diff options
Diffstat (limited to 'muse_qt4_evolution/synti/s1')
| -rw-r--r-- | muse_qt4_evolution/synti/s1/CMakeLists.txt | 34 | ||||
| -rw-r--r-- | muse_qt4_evolution/synti/s1/s1.cpp | 156 |
2 files changed, 0 insertions, 190 deletions
diff --git a/muse_qt4_evolution/synti/s1/CMakeLists.txt b/muse_qt4_evolution/synti/s1/CMakeLists.txt deleted file mode 100644 index fe5a3393..00000000 --- a/muse_qt4_evolution/synti/s1/CMakeLists.txt +++ /dev/null @@ -1,34 +0,0 @@ -#============================================================================= -# MusE -# Linux Music Editor -# $Id:$ -# -# Copyright (C) 2002-2006 by Werner Schweer and others -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2. -# -# 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., 675 Mass Ave, Cambridge, MA 02139, USA. -#============================================================================= - -add_library ( s1 SHARED s1.cpp ) - -target_link_libraries( s1 synti ) - -# tell cmake to name target s1.so instead of -# libs1.so -# -set_target_properties ( s1 PROPERTIES PREFIX "" ) - -target_link_libraries(s1 - synti - ) -install_targets ( /${CMAKE_INSTALL_LIBDIR}/${MusE_INSTALL_NAME}/synthi/ s1 ) - diff --git a/muse_qt4_evolution/synti/s1/s1.cpp b/muse_qt4_evolution/synti/s1/s1.cpp deleted file mode 100644 index 596a5797..00000000 --- a/muse_qt4_evolution/synti/s1/s1.cpp +++ /dev/null @@ -1,156 +0,0 @@ -//========================================================= -// MusE -// Linux Music Editor -// $Id: s1.cpp,v 1.10 2005/01/13 21:16:27 wschweer Exp $ -// -// S1 - simple mono demo synthesizer -// - plays only one note at a time -// - has no gui nor any controller -// -// Version 0.2: stop note on wave zero crossing to avoid -// clicks -// -// (C) Copyright 2001-2004 Werner Schweer (ws@seh.de) -//========================================================= - -#include <cmath> -#include <list> - -#include "synti/libsynti/mono.h" - -#define RESOLUTION 16384 - -//--------------------------------------------------------- -// S1 - simple mono demo synthesizer -//--------------------------------------------------------- - -class S1 : public MessMono { - static int useCount; - static float *wave_table; - - int gate; - float freq; - unsigned accu; - float sample; - - virtual void note(int channel, int pitch, int velo); - virtual void process(float** buffer, int offset, int n); - - public: - S1(); - ~S1(); - }; - -float* S1::wave_table; -int S1::useCount = 0; - -//--------------------------------------------------------- -// S1 -//--------------------------------------------------------- - -S1::S1() : MessMono() - { - if (useCount++ == 0) { - // - // create sinus wave table - // - wave_table = new float[RESOLUTION]; - for (int i = 0; i < RESOLUTION; i++) - wave_table[i] = sin ((i * 2.0 * M_PI) / RESOLUTION) / 6.0; - } - gate = 0; - } - -//--------------------------------------------------------- -// ~S1 -//--------------------------------------------------------- - -S1::~S1() - { - if (--useCount == 0) - delete[] wave_table; - } - -//--------------------------------------------------------- -// noteon -// process note on -//--------------------------------------------------------- - -void S1::note(int /*channel*/, int pitch, int velo) - { - if (velo == 0) { - // - // note off - // - if (sample == 0.0) - gate = 0; - else if (sample > 0.0) - gate = 2; - else if (sample < 0.0) - gate = 3; - } - else { - // - // note on - // - accu = 0; - gate = 1; - freq = 8.176 * exp(float(pitch)*log(2.0)/12.0); - } - } - -//--------------------------------------------------------- -// write -// synthesize n samples into buffer+offset -//--------------------------------------------------------- - -void S1::process(float** buffer, int offset, int n) - { - if (gate == 0) - return; - float* p = buffer[0] + offset; - unsigned freq_256 = (int) (freq * ((double) RESOLUTION) / sampleRate() * 256.0); - for (int i = 0; i < n; i++) { - accu += freq_256; - while (accu >= RESOLUTION * 256) - accu -= RESOLUTION * 256; - sample = wave_table[accu >> 8]; - // - // stop on zero crossing - // if in decay state - // - if (gate == 2 && sample <= 0.0) { - gate = 0; - break; - } - else if (gate == 3 && sample >= 0.0) { - gate = 0; - break; - } - p[i] += sample; - } - } - -//--------------------------------------------------------- -// inst -//--------------------------------------------------------- - -static Mess* instantiate(int sr, const char*) - { - S1* s1 = new S1(); - s1->setSampleRate(sr); - return s1; - } - -extern "C" { - static MESS descriptor = { - "S1", - "S1 MusE Demo Software Synthesizer", - "0.2", // version string - MESS_MAJOR_VERSION, MESS_MINOR_VERSION, - instantiate - }; - - const MESS* mess_descriptor() { return &descriptor; } - } - |