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/*
* libADLMIDI is a free MIDI to WAV conversion library with OPL3 emulation
*
* Original ADLMIDI code: Copyright (c) 2010-2014 Joel Yliluoma <bisqwit@iki.fi>
* ADLMIDI Library API: Copyright (c) 2017 Vitaly Novichkov <admin@wohlnet.ru>
*
* Library is based on the ADLMIDI, a MIDI player for Linux and Windows with OPL3 emulation:
* http://iki.fi/bisqwit/source/adlmidi.html
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "adlmidi_private.hpp"
std::string ADLMIDI_ErrorString;
int adlRefreshNumCards(ADL_MIDIPlayer *device)
{
unsigned n_fourop[2] = {0, 0}, n_total[2] = {0, 0};
for(unsigned a = 0; a < 256; ++a)
{
unsigned insno = banks[device->AdlBank][a];
if(insno == 198) continue;
++n_total[a / 128];
if(adlins[insno].adlno1 != adlins[insno].adlno2)
++n_fourop[a / 128];
}
device->NumFourOps =
(n_fourop[0] >= n_total[0] * 7 / 8) ? device->NumCards * 6
: (n_fourop[0] < n_total[0] * 1 / 8) ? 0
: (device->NumCards == 1 ? 1 : device->NumCards * 4);
reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.NumFourOps = device->NumFourOps;
if(n_fourop[0] >= n_total[0] * 15 / 16 && device->NumFourOps == 0)
{
ADLMIDI_ErrorString = "ERROR: You have selected a bank that consists almost exclusively of four-op patches.\n"
" The results (silence + much cpu load) would be probably\n"
" not what you want, therefore ignoring the request.\n";
return -1;
}
return 0;
}
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