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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: 7 дек. 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_VST2_DEFS_H_
#define LSP_PLUG_IN_PLUG_FW_WRAP_VST2_DEFS_H_
#include <lsp-plug.in/plug-fw/version.h>
#include <lsp-plug.in/common/debug.h>
#include <lsp-plug.in/common/types.h>
#include <lsp-plug.in/plug-fw/meta/types.h>
#include <steinberg/vst2.h>
namespace lsp
{
namespace vst2
{
// This routine should be defined in the linked library
typedef AEffect * (* create_instance_t) (const char *uid, audioMasterCallback callback);
typedef const char * (* get_version_t) ();
#pragma pack(push, 1)
typedef struct state_t
{
uint32_t nItems; // Number of elements
uint8_t vData[]; // Binary data
} state_t;
typedef struct state_buffer_t
{
size_t nDataSize; // Size of variable part in bytes
fxBank sHeader; // Program header
vst2::state_t sState; // VST state
} state_buffer_t;
typedef struct state_header_t
{
VstInt32 nMagic1; // LSP_VST_USER_MAGIC
VstInt32 nSize; // Size of contents, again...
VstInt32 nVersion; // Current format version
VstInt32 nMagic2; // LSP_VST_USER_MAGIC
} state_header_t;
#pragma pack(pop)
#define VST_MAIN_FUNCTION vst_create_instance
#define VST_MAIN_FUNCTION_STR LSP_STRINGIFY(VST_MAIN_FUNCTION)
#define LSP_VST_USER_MAGIC CCONST('L', 'S', 'P', 'U')
#define VST_BANK_HDR_SKIP (2*sizeof(VstInt32))
#define VST_PROGRAM_HDR_SKIP (2*sizeof(VstInt32))
#define VST_BANK_HDR_SIZE (sizeof(fxBank) - VST_BANK_HDR_SKIP)
#define VST_PROGRAM_HDR_SIZE (sizeof(fxProgram) - VST_PROGRAM_HDR_SKIP)
#define VST_STATE_BUFFER_SIZE (VST_BANK_HDR_SIZE + sizeof(vst2::state_t))
enum serial_types_t
{
TYPE_INT32 = 'i',
TYPE_UINT32 = 'u',
TYPE_INT64 = 'I',
TYPE_UINT64 = 'U',
TYPE_FLOAT32 = 'f',
TYPE_FLOAT64 = 'F',
TYPE_STRING = 's',
TYPE_BLOB = 'B'
};
enum serial_flags_t
{
FLAG_PRIVATE = 1 << 0
};
#define VST_FX_VERSION_KVT_SUPPORT 2000
#define VST_FX_VERSION_JUCE_FIX 3000
inline VstInt32 cconst(const char *vst_id)
{
if (vst_id == NULL)
{
lsp_error("Not defined cconst");
return 0;
}
if (strlen(vst_id) != 4)
{
lsp_error("Invalid cconst: %s", vst_id);
return 0;
}
return CCONST(vst_id[0], vst_id[1], vst_id[2], vst_id[3]);
}
inline char *cconst_to_str(char *buf, VstInt32 cconst)
{
buf[0] = char(cconst >> 24);
buf[1] = char(cconst >> 16);
buf[2] = char(cconst >> 8);
buf[3] = char(cconst);
buf[4] = '\0';
return buf;
}
inline VstInt32 version(const meta::module_version_t & lsp_version)
{
size_t major = LSP_MODULE_VERSION_MAJOR(lsp_version);
size_t minor = LSP_MODULE_VERSION_MINOR(lsp_version);
size_t micro = LSP_MODULE_VERSION_MICRO(lsp_version);
// Limit version elemnts for VST
if (minor > VST_VERSION_MINOR_MAX)
minor = VST_VERSION_MINOR_MAX;
if (micro > VST_VERSION_MICRO_MAX)
micro = VST_VERSION_MICRO_MAX;
// The VST versioning is too dumb, make micro version extended
return (major * 1000) + (minor * 100) + micro;
}
inline void dump_vst_bank(const void *bank, size_t ck_size)
{
IF_TRACE(
lsp_dumpb("Chunk dump:", bank, ck_size)
);
}
} /* namespace vst2 */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_PLUG_FW_WRAP_VST2_DEFS_H_ */
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