progress

demopus.py

@@ -0,0 +1,34 @@
+import struct
+import sys
+
+with open(sys.argv[1], 'rb') as fp:
+	data = fp.read()
+
+ofs = 16
+counter = 0
+
+while ofs < len(data):
+	header = struct.unpack('B', data[ofs:ofs+1])[0]
+	ofs += 1
+	print(f'#{ofs} Header: {header}')
+
+	if header == 0x01:
+		srate = struct.unpack('I', data[ofs:ofs+4])[0]
+		ofs += 4
+		samples = struct.unpack('Q', data[ofs:ofs+8])[0]
+		ofs += 8
+		print(f'srate: {srate} | samples: {samples}\n')
+	elif header == 0x02:
+		dlen = struct.unpack('Q', data[ofs:ofs+8])[0]
+		ofs += 8
+		with open(f'{counter}.opus', 'wb') as fp:
+			fp.write(data[ofs:ofs+dlen])
+		counter += 1
+		ofs += dlen
+		print(f'opus len {dlen}')
+	elif header == 0x03:
+		silence = struct.unpack('Q', data[ofs:ofs+8])[0]
+		ofs += 8
+		print(f'silence {silence}')
+	elif header == 0x04:
+		break