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atem_config.py
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atem_config.py
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# Properties of the ATEM switcher
# This should eventually be saved/restored to a file
# Currently it gets populated with sane defaults
import xml.etree.ElementTree as ET
from collections import defaultdict
from pprint import pprint
conf_db = {}
video_sources = {
0 : "Black",
1 : "Input 1",
2 : "Input 2",
3 : "Input 3",
4 : "Input 4",
5 : "Input 5",
6 : "Input 6",
7 : "Input 7",
8 : "Input 8",
9 : "Input 9",
10 : "Input 10",
11 : "Input 11",
12 : "Input 12",
13 : "Input 13",
14 : "Input 14",
15 : "Input 15",
16 : "Input 16",
17 : "Input 17",
18 : "Input 18",
19 : "Input 19",
20 : "Input 20",
1000 : "Color Bars",
2001 : "Color 1",
2002 : "Color 2",
3010 : "Media Player 1",
3011 : "Media Player 1 Key",
3020 : "Media Player 2",
3021 : "Media Player 2 Key",
4010 : "Key 1 Mask",
4020 : "Key 2 Mask",
4030 : "Key 3 Mask",
4040 : "Key 4 Mask",
5010 : "DSK 1 Mask",
5020 : "DSK 2 Mask",
6000 : "Super Source",
7001 : "Clean Feed 1",
7002 : "Clean Feed 2",
8001 : "Auxilary 1",
8002 : "Auxilary 2",
8003 : "Auxilary 3",
8004 : "Auxilary 4",
8005 : "Auxilary 5",
8006 : "Auxilary 6",
10010 : "ME 1 Prog",
10011 : "ME 1 Prev",
10020 : "ME 2 Prog",
10021 : "ME 2 Prev",
}
# Specific device sources (can't really be determined from the config file)
# Match by config file <Profile product=xxxxxx>
DEVICE_VIDEO_SOURCES = {
"ATEM Television Studio HD" : [0,1,2,3,4,5,6,7,8,1000,2001,2002,3010,3011,3020,3021,4010,5010,5020,10010,10011,7001,7002,8001]
}
audio_sources = {
1 : "Input 1",
2 : "Input 2",
3 : "Input 3",
4 : "Input 4",
5 : "Input 5",
6 : "Input 6",
7 : "Input 7",
8 : "Input 8",
9 : "Input 9",
10 : "Input 10",
11 : "Input 11",
12 : "Input 12",
13 : "Input 13",
14 : "Input 14",
15 : "Input 15",
16 : "Input 16",
17 : "Input 17",
18 : "Input 18",
19 : "Input 19",
20 : "Input 20",
1001 : "XLR",
1101 : "AES/EBU",
1201 : "RCA",
2001 : "MP1",
2002 : "MP2",
}
def config_init(config_file):
global conf_db
root = ET.parse(config_file).getroot()
conf_db = etree_to_dict(root)
conf_db = manipulate_sections(conf_db)
return conf_db
# Borrowed this nifty algorithm from here:
# https://stackoverflow.com/questions/7684333/converting-xml-to-dictionary-using-elementtree
def etree_to_dict(t):
d = {t.tag: {} if t.attrib else None}
children = list(t)
if children:
dd = defaultdict(list)
for dc in map(etree_to_dict, children):
for k, v in dc.items():
dd[k].append(v)
d = {t.tag: {k: v[0] if len(v) == 1 else v
for k, v in dd.items()}}
if t.attrib:
d[t.tag].update((k, v)
for k, v in t.attrib.items())
if t.text:
text = t.text.strip()
if children or t.attrib:
if text:
d[t.tag]['#text'] = text
else:
d[t.tag] = text
return d
# push subnode keys up one level and list dictionaries by index
def push_up_and_index(tree, node, subnode, index_name):
node_list = tree[node][subnode]
if type(node_list) != list:
node_list = [node_list]
new_node_list = {}
for nn in node_list:
new_node_list[int(nn[index_name])] = nn
tree[node] = new_node_list
return tree
# make it easier to find commonly used things
def manipulate_sections(conf_db):
# Take out top level "Profile"
new_db = conf_db['Profile']
# push mix effect blocks up one level and list dictionaries by index
new_db = push_up_and_index(new_db, "MixEffectBlocks", "MixEffectBlock", "index")
# me_list = new_db['MixEffectBlocks']['MixEffectBlock']
# if type(me_list) != list:
# me_list = [me_list]
# new_me_list = {}
# for me in me_list:
# new_me_list[int(me['index'])] = me
# new_db['MixEffectBlocks'] = new_me_list
# push downstream keys up one level and list dictionaries by index
new_db = push_up_and_index(new_db, "DownstreamKeys", "DownstreamKey", "index")
# dsk_list = new_db['DownstreamKeys']['DownstreamKey']
# if type(dsk_list) != list:
# dsk_list = [dsk_list]
# new_dsk_list = {}
# for dsk in dsk_list:
# new_dsk_list[int(dsk['index'])] = dsk
# new_db['DownstreamKeys'] = new_dsk_list
# push downstream keys up one level and list dictionaries by index
new_db = push_up_and_index(new_db, "ColorGenerators", "ColorGenerator", "index")
# push inputs keys up one level and list dictionaries by id
new_db['Settings'] = push_up_and_index(new_db['Settings'], "Inputs", "Input", "id")
return new_db
def get_config(name:str):
return(conf_db.get(name))
def set_config(name:str, val):
if name in conf_db:
conf_db[name] = val
else:
raise ValueError()
if __name__ == "__main__":
db = config_init("default_config.xml")
pprint(db)