FFmpeg
h264dsp_init.c
Go to the documentation of this file.
1 /*
2  * Copyright © 2024 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 "config.h"
22 
23 #include <stdint.h>
24 
25 #include "libavutil/attributes.h"
26 #include "libavutil/cpu.h"
27 #include "libavcodec/h264dsp.h"
28 
29 extern int ff_startcode_find_candidate_rvb(const uint8_t *, int);
30 extern int ff_startcode_find_candidate_rvv(const uint8_t *, int);
31 
33  const int chroma_format_idc)
34 {
35 #if HAVE_RV
36  int flags = av_get_cpu_flags();
37 
40 # if HAVE_RVV
43 # endif
44 #endif
45 }
AV_CPU_FLAG_RVB_BASIC
#define AV_CPU_FLAG_RVB_BASIC
Basic bit-manipulations.
Definition: cpu.h:91
ff_h264dsp_init_riscv
av_cold void ff_h264dsp_init_riscv(H264DSPContext *dsp, const int bit_depth, const int chroma_format_idc)
Definition: h264dsp_init.c:32
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:103
bit_depth
static void bit_depth(AudioStatsContext *s, const uint64_t *const mask, uint8_t *depth)
Definition: af_astats.c:246
av_cold
#define av_cold
Definition: attributes.h:90
ff_startcode_find_candidate_rvv
int ff_startcode_find_candidate_rvv(const uint8_t *, int)
H264DSPContext::startcode_find_candidate
int(* startcode_find_candidate)(const uint8_t *buf, int size)
Search buf from the start for up to size bytes.
Definition: h264dsp.h:117
h264dsp.h
H264DSPContext
Context for storing H.264 DSP functions.
Definition: h264dsp.h:42
cpu.h
attributes.h
AV_CPU_FLAG_RVV_I32
#define AV_CPU_FLAG_RVV_I32
Vectors of 8/16/32-bit int's *‍/.
Definition: cpu.h:87
ff_startcode_find_candidate_rvb
int ff_startcode_find_candidate_rvb(const uint8_t *, int)
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:474