From 42ab839dd6c8a1570b232101eb97f4e54de57935 Mon Sep 17 00:00:00 2001 From: Max Horn Date: Wed, 9 Feb 2011 01:09:01 +0000 Subject: AUDIO: Rename sound/ dir to audio/ svn-id: r55850 --- sound/softsynth/fluidsynth.cpp | 254 ----------------------------------------- 1 file changed, 254 deletions(-) delete mode 100644 sound/softsynth/fluidsynth.cpp (limited to 'sound/softsynth/fluidsynth.cpp') diff --git a/sound/softsynth/fluidsynth.cpp b/sound/softsynth/fluidsynth.cpp deleted file mode 100644 index fcb4591a20..0000000000 --- a/sound/softsynth/fluidsynth.cpp +++ /dev/null @@ -1,254 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * 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 2 - * of the License, or (at your option) 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, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - */ - -#include "common/scummsys.h" - -#ifdef USE_FLUIDSYNTH - -#include "common/config-manager.h" -#include "sound/musicplugin.h" -#include "sound/mpu401.h" -#include "sound/softsynth/emumidi.h" - -#include - -class MidiDriver_FluidSynth : public MidiDriver_Emulated { -private: - MidiChannel_MPU401 _midiChannels[16]; - fluid_settings_t *_settings; - fluid_synth_t *_synth; - int _soundFont; - int _outputRate; - Audio::SoundHandle _handle; - -protected: - // Because GCC complains about casting from const to non-const... - void setInt(const char *name, int val); - void setNum(const char *name, double num); - void setStr(const char *name, const char *str); - - void generateSamples(int16 *buf, int len); - -public: - MidiDriver_FluidSynth(Audio::Mixer *mixer); - - int open(); - void close(); - void send(uint32 b); - - MidiChannel *allocateChannel(); - MidiChannel *getPercussionChannel(); - - // AudioStream API - bool isStereo() const { return true; } - int getRate() const { return _outputRate; } -}; - -// MidiDriver method implementations - -MidiDriver_FluidSynth::MidiDriver_FluidSynth(Audio::Mixer *mixer) - : MidiDriver_Emulated(mixer) { - - for (int i = 0; i < ARRAYSIZE(_midiChannels); i++) { - _midiChannels[i].init(this, i); - } - - // It ought to be possible to get FluidSynth to generate samples at - // lower - - _outputRate = _mixer->getOutputRate(); - if (_outputRate < 22050) - _outputRate = 22050; - else if (_outputRate > 96000) - _outputRate = 96000; -} - -void MidiDriver_FluidSynth::setInt(const char *name, int val) { - char *name2 = strdup(name); - - fluid_settings_setint(_settings, name2, val); - free(name2); -} - -void MidiDriver_FluidSynth::setNum(const char *name, double val) { - char *name2 = strdup(name); - - fluid_settings_setnum(_settings, name2, val); - free(name2); -} - -void MidiDriver_FluidSynth::setStr(const char *name, const char *val) { - char *name2 = strdup(name); - char *val2 = strdup(val); - - fluid_settings_setstr(_settings, name2, val2); - free(name2); - free(val2); -} - -int MidiDriver_FluidSynth::open() { - if (_isOpen) - return MERR_ALREADY_OPEN; - - if (!ConfMan.hasKey("soundfont")) - error("FluidSynth requires a 'soundfont' setting"); - - _settings = new_fluid_settings(); - - // The default gain setting is ridiculously low - at least for me. This - // cannot be fixed by ScummVM's volume settings because they can only - // soften the sound, not amplify it, so instead we add an option to - // adjust the gain of FluidSynth itself. - - double gain = (double)ConfMan.getInt("midi_gain") / 100.0; - - setNum("synth.gain", gain); - setNum("synth.sample-rate", _outputRate); - - _synth = new_fluid_synth(_settings); - - // In theory, this ought to reduce CPU load... but it doesn't make any - // noticeable difference for me, so disable it for now. - - // fluid_synth_set_interp_method(_synth, -1, FLUID_INTERP_LINEAR); - // fluid_synth_set_reverb_on(_synth, 0); - // fluid_synth_set_chorus_on(_synth, 0); - - const char *soundfont = ConfMan.get("soundfont").c_str(); - - _soundFont = fluid_synth_sfload(_synth, soundfont, 1); - if (_soundFont == -1) - error("Failed loading custom sound font '%s'", soundfont); - - MidiDriver_Emulated::open(); - - // The MT-32 emulator uses kSFXSoundType here. I don't know why. - _mixer->playStream(Audio::Mixer::kMusicSoundType, &_handle, this, -1, Audio::Mixer::kMaxChannelVolume, 0, DisposeAfterUse::NO, true); - return 0; -} - -void MidiDriver_FluidSynth::close() { - if (!_isOpen) - return; - _isOpen = false; - - _mixer->stopHandle(_handle); - - if (_soundFont != -1) - fluid_synth_sfunload(_synth, _soundFont, 1); - - delete_fluid_synth(_synth); - delete_fluid_settings(_settings); -} - -void MidiDriver_FluidSynth::send(uint32 b) { - //byte param3 = (byte) ((b >> 24) & 0xFF); - uint param2 = (byte) ((b >> 16) & 0xFF); - uint param1 = (byte) ((b >> 8) & 0xFF); - byte cmd = (byte) (b & 0xF0); - byte chan = (byte) (b & 0x0F); - - switch (cmd) { - case 0x80: // Note Off - fluid_synth_noteoff(_synth, chan, param1); - break; - case 0x90: // Note On - fluid_synth_noteon(_synth, chan, param1, param2); - break; - case 0xA0: // Aftertouch - break; - case 0xB0: // Control Change - fluid_synth_cc(_synth, chan, param1, param2); - break; - case 0xC0: // Program Change - fluid_synth_program_change(_synth, chan, param1); - break; - case 0xD0: // Channel Pressure - break; - case 0xE0: // Pitch Bend - fluid_synth_pitch_bend(_synth, chan, (param2 << 7) | param1); - break; - case 0xF0: // SysEx - // We should never get here! SysEx information has to be - // sent via high-level semantic methods. - warning("MidiDriver_FluidSynth: Receiving SysEx command on a send() call"); - break; - default: - warning("MidiDriver_FluidSynth: Unknown send() command 0x%02X", cmd); - break; - } -} - -MidiChannel *MidiDriver_FluidSynth::allocateChannel() { - for (int i = 0; i < ARRAYSIZE(_midiChannels); i++) { - if (i != 9 && _midiChannels[i].allocate()) - return &_midiChannels[i]; - } - return NULL; -} - -MidiChannel *MidiDriver_FluidSynth::getPercussionChannel() { - return &_midiChannels[9]; -} - -void MidiDriver_FluidSynth::generateSamples(int16 *data, int len) { - fluid_synth_write_s16(_synth, len, data, 0, 2, data, 1, 2); -} - - -// Plugin interface - -class FluidSynthMusicPlugin : public MusicPluginObject { -public: - const char *getName() const { - return "FluidSynth"; - } - - const char *getId() const { - return "fluidsynth"; - } - - MusicDevices getDevices() const; - Common::Error createInstance(MidiDriver **mididriver, MidiDriver::DeviceHandle = 0) const; -}; - -MusicDevices FluidSynthMusicPlugin::getDevices() const { - MusicDevices devices; - devices.push_back(MusicDevice(this, "", MT_GM)); - return devices; -} - -Common::Error FluidSynthMusicPlugin::createInstance(MidiDriver **mididriver, MidiDriver::DeviceHandle) const { - *mididriver = new MidiDriver_FluidSynth(g_system->getMixer()); - - return Common::kNoError; -} - -//#if PLUGIN_ENABLED_DYNAMIC(FLUIDSYNTH) - //REGISTER_PLUGIN_DYNAMIC(FLUIDSYNTH, PLUGIN_TYPE_MUSIC, FluidSynthMusicPlugin); -//#else - REGISTER_PLUGIN_STATIC(FLUIDSYNTH, PLUGIN_TYPE_MUSIC, FluidSynthMusicPlugin); -//#endif - -#endif -- cgit v1.2.3