added FFmpeg Settings tab and Tools tab and FFprobe tool

src/video2x_gui.py

@@ -4,14 +4,16 @@
 Creator: Video2X GUI
 Author: K4YT3X
 Date Created: May 5, 2020
-Last Modified: May 11, 2020
+Last Modified: May 12, 2020
 """
 
 # local imports
 from upscaler import Upscaler
+from wrappers.ffmpeg import Ffmpeg
 
 # built-in imports
 import contextlib
+import json
 import os
 import pathlib
 import sys
@@ -342,7 +344,14 @@ class Video2XMainWindow(QMainWindow):
         self.anime4kcpp_post_processing_check_box = self.findChild(QCheckBox, 'anime4kCppPostProcessingCheckBox')
         self.anime4kcpp_gpu_mode_check_box = self.findChild(QCheckBox, 'anime4kCppGpuModeCheckBox')
 
-        # load configurations
+        # FFmpeg settings
+        pass
+
+        # Tools
+        self.ffprobe_plain_text_edit = self.findChild(QPlainTextEdit, 'ffprobePlainTextEdit')
+        self.ffprobe_plain_text_edit.dropEvent = self.show_ffprobe_output
+
+        # load configurations after GUI initialization
         self.load_configurations()
 
     def dragEnterEvent(self, event):
@@ -364,6 +373,15 @@ class Video2XMainWindow(QMainWindow):
         line_edit.dragEnterEvent = self.dragEnterEvent
         line_edit.dropEvent = lambda event: line_edit.setText(str(pathlib.Path(event.mimeData().urls()[0].toLocalFile()).absolute()))
 
+    def show_ffprobe_output(self, event):
+        input_paths = [pathlib.Path(u.toLocalFile()) for u in event.mimeData().urls()]
+        if not input_paths[0].is_file():
+            return
+
+        ffmpeg_object = Ffmpeg(self.ffmpeg_settings)
+        file_info_json = ffmpeg_object.probe_file_info(input_paths[0])
+        self.ffprobe_plain_text_edit.setPlainText(json.dumps(file_info_json, indent=2))
+
     @staticmethod
     def read_config(config_file: pathlib.Path) -> dict:
         """ read video2x configurations from config file

src/video2x_gui.ui

@@ -33,7 +33,7 @@
     <item>
      <widget class="QTabWidget" name="tabWidget">
       <property name="currentIndex">
-       <number>0</number>
+       <number>3</number>
       </property>
       <widget class="QWidget" name="mainTab">
        <attribute name="title">
@@ -1519,6 +1519,35 @@
         </item>
        </layout>
       </widget>
+      <widget class="QWidget" name="ffmpegSettingsTab">
+       <attribute name="title">
+        <string>FFmpeg Settings</string>
+       </attribute>
+      </widget>
+      <widget class="QWidget" name="toolsTab">
+       <attribute name="title">
+        <string>Tools</string>
+       </attribute>
+       <layout class="QVBoxLayout" name="verticalLayout_15">
+        <item>
+         <widget class="QTabWidget" name="toolsTabWidget">
+          <property name="currentIndex">
+           <number>0</number>
+          </property>
+          <widget class="QWidget" name="toolsFFprobeTab">
+           <attribute name="title">
+            <string>FFprobe</string>
+           </attribute>
+           <layout class="QVBoxLayout" name="verticalLayout_16">
+            <item>
+             <widget class="QPlainTextEdit" name="ffprobePlainTextEdit"/>
+            </item>
+           </layout>
+          </widget>
+         </widget>
+        </item>
+       </layout>
+      </widget>
      </widget>
     </item>
     <item>