[Voxtral] Streaming example

[patrickvonplaten]

This PR adds a test for the new streaming generator API: #28973 which works nicely!

[mergify]

Documentation preview: https://vllm--33042.org.readthedocs.build/en/33042/

[gemini-code-assist]

Code Review

This pull request introduces a new example for real-time audio streaming with Voxtral. While it's a good starting point, there are a few critical issues that need addressing. The example contains unreachable code with a debugging trace, uses a hardcoded file path making it non-portable, and employs a forceful process cleanup method that is not robust. I've provided specific comments and suggestions to resolve these issues.

[mergify]

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[njhill]

Looks great!

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[patrickvonplaten]

audio input takes care of look ahead and look back

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[patrickvonplaten]

skip for now

[patrickvonplaten]

skip for now - important to make sure async generator works as expected

[patrickvonplaten]

small diff because of log-mel

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[patrickvonplaten]

@njhill @ywang96 I think this PR should be good for merge. mistral-common is now finalized for streaming and a 1.9.0 is pushed to pypi. The tests added to this PR ensure that all the streaming functionality behaves as expeceted.

As soon as this PR is in, we can also rebase: #33042

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[mgoin]

Looks reasonable to me, will see if the update breaks any tests