pygame player different sample rates

.gitignore

@@ -1,3 +1,5 @@
 __pycache__
 Data
+.ipynb_checkpoints
+*.ipynb
 wav_converter.py

audio_player.py

@@ -1,5 +1,6 @@
 import os
 import sys
+from pydub import AudioSegment
 from pygame import mixer
 from PyQt5.QtCore import QTimer
 
@@ -10,9 +11,11 @@ class AudioPlayer(object):
     method and set_audio_player, which loads the current file. Everything else
     is managed internally.
     """
-    __time_step = 1000
+    __time_step = 1000 # Milliseconds.
+    # __sample_rate = 8000 # Sample frequency of all audio files.
+
     def __init__(self, play, pause, stop, volume, audio_progress):
-        mixer.init()
+        # mixer.init(frequency = self.__sample_rate)
         self.__paused = False
         self.__play = play
         self.__pause = pause
@@ -27,23 +30,26 @@ class AudioPlayer(object):
         self.__stop.clicked.connect(self.__stop_audio)
         self.__volume.valueChanged.connect(self.__set_volume)
 
+
     def __set_volume(self):
         mixer.music.set_volume(self.__volume.value() / self.__volume.maximum())
 
     def __reset_audio_widget(self):
+        if mixer.get_init():
+            if mixer.music.get_busy():
+                mixer.music.stop()
+                self.__timer.stop()
+            mixer.quit()
         self.__audio_progress.reset()
-        self.__volume.setValue(50)
         self.__enable_buttons(False, False, False)
         self.__paused = False
-        if mixer.music.get_busy():
-            mixer.music.stop()
-            self.__timer.stop()
 
     def __update_bar(self):
         pos = mixer.music.get_pos()
         if pos == -1:
             self.__timer.stop()
             self.__audio_progress.reset()
+            self.__enable_buttons(True, False, False)
         else:
             self.__audio_progress.setValue(pos)
 
@@ -54,13 +60,14 @@ class AudioPlayer(object):
 
     def set_audio_player(self, fname):
         self.__reset_audio_widget()
-        full_name = os.path.join('Data', 'Audio', fname + '.ogg')
+        full_name = os.path.join('Data', 'Audio_wav', fname + '.wav')
         if os.path.exists(full_name):
+            mixer.init(frequency = AudioSegment.from_ogg(full_name).frame_rate)
             self.__play.setEnabled(True)
             self.__audio_file = full_name
             self.__set_max_progress_bar()
             mixer.music.load(full_name)
-            mixer.music.set_volume(self.__volume.value())
+            self.__volume.setValue(50)
 
     def __play_audio(self):
         if not self.__paused:
@@ -73,6 +80,7 @@ class AudioPlayer(object):
 
     def __stop_audio(self):
         mixer.music.stop()
+        self.__audio_progress.reset()
         self.__timer.stop()
         self.__enable_buttons(True, False, False)
 

main.py

@@ -20,27 +20,28 @@ class MyApp(QMainWindow, Ui_MainWindow):
         super().__init__()
         self.setupUi(self)
         self.show()
+        self.db_version = None
         self.load_db()
         self.display_signals()
         self.search_bar.textChanged.connect(self.display_signals)
         self.result_list.itemSelectionChanged.connect(self.display_specs)
         self.play.setIcon(qta.icon('fa5.play-circle',
-            color = "#7a7a7a",
+            color = "#999999",
-            color_active = '#1d5eff'))
+            color_disabled = '#000000'))
         self.play.setIconSize(self.play.size())
         self.pause.setIcon(qta.icon('fa5.pause-circle',
-            color = "#7a7a7a",
+            color = "#999999",
-            color_active = '#1d5eff'))
+            color_disabled = '#000000'))
         self.pause.setIconSize(self.pause.size())
         self.stop.setIcon(qta.icon('fa5.stop-circle',
-            color = "#7a7a7a",
+            color = "#999999",
-            color_active = '#1d5eff'))
+            color_disabled = '#000000'))
         self.stop.setIconSize(self.stop.size())
         self.audio_widget = AudioPlayer(self.play, 
-                                         self.pause, 
+                                        self.pause, 
-                                         self.stop, 
+                                        self.stop, 
-                                         self.volume, 
+                                        self.volume, 
-                                         self.audio_progress)
+                                        self.audio_progress)
 
     def load_db(self):
         try:
@@ -61,6 +62,24 @@ class MyApp(QMainWindow, Ui_MainWindow):
             box.show()
         else:
             self.signal_names = db['signal_0']
+        
+        try:
+            with open(os.path.join('Data', 'verdb.ini'), 'r') as dbver:
+                self.db_version = int(dbver.read())
+        except (FileNotFoundError, ValueError):
+            box = QMessageBox(self)
+            box.setStyleSheet("""
+                color:#FFFFFF;
+            """)
+            box.setWindowTitle("No database version")
+            box.setText("Unable to detect database version.\n"
+                "Possible data curruption.\n"
+                "Go to Updates->Force Download.")
+            box.show()
+            self.setStatusTip(f"Database version: undefined.")
+        else:
+            self.setStatusTip(f"Database version: {self.db_version}.")
+
 
     def display_signals(self):
         self.result_list.clear()

main_window.ui

@@ -38,6 +38,76 @@ QProgressBar::chunk {
     /*background-color: #1d5eff;*/
 	background: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #1d5eff, stop:0.5 #4177ff, stop:1 #1d5eff);
 	border-radius: 3px;
+}
+
+QAbstractScrollArea::corner {
+    background: none;
+    border: none;
+}
+
+QScrollBar:vertical, QScrollBar:horizontal{
+	background-color:#343434;
+	border-radius: 5px;
+	/*background: none;*/
+}
+
+QScrollBar:vertical {
+	margin-top: 0px;
+	margin-bottom: 0px;
+	/*width: 10px;*/
+}
+QScrollBar:horizontal{
+	margin-left: 0px;
+	margin-right: 0px;
+	/*height: 10px;*/
+}
+
+QScrollBar::handle:vertical, QScrollBar::handle:horizontal{
+	border-radius: 5px;
+	border-color: none;
+	border-width: 1px; 
+ 	background-color: #959595; 
+}
+
+QScrollBar::add-line:vertical, QScrollBar::add-line:horizontal{
+	width: 0px; 
+	height: 0px;
+}
+
+QScrollBar::sub-line:vertical, QScrollBar::sub-line:horizontal{
+	width: 0px; 
+	height: 0px;
+}
+
+QScrollBar::add-page:vertical{
+	border-left: 1px solid gray;
+	background: transparent;
+	border-radius: 5px;
+/*
+	border: 1px#343434;
+	background-color: #343434;*/
+}
+QScrollBar::add-page:horizontal{
+	border-top: 1px solid gray;
+	background: transparent;
+	border-radius: 5px;
+/*
+	border: 1px#343434;
+	background-color: #343434;*/
+}
+QScrollBar::sub-page:vertical{
+	border-left: 1px solid gray;
+	background: transparent;
+	border-radius: 5px;
+/*	border: 1px #343434;
+	background-color: #343434;*/
+}
+QScrollBar::sub-page:horizontal{
+	border-top: 1px solid gray;
+	background: transparent;
+	border-radius: 5px;
+/*	border: 1px #343434;
+	background-color: #343434;*/
 }</string>
   </property>
   <widget class="QWidget" name="centralwidget">
@@ -94,10 +164,11 @@ QProgressBar::chunk {
            <string/>
           </property>
           <property name="statusTip">
-           <string>Search a signal name.</string>
+           <string/>
           </property>
           <property name="styleSheet">
-           <string notr="true">color: rgb(255, 255, 255);
+           <string notr="true">background-color: #343434;
+color: rgb(255, 255, 255);
 border: 1px solid gray;
 border-radius: 5px;</string>
           </property>
@@ -147,9 +218,10 @@ border-radius: 5px;</string>
           </property>
           <property name="styleSheet">
            <string notr="true">QListWidget {
+	background-color:rgb(52,52,52);
 	color: rgb(255, 255, 255);
 	border: 1px solid gray;
-	border-radius: 10px;
+	border-radius: 8px;
 }
 </string>
           </property>
@@ -159,6 +231,12 @@ border-radius: 5px;</string>
           <property name="horizontalScrollBarPolicy">
            <enum>Qt::ScrollBarAsNeeded</enum>
           </property>
+          <property name="autoScrollMargin">
+           <number>16</number>
+          </property>
+          <property name="showDropIndicator" stdset="0">
+           <bool>false</bool>
+          </property>
          </widget>
         </item>
        </layout>
@@ -421,6 +499,9 @@ QSlider::handle:horizontal {
                  <property name="maximum">
                   <number>100</number>
                  </property>
+                 <property name="singleStep">
+                  <number>10</number>
+                 </property>
                  <property name="value">
                   <number>50</number>
                  </property>