365 lines
8.1 KiB
Svelte
365 lines
8.1 KiB
Svelte
<script>
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import { onMount } from "svelte";
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import { selectedFilter, nodes, inputs, previewCommand } from "./stores.js";
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import Filter from "./Filter.svelte";
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import FilterPicker from "./FilterPicker.svelte";
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import Graph from "./Graph.svelte";
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import { FFmpeg } from "@ffmpeg/ffmpeg";
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import { fetchFile, toBlobURL } from "@ffmpeg/util";
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const isChrome = navigator.userAgent.match(/chrome|chromium|crios/i);
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const baseURL = `https://unpkg.com/@ffmpeg/core${!isChrome ? "-mt" : ""}@0.12.2/dist/esm`;
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// const baseURL = "";
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const TIMEOUT = 40000;
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const ffmpeg = new FFmpeg();
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let videoValue = "/" + $inputs[0].name;
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let ffmpegLoaded = false;
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let rendering = false;
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let log = "";
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let logbox;
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let commandRef;
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function render() {
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transcode();
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}
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function copyCommand() {
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commandRef.select();
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document.execCommand("copy");
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}
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async function transcode() {
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videoValue = null;
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rendering = true;
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try {
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for (let vid of $inputs) {
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await ffmpeg.writeFile(vid.name, await fetchFile("/" + vid.name));
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}
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let clist = $previewCommand
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.replaceAll('"', "")
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.replace("ffmpeg", "")
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.split(" ")
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.filter((i) => i.trim() != "");
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clist.splice(clist.length-1, 0, "-pix_fmt")
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clist.splice(clist.length-1, 0, "yuv420p")
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console.log("command", clist);
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await ffmpeg.exec(clist, TIMEOUT);
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const data = await ffmpeg.readFile("out.mp4");
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rendering = false;
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videoValue = URL.createObjectURL(new Blob([data.buffer], { type: "video/mp4" }));
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} catch (e) {
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console.log(e);
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log += "Failed";
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}
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rendering = false;
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}
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async function loadFFmpeg() {
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ffmpeg.on("log", ({ message: msg }) => {
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log += msg + "\n";
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logbox.scrollTop = logbox.scrollHeight;
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});
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if (isChrome) {
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await ffmpeg.load({
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coreURL: await toBlobURL(`${baseURL}/ffmpeg-core.js`, "text/javascript"),
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wasmURL: await toBlobURL(`${baseURL}/ffmpeg-core.wasm`, "application/wasm"),
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// workerURL: await toBlobURL(`${baseURL}/ffmpeg-core.worker.js`, "text/javascript"),
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});
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} else {
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await ffmpeg.load({
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coreURL: await toBlobURL(`${baseURL}/ffmpeg-core.js`, "text/javascript"),
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wasmURL: await toBlobURL(`${baseURL}/ffmpeg-core.wasm`, "application/wasm"),
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workerURL: await toBlobURL(`${baseURL}/ffmpeg-core.worker.js`, "text/javascript"),
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});
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}
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ffmpegLoaded = true;
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}
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onMount(async () => {
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loadFFmpeg();
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});
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</script>
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<main>
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<section class="header">
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<h1>FFmpeg Explorer</h1>
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<div class="help">
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<p>
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A tool to help you explore <a href="https://www.ffmpeg.org/" target="_blank">FFmpeg</a>
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filters. To use:
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</p>
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<ol>
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<li>Add filters from the list on the left.</li>
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<li>Click on filters in the center panel to edit options.</li>
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<li>Hit "render" to preview the output in browser.</li>
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<li>For more complex filtergraphs, disable "automatic layout."</li>
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</ol>
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<p>
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Note: this is a work in progress, many things may still be broken! If it hangs/crashes
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refresh the page. Post issues/feedback to
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<a href="https://github.com/antiboredom/ffmpeg-explorer/" target="_blank">GitHub</a>. By
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<a href="https://lav.io" target="_blank">Sam Lavigne</a>.
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</p>
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</div>
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</section>
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<!-- {message} -->
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<section class="command">
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<h3>Output Command</h3>
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<div class="inner-command">
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<textarea
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readonly
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class="actual-command"
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bind:this={commandRef}
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on:click={() => commandRef.select()}>{$previewCommand}</textarea
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>
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<div>
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<button on:click={copyCommand}>Copy Command</button>
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</div>
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</div>
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</section>
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<section class="log">
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<h3>FFmpeg Log</h3>
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<textarea readonly class="the-log" bind:this={logbox}>{log}</textarea>
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</section>
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<section class="preview">
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<div class="vid-holder">
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{#if rendering}
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<div class="rendering-video"><span>Rendering...</span></div>
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{/if}
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<video controls src={videoValue} />
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</div>
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<div style="text-align: right;padding-top:5px;">
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<button on:click={render} disabled={!ffmpegLoaded || rendering}>
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{#if ffmpegLoaded}
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{#if rendering}
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Rendering...
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{:else}
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Render Preview
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{/if}
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{:else}
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Loading ffmpeg
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{/if}
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</button>
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</div>
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</section>
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<section class="filters">
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<h3>Filters (click to add)</h3>
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<div class="filter-picker">
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<FilterPicker select={"video"} />
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</div>
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</section>
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<section class="graph">
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<Graph />
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</section>
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<section class="filter-editor">
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{#if $selectedFilter && $nodes.length > 0 && $nodes[$selectedFilter]}
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<Filter bind:filter={$nodes[$selectedFilter].data} />
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{/if}
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</section>
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</main>
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<style>
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main {
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display: grid;
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grid-template-columns: 300px 1fr 1fr 1fr 1fr 300px;
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grid-template-areas:
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"hdr log log log prv prv"
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"hdr cmd cmd cmd prv prv"
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"flt gra gra gra gra edt";
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/* grid-template-rows: 16% 17% 77%; */
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grid-template-rows: 15% 15% calc(70% - 40px);
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padding: 10px;
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grid-gap: 20px;
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height: 100vh;
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align-items: stretch;
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}
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section {
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/* border: 1px solid #999; */
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/* box-shadow: 7px 7px 0px rgba(0, 0, 0, 0.7); */
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border: 1px solid var(--b1);
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box-shadow: 7px 7px var(--b2);
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padding: 10px;
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background-color: rgb(245, 245, 245);
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}
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.header {
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grid-area: hdr;
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overflow: scroll;
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}
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.command {
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grid-area: cmd;
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display: flex;
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flex-direction: column;
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}
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.preview {
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grid-area: prv;
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position: relative;
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display: flex;
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flex-direction: column;
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align-items: stretch;
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justify-content: stretch;
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}
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.preview video {
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width: 100%;
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/* object-fit: contain; */
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flex: 1;
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}
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.vid-holder {
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flex: 1;
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display: flex;
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width: 100%;
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height: calc(100% - 30px);
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}
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.log {
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grid-area: log;
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display: flex;
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flex-direction: column;
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}
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.filters {
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grid-area: flt;
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display: flex;
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flex-direction: column;
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}
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.graph {
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grid-area: gra;
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display: flex;
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}
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.filter-editor {
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grid-area: edt;
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display: flex;
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}
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.filter-picker {
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/* max-height: 500px; */
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/* width: 400px; */
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top: 0;
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left: 0;
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overflow: scroll;
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background-color: #fff;
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}
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h1,
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h3 {
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font-weight: normal;
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margin: 0;
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padding: 0;
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}
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h1 {
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margin-bottom: 5px;
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}
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h3 {
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margin-bottom: 10px;
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}
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.header p {
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margin: 0;
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}
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.inner-command {
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display: flex;
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align-items: center;
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flex: 1;
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}
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textarea {
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outline: none;
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-webkit-box-shadow: none;
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-moz-box-shadow: none;
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box-shadow: none;
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resize: none;
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}
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.actual-command {
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border: none;
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margin-right: 10px;
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flex: 1;
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font: inherit;
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padding: 5px;
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height: 100%;
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}
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.the-log {
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border: none;
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resize: none;
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padding: 5px;
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flex: 1;
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}
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.rendering-video {
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position: absolute;
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width: 100%;
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height: 100%;
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z-index: 2;
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background-color: rgba(255, 255, 255, 0.8);
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top: 0;
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left: 0;
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display: grid;
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align-items: center;
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justify-content: center;
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}
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.help {
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font-size: 0.9em;
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}
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ol {
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margin: 5px 0px;
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padding-left: 20px;
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}
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ol li {
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margin-bottom: 5px;
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}
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@media only screen and (max-width: 1400px) {
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}
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@media only screen and (max-width: 600px) {
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main {
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grid-template-areas:
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"hdr hdr hdr"
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"cmd cmd cmd"
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"prv prv prv"
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"log log log"
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"flt flt flt"
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"gra gra gra"
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"edt edt edt";
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grid-gap: 5px;
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padding: 10px;
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height: auto;
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grid-template-columns: repeat(3, 1fr);
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grid-template-rows: auto;
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}
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.graph {
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height: 50vh;
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}
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.command {
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margin: 0;
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margin-bottom: 10px;
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}
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section {
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box-shadow: none;
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margin-bottom: 10px;
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padding: 10px;
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box-shadow: 2px 2px 0px var(--b2);
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}
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.filter-picker {
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width: 100%;
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margin-bottom: 20px;
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height: 300px;
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position: static;
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}
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}
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</style>
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