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Fix position increment in STFT helper

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This was what was causing the spectral leakage. It already sounded like
parts of the buffer were being cleared too early or old parts were being
reused, but I guess that makes sense now...
This commit is contained in:
Robbert van der Helm 2022-03-06 18:45:34 +01:00
parent 82e74a7c53
commit 7c8da39159
1 changed files with 3 additions and 4 deletions
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7
src/util/stft.rs
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@ -205,6 +205,9 @@ impl<const NUM_SIDECHAIN_INPUTS: usize> StftHelper<NUM_SIDECHAIN_INPUTS> {
}
}
already_processed_samples += samples_to_process;
self.current_pos = (self.current_pos + samples_to_process) % block_size;
// At this point we either have `already_processed_samples == main_buffer_len`, or
// `self.current_pos % window_interval == 0`. If it's the latter, then we can process a
// new block.
@ -253,10 +256,6 @@ impl<const NUM_SIDECHAIN_INPUTS: usize> StftHelper<NUM_SIDECHAIN_INPUTS> {
);
}
}
// Do this after handling the block or else we'll copy the wrong samples.
already_processed_samples += samples_to_process;
self.current_pos = (self.current_pos + samples_to_process) % block_size;
}
}
}