feat: mvp

dubbing/steps/extract_audio.py

@@ -0,0 +1,38 @@
+import subprocess
+from rich.console import Console
+from dubbing.steps.base import PipelineStep
+
+console = Console()
+
+
+class ExtractAudioStep(PipelineStep):
+    name = "Extract audio"
+
+    def is_cached(self) -> bool:
+        return self.paths.source_audio.exists()
+
+    def clean(self) -> None:
+        if self.paths.source_audio.exists():
+            self.paths.source_audio.unlink()
+
+    async def run(self) -> None:
+        console.print("[cyan]Extracting audio from video...[/]")
+
+        subprocess.run(
+            [
+                "ffmpeg",
+                "-y",
+                "-i",
+                str(self.paths.source_video),
+                "-vn",
+                "-acodec",
+                "libmp3lame",
+                "-q:a",
+                "2",
+                str(self.paths.source_audio),
+            ],
+            capture_output=True,
+            check=True,
+        )
+
+        console.print("[green]✓ Audio extracted[/]")