Update download scripts and folder name

2023-08-03 08:58:03 +00:00
parent 57a029afa9
commit 8e6bd28e5f
9 changed files with 4 additions and 5 deletions
--- a/apps/vanilla-app/concatDemuxer.html
+++ b/apps/vanilla-app/concatDemuxer.html
@@ -0,0 +1,54 @@
+<html>
+  <head>
+    <link rel="stylesheet" href="style.css">
+    <script src="/assets/ffmpeg/package/dist/umd/ffmpeg.js"></script>
+    <script src="/assets/util/package/dist/umd/index.js"></script>
+  </head>
+
+  <body>
+    <h3>Select multiple video files to Concatenate</h3>
+    <video id="output-video" controls></video><br />
+    <input type="file" id="uploader" multiple />
+    <p id="message"></p>
+    <script>
+      const { fetchFile } = FFmpegUtil;
+      const { FFmpeg } = FFmpegWASM;
+      let ffmpeg = null;
+
+      const transcode = async ({ target: { files } }) => {
+        const message = document.getElementById("message");
+        if (ffmpeg === null) {
+          ffmpeg = new FFmpeg();
+          ffmpeg.on("log", ({ message }) => {
+            console.log(message);
+          })
+          ffmpeg.on("progress", ({ progress, time }) => {
+	    message.innerHTML = `${time / 1000000} s`;
+          });
+          await ffmpeg.load({
+            coreURL: "/assets/core/package/dist/umd/ffmpeg-core.js",
+          });
+        }
+        message.innerHTML = "Start Concating";
+        const inputPaths = [];
+        for (const file of files) {
+          const { name } = file;
+          ffmpeg.writeFile(name, await fetchFile(file));
+          inputPaths.push(`file ${name}`);
+        }
+        await ffmpeg.writeFile('concat_list.txt', inputPaths.join('\n'));
+        await ffmpeg.exec(['-f', 'concat', '-safe', '0', '-i', 'concat_list.txt', 'output.mp4']);
+        message.innerHTML = "Complete Concating";
+        const data = await ffmpeg.readFile('output.mp4');
+        const video = document.getElementById("output-video");
+        video.src = URL.createObjectURL(
+          new Blob([data.buffer], {
+            type: "video/mp4"
+          })
+        );
+      };
+      const elm = document.getElementById("uploader");
+      elm.addEventListener("change", transcode);
+    </script>
+  </body>
+</html>