pull code out into a python module

1 files changed, 0 insertions, 89 deletions

diff --git a/preview.py b/preview.py
deleted file mode 100644
index f22c6ba..0000000
--- a/preview.py
+++ /dev/null
@@ -1,89 +0,0 @@
-import subprocess
-import tempfile
-import threading
-from tkinter import *
-from tkinter import ttk
-
-from options import FFmpegOptions
-
-
-class PreviewPanel(ttk.LabelFrame):
-    def __init__(self, *args, get_ffmpeg_args=lambda: FFmpegOptions([], []), get_frame_count=lambda: 0, **kw):
-        super(PreviewPanel, self).__init__(*args, text='Preview', **kw)
-        self.input_path = None
-        self.get_ffmpeg_args = get_ffmpeg_args
-        self.get_frame_count = get_frame_count
-
-        def button(text, command, column):
-            ttk.Button(self, text=text, command=command).grid(column=column, row=0, sticky=(N, W, S, E))
-            self.columnconfigure(column, weight=1)
-
-        button("Preview Start", self.preview_start, 0)
-        button("Preview Middle", self.preview_middle, 1)
-        button("Preview End", self.preview_end, 2)
-
-        self.image = None
-        self.image_label = ttk.Label(self, anchor='center')
-        self.image_label.grid(column=0, row=1, columnspan=3, sticky=(N, W, S, E))
-        self.rowconfigure(1, weight=1)
-
-        self.enable(False)
-
-    def preview_at(self, offset):
-        offset = int(offset)
-        self.enable(False)
-        real_args = self.get_ffmpeg_args()
-        input_args = real_args.input
-        width = self.image_label.winfo_width()
-        height = self.image_label.winfo_height()
-        real_args.vf += [
-            rf'select=eq(n\,{offset})',
-            f'scale=w={width}:h={height}:force_original_aspect_ratio=decrease'
-        ]
-        real_args.output += ['-frames:v', '1']
-        output_args = real_args.output_with_vf()
-
-        def run():
-            _, output_path = tempfile.mkstemp(suffix='.png')
-            args = ['ffmpeg', '-hide_banner', '-v', 'warning', '-y'] + input_args + \
-                   ['-i', self.input_path] + output_args + [output_path]
-            print(args)
-            # 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 != '':
-                    print(out_data, end='')
-            self.enable(True)
-            self.image = PhotoImage(file=output_path)
-            self.image_label['image'] = self.image
-
-        threading.Thread(target=run).start()
-
-    def preview_start(self, *args):
-        self.preview_at(0)
-
-    def preview_middle(self, *args):
-        self.preview_at(self.get_frame_count() / 2)
-
-    def preview_end(self, *args):
-        self.preview_at(self.get_frame_count() - 1)
-
-    def enable(self, enabled):
-        state = 'disabled'
-        if enabled:
-            state = '!' + state
-        self.state([state])
-        for child in self.winfo_children():
-            try:
-                child.state([state])
-            except AttributeError:
-                pass
-
-    def set_input_path(self, path, data):
-        self.enable(data is not None)
-        if data is None:
-            self.input_path = None
-        else:
-            self.input_path = path