Rework MP3 reading pattern

dev/demux.html

@@ -16,6 +16,19 @@
 			source
 		});
 
+		const audioTrack = await input.getPrimaryAudioTrack();
+		const sink = new Mediabunny.EncodedPacketSink(audioTrack);
+
+		console.log(await sink.getPacket(100))
+
+		/*
+		for await (const packet of sink.packets()) {
+			//console.log(packet);
+			//if (packet.timestamp >= 2.4) break;
+		}
+			*/
+
+		/*
 		const videoTrack = await input.getPrimaryVideoTrack();
 		const sink = new Mediabunny.VideoSampleSink(videoTrack);
 
@@ -23,6 +36,7 @@
 			console.log(sample.timestamp);
 			sample.close();
 		}
+			*/
 
 		/*
 		const audioTrack = await input.getPrimaryAudioTrack();