 from Bnyro/timebar-preview

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Show timestamp when hovering seekbar
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Bnyro 2023-06-28 08:53:43 +02:00 committed by GitHub
commit e30f63a2e3
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1 changed files with 23 additions and 26 deletions
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49
src/components/VideoPlayer.vue
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@ -2,11 +2,18 @@
<div
ref="container"
data-shaka-player-container
class="w-full max-h-screen flex justify-center"
class="w-full max-h-screen flex justify-center relative"
:class="{ 'player-container': !isEmbed }"
>
<video ref="videoEl" class="w-full" data-shaka-player :autoplay="shouldAutoPlay" :loop="selectedAutoLoop" />
<canvas id="preview" />
<span
ref="previewContainer"
id="preview-container"
class="hidden flex-col absolute bottom-0 z-[2000] mb-[3.5%] items-center"
>
<canvas ref="preview" id="preview" class="rounded-sm" />
<span v-text="timeFormat(currentTime)" class="text-sm mt-2 rounded-xl pb-1 pt-1.5 px-2 bg-dark-700 w-min" />
</span>
<button
v-if="inSegment"
class="skip-segment-button"
@ -58,6 +65,8 @@ export default {
destroying: false,
inSegment: false,
isHoveringTimebar: false,
currentTime: 0,
seekbarPadding: 2,
};
},
computed: {
@ -679,8 +688,7 @@ export default {
// hide the preview when the user stops hovering the seekbar
seekBar.addEventListener("mouseout", () => {
this.isHoveringTimebar = false;
let canvas = document.querySelector("#preview");
canvas.style.display = "none";
this.$refs.previewContainer.style.display = "none";
});
},
async showSeekbarPreview(position) {
@ -689,17 +697,12 @@ export default {
if (!this.isHoveringTimebar) return;
const seekBar = document.querySelector(".shaka-seek-bar");
const canvas = document.querySelector("#preview");
const container = this.$refs.previewContainer;
const canvas = this.$refs.preview;
const ctx = canvas.getContext("2d");
// get the new sizes for the image to be drawn into the canvas
const originalWidth = originalImage.naturalWidth;
const originalHeight = originalImage.naturalHeight;
// image can have less frames than server told us so calculate them ourselves
const imageFramesPerPageX = originalImage.naturalWidth / frame.frameWidth;
const imageFramesPerPageY = originalImage.naturalHeight / frame.frameHeight;
const offsetX = originalWidth * (frame.positionX / imageFramesPerPageX);
const offsetY = originalHeight * (frame.positionY / imageFramesPerPageY);
const offsetX = frame.positionX * frame.frameWidth;
const offsetY = frame.positionY * frame.frameHeight;
canvas.width = frame.frameWidth > 100 ? frame.frameWidth : frame.frameWidth * 2;
canvas.height = frame.frameWidth > 100 ? frame.frameHeight : frame.frameHeight * 2;
@ -717,12 +720,15 @@ export default {
);
// calculate the thumbnail preview offset and display it
const seekbarPadding = 2; // percentage of seekbar padding
const centerOffset = position / this.video.duration / 10;
const left = centerOffset - ((0.5 * canvas.width) / seekBar.clientWidth) * 100;
const maxLeft = ((seekBar.clientWidth - canvas.clientWidth) / seekBar.clientWidth) * 100 - seekbarPadding;
canvas.style.left = `max(${seekbarPadding}%, min(${left}%, ${maxLeft}%))`;
canvas.style.display = "block";
const maxLeft =
((seekBar.clientWidth - canvas.clientWidth) / seekBar.clientWidth) * 100 - this.seekbarPadding;
this.currentTime = position / 1000;
container.style.left = `max(${this.seekbarPadding}%, min(${left}%, ${maxLeft}%))`;
container.style.display = "flex";
},
// ineffective algorithm to find the thumbnail corresponding to the currently hovered position in the video
getFrame(position) {
@ -834,13 +840,4 @@ export default {
font-size: 1.6em !important;
line-height: inherit !important;
}
#preview {
position: absolute;
z-index: 2000;
bottom: 0;
margin-bottom: 4.5%;
border-radius: 0.3rem;
display: none;
}
</style>