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Clean up browser examples

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This commit is contained in:
Jerome Wu
2023-07-23 22:58:36 +08:00
parent 5f48200442
commit 93cf474b9e
4 changed files with 36 additions and 154 deletions
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20
apps/browser/trim.html
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@@ -11,21 +11,29 @@
<p id="message"></p>
<script>
const { fetchFile } = FFmpegUtil;
const { FFmpeg } = FFmpegWASM;
let ffmpeg = null;
const trim = async ({ target: { files } }) => {
const message = document.getElementById('message');
if (ffmpeg === null) {
ffmpeg = await createFFmpeg();
ffmpeg.setProgress((progress) => { console.log(progress * 100) });
ffmpeg = new FFmpeg();
ffmpeg.on("log", ({ message }) => {
console.log(message);
})
ffmpeg.on("progress", ({ progress }) => {
message.innerHTML = `${progress * 100} %`;
});
await ffmpeg.load({
coreURL: "/packages/core/dist/umd/ffmpeg-core.js",
});
}
const { name } = files[0];
message.innerHTML = 'Loading ffmpeg-core.js';
await ffmpeg.writeFile(name, await fetchFile(files[0]));
message.innerHTML = 'Start trimming';
ffmpeg.FS.writeFile(name, await fetchFile(files[0]));
await ffmpeg.exec('-i', name, '-ss', '0', '-to', '1', 'output.mp4');
await ffmpeg.exec(['-i', name, '-ss', '0', '-to', '1', 'output.mp4']);
message.innerHTML = 'Complete trimming';
const data = ffmpeg.FS.readFile('output.mp4');
const data = await ffmpeg.readFile('output.mp4');
const video = document.getElementById('output-video');
video.src = URL.createObjectURL(new Blob([data.buffer], { type: 'video/mp4' }));