Failed to open output "-" (Invalid argument).

[liuliujiang]

🐛 Describe the bug

s = StreamWriter(dst="-", format="audiotoolbox")
s.add_audio_stream(sample_rate, num_channels, format="s16")

---

RuntimeError Traceback (most recent call last)
Cell In[5], line 2
1 # Configure StreamWriter to write to speaker device
----> 2 s = StreamWriter(dst="-", format="audiotoolbox")
3 s.add_audio_stream(sample_rate, num_channels, format="s16")

File E:\ProgramData\anaconda3\Lib\site-packages\torio\io_streaming_media_encoder.py:199, in StreamingMediaEncoder.init(self, dst, format, buffer_size)
197 self._s = ffmpeg_ext.StreamingMediaEncoderFileObj(dst, format, buffer_size)
198 else:
--> 199 self._s = ffmpeg_ext.StreamingMediaEncoder(str(dst), format)
200 self._is_open = False

RuntimeError: Failed to open output "-" (Invalid argument).

Versions

2.3.0+cu121