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"""
util functions and classes
"""
import json
from pprint import pprint
from tempfile import _TemporaryFileWrapper
from typing import List
import gradio as gr
from gradio.components import Component
def parse(param: json) -> dict:
with open(param) as file:
return json.load(file)
data = parse("./data.json")
codecs = parse("./codecs.json")
"""Video"""
containers = [j.get("name") for i in data["containers"]
for j in data["containers"][i]]
video_containers = [i.get("name") for i in data["containers"]["video"]]
video_codecs = [i.get("value") for i in data["codecs"]["video"]]
video_aspect_ratio = [i.get("name") for i in data["aspects"]]
video_scaling = [i.get("name") for i in data["scalings"]]
""" Audio """
audio_containers = [i.get("name") for i in data["containers"]["audio"]]
audio_codecs = [i.get("value") for i in data["codecs"]["audio"]]
audio_channels = [i.get("name") for i in data["audioChannels"]]
audio_quality = [i.get("name") for i in data["audioQualities"]]
audio_sample_rates = [i.get("name") for i in data["sampleRates"]]
""" Video & Audio Filters """
# deband=[i.get("name") for i in data["deband"]]
# deflicker=[i.get("name") for i in data["deflicker"]]
# deshake=[i.get("name") for i in data["deshake"]]
# dejudder=[i.get("name") for i in data["dejudder"]]
# denoise=[i.get("name") for i in data["denoise"]]
# deinterlace=[i.get("name") for i in data["deinterlace"]]
filters = ["deband", "deflicker", "deshake",
"dejudder", "denoise", "deinterlace"]
vf = [{vFilter: names} for vFilter in filters for names in [
[i for i in data[vFilter]]]]
presets = [i.get("name") for i in data["presets"]]
profiles = [i.get("name") for i in data["profiles"]]
speeds = [i.get("name") for i in data["speeds"]]
outputMap = parse("./mappings.json")
newoutputMap = parse("./new_mappings.json")
"""Output Mappings of commands to value
audioQuality -b:a 128k
"""
class CommandBuilder():
"""Takes a collection of gradio layout elements and attaches
a function to each component in the context
to build an array of ffmpeg commands"""
def __call__(self, *args, **kwds):
return [i.value for i in self._component]
def do(self, *inputs, **kwds):
for comp in self._component:
if comp.label is not None:
self.changefunc(comp, "", comp.value)
def reset(self):
self.outputDict = {"vf": {}, "af": {}}
self.commands=""
self.vf, self.af, self.extra = ([] for _ in range(3))
def __init__(self, *inputs: gr.Blocks) -> None:
"""
Parameters:
*inputs: A tuple of layout blocks containing components(Textbox,Button...).
"""
self.outputDict = {"vf": {}, "af": {}}
self.formatOutputDict = {"vf": {}, "af": {}}
# state=gr.Variable()
# state2=gr.Variable()
self._component: List[Component] = []
self.vf, self.af, self.extra = ([] for _ in range(3))
self.commands = ""
if inputs is None:
return None
for i in inputs:
self._component += self._get_component_instance(i)
for comp in self._component:
state = gr.Variable()
state2 = gr.Variable()
if comp.label is not None:
state.value = comp
state2.value = comp.label
comp.change(fn=self.changefunc, inputs=[
state, state2, comp], outputs=[])
def changefunc(self, input: gr.components.IOComponent, c_label="", newValue=""):
label, *_ = input.label.strip(": \n").lower().split(
) if type(input.label) != list else "".join(input.label).strip(": ").lower().split()
label += "".join(_).title()
key = newoutputMap.get(label)
lst_extra, vf, af = ([] for _ in range(3))
if newValue not in [None, "Source", "Auto", "", "None", "none", 0]:
self.setVf(label, newValue)
self.setAf(label, newValue)
self.setF(label, newValue)
for val in self.outputDict:
if val == "vf":
vf = self.outputDict.get(val).values()
vf = ",".join(list(vf))
elif val == "af":
af = self.outputDict.get(val).values()
af = ",".join(list(af))
pass
else:
lst_extra.extend([val, self.outputDict.get(val)])
else:
self.outputDict.pop(key, "No Key Exists")
self.outputDict["vf"].pop(label, "No Key Exists")
self.outputDict["af"].pop(label, "No Key Exists")
self.vf = f"-vf '{vf}'" if vf else ""
self.af = f"-af '{af}'" if af else ""
self.extra = " ".join(lst_extra)
self.commands = f"{self.vf} {self.af} {self.extra}"
print(self.vf, self.af, self.extra)
def setVf(self, label:str, newValue:"str| int"):
"""Sets Video filters
Args:
label : label of components
newValue : value of component
"""
if newoutputMap["vf"].get(label):
key = newoutputMap["vf"].get(label)
if label in ["deinterlace", "denoise"]:
value = "_".join(newValue.lower().split())
arg = key.get(value, None)
self.outputDict["vf"].update({label: arg})
else:
self.outputDict["vf"].update({key: key})
def setF(self, label, newValue):
""" Sets Extra filters
Args:
label : label of components
newValue : value of component
"""
if newoutputMap.get(label):
key = newoutputMap.get(label)
if label in ["video", "audio"]:
value=codecs.get(label).get(newValue,newValue)
print(value)
self.outputDict.update({key:value})
elif label in ["startTime", "stopTime"]:
self.outputDict.update({key: newValue})
else:
value = "".join([i.get("value", "None") for i in data.get(
label) if i.get("name", None) == newValue])
self.outputDict.update({key: value})
def setAf(self, label:str, newValue:"str|int"):
""" Sets Extra filters
Args:
label : label of components
newValue : value of component
"""
if newoutputMap["af"].get(label):
value = int(newValue)/100
arg = f"{label}={value}"
self.outputDict["af"].update({label: arg})
def update(self, Component: Component):
for comp in self._component:
comp.change(lambda: gr.update(
value=self.outputDict), [], [Component])
def _get_component_instance(self, inputs: gr.Blocks) -> List[Component]:
"""
returns components present in a layout block
Parameters:
inputs: layout block
"""
res=[]
for i in inputs.children:
# print(i,hasattr(i,"children"))
if not (hasattr(i,"children")):
# res.append(gr.components.get_component_instance(i,render=True))
res+=[gr.components.get_component_instance(i,render=True)]
# print(res)
elif hasattr(i,"children"):
res+=self._get_component_instance(i)
# print(res)
return res
# return [gr.components.get_component_instance(i, render=True) for i in inputs.children if not hasattr(i, "children")]
def setVideoFilters(self, options):
value = self.outputDict.get(options, "-")
filters = newoutputMap.get(options, None)
arg = ""
if options in ["deinterlace", "denoise"]:
value = "_".join(value.lower().split())
arg = filters.get(value, None)
# self.vf.append(arg)
self.outputDict["vf"].update({options: arg})
return True
if options in ["deband", "deflicker", "deshake", "dejudder"]:
arg = filters
self.outputDict["vf"].update({options: arg})
return True
return
def setAudioFilters(self, options):
value = self.outputDict.get(options, "-")
if options in ["acontrast"]:
value = int(value)/100
arg = f"{options}={value}"
self.outputDict["af"].update({options: arg})
return True
return
def setFormat(self, options):
value = self.outputDict.get(options, "-")
filters = newoutputMap.get(options, None)
if options in ["video", "audio"]:
value = "".join([i.get("value", "None") for i in data.get(
"codecs").get(options) if i.get("name", None) == value])
arg = f"{filters} {value}"
self.outputDict.update({options: arg})
return True
elif data.get(options) == None:
arg = f"{filters} {value}"
self.outputDict.update({options: arg})
return True
elif options != "clip":
value = "".join([i.get("value", "None") for i in data.get(
options) if i.get("name", None) == value])
arg = f"{filters} {value}"
self.outputDict.update({options: arg})
def build(self):
for i in self.outputDict:
if self.setVideoFilters(i):
continue
elif self.setAudioFilters(i):
continue
else:
self.setFormat(i)
lst_extra, vf, af = ([] for _ in range(3))
for val in self.outputDict:
if val == "vf":
vf = self.outputDict.get(val).values()
vf = ",".join(list(vf))
elif val == "af":
af = self.outputDict.get(val).values()
af = ",".join(list(af))
else:
lst_extra.append(self.outputDict.get(val))
# print(lst_extra, "temp x")
# if vf:self.vf=f"-vf '{vf}'"
# if af:self.af=f"-af '{af}'"
self.vf = f"-vf '{vf}'" if vf else ""
self.af = f"-af '{af}'" if af else ""
self.extra = " ".join(lst_extra)
self.commands = f"{self.vf} {self.af} {self.extra}"
def startfunc(self, input: gr.components.IOComponent, c_label="", newValue=""):
label, *_ = input.label.strip(": ").lower().split(
) if type(input.label) != list else "".join(input.label).strip(": ").lower().split()
label += "".join(_).title()
if newValue not in [None, "Source", "Auto", "", "None", 0]:
self.outputDict["vf"].update({label: newValue})
self.outputDict["af"].update({label: newValue})
self.outputDict.update({label: newValue})
else:
self.outputDict.pop(label, "No Key Exists")
self.outputDict["vf"].pop(label, "No Key Exists")
self.outputDict["af"].pop(label, "No Key Exists")
# self.formatOutputDict["vf"].pop(label, "Key is None or similar")
# self.formatOutputDict["af"].pop(label, "Key is None or similar")
# self.formatOutputDict.pop(label, "Key is None or similar")
print(self.outputDict)
self.build()
# def somefunc(input: gr.components.IOComponent, c_label=""):
# label = ""
# output = {}
# print(input, c_label)
# label, *_ = input.label.strip(": ").lower().split(
# ) if type(input.label) != list else "".join(input.label).strip(": ").lower().split()
# label += "".join(_).title()
# print(newoutputMap.get(label), label, c_label)
# if c_label not in [None, "Source", "Auto", ""]:
# print(input.value)
# output.update({label: c_label})
# else:
# output.pop(label, "No Key Exists")
# pprint(output)
# def mediaChange(option):
# no_=gr.update(visible=False)
# if option in video_containers:
# output=gr.update(visible=True)
# return [no_,output]
# elif option in audio_containers:
# output=gr.update(visible=True)
# return [output,no_]
# else:
# output=gr.update(visible=False)
# return [no_,no_]
def mediaChange(option:str,state)-> List[Component]:
"""
Allows playing the media in various options,
Video, Audio or File
Args:
option : Clicked buttons value
Returns:
List[Component]: list of toggled output components to display
"""
ops = {"Audio": gr.update(visible=True,value=state)}
ops2 = {"Video": gr.update(visible=True,value=state)}
ops3 = {"File": gr.update(visible=True,value=state, interactive=False)}
def chosen(x): return x.get(option, gr.update(visible=False))
return [chosen(ops), chosen(ops2), chosen(ops3)]
# def videoChange(value):
# print(value.name)
# if option in video_containers:
# output=gr.update(visible=True)
# return [no_,output]
# elif option in audio_containers:
# output=gr.update(visible=True)
# return [output,no_]
# else:
# output=gr.update(visible=False)
# return [no_,no_]
"""Helper Functions for Processing """
# def clear(*input):
# print(input, " clear_func")
# # for i in [inp for i in input for inp in i]:
# # print(i, hasattr(i,"cleared_value"),type(i))
# # a=default_clear(input_components)
# def clear_func(x): return [component.cleared_value if hasattr(
# component, "cleared_value") else None for component in x]
# print(clear_func(input))
# return clear_func(input)
def customBitrate(choice:int)-> Component:
"""
Toggle a component for custom Audio Quality
visible/none
Args:
choice : Custom audio quality
Returns:
Component: component toggle state
"""
if choice == "Custom":
return gr.update(visible=True)
else:
return gr.update(visible=False, value=0)
def supported_codecs(format: str)-> List[Component]:
"""
Changes video and audio components with appropriate
options according to passed format
Args:
format: passed media codec (x264,x265)
Returns:
List[Component]: list of components with updated choices
"""
if format:
format = format.lower()
video_lst = [val.get("value") for val in data["codecs"]["video"]
if val.get("supported") == None or format in val["supported"]]
audio_lst = [val.get("value") for val in data["codecs"]["audio"]
if val.get("supported") == None or format in val["supported"]]
return [gr.update(choices=video_lst), gr.update(choices=audio_lst)]
def supported_presets(format: str)-> Component:
"""
Changes presets component with appropriate
options according to passed format
Args:
format: passed media codec (x264,x265)
Returns:
Component: component with updated choice list (video codecs)
"""
if format:
format = format.lower()
video_lst = [val.get("name") for val in data["presets"]
if val.get("supported") == None or format in val["supported"]]
return gr.update(choices=video_lst)
def change_clipbox(choice:str)-> List[Component]:
"""
Toggles the clipping Textbox
Args:
choice: Enabled/None
Returns:
List[Component]: list of components with visible state of the clip components
"""
if choice == "Enabled":
return [gr.update(visible=True, value="00:00"), gr.update(visible=True, value="00:10")]
else:
return [gr.update(visible=False, value=""), gr.update(visible=False, value="")]
def updateOutput(file: _TemporaryFileWrapper)-> Component:
if file:
print(file.name)
return gr.update(value=file.name)
def get_component_instance(inputs: gr.Blocks)-> List[Component]:
""" returns only components
Args:
inputs: layout elements
Returns:
List[Component]: components
"""
return [gr.components.get_component_instance(i, render=True) for i in inputs.children]
class Clear(CommandBuilder):
""" Class for clearing components in layouts
"""
def __call__(self, *args, **kwds):
return self._component
def __str__(self):
return f"{self._component} __clear__ class"
def __repr__(self):
return self._component
def __init__(self, *input_component: gr.Blocks()) -> None:
"""
Parameters:
*input_component: A tuple of layout blocks containing components
"""
self._component = []
if input_component is not None:
for i in input_component:
# self._component += super()._get_component_instance(i)
self._component += self.__get_component_instance(i)
def __get_component_instance(self, inputs: gr.Blocks) -> list:
# print(inputs, " class instance")
res=[]
# print(*inputs.children)
for i in inputs.children:
# print(i,hasattr(i,"children"))
if not (hasattr(i,"children")):
# res.append(gr.components.get_component_instance(i,render=True))
res+=[gr.components.get_component_instance(i,render=True)]
# print(i)
elif hasattr(i,"children"):
# print(*i.children)
res+=self.__get_component_instance(i)
# res=[gr.components.get_component_instance(i, render=True) for i in inputs.children if not hasattr(i, "children")]
# print(res,"__ result")
# print(res)
return res
# return [gr.components.get_component_instance(i, render=True) for i in inputs.children if not hasattr(i, "children")]
def add(self, *args):
print(args, type(args))
if args is not None:
for i in args:
self._component += super().__get_component_instance(i)
return self._component
def clear(self, *args):
"""
Function to clear components from a Block in the class instance
"""
def clear_func(x): return [component.cleared_value if hasattr(
component, "cleared_value") else component.value for component in x]
return clear_func(self._component)
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