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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-lib
* Created on: 31 мар. 2020 г.
*
* lsp-dsp-lib 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-dsp-lib 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-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_DSP_COMMON_CONTEXT_H_
#define LSP_PLUG_IN_DSP_COMMON_CONTEXT_H_
#include <lsp-plug.in/dsp/common/types.h>
#ifdef __cplusplus
namespace lsp
{
namespace dsp
{
#endif /* __cplusplus */
#pragma pack(push, 1)
/**
* DSP context to store and restore machine state
*/
typedef struct LSP_DSP_LIB_TYPE(context_t)
{
uint32_t top;
uint32_t data[15];
} LSP_DSP_LIB_TYPE(context_t);
#pragma pack(pop)
typedef struct LSP_DSP_LIB_TYPE(info_t)
{
const char *arch; /* Architecture information */
const char *cpu; /* CPU information */
const char *model; /* CPU model information */
const char *features; /* CPU features */
} LSP_DSP_LIB_TYPE(info_t);
// Start and finish types
typedef void (* LSP_DSP_LIB_TYPE(start_t))(LSP_DSP_LIB_TYPE(context_t) *ctx);
typedef void (* LSP_DSP_LIB_TYPE(finish_t))(LSP_DSP_LIB_TYPE(context_t) *ctx);
#ifdef __cplusplus
}
}
#endif /* __cplusplus */
#ifdef __cplusplus
namespace lsp
{
namespace dsp
{
/** Initialize DSP
*
*/
LSP_DSP_LIB_PUBLIC
void init();
}
}
#else
/** Initialize DSP
*
*/
LSP_DSP_LIB_PUBLIC
void LSP_DSP_LIB_MANGLE(init());
#endif /* __cplusplus */
/** Start DSP processing, save machine context
*
* @param ctx structure to save context
*/
LSP_DSP_LIB_SYMBOL(void, start, LSP_DSP_LIB_TYPE(context_t) *ctx);
/** Finish DSP processing, restore machine context
*
* @param ctx structure to restore context
*/
LSP_DSP_LIB_SYMBOL(void, finish, LSP_DSP_LIB_TYPE(context_t) *ctx);
/**
* Get DSP information, returns pointer to dsp::info_t structure
* that can be freed by free()
* @return pointer to dsp::info_t structure
*/
LSP_DSP_LIB_SYMBOL(LSP_DSP_LIB_TYPE(info_t) *, info, );
#endif /* LSP_PLUG_IN_DSP_COMMON_CONTEXT_H_ */
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