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/*
* 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 "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavfilter/vf_idetdsp.h"
#if HAVE_X86ASM
/* declares main callable idet_filter_line_sse2() */
#define FUNC_MAIN_DECL(KIND, SPAN) \
int ff_idet_filter_line_##KIND(const uint8_t *a, const uint8_t *b, \
const uint8_t *c, int w); \
static int idet_filter_line_##KIND(const uint8_t *a, const uint8_t *b, \
const uint8_t *c, int w) { \
int sum = 0; \
const int left_over = w & (SPAN - 1); \
w -= left_over; \
if (w > 0) \
sum += ff_idet_filter_line_##KIND(a, b, c, w); \
if (left_over > 0) \
sum += ff_idet_filter_line_c(a + w, b + w, c + w, left_over); \
return sum; \
}
#define FUNC_MAIN_DECL_16bit(KIND, SPAN) \
int ff_idet_filter_line_16bit_##KIND(const uint8_t *a, const uint8_t *b, \
const uint8_t *c, int w); \
static int idet_filter_line_16bit_##KIND(const uint8_t *a, const uint8_t *b, \
const uint8_t *c, int w) { \
int sum = 0; \
const int left_over = w & (SPAN - 1); \
const int w_main = w - left_over; \
const int offset = w_main << 1; \
if (w_main > 0) \
sum += ff_idet_filter_line_16bit_##KIND(a, b, c, w_main); \
if (left_over > 0) { \
sum += ff_idet_filter_line_c_16bit(a + offset, b + offset, c + offset, \
left_over); \
} \
return sum; \
}
FUNC_MAIN_DECL(sse2, 16)
FUNC_MAIN_DECL_16bit(sse2, 8)
FUNC_MAIN_DECL(avx2, 32)
FUNC_MAIN_DECL_16bit(avx2, 16)
FUNC_MAIN_DECL(avx512icl, 64)
FUNC_MAIN_DECL_16bit(avx512icl, 32)
#endif
av_cold void ff_idet_dsp_init_x86(IDETDSPContext *dsp, int depth)
{
#if HAVE_X86ASM
const int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE2(cpu_flags)) {
dsp->filter_line = depth > 8 ? idet_filter_line_16bit_sse2 : idet_filter_line_sse2;
}
if (EXTERNAL_AVX2(cpu_flags)) {
dsp->filter_line = depth > 8 ? idet_filter_line_16bit_avx2 : idet_filter_line_avx2;
}
if (EXTERNAL_AVX512ICL(cpu_flags)) {
dsp->filter_line = depth > 8 ? idet_filter_line_16bit_avx512icl : idet_filter_line_avx512icl;
}
#endif // HAVE_X86ASM
}
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