9 import xml.etree.ElementTree as ET
12 print 'Syntax: %s <film>' % sys.argv[1]
15 metadata_xml = os.path.join(sys.argv[1], 'metadata.xml');
16 tree = ET.parse(metadata_xml)
18 def digest_head_tail(filename, size=1000000):
20 f = open(filename, 'rb')
21 m.update(f.read(size))
23 m.update(f.read(size))
25 return m.hexdigest() + str(os.path.getsize(filename))
29 os.makedirs(os.path.join(sys.argv[1], 'dummy'))
35 for c in root.find('Playlist').findall('Content'):
36 type = c.find('Type').text
40 for p in c.findall('Path'):
41 if os.path.basename(p.text) == 'ASSETMAP':
42 assetmap_file = p.text
44 assert(assetmap_file is not None)
45 dir = os.path.dirname(assetmap_file)
49 assetmap = ET.parse(assetmap_file)
50 ns = {'am': 'http://www.digicine.com/PROTO-ASDCP-AM-20040311#'}
51 for a in assetmap.getroot().find('am:AssetList', ns).findall('am:Asset', ns):
52 assets[a.find('am:Id', ns).text[9:]] = a.find('am:ChunkList', ns).find('am:Chunk', ns).find('am:Path', ns).text
55 for k, v in assets.iteritems():
57 e = ET.parse(os.path.join(dir, v))
58 if e.getroot().tag == '{http://www.digicine.com/PROTO-ASDCP-CPL-20040511#}CompositionPlaylist':
63 assert(cpl_id is not None)
64 cpl = ET.parse(os.path.join(dir, assets[cpl_id]))
66 ns = {'cpl': 'http://www.digicine.com/PROTO-ASDCP-CPL-20040511#'}
67 for r in cpl.find('cpl:ReelList', ns).findall('cpl:Reel', ns):
68 for a in r.find('cpl:AssetList', ns).iter():
69 if a.tag == '{%s}MainPicture' % ns['cpl']:
70 id = a.find('cpl:Id', ns).text[9:]
71 duration = int(a.find('cpl:IntrinsicDuration', ns).text)
72 black_png = tempfile.NamedTemporaryFile('wb', suffix='.png')
73 black_j2c = tempfile.NamedTemporaryFile('wb', suffix='.j2c')
74 os.system('convert -size 1998x1080 xc:black %s' % black_png.name)
75 os.system('image_to_j2k -i %s -o %s' % (black_png.name, black_j2c.name))
76 j2c_dir = tempfile.mkdtemp()
78 for i in range(0, duration):
79 shutil.copyfile(black_j2c.name, os.path.join(j2c_dir, '%06d.j2c' % i))
80 os.system('asdcp-wrap -a %s %s %s' % (id, j2c_dir, os.path.join(sys.argv[1], 'dummy', assets[id])))
81 elif a.tag == '{%s}MainSound' % ns['cpl']:
82 wav = tempfile.NamedTemporaryFile('wb', suffix='.wav')
83 id = a.find('cpl:Id', ns).text[9:]
84 duration = int(a.find('cpl:IntrinsicDuration', ns).text)
85 edit_rate = int(a.find('cpl:EditRate', ns).text.split()[0])
86 os.system('sox -n -r 48000 -c 6 %s trim 0.0 %f' % (wav.name, float(duration) / edit_rate))
87 os.system('asdcp-wrap -a %s %s %s' % (id, wav.name, os.path.join(sys.argv[1], 'dummy', assets[id])))
88 elif type == 'Sndfile':
89 audio_frame_rate = int(c.find('AudioFrameRate').text)
90 channels = int(c.find('AudioMapping').find('InputChannels').text)
91 path = os.path.join(sys.argv[1], 'dummy', ntpath.basename(c.find('Path').text))
92 audio_length = int(c.find('AudioLength').text)
93 os.system('sox -n -r %d -c %d %s trim 0.0 %f' % (audio_frame_rate, channels, path, float(audio_length) / audio_frame_rate))
94 elif type == 'FFmpeg':
97 path = os.path.join(sys.argv[1], 'dummy', ntpath.basename(c.find('Path').text))
98 if c.find('VideoFrameRate') is not None:
99 video_frame_rate = float(c.find('VideoFrameRate').text)
100 video_length = int(c.find('VideoLength').text)
101 video_cmd = '-s qcif -f rawvideo -pix_fmt rgb24 -r %d -i /dev/zero' % video_frame_rate
102 if c.find('AudioStream') is not None:
103 audio_channels = int(c.find('AudioStream').find('Mapping').find('InputChannels').text)
104 audio_frame_rate = int(c.find('AudioStream').find('FrameRate').text)
105 names = { 1: 'mono', 2: 'stereo', 3: '3.0', 4: '4.0', 5: '4.1', 6: '5.1', 7: '6.1', 8: '7.1' }
106 audio_cmd = '-f lavfi -i anullsrc=channel_layout=%s:sample_rate=%d' % (names[audio_channels], audio_frame_rate)
107 os.system('ffmpeg -t %d %s %s -shortest "%s"' % (float(video_length) / video_frame_rate, video_cmd, audio_cmd, path))
108 c.find('Path').text = path
109 c.find('Digest').text = digest_head_tail(path)
110 elif type == 'Image':
111 width = int(c.find('VideoWidth').text)
112 height = int(c.find('VideoHeight').text)
113 path = os.path.join(sys.argv[1], 'dummy', ntpath.basename(c.find('Path').text))
114 os.system('convert -size %dx%d xc:black "%s"' % (width, height, path))
116 print 'Skipped %s' % type
119 shutil.move(metadata_xml, metadata_xml + '.bak')
120 r = open(metadata_xml, 'w')
121 r.write(ET.tostring(root))