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resample: avoid calculating GCD in rate updates

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We don't actually need to calculate the GCD for each resampler rate
update. The GCD is only used to scale the in/out rates when using the
full resampler and this we can cache and reuse when we did the setup.

The interpolating resampler can work perfectly fine with a GCD of 1 and
so we can just assume that.
This commit is contained in:
Wim Taymans 2025-07-23 12:23:20 +02:00
parent f31504fdc9
commit aef595b5bf
2 changed files with 17 additions and 18 deletions
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1
spa/plugins/audioconvert/resample-native-impl.h
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@ -34,6 +34,7 @@ struct native_data {
uint32_t frac;
uint32_t filter_stride;
uint32_t filter_stride_os;
uint32_t gcd;
uint32_t hist;
float **history;
resample_func_t func;