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import os
import subprocess
import threading
from tkinter import *
from tkinter import filedialog
from tkinter import ttk
from options import FFmpegOptions
class OutputPanel(ttk.LabelFrame):
def __init__(self, *args, get_ffmpeg_args=lambda: FFmpegOptions([], [], []), get_frame_count=lambda: 0, **kw):
super(OutputPanel, self).__init__(*args, text='Output', **kw)
self.update_listeners = []
self.input_path = None
self.get_ffmpeg_args = get_ffmpeg_args
self.get_frame_count = get_frame_count
ttk.Label(self, text="File").grid(column=0, row=0, sticky=W)
self.file_text = StringVar(self)
ttk.Entry(self, textvariable=self.file_text, width=30).grid(column=1, row=0, columnspan=2, sticky=(E, W))
self.columnconfigure(1, weight=1)
self.columnconfigure(2, weight=1)
self.file_text.trace_add("write", self.handle_file_changed)
ttk.Button(self, text="Browse", command=self.handle_file_browse_pressed).grid(column=3, row=0, sticky=E)
self.silence = BooleanVar(self)
ttk.Checkbutton(self, text="Silence", variable=self.silence, onvalue=True, offvalue=False
).grid(column=0, row=1, columnspan=2, sticky=W)
self.deepfry = BooleanVar(self)
ttk.Checkbutton(self, text="Compress beyond recognition", variable=self.deepfry, onvalue=True, offvalue=False
).grid(column=2, row=1, columnspan=2, sticky=W)
run_button = ttk.Button(self, text="Run", command=self.handle_run_pressed)
run_button.grid(column=0, row=2, sticky=(E, W))
run_preview_button = ttk.Button(self, text="Run & Preview", command=self.handle_run_preview_pressed)
run_preview_button.grid(column=1, row=2, columnspan=2, sticky=(E, W))
run_quit_button = ttk.Button(self, text="Run & Quit", command=self.handle_run_quit_pressed)
run_quit_button.grid(column=3, row=2, sticky=(E, W))
self.progress = ttk.Progressbar(self, orient=HORIZONTAL, mode='determinate')
self.progress.grid(column=0, row=3, columnspan=4, sticky=(N, S, E, W))
self.logs = StringVar(self)
logs_widget = ttk.Label(self, textvariable=self.logs, font="TkFixedFont",
justify='left')
logs_widget.grid(column=0, row=4, columnspan=4, sticky=(N, S, E, W))
self.rowconfigure(4, weight=1)
for child in self.winfo_children():
child.grid_configure(padx=2, pady=2)
self.enable(False)
def enable(self, enabled, run_enabled=None):
if run_enabled is None:
run_enabled = enabled
state = 'disabled'
if enabled:
state = '!' + state
run_state = 'disabled'
if run_enabled:
run_state = '!' + run_state
self.state([state])
for child in self.winfo_children():
if 'text' in child.configure() and child['text'].startswith('Run'):
child.state([run_state])
else:
child.state([state])
def handle_file_changed(self, *args):
path = self.file_text.get()
(folder, name) = os.path.split(path)
try:
os.stat(folder)
self.enable(True)
except FileNotFoundError:
self.enable(True, False)
def handle_file_browse_pressed(self, *args):
filename = filedialog.asksaveasfilename(parent=self)
if filename != '':
self.file_text.set(filename)
def handle_run_pressed(self, *args, callback=lambda _: None):
self.logs.set('')
self.progress['value'] = 0
self.enable(False)
real_args = self.get_ffmpeg_args()
self.progress['maximum'] = float(self.get_frame_count())
print(self.get_frame_count())
input_args = real_args.input
output_args = real_args.output_with_vf()
output_path = self.file_text.get()
(folder, name) = os.path.split(output_path)
(name, ext) = os.path.splitext(name)
if self.silence.get():
output_args += ['-an']
if ext == '.gif':
filter_before = '[0:v] '
filter_after = 'split [a][b];[a] palettegen [p];[b][p] paletteuse'
filter_during = ''
if '-vf' in output_args:
for i in range(len(output_args) - 1):
[a, b] = output_args[i:i + 2]
if a == '-vf':
filter_during = b + ','
output_args[i:i + 2] = []
break
output_args += ['-filter_complex', filter_before + filter_during + filter_after]
if self.deepfry.get():
if ext == '.mp3':
output_args += ['-q:a', '9']
else:
output_args += ['-q:a', '0.1', '-crf', '51']
args = ['ffmpeg', '-hide_banner', '-v', 'warning', '-stats', '-y'] + input_args + ['-i',
self.input_path] + output_args + [
output_path]
print(args)
def run():
# noinspection PyArgumentList
proc = subprocess.Popen(args, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
text=True, creationflags=subprocess.CREATE_NO_WINDOW)
while proc.poll() is None:
out_data = proc.stdout.readline()
if out_data != '':
progress_data = re.match(r'^frame=\s*(\d+)', out_data)
print(out_data, end='')
if progress_data is not None:
self.progress['value'] = float(progress_data.group(1))
else:
self.logs.set(self.logs.get() + out_data)
self.progress['value'] = self.progress['maximum']
self.enable(True)
callback(proc.returncode)
threading.Thread(target=run).start()
def handle_run_preview_pressed(self, *args):
def preview(code):
if code == 0:
out_file = self.file_text.get()
subprocess.Popen(['ffplay', '-autoexit', out_file], creationflags=subprocess.CREATE_NO_WINDOW)
self.handle_run_pressed(*args, callback=preview)
def handle_run_quit_pressed(self, *args):
def quit(code):
if code == 0:
toplevel = self.winfo_toplevel()
toplevel.destroy()
self.handle_run_pressed(*args, callback=quit)
def set_input_path(self, path, data):
if data is None:
self.enable(False)
self.input_path = None
else:
self.handle_file_changed()
self.input_path = path
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