finalized bw_{notch,peak} + examples
This commit is contained in:
Stefano D'Angelo
parent
213bac4209
commit
d9e021aca3
1
TODO
1
TODO
@ -21,7 +21,6 @@ code:
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* bw_comb: integer target delay values?
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* prewarp control in all derived filtering modules
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* src inside distortions? w/ control from outside?
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* peak gain + Q ???
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* better src filter
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finally:
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* debugging - also check outputs different (incl bw_buf)
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@ -4,3 +4,6 @@ NAME := bw_example_fx_notch
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SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fx_notch.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_notch
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SOURCES = ${SOURCES_COMMON} ${ROOT_DIR}/../src/bw_example_fxpp_notch.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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@ -30,6 +30,12 @@
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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 <code>bw_notch_reset_state_multi()</code> and updated C++
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* API in this regard.</li>
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* <li>Now <code>bw_notch_reset_state()</code> returns the initial
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* output 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_notch_process()</code> and
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* <code>bw_notch_process_multi()</code> now use
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* <code>size_t</code> to count samples and channels.</li>
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@ -39,6 +45,8 @@
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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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@ -91,51 +99,86 @@ typedef struct bw_notch_state bw_notch_state;
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*
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* #### bw_notch_init()
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* ```>>> */
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static inline void bw_notch_init(bw_notch_coeffs *BW_RESTRICT coeffs);
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static inline void bw_notch_init(
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bw_notch_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_notch_set_sample_rate()
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* ```>>> */
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static inline void bw_notch_set_sample_rate(bw_notch_coeffs *BW_RESTRICT coeffs, float sample_rate);
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static inline void bw_notch_set_sample_rate(
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bw_notch_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_notch_reset_coeffs()
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* ```>>> */
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static inline void bw_notch_reset_coeffs(bw_notch_coeffs *BW_RESTRICT coeffs);
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static inline void bw_notch_reset_coeffs(
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bw_notch_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_notch_reset_state()
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* ```>>> */
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static inline void bw_notch_reset_state(const bw_notch_coeffs *BW_RESTRICT coeffs, bw_notch_state *BW_RESTRICT state, float x_0);
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static inline float bw_notch_reset_state(
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const bw_notch_coeffs * BW_RESTRICT coeffs,
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bw_notch_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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* and the quiescent/initial input value `x_0`.
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*
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* Returns the corresponding quiescent/initial output value.
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*
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* #### bw_notch_reset_state_multi()
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* ```>>> */
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static inline void bw_notch_reset_state_multi(
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const bw_notch_coeffs * BW_RESTRICT coeffs,
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bw_notch_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 quiescent/initial input value in the
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* `x_0` array.
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*
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* The corresponding quiescent/initial output values are written into the
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* `y_0` array, if not `NULL`.
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*
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* #### bw_notch_update_coeffs_ctrl()
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* ```>>> */
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static inline void bw_notch_update_coeffs_ctrl(bw_notch_coeffs *BW_RESTRICT coeffs);
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static inline void bw_notch_update_coeffs_ctrl(
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bw_notch_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_notch_update_coeffs_audio()
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* ```>>> */
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static inline void bw_notch_update_coeffs_audio(bw_notch_coeffs *BW_RESTRICT coeffs);
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static inline void bw_notch_update_coeffs_audio(
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bw_notch_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_notch_process1()
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* ```>>> */
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static inline float bw_notch_process1(const bw_notch_coeffs *BW_RESTRICT coeffs, bw_notch_state *BW_RESTRICT state, float x);
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static inline float bw_notch_process1(
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const bw_notch_coeffs * BW_RESTRICT coeffs,
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bw_notch_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_notch_process()
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* ```>>> */
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static inline void bw_notch_process(bw_notch_coeffs *BW_RESTRICT coeffs, bw_notch_state *BW_RESTRICT state, const float *x, float *y, size_t n_samples);
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static inline void bw_notch_process(
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bw_notch_coeffs * BW_RESTRICT coeffs,
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bw_notch_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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@ -143,7 +186,13 @@ static inline void bw_notch_process(bw_notch_coeffs *BW_RESTRICT coeffs, bw_notc
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*
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* #### bw_notch_process_multi()
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* ```>>> */
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static inline void bw_notch_process_multi(bw_notch_coeffs *BW_RESTRICT coeffs, bw_notch_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_notch_process_multi(
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bw_notch_coeffs * BW_RESTRICT coeffs,
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bw_notch_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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@ -152,21 +201,81 @@ static inline void bw_notch_process_multi(bw_notch_coeffs *BW_RESTRICT coeffs, b
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*
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* #### bw_notch_set_cutoff()
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* ```>>> */
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static inline void bw_notch_set_cutoff(bw_notch_coeffs *BW_RESTRICT coeffs, float value);
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static inline void bw_notch_set_cutoff(
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bw_notch_coeffs * BW_RESTRICT coeffs,
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float value);
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/*! <<<```
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* Sets the cutoff frequency `value` (Hz) in `coeffs`.
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*
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* Valid range: [`1e-6f`, `1e12f`].
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*
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* Default value: `1e3f`.
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*
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* #### bw_notch_set_Q()
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* ```>>> */
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static inline void bw_notch_set_Q(bw_notch_coeffs *BW_RESTRICT coeffs, float value);
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static inline void bw_notch_set_Q(
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bw_notch_coeffs * BW_RESTRICT coeffs,
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float value);
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/*! <<<```
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* Sets the quality factor to the given `value` in `coeffs`.
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*
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* `value` must be equal or bigger than `0.5f`.
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* Valid range: [`1e-6f`, `1e6f`].
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*
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* Default value: `0.5f`.
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*
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* #### bw_notch_set_prewarp_at_cutoff()
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* ```>>> */
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static inline void bw_notch_set_prewarp_at_cutoff(
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bw_notch_coeffs * BW_RESTRICT coeffs,
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char value);
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/*! <<<```
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* Sets whether bilinear transform prewarping frequency should match the
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* cutoff frequency (non-`0`) or not (`0`).
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*
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* Default value: non-`0` (on).
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*
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* #### bw_notch_set_prewarp_freq()
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* ```>>> */
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static inline void bw_notch_set_prewarp_freq(
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bw_notch_coeffs * BW_RESTRICT coeffs,
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float value);
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/*! <<<```
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* Sets the prewarping frequency `value` (Hz) in `coeffs`.
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*
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* Only used when the prewarp\_at\_cutoff parameter is off and however
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* internally limited to avoid instability.
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*
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* Valid range: [`1e-6f`, `1e12f`].
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*
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* Default value: `1e3f`.
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*
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* #### bw_notch_coeffs_is_valid()
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* ```>>> */
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static inline char bw_notch_coeffs_is_valid(
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const bw_notch_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_notch_coeffs`.
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*
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* #### bw_notch_state_is_valid()
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* ```>>> */
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static inline char bw_notch_state_is_valid(
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const bw_notch_coeffs * BW_RESTRICT coeffs,
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const bw_notch_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_notch_state`.
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* }}} */
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#ifdef __cplusplus
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@ -184,68 +293,320 @@ static inline void bw_notch_set_Q(bw_notch_coeffs *BW_RESTRICT coeffs, float val
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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_notch_coeffs_state {
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bw_notch_coeffs_state_invalid,
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bw_notch_coeffs_state_init,
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bw_notch_coeffs_state_set_sample_rate,
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bw_notch_coeffs_state_reset_coeffs
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};
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#endif
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struct bw_notch_coeffs {
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#ifdef BW_DEBUG_DEEP
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uint32_t hash;
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enum bw_notch_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_notch_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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bw_svf_state svf_state;
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};
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static inline void bw_notch_init(bw_notch_coeffs *BW_RESTRICT coeffs) {
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static inline void bw_notch_init(
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bw_notch_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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#ifdef BW_DEBUG_DEEP
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coeffs->hash = bw_hash_sdbm("bw_notch_coeffs");
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coeffs->state = bw_notch_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_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state == bw_notch_coeffs_state_init);
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}
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static inline void bw_notch_set_sample_rate(bw_notch_coeffs *BW_RESTRICT coeffs, float sample_rate) {
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static inline void bw_notch_set_sample_rate(
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bw_notch_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_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_notch_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_notch_coeffs_state_set_sample_rate;
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#endif
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BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state == bw_notch_coeffs_state_set_sample_rate);
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}
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static inline void bw_notch_reset_coeffs(bw_notch_coeffs *BW_RESTRICT coeffs) {
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static inline void bw_notch_reset_coeffs(
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bw_notch_coeffs * BW_RESTRICT coeffs) {
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BW_ASSERT(coeffs != NULL);
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BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_notch_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_notch_coeffs_state_reset_coeffs;
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coeffs->reset_id++;
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#endif
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BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state == bw_notch_coeffs_state_reset_coeffs);
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}
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static inline void bw_notch_reset_state(const bw_notch_coeffs *BW_RESTRICT coeffs, bw_notch_state *BW_RESTRICT state, float x_0) {
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bw_svf_reset_state(&coeffs->svf_coeffs, &state->svf_state, x_0);
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static inline float bw_notch_reset_state(
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const bw_notch_coeffs * BW_RESTRICT coeffs,
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bw_notch_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_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_notch_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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const float y = x_0;
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#ifdef BW_DEBUG_DEEP
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state->hash = bw_hash_sdbm("bw_notch_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_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
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BW_ASSERT_DEEP(bw_notch_state_is_valid(coeffs, state));
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BW_ASSERT(bw_is_finite(y));
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return y;
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}
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static inline void bw_notch_update_coeffs_ctrl(bw_notch_coeffs *BW_RESTRICT coeffs) {
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static inline void bw_notch_reset_state_multi(
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const bw_notch_coeffs * BW_RESTRICT coeffs,
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bw_notch_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_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_notch_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_notch_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_notch_reset_state(coeffs, state[i], x_0[i]);
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BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
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BW_ASSERT_DEEP(coeffs->state >= bw_notch_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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}
|
||||
|
||||
static inline void bw_notch_update_coeffs_ctrl(
|
||||
bw_notch_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
|
||||
bw_svf_update_coeffs_ctrl(&coeffs->svf_coeffs);
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_notch_update_coeffs_audio(bw_notch_coeffs *BW_RESTRICT coeffs) {
|
||||
static inline void bw_notch_update_coeffs_audio(
|
||||
bw_notch_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
|
||||
bw_svf_update_coeffs_audio(&coeffs->svf_coeffs);
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline float bw_notch_process1(const bw_notch_coeffs *BW_RESTRICT coeffs, bw_notch_state *BW_RESTRICT state, float x) {
|
||||
static inline float bw_notch_process1(
|
||||
const bw_notch_coeffs * BW_RESTRICT coeffs,
|
||||
bw_notch_state * BW_RESTRICT state,
|
||||
float x) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(bw_is_finite(x));
|
||||
|
||||
float lp, bp, hp;
|
||||
bw_svf_process1(&coeffs->svf_coeffs, &state->svf_state, x, &lp, &bp, &hp);
|
||||
return lp + hp;
|
||||
const float y = lp + hp;
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(bw_notch_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(bw_is_finite(y));
|
||||
|
||||
return y;
|
||||
}
|
||||
|
||||
static inline void bw_notch_process(bw_notch_coeffs *BW_RESTRICT coeffs, bw_notch_state *BW_RESTRICT state, const float *x, float *y, size_t n_samples) {
|
||||
static inline void bw_notch_process(
|
||||
bw_notch_coeffs * BW_RESTRICT coeffs,
|
||||
bw_notch_state * BW_RESTRICT state,
|
||||
const float * x,
|
||||
float * y,
|
||||
size_t n_samples) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(x != NULL);
|
||||
BW_ASSERT_DEEP(bw_has_only_finite(x, n_samples));
|
||||
BW_ASSERT(y != NULL);
|
||||
|
||||
bw_notch_update_coeffs_ctrl(coeffs);
|
||||
for (size_t i = 0; i < n_samples; i++) {
|
||||
bw_notch_update_coeffs_audio(coeffs);
|
||||
y[i] = bw_notch_process1(coeffs, state, x[i]);
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(bw_notch_state_is_valid(coeffs, state));
|
||||
BW_ASSERT_DEEP(bw_has_only_finite(y, n_samples));
|
||||
}
|
||||
|
||||
static inline void bw_notch_process_multi(bw_notch_coeffs *BW_RESTRICT coeffs, bw_notch_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_notch_process_multi(
|
||||
bw_notch_coeffs * BW_RESTRICT coeffs,
|
||||
bw_notch_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_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT(x != NULL);
|
||||
BW_ASSERT(y != NULL);
|
||||
|
||||
bw_notch_update_coeffs_ctrl(coeffs);
|
||||
for (size_t i = 0; i < n_samples; i++) {
|
||||
bw_notch_update_coeffs_audio(coeffs);
|
||||
for (size_t j = 0; j < n_channels; j++)
|
||||
y[j][i] = bw_notch_process1(coeffs, state[j], x[j][i]);
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_notch_set_cutoff(bw_notch_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
static inline void bw_notch_set_cutoff(
|
||||
bw_notch_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value >= 1e-6f && value <= 1e12f);
|
||||
|
||||
bw_svf_set_cutoff(&coeffs->svf_coeffs, value);
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_notch_set_Q(bw_notch_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
static inline void bw_notch_set_Q(
|
||||
bw_notch_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value >= 1e-6f && value <= 1e6f);
|
||||
|
||||
bw_svf_set_Q(&coeffs->svf_coeffs, value);
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_notch_set_prewarp_at_cutoff(
|
||||
bw_notch_coeffs * BW_RESTRICT coeffs,
|
||||
char value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_init);
|
||||
|
||||
bw_svf_set_prewarp_at_cutoff(&coeffs->svf_coeffs, value);
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_notch_set_prewarp_freq(
|
||||
bw_notch_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value >= 1e-6f && value <= 1e12f);
|
||||
|
||||
bw_svf_set_prewarp_freq(&coeffs->svf_coeffs, value);
|
||||
|
||||
BW_ASSERT_DEEP(bw_notch_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_notch_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline char bw_notch_coeffs_is_valid(
|
||||
const bw_notch_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
if (coeffs->hash != bw_hash_sdbm("bw_notch_coeffs"))
|
||||
return 0;
|
||||
if (coeffs->state < bw_notch_coeffs_state_init || coeffs->state > bw_notch_coeffs_state_reset_coeffs)
|
||||
return 0;
|
||||
#endif
|
||||
|
||||
return bw_svf_coeffs_is_valid(&coeffs->svf_coeffs);
|
||||
}
|
||||
|
||||
static inline char bw_notch_state_is_valid(
|
||||
const bw_notch_coeffs * BW_RESTRICT coeffs,
|
||||
const bw_notch_state * BW_RESTRICT state) {
|
||||
BW_ASSERT(state != NULL);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
if (state->hash != bw_hash_sdbm("bw_notch_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
|
||||
@ -265,19 +626,46 @@ class Notch {
|
||||
public:
|
||||
Notch();
|
||||
|
||||
void setSampleRate(float sampleRate);
|
||||
void reset(float x_0 = 0.f);
|
||||
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 setCutoff(float value);
|
||||
void setQ(float value);
|
||||
void setCutoff(
|
||||
float value);
|
||||
|
||||
void setQ(
|
||||
float value);
|
||||
|
||||
void setPrewarpAtCutoff(
|
||||
bool value);
|
||||
|
||||
void setPrewarpFreq(
|
||||
float value);
|
||||
/*! <<<...
|
||||
* }
|
||||
* ```
|
||||
@ -289,9 +677,9 @@ public:
|
||||
* change at any time in future versions. Please, do not use it directly. */
|
||||
|
||||
private:
|
||||
bw_notch_coeffs coeffs;
|
||||
bw_notch_state states[N_CHANNELS];
|
||||
bw_notch_state *BW_RESTRICT statesP[N_CHANNELS];
|
||||
bw_notch_coeffs coeffs;
|
||||
bw_notch_state states[N_CHANNELS];
|
||||
bw_notch_state * BW_RESTRICT statesP[N_CHANNELS];
|
||||
};
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
@ -302,43 +690,86 @@ inline Notch<N_CHANNELS>::Notch() {
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Notch<N_CHANNELS>::setSampleRate(float sampleRate) {
|
||||
inline void Notch<N_CHANNELS>::setSampleRate(
|
||||
float sampleRate) {
|
||||
bw_notch_set_sample_rate(&coeffs, sampleRate);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Notch<N_CHANNELS>::reset(float x_0) {
|
||||
inline void Notch<N_CHANNELS>::reset(
|
||||
float x0,
|
||||
float * BW_RESTRICT y0) {
|
||||
bw_notch_reset_coeffs(&coeffs);
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
bw_notch_reset_state(&coeffs, states + i, x_0);
|
||||
if (y0 != nullptr)
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
y0[i] = bw_notch_reset_state(&coeffs, states + i, x0);
|
||||
else
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
bw_notch_reset_state(&coeffs, states + i, x0);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Notch<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 Notch<N_CHANNELS>::reset(
|
||||
const float * x0,
|
||||
float * y0) {
|
||||
bw_notch_reset_coeffs(&coeffs);
|
||||
bw_notch_reset_state_multi(&coeffs, statesP, x0, y0, N_CHANNELS);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Notch<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 Notch<N_CHANNELS>::process(
|
||||
const float * const *x,
|
||||
float * const *y,
|
||||
size_t nSamples) {
|
||||
const float * const * x,
|
||||
float * const * y,
|
||||
size_t nSamples) {
|
||||
bw_notch_process_multi(&coeffs, statesP, x, y, N_CHANNELS, nSamples);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Notch<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 Notch<N_CHANNELS>::setCutoff(float value) {
|
||||
inline void Notch<N_CHANNELS>::setCutoff(
|
||||
float value) {
|
||||
bw_notch_set_cutoff(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Notch<N_CHANNELS>::setQ(float value) {
|
||||
inline void Notch<N_CHANNELS>::setQ(
|
||||
float value) {
|
||||
bw_notch_set_Q(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Notch<N_CHANNELS>::setPrewarpAtCutoff(
|
||||
bool value) {
|
||||
bw_notch_set_prewarp_at_cutoff(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Notch<N_CHANNELS>::setPrewarpFreq(
|
||||
float value) {
|
||||
bw_notch_set_prewarp_freq(&coeffs, value);
|
||||
}
|
||||
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
@ -37,6 +37,12 @@
|
||||
* <ul>
|
||||
* <li>Version <strong>1.0.0</strong>:
|
||||
* <ul>
|
||||
* <li>Added <code>bw_peak_reset_state_multi()</code> and updated C++
|
||||
* API in this regard.</li>
|
||||
* <li>Now <code>bw_peak_reset_state()</code> returns the initial
|
||||
* output value.</li>
|
||||
* <li>Added overloaded C++ <code>reset()</code> functions taking
|
||||
* arrays as arguments.</li>
|
||||
* <li><code>bw_peak_process()</code> and
|
||||
* <code>bw_peak_process_multi()</code> now use <code>size_t</code>
|
||||
* to count samples and channels.</li>
|
||||
@ -48,6 +54,8 @@
|
||||
* <li>Removed usage of reserved identifiers.</li>
|
||||
* <li>Added pragmas to silence bogus GCC uninitialized variable
|
||||
* warnings.</li>
|
||||
* <li>Clearly specified parameter validity ranges.</li>
|
||||
* <li>Added debugging code.</li>
|
||||
* </ul>
|
||||
* </li>
|
||||
* <li>Version <strong>0.6.0</strong>:
|
||||
@ -102,51 +110,86 @@ typedef struct bw_peak_state bw_peak_state;
|
||||
*
|
||||
* #### bw_peak_init()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_init(bw_peak_coeffs *BW_RESTRICT coeffs);
|
||||
static inline void bw_peak_init(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Initializes input parameter values in `coeffs`.
|
||||
*
|
||||
* #### bw_peak_set_sample_rate()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_sample_rate(bw_peak_coeffs *BW_RESTRICT coeffs, float sample_rate);
|
||||
static inline void bw_peak_set_sample_rate(
|
||||
bw_peak_coeffs *BW_RESTRICT coeffs,
|
||||
float sample_rate);
|
||||
/*! <<<```
|
||||
* Sets the `sample_rate` (Hz) value in `coeffs`.
|
||||
*
|
||||
* #### bw_peak_reset_coeffs()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_reset_coeffs(bw_peak_coeffs *BW_RESTRICT coeffs);
|
||||
static inline void bw_peak_reset_coeffs(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Resets coefficients in `coeffs` to assume their target values.
|
||||
*
|
||||
* #### bw_peak_reset_state()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_reset_state(const bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_state *BW_RESTRICT state, float x_0);
|
||||
static inline float bw_peak_reset_state(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT state,
|
||||
float x_0);
|
||||
/*! <<<```
|
||||
* Resets the given `state` to its initial values using the given `coeffs`
|
||||
* and the quiescent/initial input value `x_0`.
|
||||
*
|
||||
* Returns the corresponding quiescent/initial output value.
|
||||
*
|
||||
* #### bw_peak_reset_state_multi()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_reset_state_multi(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT const * BW_RESTRICT state,
|
||||
const float * x_0,
|
||||
float * y_0,
|
||||
size_t n_channels);
|
||||
/*! <<<```
|
||||
* Resets each of the `n_channels` `state`s to its initial values using the
|
||||
* given `coeffs` and the corresponding quiescent/initial input value in the
|
||||
* `x_0` array.
|
||||
*
|
||||
* The corresponding quiescent/initial output values are written into the
|
||||
* `y_0` array, if not `NULL`.
|
||||
*
|
||||
* #### bw_peak_update_coeffs_ctrl()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_update_coeffs_ctrl(bw_peak_coeffs *BW_RESTRICT coeffs);
|
||||
static inline void bw_peak_update_coeffs_ctrl(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Triggers control-rate update of coefficients in `coeffs`.
|
||||
*
|
||||
* #### bw_peak_update_coeffs_audio()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_update_coeffs_audio(bw_peak_coeffs *BW_RESTRICT coeffs);
|
||||
static inline void bw_peak_update_coeffs_audio(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Triggers audio-rate update of coefficients in `coeffs`.
|
||||
*
|
||||
* #### bw_peak_process1()
|
||||
* ```>>> */
|
||||
static inline float bw_peak_process1(const bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_state *BW_RESTRICT state, float x);
|
||||
static inline float bw_peak_process1(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT state,
|
||||
float x);
|
||||
/*! <<<```
|
||||
* Processes one input sample `x` using `coeffs`, while using and updating
|
||||
* `state`. Returns the corresponding output sample.
|
||||
*
|
||||
* #### bw_peak_process()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_process(bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_state *BW_RESTRICT state, const float *x, float *y, size_t n_samples);
|
||||
static inline void bw_peak_process(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT state,
|
||||
const float * x,
|
||||
float * y,
|
||||
size_t n_samples);
|
||||
/*! <<<```
|
||||
* Processes the first `n_samples` of the input buffer `x` and fills the
|
||||
* first `n_samples` of the output buffer `y`, while using and updating both
|
||||
@ -154,7 +197,13 @@ static inline void bw_peak_process(bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_s
|
||||
*
|
||||
* #### bw_peak_process_multi()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_process_multi(bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_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_peak_process_multi(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT const * BW_RESTRICT state,
|
||||
const float * const * x,
|
||||
float * const * y,
|
||||
size_t n_channels,
|
||||
size_t n_samples);
|
||||
/*! <<<```
|
||||
* Processes the first `n_samples` of the `n_channels` input buffers `x` and
|
||||
* fills the first `n_samples` of the `n_channels` output buffers `y`, while
|
||||
@ -163,55 +212,147 @@ static inline void bw_peak_process_multi(bw_peak_coeffs *BW_RESTRICT coeffs, bw_
|
||||
*
|
||||
* #### bw_peak_set_cutoff()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_cutoff(bw_peak_coeffs *BW_RESTRICT coeffs, float value);
|
||||
static inline void bw_peak_set_cutoff(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value);
|
||||
/*! <<<```
|
||||
* Sets the cutoff frequency `value` (Hz) in `coeffs`.
|
||||
*
|
||||
* Valid range: [`1e-6f`, `1e12f`].
|
||||
*
|
||||
* Default value: `1e3f`.
|
||||
*
|
||||
* #### bw_peak_set_Q()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_Q(bw_peak_coeffs *BW_RESTRICT coeffs, float value);
|
||||
static inline void bw_peak_set_Q(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value);
|
||||
/*! <<<```
|
||||
* Sets the quality factor to the given `value` in `coeffs`.
|
||||
*
|
||||
* `value` must be equal or bigger than `0.5f`.
|
||||
* Valid range: [`1e-6f`, `1e6f`].
|
||||
*
|
||||
* Default value: `0.5f`.
|
||||
*
|
||||
* #### bw_peak_set_prewarp_at_cutoff()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_prewarp_at_cutoff(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
char value);
|
||||
/*! <<<```
|
||||
* Sets whether bilinear transform prewarping frequency should match the
|
||||
* cutoff frequency (non-`0`) or not (`0`).
|
||||
*
|
||||
* Default value: non-`0` (on).
|
||||
*
|
||||
* #### bw_peak_set_prewarp_freq()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_prewarp_freq(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value);
|
||||
/*! <<<```
|
||||
* Sets the prewarping frequency `value` (Hz) in `coeffs`.
|
||||
*
|
||||
* Only used when the prewarp\_at\_cutoff parameter is off and however
|
||||
* internally limited to avoid instability.
|
||||
*
|
||||
* Valid range: [`1e-6f`, `1e12f`].
|
||||
*
|
||||
* Default value: `1e3f`.
|
||||
*
|
||||
* #### bw_peak_set_peak_gain_lin()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_peak_gain_lin(bw_peak_coeffs *BW_RESTRICT coeffs, float value);
|
||||
static inline void bw_peak_set_peak_gain_lin(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value);
|
||||
/*! <<<```
|
||||
* Sets the peak gain parameter to the given `value` (linear gain) in
|
||||
* `coeffs`.
|
||||
*
|
||||
* Default value: `0.f`.
|
||||
* `value` must be finite and positive.
|
||||
*
|
||||
* If actually using the bandwidth parameter to control Q, by the time
|
||||
* `bw_peak_update_coeffs_ctrl()`, `bw_peak_update_coeffs_audio()`,
|
||||
* `bw_peak_process1()`, `bw_peak_process()`, or `bw_peak_process_multi()` is
|
||||
* called, `bw_sqrtf(bw_pow2f(bandwidth) * peak_gain)
|
||||
* * bw_rcpf(bw_pow2f(bandwidth) - 1.f)` must be in [`1e-6f`, `1e6f`].
|
||||
*
|
||||
* Default value: `1.f`.
|
||||
*
|
||||
* #### bw_peak_set_peak_gain_dB()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_peak_gain_dB(bw_peak_coeffs *BW_RESTRICT coeffs, float value);
|
||||
static inline void bw_peak_set_peak_gain_dB(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value);
|
||||
/*! <<<```
|
||||
* Sets the peak gain parameter to the given `value` (dB) in `coeffs`.
|
||||
*
|
||||
* Default value: `-INFINITY`.
|
||||
* `value` must be finite.
|
||||
*
|
||||
* If actually using the bandwidth parameter to control Q, by the time
|
||||
* `bw_peak_update_coeffs_ctrl()`, `bw_peak_update_coeffs_audio()`,
|
||||
* `bw_peak_process1()`, `bw_peak_process()`, or `bw_peak_process_multi()` is
|
||||
* called, `bw_sqrtf(bw_pow2f(bandwidth) * peak_gain)
|
||||
* * bw_rcpf(bw_pow2f(bandwidth) - 1.f)` must be in [`1e-6f`, `1e6f`].
|
||||
*
|
||||
* Default value: `0.f`.
|
||||
*
|
||||
* #### bw_peak_set_bandiwdth()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_bandwidth(bw_peak_coeffs *BW_RESTRICT coeffs, float value);
|
||||
static inline void bw_peak_set_bandwidth(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value);
|
||||
/*! <<<```
|
||||
* Sets the bandwidth `value` (octaves) in `coeffs`.
|
||||
*
|
||||
* Default value: `0.5f`.
|
||||
* If actually using the bandwidth parameter to control Q, by the time
|
||||
* `bw_peak_update_coeffs_ctrl()`, `bw_peak_update_coeffs_audio()`,
|
||||
* `bw_peak_process1()`, `bw_peak_process()`, or `bw_peak_process_multi()` is
|
||||
* called, `bw_sqrtf(bw_pow2f(bandwidth) * peak_gain)
|
||||
* * bw_rcpf(bw_pow2f(bandwidth) - 1.f)` must be in [`1e-6f`, `1e6f`].
|
||||
*
|
||||
* Valid range: [`1e-6f`, `90.f`].
|
||||
*
|
||||
* Default value: `2.543106606327224f`.
|
||||
*
|
||||
* #### bw_peak_set_use_bandwidth()
|
||||
* ```>>> */
|
||||
static inline void bw_peak_set_use_bandwidth(bw_peak_coeffs *BW_RESTRICT coeffs, char value);
|
||||
static inline void bw_peak_set_use_bandwidth(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
char value);
|
||||
/*! <<<```
|
||||
* Sets whether the quality factor should be controlled via the bandwidth
|
||||
* parameter (`value` non-`0`) or via the Q parameter (`0`).
|
||||
*
|
||||
* Default value: non-`0` (use bandwidth parameter).
|
||||
*
|
||||
* #### bw_peak_coeffs_is_valid()
|
||||
* ```>>> */
|
||||
static inline char bw_peak_coeffs_is_valid(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs);
|
||||
/*! <<<```
|
||||
* Tries to determine whether `coeffs` is valid and returns non-`0` if it
|
||||
* seems to be the case and `0` if it is certainly not. False positives are
|
||||
* possible, false negatives are not.
|
||||
*
|
||||
* `coeffs` must at least point to a readable memory block of size greater
|
||||
* than or equal to that of `bw_peak_coeffs`.
|
||||
*
|
||||
* #### bw_peak_state_is_valid()
|
||||
* ```>>> */
|
||||
static inline char bw_peak_state_is_valid(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
const bw_peak_state * BW_RESTRICT state);
|
||||
/*! <<<```
|
||||
* Tries to determine whether `state` is valid and returns non-`0` if it
|
||||
* seems to be the case and `0` if it is certainly not. False positives are
|
||||
* possible, false negatives are not.
|
||||
*
|
||||
* If `coeffs` is not `NULL` extra cross-checks might be performed (`state`
|
||||
* is supposed to be associated to `coeffs`).
|
||||
*
|
||||
* `state` must at least point to a readable memory block of size greater
|
||||
* than or equal to that of `bw_peak_state`.
|
||||
* }}} */
|
||||
|
||||
#ifdef __cplusplus
|
||||
@ -230,42 +371,87 @@ static inline void bw_peak_set_use_bandwidth(bw_peak_coeffs *BW_RESTRICT coeffs,
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
enum bw_peak_coeffs_state {
|
||||
bw_peak_coeffs_state_invalid,
|
||||
bw_peak_coeffs_state_init,
|
||||
bw_peak_coeffs_state_set_sample_rate,
|
||||
bw_peak_coeffs_state_reset_coeffs
|
||||
};
|
||||
#endif
|
||||
|
||||
struct bw_peak_coeffs {
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
uint32_t hash;
|
||||
enum bw_peak_coeffs_state state;
|
||||
uint32_t reset_id;
|
||||
#endif
|
||||
|
||||
// Sub-components
|
||||
bw_mm2_coeffs mm2_coeffs;
|
||||
bw_mm2_coeffs mm2_coeffs;
|
||||
|
||||
// Coefficients
|
||||
float bw_k;
|
||||
float bw_k;
|
||||
|
||||
// Parameters
|
||||
float peak_gain;
|
||||
float Q;
|
||||
float bandwidth;
|
||||
char use_bandwidth;
|
||||
int param_changed;
|
||||
float Q;
|
||||
float peak_gain;
|
||||
float bandwidth;
|
||||
char use_bandwidth;
|
||||
int param_changed;
|
||||
};
|
||||
|
||||
struct bw_peak_state {
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
uint32_t hash;
|
||||
uint32_t coeffs_reset_id;
|
||||
#endif
|
||||
|
||||
bw_mm2_state mm2_state;
|
||||
};
|
||||
|
||||
#define BW_PEAK_PARAM_PEAK_GAIN 1
|
||||
#define BW_PEAK_PARAM_Q (1<<1)
|
||||
#define BW_PEAK_PARAM_Q 1
|
||||
#define BW_PEAK_PARAM_PEAK_GAIN (1<<1)
|
||||
#define BW_PEAK_PARAM_BANDWIDTH (1<<2)
|
||||
|
||||
static inline void bw_peak_init(bw_peak_coeffs *BW_RESTRICT coeffs) {
|
||||
static inline void bw_peak_init(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
|
||||
bw_mm2_init(&coeffs->mm2_coeffs);
|
||||
coeffs->peak_gain = 1.f;
|
||||
coeffs->Q = 0.5f;
|
||||
coeffs->peak_gain = 1.f;
|
||||
coeffs->bandwidth = 2.543106606327224f;
|
||||
coeffs->use_bandwidth = 1;
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
coeffs->hash = bw_hash_sdbm("bw_peak_coeffs");
|
||||
coeffs->state = bw_peak_coeffs_state_init;
|
||||
coeffs->reset_id = coeffs->hash + 1;
|
||||
#endif
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state == bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_sample_rate(bw_peak_coeffs *BW_RESTRICT coeffs, float sample_rate) {
|
||||
static inline void bw_peak_set_sample_rate(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float sample_rate) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(sample_rate) && sample_rate > 0.f);
|
||||
|
||||
bw_mm2_set_sample_rate(&coeffs->mm2_coeffs, sample_rate);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
coeffs->state = bw_peak_coeffs_state_set_sample_rate;
|
||||
#endif
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state == bw_peak_coeffs_state_set_sample_rate);
|
||||
}
|
||||
|
||||
static inline void bw_peak_update_mm2_params(bw_peak_coeffs *BW_RESTRICT coeffs) {
|
||||
static inline void bw_peak_update_mm2_params(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs) {
|
||||
if (coeffs->param_changed) {
|
||||
if (coeffs->use_bandwidth) {
|
||||
if (coeffs->param_changed & (BW_PEAK_PARAM_PEAK_GAIN | BW_PEAK_PARAM_BANDWIDTH)) {
|
||||
@ -286,51 +472,214 @@ static inline void bw_peak_update_mm2_params(bw_peak_coeffs *BW_RESTRICT coeffs)
|
||||
}
|
||||
}
|
||||
|
||||
static inline void bw_peak_reset_coeffs(bw_peak_coeffs *BW_RESTRICT coeffs) {
|
||||
static inline void bw_peak_reset_coeffs(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_set_sample_rate);
|
||||
|
||||
coeffs->param_changed = ~0;
|
||||
bw_peak_update_mm2_params(coeffs);
|
||||
bw_mm2_reset_coeffs(&coeffs->mm2_coeffs);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
coeffs->state = bw_peak_coeffs_state_reset_coeffs;
|
||||
coeffs->reset_id++;
|
||||
#endif
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state == bw_peak_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_peak_reset_state(const bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_state *BW_RESTRICT state, float x_0) {
|
||||
static inline float bw_peak_reset_state(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT state,
|
||||
float x_0) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT(bw_is_finite(x_0));
|
||||
|
||||
const float y = x_0;
|
||||
bw_mm2_reset_state(&coeffs->mm2_coeffs, &state->mm2_state, x_0);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
state->hash = bw_hash_sdbm("bw_peak_state");
|
||||
state->coeffs_reset_id = coeffs->reset_id;
|
||||
#endif
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(bw_peak_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(bw_is_finite(y));
|
||||
|
||||
return y;
|
||||
}
|
||||
|
||||
static inline void bw_peak_update_coeffs_ctrl(bw_peak_coeffs *BW_RESTRICT coeffs) {
|
||||
static inline void bw_peak_reset_state_multi(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT const * BW_RESTRICT state,
|
||||
const float * x_0,
|
||||
float * y_0,
|
||||
size_t n_channels) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT(x_0 != NULL);
|
||||
|
||||
if (y_0 != NULL)
|
||||
for (size_t i = 0; i < n_channels; i++)
|
||||
y_0[i] = bw_peak_reset_state(coeffs, state[i], x_0[i]);
|
||||
else
|
||||
for (size_t i = 0; i < n_channels; i++)
|
||||
bw_peak_reset_state(coeffs, state[i], x_0[i]);
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(y_0 != NULL ? bw_has_only_finite(y_0, n_channels) : 1);
|
||||
}
|
||||
|
||||
static inline void bw_peak_update_coeffs_ctrl(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(coeffs->use_bandwidth
|
||||
? bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) >= 1e-6f
|
||||
&& bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) <= 1e6f
|
||||
: coeffs->Q >= 1e-6 && coeffs->Q <= 1e6);
|
||||
|
||||
bw_peak_update_mm2_params(coeffs);
|
||||
bw_mm2_update_coeffs_ctrl(&coeffs->mm2_coeffs);
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_peak_update_coeffs_audio(bw_peak_coeffs *BW_RESTRICT coeffs) {
|
||||
static inline void bw_peak_update_coeffs_audio(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(coeffs->use_bandwidth
|
||||
? bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) >= 1e-6f
|
||||
&& bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) <= 1e6f
|
||||
: coeffs->Q >= 1e-6 && coeffs->Q <= 1e6);
|
||||
|
||||
bw_mm2_update_coeffs_audio(&coeffs->mm2_coeffs);
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline float bw_peak_process1(const bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_state *BW_RESTRICT state, float x) {
|
||||
return bw_mm2_process1(&coeffs->mm2_coeffs, &state->mm2_state, x);
|
||||
static inline float bw_peak_process1(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT state,
|
||||
float x) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(coeffs->use_bandwidth
|
||||
? bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) >= 1e-6f
|
||||
&& bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) <= 1e6f
|
||||
: coeffs->Q >= 1e-6 && coeffs->Q <= 1e6);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(bw_is_finite(x));
|
||||
|
||||
const float y = bw_mm2_process1(&coeffs->mm2_coeffs, &state->mm2_state, x);
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(bw_peak_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(bw_is_finite(y));
|
||||
|
||||
return y;
|
||||
}
|
||||
|
||||
static inline void bw_peak_process(bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_state *BW_RESTRICT state, const float *x, float *y, size_t n_samples) {
|
||||
static inline void bw_peak_process(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_state * BW_RESTRICT state,
|
||||
const float * x,
|
||||
float * y,
|
||||
size_t n_samples) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(coeffs->use_bandwidth
|
||||
? bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) >= 1e-6f
|
||||
&& bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) <= 1e6f
|
||||
: coeffs->Q >= 1e-6 && coeffs->Q <= 1e6);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_state_is_valid(coeffs, state));
|
||||
BW_ASSERT(x != NULL);
|
||||
BW_ASSERT_DEEP(bw_has_only_finite(x, n_samples));
|
||||
BW_ASSERT(y != NULL);
|
||||
|
||||
bw_peak_update_coeffs_ctrl(coeffs);
|
||||
for (size_t i = 0; i < n_samples; i++) {
|
||||
bw_peak_update_coeffs_audio(coeffs);
|
||||
y[i] = bw_peak_process1(coeffs, state, x[i]);
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(bw_peak_state_is_valid(coeffs, state));
|
||||
BW_ASSERT_DEEP(bw_has_only_finite(y, n_samples));
|
||||
}
|
||||
|
||||
static inline void bw_peak_process_multi(bw_peak_coeffs *BW_RESTRICT coeffs, bw_peak_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_peak_process_multi(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
bw_peak_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_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
BW_ASSERT_DEEP(coeffs->use_bandwidth
|
||||
? bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) >= 1e-6f
|
||||
&& bw_sqrtf(bw_pow2f(coeffs->bandwidth) * coeffs->peak_gain) * bw_rcpf(bw_pow2f(coeffs->bandwidth) - 1.f) <= 1e6f
|
||||
: coeffs->Q >= 1e-6 && coeffs->Q <= 1e6);
|
||||
BW_ASSERT(state != NULL);
|
||||
BW_ASSERT(x != NULL);
|
||||
BW_ASSERT(y != NULL);
|
||||
|
||||
bw_peak_update_coeffs_ctrl(coeffs);
|
||||
for (size_t i = 0; i < n_samples; i++) {
|
||||
bw_peak_update_coeffs_audio(coeffs);
|
||||
for (size_t j = 0; j < n_channels; j++)
|
||||
y[j][i] = bw_peak_process1(coeffs, state[j], x[j][i]);
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_reset_coeffs);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_cutoff(bw_peak_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
static inline void bw_peak_set_cutoff(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value >= 1e-6f && value <= 1e12f);
|
||||
|
||||
bw_mm2_set_cutoff(&coeffs->mm2_coeffs, value);
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_Q(bw_peak_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value >= 1e-6f && value <= 1e6f);
|
||||
|
||||
if (coeffs->Q != value) {
|
||||
coeffs->Q = value;
|
||||
#pragma GCC diagnostic push
|
||||
@ -338,9 +687,48 @@ static inline void bw_peak_set_Q(bw_peak_coeffs *BW_RESTRICT coeffs, float value
|
||||
coeffs->param_changed |= BW_PEAK_PARAM_Q;
|
||||
#pragma GCC diagnostic pop
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_peak_gain_lin(bw_peak_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
static inline void bw_peak_set_prewarp_at_cutoff(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
char value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
|
||||
bw_mm2_set_prewarp_at_cutoff(&coeffs->mm2_coeffs, value);
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_prewarp_freq(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value >= 1e-6f && value <= 1e12f);
|
||||
|
||||
bw_mm2_set_prewarp_freq(&coeffs->mm2_coeffs, value);
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_peak_gain_lin(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value > 0.f);
|
||||
|
||||
if (coeffs->peak_gain != value) {
|
||||
coeffs->peak_gain = value;
|
||||
#pragma GCC diagnostic push
|
||||
@ -348,13 +736,34 @@ static inline void bw_peak_set_peak_gain_lin(bw_peak_coeffs *BW_RESTRICT coeffs,
|
||||
coeffs->param_changed |= BW_PEAK_PARAM_PEAK_GAIN;
|
||||
#pragma GCC diagnostic pop
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_peak_gain_dB(bw_peak_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
static inline void bw_peak_set_peak_gain_dB(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
|
||||
bw_peak_set_peak_gain_lin(coeffs, bw_dB2linf(value));
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_bandwidth(bw_peak_coeffs *BW_RESTRICT coeffs, float value) {
|
||||
static inline void bw_peak_set_bandwidth(
|
||||
bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
float value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
BW_ASSERT(bw_is_finite(value));
|
||||
BW_ASSERT(value >= 1e-6f && value <= 90.f);
|
||||
|
||||
if (coeffs->bandwidth != value) {
|
||||
coeffs->bandwidth = value;
|
||||
#pragma GCC diagnostic push
|
||||
@ -362,9 +771,16 @@ static inline void bw_peak_set_bandwidth(bw_peak_coeffs *BW_RESTRICT coeffs, flo
|
||||
coeffs->param_changed |= BW_PEAK_PARAM_BANDWIDTH;
|
||||
#pragma GCC diagnostic pop
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline void bw_peak_set_use_bandwidth(bw_peak_coeffs *BW_RESTRICT coeffs, char value) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
|
||||
if ((coeffs->use_bandwidth && !value) || (!coeffs->use_bandwidth && value)) {
|
||||
coeffs->use_bandwidth = value;
|
||||
#pragma GCC diagnostic push
|
||||
@ -372,10 +788,59 @@ static inline void bw_peak_set_use_bandwidth(bw_peak_coeffs *BW_RESTRICT coeffs,
|
||||
coeffs->param_changed |= BW_PEAK_PARAM_Q | BW_PEAK_PARAM_BANDWIDTH;
|
||||
#pragma GCC diagnostic pop
|
||||
}
|
||||
|
||||
BW_ASSERT_DEEP(bw_peak_coeffs_is_valid(coeffs));
|
||||
BW_ASSERT_DEEP(coeffs->state >= bw_peak_coeffs_state_init);
|
||||
}
|
||||
|
||||
static inline char bw_peak_coeffs_is_valid(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs) {
|
||||
BW_ASSERT(coeffs != NULL);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
if (coeffs->hash != bw_hash_sdbm("bw_peak_coeffs"))
|
||||
return 0;
|
||||
if (coeffs->state < bw_peak_coeffs_state_init || coeffs->state > bw_peak_coeffs_state_reset_coeffs)
|
||||
return 0;
|
||||
#endif
|
||||
|
||||
if (!bw_is_finite(coeffs->Q) || coeffs->Q < 1e-6f || coeffs->Q > 1e6f)
|
||||
return 0;
|
||||
if (!bw_is_finite(coeffs->peak_gain) || coeffs->peak_gain <= 0.f)
|
||||
return 0;
|
||||
if (!bw_is_finite(coeffs->bandwidth) || coeffs->bandwidth < 1e-6f || coeffs->bandwidth > 90.f)
|
||||
return 0;
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
if (coeffs->state >= bw_peak_coeffs_state_reset_coeffs) {
|
||||
if (!bw_is_finite(coeffs->bw_k) || coeffs->bw_k <= 0.f)
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
return bw_mm2_coeffs_is_valid(&coeffs->mm2_coeffs);
|
||||
}
|
||||
|
||||
static inline char bw_peak_state_is_valid(
|
||||
const bw_peak_coeffs * BW_RESTRICT coeffs,
|
||||
const bw_peak_state * BW_RESTRICT state) {
|
||||
BW_ASSERT(state != NULL);
|
||||
|
||||
#ifdef BW_DEBUG_DEEP
|
||||
if (state->hash != bw_hash_sdbm("bw_peak_state"))
|
||||
return 0;
|
||||
|
||||
if (coeffs != NULL && coeffs->reset_id != state->coeffs_reset_id)
|
||||
return 0;
|
||||
#endif
|
||||
|
||||
(void)coeffs;
|
||||
|
||||
return bw_mm2_state_is_valid(&coeffs->mm2_coeffs, &state->mm2_state);
|
||||
}
|
||||
|
||||
#undef BW_PEAK_PARAM_PEAK_GAIN
|
||||
#undef BW_PEAK_PARAM_Q
|
||||
#undef BW_PEAK_PARAM_PEAK_GAIN
|
||||
#undef BW_PEAK_PARAM_BANDWIDTH
|
||||
|
||||
#ifdef __cplusplus
|
||||
@ -395,23 +860,58 @@ class Peak {
|
||||
public:
|
||||
Peak();
|
||||
|
||||
void setSampleRate(float sampleRate);
|
||||
void reset(float x_0 = 0.f);
|
||||
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 setCutoff(float value);
|
||||
void setQ(float value);
|
||||
void setPeakGainLin(float value);
|
||||
void setPeakGainDB(float value);
|
||||
void setBandwidth(float value);
|
||||
void setUseBandwidth(bool value);
|
||||
void setCutoff(
|
||||
float value);
|
||||
|
||||
void setQ(
|
||||
float value);
|
||||
|
||||
void setPrewarpAtCutoff(
|
||||
bool value);
|
||||
|
||||
void setPrewarpFreq(
|
||||
float value);
|
||||
|
||||
void setPeakGainLin(
|
||||
float value);
|
||||
|
||||
void setPeakGainDB(
|
||||
float value);
|
||||
|
||||
void setBandwidth(
|
||||
float value);
|
||||
|
||||
void setUseBandwidth(
|
||||
bool value);
|
||||
/*! <<<...
|
||||
* }
|
||||
* ```
|
||||
@ -423,9 +923,9 @@ public:
|
||||
* change at any time in future versions. Please, do not use it directly. */
|
||||
|
||||
private:
|
||||
bw_peak_coeffs coeffs;
|
||||
bw_peak_state states[N_CHANNELS];
|
||||
bw_peak_state *BW_RESTRICT statesP[N_CHANNELS];
|
||||
bw_peak_coeffs coeffs;
|
||||
bw_peak_state states[N_CHANNELS];
|
||||
bw_peak_state * BW_RESTRICT statesP[N_CHANNELS];
|
||||
};
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
@ -436,60 +936,107 @@ inline Peak<N_CHANNELS>::Peak() {
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::setSampleRate(float sampleRate) {
|
||||
inline void Peak<N_CHANNELS>::setSampleRate(
|
||||
float sampleRate) {
|
||||
bw_peak_set_sample_rate(&coeffs, sampleRate);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::reset(float x_0) {
|
||||
inline void Peak<N_CHANNELS>::reset(
|
||||
float x0,
|
||||
float * BW_RESTRICT y0) {
|
||||
bw_peak_reset_coeffs(&coeffs);
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
bw_peak_reset_state(&coeffs, states + i, x_0);
|
||||
if (y0 != nullptr)
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
y0[i] = bw_peak_reset_state(&coeffs, states + i, x0);
|
||||
else
|
||||
for (size_t i = 0; i < N_CHANNELS; i++)
|
||||
bw_peak_reset_state(&coeffs, states + i, x0);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::reset(
|
||||
float x0,
|
||||
std::array<float, N_CHANNELS> * BW_RESTRICT y0) {
|
||||
reset(x0, y0 != nullptr ? y0->data() : y0);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::reset(
|
||||
const float * x0,
|
||||
float * y0) {
|
||||
bw_peak_reset_coeffs(&coeffs);
|
||||
bw_peak_reset_state_multi(&coeffs, statesP, x0, y0, N_CHANNELS);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<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 Peak<N_CHANNELS>::process(
|
||||
const float * const *x,
|
||||
float * const *y,
|
||||
size_t nSamples) {
|
||||
const float * const * x,
|
||||
float * const * y,
|
||||
size_t nSamples) {
|
||||
bw_peak_process_multi(&coeffs, statesP, x, y, N_CHANNELS, nSamples);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<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 Peak<N_CHANNELS>::setCutoff(float value) {
|
||||
inline void Peak<N_CHANNELS>::setCutoff(
|
||||
float value) {
|
||||
bw_peak_set_cutoff(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::setQ(float value) {
|
||||
inline void Peak<N_CHANNELS>::setQ(
|
||||
float value) {
|
||||
bw_peak_set_Q(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::setPeakGainLin(float value) {
|
||||
inline void Peak<N_CHANNELS>::setPrewarpAtCutoff(
|
||||
bool value) {
|
||||
bw_peak_set_prewarp_at_cutoff(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::setPrewarpFreq(
|
||||
float value) {
|
||||
bw_peak_set_prewarp_freq(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::setPeakGainLin(
|
||||
float value) {
|
||||
bw_peak_set_peak_gain_lin(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::setPeakGainDB(float value) {
|
||||
inline void Peak<N_CHANNELS>::setPeakGainDB(
|
||||
float value) {
|
||||
bw_peak_set_peak_gain_dB(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::setBandwidth(float value) {
|
||||
inline void Peak<N_CHANNELS>::setBandwidth(
|
||||
float value) {
|
||||
bw_peak_set_bandwidth(&coeffs, value);
|
||||
}
|
||||
|
||||
template<size_t N_CHANNELS>
|
||||
inline void Peak<N_CHANNELS>::setUseBandwidth(bool value) {
|
||||
inline void Peak<N_CHANNELS>::setUseBandwidth(
|
||||
bool value) {
|
||||
bw_peak_set_use_bandwidth(&coeffs, value);
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user