mirror of
https://github.com/ZDoom/qzdoom.git
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242 lines
No EOL
7.4 KiB
C++
242 lines
No EOL
7.4 KiB
C++
/*
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** music_timiditypp_mididevice.cpp
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** Provides access to timidity.exe
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**
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**---------------------------------------------------------------------------
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** Copyright 2001-2017 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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#include "mididevice.h"
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#include "zmusic/zmusic_internal.h"
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#ifdef HAVE_TIMIDITY
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#include "timiditypp/timidity.h"
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#include "timiditypp/instrum.h"
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#include "timiditypp/playmidi.h"
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TimidityConfig timidityConfig;
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class TimidityPPMIDIDevice : public SoftSynthMIDIDevice
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{
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std::shared_ptr<TimidityPlus::Instruments> instruments;
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public:
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TimidityPPMIDIDevice(int samplerate);
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~TimidityPPMIDIDevice();
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int OpenRenderer() override;
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void PrecacheInstruments(const uint16_t *instruments, int count) override;
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//std::string GetStats();
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int GetDeviceType() const override { return MDEV_TIMIDITY; }
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double test[3] = { 0, 0, 0 };
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protected:
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TimidityPlus::Player *Renderer;
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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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void LoadInstruments();
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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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void TimidityPPMIDIDevice::LoadInstruments()
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{
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if (timidityConfig.reader)
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{
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timidityConfig.loadedConfig = timidityConfig.readerName;
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timidityConfig.instruments.reset(new TimidityPlus::Instruments());
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bool success = timidityConfig.instruments->load(timidityConfig.reader);
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timidityConfig.reader = nullptr;
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if (!success)
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{
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timidityConfig.instruments.reset();
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timidityConfig.loadedConfig = "";
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throw std::runtime_error("Unable to initialize instruments for Timidity++ MIDI device");
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}
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}
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else if (timidityConfig.instruments == nullptr)
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{
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throw std::runtime_error("No instruments set for Timidity++ device");
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}
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instruments = timidityConfig.instruments;
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}
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//==========================================================================
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//
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// TimidityPPMIDIDevice Constructor
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//
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//==========================================================================
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TimidityPPMIDIDevice::TimidityPPMIDIDevice(int samplerate)
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:SoftSynthMIDIDevice(samplerate, 4000, 65000)
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{
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TimidityPlus::set_playback_rate(SampleRate);
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LoadInstruments();
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Renderer = new TimidityPlus::Player(instruments.get());
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}
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//==========================================================================
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//
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// TimidityPPMIDIDevice Destructor
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//
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//==========================================================================
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TimidityPPMIDIDevice::~TimidityPPMIDIDevice ()
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{
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Close();
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if (Renderer != nullptr)
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{
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delete Renderer;
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}
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}
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//==========================================================================
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//
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// TimidityPPMIDIDevice :: Open
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//
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//==========================================================================
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int TimidityPPMIDIDevice::OpenRenderer()
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{
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Renderer->playmidi_stream_init();
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return 0;
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}
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//==========================================================================
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//
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// TimidityPPMIDIDevice :: PrecacheInstruments
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//
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// Each entry is packed as follows:
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// Bits 0- 6: Instrument number
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// Bits 7-13: Bank number
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// Bit 14: Select drum set if 1, tone bank if 0
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//
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//==========================================================================
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void TimidityPPMIDIDevice::PrecacheInstruments(const uint16_t *instrumentlist, int count)
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{
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if (instruments != nullptr)
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instruments->PrecacheInstruments(instrumentlist, count);
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}
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//==========================================================================
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//
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// TimidityPPMIDIDevice :: HandleEvent
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//
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//==========================================================================
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void TimidityPPMIDIDevice::HandleEvent(int status, int parm1, int parm2)
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{
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if (Renderer != nullptr)
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Renderer->send_event(status, parm1, parm2);
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}
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//==========================================================================
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//
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// TimidityPPMIDIDevice :: HandleLongEvent
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//
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//==========================================================================
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void TimidityPPMIDIDevice::HandleLongEvent(const uint8_t *data, int len)
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{
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if (Renderer != nullptr)
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Renderer->send_long_event(data, len);
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}
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//==========================================================================
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//
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// TimidityPPMIDIDevice :: ComputeOutput
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//
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//==========================================================================
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void TimidityPPMIDIDevice::ComputeOutput(float *buffer, int len)
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{
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if (Renderer != nullptr)
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Renderer->compute_data(buffer, len);
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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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bool Timidity_SetupConfig(const char* args)
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{
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if (*args == 0) args = timidityConfig.timidity_config.c_str();
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if (stricmp(timidityConfig.loadedConfig.c_str(), args) == 0) return false; // aleady loaded
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MusicIO::SoundFontReaderInterface* reader = MusicIO::ClientOpenSoundFont(args, SF_GUS | SF_SF2);
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if (!reader && MusicIO::fileExists(args))
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{
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auto f = MusicIO::utf8_fopen(args, "rb");
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if (f)
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{
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char test[12] = {};
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fread(test, 1, 12, f);
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fclose(f);
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// If the passed file is an SF2 sound font we need to use the special reader that fakes a config for it.
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if (memcmp(test, "RIFF", 4) == 0 && memcmp(test + 8, "sfbk", 4) == 0)
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reader = new MusicIO::SF2Reader(args);
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}
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if (!reader) reader = new MusicIO::FileSystemSoundFontReader(args, true);
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}
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if (reader == nullptr)
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{
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char error[80];
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snprintf(error, 80, "Timidity++: %s: Unable to load sound font\n", args);
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throw std::runtime_error(error);
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}
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timidityConfig.reader = reader;
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timidityConfig.readerName = args;
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return true;
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}
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MIDIDevice *CreateTimidityPPMIDIDevice(const char *Args, int samplerate)
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{
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Timidity_SetupConfig(Args);
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return new TimidityPPMIDIDevice(samplerate);
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}
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#else
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MIDIDevice* CreateTimidityPPMIDIDevice(const char* Args, int samplerate)
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{
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throw std::runtime_error("Timidity++ device not supported in this configuration");
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}
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#endif |