def load(self):
"""load.
Loading preset into Reaper.
"""
#load chunk from reaper and decode it
chunk_from_reaper = rpre.save()
decoded_chunk_from_reaper = chunk_from_reaper.decode_vst_chunk()
project = reapy.Project()
selected_track = project.get_selected_track(0)
selected_track.instrument.delete()
selected_track.add_fx(chunk_from_reaper.plugin_dll)
#read nks file and get chunk
preset_to_convert = nksf.NKSF(self.filepath, True, True, True)
new_chunk = preset_to_convert._NKSF__chunks["PCHK"].data
#convert chunk into list with length 210
length = 210
presetdata = [
new_chunk[i:i + length] for i in range(0, len(new_chunk), length)
]
#insert reaper specific header and footer
"""This is used to calculate the number of list elements for the header of the fx state chunk
it is built up the following:
4 Bytes: VST ID
4 Bytes: Reaper Magix Number
4 Bytes: Number of Inputs
8 Bytes by Number of inputs: Input Mask
4 Bytes: Number of outputs
8 Bytes by Number of outputs: output Mask
4 Bytes: Something I don't know
8 Bytes: seems to be the end 01 00 00 00 00 00 10 00
"""
instrument_description_lenth = 4 + 4 + 4 + (
selected_track.instrument.n_inputs *
8) + 4 + (selected_track.instrument.n_outputs * 8) + 4 + 8
# calculate number of list elements needed for length. Per element its 210 bytes
no_list_elements = int(instrument_description_lenth /
210) + (instrument_description_lenth % 210 > 0)
if no_list_elements == 1:
progchunk = [decoded_chunk_from_reaper[0]] + presetdata
else:
progchunk = decoded_chunk_from_reaper[0:no_list_elements -
1] + presetdata
pgm_name = b'\x00' + "test".encode() + b'\x00\x10\x00\x00\x00'
progchunk.append(pgm_name)
#load new chunk into reaper
chunk_from_reaper.encode_vst_chunk(progchunk)
rpre.load(chunk_from_reaper)
def render_audio(folder: str, preset_name: str, chunk) -> str:
"""Render Audio.
Renders audio inside Reaper
Parameters
----------
folder: folder where to store audio
preset_name: name of audio file
Returns
-------
renderpath: full path to rendered audio
"""
#open new tab
reapy.perform_action(40859)
#set renderpath in project file
logging.debug('Rendering: ' + preset_name)
renderpath = folder + "\\" + preset_name + ".mp3"
set_output_path(renderpath)
#set name of track,as rendering takes trackname for filename
project = reapy.Project()
vst_track = project.tracks[0]
vst_track.name = preset_name
#load preset to track 1
project.select_all_tracks()
rp.load(chunk)
time.sleep(2)
#save project so changes get updated
project.save()
project.select_all_tracks()
#call render action by ID
reapy.perform_action(42230)
logging.debug("Finished Rendering")
#remove VSTI to not get issues when loading next time
vst_track.instrument.delete()
project.save()
#close tab
reapy.perform_action(40860)
return renderpath
decoded_chunk_from_reaper = chunk_from_reaper.decode_vst_chunk()
presetpath = r"C:\Users\phili\Desktop\fxp\omni"
for filename in os.listdir(presetpath):
#read nks file and get chunk
fxppreset = fxp.FXPPreset(os.path.join(presetpath, filename))
new_chunk = fxppreset.fxpchunk
#convert chunk into list with length 210
length = 210
progchunk = [
new_chunk[i:i + length] for i in range(0, len(new_chunk), length)
]
#insert reaper specific header and footer
progchunk.insert(0, decoded_chunk_from_reaper[0])
pgm_name = b'\x00' + "test".encode() + b'\x00\x10\x00\x00\x00'
progchunk.append(pgm_name)
chunktest1 = rpre.save().decode_vst_chunk()
#load new chunk into reaper
chunk_from_reaper.encode_vst_chunk(progchunk)
rpre.load(chunk_from_reaper)
#todo validate
chunktest2 = rpre.save().decode_vst_chunk()
if chunktest1 == chunktest2:
print("Failed: " + filename)
else:
print("Success: " + filename)
#vstipreset = vsti.VSTPreset("C:\\Users\\phili\\Desktop\\amped.vstpreset")
print("Test")
start = "#pgm=bbb Funkeee\n"
#filepath= "C:\\Users\\phili\\Desktop\\bbb.FXP"
filepath = "C:\\Tyrell\\TyrellN6.data\\Presets\\TyrellN6\\Chapter 3.h2p"
fxppresetstream = open(filepath, "rb")
fxpchunk = fxppresetstream.read()
fxpchunk = fxpchunk.replace(b"\\r", b"\r")
fxpchunk = fxpchunk.replace(b"\\n", b"\n")
combined = start.encode() + fxpchunk
#split into size 280
length = 210
progchunk = [combined[i:i + length] for i in range(0, len(combined), length)]
progchunk.insert(0, msg[0])
progchunk.append(b'\x00')
msg2 = []
for ch in progchunk:
bt = base64.b64encode(ch).decode()
msg2.append(bt)
for a, b in zip(chunk.vst_chunk, msg2):
print(a == b)
chunk.vst_chunk = msg2
rpre.load(chunk)
#split into size 210
length = 210
vsti_chunk_dec = [vsti_chunk_combined[i:i+length] for i in range(0, len(vsti_chunk_combined), length)]
#add reaper specific data for plugin
vsti_chunk_dec.insert(0, reaper_chunk_dec[0])
vsti_chunk_dec.insert(1, reaper_chunk_dec[1])
vsti_chunk_dec.insert(2, reaper_chunk_dec[2])
vsti_chunk_dec.append(reaper_chunk_dec[-1])
#compare reaper and vstpreset chunk before encoding
for a,b in zip(vsti_chunk_dec, reaper_chunk_dec):
print(a==b)
#encode vstpreset chunk
vsti_chunk_raw = []
vsti_string_dec = bytes()
for ch in vsti_chunk_dec:
vsti_string_dec += ch
bt = base64.b64encode(ch).decode()
vsti_chunk_raw.append(bt)
#compare reaper and vstpreset chunk after encoding
for a,b in zip(reaper_chunk_raw.vst_chunk, vsti_chunk_raw):
print(a==b)
#set new chunk in reaper track
reaper_chunk_raw.vst_chunk= vsti_chunk_raw
rpre.load(reaper_chunk_raw)
print("Finished")
def load(self):
"""load.
Loading preset into Reaper.
"""
rp.load(self.chunk)