/*****************************************************************************
* transform.c: RISC-V V video transforms
*****************************************************************************
* Copyright (C) 2022 Rémi Denis-Courmont
*
* This program 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.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_cpu.h>
#include <vlc_plugin.h>
#include "../../video_chroma/orient.h"
void rvv_hflip_8(void *, ptrdiff_t, const void *, ptrdiff_t, int, int);
void rvv_hflip_16(void *, ptrdiff_t, const void *, ptrdiff_t, int, int);
void rvv_hflip_32(void *, ptrdiff_t, const void *, ptrdiff_t, int, int);
void rvv_hflip_64(void *, ptrdiff_t, const void *, ptrdiff_t, int, int);
void rvv_transpose_8(void *, ptrdiff_t, const void *, ptrdiff_t, int, int);
void rvv_transpose_16(void *, ptrdiff_t, const void *, ptrdiff_t, int, int);
void rvv_transpose_32(void *, ptrdiff_t, const void *, ptrdiff_t, int, int);
void rvv_transpose_64(void *, ptrdiff_t, const void *, ptrdiff_t, int, int);
static void Probe(void *data)
{
if (vlc_CPU_RV_V()) {
struct plane_transforms *const transforms = data;
transforms->hflip[0] = rvv_hflip_8;
transforms->hflip[1] = rvv_hflip_16;
transforms->hflip[2] = rvv_hflip_32;
transforms->hflip[3] = rvv_hflip_64;
transforms->transpose[0] = rvv_transpose_8;
transforms->transpose[1] = rvv_transpose_16;
transforms->transpose[2] = rvv_transpose_32;
transforms->transpose[3] = rvv_transpose_64;
}
}
vlc_module_begin()
set_subcategory(SUBCAT_VIDEO_VFILTER)
set_description("RISC-V V optimisation for video transform")
set_cpu_funcs("video transform", Probe, 10)
vlc_module_end()
¤ Dauer der Verarbeitung: 0.0 Sekunden
(vorverarbeitet am 2026-11-04)
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*© Formatika GbR, Deutschland
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