non/timeline/bin/import-ardour-session

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#!/usr/bin/env python2
# Copyright (C) 2013 Jonathan Moore Liles #
# #
# This program is free software; you can redistribute it and/or modify it #
# under the terms of the GNU General Public License as published by the #
# Free Software Foundation; either version 2 of the License, or (at your #
# option) any later version. #
# #
# This program is distributed in the hope that it will be useful, but WITHOUT #
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
# more details. #
# #
# You should have received a copy of the GNU General Public License along #
# with This program; see the file COPYING. If not,write to the Free Software #
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #
import xml.etree.ElementTree as et
import random
import sys
import os
from datetime import date
import shutil
if len(sys.argv) == 1:
print( "Usage: import-ardour-session [PATH_TO_ARDOUR_FILE] [NAME_OF_NON_TIMELINE_PROJECT]" )
sys.exit( 1 )
Overwrite=False
i = 1;
if ( sys.argv[i] == "--overwrite" ):
Overwrite = True
i = i + 1
ArdourFilePath = sys.argv[i]
i = i + 1
NonTimelineProjectPath = sys.argv[i]
i = i + 1
try:
os.makedirs( NonTimelineProjectPath );
os.makedirs( NonTimelineProjectPath + "/sources");
except:
if not Overwrite:
print( "Output path already exists!" )
sys.exit( 1 )
try:
tree = et.parse( ArdourFilePath );
except:
print( "Invalid XML input" )
sys.exit( 1 )
root = tree.getroot();
Sources = {}
DiskStreams = {}
print( "Gathering session info" )
if root.tag != "Session":
print( "Not an Ardour session?" )
sys.exit(1)
print( "Ardour session file version is " + root.attrib["version"] )
print( "This program is known to work with versions <= 3.0.1" )
ProjectName = root.attrib["name"]
print( "Converting Ardour session \"" + ProjectName + "\" to Non Timeline format. Please be patient." )
print( "Gathering sources." )
for node in root.findall( "./Sources/Source" ):
Sources[node.attrib["id"]] = node;
# print( "\tFound source " + node.attrib["name"] )
print( "Gathering version 3 diskstreams." )
for node in root.findall( "./Routes/Route/Diskstream" ):
DiskStreams[node.attrib["id"]] = node;
print( "\tFound diskstream " + node.attrib["name"] )
print( "Gathering version 2 diskstreams." )
for node in root.findall( "./DiskStreams/AudioDiskstream" ):
DiskStreams[node.attrib["id"]] = node;
# print( "\tFound diskstream " + node.attrib["name"]; )
print( "Gathering version 1 diskstreams." )
for node in root.findall( "./DiskStreams/DiskStream" ):
DiskStreams[node.attrib["id"]] = node;
# print( "\tFound diskstream " + node.attrib["name"]; )
LoggableID = 1;
def NewID():
global LoggableID
ID="0x%x" % LoggableID
LoggableID = LoggableID + 1
return ID
History = "{\n"
print( "Processing tempo." )
for node in root.findall("./TempoMap/Tempo"):
TempoID = NewID()
History += ( "\tTempo_Point " + TempoID + " create :start 0 :tempo " + node.attrib["beats-per-minute"] + "\n")
for node in root.findall("./TempoMap/Meter"):
TimeID = NewID()
try:
BPB = node.attrib["beats-per-bar"]
except:
BPB = node.attrib["divisions-per-bar"]
History += ( "\tTime_Point " + TimeID + " create :start 0 :beats_per_bar " + BPB + " :beat_type " + node.attrib["note-type"] + "\n")
print( "Processing playlists." )
for node in root.findall( "./Playlists/Playlist" ):
try:
Track = DiskStreams[node.attrib["orig_diskstream_id"]]
except:
try:
Track = DiskStreams[node.attrib["orig-track-id"]]
except:
print( "\tSkipping playlist " + node.attrib["name"] + " for unknown diskstream" )
continue
if node.attrib["name"] == Track.attrib["playlist"]:
print( "\tFound playlist " + node.attrib["name"] )
# for chan in range(0, int( Track.attrib["channels"] )):
TrackID = NewID()
SequenceID = NewID()
# if int(Track.attrib["channels"]) > 1:
# TrackName = Track.attrib["name"] + "-" + ( "%i" % chan )
# else:
TrackName = Track.attrib["name"]
Channels = int(Track.attrib["channels"])
History += ( "\tTrack " + TrackID + " create :name \"" + TrackName + "\"" + ( " :sequence " + SequenceID ) + " :color " + ( "%i" % random.randint(256,123123123)) + ( " :inputs %i :outputs %i\n" % ( Channels, Channels ) ) )
History += ( "\tAudio_Sequence " + SequenceID + " create :track " + TrackID + " :name \"" + node.attrib["name"] + "\"\n" )
for n2 in node.findall("./Region"):
RegionID = NewID();
if ( int( Track.attrib["channels"] ) > 1 ):
SourceList = []
APath1 = os.path.dirname(ArdourFilePath) + "/sounds/"
APath2 = os.path.dirname(ArdourFilePath) + "/interchange/" + ProjectName + "/audiofiles/"
for chan in range(0, int( Track.attrib["channels"] )):
SourceName = Sources[n2.attrib["source-" + ( "%i" % chan )]].attrib["name"]
if os.path.exists( APath1 + SourceName):
SourceName = APath1 + SourceName
elif os.path.exists( APath2 + SourceName ):
SourceName = APath2 + SourceName
else:
print( "source not found!" )
SourceList.append( "'" + SourceName + "'" );
s1,s2,s3 = Sources[n2.attrib["source-0"]].attrib["name"].partition( '%' )
SourceName = s1 + ".wav"
OutputName = NonTimelineProjectPath + "/sources/" + SourceName
if not os.path.exists( OutputName ):
print( "Combining multifile source into multichannel source" )
os.system( "sox -S -M " + " ".join(SourceList) + " " + "'" + OutputName + "'" )
else:
SourceName = Sources[n2.attrib["source-0"]].attrib["name"];
if not os.path.exists( NonTimelineProjectPath + "/sources/" + SourceName ):
print( "\t\tCopying source: " + SourceName )
try:
shutil.copy( os.path.dirname(ArdourFilePath) + "/interchange/" + ProjectName + "/audiofiles/" + SourceName,
NonTimelineProjectPath + "/sources/" )
except:
shutil.copy( os.path.dirname(ArdourFilePath) + "/sounds/" + SourceName,
NonTimelineProjectPath + "/sources/" )
History += ("\tAudio_Region " + RegionID +
" create :source \"" + SourceName +
"\" :start " + n2.attrib["position"] +
" :length " + n2.attrib["length"] +
" :offset " + n2.attrib["start"] +
" :sequence " + SequenceID + "\n")
else:
print( "\tSkipping inactive playlist" )
History += ("}\n")
print( "Comitting to disk." )
with open( NonTimelineProjectPath + "/info", 'w' ) as InfoFile:
try:
SampleRate = root.attrib["sample-rate"]
except:
print( "Couldn't find sample rate... Using default." )
SampleRate = "48000"
InfoFile.write( "created by\n\tNon-Timeline 1.2.0\ncreated on\n\t" + date.today().ctime() + "\nversion\n\t2\nsample rate\n\t" + SampleRate + "\n" )
with open( NonTimelineProjectPath + "/history", 'w' ) as HistoryFile:
HistoryFile.write( History )
print( "Done. You've been freed. Go make music!" )