Files
ffmpeg-patched/libavfilter/vf_noise.h
T
gx dcecd42de4 FFmpeg 7.1 + cuframes input demuxer
Snapshot FFmpeg n7.1 (release tag) с применённым patch'ем для cuframes
input format. Используется как FFMPEG_REPO_OVERRIDE в NickM-27/FFmpeg-Builds
fork для статической сборки patched binary под Frigate (Debian 12 / glibc 2.36).

Apply changes:
  + libavformat/cuframesdec.c (новый — реализация демуксера)
  M libavformat/Makefile (CONFIG_CUFRAMES_DEMUXER target)
  M libavformat/allformats.c (extern declaration)
  M configure (--enable-libcuframes option + dep check)

Patch source: https://git.goldix.org/gx/cuframes (filter/ffmpeg-7.1-cuframes-demuxer.patch)

History сброшена (snapshot вместо fork) потому что upstream shallow clone
не позволял push в gitea. Полная история FFmpeg — на github.com/FFmpeg/FFmpeg n7.1.
2026-05-17 11:43:10 +01:00

65 lines
2.0 KiB
C

/*
* Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2013 Paul B Mahol
*
* 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
*/
#ifndef AVFILTER_NOISE_H
#define AVFILTER_NOISE_H
#include "libavutil/lfg.h"
#include "avfilter.h"
#define MAX_NOISE 5120
#define MAX_SHIFT 1024
#define MAX_RES (MAX_NOISE-MAX_SHIFT)
#define NOISE_UNIFORM 1
#define NOISE_TEMPORAL 2
#define NOISE_AVERAGED 8
#define NOISE_PATTERN 16
typedef struct FilterParams {
int strength;
unsigned flags;
AVLFG lfg;
int seed;
int8_t *noise;
int8_t *prev_shift[MAX_RES][3];
int rand_shift[MAX_RES];
int rand_shift_init;
} FilterParams;
typedef struct NoiseContext {
const AVClass *class;
int nb_planes;
int bytewidth[4];
int height[4];
FilterParams all;
FilterParams param[4];
void (*line_noise)(uint8_t *dst, const uint8_t *src, const int8_t *noise, int len, int shift);
void (*line_noise_avg)(uint8_t *dst, const uint8_t *src, int len, const int8_t * const *shift);
} NoiseContext;
void ff_line_noise_c(uint8_t *dst, const uint8_t *src, const int8_t *noise, int len, int shift);
void ff_line_noise_avg_c(uint8_t *dst, const uint8_t *src, int len, const int8_t * const *shift);
void ff_noise_init_x86(NoiseContext *n);
#endif /* AVFILTER_NOISE_H */