FFmpeg
fixed_dsp_init.c
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1 /*
2  * Copyright © 2022 Rémi Denis-Courmont.
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <stdint.h>
22 
23 #include "config.h"
24 #include "libavutil/attributes.h"
25 #include "libavutil/cpu.h"
26 #include "libavutil/fixed_dsp.h"
27 
28 void ff_vector_fmul_window_scaled_rvv(int16_t *dst, const int32_t *src0,
29  const int32_t *src1, const int32_t *win,
30  int len, uint8_t bits);
32  const int32_t *src1, const int32_t *win,
33  int len);
34 void ff_vector_fmul_fixed_rvv(int *dst, const int *src0, const int *src1,
35  int len);
36 void ff_vector_fmul_reverse_fixed_rvv(int *dst, const int *src0,
37  const int *src1, int len);
38 void ff_vector_fmul_add_fixed_rvv(int *dst, const int *src0, const int *src1,
39  const int *src2, int len);
40 int ff_scalarproduct_fixed_rvv(const int *v1, const int *v2, int len);
41 void ff_butterflies_fixed_rvv(int *v1, int *v2, int len);
42 
44 {
45 #if HAVE_RVV
46  int flags = av_get_cpu_flags();
47 
49  if (flags & AV_CPU_FLAG_RVV_I64) {
52  }
53 
57 
60 
62  }
63 #endif
64 }
AVFixedDSPContext::butterflies_fixed
void(* butterflies_fixed)(int *restrict v1, int *restrict v2, int len)
Calculate the sum and difference of two vectors of integers.
Definition: fixed_dsp.h:152
src1
const pixel * src1
Definition: h264pred_template.c:421
AVFixedDSPContext
Definition: fixed_dsp.h:55
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:109
win
static float win(SuperEqualizerContext *s, float n, int N)
Definition: af_superequalizer.c:119
AV_CPU_FLAG_RVB
#define AV_CPU_FLAG_RVB
B (bit manipulations)
Definition: cpu.h:102
AVFixedDSPContext::vector_fmul_add
void(* vector_fmul_add)(int *dst, const int *src0, const int *src1, const int *src2, int len)
Calculate the entry wise product of two vectors of integers, add a third vector of integers and store...
Definition: fixed_dsp.h:131
ff_vector_fmul_fixed_rvv
void ff_vector_fmul_fixed_rvv(int *dst, const int *src0, const int *src1, int len)
ff_vector_fmul_add_fixed_rvv
void ff_vector_fmul_add_fixed_rvv(int *dst, const int *src0, const int *src1, const int *src2, int len)
av_cold
#define av_cold
Definition: attributes.h:90
bits
uint8_t bits
Definition: vp3data.h:128
AVFixedDSPContext::scalarproduct_fixed
int(* scalarproduct_fixed)(const int *v1, const int *v2, int len)
Calculate the scalar product of two vectors of integers.
Definition: fixed_dsp.h:143
ff_fixed_dsp_init_riscv
av_cold void ff_fixed_dsp_init_riscv(AVFixedDSPContext *fdsp)
Definition: fixed_dsp_init.c:43
fixed_dsp.h
AVFixedDSPContext::vector_fmul_reverse
void(* vector_fmul_reverse)(int *dst, const int *src0, const int *src1, int len)
Definition: fixed_dsp.h:115
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition: dsp.h:83
cpu.h
AVFixedDSPContext::vector_fmul
void(* vector_fmul)(int *dst, const int *src0, const int *src1, int len)
Fixed-point multiplication that calculates the entry wise product of two vectors of integers and stor...
Definition: fixed_dsp.h:112
attributes.h
ff_scalarproduct_fixed_rvv
int ff_scalarproduct_fixed_rvv(const int *v1, const int *v2, int len)
src2
const pixel * src2
Definition: h264pred_template.c:422
ff_butterflies_fixed_rvv
void ff_butterflies_fixed_rvv(int *v1, int *v2, int len)
AV_CPU_FLAG_RVV_I32
#define AV_CPU_FLAG_RVV_I32
Vectors of 8/16/32-bit int's *‍/.
Definition: cpu.h:92
len
int len
Definition: vorbis_enc_data.h:426
src0
const pixel *const src0
Definition: h264pred_template.c:420
int32_t
int32_t
Definition: audioconvert.c:56
AVFixedDSPContext::vector_fmul_window_scaled
void(* vector_fmul_window_scaled)(int16_t *dst, const int32_t *src0, const int32_t *src1, const int32_t *win, int len, uint8_t bits)
Overlap/add with window function.
Definition: fixed_dsp.h:79
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:482
ff_vector_fmul_window_fixed_rvv
void ff_vector_fmul_window_fixed_rvv(int32_t *dst, const int32_t *src0, const int32_t *src1, const int32_t *win, int len)
AV_CPU_FLAG_RVV_I64
#define AV_CPU_FLAG_RVV_I64
Vectors of 64-bit int's *‍/.
Definition: cpu.h:94
ff_vector_fmul_reverse_fixed_rvv
void ff_vector_fmul_reverse_fixed_rvv(int *dst, const int *src0, const int *src1, int len)
ff_vector_fmul_window_scaled_rvv
void ff_vector_fmul_window_scaled_rvv(int16_t *dst, const int32_t *src0, const int32_t *src1, const int32_t *win, int len, uint8_t bits)
AVFixedDSPContext::vector_fmul_window
void(* vector_fmul_window)(int32_t *dst, const int32_t *src0, const int32_t *src1, const int32_t *win, int len)
Overlap/add with window function.
Definition: fixed_dsp.h:97