mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-23 04:22:34 +00:00
84cc7cbdd2
This is to improve compile times because the MSVC compiler tends to become slow with large lists of source files in a single project. This new project is still our stripped down copy of libadl, not the original, because that project contains a large amount of baggage we do not need.
108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/*
|
|
* 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) 2015-2018 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;
|
|
|
|
// Generator callback on audio rate ticks
|
|
|
|
#if defined(ADLMIDI_AUDIO_TICK_HANDLER)
|
|
void adl_audioTickHandler(void *instance, uint32_t chipId, uint32_t rate)
|
|
{
|
|
reinterpret_cast<MIDIplay *>(instance)->AudioTick(chipId, rate);
|
|
}
|
|
#endif
|
|
|
|
int adlCalculateFourOpChannels(MIDIplay *play, bool silent)
|
|
{
|
|
size_t n_fourop[2] = {0, 0}, n_total[2] = {0, 0};
|
|
|
|
//Automatically calculate how much 4-operator channels is necessary
|
|
#ifndef DISABLE_EMBEDDED_BANKS
|
|
if(play->m_synth.m_embeddedBank == OPL3::CustomBankTag)
|
|
#endif
|
|
{
|
|
//For custom bank
|
|
OPL3::BankMap::iterator it = play->m_synth.m_insBanks.begin();
|
|
OPL3::BankMap::iterator end = play->m_synth.m_insBanks.end();
|
|
for(; it != end; ++it)
|
|
{
|
|
size_t bank = it->first;
|
|
size_t div = (bank & OPL3::PercussionTag) ? 1 : 0;
|
|
for(size_t i = 0; i < 128; ++i)
|
|
{
|
|
adlinsdata2 &ins = it->second.ins[i];
|
|
if(ins.flags & adlinsdata::Flag_NoSound)
|
|
continue;
|
|
if((ins.flags & adlinsdata::Flag_Real4op) != 0)
|
|
++n_fourop[div];
|
|
++n_total[div];
|
|
}
|
|
}
|
|
}
|
|
#ifndef DISABLE_EMBEDDED_BANKS
|
|
else
|
|
{
|
|
//For embedded bank
|
|
for(size_t a = 0; a < 256; ++a)
|
|
{
|
|
size_t insno = banks[play->m_setup.bankId][a];
|
|
if(insno == 198)
|
|
continue;
|
|
++n_total[a / 128];
|
|
adlinsdata2 ins = adlinsdata2::from_adldata(::adlins[insno]);
|
|
if((ins.flags & adlinsdata::Flag_Real4op) != 0)
|
|
++n_fourop[a / 128];
|
|
}
|
|
}
|
|
#endif
|
|
|
|
size_t numFourOps = 0;
|
|
|
|
// All 2ops (no 4ops)
|
|
if((n_fourop[0] == 0) && (n_fourop[1] == 0))
|
|
numFourOps = 0;
|
|
// All 2op melodics and Some (or All) 4op drums
|
|
else if((n_fourop[0] == 0) && (n_fourop[1] > 0))
|
|
numFourOps = 2;
|
|
// Many 4op melodics
|
|
else if((n_fourop[0] >= (n_total[0] * 7) / 8))
|
|
numFourOps = 6;
|
|
// Few 4op melodics
|
|
else if(n_fourop[0] > 0)
|
|
numFourOps = 4;
|
|
|
|
/* //Old formula
|
|
unsigned NumFourOps = ((n_fourop[0] == 0) && (n_fourop[1] == 0)) ? 0
|
|
: (n_fourop[0] >= (n_total[0] * 7) / 8) ? play->m_setup.NumCards * 6
|
|
: (play->m_setup.NumCards == 1 ? 1 : play->m_setup.NumCards * 4);
|
|
*/
|
|
|
|
play->m_synth.m_numFourOps = static_cast<unsigned>(numFourOps * play->m_synth.m_numChips);
|
|
// Update channel categories and set up four-operator channels
|
|
if(!silent)
|
|
play->m_synth.updateChannelCategories();
|
|
|
|
return 0;
|
|
}
|