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libZPlay documentation (Win32)
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ZPlay::GetEqualizerParam Method
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libZPlay documentation (Win32)
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Get equalizer parameters, band gain and preamp gain.
virtual __stdcall int GetEqualizerParam(int * pnPreAmpGain, int * pnBandGain, int nNumberOfBands) = 0;
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Parameters |
Description |
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int * pnBandGain |
Pointer to array of integers receiving gain for each band in millidecibels (thousandth of decibel). If this value is 0 function returns number of equalizer bands.  Caution: User must allocate memory for this array. |
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int nNumberOfBands |
Number of frequency bands. If this value is 0, function returns number of equalizer bands. |
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nPreAmpGain |
Pointer to integer variable receiving preamp gain in millidecibels.
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Number of equalizer bands.
If nPreAmpGain is NULL or pnBandGain is NULL or nNumberOfBands is 0, function returns number of equalizer bands. Use this function to allocate mmeory for nPreAmpGain array.
Note: Band gain is expressed in millidecibels.
Class has by default 10 equalizer bands. See SetEqualizerPoints. If you create custom bands, use correct number of bands as nNumberOfBands parameter. And don't forget to specify pnBandGain array with correct size.
SetEqualizerParam, SetEqualizerPoints, GetEqualizerPoints, SetEqualizerPreampGain, GetEqualizerPreampGain, SetEqualizerBandGain, GetEqualizerBandGain, EnableEqualizer
zplay_SetEqualizerParam zplay_SetEqualizerPoints, zplay_GetEqualizerPoints, zplay_SetEqualizerPreampGain, zplay_GetEqualizerPreampGain, zplay_SetEqualizerBandGain, zplay_GetEqualizerBandGain, zplay_EnableEqualizer
Get equalizer parameters.
int nNumOfBands = instance->GetEqualizerParam(NULL, NULL, 0); // get number of equalizer bands int *pGain = new int[nNumOfBands]; // allocate memory int nPreamp; int i; int number_of_bands = instance->GetEqualizerParam(&nPreamp, pGain, nNumOfBands); // retrieve gains for(i = 0; i < number_of_bands; i++) { printf("Band %i: %i\n", i, pGain[i]); } delete [] pGain;
int nNumOfBands = zplay_GetEqualizerParam(instance, NULL, NULL, 0); // get number of equalizer bands int *pGain = new int[nNumOfBands]; // allocate memory int nPreamp; int i; int number_of_bands = zplay_GetEqualizerParam(instance, &nPreamp, pGain, nNumOfBands); // retrieve gains for(i = 0; i < number_of_bands; i++) { printf("Band %i: %i\n", i, pGain[i]); } delete [] pGain;
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Copyright (c) 2010. Zoran Cindori - All rights reserved.
Web: http://libzplay.sourceforge.net/ Email: zcindori@inet.hr |
