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author | David Robillard <d@drobilla.net> | 2007-10-13 22:15:26 +0000 |
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committer | David Robillard <d@drobilla.net> | 2007-10-13 22:15:26 +0000 |
commit | 1c92f8782006264e94dd25a650841f72f91650cf (patch) | |
tree | 7791a64365510fc1599cdbdb998ae95e929c84f5 /src/libs/engine/LADSPANode.cpp | |
parent | cf63c971c2a8ee8cc2ddcddb52ce8135cd29619b (diff) | |
download | ingen-1c92f8782006264e94dd25a650841f72f91650cf.tar.gz ingen-1c92f8782006264e94dd25a650841f72f91650cf.tar.bz2 ingen-1c92f8782006264e94dd25a650841f72f91650cf.zip |
Dynamic polyphony fixes.
git-svn-id: http://svn.drobilla.net/lad/ingen@883 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/libs/engine/LADSPANode.cpp')
-rw-r--r-- | src/libs/engine/LADSPANode.cpp | 72 |
1 files changed, 61 insertions, 11 deletions
diff --git a/src/libs/engine/LADSPANode.cpp b/src/libs/engine/LADSPANode.cpp index 033f3d50..f8ecb1f5 100644 --- a/src/libs/engine/LADSPANode.cpp +++ b/src/libs/engine/LADSPANode.cpp @@ -19,6 +19,7 @@ #include <cassert> #include <cmath> #include <stdint.h> +#include <raul/Maid.hpp> #include "LADSPANode.hpp" #include "AudioBuffer.hpp" #include "InputPort.hpp" @@ -37,14 +38,63 @@ namespace Ingen { * (It _will_ crash!) */ LADSPANode::LADSPANode(PluginImpl* plugin, const string& path, bool polyphonic, PatchImpl* parent, const LADSPA_Descriptor* descriptor, SampleRate srate, size_t buffer_size) -: NodeBase(plugin, path, polyphonic, parent, srate, buffer_size), - _descriptor(descriptor), - _instances(NULL) + : NodeBase(plugin, path, polyphonic, parent, srate, buffer_size) + , _descriptor(descriptor) + , _instances(NULL) + , _prepared_instances(NULL) { assert(_descriptor != NULL); } +bool +LADSPANode::prepare_poly(uint32_t poly) +{ + NodeBase::prepare_poly(poly); + + if ( (!_polyphonic) + || (_prepared_instances && poly <= _prepared_instances->size()) ) { + return true; + } + + _prepared_instances = new Raul::Array<LADSPA_Handle>(poly, *_instances); + for (uint32_t i = _polyphony; i < _prepared_instances->size(); ++i) { + _prepared_instances->at(i) = _descriptor->instantiate(_descriptor, _srate); + if ((*_prepared_instances)[i] == NULL) { + cerr << "Failed to instantiate plugin!" << endl; + return false; + } + + if (_activated) + _descriptor->activate((*_prepared_instances)[i]); + } + + return true; +} + + +bool +LADSPANode::apply_poly(Raul::Maid& maid, uint32_t poly) +{ + if (!_polyphonic) + return true; + + if (_prepared_instances) { + assert(poly <= _prepared_instances->size()); + maid.push(_instances); + _instances = _prepared_instances; + _prepared_instances = NULL; + } + + assert(poly <= _instances->size()); + _polyphony = poly; + + NodeBase::apply_poly(maid, poly); + + return true; +} + + /** Instantiate self from LADSPA plugin descriptor. * * Implemented as a seperate function (rather than in the constructor) to @@ -59,13 +109,13 @@ LADSPANode::instantiate() if (!_ports) _ports = new Raul::Array<PortImpl*>(_descriptor->PortCount); - _instances = new LADSPA_Handle[_polyphony]; + _instances = new Raul::Array<LADSPA_Handle>(_polyphony, NULL); size_t port_buffer_size = 0; for (uint32_t i=0; i < _polyphony; ++i) { - _instances[i] = _descriptor->instantiate(_descriptor, _srate); - if (_instances[i] == NULL) { + (*_instances)[i] = _descriptor->instantiate(_descriptor, _srate); + if ((*_instances)[i] == NULL) { cerr << "Failed to instantiate plugin!" << endl; return false; } @@ -157,7 +207,7 @@ LADSPANode::instantiate() LADSPANode::~LADSPANode() { for (uint32_t i=0; i < _polyphony; ++i) - _descriptor->cleanup(_instances[i]); + _descriptor->cleanup((*_instances)[i]); delete[] _instances; } @@ -177,7 +227,7 @@ LADSPANode::activate() port->set_value(0.0f, 0);*/ } if (_descriptor->activate != NULL) - _descriptor->activate(_instances[i]); + _descriptor->activate((*_instances)[i]); } } @@ -189,7 +239,7 @@ LADSPANode::deactivate() for (uint32_t i=0; i < _polyphony; ++i) if (_descriptor->deactivate != NULL) - _descriptor->deactivate(_instances[i]); + _descriptor->deactivate((*_instances)[i]); } @@ -199,7 +249,7 @@ LADSPANode::process(ProcessContext& context) NodeBase::pre_process(context); for (uint32_t i=0; i < _polyphony; ++i) - _descriptor->run(_instances[i], context.nframes()); + _descriptor->run((*_instances)[i], context.nframes()); NodeBase::post_process(context); } @@ -214,7 +264,7 @@ LADSPANode::set_port_buffer(uint32_t voice, uint32_t port_num, Buffer* buf) assert(audio_buffer); if (port_num < _descriptor->PortCount) - _descriptor->connect_port(_instances[voice], port_num, + _descriptor->connect_port((*_instances)[voice], port_num, audio_buffer->data()); } |