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import os
import subprocess
import threading
import wx
class OutputPanel(wx.Panel):
def __init__(self, *args, get_ffmpeg_args=lambda: [], **kw):
super(OutputPanel, self).__init__(*args, **kw)
self.update_listeners = []
self.input_path = None
self.get_ffmpeg_args = get_ffmpeg_args
root_sizer = wx.StaticBoxSizer(wx.VERTICAL, self, label="Output")
self.SetSizer(root_sizer)
file_panel = wx.Panel(self)
root_sizer.Add(file_panel, flag=wx.EXPAND, border=5)
file_sizer = wx.BoxSizer(wx.HORIZONTAL)
file_panel.SetSizer(file_sizer)
file_sizer.Add(wx.StaticText(file_panel, label="File"), flag=wx.EXPAND, border=5)
self.file_text = wx.TextCtrl(file_panel)
self.file_text.Bind(wx.EVT_TEXT, self.handle_file_changed)
file_sizer.Add(self.file_text, proportion=1, flag=wx.EXPAND, border=5)
self.file_browse_button = wx.Button(file_panel, label="Browse")
self.file_browse_button.Bind(wx.EVT_BUTTON, self.handle_file_browse_pressed)
file_sizer.Add(self.file_browse_button, flag=wx.EXPAND, border=5)
options_panel = wx.Panel(self)
root_sizer.Add(options_panel, flag=wx.EXPAND, border=5)
options_sizer = wx.BoxSizer(wx.HORIZONTAL)
options_panel.SetSizer(options_sizer)
self.silence = wx.CheckBox(options_panel, label="Silence")
options_sizer.Add(self.silence, proportion=1, flag=wx.EXPAND, border=5)
self.deepfry = wx.CheckBox(options_panel, label="Compress beyond recognition")
options_sizer.Add(self.deepfry, proportion=1, flag=wx.EXPAND, border=5)
self.run_panel = wx.Panel(self)
root_sizer.Add(self.run_panel, flag=wx.EXPAND, border=5)
run_sizer = wx.BoxSizer(wx.HORIZONTAL)
self.run_panel.SetSizer(run_sizer)
run_button = wx.Button(self.run_panel, label="Run")
run_button.Bind(wx.EVT_BUTTON, self.handle_run_pressed)
run_sizer.Add(run_button, proportion=1, flag=wx.EXPAND, border=5)
run_preview_button = wx.Button(self.run_panel, label="Run && Preview")
run_preview_button.Bind(wx.EVT_BUTTON, self.handle_run_preview_pressed)
run_sizer.Add(run_preview_button, proportion=1, flag=wx.EXPAND, border=5)
run_quit_button = wx.Button(self.run_panel, label="Run && Quit")
run_quit_button.Bind(wx.EVT_BUTTON, self.handle_run_quit_pressed)
run_sizer.Add(run_quit_button, proportion=1, flag=wx.EXPAND, border=5)
self.run_panel.Disable()
self.logs = wx.TextCtrl(self, style=wx.TE_MULTILINE | wx.TE_READONLY)
root_sizer.Add(self.logs, proportion=1, flag=wx.EXPAND, border=5)
self.Disable()
def handle_file_changed(self, _):
path = self.file_text.GetValue()
(folder, name) = os.path.split(path)
try:
os.stat(folder)
self.run_panel.Enable()
except FileNotFoundError:
self.run_panel.Disable()
def handle_file_browse_pressed(self, _):
dialog = wx.FileDialog(self, style=wx.FD_SAVE | wx.FD_OVERWRITE_PROMPT)
if dialog.ShowModal() == wx.ID_OK:
self.file_text.SetValue(dialog.GetPath())
def handle_run_pressed(self, _, callback=lambda _: None):
self.logs.Clear()
self.run_panel.Disable()
real_args = self.get_ffmpeg_args()
output_path = self.file_text.GetValue()
(folder, name) = os.path.split(output_path)
(name, ext) = os.path.splitext(name)
if self.silence.GetValue():
real_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 real_args:
for i in range(len(real_args) - 1):
[a, b] = real_args[i:i + 2]
if a == '-vf':
filter_during = b + ','
real_args[i:i + 2] = []
break
real_args += ['-filter_complex', filter_before + filter_during + filter_after]
if self.deepfry.GetValue():
if ext == '.mp3':
real_args += ['-q:a', '9']
else:
real_args += ['-q:a', '0.1', '-crf', '51']
args = ['ffmpeg', '-hide_banner', '-y', '-i', self.input_path] + real_args + [output_path]
print(args)
def run():
# noinspection PyArgumentList
proc = subprocess.Popen(args, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
text=True)
while proc.poll() is None:
out_data = proc.stdout.readline()
if out_data != '':
wx.CallAfter(lambda: self.add_log(out_data))
wx.CallAfter(lambda: self.run_panel.Enable())
wx.CallAfter(lambda: callback(proc.returncode))
threading.Thread(target=run).start()
def handle_run_preview_pressed(self, _event):
def preview(code):
if code == 0:
out_file = self.file_text.GetValue()
subprocess.Popen(['ffplay', '-autoexit', out_file])
self.handle_run_pressed(_event, callback=preview)
def handle_run_quit_pressed(self, _event):
def quit(code):
if code == 0:
parent = self.GetTopLevelParent()
parent.Close(True)
self.handle_run_pressed(_event, callback=quit)
def set_input_path(self, path, data):
if data is None:
self.input_path = None
self.Disable()
else:
self.input_path = path
self.Enable()
def add_log(self, data):
self.logs.AppendText(data)
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