diff options
Diffstat (limited to 'muse_qt4_evolution/muse/ticksynth.cpp')
| -rw-r--r-- | muse_qt4_evolution/muse/ticksynth.cpp | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/muse_qt4_evolution/muse/ticksynth.cpp b/muse_qt4_evolution/muse/ticksynth.cpp deleted file mode 100644 index 861861de..00000000 --- a/muse_qt4_evolution/muse/ticksynth.cpp +++ /dev/null @@ -1,181 +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. -//============================================================================= - -#include "audio.h" -#include "ticksynth.h" -#include "default_click.h" - -SynthI* metronome = 0; - -class MetronomeSynth; -static MetronomeSynth* metronomeSynth; - -//--------------------------------------------------------- -// MetronomeSynth -//--------------------------------------------------------- - -class MetronomeSynth : public Synth { - public: - MetronomeSynth(const QFileInfo* fi) : Synth(fi, QString("Metronome")) {} - virtual ~MetronomeSynth() {} - virtual void incInstances(int) {} - virtual void* instantiate(); - virtual SynthIF* createSIF(SynthI*); - }; - -//--------------------------------------------------------- -// instantiate -//--------------------------------------------------------- - -void* MetronomeSynth::instantiate() - { - return 0; - } - -//--------------------------------------------------------- -// MetronomeSynthIF -//--------------------------------------------------------- - -class MetronomeSynthIF : public SynthIF - { - const float* data; - int pos; - int len; - void process(float** buffer, int offset, int n); - - public: - MetronomeSynthIF(SynthI* s) : SynthIF(s) { - data = 0; - } - virtual bool guiVisible() const { return false; } - virtual void showGui(bool) {} - virtual bool hasGui() const { return false; } - virtual void getGeometry(int*, int*, int*, int*) const {} - virtual void setGeometry(int, int, int, int) {} - virtual void getData(MidiEventList*, unsigned pos, int ports, unsigned n, float** buffer); - virtual bool putEvent(const MidiEvent& ev); - virtual MidiEvent receiveEvent() { return MidiEvent(); } - virtual int eventsPending() const { return 0; } - virtual int channels() const { return 1; } - virtual void deactivate2() {} - virtual void deactivate3() {} - virtual QString getPatchName(int, int, int) const { return ""; } - virtual QString getPatchName(int, int) { return ""; } - virtual void populatePatchPopup(QMenu*, int) {}; - virtual void write(Xml&) const {} - virtual void setParameter(int, float) {} - virtual int getControllerInfo(int, const char**, int*, int*, int*) { return 0; } - virtual bool hasAuxSend() const { return false; } - }; - -//--------------------------------------------------------- -// getData -//--------------------------------------------------------- - -void MetronomeSynthIF::getData(MidiEventList* el, unsigned pos, int/*ports*/, unsigned n, float** buffer) - { - unsigned curPos = pos; - unsigned endPos = pos + n; - unsigned off = pos; - - iMidiEvent i = el->begin(); - for (; i != el->end(); ++i) { - unsigned frame = i->time(); - if (frame >= endPos) - break; - if (frame > curPos) { - if (frame < pos) - printf("should not happen: missed event %d\n", pos -frame); - else - process(buffer, curPos-pos, frame - curPos); - curPos = frame; - } - putEvent(*i); - } - if (endPos - curPos) - process(buffer, curPos - off, endPos - curPos); - el->erase(el->begin(), i); - } - -//--------------------------------------------------------- -// putEvent -//--------------------------------------------------------- - -bool MetronomeSynthIF::putEvent(const MidiEvent& ev) - { - if (ev.dataA() == 0) { - data = defaultClickEmphasis; - len = defaultClickEmphasisLength; - } - else { - data = defaultClick; - len = defaultClickLength; - } - pos = 0; - return false; - } - -//--------------------------------------------------------- -// createSIF -//--------------------------------------------------------- - -SynthIF* MetronomeSynth::createSIF(SynthI* s) - { - return new MetronomeSynthIF(s); - } - -//--------------------------------------------------------- -// process -// synthesize n samples into buffer+offset -//--------------------------------------------------------- - -void MetronomeSynthIF::process(float** buffer, int offset, int n) - { - if (data == 0) { - memset(buffer[0], 0, n * sizeof(float)); - return; - } - const float* s = data + pos; - float* d = *buffer + offset; - int l = std::min(n, len); - int i; - for (i = 0; i < l; ++i) - *d++ = *s++; - for (; i < n; ++i) - *d++ = 0.0f; - pos += l; - len -= l; - if (len <= 0) - data = 0; - } - -//--------------------------------------------------------- -// initMetronome -//--------------------------------------------------------- - -void initMetronome() - { - QFileInfo fi; // dummy - metronomeSynth = new MetronomeSynth(&fi); - metronome = new SynthI(); - metronome->setName("metronome"); - metronome->initInstance(metronomeSynth); - } - |