Add code

examples.py

@@ -0,0 +1,55 @@
+from caf import CAF
+
+# Note:
+# The mdat chunk can also be loaded from the
+# input file directly by using get_box_data_by_path()
+# and specifying "mdat" as the path
+
+# Example data
+input_file_name = "input.mp4"
+sample_rate = 44100
+bit_depth = 16
+total_duration = 1206787933
+sample_sizes = [
+    5756, 5811, 5724, 5757, 5721, 5694, 5629, 5916,
+    5682, 5697, 5675, 5937, 5914, 5899, 5723, 5948,
+    5799, 5780, 5639, 5810, 5826, 5789, 5550, 5468,
+    5371, 5476, 5699, 6783, 6406, 6284, 6149, 5696,
+    5808, 5441, 5685, 5765, 6057, 5817, 5999, 6532,
+    5784, 5562, 5495, 5936, 5849, 6581, 7660, 7961,
+    7745, 7576, 8637, 8983, 7434, 6829, 7058, 8073,
+    8050, 7178, 7103, 7683, 8523, 8708, 8712, 8730,
+    8874, 8882, 8383, 8016, 8091, 7575, 8164, 7426,
+    7186, 7247, 7970, 7773, 7454, 7324, 7216, 7366
+]
+
+# Example 1
+# Without old magic cookie
+
+c = CAF()
+with open("mdat.dat", "rb") as f:
+    c.load_mdat_data(bytearray(f.read()))
+c.sample_rate = sample_rate
+c.bit_depth = 16
+c.number_of_valid_frames = total_duration
+c.number_of_packets = len(sample_sizes)
+c.sample_sizes = sample_sizes
+c.create_file()
+c.write("output.caf")
+
+# Example 2
+# With magic old cookie
+
+c = CAF()
+with open("mdat.dat", "rb") as f:
+    c.load_mdat_data(bytearray(f.read()))
+with open(input_file_name, "rb") as f:
+    c.load_input_data(bytearray(f.read()))
+c.old_cookie = True
+c.load_magic_cookie()
+c.bit_depth = 16
+c.number_of_valid_frames = total_duration
+c.number_of_packets = len(sample_sizes)
+c.sample_sizes = sample_sizes
+c.create_file()
+c.write("output.caf")