Add missing files.
git-svn-id: svn://localhost/ardour2/branches/3.0@10774 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington
101
libs/ardour/ardour/vst_plugin.h
Normal file
101
libs/ardour/ardour/vst_plugin.h
Normal file
@@ -0,0 +1,101 @@
|
||||
/*
|
||||
Copyright (C) 2010 Paul Davis
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
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.
|
||||
|
||||
*/
|
||||
|
||||
#ifndef __ardour_vst_plugin_h__
|
||||
#define __ardour_vst_plugin_h__
|
||||
|
||||
#include "ardour/plugin.h"
|
||||
|
||||
struct _AEffect;
|
||||
typedef struct _AEffect AEffect;
|
||||
struct _VSTHandle;
|
||||
typedef struct _VSTHandle VSTHandle;
|
||||
struct _VSTState;
|
||||
typedef struct _VSTState VSTState;
|
||||
|
||||
namespace ARDOUR {
|
||||
|
||||
/** Parent class for VST plugins of both Windows and Linux varieties */
|
||||
class VSTPlugin : public Plugin
|
||||
{
|
||||
public:
|
||||
VSTPlugin (AudioEngine &, Session &, VSTHandle *);
|
||||
virtual ~VSTPlugin ();
|
||||
|
||||
void activate ();
|
||||
void deactivate ();
|
||||
|
||||
int set_block_size (pframes_t);
|
||||
float default_value (uint32_t port);
|
||||
float get_parameter (uint32_t port) const;
|
||||
uint32_t nth_parameter (uint32_t port, bool& ok) const;
|
||||
void set_parameter (uint32_t port, float val);
|
||||
bool load_preset (PresetRecord);
|
||||
int get_parameter_descriptor (uint32_t which, ParameterDescriptor&) const;
|
||||
std::string describe_parameter (Evoral::Parameter);
|
||||
framecnt_t signal_latency() const;
|
||||
std::set<Evoral::Parameter> automatable() const;
|
||||
|
||||
bool parameter_is_audio (uint32_t) const { return false; }
|
||||
bool parameter_is_control (uint32_t) const { return true; }
|
||||
bool parameter_is_input (uint32_t) const { return true; }
|
||||
bool parameter_is_output (uint32_t) const { return false; }
|
||||
|
||||
int connect_and_run (
|
||||
BufferSet&, ChanMapping in, ChanMapping out,
|
||||
pframes_t nframes, framecnt_t offset
|
||||
);
|
||||
|
||||
std::string unique_id () const;
|
||||
const char * label () const;
|
||||
const char * name () const;
|
||||
const char * maker () const;
|
||||
uint32_t parameter_count () const;
|
||||
void print_parameter (uint32_t, char*, uint32_t len) const;
|
||||
|
||||
bool has_editor () const;
|
||||
|
||||
AEffect * plugin () const { return _plugin; }
|
||||
VSTState * state () const { return _state; }
|
||||
|
||||
int set_state (XMLNode const &, int);
|
||||
|
||||
int first_user_preset_index () const;
|
||||
|
||||
protected:
|
||||
void set_plugin (AEffect *);
|
||||
gchar* get_chunk (bool) const;
|
||||
int set_chunk (gchar const *, bool);
|
||||
void add_state (XMLNode *) const;
|
||||
bool load_user_preset (PresetRecord);
|
||||
bool load_plugin_preset (PresetRecord);
|
||||
std::string do_save_preset (std::string name);
|
||||
void do_remove_preset (std::string name);
|
||||
XMLTree * presets_tree () const;
|
||||
std::string presets_file () const;
|
||||
void find_presets ();
|
||||
|
||||
VSTHandle* _handle;
|
||||
VSTState* _state;
|
||||
AEffect* _plugin;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
713
libs/ardour/vst_plugin.cc
Normal file
713
libs/ardour/vst_plugin.cc
Normal file
@@ -0,0 +1,713 @@
|
||||
/*
|
||||
Copyright (C) 2010 Paul Davis
|
||||
|
||||
This program is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
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 "pbd/locale_guard.h"
|
||||
#include "pbd/pathscanner.h"
|
||||
#include "ardour/vst_plugin.h"
|
||||
#include "ardour/vestige/aeffectx.h"
|
||||
#include "ardour/session.h"
|
||||
#include "ardour/vst_types.h"
|
||||
#include "ardour/filesystem_paths.h"
|
||||
#include "ardour/audio_buffer.h"
|
||||
|
||||
#include "i18n.h"
|
||||
|
||||
using namespace std;
|
||||
using namespace PBD;
|
||||
using namespace ARDOUR;
|
||||
|
||||
VSTPlugin::VSTPlugin (AudioEngine& engine, Session& session, VSTHandle* handle)
|
||||
: Plugin (engine, session)
|
||||
, _handle (handle)
|
||||
, _state (0)
|
||||
, _plugin (0)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
VSTPlugin::~VSTPlugin ()
|
||||
{
|
||||
deactivate ();
|
||||
}
|
||||
|
||||
void
|
||||
VSTPlugin::set_plugin (AEffect* e)
|
||||
{
|
||||
_plugin = e;
|
||||
_plugin->user = this;
|
||||
|
||||
/* set rate and blocksize */
|
||||
|
||||
_plugin->dispatcher (_plugin, effSetSampleRate, 0, 0, NULL, (float) _session.frame_rate());
|
||||
_plugin->dispatcher (_plugin, effSetBlockSize, 0, _session.get_block_size(), NULL, 0.0f);
|
||||
|
||||
/* set program to zero */
|
||||
|
||||
_plugin->dispatcher (_plugin, effSetProgram, 0, 0, NULL, 0.0f);
|
||||
}
|
||||
|
||||
void
|
||||
VSTPlugin::deactivate ()
|
||||
{
|
||||
_plugin->dispatcher (_plugin, effMainsChanged, 0, 0, NULL, 0.0f);
|
||||
}
|
||||
|
||||
void
|
||||
VSTPlugin::activate ()
|
||||
{
|
||||
_plugin->dispatcher (_plugin, effMainsChanged, 0, 1, NULL, 0.0f);
|
||||
}
|
||||
|
||||
int
|
||||
VSTPlugin::set_block_size (pframes_t nframes)
|
||||
{
|
||||
deactivate ();
|
||||
_plugin->dispatcher (_plugin, effSetBlockSize, 0, nframes, NULL, 0.0f);
|
||||
activate ();
|
||||
return 0;
|
||||
}
|
||||
|
||||
float
|
||||
VSTPlugin::default_value (uint32_t)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
float
|
||||
VSTPlugin::get_parameter (uint32_t which) const
|
||||
{
|
||||
return _plugin->getParameter (_plugin, which);
|
||||
}
|
||||
|
||||
void
|
||||
VSTPlugin::set_parameter (uint32_t which, float val)
|
||||
{
|
||||
_plugin->setParameter (_plugin, which, val);
|
||||
|
||||
if (_state->want_program == -1 && _state->want_chunk == 0) {
|
||||
/* Heinous hack: Plugin::set_parameter below updates the `modified' status of the
|
||||
current preset, but if _state->want_program is not -1 then there is a preset
|
||||
setup pending or in progress, which we don't want any `modified' updates
|
||||
to happen for. So we only do this if _state->want_program is -1.
|
||||
*/
|
||||
Plugin::set_parameter (which, val);
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t
|
||||
VSTPlugin::nth_parameter (uint32_t n, bool& ok) const
|
||||
{
|
||||
ok = true;
|
||||
return n;
|
||||
}
|
||||
|
||||
/** Get VST chunk as base64-encoded data.
|
||||
* @param single true for single program, false for all programs.
|
||||
* @return 0-terminated base64-encoded data; must be passed to g_free () by caller.
|
||||
*/
|
||||
gchar *
|
||||
VSTPlugin::get_chunk (bool single) const
|
||||
{
|
||||
guchar* data;
|
||||
int32_t data_size = _plugin->dispatcher (_plugin, 23 /* effGetChunk */, single ? 1 : 0, 0, &data, 0);
|
||||
if (data_size == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
return g_base64_encode (data, data_size);
|
||||
}
|
||||
|
||||
/** Set VST chunk from base64-encoded data.
|
||||
* @param 0-terminated base64-encoded data.
|
||||
* @param single true for single program, false for all programs.
|
||||
* @return 0 on success, non-0 on failure
|
||||
*/
|
||||
int
|
||||
VSTPlugin::set_chunk (gchar const * data, bool single)
|
||||
{
|
||||
gsize size = 0;
|
||||
guchar* raw_data = g_base64_decode (data, &size);
|
||||
int const r = _plugin->dispatcher (_plugin, 24 /* effSetChunk */, single ? 1 : 0, size, raw_data, 0);
|
||||
g_free (raw_data);
|
||||
return r;
|
||||
}
|
||||
|
||||
void
|
||||
VSTPlugin::add_state (XMLNode* root) const
|
||||
{
|
||||
LocaleGuard lg (X_("POSIX"));
|
||||
|
||||
if (_state->current_program != -1) {
|
||||
char buf[32];
|
||||
snprintf (buf, sizeof (buf), "%d", _state->current_program);
|
||||
root->add_property ("current-program", buf);
|
||||
}
|
||||
|
||||
if (_plugin->flags & 32 /* effFlagsProgramsChunks */) {
|
||||
|
||||
gchar* data = get_chunk (false);
|
||||
if (data == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
/* store information */
|
||||
|
||||
XMLNode* chunk_node = new XMLNode (X_("chunk"));
|
||||
|
||||
chunk_node->add_content (data);
|
||||
g_free (data);
|
||||
|
||||
root->add_child_nocopy (*chunk_node);
|
||||
|
||||
} else {
|
||||
|
||||
XMLNode* parameters = new XMLNode ("parameters");
|
||||
|
||||
for (int32_t n = 0; n < _plugin->numParams; ++n) {
|
||||
char index[64];
|
||||
char val[32];
|
||||
snprintf (index, sizeof (index), "param-%d", n);
|
||||
snprintf (val, sizeof (val), "%.12g", _plugin->getParameter (_plugin, n));
|
||||
parameters->add_property (index, val);
|
||||
}
|
||||
|
||||
root->add_child_nocopy (*parameters);
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
VSTPlugin::set_state (const XMLNode& node, int version)
|
||||
{
|
||||
LocaleGuard lg (X_("POSIX"));
|
||||
|
||||
if (node.name() != state_node_name()) {
|
||||
error << _("Bad node sent to VSTPlugin::set_state") << endmsg;
|
||||
return 0;
|
||||
}
|
||||
|
||||
const XMLProperty* prop;
|
||||
|
||||
if ((prop = node.property ("current-program")) != 0) {
|
||||
_state->want_program = atoi (prop->value().c_str());
|
||||
}
|
||||
|
||||
XMLNode* child;
|
||||
int ret = -1;
|
||||
|
||||
if ((child = find_named_node (node, X_("chunk"))) != 0) {
|
||||
|
||||
XMLPropertyList::const_iterator i;
|
||||
XMLNodeList::const_iterator n;
|
||||
|
||||
for (n = child->children ().begin (); n != child->children ().end (); ++n) {
|
||||
if ((*n)->is_content ()) {
|
||||
/* XXX: this may be dubious for the same reasons that we delay
|
||||
execution of load_preset.
|
||||
*/
|
||||
ret = set_chunk ((*n)->content().c_str(), false);
|
||||
}
|
||||
}
|
||||
|
||||
} else if ((child = find_named_node (node, X_("parameters"))) != 0) {
|
||||
|
||||
XMLPropertyList::const_iterator i;
|
||||
|
||||
for (i = child->properties().begin(); i != child->properties().end(); ++i) {
|
||||
int32_t param;
|
||||
float val;
|
||||
|
||||
sscanf ((*i)->name().c_str(), "param-%d", ¶m);
|
||||
sscanf ((*i)->value().c_str(), "%f", &val);
|
||||
|
||||
_plugin->setParameter (_plugin, param, val);
|
||||
}
|
||||
|
||||
/* program number is not knowable */
|
||||
|
||||
_state->current_program = -1;
|
||||
|
||||
ret = 0;
|
||||
|
||||
}
|
||||
|
||||
Plugin::set_state (node, version);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
int
|
||||
VSTPlugin::get_parameter_descriptor (uint32_t which, ParameterDescriptor& desc) const
|
||||
{
|
||||
VstParameterProperties prop;
|
||||
|
||||
desc.min_unbound = false;
|
||||
desc.max_unbound = false;
|
||||
prop.flags = 0;
|
||||
|
||||
if (_plugin->dispatcher (_plugin, effGetParameterProperties, which, 0, &prop, 0)) {
|
||||
|
||||
#ifdef VESTIGE_COMPLETE
|
||||
|
||||
/* i have yet to find or hear of a VST plugin that uses this */
|
||||
|
||||
if (prop.flags & kVstParameterUsesIntegerMinMax) {
|
||||
desc.lower = prop.minInteger;
|
||||
desc.upper = prop.maxInteger;
|
||||
} else {
|
||||
desc.lower = 0;
|
||||
desc.upper = 1.0;
|
||||
}
|
||||
|
||||
if (prop.flags & kVstParameterUsesIntStep) {
|
||||
|
||||
desc.step = prop.stepInteger;
|
||||
desc.smallstep = prop.stepInteger;
|
||||
desc.largestep = prop.stepInteger;
|
||||
|
||||
} else if (prop.flags & kVstParameterUsesFloatStep) {
|
||||
|
||||
desc.step = prop.stepFloat;
|
||||
desc.smallstep = prop.smallStepFloat;
|
||||
desc.largestep = prop.largeStepFloat;
|
||||
|
||||
} else {
|
||||
|
||||
float range = desc.upper - desc.lower;
|
||||
|
||||
desc.step = range / 100.0f;
|
||||
desc.smallstep = desc.step / 2.0f;
|
||||
desc.largestep = desc.step * 10.0f;
|
||||
}
|
||||
|
||||
desc.toggled = prop.flags & kVstParameterIsSwitch;
|
||||
desc.logarithmic = false;
|
||||
desc.sr_dependent = false;
|
||||
desc.label = prop.label;
|
||||
#endif
|
||||
|
||||
} else {
|
||||
|
||||
/* old style */
|
||||
|
||||
char label[64];
|
||||
label[0] = '\0';
|
||||
|
||||
_plugin->dispatcher (_plugin, effGetParamName, which, 0, label, 0);
|
||||
|
||||
desc.label = label;
|
||||
desc.integer_step = false;
|
||||
desc.lower = 0.0f;
|
||||
desc.upper = 1.0f;
|
||||
desc.step = 0.01f;
|
||||
desc.smallstep = 0.005f;
|
||||
desc.largestep = 0.1f;
|
||||
desc.toggled = false;
|
||||
desc.logarithmic = false;
|
||||
desc.sr_dependent = false;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool
|
||||
VSTPlugin::load_preset (PresetRecord r)
|
||||
{
|
||||
bool s;
|
||||
|
||||
if (r.user) {
|
||||
s = load_user_preset (r);
|
||||
} else {
|
||||
s = load_plugin_preset (r);
|
||||
}
|
||||
|
||||
if (s) {
|
||||
Plugin::load_preset (r);
|
||||
}
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
bool
|
||||
VSTPlugin::load_plugin_preset (PresetRecord r)
|
||||
{
|
||||
/* This is a plugin-provided preset.
|
||||
We can't dispatch directly here; too many plugins expects only one GUI thread.
|
||||
*/
|
||||
|
||||
/* Extract the index of this preset from the URI */
|
||||
int id;
|
||||
int index;
|
||||
#ifndef NDEBUG
|
||||
int const p = sscanf (r.uri.c_str(), "VST:%d:%d", &id, &index);
|
||||
assert (p == 2);
|
||||
#else
|
||||
sscanf (r.uri.c_str(), "VST:%d:%d", &id, &index);
|
||||
#endif
|
||||
|
||||
_state->want_program = index;
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
VSTPlugin::load_user_preset (PresetRecord r)
|
||||
{
|
||||
/* This is a user preset; we load it, and this code also knows about the
|
||||
non-direct-dispatch thing.
|
||||
*/
|
||||
|
||||
boost::shared_ptr<XMLTree> t (presets_tree ());
|
||||
if (t == 0) {
|
||||
return false;
|
||||
}
|
||||
|
||||
XMLNode* root = t->root ();
|
||||
|
||||
for (XMLNodeList::const_iterator i = root->children().begin(); i != root->children().end(); ++i) {
|
||||
XMLProperty* label = (*i)->property (X_("label"));
|
||||
|
||||
assert (label);
|
||||
|
||||
if (label->value() != r.label) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (_plugin->flags & 32 /* effFlagsProgramsChunks */) {
|
||||
|
||||
/* Load a user preset chunk from our XML file and send it via a circuitous route to the plugin */
|
||||
|
||||
if (_state->wanted_chunk) {
|
||||
g_free (_state->wanted_chunk);
|
||||
}
|
||||
|
||||
for (XMLNodeList::const_iterator j = (*i)->children().begin(); j != (*i)->children().end(); ++j) {
|
||||
if ((*j)->is_content ()) {
|
||||
/* we can't dispatch directly here; too many plugins expect only one GUI thread */
|
||||
gsize size = 0;
|
||||
guchar* raw_data = g_base64_decode ((*j)->content().c_str(), &size);
|
||||
_state->wanted_chunk = raw_data;
|
||||
_state->wanted_chunk_size = size;
|
||||
_state->want_chunk = 1;
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
|
||||
}
|
||||
else {
|
||||
for (XMLNodeList::const_iterator j = (*i)->children().begin(); j != (*i)->children().end(); ++j) {
|
||||
if ((*j)->name() == X_("Parameter")) {
|
||||
XMLProperty* index = (*j)->property (X_("index"));
|
||||
XMLProperty* value = (*j)->property (X_("value"));
|
||||
|
||||
assert (index);
|
||||
assert (value);
|
||||
|
||||
set_parameter (atoi (index->value().c_str()), atof (value->value().c_str ()));
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
string
|
||||
VSTPlugin::do_save_preset (string name)
|
||||
{
|
||||
boost::shared_ptr<XMLTree> t (presets_tree ());
|
||||
if (t == 0) {
|
||||
return "";
|
||||
}
|
||||
|
||||
XMLNode* p = 0;
|
||||
/* XXX: use of _presets.size() + 1 for the unique ID here is dubious at best */
|
||||
string const uri = string_compose (X_("VST:%1:%2"), unique_id (), _presets.size() + 1);
|
||||
|
||||
if (_plugin->flags & 32 /* effFlagsProgramsChunks */) {
|
||||
|
||||
p = new XMLNode (X_("ChunkPreset"));
|
||||
p->add_property (X_("uri"), uri);
|
||||
p->add_property (X_("label"), name);
|
||||
gchar* data = get_chunk (true);
|
||||
p->add_content (string (data));
|
||||
g_free (data);
|
||||
|
||||
}
|
||||
else {
|
||||
|
||||
p = new XMLNode (X_("Preset"));
|
||||
p->add_property (X_("uri"), uri);
|
||||
p->add_property (X_("label"), name);
|
||||
|
||||
for (uint32_t i = 0; i < parameter_count(); ++i) {
|
||||
if (parameter_is_input (i)) {
|
||||
XMLNode* c = new XMLNode (X_("Parameter"));
|
||||
c->add_property (X_("index"), string_compose ("%1", i));
|
||||
c->add_property (X_("value"), string_compose ("%1", get_parameter (i)));
|
||||
p->add_child_nocopy (*c);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
t->root()->add_child_nocopy (*p);
|
||||
|
||||
sys::path f = ARDOUR::user_config_directory ();
|
||||
f /= "presets";
|
||||
f /= presets_file ();
|
||||
|
||||
t->write (f.to_string ());
|
||||
return uri;
|
||||
}
|
||||
|
||||
void
|
||||
VSTPlugin::do_remove_preset (string name)
|
||||
{
|
||||
boost::shared_ptr<XMLTree> t (presets_tree ());
|
||||
if (t == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
t->root()->remove_nodes_and_delete (X_("label"), name);
|
||||
|
||||
sys::path f = ARDOUR::user_config_directory ();
|
||||
f /= "presets";
|
||||
f /= presets_file ();
|
||||
|
||||
t->write (f.to_string ());
|
||||
}
|
||||
|
||||
string
|
||||
VSTPlugin::describe_parameter (Evoral::Parameter param)
|
||||
{
|
||||
char name[64] = "Unkown";
|
||||
_plugin->dispatcher (_plugin, effGetParamName, param.id(), 0, name, 0);
|
||||
return name;
|
||||
}
|
||||
|
||||
framecnt_t
|
||||
VSTPlugin::signal_latency () const
|
||||
{
|
||||
if (_user_latency) {
|
||||
return _user_latency;
|
||||
}
|
||||
|
||||
return *((int32_t *) (((char *) &_plugin->flags) + 12)); /* initialDelay */
|
||||
}
|
||||
|
||||
set<Evoral::Parameter>
|
||||
VSTPlugin::automatable () const
|
||||
{
|
||||
set<Evoral::Parameter> ret;
|
||||
|
||||
for (uint32_t i = 0; i < parameter_count(); ++i) {
|
||||
ret.insert (ret.end(), Evoral::Parameter(PluginAutomation, 0, i));
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
int
|
||||
VSTPlugin::connect_and_run (BufferSet& bufs,
|
||||
ChanMapping in_map, ChanMapping out_map,
|
||||
pframes_t nframes, framecnt_t offset)
|
||||
{
|
||||
Plugin::connect_and_run (bufs, in_map, out_map, nframes, offset);
|
||||
|
||||
float *ins[_plugin->numInputs];
|
||||
float *outs[_plugin->numOutputs];
|
||||
int32_t i;
|
||||
|
||||
const uint32_t nbufs = bufs.count().n_audio();
|
||||
|
||||
int in_index = 0;
|
||||
for (i = 0; i < (int32_t) _plugin->numInputs; ++i) {
|
||||
ins[i] = bufs.get_audio(min((uint32_t) in_index, nbufs - 1)).data() + offset;
|
||||
in_index++;
|
||||
}
|
||||
|
||||
int out_index = 0;
|
||||
for (i = 0; i < (int32_t) _plugin->numOutputs; ++i) {
|
||||
outs[i] = bufs.get_audio(min((uint32_t) out_index, nbufs - 1)).data() + offset;
|
||||
out_index++;
|
||||
}
|
||||
|
||||
if (bufs.count().n_midi() > 0) {
|
||||
VstEvents* v = bufs.get_vst_midi (0);
|
||||
_plugin->dispatcher (_plugin, effProcessEvents, 0, 0, v, 0);
|
||||
}
|
||||
|
||||
/* we already know it can support processReplacing */
|
||||
_plugin->processReplacing (_plugin, ins, outs, nframes);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
string
|
||||
VSTPlugin::unique_id () const
|
||||
{
|
||||
char buf[32];
|
||||
|
||||
snprintf (buf, sizeof (buf), "%d", _plugin->uniqueID);
|
||||
|
||||
return string (buf);
|
||||
}
|
||||
|
||||
|
||||
const char *
|
||||
VSTPlugin::name () const
|
||||
{
|
||||
return _handle->name;
|
||||
}
|
||||
|
||||
const char *
|
||||
VSTPlugin::maker () const
|
||||
{
|
||||
return _info->creator.c_str();
|
||||
}
|
||||
|
||||
const char *
|
||||
VSTPlugin::label () const
|
||||
{
|
||||
return _handle->name;
|
||||
}
|
||||
|
||||
uint32_t
|
||||
VSTPlugin::parameter_count () const
|
||||
{
|
||||
return _plugin->numParams;
|
||||
}
|
||||
|
||||
bool
|
||||
VSTPlugin::has_editor () const
|
||||
{
|
||||
return _plugin->flags & effFlagsHasEditor;
|
||||
}
|
||||
|
||||
void
|
||||
VSTPlugin::print_parameter (uint32_t param, char *buf, uint32_t /*len*/) const
|
||||
{
|
||||
char *first_nonws;
|
||||
|
||||
_plugin->dispatcher (_plugin, 7 /* effGetParamDisplay */, param, 0, buf, 0);
|
||||
|
||||
if (buf[0] == '\0') {
|
||||
return;
|
||||
}
|
||||
|
||||
first_nonws = buf;
|
||||
while (*first_nonws && isspace (*first_nonws)) {
|
||||
first_nonws++;
|
||||
}
|
||||
|
||||
if (*first_nonws == '\0') {
|
||||
return;
|
||||
}
|
||||
|
||||
memmove (buf, first_nonws, strlen (buf) - (first_nonws - buf) + 1);
|
||||
}
|
||||
|
||||
void
|
||||
VSTPlugin::find_presets ()
|
||||
{
|
||||
/* Built-in presets */
|
||||
|
||||
int const vst_version = _plugin->dispatcher (_plugin, effGetVstVersion, 0, 0, NULL, 0);
|
||||
for (int i = 0; i < _plugin->numPrograms; ++i) {
|
||||
PresetRecord r (string_compose (X_("VST:%1:%2"), unique_id (), i), "", false);
|
||||
|
||||
if (vst_version >= 2) {
|
||||
char buf[256];
|
||||
if (_plugin->dispatcher (_plugin, 29, i, 0, buf, 0) == 1) {
|
||||
r.label = buf;
|
||||
} else {
|
||||
r.label = string_compose (_("Preset %1"), i);
|
||||
}
|
||||
} else {
|
||||
r.label = string_compose (_("Preset %1"), i);
|
||||
}
|
||||
|
||||
_presets.insert (make_pair (r.uri, r));
|
||||
}
|
||||
|
||||
/* User presets from our XML file */
|
||||
|
||||
boost::shared_ptr<XMLTree> t (presets_tree ());
|
||||
|
||||
if (t) {
|
||||
XMLNode* root = t->root ();
|
||||
for (XMLNodeList::const_iterator i = root->children().begin(); i != root->children().end(); ++i) {
|
||||
|
||||
XMLProperty* uri = (*i)->property (X_("uri"));
|
||||
XMLProperty* label = (*i)->property (X_("label"));
|
||||
|
||||
assert (uri);
|
||||
assert (label);
|
||||
|
||||
PresetRecord r (uri->value(), label->value(), true);
|
||||
_presets.insert (make_pair (r.uri, r));
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/** @return XMLTree with our user presets; could be a new one if no existing
|
||||
* one was found, or 0 if one was present but badly-formatted.
|
||||
*/
|
||||
XMLTree *
|
||||
VSTPlugin::presets_tree () const
|
||||
{
|
||||
XMLTree* t = new XMLTree;
|
||||
|
||||
sys::path p = ARDOUR::user_config_directory ();
|
||||
p /= "presets";
|
||||
|
||||
if (!is_directory (p)) {
|
||||
create_directory (p);
|
||||
}
|
||||
|
||||
p /= presets_file ();
|
||||
|
||||
if (!exists (p)) {
|
||||
t->set_root (new XMLNode (X_("VSTPresets")));
|
||||
return t;
|
||||
}
|
||||
|
||||
t->set_filename (p.to_string ());
|
||||
if (!t->read ()) {
|
||||
delete t;
|
||||
return 0;
|
||||
}
|
||||
|
||||
return t;
|
||||
}
|
||||
|
||||
/** @return Index of the first user preset in our lists */
|
||||
int
|
||||
VSTPlugin::first_user_preset_index () const
|
||||
{
|
||||
return _plugin->numPrograms;
|
||||
}
|
||||
|
||||
string
|
||||
VSTPlugin::presets_file () const
|
||||
{
|
||||
return string_compose ("vst-%1", unique_id ());
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user