diff options
Diffstat (limited to 'attic/muse_qt4_evolution/muse/ladspaplugin.cpp')
| -rw-r--r-- | attic/muse_qt4_evolution/muse/ladspaplugin.cpp | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/attic/muse_qt4_evolution/muse/ladspaplugin.cpp b/attic/muse_qt4_evolution/muse/ladspaplugin.cpp deleted file mode 100644 index 85398d74..00000000 --- a/attic/muse_qt4_evolution/muse/ladspaplugin.cpp +++ /dev/null @@ -1,235 +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 "al/al.h" -#include "ladspaplugin.h" -#include "fastlog.h" -#include "ctrl.h" - -//--------------------------------------------------------- -// defaultValue -//--------------------------------------------------------- - -float ladspaDefaultValue(const LADSPA_Descriptor* plugin, int k) - { - LADSPA_PortRangeHint range = plugin->PortRangeHints[k]; - LADSPA_PortRangeHintDescriptor rh = range.HintDescriptor; -// bool isLog = LADSPA_IS_HINT_LOGARITHMIC(rh); - double val = 1.0; - float m = (rh & LADSPA_HINT_SAMPLE_RATE) ? float(AL::sampleRate) : 1.0f; - if (LADSPA_IS_HINT_DEFAULT_MINIMUM(rh)) { - val = range.LowerBound * m; - } - else if (LADSPA_IS_HINT_DEFAULT_LOW(rh)) { - if (LADSPA_IS_HINT_LOGARITHMIC(rh)) - val = exp(fast_log10(range.LowerBound * m) * .75 + - log(range.UpperBound * m) * .25); - else - val = range.LowerBound*.75*m + range.UpperBound*.25*m; - } - else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(rh)) { - if (LADSPA_IS_HINT_LOGARITHMIC(rh)) - val = exp(log(range.LowerBound * m) * .5 + - log10(range.UpperBound * m) * .5); - else - val = range.LowerBound*.5*m + range.UpperBound*.5*m; - } - else if (LADSPA_IS_HINT_DEFAULT_HIGH(rh)) { - if (LADSPA_IS_HINT_LOGARITHMIC(rh)) - val = exp(log(range.LowerBound * m) * .25 + - log(range.UpperBound * m) * .75); - else - val = range.LowerBound*.25*m + range.UpperBound*.75*m; - } - else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(rh)) { - val = range.UpperBound*m; - } - else if (LADSPA_IS_HINT_DEFAULT_0(rh)) - val = 0.0; - else if (LADSPA_IS_HINT_DEFAULT_1(rh)) - val = 1.0; - else if (LADSPA_IS_HINT_DEFAULT_100(rh)) - val = 100.0; - else if (LADSPA_IS_HINT_DEFAULT_440(rh)) - val = 440.0; - return val; - } - -//--------------------------------------------------------- -// LadpsaPlugin -//--------------------------------------------------------- - -LadspaPlugin::LadspaPlugin(const QFileInfo* f, - const LADSPA_Descriptor_Function ldf, - const LADSPA_Descriptor* d) - : Plugin(f), ladspa(ldf), plugin(d) - { - _inports = 0; - _outports = 0; - _parameter = 0; - for (unsigned k = 0; k < plugin->PortCount; ++k) { - LADSPA_PortDescriptor pd = d->PortDescriptors[k]; - static const int CI = LADSPA_PORT_CONTROL | LADSPA_PORT_INPUT; - if ((pd & CI) == CI) { - ++_parameter; - pIdx.push_back(k); - } - else if (pd & LADSPA_PORT_INPUT) { - ++_inports; - iIdx.push_back(k); - } - else if (pd & LADSPA_PORT_OUTPUT) { - ++_outports; - oIdx.push_back(k); - } - } - LADSPA_Properties properties = plugin->Properties; - _inPlaceCapable = !LADSPA_IS_INPLACE_BROKEN(properties); - if (_inports != _outports) - _inPlaceCapable = false; - } - -//--------------------------------------------------------- -// instantiate -//--------------------------------------------------------- - -void* LadspaPlugin::instantiate() - { - return plugin->instantiate(plugin, AL::sampleRate); - } - -//--------------------------------------------------------- -// range -//--------------------------------------------------------- - -void LadspaPlugin::range(int i, double* min, double* max) const - { - i = pIdx[i]; - LADSPA_PortRangeHint range = plugin->PortRangeHints[i]; - LADSPA_PortRangeHintDescriptor desc = range.HintDescriptor; - if (desc & LADSPA_HINT_TOGGLED) { - *min = -1.0; - *max = 1.0; - return; - } - double m = (desc & LADSPA_HINT_SAMPLE_RATE) ? float(AL::sampleRate) : 1.0f; - - if (desc & LADSPA_HINT_BOUNDED_BELOW) - *min = range.LowerBound * m; - else - *min = 0.0; - if (desc & LADSPA_HINT_BOUNDED_ABOVE) - *max = range.UpperBound * m; - else - *max = 1.0; - } - -//--------------------------------------------------------- -// createPIF -//--------------------------------------------------------- - -PluginIF* LadspaPlugin::createPIF(PluginI* pi) - { - LadspaPluginIF* pif = new LadspaPluginIF(pi); - pif->init(pi->plugin()); - return pif; - } - -//--------------------------------------------------------- -// LadspaPluginIF -//--------------------------------------------------------- - -LadspaPluginIF::LadspaPluginIF(PluginI* pi) - : PluginIF(pi) - { - descr = 0; - plugin = (LadspaPlugin*)(pi->plugin()); - } - -//--------------------------------------------------------- -// init -// return true on error -//--------------------------------------------------------- - -bool LadspaPluginIF::init(Plugin* pl) - { - handle = (LADSPA_Descriptor*) ((LadspaPlugin*)pl)->instantiate(); - plugin = (LadspaPlugin*)pl; - descr = plugin->ladspaDescriptor(); - - int controlPorts = plugin->parameter(); - controls = new LadspaPort[controlPorts]; - - for (int k = 0; k < controlPorts; ++k) { - controls[k].val = plugin->defaultValue(k); - descr->connect_port(handle, plugin->pIdx[k], &controls[k].val); - } - return handle == 0; - } - -//--------------------------------------------------------- -// apply -//--------------------------------------------------------- - -void LadspaPluginIF::apply(unsigned nframes, float** src, float** dst) - { - int iports = plugin->inports(); - int oports = plugin->outports(); - int cports = plugin->parameter(); - - // - // update parameter - // - for (int i = 0; i < cports; ++i) - controls[i].val = pluginI->controllerList[i]->curVal().f; - // - // set connections - // - for (int k = 0; k < iports; ++k) - descr->connect_port(handle, plugin->iIdx[k], src[k]); - for (int k = 0; k < oports; ++k) - descr->connect_port(handle, plugin->oIdx[k], dst[k]); - - descr->run(handle, nframes); - } - -//--------------------------------------------------------- -// defaultValue -//--------------------------------------------------------- - -double LadspaPlugin::defaultValue(int k) const - { - k = pIdx[k]; - return ladspaDefaultValue(plugin, k); - } - -//--------------------------------------------------------- -// activate -//--------------------------------------------------------- - -void LadspaPluginIF::activate() - { - // - // TODO: init values? - // - if (descr->activate) - descr->activate(handle); - } - |