From 864f9326fb4d2b9a886cbf4d3277c4787b7f3515 Mon Sep 17 00:00:00 2001 From: James Almer Date: Thu, 16 Oct 2014 22:24:42 -0300 Subject: x86/vf_noise: move asm code to a separate file Reviewed-by: Michael Niedermayer Signed-off-by: James Almer --- libavfilter/vf_noise.h | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 libavfilter/vf_noise.h (limited to 'libavfilter/vf_noise.h') diff --git a/libavfilter/vf_noise.h b/libavfilter/vf_noise.h new file mode 100644 index 0000000000..2207ed961f --- /dev/null +++ b/libavfilter/vf_noise.h @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2002 Michael Niedermayer + * 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 { + 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 { + 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 */ -- cgit v1.2.3