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))
33 os.makedirs(os.path.join(sys.argv[1], 'dummy'))
39 for c in root.find('Playlist').findall('Content'):
40 type = c.find('Type').text
44 for p in c.findall('Path'):
45 if os.path.basename(p.text) == 'ASSETMAP':
47 elif os.path.basename(p.text) == 'ASSETMAP.xml':
49 assetmap_file = p.text
51 assert(assetmap_file is not None)
52 dir = os.path.dirname(assetmap_file)
56 assetmap = ET.parse(assetmap_file)
57 ns = {'am': 'http://www.digicine.com/PROTO-ASDCP-AM-20040311#'} if interop else {'am': 'http://www.smpte-ra.org/schemas/429-9/2007/AM'}
58 for a in assetmap.getroot().find('am:AssetList', ns).findall('am:Asset', ns):
59 assets[a.find('am:Id', ns).text[9:]] = a.find('am:ChunkList', ns).find('am:Chunk', ns).find('am:Path', ns).text
62 cpl_ns = 'http://www.digicine.com/PROTO-ASDCP-CPL-20040511#}' if interop else 'http://www.smpte-ra.org/schemas/429-7/2006/CPL'
63 for k, v in assets.items():
65 e = ET.parse(os.path.join(dir, v))
66 print(e.getroot().tag)
67 if e.getroot().tag == "{" + cpl_ns + "}CompositionPlaylist":
72 assert(cpl_id is not None)
73 cpl = ET.parse(os.path.join(dir, assets[cpl_id]))
76 for r in cpl.find('cpl:ReelList', ns).findall('cpl:Reel', ns):
77 for a in r.find('cpl:AssetList', ns).iter():
78 if a.tag == '{%s}MainPicture' % ns['cpl']:
79 id = a.find('cpl:Id', ns).text[9:]
80 duration = int(a.find('cpl:IntrinsicDuration', ns).text)
81 black_png = tempfile.NamedTemporaryFile('wb', suffix='.png')
83 black_j2c = tempfile.NamedTemporaryFile('wb', suffix='.j2c')
84 os.system('convert -size 1998x1080 xc:black %s' % black_png.name)
85 os.system('opj_compress -i %s -o %s' % (black_png.name, black_j2c.name))
86 j2c_dir = tempfile.mkdtemp()
87 for i in range(0, duration):
89 os.link(black_j2c.name, os.path.join(j2c_dir, '%06d.j2c' % i))
93 black_j2cs.append(black_j2c)
94 black_j2c = tempfile.NamedTemporaryFile('wb', suffix='.j2c')
95 os.link(black_j2c.name, os.path.join(j2c_dir, '%06d.j2c' % i))
99 os.system('asdcp-wrap -a %s %s %s' % (id, j2c_dir, os.path.join(sys.argv[1], 'dummy', assets[id])))
100 elif a.tag == '{%s}MainSound' % ns['cpl']:
101 wav = tempfile.NamedTemporaryFile('wb', suffix='.wav')
102 id = a.find('cpl:Id', ns).text[9:]
103 duration = int(a.find('cpl:IntrinsicDuration', ns).text)
104 edit_rate = int(a.find('cpl:EditRate', ns).text.split()[0])
105 os.system('sox -n -r 48000 -c 6 %s trim 0.0 %f' % (wav.name, float(duration) / edit_rate))
106 os.system('asdcp-wrap -a %s %s %s' % (id, wav.name, os.path.join(sys.argv[1], 'dummy', assets[id])))
107 elif type == 'Sndfile':
108 audio_frame_rate = int(c.find('AudioFrameRate').text)
109 channels = int(c.find('AudioMapping').find('InputChannels').text)
110 path = os.path.join(sys.argv[1], 'dummy', ntpath.basename(c.find('Path').text))
111 audio_length = int(c.find('AudioLength').text)
112 os.system('sox -n -r %d -c %d %s trim 0.0 %f' % (audio_frame_rate, channels, path, float(audio_length) / audio_frame_rate))
113 elif type == 'FFmpeg':
116 path = os.path.join(sys.argv[1], 'dummy', ntpath.basename(c.find('Path').text))
117 if c.find('AudioStream') is not None:
118 audio_channels = int(c.find('AudioStream').find('Mapping').find('InputChannels').text)
119 audio_frame_rate = int(c.find('AudioStream').find('FrameRate').text)
120 audio_length = int(c.find('AudioStream').find('Length').text)
121 names = { 1: 'mono', 2: 'stereo', 3: '3.0', 4: '4.0', 5: '4.1', 6: '5.1', 7: '6.1', 8: '7.1' }
122 os.system(f'ffmpeg -t {float(audio_length) / audio_frame_rate} -f lavfi -i anullsrc=channel_layout={names[audio_channels]}:sample_rate={audio_frame_rate} audio.aac')
123 if c.find('VideoFrameRate') is not None:
124 video_frame_rate = float(c.find('VideoFrameRate').text)
125 video_length = int(c.find('VideoLength').text)
126 video_cmd = '-s qcif -f rawvideo -pix_fmt rgb24 -r %f -i /dev/zero' % video_frame_rate
127 command(f'ffmpeg -t {video_length / video_frame_rate} -s qcif -f rawvideo -pix_fmt rgb24 -r {video_frame_rate} -i /dev/zero -shortest video.mp4')
128 if c.find('AudioStream') is not None and c.find('VideoFrameRate') is not None:
129 command(f'ffmpeg -i video.mp4 -i audio.aac -c copy -shortest "{path}"')
130 elif c.find('VideoFrameRate') is not None:
131 command(f'ffmpeg -i video.mp4 "{path}"')
133 command('sox -n -r %d -c %d %s trim 0.0 %f' % (audio_frame_rate, audio_channels, path, float(audio_length) / audio_frame_rate))
135 os.unlink('video.mp4')
136 os.unlink('audio.aac')
139 c.find('Path').text = path
140 c.find('Digest').text = digest_head_tail(path)
141 elif type == 'Image':
142 width = int(c.find('VideoWidth').text)
143 height = int(c.find('VideoHeight').text)
144 path = os.path.join(sys.argv[1], 'dummy', ntpath.basename(c.find('Path').text))
145 os.system('convert -size %dx%d xc:black "%s"' % (width, height, path))
147 print('Skipped %s' % type)
150 shutil.move(metadata_xml, metadata_xml + '.bak')
151 r = open(metadata_xml, 'w')
152 r.write(ET.tostring(root).decode('UTF-8'))