Migrate fragmented MP4 reading to new packet system, add tests for it, add packet internal data, and various other fixes prob

dev/demux.html

@@ -11,11 +11,26 @@
 		const file = fileInput.files[0];
 		const input = new Mediabunny.Input({
 			formats: Mediabunny.ALL_FORMATS,
-			source: new Mediabunny.BlobSource(file),
+			source: new Mediabunny.BufferSource(await file.arrayBuffer()),
 		});
 
 		const videoTrack = await input.getPrimaryVideoTrack();
-		const cursor = await Mediabunny.VideoSampleCursor2.init(videoTrack);
+
+		const iters = 50;
+		let total = 0;
+
+		for (let i = 0; i < iters; i++) {
+			const start = performance.now();
+			let count = 0;
+			const reader = new Mediabunny.PacketCursor(videoTrack);
+			await reader.iterate(() => count++);
+
+			console.log(count)
+
+			total += performance.now() - start;
+		}
+
+		alert(total / iters);
 
 		/*
 		console.log(await cursor.seekTo(2.00));
@@ -27,6 +42,7 @@
 		//console.log(await cursor.seekTo(5.1))
 		//return;
 
+		/*
 		const mh = [
 			cursor.seekTo(2.05),
 			//cursor.seekTo(4.9),
@@ -61,6 +77,7 @@
 			//cursor.close(),
 			//cursor.seekTo(2.00),
 		];
+		*/
 
 		/*
 		for (const yo of mh) {
@@ -72,7 +89,7 @@
 		console.log("done")
 		*/
 
-		console.log(await Promise.all(mh));
+		//console.log(await Promise.all(mh));
 
 		//console.log(await cursor.seekTo(2.05));
 		//console.log(await cursor.seekTo(2.10));