Ejemplo n.º 1
0
static void streaming_up_down_test(const SRCParams &params)
{
  // Source noise
  Samples noise(noise_size);
  RNG(seed).fill_samples(noise, noise_size);
  // Upsampled buffer
  Samples buf1(size_t(double(noise_size + 1) * params.fd / params.fs) + 1);
  // Downsampled buffer
  Samples buf2(noise_size + 100);

  StreamingSRC src;

  BOOST_REQUIRE(src.open(params));
  size_t buf1_data = resample(src, noise, noise_size, buf1, buf1.size());

  BOOST_REQUIRE(src.open(SRCParams(params.fd, params.fs, params.a, params.q)));
  size_t buf2_data = resample(src, buf1, buf1_data, buf2, buf2.size());

  BOOST_CHECK(abs(int(buf2_data) - int(noise_size)) <= 1);

  // Resample introduces not more than -A dB of noise.
  // 2 resamples introduces twice more noise, -A + 6dB
  sample_t diff = diff_resampled(params, noise, buf2, MIN(noise_size, buf2_data));
  BOOST_MESSAGE("Transform: " << params.fs << "Hz <-> " << params.fd << "Hz Diff: " << value2db(diff) << " dB");
  BOOST_CHECK_LE(value2db(diff), -params.a + 7);
}
Ejemplo n.º 2
0
void TvolumePage::TvolumeTbr::getEditMinMaxVal(const TffdshowParamInfo &info, int *min, int *max, int *val)
{
    if (isdb) {
        *min = -30;
        *max = 30;
        *val = ff_round(value2db(self->deci->getParam2(info.id) / 100.0));
    } else {
        TwidgetSubclassTbr::getEditMinMaxVal(info, min, max, val);
    }
}
Ejemplo n.º 3
0
void TvolumePage::normalize2dlg(void)
{
    setCheck(IDC_CHB_VOLUME_NORMALIZE, cfgGet(IDFF_volumeNormalize));
    int val = cfgGet(IDFF_maxNormalization);
    if (isdb) {
        val = limit(ff_round(value2db(val / 100.0)), 0, 30);
    }
    SetDlgItemInt(m_hwnd, IDC_ED_VOLUME_NORMALIZE_MAX, val, FALSE);
    setCheck(IDC_CHB_NORMALIZE_RESETONSEEK, cfgGet(IDFF_volumeNormalizeResetOnSeek));
    setCheck(IDC_CHB_NORMALIZE_REGAINVOLUME, cfgGet(IDFF_volumeNormalizeRegainVolume));
}
Ejemplo n.º 4
0
string
BassRedir::info() const
{
  std::stringstream s;
  s << std::boolalpha << std::fixed << std::setprecision(1);
  s << "Enabled: " << enabled << (is_active()? " (active)": " (inactive)") << nl;
  s << "Crossover frequency: " << freq << "Hz" << nl;
  s << "Bass destination: ";
  if (ch_mask == MODE_STEREO)
    s << "front channels";
  else if (ch_mask == CH_MASK_LFE)
    s << "subwoofer";
  else
    s << "0x" << std::hex << ch_mask << std::dec;
  s << nl;
  s << "Bass gain: " << value2db(gain) << "dB" << nl;
  return s.str();
}
Ejemplo n.º 5
0
void 
LevelsHistogram::add_levels(sample_t levels[NCHANNELS])
{
  for (int ch = 0; ch < NCHANNELS; ch++)
    if (levels[ch] > 1e-50)
    {
      if (levels[ch] > max_level[ch])
        max_level[ch] = levels[ch];

      int level = -int(value2db(levels[ch]) / dbpb);

      if (level < 0) 
        level = 0;

      if (level < MAX_HISTOGRAM)
        histogram[ch][level]++;
    }
  n++;
}
Ejemplo n.º 6
0
string
AudioProcessor::info() const
{
  double level = dithering_level();

  std::stringstream s;
  s << std::boolalpha << std::fixed << std::setprecision(1);
  s << "User format: " << user_spk.print() << nl;
  s << "Dithering mode: ";
  switch (dithering)
  {
    case DITHER_NONE:   s << "no dithering"; break;
    case DITHER_AUTO:   s << (level == 0? "auto (disabled)": "auto (enabled)"); break;
    case DITHER_ALWAYS: s << "always dither"; break;
    default:            s << "unknown"; break;
  }
  s << nl;
  if (level != 0)
    s << "Dithering level: " << std::setprecision(0) << value2db(level) << "dB" << nl;
  s << "Filter chain:\n" << chain.info();
  return s.str();
}
Ejemplo n.º 7
0
void TvolumePage::cfg2volTbr(int tbr, int lbl, int idff, int lbltran, int mult)
{
    int x = cfgGet(idff);
    if (isdb) {
        int db = ff_round(value2db(x / 100.0));
        tbrSet(tbr, mult * db);
        if (lbltran) {
            setText(lbl, _l("%s %i dB"), _(lbltran), db);
        } else {
            setText(lbl, _l("%i dB"), db);
        }
    } else {
        if (!isIn(x, 0, 300)) {
            cfgSet(idff, x = limit(x, 0, 300));
        }
        tbrSet(tbr, mult * x);
        if (lbltran) {
            setText(lbl, _l("%s %i%%"), _(lbltran), x);
        } else {
            setText(lbl, _l("%i%%"), x);
        }
    }
}
Ejemplo n.º 8
0
void TvolumePage::onFrame(void)
{
    int amp = (filter && getCheck(IDC_CHB_VOLUME_NORMALIZE) && getCheck(IDC_CHB_VOLUME)) ? filter->getCurrentNormalization() : 100;
    if (isdb) {
        setText(IDC_LBL_VOLUME_NORMALIZE_CURRENT, _l("%s %4.1f dB"), _(IDC_LBL_VOLUME_NORMALIZE_CURRENT), value2db(amp / 100.0));
    } else {
        setText(IDC_LBL_VOLUME_NORMALIZE_CURRENT, _l("%s %i%%"), _(IDC_LBL_VOLUME_NORMALIZE_CURRENT), amp);
    }
    if (getCheck(IDC_CHB_VOLUME_SHOWCURRENT)) {
        unsigned int numchannels;
        int channels[8], volumes[8];
        if (filter && filter->getVolumeData(&numchannels, channels, volumes) == S_OK) {
            bool isPbr[8];
            memset(isPbr, 0, sizeof(isPbr));
            for (unsigned int i = 0; i < numchannels; i++) {
                int pbr;
                if (channels[i]&SPEAKER_FRONT_LEFT) {
                    pbr = IDC_PBR_VOLUME_L;
                    isPbr[0] = true;
                } else if (channels[i]&SPEAKER_FRONT_RIGHT) {
                    pbr = IDC_PBR_VOLUME_R;
                    isPbr[2] = true;
                } else if (channels[i]&SPEAKER_FRONT_CENTER) {
                    pbr = IDC_PBR_VOLUME_C;
                    isPbr[1] = true;
                } else if (channels[i] & (SPEAKER_BACK_LEFT | SPEAKER_BACK_CENTER)) {
                    pbr = IDC_PBR_VOLUME_SL;
                    isPbr[3] = true;
                } else if (channels[i]&SPEAKER_BACK_RIGHT) {
                    pbr = IDC_PBR_VOLUME_SR;
                    isPbr[4] = true;
                } else if (channels[i]&SPEAKER_SIDE_LEFT) {
                    pbr = IDC_PBR_VOLUME_AL;
                    isPbr[5] = true;
                } else if (channels[i]&SPEAKER_SIDE_RIGHT) {
                    pbr = IDC_PBR_VOLUME_AR;
                    isPbr[6] = true;
                } else if (channels[i]&SPEAKER_LOW_FREQUENCY) {
                    pbr = IDC_PBR_VOLUME_LFE;
                    isPbr[7] = true;
                } else {
                    continue;
                }
                SendDlgItemMessage(m_hwnd, pbr, PBM_SETPOS, volumes[i] ? 50 + ff_round(value2db(volumes[i] / 65536.0)) : 0, 0);
                //SendDlgItemMessage(m_hwnd,pbr,PBM_SETBARCOLOR,0,LPARAM(CLR_DEFAULT));
            }
            for (unsigned int i = 0; i < countof(isPbr); i++)
                if (!isPbr[i]) {
                    SendDlgItemMessage(m_hwnd, pbrs[i], PBM_SETPOS, 0, 0);
                    //SendDlgItemMessage(m_hwnd,pbrs[i],PBM_SETBARCOLOR,0,LPARAM(CLR_NONE));
                }
            return;
        }
    }
    for (int i = 0; i < 6; i++) {
        SendDlgItemMessage(m_hwnd, pbrs[i], PBM_SETPOS, 0, 0);
    }
}