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https://github.com/ZDoom/gzdoom-gles.git
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daf6321dbc
Different volume models were means louder or quiter sounding of the rest of notes in the song. And to avoid the mess between volume models, let's use different gain factor for each volume model?
312 lines
8.3 KiB
C++
312 lines
8.3 KiB
C++
/*
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** music_timidity_mididevice.cpp
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** Provides access to TiMidity as a generic MIDI device.
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**
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**---------------------------------------------------------------------------
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** Copyright 2008 Randy Heit
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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// HEADER FILES ------------------------------------------------------------
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#include <stdlib.h>
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#include "zmusic/zmusic_internal.h"
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#include "mididevice.h"
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#ifdef HAVE_ADL
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#include "adlmidi.h"
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ADLConfig adlConfig;
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class ADLMIDIDevice : public SoftSynthMIDIDevice
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{
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struct ADL_MIDIPlayer *Renderer;
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float OutputGainFactor;
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public:
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ADLMIDIDevice(const ADLConfig *config);
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~ADLMIDIDevice();
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int OpenRenderer() override;
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int GetDeviceType() const override { return MDEV_ADL; }
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protected:
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void HandleEvent(int status, int parm1, int parm2) override;
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void HandleLongEvent(const uint8_t *data, int len) override;
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void ComputeOutput(float *buffer, int len) override;
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private:
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int LoadCustomBank(const ADLConfig *config);
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};
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enum
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{
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ME_NOTEOFF = 0x80,
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ME_NOTEON = 0x90,
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ME_KEYPRESSURE = 0xA0,
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ME_CONTROLCHANGE = 0xB0,
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ME_PROGRAM = 0xC0,
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ME_CHANNELPRESSURE = 0xD0,
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ME_PITCHWHEEL = 0xE0
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};
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//==========================================================================
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//
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// ADLMIDIDevice Constructor
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//
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//==========================================================================
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ADLMIDIDevice::ADLMIDIDevice(const ADLConfig *config)
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:SoftSynthMIDIDevice(44100)
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{
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Renderer = adl_init(44100); // todo: make it configurable
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OutputGainFactor = 3.5f;
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if (Renderer != nullptr)
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{
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adl_switchEmulator(Renderer, config->adl_emulator_id);
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adl_setRunAtPcmRate(Renderer, config->adl_run_at_pcm_rate);
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if (!LoadCustomBank(config))
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adl_setBank(Renderer, config->adl_bank);
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adl_setNumChips(Renderer, config->adl_chips_count);
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adl_setVolumeRangeModel(Renderer, config->adl_volume_model);
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adl_setSoftPanEnabled(Renderer, config->adl_fullpan);
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// TODO: Please tune the factor for each volume model to avoid too loud or too silent sounding
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switch (adl_getVolumeRangeModel(Renderer))
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{
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// Louder models
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case ADLMIDI_VolumeModel_Generic:
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case ADLMIDI_VolumeModel_9X:
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case ADLMIDI_VolumeModel_9X_GENERIC_FM:
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OutputGainFactor = 2.0f;
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break;
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// Middle volume models
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case ADLMIDI_VolumeModel_HMI:
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case ADLMIDI_VolumeModel_HMI_OLD:
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OutputGainFactor = 2.5f;
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break;
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default:
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// Quite models
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case ADLMIDI_VolumeModel_DMX:
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case ADLMIDI_VolumeModel_DMX_Fixed:
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case ADLMIDI_VolumeModel_APOGEE:
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case ADLMIDI_VolumeModel_APOGEE_Fixed:
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case ADLMIDI_VolumeModel_AIL:
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OutputGainFactor = 3.5f;
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break;
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// Quiter models
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case ADLMIDI_VolumeModel_NativeOPL3:
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OutputGainFactor = 3.8f;
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break;
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}
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}
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else throw std::runtime_error("Failed to create ADL MIDI renderer.");
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}
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//==========================================================================
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//
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// ADLMIDIDevice Destructor
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//
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//==========================================================================
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ADLMIDIDevice::~ADLMIDIDevice()
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{
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Close();
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if (Renderer != nullptr)
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{
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adl_close(Renderer);
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}
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}
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//==========================================================================
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//
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// ADLMIDIDevice :: LoadCustomBank
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//
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// Loads a custom WOPL bank for libADLMIDI. Returns 1 when bank has been
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// loaded, otherwise, returns 0 when custom banks are disabled or failed
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//
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//==========================================================================
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int ADLMIDIDevice::LoadCustomBank(const ADLConfig *config)
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{
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const char *bankfile = config->adl_custom_bank.c_str();
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if(!config->adl_use_custom_bank)
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return 0;
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if(!*bankfile)
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return 0;
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return (adl_openBankFile(Renderer, bankfile) == 0);
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}
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//==========================================================================
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//
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// ADLMIDIDevice :: Open
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//
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// Returns 0 on success.
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//
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//==========================================================================
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int ADLMIDIDevice::OpenRenderer()
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{
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adl_rt_resetState(Renderer);
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return 0;
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}
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//==========================================================================
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//
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// ADLMIDIDevice :: HandleEvent
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//
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//==========================================================================
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void ADLMIDIDevice::HandleEvent(int status, int parm1, int parm2)
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{
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int command = status & 0xF0;
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int chan = status & 0x0F;
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switch (command)
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{
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case ME_NOTEON:
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adl_rt_noteOn(Renderer, chan, parm1, parm2);
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break;
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case ME_NOTEOFF:
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adl_rt_noteOff(Renderer, chan, parm1);
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break;
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case ME_KEYPRESSURE:
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adl_rt_noteAfterTouch(Renderer, chan, parm1, parm2);
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break;
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case ME_CONTROLCHANGE:
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adl_rt_controllerChange(Renderer, chan, parm1, parm2);
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break;
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case ME_PROGRAM:
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adl_rt_patchChange(Renderer, chan, parm1);
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break;
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case ME_CHANNELPRESSURE:
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adl_rt_channelAfterTouch(Renderer, chan, parm1);
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break;
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case ME_PITCHWHEEL:
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adl_rt_pitchBendML(Renderer, chan, parm2, parm1);
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break;
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}
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}
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//==========================================================================
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//
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// ADLMIDIDevice :: HandleLongEvent
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//
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//==========================================================================
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void ADLMIDIDevice::HandleLongEvent(const uint8_t *data, int len)
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{
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adl_rt_systemExclusive(Renderer, data, len);
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}
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static const ADLMIDI_AudioFormat audio_output_format =
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{
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ADLMIDI_SampleType_F32,
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sizeof(float),
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2 * sizeof(float)
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};
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//==========================================================================
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//
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// ADLMIDIDevice :: ComputeOutput
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//
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//==========================================================================
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void ADLMIDIDevice::ComputeOutput(float *buffer, int len)
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{
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ADL_UInt8* left = reinterpret_cast<ADL_UInt8*>(buffer);
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ADL_UInt8* right = reinterpret_cast<ADL_UInt8*>(buffer + 1);
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auto result = adl_generateFormat(Renderer, len * 2, left, right, &audio_output_format);
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for(int i=0; i < result; i++)
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{
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buffer[i] *= OutputGainFactor;
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}
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}
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//==========================================================================
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//
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//
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//
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//==========================================================================
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extern ADLConfig adlConfig;
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MIDIDevice *CreateADLMIDIDevice(const char *Args)
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{
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ADLConfig config = adlConfig;
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const char* bank = Args && *Args ? Args : adlConfig.adl_use_custom_bank ? adlConfig.adl_custom_bank.c_str() : nullptr;
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if (bank && *bank)
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{
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if (*bank >= '0' && *bank <= '9')
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{
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// Args specify a bank by index.
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config.adl_bank = (int)strtoll(bank, nullptr, 10);
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config.adl_use_custom_bank = false;
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}
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else
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{
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const char* info;
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if (musicCallbacks.PathForSoundfont)
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{
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info = musicCallbacks.PathForSoundfont(bank, SF_WOPL);
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}
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else
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{
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info = bank;
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}
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if (info == nullptr)
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{
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config.adl_custom_bank = "";
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config.adl_use_custom_bank = false;
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}
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else
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{
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config.adl_custom_bank = info;
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config.adl_use_custom_bank = true;
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}
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}
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}
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return new ADLMIDIDevice(&config);
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}
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#else
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MIDIDevice* CreateADLMIDIDevice(const char* Args)
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{
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throw std::runtime_error("ADL device not supported in this configuration");
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}
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#endif
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