/
ed5decode.py
710 lines (589 loc) · 24.8 KB
/
ed5decode.py
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#!/usr/bin/env python3
"""
"ed5decode" -- access to lightworks logging database
Copyright (C) 2014 Martin Schitter <ms+lwks@mur.at>
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 3 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. If not, see <http://www.gnu.org/licenses/>.
"""
import sys, struct, re, logging, os, glob, argparse, time, ntpath
import xml.etree.ElementTree as ET
from xml.dom import minidom
VERSION = '0.2'
class ED5:
def __init__(self, filename):
self.childs = [] # a list of segments
self.filename = filename
self.edit_cells = []
self.EHP = {}
self.title = None
self.fps = 0
f = open(filename, 'rb')
data = f.read()
f.close()
self.childs = Segment.segments_from_data(data, self)
def proj_info(self):
"read framerate and title from project ed5 file"
proj_c = self.EHP['PROJECT_COOKIE']
directory = os.path.dirname(os.path.abspath(self.filename))
proj_file = os.path.join(directory, 'O%s.odb' % proj_c[1:])
if not os.access(proj_file, os.F_OK):
logging.error('can not read project info (%s)' % proj_file)
self.title = 'unknown'
else:
p_f = open(proj_file)
for l in p_f.readlines():
l.strip()
if l.find('PROJECT_NAME') != -1:
self.title = l[14:-2]
if l.find('PROJECT_RATE') != -1:
self.fps = int(l[14:-2])
break
p_f.close()
def export_preparation(self):
"preprocessing that is common for any export format"
if not self.title:
self.proj_info()
if not self.edit_cells:
logging.error('no edit data found')
return 0
# merge pair of cells
num = len(self.edit_cells)
if num % 2:
logging.error('odd number of edit cells')
return 0
else:
for n in range(num-1, 0, -2):
self.edit_cells[n-1]['src_out'] = self.edit_cells[n]['src_out']
self.edit_cells[n-1]['rec_out'] = self.edit_cells[n]['rec_out']
del self.edit_cells[n]
return num
def mlt(self, mlt_filename):
"dump the edit as MLT XML"
if not self.export_preparation():
return
et = ET.Element('mlt')
#find all producers
producers={}
for c in self.edit_cells:
if c['reel'] in ['BL', 'dissolve']:
continue
if c['reel'] not in producers.keys():
d = os.path.dirname(os.path.abspath(self.filename))
e = ED5(os.path.join(d, '%s.ed5' % c['reel']))
match = list(filter(lambda x: x.startswith(
'ORIGINAL_FILE'), e.EHP.keys()))
if match:
path = e.EHP[match[0]]
if path.startswith('\\'):
base = ntpath.basename(path)
else:
base = os.path.basename(path)
#if search_dir:
# path = os.path.join(search_dir, base)
if not os.access(path, os.F_OK):
patern = os.path.join(d, '[SV]%s.*' % c['reel'][1:])
arch_fallback = glob.glob(patern)
if len(arch_fallback) == 1:
path = arch_fallback[0]
logging.warning(
'using shot from archive (%s = %s)'
% (base, os.path.basename(path)))
else:
logging.warning('clip not found %s' %
path)
producers[c['reel']] = path
et_prod = ET.SubElement(et, 'producer',
id=c['reel'])
et_prop = ET.SubElement(et_prod, 'property',
name='resource')
et_prop.text = path
else:
logging.error('did not find path for "%s"',
c['reel'])
producers[c['reel']] = None
# merge related cuts
[ a != b
and a['reel'] == b['reel']
and a['src_in'] == b['src_in']
and a['src_out'] == b['src_out']
and a['rec_in'] == b['rec_in']
and a['rec_out'] == b['rec_out']
and not a.update(track=a['track']+' '+b['track'])
and not self.edit_cells.remove(b)
for a in self.edit_cells
for b in self.edit_cells]
# add to channel
channels= {}
for c in self.edit_cells:
v_tracks = re.findall('V[0-9]', c['track'])
a_tracks = re.findall('A[0-9]', c['track'])
if v_tracks:
if v_tracks[0] not in channels.keys():
channels[v_tracks[0]] = [c]
else:
channels[v_tracks[0]].append(c)
# add to xml
for channel in channels.keys():
et_pl = ET.SubElement(et, 'playlist', id=channel)
for c in channels[channel]:
et_ent = ET.SubElement(et_pl, 'entry', {
'producer': c['reel'],
'in': "%d"%round(c['src_in']*self.fps),
'out':"%d"%round(c['src_out']*self.fps)
})
# write xml
raw = ET.tostring(et, encoding="unicode")
reparsed = minidom.parseString(raw)
pretty = reparsed.toprettyxml(indent=" ")
if mlt_filename == '-':
print(pretty)
else:
f = open(mlt_filename, 'w')
f.write(pretty)
f.close()
def edl(self, edl_filename, filename_as_reel , gvg_format=False):
"dump the edit information as EDL"
# EDL format specifications:
# http://www.editware.com/Editware-DOCs/EDLformat.PDF
# http://xmil.biz/EDL-X/CMX3600.pdf
if not self.export_preparation():
return
# ignore out of bound channels
err = {}
for c in self.edit_cells[:]:
if c['track'] not in 'V1 V2 A1 A2 A3 A4'.split():
if c['track'] not in err.keys():
logging.error('channel %s invalid in EDL' % c['track'])
self.edit_cells.remove(c)
err[c['track']] = None
# merge related cuts
[ a != b
and a['reel'] == b['reel']
and a['src_in'] == b['src_in']
and a['src_out'] == b['src_out']
and a['rec_in'] == b['rec_in']
and a['rec_out'] == b['rec_out']
and not a.update(track=a['track']+' '+b['track'])
and not self.edit_cells.remove(b)
for a in self.edit_cells
for b in self.edit_cells]
# channel notation
for c in self.edit_cells:
c['aud'] = ''
if gvg_format:
if c['track'].find('V1') != -1:
c['track'] = c['track'].replace('V1','V')
x = c['track'].split()
x.sort()
c['track'] = ''.join(x)
c['track'] = c['track'][:1] + c['track'][1:].replace('A','')
c['track'] = c['track'].ljust(6)
else:
tracks = set(c['track'].strip().split())
if 'V2' in tracks:
tracks.remove('V2')
tracks.add('V1')
tracks34 = tracks & {'A3', 'A4'}
tracks12V = tracks & {'A1', 'A2', 'V1'}
if tracks34 == {'A3'}:
c['aud'] = '\nAUD 3 '
elif tracks34 == {'A4'}:
c['aud'] = '\nAUD 4 '
elif tracks34 == {'A3', 'A4'}:
c['aud'] = '\nAUD 3 4'
if not tracks12V:
c['track'] = 'NONE'
elif tracks12V == {'A1'}:
c['track'] = 'A '
elif tracks12V == {'A1', 'V1'}:
c['track'] = 'B '
elif tracks12V == {'V1'}:
c['track'] = 'V '
elif tracks12V == {'A2'}:
c['track'] = 'A2 '
elif tracks12V == {'A2', 'V1'}:
c['track'] = 'A2/V'
elif tracks12V == {'A1', 'A2'}:
c['track'] = 'AA '
elif tracks12V == {'A1', 'A2', 'V1'}:
c['track'] = 'AA/V'
# edl numbering and operation code
num = 1
for c in self.edit_cells:
if not 'duration' in c.keys():
c['duration'] = ' '
if not 'operation' in c.keys():
c['operation'] = 'C '
if gvg_format:
c['number'] = '%04d' % num
else:
c['number'] = '%03d' % num
if c['reel'] == 'dissolve':
next_c = self.edit_cells[self.edit_cells.index(c) +1]
next_c['duration'] = '%03d' % round(c['src_out'] * self.fps)
next_c['rec_in'] = c['rec_in']
next_c['operation'] = 'D '
if gvg_format:
next_c['number'] = '%04d' % (num - 1)
else:
next_c['number'] = '%03d' % (num - 1)
self.edit_cells.remove(c)
else:
num += 1
# a-mode sorting
events = {}
for c in self.edit_cells:
if c['number'] not in events.keys():
events[c['number']] = [c['number'],c['rec_in'],[c]]
else:
events[c['number']][2].append(c)
sort_list = list(events.values())
sort_list.sort(key=lambda x: x[1])
new_cells = []
for n, x in enumerate(sort_list):
for c in x[2]:
if gvg_format:
c['number'] = '%04d' % n
else:
c['number'] = '%03d' % n
new_cells.append(c)
self.edit_cells = new_cells
if 'name' in self.EHP:
edit_name = self.EHP['name'].split(' ', 3)[-1]
else:
edit_name = 'unknown edit'
output = []
output.append('TITLE: %s -- %s (%s) FRAMERATE: %d' % (
self.title, edit_name, os.path.basename(self.filename), self.fps))
if gvg_format:
output.append('GVG EDL [WARNING: ONLY 6 BYTES OF COOKIES USED]')
output.append('SMPTE FRAME CODE')
output.append('')
reels = {}
for c in self.edit_cells[:]:
for n in ['src_in', 'src_out', 'rec_in', 'rec_out']:
if n in c.keys():
c[n+'_hmsf'] = t2hmsf(c[n], self.fps)
if c['reel'] == 'BL' and gvg_format:
c['reel'] == 'BLK'
# clip names as reel
if c['reel'] not in ['UNKNOWN', 'BLK', 'BL']:
#if not c['reel'] in reels.keys():
d = os.path.dirname(os.path.abspath(self.filename))
e = ED5(os.path.join(d, '%s.ed5' % c['reel']))
match = list(filter(lambda x: x.startswith(
'ORIGINAL_FILE'), e.EHP.keys()))
if match:
name = e.EHP[match[0]]
if name.startswith('\\'):
base = ntpath.basename(name)
else:
base = os.path.basename(name)
base = os.path.basename(name.replace('\\','/'))
short = base.split('.',-1)[0].replace(' ', '_')
if filename_as_reel:
if gvg_format and len(short) > 6:
logging.warning('filename to long for EDL: %s'
% base)
reels[c['reel']] = c['reel'][2:]
elif len(short) > 8:
logging.warning('filename to long for EDL: %s'
% base)
reels[c['reel']] = c['reel']
else:
reels[c['reel']] = short
else:
if gvg_format:
reels[c['reel']] = c['reel'][2:]
else:
reels[c['reel']] = c['reel']
c['from_clip'] = '\n* FROM CLIP NAME: %s' % base
c['reel'] = 'AX'
if not 'from_clip' in c.keys():
c['from_clip'] =''
if c['reel'] in reels.keys():
c['reel'] = reels[c['reel']]
if gvg_format:
output.append(' '.join([
c['number'], c['reel'].ljust(6), c['track'],
c['operation'], c['duration'],
c['src_in_hmsf'], c['src_out_hmsf'],
c['rec_in_hmsf'], c['rec_out_hmsf'],
c['aud'], c['from_clip']
]))
else:
output.append(' '.join([
c['number'],'', c['reel'].ljust(8),'', c['track'],'',
c['operation'], c['duration'],
c['src_in_hmsf'], c['src_out_hmsf'],
c['rec_in_hmsf'], c['rec_out_hmsf'],
c['aud'], c['from_clip']
]))
output.append('')
if edl_filename == '-':
sys.stdout.write('\n'.join(output))
else:
f = open(edl_filename, 'w')
f.write('\n'.join(output))
f.close()
def fcpxml(self, fcp_filename):
"dump the edit as Final Cut XML"
pass
class Segment:
def segments_from_data(data, parent):
'return a list of Segments instances from raw data'
segments = []
while data:
# catch alignment errors
if not data.startswith(b'$\0'):
logging.error("magic sequence not found")
sys.exit(1)
label, flags, a, b, head_len, tail = read_segment(data)
dprint('-'*5, 'segment_nr:', len(segments), '-'*35)
segments.append(Segment(data[:head_len+b], parent))
data = data[head_len+b:]
return segments
def __init__(self, data, parent):
self.parent = parent
self.childs = []
label, flags, a, b, head_len, tail = read_segment(data)
if isdebug():
print('segment label: %s\tflags: %s,\t(b=) len: %d' %
(label, flags, b))
hexdump(data, n=head_len)
dprint('subsegment index len (a=): %d' % a )
hexdump(tail, n=a)
subsegment_data = tail[a:]
self.childs = Subsegment.subsegments_from_data(subsegment_data, self)
class Subsegment:
def subsegments_from_data(data, parent):
'return a list of Subsegments instances from raw data'
subsegments = []
while data:
label, flags, a, b, head_len, tail = read_segment(data)
subsegments.append(Subsegment(data[:head_len+a], parent))
data = data[head_len+a:]
return subsegments
def __init__(self, data, parent):
self.parent = parent
self.childs = []
label, flags, a, b, head_len, tail = read_segment(data)
self.label = label
if isdebug():
print ('subsegment -- label: %s, flags %s, (a=) len: %d, b: %d'
% (label, flags, a, b))
hexdump(data, n=head_len)
if label == b'EHP':
self.label_EHP(tail)
elif label == b'T':
self.T = tail[1:-1]
dprint('T -- %s' % self.T)
elif label == b'A':
self.label_A(tail)
elif label == b'C':
self.label_C(tail)
else:
if isdebug():
print("unsupported segment:", label)
hexdump(tail)
def label_EHP(self, tail):
unknown=tail[:2]
count = struct.unpack('i', tail[2:6])[0]
dprint('EHP -- unknown: %s, c: %d' % (unknown, count))
parts=tail[6:].split(b'\0')
idx = 0
while idx+2 < len(parts):
name = parts[idx]
value = parts[idx+1]
typ = parts[idx+2]
idx += 3
dprint(name, ':', value, ':', typ)
self.parent.parent.EHP[name.decode()] = value.decode()
def label_A(self, tail):
num_str = tail[:4]
tail = tail[4:]
num = struct.unpack('i', num_str)[0]
dprint('A -- num:', num)
while tail:
t = struct.unpack('d', tail[:8])[0]
unknown1 = ' '.join(map(lambda x: "%02x" % x, tail[8:11]))
gain = struct.unpack('I', tail[11:15])[0]
unknown2 = ' '.join(map(lambda x: "%02x" % x, tail[15:21]))
tail = tail[21:]
dprint('t=%03.2f\t[%s] gain=%3.1f\t [%s]'
% (t, unknown1, int2db(gain), unknown2))
def label_C(self, tail):
first_byte=tail[:1] # allways 2 (?)
ref, track,sub, sub2, tail = tail[1:].split(b'\0', 4)
if isdebug():
print('first_byte:', first_byte)
print('ref:', ref)
print('track:', track)
print('sub:', sub)
print('sub2:', sub2)
hexdump(tail[:12])
t, num = struct.unpack('dI', tail[:12])
dprint('t:', t, 'num:', num)
tail = (tail[12:])
#hexdump(tail)
while tail:
if isdebug():
print('jump over offset: ', 17)
hexdump(tail[:17])
a, b = struct.unpack('II', tail[:8])
dprint('a:', a, 'b:', b, '(a+b == num)')
if b == 0xf0000000:
if isdebug():
print('no usual edit...')
hexdump(tail)
tail = b''
#### 17 bytes unknown
tail = tail[17:]
# num times edit information of 64 byte length
while tail:
dprint('--------------------------------------')
data = tail[:0x40]
tail = tail[0x40:]
edit = { 'track': track.decode()}
# unknown floats
x, speed = struct.unpack('ff',data[8:16])
edit['speed'] = speed
if isdebug():
print('x: %f\tspeed: %f' % (x, speed))
hexdump(data[:16])
t1, t2 = struct.unpack('dd', data[16:32])
# 1 or 4 at byte 28-32 denote in/out time
t_sel = struct.unpack('i', data[44:48])[0]
if t_sel == 1:
edit['rec_in'] = t1
edit['src_in'] = t2
dprint('Rec IN: %.2f Src IN: %.2f' % (t1, t2))
elif t_sel == 4:
edit['rec_out'] = t1
edit['src_out'] = t2
dprint('Rec OUT: %.2f Src OUT: %.2f' % (t1, t2))
else:
logging.error('time selector "0x%x" unknown' % t_sel)
if isdebug():
hexdump(data[16:])
#reel
r = struct.unpack('i', data[32:36])[0]
if r == 1:
reel = 'BL'
elif r == 0xb655:
reel = 'dissolve'
else:
directory = os.path.dirname(os.path.abspath(
self.parent.parent.filename))
reel = int2reel(r, directory)
edit['reel'] = reel
#type of edit
scope = chr(data[42])
edit['scope'] = scope
dprint('Reel: %s\tType of Edit: %c' % (reel, scope))
#EDL IDs
id1, id2 = struct.unpack('ii', data[52:60])
edit['id1'] = id1
edit['id2'] = id2
dprint('ID-1: %d\t ID-2: %d' % (id1, id2))
self.parent.parent.edit_cells.append(edit)
def read_segment(data):
'read one segment out of a list'
label, tail = data.split(b'\0', 1)
flags = tail[:2]
a, b = struct.unpack('ii', tail[2:10])
tail = tail[10:]
head_len = len(label) + 11
return label, flags, a, b, head_len, tail
def t2hmsf(t, fps):
"get string from seconds for EDL"
sec, frac = divmod(t,1)
ff=round(frac*fps)
t_str = time.strftime('%H:%M:%S', time.gmtime(sec))
t_str += ':%02d' % ff
return t_str
def int2reel(num, directory):
'find existing cookie for numeric ID'
b36 = base36(num)
b36 = '0' * (4 - len(b36)) + b36
p = os.path.join(directory, '*%s.ed5' % b36)
match = glob.glob(p)
if len(match) != 1:
logging.error('did not find uniq cookie "*%s" in %s' %
(b36, directory))
return 'UNKNOWN'
else:
return os.path.basename(match[0])[:-4]
def base36(num):
'translate number to base36 string'
alphabet = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ'
base36 = ''
while num:
num, i = divmod(num, 36)
base36 = alphabet[i] + base36
return base36 or '0'
def int2db(num):
# does not work very well... :(
return (num - 0xf0000000)/10240000.0
def isdebug():
'return true if debugging is enabled'
return logging.getLogger().isEnabledFor(logging.DEBUG)
def dprint(*args):
'print if debugging is enabled'
if isdebug():
print(*args)
def hexdump(data, offset=0, n=None):
if len(data) < offset:
return
data = data[offset:]
if n:
data = data[:n]
while data:
line = data[:16]
data = data[16:]
str2 = ' '.join(map(lambda x: "%02x" % x, line))
str3 = ''.join(map(lambda x: chr(x).isprintable()
and chr(x) or '.', line))
print('%04x %s %s' % (offset, str2.ljust(50), str3.encode('utf8')))
offset += 16
def main():
parser = argparse.ArgumentParser(description='analyze .ed5 files')
parser.add_argument('--version', action='version',
version='%(prog)s: ' + VERSION)
parser.add_argument('-d', '--debug', action='store_true' )
parser.add_argument('files', metavar='FILE', nargs='+' )
parser.add_argument('-m', '--mlt', metavar='FILE',
help='export as MLT XML (use "-" for stdout)')
parser.add_argument('-e', '--edl', metavar='FILE',
help='export as EDL (use "-" for stdout)')
parser.add_argument('-x', '--fcpxml', metavar='FILE',
help='export as Final Cut XML (use "-" for stdout)')
parser.add_argument('-c', '--clipnames', action='store_true',
help='use clipname as reel in EDL')
parser.add_argument('-g', '--gvg-edl', action='store_true',
help='grass valley group EDL format')
args = parser. parse_args()
#print('ARGS:', args)
if args.debug:
logging.basicConfig(level=logging.DEBUG)
## if args.edl and args.mlt and args.fcpxml:
## logging.error('you can use only one export format')
## sys.exit(0)
for f in args.files:
ed5 = ED5(f)
if args.edl:
ed5.edl(args.edl, args.clipnames, args.gvg_edl)
if args.mlt:
ed5.mlt(args.mlt)
if args.fcpxml:
ed5.fcpxml(args.fcpxml)
if __name__ == '__main__':
main()