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|
/*
* Copyright (C) 2021 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2021 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-plugin-fw
* Created on: 20 нояб. 2021 г.
*
* lsp-plugin-fw is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-plugin-fw 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-plugin-fw. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_PLUG_FW_WRAP_LV2_UI_PORTS_H_
#define LSP_PLUG_IN_PLUG_FW_WRAP_LV2_UI_PORTS_H_
#include <lsp-plug.in/plug-fw/version.h>
#include <lsp-plug.in/plug-fw/meta/func.h>
#include <lsp-plug.in/plug-fw/meta/types.h>
#include <lsp-plug.in/plug-fw/ui.h>
#include <lsp-plug.in/plug-fw/wrap/lv2/extensions.h>
#include <lsp-plug.in/plug-fw/wrap/lv2/ports.h>
namespace lsp
{
namespace lv2
{
// Specify port classes
class UIPort: public ui::IPort, public lv2::Serializable
{
protected:
ssize_t nID;
public:
explicit UIPort(const meta::port_t *meta, lv2::Extensions *ext) : ui::IPort(meta), lv2::Serializable(ext)
{
nID = -1;
urid = (meta != NULL) ? pExt->map_port(meta->id) : -1;
}
virtual ~UIPort()
{
}
public:
virtual void notify(const void *buffer, size_t protocol, size_t size)
{
}
inline const char *get_uri() const { return (pExt->unmap_urid(urid)); };
virtual LV2_URID get_type_urid() const { return 0; };
inline void set_id(ssize_t id) { nID = id; };
inline ssize_t get_id() const { return nID; };
virtual bool sync() { return false; };
};
class UIPortGroup: public UIPort
{
protected:
size_t nRows;
size_t nCols;
size_t nCurrRow;
lv2::Port *pPort;
public:
UIPortGroup(const meta::port_t *meta, lv2::Extensions *ext, lv2::Port *port) : UIPort(meta, ext)
{
nCurrRow = meta->start;
nRows = list_size(meta->items);
nCols = port_list_size(meta->members);
pPort = port;
if (port != NULL)
{
lsp_trace("Connected direct group port id=%s", port->metadata()->id);
nCurrRow = port->value();
}
}
virtual ~UIPortGroup()
{
}
public:
virtual float value()
{
return nCurrRow;
}
virtual void set_value(float value)
{
size_t new_value = meta::limit_value(pMetadata, value);
if ((new_value >= 0) && (new_value < nRows) && (new_value != nCurrRow))
{
nCurrRow = new_value;
lsp_trace("writing patch event id=%s, value=%d", pMetadata->id, int(new_value));
pExt->ui_write_patch(this);
}
}
virtual void serialize()
{
// Serialize and reset pending flag
pExt->forge_int(nCurrRow);
}
virtual void deserialize(const void *data)
{
const LV2_Atom_Int *atom = reinterpret_cast<const LV2_Atom_Int *>(data);
if ((atom->body >= 0) && (atom->body < int32_t(nRows)))
nCurrRow = atom->body;
}
virtual LV2_URID get_type_urid() const
{
return pExt->forge.Int;
}
public:
inline size_t rows() const { return nRows; }
inline size_t cols() const { return nCols; }
};
class UIFloatPort: public UIPort
{
protected:
float fValue;
bool bForce;
lv2::Port *pPort;
public:
explicit UIFloatPort(const meta::port_t *meta, lv2::Extensions *ext, lv2::Port *port) :
UIPort(meta, ext)
{
fValue = meta->start;
pPort = port;
if (port != NULL)
{
lsp_trace("Connected direct float port id=%s", port->metadata()->id);
fValue = port->value();
}
bForce = port != NULL;
}
virtual ~UIFloatPort() { fValue = pMetadata->start; };
public:
virtual float value() { return fValue; }
virtual void set_value(float value)
{
fValue = meta::limit_value(pMetadata, value);
if (nID >= 0)
{
// Use standard mechanism to access port
//lsp_trace("write(%d, %d, %d, %f)", int(nID), int(sizeof(float)), int(0), fValue);
pExt->write_data(nID, sizeof(float), 0, &fValue);
}
else
{
lsp_trace("writing patch event id=%s, value=%f", pMetadata->id, fValue);
pExt->ui_write_patch(this);
}
}
virtual LV2_URID get_type_urid() const { return pExt->forge.Float; };
virtual void serialize()
{
pExt->forge_float(fValue);
};
virtual void deserialize(const void *data)
{
const LV2_Atom_Float *atom = reinterpret_cast<const LV2_Atom_Float *>(data);
fValue = meta::limit_value(pMetadata, atom->body);
}
virtual void notify(const void *buffer, size_t protocol, size_t size)
{
if (size == sizeof(float))
fValue = meta::limit_value(pMetadata, *(reinterpret_cast<const float *>(buffer)));
}
virtual bool sync()
{
if ((pPort == NULL) || (nID >= 0))
return false;
float old = fValue;
fValue = meta::limit_value(pMetadata, pPort->value());
bool synced = (fValue != old) || bForce;
bForce = false;
#ifdef LSP_TRACE
if (synced)
lsp_trace("Directly received float port id=%s, value=%f",
pPort->metadata()->id, fValue);
#endif
return synced;
}
};
class UIBypassPort: public UIFloatPort
{
public:
explicit UIBypassPort(const meta::port_t *meta, lv2::Extensions *ext, lv2::Port *port) :
UIFloatPort(meta, ext, port)
{
}
virtual ~UIBypassPort() { };
public:
virtual void set_value(float value)
{
fValue = meta::limit_value(pMetadata, value);
if (nID >= 0)
{
// Use standard mechanism to access port
float value = pMetadata->max - fValue;
lsp_trace("write(%d, %d, %d, %f)", int(nID), int(sizeof(float)), int(0), value);
pExt->write_data(nID, sizeof(float), 0, &value);
}
else
{
lsp_trace("writing patch event id=%s, value=%f", pMetadata->id, fValue);
pExt->ui_write_patch(this);
}
}
virtual void serialize()
{
pExt->forge_float(pMetadata->max - fValue);
};
virtual void deserialize(const void *data)
{
const LV2_Atom_Float *atom = reinterpret_cast<const LV2_Atom_Float *>(data);
fValue = meta::limit_value(pMetadata, pMetadata->max - atom->body);
}
virtual void notify(const void *buffer, size_t protocol, size_t size)
{
if (size == sizeof(float))
fValue = meta::limit_value(pMetadata, pMetadata->max - *(reinterpret_cast<const float *>(buffer)));
lsp_trace("set value of port %s = %f", pMetadata->id, fValue);
}
};
class UIPeakPort: public UIFloatPort
{
public:
explicit UIPeakPort(const meta::port_t *meta, lv2::Extensions *ext, lv2::Port *port) :
UIFloatPort(meta, ext, port) {}
virtual ~UIPeakPort() {};
public:
virtual void notify(const void *buffer, size_t protocol, size_t size)
{
if (size == sizeof(LV2UI_Peak_Data))
{
fValue = meta::limit_value(pMetadata, (reinterpret_cast<const LV2UI_Peak_Data *>(buffer))->peak);
return;
}
UIFloatPort::notify(buffer, protocol, size);
// lsp_trace("id=%s, value=%f", pMetadata->id, fValue);
}
};
class UIMeshPort: public UIPort
{
protected:
lv2_mesh_t sMesh;
bool bParsed;
lv2::MeshPort *pPort;
public:
explicit UIMeshPort(const meta::port_t *meta, lv2::Extensions *ext, lv2::Port *xport) : UIPort(meta, ext)
{
sMesh.init(meta);
bParsed = false;
pPort = NULL;
lsp_trace("id=%s, ext=%p, xport=%p", meta->id, ext, xport);
// Try to perform direct access to the port using LV2:Instance interface
const meta::port_t *xmeta = (xport != NULL) ? xport->metadata() : NULL;
if (meta::is_mesh_port(xmeta))
{
pPort = static_cast<lv2::MeshPort *>(xport);
plug::mesh_t *mesh = static_cast<plug::mesh_t *>(pPort->buffer());
mesh->cleanup(); // Mark mesh as empty to force the DSP to write data to mesh
lsp_trace("Connected direct mesh port id=%s", xmeta->id);
}
}
virtual ~UIMeshPort()
{
}
public:
virtual LV2_URID get_type_urid() const { return pExt->uridMeshType; };
virtual void deserialize(const void *data)
{
const LV2_Atom_Object* obj = reinterpret_cast<const LV2_Atom_Object *>(data);
// Parse atom body
bParsed = false;
LV2_Atom_Property_Body *body = lv2_atom_object_begin(&obj->body);
// Get number of vectors (dimensions)
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
return;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridMeshDimensions) || (body->value.type != pExt->forge.Int))
return;
ssize_t dimensions = (reinterpret_cast<const LV2_Atom_Int *>(& body->value))->body;
// lsp_trace("dimensions=%d", int(dimensions));
if (dimensions > ssize_t(sMesh.nBuffers))
return;
sMesh.pMesh->nBuffers = dimensions;
// Get size of each vector
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
return;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridMeshItems) || (body->value.type != pExt->forge.Int))
return;
ssize_t vector_size = (reinterpret_cast<const LV2_Atom_Int *>(& body->value))->body;
// lsp_trace("vector size=%d", int(vector_size));
if ((vector_size < 0) || (vector_size > ssize_t(sMesh.nMaxItems)))
return;
sMesh.pMesh->nItems = vector_size;
// Now parse each vector
for (ssize_t i=0; i < dimensions; ++i)
{
// Read vector as array of floats
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
return;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
// lsp_trace("sMesh.pUrids[%d] (%d) = %s", int(i), int(sMesh.pUrids[i]), pExt->unmap_urid(sMesh.pUrids[i]));
if ((body->key != pExt->uridMeshData) || (body->value.type != pExt->forge.Vector))
return;
const LV2_Atom_Vector *v = reinterpret_cast<const LV2_Atom_Vector *>(&body->value);
// lsp_trace("v->body.child_type (%d) = %s", int(v->body.child_type), pExt->unmap_urid(v->body.child_type));
// lsp_trace("v->body.child_size = %d", int(v->body.child_size));
if ((v->body.child_size != sizeof(float)) || (v->body.child_type != pExt->forge.Float))
return;
ssize_t v_items = (v->atom.size - sizeof(LV2_Atom_Vector_Body)) / sizeof(float);
// lsp_trace("vector items=%d", int(v_items));
if (v_items != vector_size)
return;
// Now we can surely copy data
dsp::copy_saturated(sMesh.pMesh->pvData[i], reinterpret_cast<const float *>(v + 1), v_items);
// memcpy(sMesh.pMesh->pvData[i], reinterpret_cast<const float *>(v + 1), v_items * sizeof(float));
}
// Update mesh parameters
// lsp_trace("Mesh was successful parsed dimensions=%d, items=%d", int(sMesh.pMesh->nBuffers), int(sMesh.pMesh->nItems));
bParsed = true;
}
virtual void *buffer()
{
if (!bParsed)
return NULL;
return sMesh.pMesh;
}
virtual bool sync()
{
if (pPort == NULL)
return false;
plug::mesh_t *mesh = reinterpret_cast<plug::mesh_t *>(pPort->buffer());
if ((mesh == NULL) || (!mesh->containsData()))
return false;
// Copy mesh data
for (size_t i=0; i < mesh->nBuffers; ++i)
dsp::copy_saturated(sMesh.pMesh->pvData[i], mesh->pvData[i], mesh->nItems);
sMesh.pMesh->data(mesh->nBuffers, mesh->nItems);
// lsp_trace("Directly received mesh port id=%s, buffers=%d, items=%d",
// pPort->metadata()->id, int(sMesh.pMesh->nBuffers), int(sMesh.pMesh->nItems));
// Clean source mesh
mesh->cleanup();
bParsed = true;
return sMesh.pMesh->containsData();
}
};
class UIStreamPort: public UIPort
{
protected:
plug::stream_t *pStream;
lv2::StreamPort *pPort;
public:
explicit UIStreamPort(const meta::port_t *meta, lv2::Extensions *ext, lv2::Port *xport) : UIPort(meta, ext)
{
pStream = plug::stream_t::create(pMetadata->min, pMetadata->max, pMetadata->start);
pPort = NULL;
// Try to perform direct access to the port using LV2:Instance interface
const meta::port_t *xmeta = (xport != NULL) ? xport->metadata() : NULL;
if (meta::is_stream_port(xmeta))
{
pPort = static_cast<lv2::StreamPort *>(xport);
lsp_trace("Connected direct stream port id=%s", xmeta->id);
}
}
virtual ~UIStreamPort()
{
plug::stream_t::destroy(pStream);
pStream = NULL;
};
protected:
void deserialize_frame(LV2_Atom_Object *frame)
{
// Parse atom body
LV2_Atom_Property_Body *body = lv2_atom_object_begin(&frame->body);
// Get frame identifier
if (lv2_atom_object_is_end(&frame->body, frame->atom.size, body))
return;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridStreamFrameId) || (body->value.type != pExt->forge.Int))
return;
uint32_t frame_id = (reinterpret_cast<const LV2_Atom_Int *>(&body->value))->body;
// lsp_trace("frame_id = %d", int(frame_id));
// Get frame size
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&frame->body, frame->atom.size, body))
return;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridStreamFrameSize) || (body->value.type != pExt->forge.Int))
return;
ssize_t frame_size = (reinterpret_cast<const LV2_Atom_Int *>(&body->value))->body;
// lsp_trace("frame_size = %d", int(frame_size));
frame_size = lsp_min(frame_size, STREAM_MAX_FRAME_SIZE);
// lsp_trace("act_frame_size = %d", int(frame_size));
// If frame differs to the current one - clear the stream
uint32_t prev_id = frame_id - 1;
// lsp_trace("prev_id = %d, frame_id=%d", int(prev_id), int(pStream->frame_id()));
if (pStream->frame_id() != prev_id)
{
pStream->clear(prev_id);
// lsp_trace("cleared stream to frame %d", int(pStream->frame_id()));
}
// Now we are able to commit the frame
frame_size = pStream->add_frame(frame_size);
for (size_t i=0, n=pStream->channels(); i<n; ++i)
{
// Read vector as array of floats
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&frame->body, frame->atom.size, body))
break;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridStreamFrameData) || (body->value.type != pExt->forge.Vector))
return;
const LV2_Atom_Vector *v = reinterpret_cast<const LV2_Atom_Vector *>(&body->value);
// lsp_trace("body->child_size = %d, body->child_type (%d) = %s", int(v->body.child_size), int(v->body.child_type), pExt->unmap_urid(v->body.child_type));
if ((v->body.child_size != sizeof(float)) || (v->body.child_type != pExt->forge.Float))
return;
ssize_t v_items = lsp_min(frame_size, ssize_t((v->atom.size - sizeof(LV2_Atom_Vector_Body)) / sizeof(float)));
// lsp_trace("channel = %d, floats = %d", int(i), int(v_items));
pStream->write_frame(i, reinterpret_cast<const float *>(v + 1), 0, v_items);
}
// Commit the frame
pStream->commit_frame();
}
public:
virtual LV2_URID get_type_urid() const { return pExt->uridStreamType; };
virtual void deserialize(const void *data)
{
const LV2_Atom_Object* obj = reinterpret_cast<const LV2_Atom_Object *>(data);
// lsp_trace("id = %s", pMetadata->id);
// Parse atom body
LV2_Atom_Property_Body *body = lv2_atom_object_begin(&obj->body);
// Get number of vectors (dimensions)
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
return;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridStreamDimensions) || (body->value.type != pExt->forge.Int))
return;
uint32_t dimensions = (reinterpret_cast<const LV2_Atom_Int *>(&body->value))->body;
if (dimensions != pStream->channels())
return;
while (true)
{
// Get size of each vector
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
break;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridStreamFrame) || (body->value.type != pExt->forge.Object))
continue;
LV2_Atom_Object *fobj = (reinterpret_cast<LV2_Atom_Object *>(& body->value));
if ((fobj->body.id != pExt->uridBlank) || (fobj->body.otype != pExt->uridStreamFrameType))
continue;
// Read frame data
deserialize_frame(fobj);
}
}
virtual void *buffer()
{
return pStream;
}
virtual bool sync()
{
// Check if there is data for viewing
plug::stream_t *s = static_cast<plug::stream_t *>(pPort->buffer());
return (s != NULL) ? pStream->sync(s) : false;
}
};
class UIFrameBufferPort: public UIPort
{
protected:
plug::frame_buffer_t sFB;
lv2::FrameBufferPort *pPort;
public:
explicit UIFrameBufferPort(const meta::port_t *meta, lv2::Extensions *ext, lv2::Port *xport):
UIPort(meta, ext)
{
sFB.init(meta->start, meta->step);
pPort = NULL;
lsp_trace("id=%s, ext=%p, xport=%p", meta->id, ext, xport);
// Try to perform direct access to the port using LV2:Instance interface
const meta::port_t *xmeta = (xport != NULL) ? xport->metadata() : NULL;
if (meta::is_framebuffer_port(xmeta))
{
pPort = static_cast<lv2::FrameBufferPort *>(xport);
lsp_trace("Connected direct framebuffer port id=%s", xmeta->id);
}
}
virtual ~UIFrameBufferPort()
{
}
public:
virtual LV2_URID get_type_urid() const { return pExt->uridMeshType; };
virtual void deserialize(const void *data)
{
const LV2_Atom_Object* obj = reinterpret_cast<const LV2_Atom_Object *>(data);
// lsp_trace("id = %s", pMetadata->id);
// Parse atom body
LV2_Atom_Property_Body *body = lv2_atom_object_begin(&obj->body);
// Get number of vectors (dimensions)
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
return;
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridFrameBufferRows) || (body->value.type != pExt->forge.Int))
return;
uint32_t rows = (reinterpret_cast<const LV2_Atom_Int *>(& body->value))->body;
if (rows != sFB.rows())
{
// lsp_trace("Row count does not match: %d vs %d", int(rows), int(sFB.rows()));
return;
}
// Get size of each vector
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
{
// lsp_trace("unexpected end of object");
return;
}
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridFrameBufferCols) || (body->value.type != pExt->forge.Int))
return;
uint32_t cols = (reinterpret_cast<const LV2_Atom_Int *>(& body->value))->body;
if (cols != sFB.cols())
{
// lsp_trace("Column count does not match: %d vs %d", int(cols), int(sFB.cols()));
return;
}
// Get first row
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
{
// lsp_trace("unexpected end of object");
return;
}
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridFrameBufferFirstRowID) || (body->value.type != pExt->forge.Int))
return;
uint32_t first_row = (reinterpret_cast<const LV2_Atom_Int *>(& body->value))->body;
// lsp_trace("first_row = %d", int(first_row));
// Get last row
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
{
// lsp_trace("unexpected end of object");
return;
}
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridFrameBufferLastRowID) || (body->value.type != pExt->forge.Int))
return;
uint32_t last_row = (reinterpret_cast<const LV2_Atom_Int *>(& body->value))->body;
// lsp_trace("last_row = %d", int(last_row));
lsp_trace("first_row = %d, last_row = %d", int(first_row), int(last_row));
// Validate
uint32_t delta = last_row - first_row;
if (delta > FRAMEBUFFER_BULK_MAX)
{
// lsp_trace("delta too large: %d", int(delta));
return;
}
// Now parse each vector
while (first_row != last_row)
{
// Read vector as array of floats
body = lv2_atom_object_next(body);
if (lv2_atom_object_is_end(&obj->body, obj->atom.size, body))
{
// lsp_trace("unexpected end of object");
return;
}
// lsp_trace("body->key (%d) = %s", int(body->key), pExt->unmap_urid(body->key));
// lsp_trace("body->value.type (%d) = %s", int(body->value.type), pExt->unmap_urid(body->value.type));
if ((body->key != pExt->uridFrameBufferData) || (body->value.type != pExt->forge.Vector))
return;
const LV2_Atom_Vector *v = reinterpret_cast<const LV2_Atom_Vector *>(&body->value);
// lsp_trace("body->child_size = %d, body->child_type (%d) = %s", int(v->body.child_size), int(v->body.child_type), pExt->unmap_urid(v->body.child_type));
if ((v->body.child_size != sizeof(float)) || (v->body.child_type != pExt->forge.Float))
return;
ssize_t v_items = (v->atom.size - sizeof(LV2_Atom_Vector_Body)) / sizeof(float);
if (v_items != ssize_t(cols))
{
// lsp_trace("vector items does not match columns count: %d vs %d", int(v_items), int(cols));
return;
}
sFB.write_row(first_row++, reinterpret_cast<const float *>(v + 1));
}
sFB.seek(first_row);
}
virtual void *buffer()
{
return &sFB;
}
virtual bool sync()
{
// Check if there is data for viewing
plug::frame_buffer_t *fb = reinterpret_cast<plug::frame_buffer_t *>(pPort->buffer());
return (fb != NULL) ? sFB.sync(fb) : false;
}
};
class UIPathPort: public UIPort
{
protected:
lv2::PathPort *pPort;
char sPath[PATH_MAX];
public:
explicit UIPathPort(const meta::port_t *meta, lv2::Extensions *ext, lv2::Port *xport):
UIPort(meta, ext)
{
sPath[0] = '\0';
pPort = NULL;
lsp_trace("id=%s, ext=%p, xport=%p", meta->id, ext, xport);
// Try to perform direct access to the port using LV2:Instance interface
const meta::port_t *xmeta = (xport != NULL) ? xport->metadata() : NULL;
if (meta::is_path_port(xmeta))
{
pPort = static_cast<lv2::PathPort *>(xport);
pPort->tx_request();
lsp_trace("Connected direct path port id=%s", xmeta->id);
}
}
virtual ~UIPathPort()
{
};
public:
virtual void deserialize(const void *data)
{
// Read path value
const LV2_Atom *atom = reinterpret_cast<const LV2_Atom *>(data);
lv2_set_string(sPath, PATH_MAX, reinterpret_cast<const char *>(atom + 1), atom->size);
// The code below works only when restoring plugin state
lsp_trace("mapPath = %p, path = %s", pExt->mapPath, sPath);
if ((pExt->mapPath != NULL) && (::strstr(sPath, LSP_BUILTIN_PREFIX) != sPath))
{
char *unmapped_path = pExt->mapPath->absolute_path(pExt->mapPath->handle, sPath);
if (unmapped_path != NULL)
{
lsp_trace("unmapped path: %s -> %s", sPath, unmapped_path);
lv2_set_string(sPath, PATH_MAX, unmapped_path, ::strlen(unmapped_path));
::free(unmapped_path);
}
}
}
virtual LV2_URID get_type_urid() const { return pExt->uridPathType; };
virtual void serialize()
{
lsp_trace("mapPath = %p, path = %s", pExt->mapPath, sPath);
if ((pExt->mapPath != NULL) && (::strstr(sPath, LSP_BUILTIN_PREFIX) != sPath))
{
char* mapped_path = pExt->mapPath->abstract_path(pExt->mapPath->handle, sPath);
if (mapped_path != NULL)
{
lsp_trace("mapped path: %s -> %s", sPath, mapped_path);
pExt->forge_path(mapped_path);
::free(mapped_path);
}
else
pExt->forge_path(sPath);
}
else
pExt->forge_path(sPath);
}
virtual void write(const void* buffer, size_t size, size_t flags)
{
lv2_set_string(sPath, PATH_MAX, reinterpret_cast<const char *>(buffer), size);
// Try to perform direct access to the port using LV2:Instance interface
lsp_trace(
"writing patch event id=%s, path=%s (%d)",
pMetadata->id, static_cast<const char *>(buffer), int(size));
pExt->ui_write_patch(this);
}
virtual void write(const void* buffer, size_t size)
{
write(buffer, size, 0);
}
virtual bool sync()
{
if (!pPort->tx_pending())
return false;
pPort->reset_tx_pending();
plug::path_t *path = static_cast<plug::path_t *>(pPort->buffer());
::strncpy(sPath, path->path(), PATH_MAX-1); // Copy current contents
sPath[PATH_MAX-1] = '\0';
lsp_trace("Directly received path port id=%s, path=%s",
pPort->metadata()->id, sPath);
return true;
}
virtual void *buffer()
{
return sPath;
}
virtual void set_default()
{
write("", 0, plug::PF_PRESET_IMPORT);
}
};
} /* namespace lv2 */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_PLUG_FW_WRAP_LV2_UI_PORTS_H_ */
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