Update gradio version

from 3.47.1 to 4.43
handle FFMPEG errors with user feedback

app.py

@@ -199,7 +199,7 @@ interface = gr.Interface(fn=trim_video, inputs=[input_file, output_format, start
 
 # gr components for video converter
 input_file_c = gr.File(label="Select video file")
-output_format_c = gr.Dropdown(choices=["mkv", "MOV", "mp4", "wav"], label="Select output format", value="wav",)
+output_format_c = gr.Dropdown(choices=["mkv", "MOV", "mp4", "wav"], label="Select output format", value="mp4",)
 output_file_c = gr.File(label="Download converted file")
 
 interface_c = gr.Interface(fn=convert_video, inputs=[input_file_c, output_format_c], outputs=output_file_c, title="Video Converter", allow_flagging="never",

requirements.txt

@@ -1,4 +1,4 @@
-gradio==3.47.1
+gradio==4.43.0
 moviepy==1.0.3
 pandas==1.1.3
 xlrd==1.2.0

utils.py

@@ -257,6 +257,7 @@ def convert_and_trim_video(media_in, media_out, start=None, end=None):
         process = subprocess.run(command, capture_output=True, text=True)
         if process.returncode != 0:
             logging.info(f"FFMPEG error: {process.stderr}")
+            gr.Error(f"FFMPEG error: {process.stderr}")
         else:
             logging.info(process.stdout)
         return media_out