Update app.py

app.py

@@ -7,7 +7,7 @@ import shutil
 import gradio as gr
 
 accel = 'auto'
-video_extra = ['-crf', '63', '-c:v', 'libx264', '-preset', 'ultrafast', '-tune', 'zerolatency']
+video_base_opts = ['-crf', '63', '-c:v', 'libx264', '-tune', 'zerolatency']
 
 UPLOAD_FOLDER = 'uploads'
 CONVERTED_FOLDER = 'converted'
@@ -25,14 +25,16 @@ async def run_subprocess(cmd):
 
 async def convert_video_task(input_path, downscale, faster, use_mp3):
     if use_mp3:
-        # Directly compress audio to MP3 with video untouched or skipped
+        # Only extract MP3 audio, no splitting
         output_path = os.path.join(CONVERTED_FOLDER, f"{uuid.uuid4()}.mp3")
-        ffmpeg_cmd = ['ffmpeg', '-y', '-i', input_path, '-vn',
-                      '-c:a', 'libmp3lame', '-b:a', '8k', '-ar', '24000', '-ac', '1', output_path]
+        ffmpeg_cmd = [
+            'ffmpeg', '-y', '-i', input_path, '-vn',
+            '-c:a', 'libmp3lame', '-b:a', '8k', '-ar', '24000', '-ac', '1', output_path
+        ]
         await run_subprocess(ffmpeg_cmd)
-        return output_path, None  # No video output in this case
+        return output_path, None
 
-    # Non-MP3 path: split streams
+    # Non-MP3 path: split audio and video
     audio_wav = os.path.join(CONVERTED_FOLDER, f"{uuid.uuid4()}.wav")
     audio_output = os.path.join(CONVERTED_FOLDER, f"{uuid.uuid4()}.m4a")
     video_output = os.path.join(CONVERTED_FOLDER, f"{uuid.uuid4()}.mp4")
@@ -42,14 +44,17 @@ async def convert_video_task(input_path, downscale, faster, use_mp3):
         'ffmpeg', '-y', '-i', input_path, '-ac', '1', '-ar', '8000', audio_wav
     ])
 
-    # Compress with fdkaac
+    # Compress WAV → AAC with local fdkaac
     await run_subprocess([
-        'fdkaac', '-b', '1k', '-C', '-f', '2', '-G', '1', '-w', '8000',
+        './fdkaac', '-b', '1k', '-C', '-f', '2', '-G', '1', '-w', '8000',
         '-o', audio_output, audio_wav
     ])
 
-    # Video compression
-    video_cmd = ['ffmpeg', '-y', '-hwaccel', accel, '-i', input_path, *video_extra, '-an', video_output]
+    # Compress video with extreme low quality
+    video_cmd = [
+        'ffmpeg', '-y', '-hwaccel', accel, '-i', input_path,
+        *video_base_opts, '-an', video_output
+    ]
     if faster:
         video_cmd.extend(['-preset', 'ultrafast'])
     await run_subprocess(video_cmd)
@@ -98,9 +103,9 @@ with gr.Blocks() as demo:
 
     with gr.Row():
         downscale = gr.Checkbox(label="Downscale Video (144p)", value=False)
-        faster = gr.Checkbox(label="Faster Conversion", value=False)
+        faster = gr.Checkbox(label="Faster Conversion (ultrafast preset)", value=False)
     with gr.Row():
-        use_mp3 = gr.Checkbox(label="Use MP3 (skips video compression)", value=False)
+        use_mp3 = gr.Checkbox(label="Use MP3 (skip video compression)", value=False)
         audio_only = gr.Checkbox(label="Only Audio", value=False)
 
     convert_button = gr.Button("Convert")