Added audio input and example selection

app.py

@@ -1,8 +1,30 @@
+import os
 import streamlit as st
 
+EXAMPLE_PATH = []
+for f in os.listdir('data/'):
+    EXAMPLE_PATH.append(f)
+
+st.sidebar.image('img/love_emoji_128.png')
 st.sidebar.title('EMOVoice')
 st.sidebar.write('Welcome to EMOVoice, a tool for Speech Emotion Recognition based on the Wav2Vec2 model.')
 
 st.title('EMOVoice')
-
 st.write("This is a work in progress, stay tuned!")
+
+st.sidebar.subheader('Model input')
+input_mode = st.sidebar.radio('Select your input mode:', ['Upload audio', 'Select example'])
+
+file = None
+
+if input_mode == 'Upload audio':
+    file = st.sidebar.file_uploader("Choose a file", type=['mp3', 'mp4', 'wav', 'flac'])
+elif input_mode == 'Select example':
+    example_selected = st.sidebar.selectbox('Choose an audio example', EXAMPLE_PATH)
+    file = open('data/' + example_selected, 'rb')
+
+if file is not None:
+    st.write('Audio added!')
+    audio_bytes = file.read()
+    st.audio(audio_bytes)
+    file.close()