Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
Campbell Barton 40cabe
#include <cstring></cstring>
Campbell Barton 40cabe
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#include "tsop.h"
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#include "tsound_t.h"
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Shinya Kitaoka 120a6e
// TRop::ResampleFilterType Tau_resample_filter = Hamming3;
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//---------------------------------------------------------
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typedef enum {
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  FLT_NONE,
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  FLT_TRIANGLE, /* triangle filter */
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  FLT_MITCHELL, /* Mitchell-Netravali filter */
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  FLT_CUBIC_5,  /* cubic convolution, a = .5 */
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  FLT_CUBIC_75, /* cubic convolution, a = .75 */
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  FLT_CUBIC_1,  /* cubic convolution, a = 1 */
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  FLT_HANN2,    /* Hann window, rad = 2 */
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  FLT_HANN3,    /* Hann window, rad = 3 */
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  FLT_HAMMING2, /* Hamming window, rad = 2 */
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  FLT_HAMMING3, /* Hamming window, rad = 3 */
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  FLT_LANCZOS2, /* Lanczos window, rad = 2 */
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  FLT_LANCZOS3, /* Lanczos window, rad = 3 */
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  FLT_GAUSS,    /* Gaussian convolution */
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  FLT_HOW_MANY
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} FLT_TYPE;
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//---------------------------------------------------------
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typedef enum {
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  RESORDER_NONE,
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  RESORDER_BITS_RATE_CHANS,
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  RESORDER_CHANS_RATE_BITS,
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  RESORDER_RATE_BITS_CHANS,
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  RESORDER_CHANS_BITS_RATE,
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  RESORDER_BITS_RATE,
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  RESORDER_RATE_BITS,
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  RESORDER_CHANS_RATE,
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  RESORDER_RATE_CHANS,
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  RESORDER_RATE,
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  RESORDER_SIGN,
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  RESORDER_HOW_MANY
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} RESORDER_TYPE;
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//---------------------------------------------------------
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typedef struct {
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  int src_offset; /* of weight[0] relative to start of period */
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  int n_weights;
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  double *weight; /* [n_weights],  -1.0 <= weight <= 1.0 */
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} WEIGHTSET;
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//---------------------------------------------------------
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typedef struct {
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  int src_period; /* after a period src and dst are in step again */
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  int dst_period;
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  WEIGHTSET *weightset; /* [dst_period] */
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} FILTER;
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//---------------------------------------------------------
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#define M_PIF float(M_PI)
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#define SINC0(x, a) (sin((M_PI / (a)) * (x)) / ((M_PI / (a)) * (x)))
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#define SINC0F(x, a) (sinf((M_PIF / (a)) * (x)) / ((M_PIF / (a)) * (x)))
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#define SINC(x, a) ((x) == 0.0 ? 1.0 : SINC0(x, a))
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#define SINCF(x, a) ((x) == 0.0F ? 1.0F : SINC0F(x, a))
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#define FULL_INT_MUL_DIV(X, Y, Z) ((int)(((double)(X) * (Y) + ((Z)-1)) / (Z)))
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// prototipi
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void convert(TSoundTrackP &dst, const TSoundTrackP &src);
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namespace {
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//---------------------------------------------------------
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void simplifyRatio(int *p_a, int *p_b) {
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  int a = *p_a, b = *p_b;
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  while (a != b)
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    if (a > b)
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      a -= b;
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    else
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      b -= a;
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  if (a != 1) {
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    *p_a /= a;
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    *p_b /= a;
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  }
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}
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//---------------------------------------------------------
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int getFilterRadius(FLT_TYPE flt_type) {
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  int result = 0;
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  switch (flt_type) {
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  case FLT_TRIANGLE:
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    result = 1;
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    break;
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  case FLT_MITCHELL:
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    result = 2;
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    break;
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  case FLT_CUBIC_5:
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    result = 2;
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    break;
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  case FLT_CUBIC_75:
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    result = 2;
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    break;
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  case FLT_CUBIC_1:
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    result = 2;
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    break;
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  case FLT_HANN2:
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    result = 2;
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    break;
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  case FLT_HANN3:
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    result = 3;
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    break;
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  case FLT_HAMMING2:
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    result = 2;
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    break;
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  case FLT_HAMMING3:
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    result = 3;
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    break;
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  case FLT_LANCZOS2:
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    result = 2;
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    break;
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  case FLT_LANCZOS3:
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    result = 3;
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    break;
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  case FLT_GAUSS:
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    result = 2;
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    break;
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  default:
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    assert(!"bad filter type");
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    break;
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  }
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  return result;
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}
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//---------------------------------------------------------
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double filterValue(FLT_TYPE flt_type, double x) {
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  if (!x) return 1.0;
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  double result;
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  switch (flt_type) {
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  case FLT_TRIANGLE:
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    if (x < -1.0)
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      result = 0.0;
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    else if (x < 0.0)
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      result = 1.0 + x;
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    else if (x < 1.0)
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      result = 1.0 - x;
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    else
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      result = 0.0;
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    break;
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  case FLT_MITCHELL: {
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    static double p0, p2, p3, q0, q1, q2, q3;
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    if (!p0) {
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      const double b = 1.0 / 3.0;
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      const double c = 1.0 / 3.0;
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      p0 = (6.0 - 2.0 * b) / 6.0;
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      p2 = (-18.0 + 12.0 * b + 6.0 * c) / 6.0;
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      p3 = (12.0 - 9.0 * b - 6.0 * c) / 6.0;
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      q0 = (8.0 * b + 24.0 * c) / 6.0;
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      q1 = (-12.0 * b - 48.0 * c) / 6.0;
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      q2 = (6.0 * b + 30.0 * c) / 6.0;
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      q3 = (-b - 6.0 * c) / 6.0;
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    }
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    if (x < -2.0)
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      result = 0.0;
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    else if (x < -1.0)
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      result = (q0 - x * (q1 - x * (q2 - x * q3)));
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    else if (x < 0.0)
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      result = (p0 + x * x * (p2 - x * p3));
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    else if (x < 1.0)
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      result = (p0 + x * x * (p2 + x * p3));
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    else if (x < 2.0)
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      result = (q0 + x * (q1 + x * (q2 + x * q3)));
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    break;
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  }
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  case FLT_CUBIC_5:
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    if (x < 0.0)
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      x = -x;
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    else if (x < 1.0)
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      result = 2.5 * x * x * x - 3.5 * x * x + 1;
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    else if (x < 2.0)
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      result = 0.5 * x * x * x - 2.5 * x * x + 4 * x - 2;
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    break;
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  case FLT_CUBIC_75:
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    if (x < 0.0)
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      x = -x;
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    else if (x < 1.0)
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      result = 2.75 * x * x * x - 3.75 * x * x + 1;
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    else if (x < 2.0)
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      result = 0.75 * x * x * x - 3.75 * x * x + 6 * x - 3;
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    break;
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  case FLT_CUBIC_1:
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    if (x < 0.0)
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      x = -x;
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    else if (x < 1.0)
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      result = 3 * x * x * x - 4 * x * x + 1;
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    else if (x < 2.0)
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      result = x * x * x - 5 * x * x + 8 * x - 4;
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    break;
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  case FLT_HANN2:
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    if (x <= -2.0)
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      result = 0.0;
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    else if (x < 2.0)
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      result = SINC0(x, 1) * (0.5 + 0.5 * cos(M_PI_2 * x));
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    break;
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  case FLT_HANN3:
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    if (x <= -3.0)
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      result = 0.0;
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    else if (x < 3.0)
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      result = SINC0(x, 1) * (0.5 + 0.5 * cos((M_PI / 3) * x));
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    break;
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  case FLT_HAMMING2:
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    if (x <= -2.0)
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      result = 0.0;
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    else if (x < 2.0)
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      result = SINC0(x, 1) * (0.54 + 0.46 * cos(M_PI_2 * x));
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    break;
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  case FLT_HAMMING3:
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    if (x <= -3.0)
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      result = 0.0;
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    else if (x < 3.0)
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      result = SINC0(x, 1) * (0.54 + 0.46 * cos((M_PI / 3) * x));
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    break;
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  case FLT_LANCZOS2:
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    if (x <= -2.0)
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      result = 0.0;
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    else if (x < 2.0)
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      result = SINC0(x, 1) * SINC0(x, 2);
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    break;
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  case FLT_LANCZOS3:
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    if (x <= -3.0)
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      result = 0.0;
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    else if (x < 3.0)
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      result = SINC0(x, 1) * SINC0(x, 3);
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    break;
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  case FLT_GAUSS:
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    if (x <= -2.0)
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      result = 0.0;
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    else if (x < 2.0)
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      result = exp((-M_PI) * x * x);
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    /* exp(-M_PI*2*2)~=3.5*10^-6 */
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    break;
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  default:
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    assert(!"bad filter type");
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  }
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  return result;
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}
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//---------------------------------------------------------
Toshihiro Shimizu 890ddd
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}  // namespace
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//==============================================================================
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template <class class="" t1,="" t2=""></class>
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void convertSamplesT(TSoundTrackT<t1> &dst, const TSoundTrackT<t2> &src) {</t2></t1>
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  const T2 *srcSample = src.samples();
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  T1 *dstSample       = dst.samples();
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  const T2 *srcEndSample =
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      srcSample + std::min(src.getSampleCount(), dst.getSampleCount());
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  while (srcSample < srcEndSample) {
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    *dstSample = T1::from(*srcSample);
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    ++dstSample;
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    ++srcSample;
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  }
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}
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//==============================================================================
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template <class t=""></class>
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T *resampleT(T &src, TINT32 sampleRate, FLT_TYPE flt_type) {
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  typedef typename T::SampleType SampleType;
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  typedef typename T::SampleType::ChannelValueType ChannelValueType;
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  T *dst = new TSoundTrackT<sampletype>(</sampletype>
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      sampleRate, src.getChannelCount(),
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      (TINT32)(src.getSampleCount() *
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               (sampleRate / (double)src.getSampleRate())));
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  double src_rad, f, src_f0, src_to_f;
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  double weight, weightsum;
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  int iw, is, s0, ip, first, last;
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  FILTER filter;
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  filter.src_period = (int)src.getSampleRate();
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  filter.dst_period = (int)dst->getSampleRate();
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  simplifyRatio(&filter.src_period, &filter.dst_period);
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  filter.weightset = new WEIGHTSET[filter.dst_period];
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  if (!filter.weightset) return 0;
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  int flt_rad       = getFilterRadius(flt_type);
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  double dstRate    = (double)dst->getSampleRate();
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  double srcRate    = (double)src.getSampleRate();
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  double dst_to_src = srcRate / dstRate;
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  if (srcRate > dstRate) {
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    src_rad  = flt_rad * dst_to_src;
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    src_to_f = dstRate / srcRate;
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  } else {
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    src_rad  = flt_rad;
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    src_to_f = 1.0;
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  }
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  for (ip = 0; ip < filter.dst_period; ip++) {
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    src_f0 = ip * dst_to_src;
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    if (ip == 0 && srcRate < dstRate)
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      first = last = 0;
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    else {
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      first = intGT(src_f0 - src_rad);
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      last  = intLT(src_f0 + src_rad);
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    }
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    filter.weightset[ip].src_offset = first;
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    filter.weightset[ip].n_weights  = last - first + 1;
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    filter.weightset[ip].weight = new double[filter.weightset[ip].n_weights];
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    if (!filter.weightset[ip].weight) return 0;
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    weightsum = 0.0;
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    for (is = first; is <= last; is++) {
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      f                                       = (is - src_f0) * src_to_f;
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      weight                                  = filterValue(flt_type, f);
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      filter.weightset[ip].weight[is - first] = weight;
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      weightsum += weight;
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    }
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    assert(weightsum);
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    for (is = first; is <= last; is++)
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      filter.weightset[ip].weight[is - first] /= weightsum;
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  }
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  ip = 0;
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  s0 = 0;
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  for (TINT32 id = 0; id < dst->getSampleCount(); id++) {
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    SampleType dstSample;
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    SampleType srcSample;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    is = s0 + filter.weightset[ip].src_offset;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    int iwFirst, iwLast;
Shinya Kitaoka 120a6e
    if (is > 0) {
Shinya Kitaoka 120a6e
      iwFirst = 0;
Shinya Kitaoka 120a6e
      iwLast  = std::min<int>(filter.weightset[ip].n_weights,</int>
Shinya Kitaoka 120a6e
                             src.getSampleCount() - is);
Shinya Kitaoka 120a6e
    } else {
Shinya Kitaoka 120a6e
      iwFirst = -is;
Shinya Kitaoka 120a6e
      is      = 0;
Shinya Kitaoka 120a6e
      iwLast =
Shinya Kitaoka 120a6e
          std::min<int>(filter.weightset[ip].n_weights, src.getSampleCount());</int>
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    double dstChannel[2];
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    dstChannel[0] = 0;
Shinya Kitaoka 120a6e
    dstChannel[1] = 0;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    dstSample = SampleType();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    for (iw = iwFirst; iw < iwLast; iw++, is++) {
Shinya Kitaoka 120a6e
      weight = filter.weightset[ip].weight[iw];
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      srcSample = *(src.samples() + is);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      /*
Shinya Kitaoka 120a6e
T::SampleType tmp = srcSample*weight;
Shinya Kitaoka 120a6e
dstSample += tmp;
Shinya Kitaoka 120a6e
*/
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      for (int i = 0; i < src.getChannelCount(); i++)
Shinya Kitaoka 120a6e
        dstChannel[i] += (double)(srcSample.getValue(i) * weight);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      // assert(dstSample.getValue(0) == dstChannel[0]);
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    for (int i = 0; i < src.getChannelCount(); i++)
Shinya Kitaoka 120a6e
      dstSample.setValue(i, (ChannelValueType)(tround(dstChannel[i])));
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    *(dst->samples() + id) = dstSample;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    ip++;
Shinya Kitaoka 120a6e
    if (ip == filter.dst_period) {
Shinya Kitaoka 120a6e
      ip = 0;
Shinya Kitaoka 120a6e
      s0 += filter.src_period;
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  for (ip = 0; ip < filter.dst_period; ip++)
Shinya Kitaoka 120a6e
    delete[] filter.weightset[ip].weight;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  delete[] filter.weightset;
Shinya Kitaoka 120a6e
  return dst;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//=============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundTrackResample final : public TSoundTransform {
Shinya Kitaoka 120a6e
  TINT32 m_sampleRate;
Shinya Kitaoka 120a6e
  FLT_TYPE m_filterType;
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TSoundTrackResample(TINT32 sampleRate, FLT_TYPE filterType)
Shinya Kitaoka 120a6e
      : TSoundTransform(), m_sampleRate(sampleRate), m_filterType(filterType) {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  ~TSoundTrackResample(){};
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &src) override {
Shinya Kitaoka 120a6e
    TSoundTrackMono8Signed *dst = resampleT(
Shinya Kitaoka 120a6e
        const_cast<tsoundtrackmono8signed &="">(src), m_sampleRate, m_filterType);</tsoundtrackmono8signed>
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return TSoundTrackP(dst);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Unsigned &src) override {
Shinya Kitaoka 120a6e
    TSoundTrackMono8Unsigned *dst =
Shinya Kitaoka 120a6e
        resampleT(const_cast<tsoundtrackmono8unsigned &="">(src), m_sampleRate,</tsoundtrackmono8unsigned>
Shinya Kitaoka 120a6e
                  m_filterType);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return TSoundTrackP(dst);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Signed &src) override {
Shinya Kitaoka 120a6e
    TSoundTrackStereo8Signed *dst =
Shinya Kitaoka 120a6e
        resampleT(const_cast<tsoundtrackstereo8signed &="">(src), m_sampleRate,</tsoundtrackstereo8signed>
Shinya Kitaoka 120a6e
                  m_filterType);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return TSoundTrackP(dst);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &src) override {
Shinya Kitaoka 120a6e
    TSoundTrackStereo8Unsigned *dst =
Shinya Kitaoka 120a6e
        resampleT(const_cast<tsoundtrackstereo8unsigned &="">(src), m_sampleRate,</tsoundtrackstereo8unsigned>
Shinya Kitaoka 120a6e
                  m_filterType);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return TSoundTrackP(dst);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono16 &src) override {
Shinya Kitaoka 120a6e
    TSoundTrackMono16 *dst = resampleT(const_cast<tsoundtrackmono16 &="">(src),</tsoundtrackmono16>
Shinya Kitaoka 120a6e
                                       m_sampleRate, m_filterType);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return TSoundTrackP(dst);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo16 &src) override {
Shinya Kitaoka 120a6e
    TSoundTrackStereo16 *dst = resampleT(const_cast<tsoundtrackstereo16 &="">(src),</tsoundtrackstereo16>
Shinya Kitaoka 120a6e
                                         m_sampleRate, m_filterType);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return TSoundTrackP(dst);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono24 &src) override {
Shinya Kitaoka 120a6e
    TSoundTrackMono24 *dst = resampleT(const_cast<tsoundtrackmono24 &="">(src),</tsoundtrackmono24>
Shinya Kitaoka 120a6e
                                       m_sampleRate, m_filterType);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return TSoundTrackP(dst);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo24 &src) override {
Shinya Kitaoka 120a6e
    TSoundTrackStereo24 *dst = resampleT(const_cast<tsoundtrackstereo24 &="">(src),</tsoundtrackstereo24>
Shinya Kitaoka 120a6e
                                         m_sampleRate, m_filterType);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return TSoundTrackP(dst);
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::resample(TSoundTrackP src, TINT32 sampleRate) {
Shinya Kitaoka 120a6e
  TSoundTrackResample *resample =
Shinya Kitaoka 120a6e
      new TSoundTrackResample(sampleRate, FLT_HAMMING3);
Shinya Kitaoka 120a6e
  TSoundTrackP dst = src->apply(resample);
Shinya Kitaoka 120a6e
  delete resample;
Shinya Kitaoka 120a6e
  return dst;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class src=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP doConvertWithoutResamplingT(SRC *src,
Shinya Kitaoka 120a6e
                                         const TSoundTrackFormat &dstFormat) {
Shinya Kitaoka 120a6e
  TSoundTrackP dst = TSoundTrack::create(dstFormat, src->getSampleCount());
Shinya Kitaoka 120a6e
  if (!dst) return 0;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackMono8Unsigned *dstM8U =
Shinya Kitaoka 120a6e
      dynamic_cast<tsoundtrackmono8unsigned *="">(dst.getPointer());</tsoundtrackmono8unsigned>
Shinya Kitaoka 120a6e
  if (dstM8U) {
Shinya Kitaoka 120a6e
    convertSamplesT(*dstM8U, *src);
Shinya Kitaoka 120a6e
    return dstM8U;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackMono8Signed *dstM8S =
Shinya Kitaoka 120a6e
      dynamic_cast<tsoundtrackmono8signed *="">(dst.getPointer());</tsoundtrackmono8signed>
Shinya Kitaoka 120a6e
  if (dstM8S) {
Shinya Kitaoka 120a6e
    convertSamplesT(*dstM8S, *src);
Shinya Kitaoka 120a6e
    return dstM8S;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackStereo8Signed *dstS8S =
Shinya Kitaoka 120a6e
      dynamic_cast<tsoundtrackstereo8signed *="">(dst.getPointer());</tsoundtrackstereo8signed>
Shinya Kitaoka 120a6e
  if (dstS8S) {
Shinya Kitaoka 120a6e
    convertSamplesT(*dstS8S, *src);
Shinya Kitaoka 120a6e
    return dstS8S;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackStereo8Unsigned *dstS8U =
Shinya Kitaoka 120a6e
      dynamic_cast<tsoundtrackstereo8unsigned *="">(dst.getPointer());</tsoundtrackstereo8unsigned>
Shinya Kitaoka 120a6e
  if (dstS8U) {
Shinya Kitaoka 120a6e
    convertSamplesT(*dstS8U, *src);
Shinya Kitaoka 120a6e
    return dstS8U;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackMono16 *dstM16 =
Shinya Kitaoka 120a6e
      dynamic_cast<tsoundtrackmono16 *="">(dst.getPointer());</tsoundtrackmono16>
Shinya Kitaoka 120a6e
  if (dstM16) {
Shinya Kitaoka 120a6e
    convertSamplesT(*dstM16, *src);
Shinya Kitaoka 120a6e
    return dstM16;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackStereo16 *dstS16 =
Shinya Kitaoka 120a6e
      dynamic_cast<tsoundtrackstereo16 *="">(dst.getPointer());</tsoundtrackstereo16>
Shinya Kitaoka 120a6e
  if (dstS16) {
Shinya Kitaoka 120a6e
    convertSamplesT(*dstS16, *src);
Shinya Kitaoka 120a6e
    return dstS16;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackMono24 *dstM24 =
Shinya Kitaoka 120a6e
      dynamic_cast<tsoundtrackmono24 *="">(dst.getPointer());</tsoundtrackmono24>
Shinya Kitaoka 120a6e
  if (dstM24) {
Shinya Kitaoka 120a6e
    convertSamplesT(*dstM24, *src);
Shinya Kitaoka 120a6e
    return dstM24;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackStereo24 *dstS24 =
Shinya Kitaoka 120a6e
      dynamic_cast<tsoundtrackstereo24 *="">(dst.getPointer());</tsoundtrackstereo24>
Shinya Kitaoka 120a6e
  if (dstS24) {
Shinya Kitaoka 120a6e
    convertSamplesT(*dstS24, *src);
Shinya Kitaoka 120a6e
    return dstS24;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return 0;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundTrackConverterWithoutResampling final : public TSoundTransform {
Shinya Kitaoka 120a6e
  TSoundTrackFormat m_format;
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TSoundTrackConverterWithoutResampling(const TSoundTrackFormat &format)
Shinya Kitaoka 120a6e
      : m_format(format) {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  ~TSoundTrackConverterWithoutResampling(){};
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &src) override {
Shinya Kitaoka 120a6e
    return doConvertWithoutResamplingT(&src, m_format);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Unsigned &src) override {
Shinya Kitaoka 120a6e
    return doConvertWithoutResamplingT(&src, m_format);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Signed &src) override {
Shinya Kitaoka 120a6e
    return doConvertWithoutResamplingT(&src, m_format);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &src) override {
Shinya Kitaoka 120a6e
    return doConvertWithoutResamplingT(&src, m_format);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono16 &src) override {
Shinya Kitaoka 120a6e
    return doConvertWithoutResamplingT(&src, m_format);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo16 &src) override {
Shinya Kitaoka 120a6e
    return doConvertWithoutResamplingT(&src, m_format);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono24 &src) override {
Shinya Kitaoka 120a6e
    return doConvertWithoutResamplingT(&src, m_format);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo24 &src) override {
Shinya Kitaoka 120a6e
    return doConvertWithoutResamplingT(&src, m_format);
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//-----------------------------------------------------------------------------
Shinya Kitaoka 120a6e
namespace {
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
void convertWithoutResampling(TSoundTrackP &dst, const TSoundTrackP &src) {
Shinya Kitaoka 120a6e
  TSoundTrackConverterWithoutResampling *converter;
Shinya Kitaoka 120a6e
  converter = new TSoundTrackConverterWithoutResampling(dst->getFormat());
Shinya Kitaoka 120a6e
  dst       = src->apply(converter);
Shinya Kitaoka 120a6e
  delete converter;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
}  // namespace
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::convert(const TSoundTrackP &src,
Shinya Kitaoka 120a6e
                           const TSoundTrackFormat &dstFormat) {
Shinya Kitaoka 120a6e
  TINT32 dstSampleCount =
Shinya Kitaoka 120a6e
      (TINT32)(src->getSampleCount() *
Shinya Kitaoka 120a6e
               (dstFormat.m_sampleRate / (double)src->getSampleRate()));
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  TSoundTrackP dst = TSoundTrack::create(dstFormat, dstSampleCount);
Shinya Kitaoka 120a6e
  TSop::convert(dst, src);
Shinya Kitaoka 120a6e
  return dst;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void TSop::convert(TSoundTrackP &dst, const TSoundTrackP &src) {
Shinya Kitaoka 120a6e
  int src_reslen, dst_reslen;
Shinya Kitaoka 120a6e
  int src_bits, dst_bits;
Shinya Kitaoka 120a6e
  int src_chans, dst_chans;
Shinya Kitaoka 120a6e
  TSoundTrackP tmp, tmq;
Shinya Kitaoka 120a6e
  RESORDER_TYPE order;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  assert(src->getSampleCount() >= 0 && dst->getSampleCount() >= 0);
Shinya Kitaoka 120a6e
  if (!dst->getSampleCount()) return;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  if (!src->getSampleCount()) {
Shinya Kitaoka 120a6e
    dst->blank(0L, (TINT32)(dst->getSampleCount() - 1));
Shinya Kitaoka 120a6e
    return;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  if (src->getSampleRate() == dst->getSampleRate()) {
Shinya Kitaoka 120a6e
    src_reslen = dst->getSampleCount();
Shinya Kitaoka 120a6e
    notMoreThan((int)src->getSampleCount(), src_reslen);
Shinya Kitaoka 120a6e
    dst_reslen = src_reslen;
Shinya Kitaoka 120a6e
    convertWithoutResampling(dst, src);
Shinya Kitaoka 120a6e
  } else {
Shinya Kitaoka 120a6e
    src_reslen = FULL_INT_MUL_DIV(dst->getSampleCount(), src->getSampleRate(),
Shinya Kitaoka 120a6e
                                  dst->getSampleRate());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    if (src_reslen > src->getSampleCount()) {
Shinya Kitaoka 120a6e
      src_reslen = src->getSampleCount();
Shinya Kitaoka 120a6e
      dst_reslen = FULL_INT_MUL_DIV(src_reslen, dst->getSampleRate(),
Shinya Kitaoka 120a6e
                                    src->getSampleRate());
Shinya Kitaoka 120a6e
    } else
Shinya Kitaoka 120a6e
      dst_reslen = dst->getSampleCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    src_chans = src->getChannelCount();
Shinya Kitaoka 120a6e
    dst_chans = dst->getChannelCount();
Shinya Kitaoka 120a6e
    src_bits  = src->getBitPerSample();
Shinya Kitaoka 120a6e
    dst_bits  = dst->getBitPerSample();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    if (src_chans == dst_chans && src_bits == dst_bits)
Shinya Kitaoka 120a6e
      if (src->isSampleSigned() == dst->isSampleSigned())
Shinya Kitaoka 120a6e
        order = RESORDER_RATE;
Shinya Kitaoka 120a6e
      else
Shinya Kitaoka 120a6e
        order = RESORDER_SIGN;
Shinya Kitaoka 120a6e
    else if (src_chans < dst_chans) {
Shinya Kitaoka 120a6e
      if (src_bits < dst_bits)
Shinya Kitaoka 120a6e
        order = RESORDER_BITS_RATE_CHANS;
Shinya Kitaoka 120a6e
      else
Shinya Kitaoka 120a6e
        order = RESORDER_RATE_BITS_CHANS;
Shinya Kitaoka 120a6e
    } else if (src_chans > dst_chans) {
Shinya Kitaoka 120a6e
      if (src_bits > dst_bits)
Shinya Kitaoka 120a6e
        order = RESORDER_CHANS_RATE_BITS;
Shinya Kitaoka 120a6e
      else
Shinya Kitaoka 120a6e
        order = RESORDER_CHANS_BITS_RATE;
Shinya Kitaoka 120a6e
    } else {
Shinya Kitaoka 120a6e
      if (src_bits > dst_bits)
Shinya Kitaoka 120a6e
        order = RESORDER_RATE_BITS;
Shinya Kitaoka 120a6e
      else
Shinya Kitaoka 120a6e
        order = RESORDER_BITS_RATE;
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    switch (order) {
Shinya Kitaoka 120a6e
    case RESORDER_CHANS_RATE_BITS:
Shinya Kitaoka 120a6e
    case RESORDER_BITS_RATE_CHANS:
Shinya Kitaoka 120a6e
      int chans, bitPerSample;
Shinya Kitaoka 120a6e
      if (src->getChannelCount() <= dst->getChannelCount())
Shinya Kitaoka 120a6e
        chans = src->getChannelCount();
Shinya Kitaoka 120a6e
      else
Shinya Kitaoka 120a6e
        chans = dst->getChannelCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      if (src->getBitPerSample() >= dst->getBitPerSample())
Shinya Kitaoka 120a6e
        bitPerSample = src->getBitPerSample();
Shinya Kitaoka 120a6e
      else
Shinya Kitaoka 120a6e
        bitPerSample = dst->getBitPerSample();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      tmp = TSoundTrack::create((int)src->getSampleRate(), bitPerSample, chans,
Shinya Kitaoka 120a6e
                                src_reslen * src->getSampleSize());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      convertWithoutResampling(tmp, src);
Shinya Kitaoka 120a6e
      tmq = TSop::resample(tmp, (TINT32)dst->getSampleRate());
Shinya Kitaoka 120a6e
      convertWithoutResampling(dst, tmq);
Shinya Kitaoka 120a6e
      break;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    case RESORDER_RATE_BITS_CHANS:
Shinya Kitaoka 120a6e
    case RESORDER_RATE_BITS:
Shinya Kitaoka 120a6e
    case RESORDER_RATE_CHANS:
Shinya Kitaoka 120a6e
      tmp = TSop::resample(src, (TINT32)dst->getSampleRate());
Shinya Kitaoka 120a6e
      convertWithoutResampling(dst, tmp);
Shinya Kitaoka 120a6e
      break;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    case RESORDER_CHANS_BITS_RATE:
Shinya Kitaoka 120a6e
    case RESORDER_BITS_RATE:
Shinya Kitaoka 120a6e
    case RESORDER_CHANS_RATE:
Shinya Kitaoka 120a6e
    case RESORDER_SIGN:
Shinya Kitaoka 120a6e
      tmp = TSoundTrack::create((int)src->getSampleRate(),
Shinya Kitaoka 120a6e
                                dst->getBitPerSample(), dst->getChannelCount(),
Shinya Kitaoka 120a6e
                                src_reslen * dst->getSampleSize(),
Shinya Kitaoka 120a6e
                                dst->isSampleSigned());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      convertWithoutResampling(tmp, src);
Shinya Kitaoka 120a6e
      dst = TSop::resample(tmp, (TINT32)dst->getSampleRate());
Shinya Kitaoka 120a6e
      break;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    case RESORDER_RATE:
Shinya Kitaoka 120a6e
      dst = TSop::resample(src, (TINT32)dst->getSampleRate());
Shinya Kitaoka 120a6e
      break;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    default:
Shinya Kitaoka 120a6e
      assert(false);
Shinya Kitaoka 120a6e
      break;
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  if (dst_reslen < dst->getSampleCount())
Shinya Kitaoka 120a6e
    dst->blank((TINT32)dst_reslen, (TINT32)(dst->getSampleCount() - 1));
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class t=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP doReverb(TSoundTrackT<t> *src, double delayTime,</t>
Shinya Kitaoka 120a6e
                      double decayFactor, double extendTime) {
Shinya Kitaoka 120a6e
  TINT32 dstSampleCount =
Shinya Kitaoka 120a6e
      src->getSampleCount() + (TINT32)(src->getSampleRate() * extendTime);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackT<t> *dst = new TSoundTrackT<t>(</t></t>
Shinya Kitaoka 120a6e
      src->getSampleRate(), src->getChannelCount(), dstSampleCount);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TINT32 sampleRate = (TINT32)src->getSampleRate();
Shinya Kitaoka 120a6e
  TINT32 k          = (TINT32)(sampleRate * delayTime);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  T *srcSample    = src->samples();
Shinya Kitaoka 120a6e
  T *dstSample    = dst->samples();
Shinya Kitaoka 120a6e
  T *endDstSample = dst->samples() + k;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) *dstSample++ = *srcSample++;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // la formula del reverb e'
Shinya Kitaoka 120a6e
  // out(i) = in(i) + decayFactor * out(i - k)
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  //  int channelCount = src->getChannelCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  endDstSample =
Shinya Kitaoka 120a6e
      dst->samples() + std::min(dstSampleCount, (TINT32)src->getSampleCount());
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) {
Shinya Kitaoka 120a6e
    //*dstSample = *srcSample + *(dstSample - k)*decayFactor;
Shinya Kitaoka 120a6e
    *dstSample = T::mix(*srcSample, 1, *(dstSample - k), decayFactor);
Shinya Kitaoka 120a6e
    ++dstSample;
Shinya Kitaoka 120a6e
    ++srcSample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  endDstSample = dst->samples() + dstSampleCount;
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) {
Shinya Kitaoka 120a6e
    //*dstSample = *(dstSample - k)*decayFactor;
Shinya Kitaoka 120a6e
    *dstSample = T::mix(T(), 0, *(dstSample - k), decayFactor);
Shinya Kitaoka 120a6e
    ++dstSample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return TSoundTrackP(dst);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundReverb final : public TSoundTransform {
Shinya Kitaoka 120a6e
  double m_delayTime;
Shinya Kitaoka 120a6e
  double m_decayFactor;
Shinya Kitaoka 120a6e
  double m_extendTime;
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TSoundReverb(double delayTime, double decayFactor, double extendTime)
Shinya Kitaoka 120a6e
      : m_delayTime(delayTime)
Shinya Kitaoka 120a6e
      , m_decayFactor(decayFactor)
Shinya Kitaoka 120a6e
      , m_extendTime(extendTime) {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  ~TSoundReverb() {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &src) override {
Shinya Kitaoka 120a6e
    return doReverb(const_cast<tsoundtrackmono8signed *="">(&src), m_delayTime,</tsoundtrackmono8signed>
Shinya Kitaoka 120a6e
                    m_decayFactor, m_extendTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Unsigned &src) override {
Shinya Kitaoka 120a6e
    return doReverb(const_cast<tsoundtrackmono8unsigned *="">(&src), m_delayTime,</tsoundtrackmono8unsigned>
Shinya Kitaoka 120a6e
                    m_decayFactor, m_extendTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Signed &src) override {
Shinya Kitaoka 120a6e
    return doReverb(const_cast<tsoundtrackstereo8signed *="">(&src), m_delayTime,</tsoundtrackstereo8signed>
Shinya Kitaoka 120a6e
                    m_decayFactor, m_extendTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &src) override {
Shinya Kitaoka 120a6e
    return doReverb(const_cast<tsoundtrackstereo8unsigned *="">(&src), m_delayTime,</tsoundtrackstereo8unsigned>
Shinya Kitaoka 120a6e
                    m_decayFactor, m_extendTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono16 &src) override {
Shinya Kitaoka 120a6e
    return doReverb(const_cast<tsoundtrackmono16 *="">(&src), m_delayTime,</tsoundtrackmono16>
Shinya Kitaoka 120a6e
                    m_decayFactor, m_extendTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo16 &src) override {
Shinya Kitaoka 120a6e
    return doReverb(const_cast<tsoundtrackstereo16 *="">(&src), m_delayTime,</tsoundtrackstereo16>
Shinya Kitaoka 120a6e
                    m_decayFactor, m_extendTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono24 &src) override {
Shinya Kitaoka 120a6e
    return doReverb(const_cast<tsoundtrackmono24 *="">(&src), m_delayTime,</tsoundtrackmono24>
Shinya Kitaoka 120a6e
                    m_decayFactor, m_extendTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo24 &src) override {
Shinya Kitaoka 120a6e
    return doReverb(const_cast<tsoundtrackstereo24 *="">(&src), m_delayTime,</tsoundtrackstereo24>
Shinya Kitaoka 120a6e
                    m_decayFactor, m_extendTime);
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::reverb(TSoundTrackP src, double delayTime,
Shinya Kitaoka 120a6e
                          double decayFactor, double extendTime) {
Shinya Kitaoka 120a6e
  TSoundReverb *reverb = new TSoundReverb(delayTime, decayFactor, extendTime);
Shinya Kitaoka 120a6e
  assert(reverb);
Shinya Kitaoka 120a6e
  if (!reverb) return TSoundTrackP();
Shinya Kitaoka 120a6e
  TSoundTrackP dst = src->apply(reverb);
Shinya Kitaoka 120a6e
  delete reverb;
Shinya Kitaoka 120a6e
  return dst;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class t=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP doGate(TSoundTrackT<t> *src, double threshold, double holdTime,</t>
Shinya Kitaoka 120a6e
                    double /*releaseTime*/) {
Shinya Kitaoka 120a6e
  TSoundTrackT<t> *dst = new TSoundTrackT<t>(</t></t>
Shinya Kitaoka 120a6e
      src->getSampleRate(), src->getChannelCount(), src->getSampleCount());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  double sampleExcursion_inv =
Shinya Kitaoka 120a6e
      1.0 / (double)(src->getMaxPressure(0, src->getSampleCount() - 1, 0) -
Shinya Kitaoka 120a6e
                     src->getMinPressure(0, src->getSampleCount() - 1, 0));
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TINT32 holdTimeSamples = src->secondsToSamples(holdTime);
Shinya Kitaoka 120a6e
  TINT32 time            = 0;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  const T *srcSample    = src->samples();
Shinya Kitaoka 120a6e
  const T *srcEndSample = srcSample + src->getSampleCount();
Shinya Kitaoka 120a6e
  T *dstSample          = dst->samples();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  while (srcSample < srcEndSample) {
Shinya Kitaoka 120a6e
    if (fabs(srcSample->getValue(0) * sampleExcursion_inv) < threshold) {
Shinya Kitaoka 120a6e
      if (time >= holdTimeSamples)
Shinya Kitaoka 120a6e
        *dstSample = T();
Shinya Kitaoka 120a6e
      else
Shinya Kitaoka 120a6e
        *dstSample = *srcSample;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      ++time;
Shinya Kitaoka 120a6e
    } else {
Shinya Kitaoka 120a6e
      time       = 0;
Shinya Kitaoka 120a6e
      *dstSample = *srcSample;
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    ++srcSample;
Shinya Kitaoka 120a6e
    ++dstSample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return dst;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundGate final : public TSoundTransform {
Shinya Kitaoka 120a6e
  double m_threshold;
Shinya Kitaoka 120a6e
  double m_holdTime;
Shinya Kitaoka 120a6e
  double m_releaseTime;
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TSoundGate(double threshold, double holdTime, double releaseTime)
Shinya Kitaoka 120a6e
      : m_threshold(threshold)
Shinya Kitaoka 120a6e
      , m_holdTime(holdTime)
Shinya Kitaoka 120a6e
      , m_releaseTime(releaseTime) {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  ~TSoundGate() {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &src) override {
Shinya Kitaoka 120a6e
    return doGate(const_cast<tsoundtrackmono8signed *="">(&src), m_threshold,</tsoundtrackmono8signed>
Shinya Kitaoka 120a6e
                  m_holdTime, m_releaseTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Unsigned &src) override {
Shinya Kitaoka 120a6e
    return doGate(const_cast<tsoundtrackmono8unsigned *="">(&src), m_threshold,</tsoundtrackmono8unsigned>
Shinya Kitaoka 120a6e
                  m_holdTime, m_releaseTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Signed &src) override {
Shinya Kitaoka 120a6e
    return doGate(const_cast<tsoundtrackstereo8signed *="">(&src), m_threshold,</tsoundtrackstereo8signed>
Shinya Kitaoka 120a6e
                  m_holdTime, m_releaseTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &src) override {
Shinya Kitaoka 120a6e
    return doGate(const_cast<tsoundtrackstereo8unsigned *="">(&src), m_threshold,</tsoundtrackstereo8unsigned>
Shinya Kitaoka 120a6e
                  m_holdTime, m_releaseTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono16 &src) override {
Shinya Kitaoka 120a6e
    return doGate(const_cast<tsoundtrackmono16 *="">(&src), m_threshold,</tsoundtrackmono16>
Shinya Kitaoka 120a6e
                  m_holdTime, m_releaseTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo16 &src) override {
Shinya Kitaoka 120a6e
    return doGate(const_cast<tsoundtrackstereo16 *="">(&src), m_threshold,</tsoundtrackstereo16>
Shinya Kitaoka 120a6e
                  m_holdTime, m_releaseTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono24 &src) override {
Shinya Kitaoka 120a6e
    return doGate(const_cast<tsoundtrackmono24 *="">(&src), m_threshold,</tsoundtrackmono24>
Shinya Kitaoka 120a6e
                  m_holdTime, m_releaseTime);
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo24 &src) override {
Shinya Kitaoka 120a6e
    return doGate(const_cast<tsoundtrackstereo24 *="">(&src), m_threshold,</tsoundtrackstereo24>
Shinya Kitaoka 120a6e
                  m_holdTime, m_releaseTime);
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::gate(TSoundTrackP src, double threshold, double holdTime,
Shinya Kitaoka 120a6e
                        double releaseTime) {
Shinya Kitaoka 120a6e
  TSoundGate *gate = new TSoundGate(threshold, holdTime, releaseTime);
Shinya Kitaoka 120a6e
  assert(gate);
Shinya Kitaoka 120a6e
  if (!gate) return TSoundTrackP();
Shinya Kitaoka 120a6e
  TSoundTrackP dst = src->apply(gate);
Shinya Kitaoka 120a6e
  delete gate;
Shinya Kitaoka 120a6e
  return dst;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::timeStrech(TSoundTrackP src, double ratio) {
Shinya Kitaoka 120a6e
  TINT32 sampleRate = (TINT32)(src->getSampleRate() * ratio);
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  if (sampleRate > 100000) sampleRate = 100000;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  TSoundTrackP st;
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  if (sampleRate > 0) {
Shinya Kitaoka 120a6e
    TSoundTrackResample *resample =
Shinya Kitaoka 120a6e
        new TSoundTrackResample(sampleRate, FLT_TRIANGLE);
Shinya Kitaoka 120a6e
    st = src->apply(resample);
Shinya Kitaoka 120a6e
    delete resample;
Shinya Kitaoka 120a6e
    st->setSampleRate(src->getSampleRate());
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
  return st;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//========================================================================================
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class t=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP doEcho(TSoundTrackT<t> *src, double delayTime, double decayFactor,</t>
Shinya Kitaoka 120a6e
                    double extendTime) {
Shinya Kitaoka 120a6e
  typedef typename T::ChannelValueType ChannelValueType;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TINT32 dstSampleCount =
Shinya Kitaoka 120a6e
      src->getSampleCount() + (TINT32)(src->getSampleRate() * extendTime);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackT<t> *dst = new TSoundTrackT<t>(</t></t>
Shinya Kitaoka 120a6e
      src->getSampleRate(), src->getChannelCount(), dstSampleCount);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TINT32 sampleRate = (TINT32)src->getSampleRate();
Shinya Kitaoka 120a6e
  TINT32 k          = (TINT32)(sampleRate * delayTime);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  T *srcSample    = src->samples();
Shinya Kitaoka 120a6e
  T *dstSample    = dst->samples();
Shinya Kitaoka 120a6e
  T *endDstSample = dst->samples() + k;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) *dstSample++ = *srcSample++;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // la formula dell'echo e'
Shinya Kitaoka 120a6e
  // out(i) = in(i) + decayFactor * in(i - k)
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  bool chans = src->getChannelCount() == 2;
Shinya Kitaoka 120a6e
  endDstSample =
Shinya Kitaoka 120a6e
      dst->samples() + std::min(dstSampleCount, (TINT32)src->getSampleCount());
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) {
Shinya Kitaoka 120a6e
    //*dstSample = *srcSample + *(srcSample - k)*decayFactor;
Shinya Kitaoka 120a6e
    ChannelValueType val = (ChannelValueType)(
Shinya Kitaoka 120a6e
        (srcSample - k)->getValue(TSound::MONO) * decayFactor);
Shinya Kitaoka 120a6e
    dstSample->setValue(TSound::MONO, srcSample->getValue(TSound::MONO) + val);
Shinya Kitaoka 120a6e
    if (chans) {
Shinya Kitaoka 120a6e
      ChannelValueType val = (ChannelValueType)(
Shinya Kitaoka 120a6e
          (srcSample - k)->getValue(TSound::RIGHT) * decayFactor);
Shinya Kitaoka 120a6e
      dstSample->setValue(TSound::RIGHT,
Shinya Kitaoka 120a6e
                          srcSample->getValue(TSound::RIGHT) + val);
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
    ++dstSample;
Shinya Kitaoka 120a6e
    ++srcSample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  endDstSample = dstSample + k;
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) {
Shinya Kitaoka 120a6e
    //*dstSample = *(srcSample - k)*decayFactor;
Shinya Kitaoka 120a6e
    ChannelValueType val = (ChannelValueType)(
Shinya Kitaoka 120a6e
        (srcSample - k)->getValue(TSound::MONO) * decayFactor);
Shinya Kitaoka 120a6e
    dstSample->setValue(TSound::MONO, val);
Shinya Kitaoka 120a6e
    if (chans) {
Shinya Kitaoka 120a6e
      ChannelValueType val = (ChannelValueType)(
Shinya Kitaoka 120a6e
          (srcSample - k)->getValue(TSound::RIGHT) * decayFactor);
Shinya Kitaoka 120a6e
      dstSample->setValue(TSound::RIGHT, val);
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
    ++dstSample;
Shinya Kitaoka 120a6e
    ++srcSample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  srcSample    = src->samples() + src->getSampleCount() - 1;
Shinya Kitaoka 120a6e
  endDstSample = dst->samples() + dstSampleCount;
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) {
Shinya Kitaoka 120a6e
    //*dstSample = *(srcSample)*decayFactor;
Shinya Kitaoka 120a6e
    ChannelValueType val =
Shinya Kitaoka 120a6e
        (ChannelValueType)(srcSample->getValue(TSound::MONO) * decayFactor);
Shinya Kitaoka 120a6e
    dstSample->setValue(TSound::MONO, val);
Shinya Kitaoka 120a6e
    if (chans) {
Shinya Kitaoka 120a6e
      ChannelValueType val =
Shinya Kitaoka 120a6e
          (ChannelValueType)(srcSample->getValue(TSound::RIGHT) * decayFactor);
Shinya Kitaoka 120a6e
      dstSample->setValue(TSound::RIGHT, val);
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
    ++dstSample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return TSoundTrackP(dst);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
void TSop::echo(TSoundTrackP &dst, const TSoundTrackP &src, double delayTime,
Shinya Kitaoka 120a6e
                double decayFactor, double extendTime) {
Shinya Kitaoka 120a6e
  TSoundTrackMono8Signed *srcM8S;
Shinya Kitaoka 120a6e
  srcM8S = dynamic_cast<tsoundtrackmono8signed *="">(src.getPointer());</tsoundtrackmono8signed>
Shinya Kitaoka 120a6e
  if (srcM8S)
Shinya Kitaoka 120a6e
    dst = doEcho(srcM8S, delayTime, decayFactor, extendTime);
Shinya Kitaoka 120a6e
  else {
Shinya Kitaoka 120a6e
    TSoundTrackMono8Unsigned *srcM8U;
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    srcM8U = dynamic_cast<tsoundtrackmono8unsigned *="">(src.getPointer());</tsoundtrackmono8unsigned>
Shinya Kitaoka 120a6e
    if (srcM8U)
Shinya Kitaoka 120a6e
      dst = doEcho(srcM8U, delayTime, decayFactor, extendTime);
Shinya Kitaoka 120a6e
    else {
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      TSoundTrackStereo8Signed *srcS8S;
Shinya Kitaoka 120a6e
      srcS8S = dynamic_cast<tsoundtrackstereo8signed *="">(src.getPointer());</tsoundtrackstereo8signed>
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      if (srcS8S)
Shinya Kitaoka 120a6e
        dst = doEcho(srcS8S, delayTime, decayFactor, extendTime);
Shinya Kitaoka 120a6e
      else {
Shinya Kitaoka 120a6e
        TSoundTrackStereo8Unsigned *srcS8U;
Shinya Kitaoka 120a6e
        srcS8U = dynamic_cast<tsoundtrackstereo8unsigned *="">(src.getPointer());</tsoundtrackstereo8unsigned>
Shinya Kitaoka 120a6e
        if (srcS8U)
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          dst = doEcho(srcS8U, delayTime, decayFactor, extendTime);
Shinya Kitaoka 120a6e
        else {
Shinya Kitaoka 120a6e
          TSoundTrackMono16 *srcM16;
Shinya Kitaoka 120a6e
          srcM16 = dynamic_cast<tsoundtrackmono16 *="">(src.getPointer());</tsoundtrackmono16>
Shinya Kitaoka 120a6e
          if (srcM16)
Shinya Kitaoka 120a6e
            dst = doEcho(srcM16, delayTime, decayFactor, extendTime);
Shinya Kitaoka 120a6e
          else {
Shinya Kitaoka 120a6e
            TSoundTrackStereo16 *srcS16;
Shinya Kitaoka 120a6e
            srcS16 = dynamic_cast<tsoundtrackstereo16 *="">(src.getPointer());</tsoundtrackstereo16>
Shinya Kitaoka 120a6e
            if (srcS16)
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              dst = doEcho(srcS16, delayTime, decayFactor, extendTime);
Shinya Kitaoka 120a6e
            else {
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              TSoundTrackMono24 *srcM24;
Shinya Kitaoka 120a6e
              srcM24 = dynamic_cast<tsoundtrackmono24 *="">(src.getPointer());</tsoundtrackmono24>
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              if (srcM24)
Shinya Kitaoka 120a6e
                dst = doEcho(srcM24, delayTime, decayFactor, extendTime);
Shinya Kitaoka 120a6e
              else {
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                TSoundTrackStereo24 *srcS24;
Shinya Kitaoka 120a6e
                srcS24 = dynamic_cast<tsoundtrackstereo24 *="">(src.getPointer());</tsoundtrackstereo24>
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                if (srcS24)
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                  dst = doEcho(srcS24, delayTime, decayFactor, extendTime);
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              }
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            }
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          }
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        }
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      }
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::insertBlank(TSoundTrackP src, TINT32 s0, TINT32 len) {
Shinya Kitaoka 120a6e
  assert(len >= 0);
Shinya Kitaoka 120a6e
  if (len == 0) return src;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TINT32 ss0 = tcrop<tint32>(s0, 0, src->getSampleCount());</tint32>
Shinya Kitaoka 120a6e
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  TSoundTrackFormat format = src->getFormat();
Shinya Kitaoka 120a6e
  TSoundTrackP dst = TSoundTrack::create(format, (src->getSampleCount() + len));
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  UCHAR *dstRawData = (UCHAR *)dst->getRawData();
Shinya Kitaoka 120a6e
  UCHAR *srcRawData = (UCHAR *)src->getRawData();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  int bytePerSample = dst->getSampleSize();
Shinya Kitaoka 120a6e
  memcpy(dstRawData, srcRawData, ss0 * bytePerSample);
Shinya Kitaoka 120a6e
  if (format.m_signedSample)
Shinya Kitaoka 120a6e
    memset(dstRawData + ss0 * bytePerSample, 0, len * bytePerSample);
Shinya Kitaoka 120a6e
  else
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    memset(dstRawData + ss0 * bytePerSample, 127, len * bytePerSample);
Shinya Kitaoka 120a6e
  memcpy(dstRawData + (ss0 + len) * bytePerSample,
Shinya Kitaoka 120a6e
         srcRawData + ss0 * bytePerSample,
Shinya Kitaoka 120a6e
         (src->getSampleCount() - ss0) * bytePerSample);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return dst;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::insertBlank(TSoundTrackP src, double t0, double len) {
Shinya Kitaoka 120a6e
  return insertBlank(src, src->secondsToSamples(t0),
Shinya Kitaoka 120a6e
                     src->secondsToSamples(len));
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::remove(TSoundTrackP src, TINT32 s0, TINT32 s1,
Shinya Kitaoka 120a6e
                          TSoundTrackP &paste) {
Shinya Kitaoka 120a6e
  TINT32 ss0, ss1;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  ss0 = std::max<tint32>((TINT32)0, s0);</tint32>
Shinya Kitaoka 120a6e
  ss1 = std::min(s1, (TINT32)(src->getSampleCount() - 1));
Shinya Kitaoka 120a6e
  TSoundTrackP soundTrackSlice;
Shinya Kitaoka 120a6e
  if (ss0 <= ss1) soundTrackSlice = src->extract(ss0, ss1);
Shinya Kitaoka 120a6e
  if (!soundTrackSlice) {
Shinya Kitaoka 120a6e
    paste = TSoundTrackP();
Shinya Kitaoka 120a6e
    return src;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
  paste = soundTrackSlice->clone();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackFormat format = src->getFormat();
Shinya Kitaoka 120a6e
  TSoundTrackP dst =
Shinya Kitaoka 120a6e
      TSoundTrack::create(format, (src->getSampleCount() - (ss1 - ss0 + 1)));
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TINT32 dstSampleSize = dst->getSampleSize();
Shinya Kitaoka 120a6e
  UCHAR *newRowData    = (UCHAR *)dst->getRawData();
Shinya Kitaoka 120a6e
  UCHAR *srcRowData    = (UCHAR *)src->getRawData();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  memcpy(newRowData, srcRowData, ss0 * dstSampleSize);
Shinya Kitaoka 120a6e
  memcpy(newRowData + (ss0 * dstSampleSize),
Shinya Kitaoka 120a6e
         srcRowData + (ss1 + 1) * dstSampleSize,
Shinya Kitaoka 120a6e
         (src->getSampleCount() - ss1 - 1) * dst->getSampleSize());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return dst;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::remove(TSoundTrackP src, double t0, double t1,
Shinya Kitaoka 120a6e
                          TSoundTrackP &paste) {
Shinya Kitaoka 120a6e
  return remove(src, src->secondsToSamples(t0), src->secondsToSamples(t1),
Shinya Kitaoka 120a6e
                paste);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class t=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP mixT(TSoundTrackT<t> *st1, double a1, TSoundTrackT<t> *st2,</t></t>
Shinya Kitaoka 120a6e
                  double a2) {
Shinya Kitaoka 120a6e
  TINT32 sampleCount = std::max(st1->getSampleCount(), st2->getSampleCount());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackT<t> *dst = new TSoundTrackT<t>(</t></t>
Shinya Kitaoka 120a6e
      st1->getSampleRate(), st1->getChannelCount(), sampleCount);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  T *dstSample = dst->samples();
Shinya Kitaoka 120a6e
  T *endDstSample =
Shinya Kitaoka 120a6e
      dstSample + std::min(st1->getSampleCount(), st2->getSampleCount());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  T *st1Sample = st1->samples();
Shinya Kitaoka 120a6e
  T *st2Sample = st2->samples();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) {
Shinya Kitaoka 120a6e
    *dstSample++ = T::mix(*st1Sample, a1, *st2Sample, a2);
Shinya Kitaoka 120a6e
    ++st1Sample;
Shinya Kitaoka 120a6e
    ++st2Sample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  T *srcSample =
Shinya Kitaoka 120a6e
      st1->getSampleCount() > st2->getSampleCount() ? st1Sample : st2Sample;
Shinya Kitaoka 120a6e
  endDstSample                                  = dst->samples() + sampleCount;
Shinya Kitaoka 120a6e
  while (dstSample < endDstSample) *dstSample++ = *srcSample++;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return TSoundTrackP(dst);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//=============================================================================
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundTrackMixer final : public TSoundTransform {
Shinya Kitaoka 120a6e
  double m_alpha1, m_alpha2;
Shinya Kitaoka 120a6e
  TSoundTrackP m_sndtrack;
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TSoundTrackMixer(double a1, double a2, const TSoundTrackP &st2)
Shinya Kitaoka 120a6e
      : TSoundTransform(), m_alpha1(a1), m_alpha2(a2), m_sndtrack(st2) {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  ~TSoundTrackMixer(){};
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &src) override {
Shinya Kitaoka 120a6e
    assert(src.getFormat() == m_sndtrack->getFormat());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return (
Shinya Kitaoka 120a6e
        mixT(const_cast<tsoundtrackmono8signed *="">(&src), m_alpha1,</tsoundtrackmono8signed>
Shinya Kitaoka 120a6e
             dynamic_cast<tsoundtrackmono8signed *="">(m_sndtrack.getPointer()),</tsoundtrackmono8signed>
Shinya Kitaoka 120a6e
             m_alpha2));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Unsigned &src) override {
Shinya Kitaoka 120a6e
    assert(src.getFormat() == m_sndtrack->getFormat());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return (
Shinya Kitaoka 120a6e
        mixT(const_cast<tsoundtrackmono8unsigned *="">(&src), m_alpha1,</tsoundtrackmono8unsigned>
Shinya Kitaoka 120a6e
             dynamic_cast<tsoundtrackmono8unsigned *="">(m_sndtrack.getPointer()),</tsoundtrackmono8unsigned>
Shinya Kitaoka 120a6e
             m_alpha2));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Signed &src) override {
Shinya Kitaoka 120a6e
    assert(src.getFormat() == m_sndtrack->getFormat());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return (
Shinya Kitaoka 120a6e
        mixT(const_cast<tsoundtrackstereo8signed *="">(&src), m_alpha1,</tsoundtrackstereo8signed>
Shinya Kitaoka 120a6e
             dynamic_cast<tsoundtrackstereo8signed *="">(m_sndtrack.getPointer()),</tsoundtrackstereo8signed>
Shinya Kitaoka 120a6e
             m_alpha2));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &src) override {
Shinya Kitaoka 120a6e
    assert(src.getFormat() == m_sndtrack->getFormat());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return (mixT(
Shinya Kitaoka 120a6e
        const_cast<tsoundtrackstereo8unsigned *="">(&src), m_alpha1,</tsoundtrackstereo8unsigned>
Shinya Kitaoka 120a6e
        dynamic_cast<tsoundtrackstereo8unsigned *="">(m_sndtrack.getPointer()),</tsoundtrackstereo8unsigned>
Shinya Kitaoka 120a6e
        m_alpha2));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono16 &src) override {
Shinya Kitaoka 120a6e
    assert(src.getFormat() == m_sndtrack->getFormat());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return (mixT(const_cast<tsoundtrackmono16 *="">(&src), m_alpha1,</tsoundtrackmono16>
Shinya Kitaoka 120a6e
                 dynamic_cast<tsoundtrackmono16 *="">(m_sndtrack.getPointer()),</tsoundtrackmono16>
Shinya Kitaoka 120a6e
                 m_alpha2));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo16 &src) override {
Shinya Kitaoka 120a6e
    assert(src.getFormat() == m_sndtrack->getFormat());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return (mixT(const_cast<tsoundtrackstereo16 *="">(&src), m_alpha1,</tsoundtrackstereo16>
Shinya Kitaoka 120a6e
                 dynamic_cast<tsoundtrackstereo16 *="">(m_sndtrack.getPointer()),</tsoundtrackstereo16>
Shinya Kitaoka 120a6e
                 m_alpha2));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono24 &src) override {
Shinya Kitaoka 120a6e
    assert(src.getFormat() == m_sndtrack->getFormat());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return (mixT(const_cast<tsoundtrackmono24 *="">(&src), m_alpha1,</tsoundtrackmono24>
Shinya Kitaoka 120a6e
                 dynamic_cast<tsoundtrackmono24 *="">(m_sndtrack.getPointer()),</tsoundtrackmono24>
Shinya Kitaoka 120a6e
                 m_alpha2));
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo24 &src) override {
Shinya Kitaoka 120a6e
    assert(src.getFormat() == m_sndtrack->getFormat());
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
    return (mixT(const_cast<tsoundtrackstereo24 *="">(&src), m_alpha1,</tsoundtrackstereo24>
Shinya Kitaoka 120a6e
                 dynamic_cast<tsoundtrackstereo24 *="">(m_sndtrack.getPointer()),</tsoundtrackstereo24>
Shinya Kitaoka 120a6e
                 m_alpha2));
Shinya Kitaoka 120a6e
  }
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::mix(const TSoundTrackP &st1, const TSoundTrackP &st2,
Shinya Kitaoka 120a6e
                       double a1, double a2) {
Shinya Kitaoka 120a6e
  TSoundTrackMixer *converter;
Shinya Kitaoka 120a6e
  a1               = tcrop<double>(a1, 0.0, 1.0);</double>
Shinya Kitaoka 120a6e
  a2               = tcrop<double>(a2, 0.0, 1.0);</double>
Shinya Kitaoka 120a6e
  converter        = new TSoundTrackMixer(a1, a2, st2);
Shinya Kitaoka 120a6e
  TSoundTrackP snd = st1->apply(converter);
Shinya Kitaoka 120a6e
  delete converter;
Shinya Kitaoka 120a6e
  return (snd);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
// TSop::FadeIn
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class t=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP doFadeIn(const TSoundTrackT<t> &track, double riseFactor) {</t>
Shinya Kitaoka 120a6e
  typedef typename T::ChannelValueType ChannelValueType;
Shinya Kitaoka 120a6e
  int sampleCount = (int)((double)track.getSampleCount() * riseFactor);
Shinya Kitaoka 120a6e
  if (!sampleCount) sampleCount = 1;
Shinya Kitaoka 120a6e
  assert(sampleCount);
Shinya Kitaoka 120a6e
  int channelCount = track.getChannelCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackT<t> *out =</t>
Shinya Kitaoka 120a6e
      new TSoundTrackT<t>(track.getSampleRate(), channelCount, sampleCount);</t>
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  double val[2], step[2];
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  ChannelValueType chan[2];
Shinya Kitaoka 120a6e
  const T *firstSample = track.samples();
Shinya Kitaoka 120a6e
  for (int k = 0; k < channelCount; ++k) {
Shinya Kitaoka 120a6e
    chan[k] = firstSample->getValue(k);
Shinya Kitaoka 120a6e
    if (firstSample->isSampleSigned()) {
Shinya Kitaoka 120a6e
      val[k]  = 0;
Shinya Kitaoka 120a6e
      step[k] = (double)chan[k] / (double)sampleCount;
Shinya Kitaoka 120a6e
    } else {
Shinya Kitaoka 120a6e
      val[k]  = 127;
Shinya Kitaoka 120a6e
      step[k] = (double)(chan[k] - 128) / (double)sampleCount;
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  T *psample = out->samples();
Shinya Kitaoka 120a6e
  T *end     = psample + out->getSampleCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  while (psample < end) {
Shinya Kitaoka 120a6e
    T sample;
Shinya Kitaoka 120a6e
    for (int k = 0; k < channelCount; ++k) {
Shinya Kitaoka 120a6e
      sample.setValue(k, (ChannelValueType)val[k]);
Shinya Kitaoka 120a6e
      val[k] += step[k];
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
    *psample = sample;
Shinya Kitaoka 120a6e
    ++psample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return out;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundTrackFaderIn final : public TSoundTransform {
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TSoundTrackFaderIn(double riseFactor)
Shinya Kitaoka 120a6e
      : TSoundTransform(), m_riseFactor(riseFactor) {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Signed &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Unsigned &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono16 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo16 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono24 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo24 &) override;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  double m_riseFactor;
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderIn::compute(const TSoundTrackMono8Signed &track) {
Shinya Kitaoka 120a6e
  return doFadeIn(track, m_riseFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderIn::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackStereo8Signed &track) {
Shinya Kitaoka 120a6e
  return doFadeIn(track, m_riseFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderIn::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackMono8Unsigned &track) {
Shinya Kitaoka 120a6e
  return doFadeIn(track, m_riseFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderIn::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackStereo8Unsigned &track) {
Shinya Kitaoka 120a6e
  return doFadeIn(track, m_riseFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderIn::compute(const TSoundTrackMono16 &track) {
Shinya Kitaoka 120a6e
  return doFadeIn(track, m_riseFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderIn::compute(const TSoundTrackStereo16 &track) {
Shinya Kitaoka 120a6e
  return doFadeIn(track, m_riseFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderIn::compute(const TSoundTrackMono24 &track) {
Shinya Kitaoka 120a6e
  return doFadeIn(track, m_riseFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderIn::compute(const TSoundTrackStereo24 &track) {
Shinya Kitaoka 120a6e
  return doFadeIn(track, m_riseFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::fadeIn(const TSoundTrackP src, double riseFactor) {
Shinya Kitaoka 120a6e
  TSoundTrackFaderIn *fader = new TSoundTrackFaderIn(riseFactor);
Shinya Kitaoka 120a6e
  TSoundTrackP out          = src->apply(fader);
Shinya Kitaoka 120a6e
  delete fader;
Shinya Kitaoka 120a6e
  return out;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
// TSop::FadeOut
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class t=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP doFadeOut(const TSoundTrackT<t> &track, double decayFactor) {</t>
Shinya Kitaoka 120a6e
  typedef typename T::ChannelValueType ChannelValueType;
Shinya Kitaoka 120a6e
  int sampleCount = (int)((double)track.getSampleCount() * decayFactor);
Shinya Kitaoka 120a6e
  if (!sampleCount) sampleCount = 1;
Shinya Kitaoka 120a6e
  assert(sampleCount);
Shinya Kitaoka 120a6e
  int channelCount = track.getChannelCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackT<t> *out =</t>
Shinya Kitaoka 120a6e
      new TSoundTrackT<t>(track.getSampleRate(), channelCount, sampleCount);</t>
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  double val[2], step[2];
Shinya Kitaoka 120a6e
  ChannelValueType chan[2];
Shinya Kitaoka 120a6e
  const T *lastSample = (track.samples() + track.getSampleCount() - 1);
Shinya Kitaoka 120a6e
  for (int k = 0; k < channelCount; ++k) {
Shinya Kitaoka 120a6e
    chan[k] = lastSample->getValue(k);
Shinya Kitaoka 120a6e
    val[k]  = (double)chan[k];
Shinya Kitaoka 120a6e
    if (lastSample->isSampleSigned())
Shinya Kitaoka 120a6e
      step[k] = (double)chan[k] / (double)sampleCount;
Shinya Kitaoka 120a6e
    else
Shinya Kitaoka 120a6e
      step[k] = (double)(chan[k] - 128) / (double)sampleCount;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  T *psample = out->samples();
Shinya Kitaoka 120a6e
  T *end     = psample + out->getSampleCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  while (psample < end) {
Shinya Kitaoka 120a6e
    T sample;
Shinya Kitaoka 120a6e
    for (int k = 0; k < channelCount; ++k) {
Shinya Kitaoka 120a6e
      sample.setValue(k, (ChannelValueType)val[k]);
Shinya Kitaoka 120a6e
      val[k] -= step[k];
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
    *psample = sample;
Shinya Kitaoka 120a6e
    ++psample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return out;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundTrackFaderOut final : public TSoundTransform {
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TSoundTrackFaderOut(double decayFactor)
Shinya Kitaoka 120a6e
      : TSoundTransform(), m_decayFactor(decayFactor) {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Signed &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Unsigned &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono16 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo16 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono24 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo24 &) override;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  double m_decayFactor;
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderOut::compute(const TSoundTrackMono8Signed &track) {
Shinya Kitaoka 120a6e
  return doFadeOut(track, m_decayFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderOut::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackStereo8Signed &track) {
Shinya Kitaoka 120a6e
  return doFadeOut(track, m_decayFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderOut::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackMono8Unsigned &track) {
Shinya Kitaoka 120a6e
  return doFadeOut(track, m_decayFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderOut::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackStereo8Unsigned &track) {
Shinya Kitaoka 120a6e
  return doFadeOut(track, m_decayFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderOut::compute(const TSoundTrackMono16 &track) {
Shinya Kitaoka 120a6e
  return doFadeOut(track, m_decayFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderOut::compute(const TSoundTrackStereo16 &track) {
Shinya Kitaoka 120a6e
  return doFadeOut(track, m_decayFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderOut::compute(const TSoundTrackMono24 &track) {
Shinya Kitaoka 120a6e
  return doFadeOut(track, m_decayFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackFaderOut::compute(const TSoundTrackStereo24 &track) {
Shinya Kitaoka 120a6e
  return doFadeOut(track, m_decayFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::fadeOut(const TSoundTrackP src, double decayFactor) {
Shinya Kitaoka 120a6e
  TSoundTrackFaderOut *fader = new TSoundTrackFaderOut(decayFactor);
Shinya Kitaoka 120a6e
  TSoundTrackP out           = src->apply(fader);
Shinya Kitaoka 120a6e
  delete fader;
Shinya Kitaoka 120a6e
  return out;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
// TSop::CrossFade
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class t=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP doCrossFade(const TSoundTrackT<t> &track1, TSoundTrackT<t> *track2,</t></t>
Shinya Kitaoka 120a6e
                         double crossFactor) {
Shinya Kitaoka 120a6e
  typedef typename T::ChannelValueType ChannelValueType;
Shinya Kitaoka 120a6e
  int channelCount = track2->getChannelCount();
Shinya Kitaoka 120a6e
  int sampleCount  = (int)((double)track2->getSampleCount() * crossFactor);
Shinya Kitaoka 120a6e
  if (!sampleCount) sampleCount = 1;
Shinya Kitaoka 120a6e
  assert(sampleCount);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // ultimo campione di track1
Shinya Kitaoka 120a6e
  ChannelValueType chanTrack1[2];
Shinya Kitaoka 120a6e
  const T *lastSample = (track1.samples() + track1.getSampleCount() - 1);
Shinya Kitaoka 120a6e
  int k;
Shinya Kitaoka 120a6e
  for (k = 0; k < channelCount; ++k) chanTrack1[k] = lastSample->getValue(k);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  double val[2], step[2];
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // primo campione di track2
Shinya Kitaoka 120a6e
  ChannelValueType chanTrack2[2];
Shinya Kitaoka 120a6e
  const T *firstSample = track2->samples();
Shinya Kitaoka 120a6e
  for (k = 0; k < channelCount; ++k) {
Shinya Kitaoka 120a6e
    chanTrack2[k] = firstSample->getValue(k);
Shinya Kitaoka 120a6e
    val[k]        = chanTrack1[k] - chanTrack2[k];
Shinya Kitaoka 120a6e
    step[k]       = val[k] / (double)sampleCount;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackT<t> *out =</t>
Shinya Kitaoka 120a6e
      new TSoundTrackT<t>(track2->getSampleRate(), channelCount, sampleCount);</t>
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  T *psample = out->samples();
Shinya Kitaoka 120a6e
  T *end     = psample + out->getSampleCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  while (psample < end) {
Shinya Kitaoka 120a6e
    T sample;
Shinya Kitaoka 120a6e
    for (int k = 0; k < channelCount; ++k) {
Shinya Kitaoka 120a6e
      double tot             = (double)firstSample->getValue(k) + val[k];
Shinya Kitaoka 120a6e
      ChannelValueType value = (ChannelValueType)tot;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
      sample.setValue(k, value);
Shinya Kitaoka 120a6e
      val[k] -= step[k];
Shinya Kitaoka 120a6e
    }
Shinya Kitaoka 120a6e
    *psample = sample;
Shinya Kitaoka 120a6e
    ++psample;
Shinya Kitaoka 120a6e
    //++firstSample;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  return out;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundTrackCrossFader final : public TSoundTransform {
Toshihiro Shimizu 890ddd
public:
Shinya Kitaoka 120a6e
  TSoundTrackCrossFader(TSoundTrackP src, double crossFactor)
Shinya Kitaoka 120a6e
      : TSoundTransform(), m_st(src), m_crossFactor(crossFactor) {}
Shinya Kitaoka 120a6e
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Signed &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Unsigned &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono16 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo16 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono24 &) override;
Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackStereo24 &) override;
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  TSoundTrackP m_st;
Shinya Kitaoka 120a6e
  double m_crossFactor;
Toshihiro Shimizu 890ddd
};
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFader::compute(const TSoundTrackMono8Signed &src) {
Shinya Kitaoka 120a6e
  assert(src.getFormat() == m_st->getFormat());
Shinya Kitaoka 120a6e
  return doCrossFade(src,
Shinya Kitaoka 120a6e
                     dynamic_cast<tsoundtrackmono8signed *="">(m_st.getPointer()),</tsoundtrackmono8signed>
Shinya Kitaoka 120a6e
                     m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFader::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackStereo8Signed &src) {
Shinya Kitaoka 120a6e
  assert(src.getFormat() == m_st->getFormat());
Shinya Kitaoka 120a6e
  return doCrossFade(
Shinya Kitaoka 120a6e
      src, dynamic_cast<tsoundtrackstereo8signed *="">(m_st.getPointer()),</tsoundtrackstereo8signed>
Shinya Kitaoka 120a6e
      m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFader::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackMono8Unsigned &src) {
Shinya Kitaoka 120a6e
  assert(src.getFormat() == m_st->getFormat());
Shinya Kitaoka 120a6e
  return doCrossFade(
Shinya Kitaoka 120a6e
      src, dynamic_cast<tsoundtrackmono8unsigned *="">(m_st.getPointer()),</tsoundtrackmono8unsigned>
Shinya Kitaoka 120a6e
      m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFader::compute(
Shinya Kitaoka 120a6e
    const TSoundTrackStereo8Unsigned &src) {
Shinya Kitaoka 120a6e
  assert(src.getFormat() == m_st->getFormat());
Shinya Kitaoka 120a6e
  return doCrossFade(
Shinya Kitaoka 120a6e
      src, dynamic_cast<tsoundtrackstereo8unsigned *="">(m_st.getPointer()),</tsoundtrackstereo8unsigned>
Shinya Kitaoka 120a6e
      m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFader::compute(const TSoundTrackMono16 &src) {
Shinya Kitaoka 120a6e
  assert(src.getFormat() == m_st->getFormat());
Shinya Kitaoka 120a6e
  return doCrossFade(src, dynamic_cast<tsoundtrackmono16 *="">(m_st.getPointer()),</tsoundtrackmono16>
Shinya Kitaoka 120a6e
                     m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFader::compute(const TSoundTrackStereo16 &src) {
Shinya Kitaoka 120a6e
  assert(src.getFormat() == m_st->getFormat());
Shinya Kitaoka 120a6e
  return doCrossFade(src,
Shinya Kitaoka 120a6e
                     dynamic_cast<tsoundtrackstereo16 *="">(m_st.getPointer()),</tsoundtrackstereo16>
Shinya Kitaoka 120a6e
                     m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFader::compute(const TSoundTrackMono24 &src) {
Shinya Kitaoka 120a6e
  assert(src.getFormat() == m_st->getFormat());
Shinya Kitaoka 120a6e
  return doCrossFade(src, dynamic_cast<tsoundtrackmono24 *="">(m_st.getPointer()),</tsoundtrackmono24>
Shinya Kitaoka 120a6e
                     m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFader::compute(const TSoundTrackStereo24 &src) {
Shinya Kitaoka 120a6e
  assert(src.getFormat() == m_st->getFormat());
Shinya Kitaoka 120a6e
  return doCrossFade(src,
Shinya Kitaoka 120a6e
                     dynamic_cast<tsoundtrackstereo24 *="">(m_st.getPointer()),</tsoundtrackstereo24>
Shinya Kitaoka 120a6e
                     m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::crossFade(const TSoundTrackP src1, const TSoundTrackP src2,
Shinya Kitaoka 120a6e
                             double crossFactor) {
Shinya Kitaoka 120a6e
  TSoundTrackCrossFader *fader = new TSoundTrackCrossFader(src2, crossFactor);
Shinya Kitaoka 120a6e
  TSoundTrackP out             = src1->apply(fader);
Shinya Kitaoka 120a6e
  delete fader;
Shinya Kitaoka 120a6e
  return out;
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
// TSop::CrossFadeOverWrite
Toshihiro Shimizu 890ddd
//
Toshihiro Shimizu 890ddd
//==============================================================================
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
template <class t=""></class>
Shinya Kitaoka 120a6e
TSoundTrackP doCrossFadeOverWrite(const TSoundTrackT<t> &track1,</t>
Shinya Kitaoka 120a6e
                                  TSoundTrackT<t> *track2, double crossFactor) {</t>
Shinya Kitaoka 120a6e
  typedef typename T::ChannelValueType ChannelValueType;
Shinya Kitaoka 120a6e
  int channelCount  = track2->getChannelCount();
Shinya Kitaoka 120a6e
  int sampleCount   = (int)((double)track2->getSampleCount() * crossFactor);
Shinya Kitaoka 120a6e
  int sampleCountT2 = track2->getSampleCount();
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  if (sampleCount == 0 && sampleCountT2 == 1) return track2;
Shinya Kitaoka 120a6e
  if (sampleCount == 0) sampleCount = 1;
Shinya Kitaoka 120a6e
  assert(sampleCount);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // ultimo campione di track1
Shinya Kitaoka 120a6e
  ChannelValueType chanTrack1[2];
Shinya Kitaoka 120a6e
  const T *lastSample = (track1.samples() + track1.getSampleCount() - 1);
Shinya Kitaoka 120a6e
  int k;
Shinya Kitaoka 120a6e
  for (k = 0; k < channelCount; ++k) chanTrack1[k] = lastSample->getValue(k);
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  double val[2], step[2];
Shinya Kitaoka 120a6e
Shinya Kitaoka 120a6e
  // primo campione di track2
Shinya Kitaoka 120a6e
  ChannelValueType chanTrack2[2];
Shinya Kitaoka 120a6e
  const T *firstSample = track2->samples() + sampleCount;
Shinya Kitaoka 120a6e
  for (k = 0; k < channelCount; ++k) {
Shinya Kitaoka 120a6e
    chanTrack2[k] = firstSample->getValue(k);
Shinya Kitaoka 120a6e
    val[k]        = chanTrack1[k] - chanTrack2[k];
Shinya Kitaoka 120a6e
    step[k]       = val[k] / (double)sampleCount;
Shinya Kitaoka 120a6e
  }
Shinya Kitaoka 120a6e
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  TSoundTrackT<t> *out =</t>
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      new TSoundTrackT<t>(track2->getSampleRate(), channelCount, sampleCountT2);</t>
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  T *psample = out->samples();
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  T *end     = psample + sampleCount;
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  while (psample < end) {
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    T sample;
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    for (int k = 0; k < channelCount; ++k) {
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      double tot             = (double)firstSample->getValue(k) + val[k];
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      ChannelValueType value = (ChannelValueType)tot;
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      sample.setValue(k, value);
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      val[k] -= step[k];
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    }
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    *psample = sample;
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    ++psample;
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  }
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  out->copy(track2->extract(sampleCount, sampleCountT2 - 1), sampleCount);
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  return out;
Toshihiro Shimizu 890ddd
}
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Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka d1f6c4
class TSoundTrackCrossFaderOverWrite final : public TSoundTransform {
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public:
Shinya Kitaoka 120a6e
  TSoundTrackCrossFaderOverWrite(TSoundTrackP src, double crossFactor)
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      : TSoundTransform(), m_st(src), m_crossFactor(crossFactor) {}
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Shinya Kitaoka 473e70
  TSoundTrackP compute(const TSoundTrackMono8Signed &) override;
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  TSoundTrackP compute(const TSoundTrackStereo8Signed &) override;
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  TSoundTrackP compute(const TSoundTrackMono8Unsigned &) override;
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  TSoundTrackP compute(const TSoundTrackStereo8Unsigned &) override;
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  TSoundTrackP compute(const TSoundTrackMono16 &) override;
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  TSoundTrackP compute(const TSoundTrackStereo16 &) override;
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  TSoundTrackP compute(const TSoundTrackMono24 &) override;
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  TSoundTrackP compute(const TSoundTrackStereo24 &) override;
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  TSoundTrackP m_st;
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  double m_crossFactor;
Toshihiro Shimizu 890ddd
};
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Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
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TSoundTrackP TSoundTrackCrossFaderOverWrite::compute(
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    const TSoundTrackMono8Signed &src) {
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  assert(src.getFormat() == m_st->getFormat());
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  return doCrossFadeOverWrite(
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      src, dynamic_cast<tsoundtrackmono8signed *="">(m_st.getPointer()),</tsoundtrackmono8signed>
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      m_crossFactor);
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}
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//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFaderOverWrite::compute(
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    const TSoundTrackStereo8Signed &src) {
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  assert(src.getFormat() == m_st->getFormat());
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  return doCrossFadeOverWrite(
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      src, dynamic_cast<tsoundtrackstereo8signed *="">(m_st.getPointer()),</tsoundtrackstereo8signed>
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      m_crossFactor);
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}
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Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFaderOverWrite::compute(
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    const TSoundTrackMono8Unsigned &src) {
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  assert(src.getFormat() == m_st->getFormat());
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  return doCrossFadeOverWrite(
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      src, dynamic_cast<tsoundtrackmono8unsigned *="">(m_st.getPointer()),</tsoundtrackmono8unsigned>
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      m_crossFactor);
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}
Toshihiro Shimizu 890ddd
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//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFaderOverWrite::compute(
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    const TSoundTrackStereo8Unsigned &src) {
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  assert(src.getFormat() == m_st->getFormat());
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  return doCrossFadeOverWrite(
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      src, dynamic_cast<tsoundtrackstereo8unsigned *="">(m_st.getPointer()),</tsoundtrackstereo8unsigned>
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      m_crossFactor);
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
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//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFaderOverWrite::compute(
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    const TSoundTrackMono16 &src) {
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  assert(src.getFormat() == m_st->getFormat());
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  return doCrossFadeOverWrite(
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      src, dynamic_cast<tsoundtrackmono16 *="">(m_st.getPointer()), m_crossFactor);</tsoundtrackmono16>
Toshihiro Shimizu 890ddd
}
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//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFaderOverWrite::compute(
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    const TSoundTrackStereo16 &src) {
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  assert(src.getFormat() == m_st->getFormat());
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  return doCrossFadeOverWrite(
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      src, dynamic_cast<tsoundtrackstereo16 *="">(m_st.getPointer()),</tsoundtrackstereo16>
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      m_crossFactor);
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}
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Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFaderOverWrite::compute(
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    const TSoundTrackMono24 &src) {
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  assert(src.getFormat() == m_st->getFormat());
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  return doCrossFadeOverWrite(
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      src, dynamic_cast<tsoundtrackmono24 *="">(m_st.getPointer()), m_crossFactor);</tsoundtrackmono24>
Toshihiro Shimizu 890ddd
}
Toshihiro Shimizu 890ddd
Toshihiro Shimizu 890ddd
//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSoundTrackCrossFaderOverWrite::compute(
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    const TSoundTrackStereo24 &src) {
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  assert(src.getFormat() == m_st->getFormat());
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  return doCrossFadeOverWrite(
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      src, dynamic_cast<tsoundtrackstereo24 *="">(m_st.getPointer()),</tsoundtrackstereo24>
Shinya Kitaoka 120a6e
      m_crossFactor);
Toshihiro Shimizu 890ddd
}
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//------------------------------------------------------------------------------
Toshihiro Shimizu 890ddd
Shinya Kitaoka 120a6e
TSoundTrackP TSop::crossFade(double crossFactor, const TSoundTrackP src1,
Shinya Kitaoka 120a6e
                             const TSoundTrackP src2) {
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  TSoundTrackCrossFaderOverWrite *fader =
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      new TSoundTrackCrossFaderOverWrite(src2, crossFactor);
Shinya Kitaoka 120a6e
  TSoundTrackP out = src1->apply(fader);
Shinya Kitaoka 120a6e
  delete fader;
Shinya Kitaoka 120a6e
  return out;
Toshihiro Shimizu 890ddd
}