Fix: Set dtype to 'float32' in sf.read to prevent PyTorch type mismatch#1
Fix: Set dtype to 'float32' in sf.read to prevent PyTorch type mismatch#1Miyoko076 wants to merge 1 commit intojhj0517:mainfrom
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Summary of ChangesHello, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed! This pull request addresses a critical compatibility issue arising from the default data type returned by Highlights
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Code Review
This pull request addresses a RuntimeError in PyTorch-based pipelines by ensuring that soundfile.read returns audio data with float32 dtype, which is consistent with other audio reading libraries used in the function. The change is correct and well-justified. My main feedback is to add a unit test to verify this fix and prevent future regressions, as the corresponding test file is currently empty.
| if signal is None: | ||
| try: | ||
| signal, sampling_rate = sf.read(path) | ||
| signal, sampling_rate = sf.read(path, dtype='float32') |
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This change correctly addresses the data type mismatch. To ensure this fix is robust and to prevent future regressions, it would be beneficial to add a unit test. The test file tests/utils/test_fastio.py is currently empty. A test case could be added there to specifically verify that when soundfile.read is used as a fallback, the resulting audio data has the float32 dtype.
Description
This PR explicitly sets
dtype='float32'when falling back tosoundfile.read()inutils/fastio.py.Why is this needed?
By default,
soundfile.read()returns afloat64(Double) array. Whenultimatevocalremover_apiis used as a dependency in PyTorch-based pipelines (like Whisper-WebUI), this default behavior causes a crash (RuntimeError: expected scalar type Double but found Float) during downstream operations such as audio resampling.Explicitly requesting
float32fromsoundfilefixes this crash and avoids unnecessary memory overhead from allocating a Double array.Related Issue
RuntimeError: expected scalar type Double but found Floatduring BGM Separation (caused byultimatevocalremover_api) Whisper-WebUI#634