ffmpeg-cuda / libavutil /riscv /float_dsp_init.c

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8ead80b about 3 years ago

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/*
 * Copyright © 2022 Rémi Denis-Courmont.
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg 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 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg 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 FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <stdint.h>

#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/float_dsp.h"

void ff_vector_fmul_rvv(float *dst, const float *src0, const float *src1,
                         int len);
void ff_vector_fmac_scalar_rvv(float *dst, const float *src, float mul,
                                int len);
void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul,
                                int len);
void ff_vector_fmul_window_rvv(float *dst, const float *src0,
                                const float *src1, const float *win, int len);
void ff_vector_fmul_add_rvv(float *dst, const float *src0, const float *src1,
                             const float *src2, int len);
void ff_vector_fmul_reverse_rvv(float *dst, const float *src0,
                                 const float *src1, int len);
void ff_butterflies_float_rvv(float *v1, float *v2, int len);
float ff_scalarproduct_float_rvv(const float *v1, const float *v2, int len);

void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1,
                         int len);
void ff_vector_dmac_scalar_rvv(double *dst, const double *src, double mul,
                                int len);
void ff_vector_dmul_scalar_rvv(double *dst, const double *src, double mul,
                                int len);

av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp)
{
#if HAVE_RVV
    int flags = av_get_cpu_flags();

    if (flags & AV_CPU_FLAG_RVB_ADDR) {
        if (flags & AV_CPU_FLAG_RVV_F32) {
            fdsp->vector_fmul = ff_vector_fmul_rvv;
            fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_rvv;
            fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv;
            fdsp->vector_fmul_window = ff_vector_fmul_window_rvv;
            fdsp->vector_fmul_add = ff_vector_fmul_add_rvv;
            fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_rvv;
            fdsp->butterflies_float = ff_butterflies_float_rvv;
            fdsp->scalarproduct_float = ff_scalarproduct_float_rvv;
        }

        if (flags & AV_CPU_FLAG_RVV_F64) {
            fdsp->vector_dmul = ff_vector_dmul_rvv;
            fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_rvv;
            fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv;
        }
    }
#endif
}

	/*
	* Copyright © 2022 Rémi Denis-Courmont.
	*
	* This file is part of FFmpeg.
	*
	* FFmpeg 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 2.1 of the License, or (at your option) any later version.
	*
	* FFmpeg 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 FFmpeg; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	*/

	#include <stdint.h>

	#include "config.h"
	#include "libavutil/attributes.h"
	#include "libavutil/cpu.h"
	#include "libavutil/float_dsp.h"

	void ff_vector_fmul_rvv(float dst, const float src0, const float *src1,
	int len);
	void ff_vector_fmac_scalar_rvv(float dst, const float src, float mul,
	int len);
	void ff_vector_fmul_scalar_rvv(float dst, const float src, float mul,
	int len);
	void ff_vector_fmul_window_rvv(float dst, const float src0,
	const float src1, const float win, int len);
	void ff_vector_fmul_add_rvv(float dst, const float src0, const float *src1,
	const float *src2, int len);
	void ff_vector_fmul_reverse_rvv(float dst, const float src0,
	const float *src1, int len);
	void ff_butterflies_float_rvv(float v1, float v2, int len);
	float ff_scalarproduct_float_rvv(const float v1, const float v2, int len);

	void ff_vector_dmul_rvv(double dst, const double src0, const double *src1,
	int len);
	void ff_vector_dmac_scalar_rvv(double dst, const double src, double mul,
	int len);
	void ff_vector_dmul_scalar_rvv(double dst, const double src, double mul,
	int len);

	av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp)
	{
	#if HAVE_RVV
	int flags = av_get_cpu_flags();

	if (flags & AV_CPU_FLAG_RVB_ADDR) {
	if (flags & AV_CPU_FLAG_RVV_F32) {
	fdsp->vector_fmul = ff_vector_fmul_rvv;
	fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_rvv;
	fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv;
	fdsp->vector_fmul_window = ff_vector_fmul_window_rvv;
	fdsp->vector_fmul_add = ff_vector_fmul_add_rvv;
	fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_rvv;
	fdsp->butterflies_float = ff_butterflies_float_rvv;
	fdsp->scalarproduct_float = ff_scalarproduct_float_rvv;
	}

	if (flags & AV_CPU_FLAG_RVV_F64) {
	fdsp->vector_dmul = ff_vector_dmul_rvv;
	fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_rvv;
	fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv;
	}
	}
	#endif
	}