def probe_mxf_clean(in_meta):
""" Format asdcp-info probe result.
Args:
in_meta (dict): MXF probe metadata returned by asdcp-info.
Returns:
Dictionary containing MXF metadata as parsed by asdcp-info.
"""
out_meta = {}
# Generic cleanup
for k, v in six.iteritems(in_meta):
# Remove BitRate unit suffix
if v.endswith('Mb/s'):
v = v[:-4]
# Try to transform ratios string
try:
if '/' in v:
v = format_ratio(v)
except ValueError:
pass
# Try to convert to number
v = try_convert_number(v)
# Use boolean instead of string
if v == 'Yes':
v = True
if v == 'No':
v = False
# Remove empty value key
if v == '':
continue
out_meta[k] = v
# Specific helper keys
is_picture = 'AspectRatio' in out_meta
if is_picture:
out_meta['Resolution'] = "{}x{}".format(
out_meta['StoredWidth'],
out_meta['StoredHeight'])
is_sound = 'AudioSamplingRate' in out_meta
if is_sound:
config_map = DCP_SETTINGS['sound']['configuration_channels']
mxf_format = out_meta['ChannelFormat']
if mxf_format in config_map:
label, _, _ = config_map[mxf_format]
out_meta['ChannelConfiguration'] = label
return out_meta
def cpl_asset_parse_cut(asset, position):
""" Parse an asset Cut """
edit_r = 0
# Format Editrate
if 'EditRate' in asset:
edit_r = format_ratio(asset['EditRate'])
asset['EditRate'] = edit_r
# Format Cut
if all_keys_in_dict(asset, ["EditRate", "Duration", "EntryPoint"]):
asset['OutPoint'] = asset['Duration'] + asset['EntryPoint']
asset['CPLEntryPoint'] = position
asset['CPLOutPoint'] = position + asset['Duration']
asset['TimeCodeIn'] = frame_to_tc(asset['CPLEntryPoint'], edit_r)
asset['TimeCodeOut'] = frame_to_tc(asset['CPLOutPoint'], edit_r)
asset['TimeCodeDuration'] = frame_to_tc(asset['Duration'], edit_r)
def cpl_reels_parse(cpl_node):
""" Transform Reels list to a more uniform representation """
in_reels = cpl_node['ReelList']['Reel']
out_reels = []
global_editrate = 0
total_frame_duration = 0
is_dvi = False
is_ec = False
is_dbox = False
eidr = ''
for pos, in_reel in enumerate(in_reels, 1):
assetlist = in_reel.get('AssetList')
if not assetlist:
continue
out_reel = {}
out_reel['Position'] = pos
out_reel['Id'] = in_reel.get('Id', '')
out_reel['AnnotationText'] = in_reel.get('AnnotationText', '')
out_reel['Assets'] = {}
# Recognized asset categories
asset_mapping = {
'MainPicture': 'Picture',
'MainStereoscopicPicture': 'Picture',
'MainSound': 'Sound',
'AuxData': 'AuxData',
'MainSubtitle': 'Subtitle',
'MainMarkers': 'Markers',
'CompositionMetadataAsset': 'Metadata',
'MainCaption': 'OpenCaption',
'ClosedCaption': 'ClosedCaption',
'MainClosedCaption': 'ClosedCaption',
}
# Generic asset parsing
for key, val in six.iteritems(asset_mapping):
if key in assetlist:
out_reel['Assets'][val] = assetlist[key]
asset = out_reel['Assets'][val]
# Duplicated assets is a fatal error
if isinstance(asset, list):
raise ProbeException(
"Duplicated {} asset in CPL {}, Reel {}".format(
key, cpl_node.get('ContentTitleText', ''), pos))
discover_schema(asset)
# Encryption
asset['Encrypted'] = 'KeyId' in asset
# Format Cut
cpl_asset_parse_cut(asset, total_frame_duration)
if 'Picture' in out_reel['Assets']:
picture = out_reel['Assets']['Picture']
editrate_r = float(picture.get('EditRate', 0))
picture['Stereoscopic'] = 'MainStereoscopicPicture' in assetlist
min_hfr_editrate = DCP_SETTINGS['picture']['min_hfr_editrate']
picture['HighFrameRate'] = editrate_r >= min_hfr_editrate
picture['FrameRate'] = format_ratio(picture.get('FrameRate'))
picture["ScreenAspectRatio"] = format_ratio(
picture.get('ScreenAspectRatio'))
# Picture track is the reference for EditRate / Duration
global_editrate = editrate_r
total_frame_duration += picture.get('Duration', 0)
if 'Markers' in out_reel['Assets']:
marker = out_reel['Assets']['Markers']
editrate_r = format_ratio(marker.get('EditRate'))
marker['EditRate'] = editrate_r
marker_list = marker['MarkerList']['Marker']
if not type(marker_list) is list:
marker['MarkerList'] = [marker_list]
else:
marker['MarkerList'] = marker_list
if 'Metadata' in out_reel['Assets']:
meta = out_reel['Assets']['Metadata']
exts = meta.get('ExtensionMetadataList',
{}).get('ExtensionMetadata', [])
for ext in exts:
ext_name = ext.get('Name')
properties = ext.get('PropertyList')
if ext_name == 'Dolby EDR':
is_dvi = True
elif ext_name == 'Eclair Color':
is_ec = True
elif ext_name == 'D-BOX Enabled':
is_dbox = True
elif ext_name == 'EIDR':
for p in properties:
prop_name = p['Property'].get('Name', '')
if prop_name != 'structural-type':
continue
eidr = p['Property'].get('Value', '')
eidr = eidr.replace('urn:eidr:10.5240:', '').strip()
out_reels.append(out_reel)
cpl_node['DolbyVision'] = is_dvi
cpl_node['EclairColor'] = is_ec
cpl_node['D-BOX'] = is_dbox
cpl_node['EIDR'] = eidr
cpl_node['ReelList'] = out_reels
cpl_node['TotalDuration'] = total_frame_duration
cpl_node['TotalTimeCodeDuration'] = frame_to_tc(total_frame_duration,
global_editrate)
def cpl_reels_parse(cpl_node):
""" Transform Reels list to a more uniform representation """
in_reels = cpl_node['ReelList']['Reel']
out_reels = []
global_editrate = 0
total_frame_duration = 0
is_dvi = False
is_ec = False
is_dbox = False
for pos, in_reel in enumerate(in_reels, 1):
assetlist = in_reel.get('AssetList')
if not assetlist:
continue
out_reel = {}
out_reel['Position'] = pos
out_reel['Id'] = in_reel.get('Id', '')
out_reel['AnnotationText'] = in_reel.get('AnnotationText', '')
out_reel['Assets'] = {}
# Recognized asset categories
asset_mapping = {
'MainPicture': 'Picture',
'MainStereoscopicPicture': 'Picture',
'MainSound': 'Sound',
'AuxData': 'AuxData',
'MainSubtitle': 'Subtitle',
'MainMarkers': 'Markers',
'CompositionMetadataAsset': 'Metadata',
'ClosedCaption': 'ClosedCaption'
}
# Generic asset parsing
for key, val in six.iteritems(asset_mapping):
if key in assetlist:
out_reel['Assets'][val] = assetlist[key]
asset = out_reel['Assets'][val]
discover_schema(asset)
# Encryption
asset['Encrypted'] = 'KeyId' in asset
# Format Cut
cpl_asset_parse_cut(asset, total_frame_duration)
if 'Picture' in out_reel['Assets']:
picture = out_reel['Assets']['Picture']
editrate_r = float(picture.get('EditRate', 0))
picture['Stereoscopic'] = 'MainStereoscopicPicture' in assetlist
min_hfr_editrate = DCP_SETTINGS['picture']['min_hfr_editrate']
picture['HighFrameRate'] = editrate_r >= min_hfr_editrate
picture['FrameRate'] = format_ratio(picture.get('FrameRate'))
picture["ScreenAspectRatio"] = format_ratio(
picture.get('ScreenAspectRatio'))
# Picture track is the reference for EditRate / Duration
global_editrate = editrate_r
total_frame_duration += picture.get('Duration', 0)
if 'Markers' in out_reel['Assets']:
marker = out_reel['Assets']['Markers']
editrate_r = format_ratio(marker.get('EditRate'))
marker['EditRate'] = editrate_r
marker_list = marker['MarkerList']['Marker']
if type(marker_list) is list:
marker['MarkerList'] = marker_list
else:
marker['MarkerList'] = [{
marker_list["Label"]: marker_list["Offset"]
}]
if 'Metadata' in out_reel['Assets']:
meta = out_reel['Assets']['Metadata']
exts = meta['ExtensionMetadataList'].get('ExtensionMetadata', [])
for ext in exts:
ext_name = ext.get('Name')
if ext_name == 'Dolby EDR':
is_dvi = True
elif ext_name == 'Eclair Color':
is_ec = True
elif ext_name == 'D-BOX Enabled':
is_dbox = True
out_reels.append(out_reel)
cpl_node['DolbyVision'] = is_dvi
cpl_node['EclairColor'] = is_ec
cpl_node['D-BOX'] = is_dbox
cpl_node['ReelList'] = out_reels
cpl_node['TotalDuration'] = total_frame_duration
cpl_node['TotalTimeCodeDuration'] = frame_to_tc(
total_frame_duration, global_editrate)
