AudioFFTBase: window on stride

pschatzmann · pschatzmann · commit 5c1644ff4824 · 2025-02-19T19:28:59.000+01:00
diff --git a/src/AudioTools/AudioLibs/AudioFFT.h b/src/AudioTools/AudioLibs/AudioFFT.h
@@ -207,11 +207,11 @@ class AudioFFTBase : public AudioStream {
     if (!p_driver->begin(cfg.length)) {
       LOGE("Not enough memory");
     }
+    int step_size = cfg.stride > 0 ? cfg.stride : cfg.length;
     if (cfg.window_function != nullptr) {
-      cfg.window_function->begin(length());
+      cfg.window_function->begin(step_size);
     }
 
-    int step_size = cfg.stride > 0 ? cfg.stride : cfg.length;
     bool is_valid_rxtx = false;
     if (cfg.rxtx_mode == TX_MODE || cfg.rxtx_mode == RXTX_MODE) {
       if (cfg.stride > 0 && cfg.stride < cfg.length) {

Original file line number	Diff line number	Diff line change
`@@ -207,11 +207,11 @@ class AudioFFTBase : public AudioStream {`
`207`	`207`	`if (!p_driver->begin(cfg.length)) {`
`208`	`208`	`LOGE("Not enough memory");`
`209`	`209`	`}`
	`210`	`+ int step_size = cfg.stride > 0 ? cfg.stride : cfg.length;`
`210`	`211`	`if (cfg.window_function != nullptr) {`
`211`		`- cfg.window_function->begin(length());`
	`212`	`+ cfg.window_function->begin(step_size);`
`212`	`213`	`}`
`213`	`214`
`214`		`- int step_size = cfg.stride > 0 ? cfg.stride : cfg.length;`
`215`	`215`	`bool is_valid_rxtx = false;`
`216`	`216`	`if (cfg.rxtx_mode == TX_MODE \|\| cfg.rxtx_mode == RXTX_MODE) {`
`217`	`217`	`if (cfg.stride > 0 && cfg.stride < cfg.length) {`