Add packet type derivation logic, new verifyKeyPackets options, new determinePacketType method

dev/convert.html

@@ -21,7 +21,7 @@
 			chunked: true,
 			chunkSize: 2**20
 		});
-		const outputFormat = new Mediabunny.WavOutputFormat({ large: true });
+		const outputFormat = new Mediabunny.Mp4OutputFormat({});
 
 		const button = document.createElement('button');
 		button.textContent = 'Cancel';
@@ -70,6 +70,8 @@
 			},
 			*/
 			video: {
+				forceTranscode: true,
+				codec: 'av1',
 				//discard: true,
 				//width: 1280,
 				//discard: true,
@@ -87,7 +89,7 @@
 			},
 			trim: {
 				start: 0,
-				end: 10
+				end: 20
 			},
 		});
 		console.log(conversion);