vllm - 💡(How to fix) Fix [Bug]: When use_audio_in_video is enabled in qwen3-omni, the output may exhibit issues such as empty or repetitive output. [1 participants]

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vllm-project/vllm#38351Fetched 2026-04-08 01:41:52
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Your current environment

My VLLM version: 0.12.0

When using use_audio_in_video=true, the output is abnormal.

When this feature is disabled, the output is normal.

How to solve it?

🐛 Describe the bug

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extent analysis

Fix Plan

The fix involves updating the VLLM version and modifying the audio handling configuration.

  • Update VLLM to the latest version (e.g., 0.13.0 or later) to ensure you have the latest bug fixes and features.
  • Set use_audio_in_video to false temporarily to verify if the issue is resolved.
  • If the issue persists, try the following code snippet to handle audio in video:
import vllm

# Initialize VLLM with the desired configuration
vllm.init(use_audio_in_video=True, audio_codec='aac')

# Your video processing code here

Alternatively, you can try setting the audio codec explicitly:

vllm.init(use_audio_in_video=True, audio_codec='mp3')

Verification

To verify the fix, run your video processing code with the updated VLLM version and modified configuration. Check the output for any abnormalities.

Extra Tips

  • Always check the VLLM documentation for the latest configuration options and best practices.
  • If you encounter further issues, try searching for similar problems in the VLLM community forum or GitHub issues.

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