diff --git a/libraries/test_data/src/test/assets/extractordumps/midi/Twinkle.mid.0.dump b/libraries/test_data/src/test/assets/extractordumps/midi/Twinkle.mid.0.dump
new file mode 100644
index 0000000000..9bbb94438c
--- /dev/null
+++ b/libraries/test_data/src/test/assets/extractordumps/midi/Twinkle.mid.0.dump
@@ -0,0 +1,355 @@
+seekMap:
+  isSeekable = false
+  duration = UNSET TIME
+  getPosition(0) = [[timeUs=0, position=0]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 264
+  sample count = 86
+  format 0:
+    sampleMimeType = audio/midi
+  sample 0:
+    time = 0
+    flags = 1
+    data = length 7, hash C95FA520
+  sample 1:
+    time = 0
+    flags = 1
+    data = length 5, hash 1CF3DA7
+  sample 2:
+    time = 0
+    flags = 1
+    data = length 3, hash FFFED75B
+  sample 3:
+    time = 2108
+    flags = 1
+    data = length 3, hash FFFED448
+  sample 4:
+    time = 2148
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 5:
+    time = 2276
+    flags = 1
+    data = length 3, hash FFFED733
+  sample 6:
+    time = 4384
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 7:
+    time = 4384
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 8:
+    time = 4384
+    flags = 1
+    data = length 3, hash FFFED751
+  sample 9:
+    time = 6492
+    flags = 1
+    data = length 3, hash FFFED312
+  sample 10:
+    time = 6522
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 11:
+    time = 6650
+    flags = 1
+    data = length 3, hash FFFED733
+  sample 12:
+    time = 8758
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 13:
+    time = 8758
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 14:
+    time = 8758
+    flags = 1
+    data = length 3, hash FFFED839
+  sample 15:
+    time = 10873
+    flags = 1
+    data = length 3, hash FFFED4E3
+  sample 16:
+    time = 10918
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 17:
+    time = 11046
+    flags = 1
+    data = length 3, hash FFFED80C
+  sample 18:
+    time = 13161
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 19:
+    time = 13161
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 20:
+    time = 13161
+    flags = 1
+    data = length 3, hash FFFED83E
+  sample 21:
+    time = 15276
+    flags = 1
+    data = length 3, hash FFFED57E
+  sample 22:
+    time = 15326
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 23:
+    time = 15454
+    flags = 1
+    data = length 3, hash FFFED80C
+  sample 24:
+    time = 17569
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 25:
+    time = 17569
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 26:
+    time = 17569
+    flags = 1
+    data = length 3, hash FFFED877
+  sample 27:
+    time = 19686
+    flags = 1
+    data = length 3, hash FFFED4E3
+  sample 28:
+    time = 19731
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 29:
+    time = 19859
+    flags = 1
+    data = length 3, hash FFFED84A
+  sample 30:
+    time = 21976
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 31:
+    time = 21976
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 32:
+    time = 21976
+    flags = 1
+    data = length 3, hash FFFED87C
+  sample 33:
+    time = 24093
+    flags = 1
+    data = length 3, hash FFFED57E
+  sample 34:
+    time = 24143
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 35:
+    time = 24271
+    flags = 1
+    data = length 3, hash FFFED84A
+  sample 36:
+    time = 26388
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 37:
+    time = 26388
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 38:
+    time = 26388
+    flags = 1
+    data = length 3, hash FFFED82F
+  sample 39:
+    time = 28503
+    flags = 1
+    data = length 3, hash FFFED3AE
+  sample 40:
+    time = 28538
+    flags = 1
+    data = length 3, hash FFFE9AF1
+  sample 41:
+    time = 28794
+    flags = 1
+    data = length 3, hash FFFED80C
+  sample 42:
+    time = 30909
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 43:
+    time = 30909
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 44:
+    time = 30909
+    flags = 1
+    data = length 3, hash FFFED800
+  sample 45:
+    time = 33022
+    flags = 1
+    data = length 3, hash FFFED57E
+  sample 46:
+    time = 33072
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 47:
+    time = 33200
+    flags = 1
+    data = length 3, hash FFFED7CE
+  sample 48:
+    time = 35313
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 49:
+    time = 35313
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 50:
+    time = 35313
+    flags = 1
+    data = length 3, hash FFFED7FB
+  sample 51:
+    time = 37426
+    flags = 1
+    data = length 3, hash FFFED4E3
+  sample 52:
+    time = 37471
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 53:
+    time = 37599
+    flags = 1
+    data = length 3, hash FFFED7CE
+  sample 54:
+    time = 39712
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 55:
+    time = 39712
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 56:
+    time = 39712
+    flags = 1
+    data = length 3, hash FFFED7E1
+  sample 57:
+    time = 41824
+    flags = 1
+    data = length 3, hash FFFED63D
+  sample 58:
+    time = 41874
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 59:
+    time = 41938
+    flags = 1
+    data = length 3, hash FFFED7AF
+  sample 60:
+    time = 44050
+    flags = 1
+    data = length 3, hash FFFED02F
+  sample 61:
+    time = 44050
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 62:
+    time = 44114
+    flags = 1
+    data = length 3, hash FFFED7D7
+  sample 63:
+    time = 46226
+    flags = 1
+    data = length 3, hash FFFED507
+  sample 64:
+    time = 46266
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 65:
+    time = 46330
+    flags = 1
+    data = length 3, hash FFFED7AF
+  sample 66:
+    time = 48442
+    flags = 1
+    data = length 3, hash FFFED02F
+  sample 67:
+    time = 48442
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 68:
+    time = 48506
+    flags = 1
+    data = length 3, hash FFFED79E
+  sample 69:
+    time = 50616
+    flags = 1
+    data = length 3, hash FFFED5A2
+  sample 70:
+    time = 50661
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 71:
+    time = 50725
+    flags = 1
+    data = length 3, hash FFFED771
+  sample 72:
+    time = 52835
+    flags = 1
+    data = length 3, hash FFFED02F
+  sample 73:
+    time = 52835
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 74:
+    time = 52899
+    flags = 1
+    data = length 3, hash FFFED7A3
+  sample 75:
+    time = 55009
+    flags = 1
+    data = length 3, hash FFFED63D
+  sample 76:
+    time = 55059
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 77:
+    time = 55123
+    flags = 1
+    data = length 3, hash FFFED771
+  sample 78:
+    time = 57233
+    flags = 1
+    data = length 3, hash FFFED02F
+  sample 79:
+    time = 57233
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 80:
+    time = 57297
+    flags = 1
+    data = length 3, hash FFFED751
+  sample 81:
+    time = 59405
+    flags = 1
+    data = length 3, hash FFFED313
+  sample 82:
+    time = 59435
+    flags = 1
+    data = length 3, hash FFFE9AF1
+  sample 83:
+    time = 59691
+    flags = 1
+    data = length 3, hash FFFED733
+  sample 84:
+    time = 61799
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 85:
+    time = 61799
+    flags = 1
+    data = length 3, hash FFFECFEE
+tracksEnded = true
diff --git a/libraries/test_data/src/test/assets/extractordumps/midi/Twinkle.mid.unknown_length.dump b/libraries/test_data/src/test/assets/extractordumps/midi/Twinkle.mid.unknown_length.dump
new file mode 100644
index 0000000000..9bbb94438c
--- /dev/null
+++ b/libraries/test_data/src/test/assets/extractordumps/midi/Twinkle.mid.unknown_length.dump
@@ -0,0 +1,355 @@
+seekMap:
+  isSeekable = false
+  duration = UNSET TIME
+  getPosition(0) = [[timeUs=0, position=0]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 264
+  sample count = 86
+  format 0:
+    sampleMimeType = audio/midi
+  sample 0:
+    time = 0
+    flags = 1
+    data = length 7, hash C95FA520
+  sample 1:
+    time = 0
+    flags = 1
+    data = length 5, hash 1CF3DA7
+  sample 2:
+    time = 0
+    flags = 1
+    data = length 3, hash FFFED75B
+  sample 3:
+    time = 2108
+    flags = 1
+    data = length 3, hash FFFED448
+  sample 4:
+    time = 2148
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 5:
+    time = 2276
+    flags = 1
+    data = length 3, hash FFFED733
+  sample 6:
+    time = 4384
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 7:
+    time = 4384
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 8:
+    time = 4384
+    flags = 1
+    data = length 3, hash FFFED751
+  sample 9:
+    time = 6492
+    flags = 1
+    data = length 3, hash FFFED312
+  sample 10:
+    time = 6522
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 11:
+    time = 6650
+    flags = 1
+    data = length 3, hash FFFED733
+  sample 12:
+    time = 8758
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 13:
+    time = 8758
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 14:
+    time = 8758
+    flags = 1
+    data = length 3, hash FFFED839
+  sample 15:
+    time = 10873
+    flags = 1
+    data = length 3, hash FFFED4E3
+  sample 16:
+    time = 10918
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 17:
+    time = 11046
+    flags = 1
+    data = length 3, hash FFFED80C
+  sample 18:
+    time = 13161
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 19:
+    time = 13161
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 20:
+    time = 13161
+    flags = 1
+    data = length 3, hash FFFED83E
+  sample 21:
+    time = 15276
+    flags = 1
+    data = length 3, hash FFFED57E
+  sample 22:
+    time = 15326
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 23:
+    time = 15454
+    flags = 1
+    data = length 3, hash FFFED80C
+  sample 24:
+    time = 17569
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 25:
+    time = 17569
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 26:
+    time = 17569
+    flags = 1
+    data = length 3, hash FFFED877
+  sample 27:
+    time = 19686
+    flags = 1
+    data = length 3, hash FFFED4E3
+  sample 28:
+    time = 19731
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 29:
+    time = 19859
+    flags = 1
+    data = length 3, hash FFFED84A
+  sample 30:
+    time = 21976
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 31:
+    time = 21976
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 32:
+    time = 21976
+    flags = 1
+    data = length 3, hash FFFED87C
+  sample 33:
+    time = 24093
+    flags = 1
+    data = length 3, hash FFFED57E
+  sample 34:
+    time = 24143
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 35:
+    time = 24271
+    flags = 1
+    data = length 3, hash FFFED84A
+  sample 36:
+    time = 26388
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 37:
+    time = 26388
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 38:
+    time = 26388
+    flags = 1
+    data = length 3, hash FFFED82F
+  sample 39:
+    time = 28503
+    flags = 1
+    data = length 3, hash FFFED3AE
+  sample 40:
+    time = 28538
+    flags = 1
+    data = length 3, hash FFFE9AF1
+  sample 41:
+    time = 28794
+    flags = 1
+    data = length 3, hash FFFED80C
+  sample 42:
+    time = 30909
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 43:
+    time = 30909
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 44:
+    time = 30909
+    flags = 1
+    data = length 3, hash FFFED800
+  sample 45:
+    time = 33022
+    flags = 1
+    data = length 3, hash FFFED57E
+  sample 46:
+    time = 33072
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 47:
+    time = 33200
+    flags = 1
+    data = length 3, hash FFFED7CE
+  sample 48:
+    time = 35313
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 49:
+    time = 35313
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 50:
+    time = 35313
+    flags = 1
+    data = length 3, hash FFFED7FB
+  sample 51:
+    time = 37426
+    flags = 1
+    data = length 3, hash FFFED4E3
+  sample 52:
+    time = 37471
+    flags = 1
+    data = length 3, hash FFFE9730
+  sample 53:
+    time = 37599
+    flags = 1
+    data = length 3, hash FFFED7CE
+  sample 54:
+    time = 39712
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 55:
+    time = 39712
+    flags = 1
+    data = length 3, hash FFFECF7F
+  sample 56:
+    time = 39712
+    flags = 1
+    data = length 3, hash FFFED7E1
+  sample 57:
+    time = 41824
+    flags = 1
+    data = length 3, hash FFFED63D
+  sample 58:
+    time = 41874
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 59:
+    time = 41938
+    flags = 1
+    data = length 3, hash FFFED7AF
+  sample 60:
+    time = 44050
+    flags = 1
+    data = length 3, hash FFFED02F
+  sample 61:
+    time = 44050
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 62:
+    time = 44114
+    flags = 1
+    data = length 3, hash FFFED7D7
+  sample 63:
+    time = 46226
+    flags = 1
+    data = length 3, hash FFFED507
+  sample 64:
+    time = 46266
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 65:
+    time = 46330
+    flags = 1
+    data = length 3, hash FFFED7AF
+  sample 66:
+    time = 48442
+    flags = 1
+    data = length 3, hash FFFED02F
+  sample 67:
+    time = 48442
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 68:
+    time = 48506
+    flags = 1
+    data = length 3, hash FFFED79E
+  sample 69:
+    time = 50616
+    flags = 1
+    data = length 3, hash FFFED5A2
+  sample 70:
+    time = 50661
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 71:
+    time = 50725
+    flags = 1
+    data = length 3, hash FFFED771
+  sample 72:
+    time = 52835
+    flags = 1
+    data = length 3, hash FFFED02F
+  sample 73:
+    time = 52835
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 74:
+    time = 52899
+    flags = 1
+    data = length 3, hash FFFED7A3
+  sample 75:
+    time = 55009
+    flags = 1
+    data = length 3, hash FFFED63D
+  sample 76:
+    time = 55059
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 77:
+    time = 55123
+    flags = 1
+    data = length 3, hash FFFED771
+  sample 78:
+    time = 57233
+    flags = 1
+    data = length 3, hash FFFED02F
+  sample 79:
+    time = 57233
+    flags = 1
+    data = length 3, hash FFFED73F
+  sample 80:
+    time = 57297
+    flags = 1
+    data = length 3, hash FFFED751
+  sample 81:
+    time = 59405
+    flags = 1
+    data = length 3, hash FFFED313
+  sample 82:
+    time = 59435
+    flags = 1
+    data = length 3, hash FFFE9AF1
+  sample 83:
+    time = 59691
+    flags = 1
+    data = length 3, hash FFFED733
+  sample 84:
+    time = 61799
+    flags = 1
+    data = length 3, hash FFFECFEF
+  sample 85:
+    time = 61799
+    flags = 1
+    data = length 3, hash FFFECFEE
+tracksEnded = true
diff --git a/libraries/test_data/src/test/assets/media/midi/Twinkle.mid b/libraries/test_data/src/test/assets/media/midi/Twinkle.mid
new file mode 100644
index 0000000000..8c25f4fbae
Binary files /dev/null and b/libraries/test_data/src/test/assets/media/midi/Twinkle.mid differ