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genmidi: Add GENMIDI dump script.

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Helper script to dump the contents of a GENMIDI file into separate
SBI files and a configuration matching the format of config.py.
This commit is contained in:
Simon Howard 2012-01-04 01:36:49 +00:00
parent 3b96d7f1de
commit b0253e3176
2 changed files with 98 additions and 3 deletions
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7
lumps/genmidi/genmidi.py
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@ -135,7 +135,7 @@ def write(filename, instruments):
f.close()
def decode_voice(data):
def decode_voice(data, name):
fields = struct.unpack("<BBBBBBBBBBBBBBh", data)
@ -145,19 +145,20 @@ def decode_voice(data):
result["m_ksl_volume"] = result["m_ksl"] | result["m_volume"]
result["c_ksl_volume"] = result["c_ksl"] | result["c_volume"]
result["name"] = name.rstrip("\0")
return result
def decode_instrument(data, name):
flags, finetune, fixed_note = struct.unpack("<hBB", data[0:4])
voice1 = decode_voice(data[4:20])
voice1 = decode_voice(data[4:20], name)
offset1 = voice1["note_offset"]
# Second voice?
if (flags & FLAG_TWO_VOICE) != 0:
voice2 = decode_voice(data[20:])
voice2 = decode_voice(data[20:], name)
offset2 = voice2["note_offset"]
else:
voice2 = None