diff options
Diffstat (limited to 'libs/distrho/src/DistrhoPluginLADSPA+DSSI.cpp')
| -rw-r--r-- | libs/distrho/src/DistrhoPluginLADSPA+DSSI.cpp | 713 |
1 files changed, 0 insertions, 713 deletions
diff --git a/libs/distrho/src/DistrhoPluginLADSPA+DSSI.cpp b/libs/distrho/src/DistrhoPluginLADSPA+DSSI.cpp deleted file mode 100644 index cfa9c9b..0000000 --- a/libs/distrho/src/DistrhoPluginLADSPA+DSSI.cpp +++ /dev/null @@ -1,713 +0,0 @@ -/* - * DISTRHO Plugin Framework (DPF) - * Copyright (C) 2012-2014 Filipe Coelho <falktx@falktx.com> - * - * Permission to use, copy, modify, and/or distribute this software for any purpose with - * or without fee is hereby granted, provided that the above copyright notice and this - * permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD - * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL - * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER - * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "DistrhoPluginInternal.hpp" - -#if DISTRHO_PLUGIN_HAS_MIDI_OUTPUT -# error Cannot use MIDI Output with LADSPA or DSSI -#endif - -#ifdef DISTRHO_PLUGIN_TARGET_DSSI -# include "dssi/dssi.h" -#else -# include <ladspa.h> -# if DISTRHO_PLUGIN_HAS_MIDI_INPUT -# error Cannot use MIDI with LADSPA -# endif -# if DISTRHO_PLUGIN_WANT_STATE -# warning LADSPA cannot handle states -# endif -#endif - -#if DISTRHO_PLUGIN_WANT_TIMEPOS -# warning LADSPA/DSSI does not support TimePos -#endif - -START_NAMESPACE_DISTRHO - -// ----------------------------------------------------------------------- - -class PluginLadspaDssi -{ -public: - PluginLadspaDssi() - : fPortControls(nullptr), - fLastControlValues(nullptr) - { -#if DISTRHO_PLUGIN_NUM_INPUTS > 0 - for (uint32_t i=0; i < DISTRHO_PLUGIN_NUM_INPUTS; ++i) - fPortAudioIns[i] = nullptr; -#else - fPortAudioIns = nullptr; -#endif - -#if DISTRHO_PLUGIN_NUM_OUTPUTS > 0 - for (uint32_t i=0; i < DISTRHO_PLUGIN_NUM_OUTPUTS; ++i) - fPortAudioOuts[i] = nullptr; -#else - fPortAudioOuts = nullptr; -#endif - - if (const uint32_t count = fPlugin.getParameterCount()) - { - fPortControls = new LADSPA_Data*[count]; - fLastControlValues = new LADSPA_Data[count]; - - for (uint32_t i=0; i < count; ++i) - { - fPortControls[i] = nullptr; - fLastControlValues[i] = fPlugin.getParameterValue(i); - } - } - else - { - fPortControls = nullptr; - fLastControlValues = nullptr; - } - -#if DISTRHO_PLUGIN_WANT_LATENCY - fPortLatency = nullptr; -#endif - } - - ~PluginLadspaDssi() noexcept - { - if (fPortControls != nullptr) - { - delete[] fPortControls; - fPortControls = nullptr; - } - - if (fLastControlValues != nullptr) - { - delete[] fLastControlValues; - fLastControlValues = nullptr; - } - } - - // ------------------------------------------------------------------- - - void ladspa_activate() - { - fPlugin.activate(); - } - - void ladspa_deactivate() - { - fPlugin.deactivate(); - } - - // ------------------------------------------------------------------- - - void ladspa_connect_port(const ulong port, LADSPA_Data* const dataLocation) noexcept - { - ulong index = 0; - -#if DISTRHO_PLUGIN_NUM_INPUTS > 0 - for (ulong i=0; i < DISTRHO_PLUGIN_NUM_INPUTS; ++i) - { - if (port == index++) - { - fPortAudioIns[i] = dataLocation; - return; - } - } -#endif - -#if DISTRHO_PLUGIN_NUM_OUTPUTS > 0 - for (ulong i=0; i < DISTRHO_PLUGIN_NUM_OUTPUTS; ++i) - { - if (port == index++) - { - fPortAudioOuts[i] = dataLocation; - return; - } - } -#endif - -#if DISTRHO_PLUGIN_WANT_LATENCY - if (port == index++) - { - fPortLatency = dataLocation; - return; - } -#endif - - for (ulong i=0, count=fPlugin.getParameterCount(); i < count; ++i) - { - if (port == index++) - { - fPortControls[i] = dataLocation; - return; - } - } - } - - // ------------------------------------------------------------------- - -#ifdef DISTRHO_PLUGIN_TARGET_DSSI - void ladspa_run(const ulong sampleCount) - { - dssi_run_synth(sampleCount, nullptr, 0); - } - - void dssi_run_synth(const ulong sampleCount, snd_seq_event_t* const events, const ulong eventCount) -#else - void ladspa_run(const ulong sampleCount) -#endif - { - // pre-roll - if (sampleCount == 0) - return updateParameterOutputs(); - - // Check for updated parameters - float curValue; - - for (uint32_t i=0, count=fPlugin.getParameterCount(); i < count; ++i) - { - if (fPortControls[i] == nullptr) - continue; - - curValue = *fPortControls[i]; - - if (fLastControlValues[i] != curValue && ! fPlugin.isParameterOutput(i)) - { - fLastControlValues[i] = curValue; - fPlugin.setParameterValue(i, curValue); - } - } - -#if DISTRHO_PLUGIN_HAS_MIDI_INPUT - // Get MIDI Events - uint32_t midiEventCount = 0; - MidiEvent midiEvents[eventCount]; - - for (uint32_t i=0, j; i < eventCount; ++i) - { - const snd_seq_event_t& seqEvent(events[i]); - - // FIXME - if (seqEvent.data.note.channel > 0xF || seqEvent.data.control.channel > 0xF) - continue; - - switch (seqEvent.type) - { - case SND_SEQ_EVENT_NOTEOFF: - j = midiEventCount++; - midiEvents[j].frame = seqEvent.time.tick; - midiEvents[j].size = 3; - midiEvents[j].data[0] = 0x80 + seqEvent.data.note.channel; - midiEvents[j].data[1] = seqEvent.data.note.note; - midiEvents[j].data[2] = 0; - midiEvents[j].data[3] = 0; - break; - case SND_SEQ_EVENT_NOTEON: - j = midiEventCount++; - midiEvents[j].frame = seqEvent.time.tick; - midiEvents[j].size = 3; - midiEvents[j].data[0] = 0x90 + seqEvent.data.note.channel; - midiEvents[j].data[1] = seqEvent.data.note.note; - midiEvents[j].data[2] = seqEvent.data.note.velocity; - midiEvents[j].data[3] = 0; - break; - case SND_SEQ_EVENT_KEYPRESS: - j = midiEventCount++; - midiEvents[j].frame = seqEvent.time.tick; - midiEvents[j].size = 3; - midiEvents[j].data[0] = 0xA0 + seqEvent.data.note.channel; - midiEvents[j].data[1] = seqEvent.data.note.note; - midiEvents[j].data[2] = seqEvent.data.note.velocity; - midiEvents[j].data[3] = 0; - break; - case SND_SEQ_EVENT_CONTROLLER: - j = midiEventCount++; - midiEvents[j].frame = seqEvent.time.tick; - midiEvents[j].size = 3; - midiEvents[j].data[0] = 0xB0 + seqEvent.data.control.channel; - midiEvents[j].data[1] = seqEvent.data.control.param; - midiEvents[j].data[2] = seqEvent.data.control.value; - midiEvents[j].data[3] = 0; - break; - case SND_SEQ_EVENT_CHANPRESS: - j = midiEventCount++; - midiEvents[j].frame = seqEvent.time.tick; - midiEvents[j].size = 2; - midiEvents[j].data[0] = 0xD0 + seqEvent.data.control.channel; - midiEvents[j].data[1] = seqEvent.data.control.value; - midiEvents[j].data[2] = 0; - midiEvents[j].data[3] = 0; - break; -#if 0 // TODO - case SND_SEQ_EVENT_PITCHBEND: - j = midiEventCount++; - midiEvents[j].frame = seqEvent.time.tick; - midiEvents[j].size = 3; - midiEvents[j].data[0] = 0xE0 + seqEvent.data.control.channel; - midiEvents[j].data[1] = 0; - midiEvents[j].data[2] = 0; - midiEvents[j].data[3] = 0; - break; -#endif - } - } - - fPlugin.run(fPortAudioIns, fPortAudioOuts, sampleCount, midiEvents, midiEventCount); -#else - fPlugin.run(fPortAudioIns, fPortAudioOuts, sampleCount); -#endif - - updateParameterOutputs(); - -#if defined(DISTRHO_PLUGIN_TARGET_DSSI) && ! DISTRHO_PLUGIN_HAS_MIDI_INPUT - return; // unused - (void)events; (void)eventCount; -#endif - } - - // ------------------------------------------------------------------- - -#ifdef DISTRHO_PLUGIN_TARGET_DSSI -# if DISTRHO_PLUGIN_WANT_STATE - char* dssi_configure(const char* const key, const char* const value) - { - if (std::strncmp(key, DSSI_RESERVED_CONFIGURE_PREFIX, std::strlen(DSSI_RESERVED_CONFIGURE_PREFIX) == 0)) - return nullptr; - if (std::strncmp(key, DSSI_GLOBAL_CONFIGURE_PREFIX, std::strlen(DSSI_GLOBAL_CONFIGURE_PREFIX) == 0)) - return nullptr; - - fPlugin.setState(key, value); - return nullptr; - } -# endif - -# if DISTRHO_PLUGIN_WANT_PROGRAMS - const DSSI_Program_Descriptor* dssi_get_program(const ulong index) - { - if (index >= fPlugin.getProgramCount()) - return nullptr; - - static DSSI_Program_Descriptor desc; - - desc.Bank = index / 128; - desc.Program = index % 128; - desc.Name = fPlugin.getProgramName(index); - - return &desc; - } - - void dssi_select_program(const ulong bank, const ulong program) - { - const ulong realProgram(bank * 128 + program); - - DISTRHO_SAFE_ASSERT_RETURN(realProgram < fPlugin.getProgramCount(),); - - fPlugin.setProgram(realProgram); - - // Update control inputs - for (uint32_t i=0, count=fPlugin.getParameterCount(); i < count; ++i) - { - if (fPlugin.isParameterOutput(i)) - continue; - - fLastControlValues[i] = fPlugin.getParameterValue(i); - - if (fPortControls[i] != nullptr) - *fPortControls[i] = fLastControlValues[i]; - } - } -# endif -#endif - - // ------------------------------------------------------------------- - -private: - PluginExporter fPlugin; - - // LADSPA ports -#if DISTRHO_PLUGIN_NUM_INPUTS > 0 - const LADSPA_Data* fPortAudioIns[DISTRHO_PLUGIN_NUM_INPUTS]; -#else - const LADSPA_Data** fPortAudioIns; -#endif -#if DISTRHO_PLUGIN_NUM_OUTPUTS > 0 - LADSPA_Data* fPortAudioOuts[DISTRHO_PLUGIN_NUM_OUTPUTS]; -#else - LADSPA_Data** fPortAudioOuts; -#endif - LADSPA_Data** fPortControls; -#if DISTRHO_PLUGIN_WANT_LATENCY - LADSPA_Data* fPortLatency; -#endif - - // Temporary data - LADSPA_Data* fLastControlValues; - - // ------------------------------------------------------------------- - - void updateParameterOutputs() - { - for (uint32_t i=0, count=fPlugin.getParameterCount(); i < count; ++i) - { - if (! fPlugin.isParameterOutput(i)) - continue; - - fLastControlValues[i] = fPlugin.getParameterValue(i); - - if (fPortControls[i] != nullptr) - *fPortControls[i] = fLastControlValues[i]; - } - -#if DISTRHO_PLUGIN_WANT_LATENCY - if (fPortLatency != nullptr) - *fPortLatency = fPlugin.getLatency(); -#endif - } -}; - -// ----------------------------------------------------------------------- - -static LADSPA_Handle ladspa_instantiate(const LADSPA_Descriptor*, ulong sampleRate) -{ - if (d_lastBufferSize == 0) - d_lastBufferSize = 2048; - d_lastSampleRate = sampleRate; - - return new PluginLadspaDssi(); -} - -#define instancePtr ((PluginLadspaDssi*)instance) - -static void ladspa_connect_port(LADSPA_Handle instance, ulong port, LADSPA_Data* dataLocation) -{ - instancePtr->ladspa_connect_port(port, dataLocation); -} - -static void ladspa_activate(LADSPA_Handle instance) -{ - instancePtr->ladspa_activate(); -} - -static void ladspa_run(LADSPA_Handle instance, ulong sampleCount) -{ - instancePtr->ladspa_run(sampleCount); -} - -static void ladspa_deactivate(LADSPA_Handle instance) -{ - instancePtr->ladspa_deactivate(); -} - -static void ladspa_cleanup(LADSPA_Handle instance) -{ - delete instancePtr; -} - -#ifdef DISTRHO_PLUGIN_TARGET_DSSI -# if DISTRHO_PLUGIN_WANT_STATE -static char* dssi_configure(LADSPA_Handle instance, const char* key, const char* value) -{ - return instancePtr->dssi_configure(key, value); -} -# endif - -# if DISTRHO_PLUGIN_WANT_PROGRAMS -static const DSSI_Program_Descriptor* dssi_get_program(LADSPA_Handle instance, ulong index) -{ - return instancePtr->dssi_get_program(index); -} - -static void dssi_select_program(LADSPA_Handle instance, ulong bank, ulong program) -{ - instancePtr->dssi_select_program(bank, program); -} -# endif - -# if DISTRHO_PLUGIN_HAS_MIDI_INPUT -static void dssi_run_synth(LADSPA_Handle instance, ulong sampleCount, snd_seq_event_t* events, ulong eventCount) -{ - instancePtr->dssi_run_synth(sampleCount, events, eventCount); -} -# endif -#endif - -#undef instancePtr - -// ----------------------------------------------------------------------- - -static LADSPA_Descriptor sLadspaDescriptor = { - /* UniqueID */ 0, - /* Label */ nullptr, -#if DISTRHO_PLUGIN_IS_RT_SAFE - /* Properties */ LADSPA_PROPERTY_HARD_RT_CAPABLE, -#else - /* Properties */ 0x0, -#endif - /* Name */ nullptr, - /* Maker */ nullptr, - /* Copyright */ nullptr, - /* PortCount */ 0, - /* PortDescriptors */ nullptr, - /* PortNames */ nullptr, - /* PortRangeHints */ nullptr, - /* ImplementationData */ nullptr, - ladspa_instantiate, - ladspa_connect_port, - ladspa_activate, - ladspa_run, - /* run_adding */ nullptr, - /* set_run_adding_gain */ nullptr, - ladspa_deactivate, - ladspa_cleanup -}; - -#ifdef DISTRHO_PLUGIN_TARGET_DSSI -static DSSI_Descriptor sDssiDescriptor = { - 1, - &sLadspaDescriptor, -# if DISTRHO_PLUGIN_WANT_STATE - dssi_configure, -# else - /* configure */ nullptr, -# endif -# if DISTRHO_PLUGIN_WANT_PROGRAMS - dssi_get_program, - dssi_select_program, -# else - /* get_program */ nullptr, - /* select_program */ nullptr, -# endif - /* get_midi_controller_for_port */ nullptr, -# if DISTRHO_PLUGIN_HAS_MIDI_INPUT - dssi_run_synth, -# else - /* run_synth */ nullptr, -# endif - /* run_synth_adding */ nullptr, - /* run_multiple_synths */ nullptr, - /* run_multiple_synths_adding */ nullptr, - nullptr, nullptr -}; -#endif - -// ----------------------------------------------------------------------- - -class DescriptorInitializer -{ -public: - DescriptorInitializer() - { - // Create dummy plugin to get data from - d_lastBufferSize = 512; - d_lastSampleRate = 44100.0; - PluginExporter plugin; - d_lastBufferSize = 0; - d_lastSampleRate = 0.0; - - // Get port count, init - ulong port = 0; - ulong portCount = DISTRHO_PLUGIN_NUM_INPUTS + DISTRHO_PLUGIN_NUM_OUTPUTS + plugin.getParameterCount(); -#if DISTRHO_PLUGIN_WANT_LATENCY - portCount += 1; -#endif - const char** const portNames = new const char*[portCount]; - LADSPA_PortDescriptor* portDescriptors = new LADSPA_PortDescriptor[portCount]; - LADSPA_PortRangeHint* portRangeHints = new LADSPA_PortRangeHint [portCount]; - - // Set ports -#if DISTRHO_PLUGIN_NUM_INPUTS > 0 - for (ulong i=0; i < DISTRHO_PLUGIN_NUM_INPUTS; ++i, ++port) - { - char portName[24] = { '\0' }; - std::sprintf(portName, "Audio Input %lu", i+1); - - portNames[port] = strdup(portName); - portDescriptors[port] = LADSPA_PORT_AUDIO | LADSPA_PORT_INPUT; - - portRangeHints[port].HintDescriptor = 0x0; - portRangeHints[port].LowerBound = 0.0f; - portRangeHints[port].UpperBound = 1.0f; - } -#endif - -#if DISTRHO_PLUGIN_NUM_OUTPUTS > 0 - for (ulong i=0; i < DISTRHO_PLUGIN_NUM_OUTPUTS; ++i, ++port) - { - char portName[24] = { '\0' }; - std::sprintf(portName, "Audio Output %lu", i+1); - - portNames[port] = strdup(portName); - portDescriptors[port] = LADSPA_PORT_AUDIO | LADSPA_PORT_OUTPUT; - - portRangeHints[port].HintDescriptor = 0x0; - portRangeHints[port].LowerBound = 0.0f; - portRangeHints[port].UpperBound = 1.0f; - } -#endif - -#if DISTRHO_PLUGIN_WANT_LATENCY - // Set latency port - portNames[port] = strdup("_latency"); - portDescriptors[port] = LADSPA_PORT_CONTROL | LADSPA_PORT_OUTPUT; - portRangeHints[port].HintDescriptor = LADSPA_HINT_SAMPLE_RATE|LADSPA_HINT_INTEGER; - portRangeHints[port].LowerBound = 0.0f; - portRangeHints[port].UpperBound = 1.0f; - ++port; -#endif - - for (ulong i=0, count=plugin.getParameterCount(); i < count; ++i, ++port) - { - portNames[port] = strdup((const char*)plugin.getParameterName(i)); - portDescriptors[port] = LADSPA_PORT_CONTROL; - - if (plugin.isParameterOutput(i)) - portDescriptors[port] |= LADSPA_PORT_OUTPUT; - else - portDescriptors[port] |= LADSPA_PORT_INPUT; - - { - const ParameterRanges& ranges(plugin.getParameterRanges(i)); - const float defValue(ranges.def); - - portRangeHints[port].HintDescriptor = LADSPA_HINT_BOUNDED_BELOW | LADSPA_HINT_BOUNDED_ABOVE; - portRangeHints[port].LowerBound = ranges.min; - portRangeHints[port].UpperBound = ranges.max; - - if (defValue == 0.0f) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_0; - else if (defValue == 1.0f) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_1; - else if (defValue == 100.0f) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_100; - else if (defValue == 440.0f) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_440; - else if (ranges.min == defValue) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_MINIMUM; - else if (ranges.max == defValue) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_MAXIMUM; - else - { - const float middleValue = ranges.min/2.0f + ranges.max/2.0f; - const float middleLow = (ranges.min/2.0f + middleValue/2.0f)/2.0f + middleValue/2.0f; - const float middleHigh = (ranges.max/2.0f + middleValue/2.0f)/2.0f + middleValue/2.0f; - - if (defValue < middleLow) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_LOW; - else if (defValue > middleHigh) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_HIGH; - else - portRangeHints[port].HintDescriptor |= LADSPA_HINT_DEFAULT_MIDDLE; - } - } - - { - const uint32_t hints(plugin.getParameterHints(i)); - - if (hints & kParameterIsBoolean) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_TOGGLED; - if (hints & kParameterIsInteger) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_INTEGER; - if (hints & kParameterIsLogarithmic) - portRangeHints[port].HintDescriptor |= LADSPA_HINT_LOGARITHMIC; - } - } - - // Set data - sLadspaDescriptor.UniqueID = plugin.getUniqueId(); - sLadspaDescriptor.Label = strdup(plugin.getLabel()); - sLadspaDescriptor.Name = strdup(plugin.getName()); - sLadspaDescriptor.Maker = strdup(plugin.getMaker()); - sLadspaDescriptor.Copyright = strdup(plugin.getLicense()); - sLadspaDescriptor.PortCount = portCount; - sLadspaDescriptor.PortNames = portNames; - sLadspaDescriptor.PortDescriptors = portDescriptors; - sLadspaDescriptor.PortRangeHints = portRangeHints; - } - - ~DescriptorInitializer() - { - if (sLadspaDescriptor.Label != nullptr) - { - std::free((void*)sLadspaDescriptor.Label); - sLadspaDescriptor.Label = nullptr; - } - - if (sLadspaDescriptor.Name != nullptr) - { - std::free((void*)sLadspaDescriptor.Name); - sLadspaDescriptor.Name = nullptr; - } - - if (sLadspaDescriptor.Maker != nullptr) - { - std::free((void*)sLadspaDescriptor.Maker); - sLadspaDescriptor.Maker = nullptr; - } - - if (sLadspaDescriptor.Copyright != nullptr) - { - std::free((void*)sLadspaDescriptor.Copyright); - sLadspaDescriptor.Copyright = nullptr; - } - - if (sLadspaDescriptor.PortDescriptors != nullptr) - { - delete[] sLadspaDescriptor.PortDescriptors; - sLadspaDescriptor.PortDescriptors = nullptr; - } - - if (sLadspaDescriptor.PortRangeHints != nullptr) - { - delete[] sLadspaDescriptor.PortRangeHints; - sLadspaDescriptor.PortRangeHints = nullptr; - } - - if (sLadspaDescriptor.PortNames != nullptr) - { - for (ulong i=0; i < sLadspaDescriptor.PortCount; ++i) - { - if (sLadspaDescriptor.PortNames[i] != nullptr) - std::free((void*)sLadspaDescriptor.PortNames[i]); - } - - delete[] sLadspaDescriptor.PortNames; - sLadspaDescriptor.PortNames = nullptr; - } - } -}; - -static DescriptorInitializer sDescInit; - -// ----------------------------------------------------------------------- - -END_NAMESPACE_DISTRHO - -DISTRHO_PLUGIN_EXPORT -const LADSPA_Descriptor* ladspa_descriptor(ulong index) -{ - USE_NAMESPACE_DISTRHO - return (index == 0) ? &sLadspaDescriptor : nullptr; -} - -#ifdef DISTRHO_PLUGIN_TARGET_DSSI -DISTRHO_PLUGIN_EXPORT -const DSSI_Descriptor* dssi_descriptor(ulong index) -{ - USE_NAMESPACE_DISTRHO - return (index == 0) ? &sDssiDescriptor : nullptr; -} -#endif - -// ----------------------------------------------------------------------- |