annotate projects/heavy/hello-world/HvContext_bbb.c @ 162:c3e8226a5651 heavy-updated

- added additional flags to C rules (-DNDEBUG, -mfpu=neon)
- sample-accurate envelope triggering pd/heavy example

/**
 * Copyright (c) 2014,2015 Enzien Audio, Ltd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, and/or
 * sublicense copies of the Software, strictly on a non-commercial basis,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * DO NOT MODIFY. THIS CODE IS MACHINE GENERATED BY THE SECTION6 HEAVY COMPILER.
 */

/*
 * System Includes
 */

#include <assert.h>
#include <math.h>
#include <string.h>
#include <stdarg.h>
#include "HvContext_bbb.h"
#include "HeavyMath.h"


/*
 * Function Declarations
 */



/*
 * Static Helper Functions
 */

static void ctx_intern_scheduleMessageForReceiver(
    HvBase *const _c, const char *name, HvMessage *m) {
  switch (msg_symbolToHash(name)) {
    default: return;
  }
}

static struct HvTable *ctx_intern_getTableForHash(HvBase *const _c, hv_uint32_t h) {
  switch (h) {
    default: return NULL;
  }
}



/*
 * Context Include and Implementatons
 */

Hv_bbb *hv_bbb_new_with_pool(double sampleRate, int poolKb) {
  hv_assert(sampleRate > 0.0); // can't initialise with sampling rate of 0
  hv_assert(poolKb >= 1); // a message pool of some reasonable size is always needed
  Hv_bbb *const _c = (Hv_bbb *) hv_malloc(sizeof(Hv_bbb));

  Base(_c)->numInputChannels = 0;
  Base(_c)->numOutputChannels = 2;
  Base(_c)->sampleRate = sampleRate;
  Base(_c)->blockStartTimestamp = 0;
  Base(_c)->f_scheduleMessageForReceiver = &ctx_intern_scheduleMessageForReceiver;
  Base(_c)->f_getTableForHash = &ctx_intern_getTableForHash;
  mq_initWithPoolSize(&Base(_c)->mq, poolKb);
  Base(_c)->basePath = NULL;
  Base(_c)->printHook = NULL;
  Base(_c)->sendHook = NULL;
  Base(_c)->userData = NULL;
  Base(_c)->name = "bbb";

  Base(_c)->numBytes = sizeof(Hv_bbb);
  Base(_c)->numBytes += sPhasor_k_init(&_c->sPhasor_XIjUg, 440.0f, sampleRate);

  // loadbang

  return _c;
}

Hv_bbb *hv_bbb_new(double sampleRate) {
  return hv_bbb_new_with_pool(sampleRate, 10); // default to 10KB MessagePool
}

void hv_bbb_free(Hv_bbb *_c) {

  hv_free(Base(_c)->basePath);
  mq_free(&Base(_c)->mq); // free queue after all objects have been freed, messages may be cancelled

  hv_free(_c);
}



/*
 * Static Function Implementation
 */



/*
 * Context Process Implementation
 */

int hv_bbb_process(Hv_bbb *const _c, float **const inputBuffers, float **const outputBuffers, int nx) {
  const int n4 = nx & ~HV_N_SIMD_MASK; // ensure that the block size is a multiple of HV_N_SIMD

  // temporary signal vars
  hv_bufferf_t Bf0, Bf1, Bf2, Bf3, Bf4;

  // input and output vars
  hv_bufferf_t O0, O1;

  // declare and init the zero buffer
  hv_bufferf_t ZERO; __hv_zero_f(VOf(ZERO));

  hv_uint32_t nextBlock = Base(_c)->blockStartTimestamp;
  for (int n = 0; n < n4; n += HV_N_SIMD) {

    // process all of the messages for this block
    nextBlock += HV_N_SIMD;
    while (mq_hasMessageBefore(&Base(_c)->mq, nextBlock)) {
      MessageNode *const node = mq_peek(&Base(_c)->mq);
      node->sendMessage(Base(_c), node->let, node->m);
      mq_pop(&Base(_c)->mq);
    }

    

    // zero output buffers
    __hv_zero_f(VOf(O0));
    __hv_zero_f(VOf(O1));

    // process all signal functions
    __hv_phasor_k_f(&_c->sPhasor_XIjUg, VOf(Bf0));
    __hv_var_k_f(VOf(Bf1), 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0);
    __hv_sub_f(VIf(Bf0), VIf(Bf1), VOf(Bf1));
    __hv_abs_f(VIf(Bf1), VOf(Bf1));
    __hv_var_k_f(VOf(Bf0), 0.25f, 0.25f, 0.25f, 0.25f, 0.25f, 0.25f, 0.25f, 0.25f, 0);
    __hv_sub_f(VIf(Bf1), VIf(Bf0), VOf(Bf0));
    __hv_var_k_f(VOf(Bf1), 6.28319f, 6.28319f, 6.28319f, 6.28319f, 6.28319f, 6.28319f, 6.28319f, 6.28319f, 0);
    __hv_mul_f(VIf(Bf0), VIf(Bf1), VOf(Bf1));
    __hv_mul_f(VIf(Bf1), VIf(Bf1), VOf(Bf0));
    __hv_mul_f(VIf(Bf1), VIf(Bf0), VOf(Bf2));
    __hv_mul_f(VIf(Bf2), VIf(Bf0), VOf(Bf0));
    __hv_var_k_f(VOf(Bf3), 0.00784314f, 0.00784314f, 0.00784314f, 0.00784314f, 0.00784314f, 0.00784314f, 0.00784314f, 0.00784314f, 0);
    __hv_var_k_f(VOf(Bf4), 0.166667f, 0.166667f, 0.166667f, 0.166667f, 0.166667f, 0.166667f, 0.166667f, 0.166667f, 0);
    __hv_mul_f(VIf(Bf2), VIf(Bf4), VOf(Bf4));
    __hv_sub_f(VIf(Bf1), VIf(Bf4), VOf(Bf4));
    __hv_fma_f(VIf(Bf0), VIf(Bf3), VIf(Bf4), VOf(Bf4));
    __hv_var_k_f(VOf(Bf3), 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0);
    __hv_mul_f(VIf(Bf4), VIf(Bf3), VOf(Bf3));
    __hv_add_f(VIf(Bf3), VIf(O0), VOf(O0));
    __hv_add_f(VIf(Bf3), VIf(O1), VOf(O1));

    // save output vars to output buffer
    __hv_store_f(outputBuffers[0]+n, VIf(O0));
    __hv_store_f(outputBuffers[1]+n, VIf(O1));
  }

  Base(_c)->blockStartTimestamp = nextBlock;

  return n4; // return the number of frames processed
}

int hv_bbb_process_inline(Hv_bbb *c, float *const inputBuffers, float *const outputBuffers, int n4) {
  hv_assert(!(n4 & HV_N_SIMD_MASK)); // ensure that n4 is a multiple of HV_N_SIMD
  int i = ctx_getNumInputChannels(Base(c));
  float **bIn = (float **) hv_alloca(i*sizeof(float *));
  while (i--) bIn[i] = inputBuffers+(i*n4);

  i = ctx_getNumOutputChannels(Base(c));
  float **bOut = (float **) hv_alloca(i*sizeof(float *));
  while (i--) bOut[i] = outputBuffers+(i*n4);

  int n = hv_bbb_process(c, bIn, bOut, n4);
  return n;
}

int hv_bbb_process_inline_short(Hv_bbb *c, short *const inputBuffers, short *const outputBuffers, int n4) {
  hv_assert(!(n4 & HV_N_SIMD_MASK)); // ensure that n4 is a multiple of HV_N_SIMD
  int numChannels = ctx_getNumInputChannels(Base(c));
  float *bIn = (float *) hv_alloca(numChannels*n4*sizeof(float));
  for (int i = 0; i < numChannels; ++i) {
    for (int j = 0; j < n4; ++j) {
      bIn[i*n4+j] = ((float) inputBuffers[i+numChannels*j]) * 0.00003051757813f;
    }
  }

  numChannels = ctx_getNumOutputChannels(Base(c));
  float *bOut = (float *) hv_alloca(numChannels*n4*sizeof(float));

  int n = hv_bbb_process_inline(c, bIn, bOut, n4);

  for (int i = 0; i < numChannels; ++i) {
    for (int j = 0; j < n4; ++j) {
      outputBuffers[i+numChannels*j] = (short) (bOut[i*n4+j] * 32767.0f);
    }
  }

  return n;
}