finalized bw_wah + examples
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@ -30,7 +30,7 @@ void bw_example_fx_wah_set_sample_rate(bw_example_fx_wah *instance, float sample
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void bw_example_fx_wah_reset(bw_example_fx_wah *instance) {
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bw_wah_reset_coeffs(&instance->wah_coeffs);
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bw_wah_reset_state(&instance->wah_coeffs, &instance->wah_state);
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bw_wah_reset_state(&instance->wah_coeffs, &instance->wah_state, 0.f);
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}
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void bw_example_fx_wah_process(bw_example_fx_wah *instance, const float** x, float** y, int n_samples) {
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@ -4,3 +4,6 @@ NAME := bw_example_fx_wah
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SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fx_wah.c
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include ${ROOT_DIR}/../../common/vst3/vst3.mk
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CXXFLAGS += -DRELEASE=1 -DNDEBUG -DBW_NO_DEBUG
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#CXXFLAGS += -DDEVELOPMENT=1 -DBW_DEBUG_DEEP
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@ -4,3 +4,6 @@ NAME := bw_example_fxpp_wah
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SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fxpp_wah.cpp
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include ${ROOT_DIR}/../../common/vst3/vst3.mk
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CXXFLAGS += -DRELEASE=1 -DNDEBUG -DBW_NO_DEBUG
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#CXXFLAGS += -DDEVELOPMENT=1 -DBW_DEBUG_DEEP
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431
include/bw_wah.h
431
include/bw_wah.h
@ -31,6 +31,14 @@
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* <ul>
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* <li>Version <strong>1.0.0</strong>:
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* <ul>
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* <li>Added initial input value to
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* <code>bw_wah_reset_state()</code>.</li>
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* <li>Added <code>bw_wah_reset_state_multi()</code> and updated C++
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* API in this regard.</li>
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* <li>Now <code>bw_wah_reset_state()</code> returns the initial output
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* value.</li>
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* <li>Added overloaded C++ <code>reset()</code> functions taking
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* arrays as arguments.</li>
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* <li><code>bw_wah_process()</code> and
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* <code>bw_wah_process_multi()</code> now use <code>size_t</code>
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* to count samples and channels.</li>
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@ -40,6 +48,8 @@
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* <li>Added overloaded C++ <code>process()</code> function taking
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* C-style arrays as arguments.</li>
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* <li>Removed usage of reserved identifiers.</li>
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* <li>Clearly specified parameter validity ranges.</li>
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* <li>Added debugging code.</li>
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* </ul>
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* </li>
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* <li>Version <strong>0.6.0</strong>:
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@ -100,50 +110,86 @@ typedef struct bw_wah_state bw_wah_state;
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*
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* #### bw_wah_init()
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* ```>>> */
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static inline void bw_wah_init(bw_wah_coeffs *BW_RESTRICT coeffs);
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static inline void bw_wah_init(
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bw_wah_coeffs * BW_RESTRICT coeffs);
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/*! <<<```
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* Initializes input parameter values in `coeffs`.
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*
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* #### bw_wah_set_sample_rate()
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* ```>>> */
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static inline void bw_wah_set_sample_rate(bw_wah_coeffs *BW_RESTRICT coeffs, float sample_rate);
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static inline void bw_wah_set_sample_rate(
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bw_wah_coeffs * BW_RESTRICT coeffs,
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float sample_rate);
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/*! <<<```
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* Sets the `sample_rate` (Hz) value in `coeffs`.
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*
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* #### bw_wah_reset_coeffs()
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* ```>>> */
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static inline void bw_wah_reset_coeffs(bw_wah_coeffs *BW_RESTRICT coeffs);
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static inline void bw_wah_reset_coeffs(
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bw_wah_coeffs * BW_RESTRICT coeffs);
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/*! <<<```
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* Resets coefficients in `coeffs` to assume their target values.
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*
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* #### bw_wah_reset_state()
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* ```>>> */
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static inline void bw_wah_reset_state(const bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_state *BW_RESTRICT state);
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static inline float bw_wah_reset_state(
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const bw_wah_coeffs * BW_RESTRICT coeffs,
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bw_wah_state * BW_RESTRICT state,
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float x_0);
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/*! <<<```
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* Resets the given `state` to its initial values using the given `coeffs`.
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* Resets the given `state` to its initial values using the given `coeffs`
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* and the initial input value `x_0`.
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*
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* Returns the corresponding initial output value.
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*
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* #### bw_wah_reset_state_multi()
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* ```>>> */
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static inline void bw_wah_reset_state_multi(
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const bw_wah_coeffs * BW_RESTRICT coeffs,
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bw_wah_state * BW_RESTRICT const * BW_RESTRICT state,
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const float * x_0,
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float * y_0,
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size_t n_channels);
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/*! <<<```
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* Resets each of the `n_channels` `state`s to its initial values using the
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* given `coeffs` and the corresponding initial input value in the `x_0`
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* array.
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*
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* The corresponding initial output values are written into the `y_0` array,
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* if not `NULL`.
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*
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* #### bw_wah_update_coeffs_ctrl()
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* ```>>> */
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static inline void bw_wah_update_coeffs_ctrl(bw_wah_coeffs *BW_RESTRICT coeffs);
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static inline void bw_wah_update_coeffs_ctrl(
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bw_wah_coeffs * BW_RESTRICT coeffs);
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/*! <<<```
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* Triggers control-rate update of coefficients in `coeffs`.
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*
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* #### bw_wah_update_coeffs_audio()
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* ```>>> */
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static inline void bw_wah_update_coeffs_audio(bw_wah_coeffs *BW_RESTRICT coeffs);
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static inline void bw_wah_update_coeffs_audio(
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bw_wah_coeffs * BW_RESTRICT coeffs);
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/*! <<<```
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* Triggers audio-rate update of coefficients in `coeffs`.
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*
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* #### bw_wah_process1()
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* ```>>> */
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static inline float bw_wah_process1(const bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_state *BW_RESTRICT state, float x);
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static inline float bw_wah_process1(
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const bw_wah_coeffs * BW_RESTRICT coeffs,
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bw_wah_state * BW_RESTRICT state,
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float x);
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/*! <<<```
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* Processes one input sample `x` using `coeffs`, while using and updating
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* `state`. Returns the corresponding output sample.
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*
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* #### bw_wah_process()
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* ```>>> */
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static inline void bw_wah_process(bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_state *BW_RESTRICT state, const float *x, float *y, size_t n_samples);
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static inline void bw_wah_process(
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bw_wah_coeffs * BW_RESTRICT coeffs,
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bw_wah_state * BW_RESTRICT state,
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const float * x,
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float * y,
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size_t n_samples);
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/*! <<<```
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* Processes the first `n_samples` of the input buffer `x` and fills the
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* first `n_samples` of the output buffer `y`, while using and updating both
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@ -151,7 +197,13 @@ static inline void bw_wah_process(bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_stat
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*
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* #### bw_wah_process_multi()
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* ```>>> */
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static inline void bw_wah_process_multi(bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_state *BW_RESTRICT const *BW_RESTRICT state, const float * const *x, float * const *y, size_t n_channels, size_t n_samples);
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static inline void bw_wah_process_multi(
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bw_wah_coeffs * BW_RESTRICT coeffs,
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bw_wah_state * BW_RESTRICT const * BW_RESTRICT state,
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const float * const * x,
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float * const * y,
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size_t n_channels,
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size_t n_samples);
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/*! <<<```
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* Processes the first `n_samples` of the `n_channels` input buffers `x` and
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* fills the first `n_samples` of the `n_channels` output buffers `y`, while
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@ -160,12 +212,42 @@ static inline void bw_wah_process_multi(bw_wah_coeffs *BW_RESTRICT coeffs, bw_wa
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*
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* #### bw_wah_set_wah()
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* ```>>> */
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static inline void bw_wah_set_wah(bw_wah_coeffs *BW_RESTRICT coeffs, float value);
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static inline void bw_wah_set_wah(
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bw_wah_coeffs * BW_RESTRICT coeffs,
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float value);
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/*! <<<```
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* Sets the wah pedal position to the given `value` in [`0.f` (low cutoff),
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* `1.f` (high cutoff)] in `coeffs`.
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*
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* Default value: `0.5f`.
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*
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* #### bw_wah_coeffs_is_valid()
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* ```>>> */
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static inline char bw_wah_coeffs_is_valid(
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const bw_wah_coeffs * BW_RESTRICT coeffs);
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/*! <<<```
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* Tries to determine whether `coeffs` is valid and returns non-`0` if it
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* seems to be the case and `0` if it is certainly not. False positives are
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* possible, false negatives are not.
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*
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* `coeffs` must at least point to a readable memory block of size greater
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* than or equal to that of `bw_wah_coeffs`.
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*
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* #### bw_wah_state_is_valid()
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* ```>>> */
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static inline char bw_wah_state_is_valid(
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const bw_wah_coeffs * BW_RESTRICT coeffs,
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const bw_wah_state * BW_RESTRICT state);
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/*! <<<```
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* Tries to determine whether `state` is valid and returns non-`0` if it
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* seems to be the case and `0` if it is certainly not. False positives are
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* possible, false negatives are not.
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*
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* If `coeffs` is not `NULL` extra cross-checks might be performed (`state`
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* is supposed to be associated to `coeffs`).
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*
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* `state` must at least point to a readable memory block of size greater
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* than or equal to that of `bw_wah_state`.
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* }}} */
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#ifdef __cplusplus
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@ -183,67 +265,277 @@ static inline void bw_wah_set_wah(bw_wah_coeffs *BW_RESTRICT coeffs, float value
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extern "C" {
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#endif
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#ifdef BW_DEBUG_DEEP
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enum bw_wah_coeffs_state {
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bw_wah_coeffs_state_invalid,
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bw_wah_coeffs_state_init,
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bw_wah_coeffs_state_set_sample_rate,
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bw_wah_coeffs_state_reset_coeffs
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};
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#endif
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struct bw_wah_coeffs {
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#ifdef BW_DEBUG_DEEP
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uint32_t hash;
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enum bw_wah_coeffs_state state;
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uint32_t reset_id;
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#endif
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// Sub-components
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bw_svf_coeffs svf_coeffs;
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bw_svf_coeffs svf_coeffs;
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};
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struct bw_wah_state {
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#ifdef BW_DEBUG_DEEP
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uint32_t hash;
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uint32_t coeffs_reset_id;
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#endif
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// Sub-components
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bw_svf_state svf_state;
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};
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static inline void bw_wah_init(bw_wah_coeffs *BW_RESTRICT coeffs) {
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static inline void bw_wah_init(
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bw_wah_coeffs * BW_RESTRICT coeffs) {
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BW_ASSERT(coeffs != NULL);
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bw_svf_init(&coeffs->svf_coeffs);
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bw_wah_set_wah(coeffs, 0.5f);
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bw_svf_set_cutoff(&coeffs->svf_coeffs, 600.f);
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bw_svf_set_Q(&coeffs->svf_coeffs, 9.f);
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#ifdef BW_DEBUG_DEEP
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coeffs->hash = bw_hash_sdbm("bw_wah_coeffs");
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coeffs->state = bw_wah_coeffs_state_init;
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coeffs->reset_id = coeffs->hash + 1;
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#endif
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state == bw_wah_coeffs_state_init);
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}
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static inline void bw_wah_set_sample_rate(bw_wah_coeffs *BW_RESTRICT coeffs, float sample_rate) {
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static inline void bw_wah_set_sample_rate(
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bw_wah_coeffs * BW_RESTRICT coeffs,
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float sample_rate) {
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BW_ASSERT(coeffs != NULL);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_init);
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BW_ASSERT(bw_is_finite(sample_rate) && sample_rate > 0.f);
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bw_svf_set_sample_rate(&coeffs->svf_coeffs, sample_rate);
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#ifdef BW_DEBUG_DEEP
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coeffs->state = bw_wah_coeffs_state_set_sample_rate;
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#endif
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state == bw_wah_coeffs_state_set_sample_rate);
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}
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static inline void bw_wah_reset_coeffs(bw_wah_coeffs *BW_RESTRICT coeffs) {
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static inline void bw_wah_reset_coeffs(
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bw_wah_coeffs * BW_RESTRICT coeffs) {
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BW_ASSERT(coeffs != NULL);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_set_sample_rate);
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bw_svf_reset_coeffs(&coeffs->svf_coeffs);
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#ifdef BW_DEBUG_DEEP
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coeffs->state = bw_wah_coeffs_state_reset_coeffs;
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coeffs->reset_id++;
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#endif
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state == bw_wah_coeffs_state_reset_coeffs);
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}
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static inline void bw_wah_reset_state(const bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_state *BW_RESTRICT state) {
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bw_svf_reset_state(&coeffs->svf_coeffs, &state->svf_state, 0.f);
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static inline float bw_wah_reset_state(
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const bw_wah_coeffs * BW_RESTRICT coeffs,
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bw_wah_state * BW_RESTRICT state,
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float x_0) {
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BW_ASSERT(coeffs != NULL);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
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BW_ASSERT(state != NULL);
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BW_ASSERT(bw_is_finite(x_0));
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float lp, bp, hp;
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bw_svf_reset_state(&coeffs->svf_coeffs, &state->svf_state, x_0, &lp, &bp, &hp);
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#ifdef BW_DEBUG_DEEP
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state->hash = bw_hash_sdbm("bw_wah_state");
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state->coeffs_reset_id = coeffs->reset_id;
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#endif
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
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BW_ASSERT_DEEP(bw_wah_state_is_valid(coeffs, state));
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return 0.f;
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}
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static inline void bw_wah_update_coeffs_ctrl(bw_wah_coeffs *BW_RESTRICT coeffs) {
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static inline void bw_wah_reset_state_multi(
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const bw_wah_coeffs * BW_RESTRICT coeffs,
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bw_wah_state * BW_RESTRICT const * BW_RESTRICT state,
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const float * x_0,
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float * y_0,
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size_t n_channels) {
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BW_ASSERT(coeffs != NULL);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
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BW_ASSERT(state != NULL);
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BW_ASSERT(x_0 != NULL);
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if (y_0 != NULL)
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for (size_t i = 0; i < n_channels; i++)
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y_0[i] = bw_wah_reset_state(coeffs, state[i], x_0[i]);
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else
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for (size_t i = 0; i < n_channels; i++)
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bw_wah_reset_state(coeffs, state[i], x_0[i]);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
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BW_ASSERT_DEEP(y_0 != NULL ? bw_has_only_finite(y_0, n_channels) : 1);
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}
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static inline void bw_wah_update_coeffs_ctrl(
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bw_wah_coeffs * BW_RESTRICT coeffs) {
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BW_ASSERT(coeffs != NULL);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
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bw_svf_update_coeffs_ctrl(&coeffs->svf_coeffs);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
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}
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static inline void bw_wah_update_coeffs_audio(bw_wah_coeffs *BW_RESTRICT coeffs) {
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static inline void bw_wah_update_coeffs_audio(
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bw_wah_coeffs * BW_RESTRICT coeffs) {
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BW_ASSERT(coeffs != NULL);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
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bw_svf_update_coeffs_audio(&coeffs->svf_coeffs);
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BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline float bw_wah_process1(const bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_state *BW_RESTRICT state, float x) {
|
||||
static inline float bw_wah_process1(
|
||||
const bw_wah_coeffs * BW_RESTRICT coeffs,
|
||||
bw_wah_state * BW_RESTRICT state,
|
||||
float x) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT_DEEP(bw_wah_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(bw_is_finite(x));
|
||||
|
||||
float v_lp, v_hp, v_bp;
|
||||
bw_svf_process1(&coeffs->svf_coeffs, &state->svf_state, x, &v_lp, &v_bp, &v_hp);
|
||||
|
||||
BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(bw_wah_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(bw_is_finite(v_bp));
|
||||
|
||||
return v_bp;
|
||||
}
|
||||
|
||||
static inline void bw_wah_process(bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_state *BW_RESTRICT state, const float *x, float *y, size_t n_samples) {
|
||||
static inline void bw_wah_process(
|
||||
bw_wah_coeffs * BW_RESTRICT coeffs,
|
||||
bw_wah_state * BW_RESTRICT state,
|
||||
const float * x,
|
||||
float * y,
|
||||
size_t n_samples) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT_DEEP(bw_wah_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(x != NULL);
|
||||
BW_ASSERT_DEEP(bw_has_only_finite(x, n_samples));
|
||||
BW_ASSERT(y != NULL);
|
||||
|
||||
bw_wah_update_coeffs_ctrl(coeffs);
|
||||
for (size_t i = 0; i < n_samples; i++) {
|
||||
bw_wah_update_coeffs_audio(coeffs);
|
||||
y[i] = bw_wah_process1(coeffs, state, x[i]);
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(bw_wah_state_is_valid(coeffs, state));
|
||||
BW_ASSERT_DEEP(bw_has_only_finite(y, n_samples));
|
||||
}
|
||||
|
||||
static inline void bw_wah_process_multi(bw_wah_coeffs *BW_RESTRICT coeffs, bw_wah_state *BW_RESTRICT const *BW_RESTRICT state, const float * const *x, float * const *y, size_t n_channels, size_t n_samples) {
|
||||
static inline void bw_wah_process_multi(
|
||||
bw_wah_coeffs * BW_RESTRICT coeffs,
|
||||
bw_wah_state * BW_RESTRICT const * BW_RESTRICT state,
|
||||
const float * const * x,
|
||||
float * const * y,
|
||||
size_t n_channels,
|
||||
size_t n_samples) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT(x != NULL);
|
||||
BW_ASSERT(y != NULL);
|
||||
|
||||
bw_wah_update_coeffs_ctrl(coeffs);
|
||||
for (size_t i = 0; i < n_samples; i++) {
|
||||
bw_wah_update_coeffs_audio(coeffs);
|
||||
for (size_t j = 0; j < n_channels; j++)
|
||||
y[j][i] = bw_wah_process1(coeffs, state[j], x[j][i]);
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_wah_set_wah(bw_wah_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
static inline void bw_wah_set_wah(
|
||||
bw_wah_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value >= 0.f && value <= 1.f);
|
||||
|
||||
bw_svf_set_cutoff(&coeffs->svf_coeffs, 400.f + (2e3f - 400.f) * value * value * value);
|
||||
|
||||
BW_ASSERT_DEEP(bw_wah_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_wah_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline char bw_wah_coeffs_is_valid(
|
||||
const bw_wah_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
if (coeffs->hash != bw_hash_sdbm("bw_wah_coeffs"))
|
||||
return 0;
|
||||
if (coeffs->state < bw_wah_coeffs_state_init || coeffs->state > bw_wah_coeffs_state_reset_coeffs)
|
||||
return 0;
|
||||
#endif
|
||||
|
||||
return bw_svf_coeffs_is_valid(&coeffs->svf_coeffs);
|
||||
}
|
||||
|
||||
static inline char bw_wah_state_is_valid(
|
||||
const bw_wah_coeffs * BW_RESTRICT coeffs,
|
||||
const bw_wah_state * BW_RESTRICT state) {
|
||||
BW_ASSERT(state != NULL);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
if (state->hash != bw_hash_sdbm("bw_wah_state"))
|
||||
return 0;
|
||||
|
||||
if (coeffs != NULL && coeffs->reset_id != state->coeffs_reset_id)
|
||||
return 0;
|
||||
#endif
|
||||
|
||||
(void)coeffs;
|
||||
|
||||
return bw_svf_state_is_valid(&coeffs->svf_coeffs, &state->svf_state);
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
@ -263,18 +555,37 @@ class Wah {
|
||||
public:
|
||||
Wah();
|
||||
|
||||
void setSampleRate(float sampleRate);
|
||||
void reset();
|
||||
void setSampleRate(
|
||||
float sampleRate);
|
||||
|
||||
void reset(
|
||||
float x0 = 0.f,
|
||||
float * BW_RESTRICT y0 = nullptr);
|
||||
|
||||
void reset(
|
||||
float x0,
|
||||
std::array<float, N_CHANNELS> * BW_RESTRICT y0);
|
||||
|
||||
void reset(
|
||||
const float * x0,
|
||||
float * y0 = nullptr);
|
||||
|
||||
void reset(
|
||||
std::array<float, N_CHANNELS> x0,
|
||||
std::array<float, N_CHANNELS> * BW_RESTRICT y0 = nullptr);
|
||||
|
||||
void process(
|
||||
const float * const *x,
|
||||
float * const *y,
|
||||
size_t nSamples);
|
||||
const float * const * x,
|
||||
float * const * y,
|
||||
size_t nSamples);
|
||||
|
||||
void process(
|
||||
std::array<const float *, N_CHANNELS> x,
|
||||
std::array<float *, N_CHANNELS> y,
|
||||
size_t nSamples);
|
||||
std::array<float *, N_CHANNELS> y,
|
||||
size_t nSamples);
|
||||
|
||||
void setWah(float value);
|
||||
void setWah(
|
||||
float value);
|
||||
/*! <<<...
|
||||
* }
|
||||
* ```
|
||||
@ -286,9 +597,9 @@ public:
|
||||
* change at any time in future versions. Please, do not use it directly. */
|
||||
|
||||
private:
|
||||
bw_wah_coeffs coeffs;
|
||||
bw_wah_state states[N_CHANNELS];
|
||||
bw_wah_state *BW_RESTRICT statesP[N_CHANNELS];
|
||||
bw_wah_coeffs coeffs;
|
||||
bw_wah_state states[N_CHANNELS];
|
||||
bw_wah_state * BW_RESTRICT statesP[N_CHANNELS];
|
||||
};
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
@ -299,35 +610,65 @@ inline Wah<N_CHANNELS>::Wah() {
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Wah<N_CHANNELS>::setSampleRate(float sampleRate) {
|
||||
inline void Wah<N_CHANNELS>::setSampleRate(
|
||||
float sampleRate) {
|
||||
bw_wah_set_sample_rate(&coeffs, sampleRate);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Wah<N_CHANNELS>::reset() {
|
||||
inline void Wah<N_CHANNELS>::reset(
|
||||
float x0,
|
||||
float * BW_RESTRICT y0) {
|
||||
bw_wah_reset_coeffs(&coeffs);
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
bw_wah_reset_state(&coeffs, states + i);
|
||||
if (y0 != nullptr)
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
y0[i] = bw_wah_reset_state(&coeffs, states + i, x0);
|
||||
else
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
bw_wah_reset_state(&coeffs, states + i, x0);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Wah<N_CHANNELS>::reset(
|
||||
float x0,
|
||||
std::array<float, N_CHANNELS> * BW_RESTRICT y0) {
|
||||
reset(x0, y0 != nullptr ? y0->data() : nullptr);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Wah<N_CHANNELS>::reset(
|
||||
const float * x0,
|
||||
float * y0) {
|
||||
bw_wah_reset_coeffs(&coeffs);
|
||||
bw_wah_reset_state_multi(&coeffs, statesP, x0, y0, N_CHANNELS);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Wah<N_CHANNELS>::reset(
|
||||
std::array<float, N_CHANNELS> x0,
|
||||
std::array<float, N_CHANNELS> * BW_RESTRICT y0) {
|
||||
reset(x0.data(), y0 != nullptr ? y0->data() : nullptr);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Wah<N_CHANNELS>::process(
|
||||
const float * const *x,
|
||||
float * const *y,
|
||||
size_t nSamples) {
|
||||
const float * const * x,
|
||||
float * const * y,
|
||||
size_t nSamples) {
|
||||
bw_wah_process_multi(&coeffs, statesP, x, y, N_CHANNELS, nSamples);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Wah<N_CHANNELS>::process(
|
||||
std::array<const float *, N_CHANNELS> x,
|
||||
std::array<float *, N_CHANNELS> y,
|
||||
size_t nSamples) {
|
||||
std::array<float *, N_CHANNELS> y,
|
||||
size_t nSamples) {
|
||||
process(x.data(), y.data(), nSamples);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Wah<N_CHANNELS>::setWah(float value) {
|
||||
inline void Wah<N_CHANNELS>::setWah(
|
||||
float value) {
|
||||
bw_wah_set_wah(&coeffs, value);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user