2022-04-29 11:49:32 +00:00
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<template>
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2022-05-28 05:16:27 +00:00
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<div>
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<video
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ref="playerfake"
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muted
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autoplay
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style="display: none"
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:src="vidWrs"
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/>
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<!-- Scrubber -->
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<v-slider
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2022-05-29 17:08:21 +00:00
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id="scrubber"
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2022-05-28 05:16:27 +00:00
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hide-details
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height="2"
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dense
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2022-05-29 17:08:21 +00:00
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track-color="transparent"
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:class="!controls && !fullscreen && !scrubbing ? 'invisible' : ''"
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2022-06-01 18:06:34 +00:00
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style="position: absolute; z-index: 3"
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2022-05-28 22:15:25 +00:00
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:style="
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fullscreen
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2022-05-29 22:14:00 +00:00
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? 'width: calc(100% - 2rem); left: 1rem; bottom: 3rem;'
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2022-05-29 17:08:21 +00:00
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: 'width: calc(100% - 0.8rem); left: 0.4rem; bottom: 0;'
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2022-05-28 22:15:25 +00:00
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"
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2022-05-28 05:16:27 +00:00
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:thumb-size="0"
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:max="duration"
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:value="progress"
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2022-05-29 17:08:21 +00:00
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@start="(scrubbing = true), $emit('seeking')"
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@end="(scrubbing = false), $emit('seeking')"
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2022-05-28 05:16:27 +00:00
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@change="scrub($event)"
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@input="scrubbing ? seek($event) : null"
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>
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<template #thumb-label="{ value }">
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<div style="transform: translateY(-50%)">
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<canvas
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ref="preview"
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class="white"
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2022-05-28 05:27:34 +00:00
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:width="video.clientWidth / 3"
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:height="video.clientHeight / 3"
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2022-05-28 05:16:27 +00:00
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style="border: 2px solid white"
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:style="{
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borderRadius: $store.state.tweaks.roundWatch
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? `${$store.state.tweaks.roundTweak / 3}rem`
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: '0',
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}"
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></canvas>
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<div class="text-center pb-4" style="font-size: 0.8rem">
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<b>{{ $vuetube.humanTime(value) }}</b>
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</div>
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</div>
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</template>
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</v-slider>
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</div>
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2022-04-29 11:49:32 +00:00
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</template>
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<script>
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export default {
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2022-06-01 18:06:34 +00:00
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props: {
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video: {
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type: Object,
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required: true,
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},
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controls: {
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type: Boolean,
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required: true,
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},
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fullscreen: {
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type: Boolean,
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required: true,
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},
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sources: {
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type: Array,
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required: true,
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},
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currentTime: {
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type: Number,
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required: true,
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},
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2022-04-29 11:49:32 +00:00
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},
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2022-06-01 18:06:34 +00:00
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data: () => ({
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scrubbing: false,
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progress: 0,
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duration: 0,
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vidWrs: "",
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}),
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2022-04-29 11:49:32 +00:00
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mounted() {
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2022-06-01 18:06:34 +00:00
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// this.vidWrs = this.sources[1].url;
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this.video.addEventListener("loadeddata", (e) => {
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if (this.video.readyState >= 3) {
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this.video.addEventListener("timeupdate", () => {
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this.duration = this.video.duration;
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if (!this.scrubbing) this.progress = this.currentTime;
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});
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2022-05-28 05:16:27 +00:00
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}
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2022-04-29 11:49:32 +00:00
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});
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2022-05-21 02:01:39 +00:00
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},
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2022-05-28 05:16:27 +00:00
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methods: {
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2022-06-01 18:06:34 +00:00
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seek(e) {
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// console.log(`scrubbing ${e}`);
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let vid = this.$refs.playerfake;
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let canvas = this.$refs.preview;
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this.$refs.playerfake.currentTime = e;
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canvas
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.getContext("2d")
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.drawImage(
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vid,
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0,
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0,
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this.video.clientWidth / 3,
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this.video.clientHeight / 3
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);
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},
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scrub(e) {
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this.video.currentTime = e;
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},
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2022-05-28 22:28:41 +00:00
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// TODO: better scrubbing preview
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2022-05-28 05:16:27 +00:00
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loadVideoFrames() {
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// Exit loop if desired number of frames have been extracted
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if (this.frames.length >= frameCount) {
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this.visibleFrame = 0;
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// Append all canvases to container div
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this.frames.forEach((frame) => {
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this.frameContainerElement.appendChild(frame);
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});
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return;
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}
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// If extraction hasn’t started, set desired time for first frame
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if (this.frames.length === 0) {
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this.requestedTime = 0;
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} else {
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this.requestedTime = this.requestedTime + this.frameTimestep;
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}
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// Send seek request to video player for the next frame.
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this.videoElement.currentTime = this.requestedTime;
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},
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extractFrame(videoWidth, videoHeight) {
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// Create DOM canvas object
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var canvas = document.createElement("canvas");
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canvas.className = "video-scrubber-frame";
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canvas.height = videoHeight;
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canvas.width = videoWidth;
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// Copy current frame to canvas
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var context = canvas.getContext("2d");
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context.drawImage(this.videoElement, 0, 0, videoWidth, videoHeight);
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this.frames.push(canvas);
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// Load the next frame
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loadVideoFrames();
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},
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prefetch_file(url, fetched_callback, progress_callback, error_callback) {
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var xhr = new XMLHttpRequest();
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xhr.open("GET", url, true);
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xhr.responseType = "blob";
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xhr.addEventListener(
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"load",
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function () {
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if (xhr.status === 200) {
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var URL = window.URL || window.webkitURL;
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var blob_url = URL.createObjectURL(xhr.response);
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fetched_callback(blob_url);
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} else {
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error_callback();
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}
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},
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false
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);
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var prev_pc = 0;
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xhr.addEventListener("progress", function (event) {
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if (event.lengthComputable) {
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var pc = Math.round((event.loaded / event.total) * 100);
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if (pc != prev_pc) {
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prev_pc = pc;
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progress_callback(pc);
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}
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}
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});
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xhr.send();
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},
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async extractFramesFromVideo(videoUrl, fps = 25) {
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// fully download it first (no buffering):
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console.log(videoUrl);
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console.log(fps);
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let videoBlob = await fetch(videoUrl, {
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headers: { range: "bytes=0-567139" },
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}).then((r) => r.blob());
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console.log(videoBlob);
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let videoObjectUrl = URL.createObjectURL(videoBlob);
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let video = document.createElement("video");
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let seekResolve;
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video.addEventListener("seeked", async function () {
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if (seekResolve) seekResolve();
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});
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video.src = videoObjectUrl;
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// workaround chromium metadata bug (https://stackoverflow.com/q/38062864/993683)
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while (
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(video.duration === Infinity || isNaN(video.duration)) &&
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video.readyState < 2
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) {
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await new Promise((r) => setTimeout(r, 1000));
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video.currentTime = 10000000 * Math.random();
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}
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let duration = video.duration;
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let canvas = document.createElement("canvas");
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let context = canvas.getContext("2d");
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let [w, h] = [video.videoWidth, video.videoHeight];
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canvas.width = w;
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canvas.height = h;
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let interval = 1;
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let currentTime = 0;
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while (currentTime < duration) {
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video.currentTime = currentTime;
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await new Promise((r) => (seekResolve = r));
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context.drawImage(video, 0, 0, w, h);
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let base64ImageData = canvas.toDataURL();
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console.log(base64ImageData);
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this.frames.push(base64ImageData);
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currentTime += interval;
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}
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console.log("%c frames", "color: #00ff00");
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console.log(this.frames);
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},
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2022-05-28 22:28:41 +00:00
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// TODO: scrubbing preview end
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2022-05-28 05:16:27 +00:00
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},
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2022-05-21 02:01:39 +00:00
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};
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2022-04-29 11:49:32 +00:00
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</script>
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