switching to high quality piper tts and added label translations

2026-01-29 23:48:19 +01:00
commit d80c619df9
3934 changed files with 1451600 additions and 0 deletions
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+"""Audio playback using ffplay."""
+
+import shutil
+import subprocess
+from typing import Optional
+
+
+class AudioPlayer:
+    """Plays raw audio using ffplay."""
+
+    def __init__(self, sample_rate: int) -> None:
+        """Initialzes audio player."""
+        self.sample_rate = sample_rate
+        self._proc: Optional[subprocess.Popen] = None
+
+    def __enter__(self):
+        """Starts ffplay subprocess and returns player."""
+        self._proc = subprocess.Popen(
+            [
+                "ffplay",
+                "-nodisp",
+                "-autoexit",
+                "-f",
+                "s16le",
+                "-ar",
+                str(self.sample_rate),
+                "-ac",
+                "1",
+                "-",
+            ],
+            stdin=subprocess.PIPE,
+            stdout=subprocess.DEVNULL,
+            stderr=subprocess.DEVNULL,
+        )
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        """Stops ffplay subprocess."""
+        if self._proc:
+            try:
+                if self._proc.stdin:
+                    self._proc.stdin.close()
+            except Exception:
+                pass
+            self._proc.wait(timeout=5)
+
+    def play(self, audio_bytes: bytes) -> None:
+        """Plays raw audio using ffplay."""
+        assert self._proc is not None
+        assert self._proc.stdin is not None
+
+        self._proc.stdin.write(audio_bytes)
+        self._proc.stdin.flush()
+
+    @staticmethod
+    def is_available() -> bool:
+        """Returns true if ffplay is available."""
+        return bool(shutil.which("ffplay"))