1128 lines
		
	
	
		
			52 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			1128 lines
		
	
	
		
			52 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * Copyright (c) 2015 Paul B Mahol
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 * Copyright (c) 2022 Victoria Zhislina, Intel
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 *
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 * This file is part of FFmpeg.
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						|
 *
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						|
 * FFmpeg is free software; you can redistribute it and/or
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						|
 * modify it under the terms of the GNU Lesser General Public
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						|
 * License as published by the Free Software Foundation; either
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						|
 * version 2.1 of the License, or (at your option) any later version.
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 *
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 * FFmpeg is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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						|
 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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						|
 * License along with FFmpeg; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 */
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/**
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						|
 * @file
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 * zscale video filter using z.lib library
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 */
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#include <float.h>
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						|
#include <stdio.h>
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						|
#include <string.h>
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 | 
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#include <zimg.h>
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 | 
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#include "avfilter.h"
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#include "formats.h"
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#include "internal.h"
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#include "video.h"
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#include "libavutil/avstring.h"
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#include "libavutil/eval.h"
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#include "libavutil/internal.h"
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						|
#include "libavutil/intreadwrite.h"
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						|
#include "libavutil/mathematics.h"
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						|
#include "libavutil/opt.h"
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						|
#include "libavutil/parseutils.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/imgutils.h"
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 | 
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#define ZIMG_ALIGNMENT 64
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#define MIN_TILESIZE 64
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#define MAX_THREADS 64
 | 
						|
 | 
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static const char *const var_names[] = {
 | 
						|
    "in_w",   "iw",
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						|
    "in_h",   "ih",
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						|
    "out_w",  "ow",
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						|
    "out_h",  "oh",
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						|
    "a",
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    "sar",
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						|
    "dar",
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						|
    "hsub",
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    "vsub",
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						|
    "ohsub",
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						|
    "ovsub",
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						|
    NULL
 | 
						|
};
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 | 
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enum var_name {
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						|
    VAR_IN_W,   VAR_IW,
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    VAR_IN_H,   VAR_IH,
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    VAR_OUT_W,  VAR_OW,
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    VAR_OUT_H,  VAR_OH,
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    VAR_A,
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    VAR_SAR,
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    VAR_DAR,
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    VAR_HSUB,
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    VAR_VSUB,
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    VAR_OHSUB,
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    VAR_OVSUB,
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    VARS_NB
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						|
};
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 | 
						|
typedef struct ZScaleContext {
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    const AVClass *class;
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						|
 | 
						|
    /**
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						|
     * New dimensions. Special values are:
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						|
     *   0 = original width/height
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						|
     *  -1 = keep original aspect
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						|
     *  -N = try to keep aspect but make sure it is divisible by N
 | 
						|
     */
 | 
						|
    int w, h;
 | 
						|
    int dither;
 | 
						|
    int filter;
 | 
						|
    int colorspace;
 | 
						|
    int trc;
 | 
						|
    int primaries;
 | 
						|
    int range;
 | 
						|
    int chromal;
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						|
    int colorspace_in;
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						|
    int trc_in;
 | 
						|
    int primaries_in;
 | 
						|
    int range_in;
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						|
    int chromal_in;
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						|
    char *size_str;
 | 
						|
    double nominal_peak_luminance;
 | 
						|
    int approximate_gamma;
 | 
						|
    double param_a;
 | 
						|
    double param_b;
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						|
 | 
						|
    char *w_expr;               ///< width  expression string
 | 
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    char *h_expr;               ///< height expression string
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						|
 | 
						|
    int out_h_chr_pos;
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    int out_v_chr_pos;
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						|
    int in_h_chr_pos;
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						|
    int in_v_chr_pos;
 | 
						|
 | 
						|
    int first_time;
 | 
						|
    int force_original_aspect_ratio;
 | 
						|
 | 
						|
    void *tmp[MAX_THREADS]; //separate for each thread;
 | 
						|
    int nb_threads;
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						|
    int jobs_ret[MAX_THREADS];
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						|
    double in_slice_start[MAX_THREADS];
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						|
    double in_slice_end[MAX_THREADS];
 | 
						|
    int out_slice_start[MAX_THREADS];
 | 
						|
    int out_slice_end[MAX_THREADS];
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						|
 | 
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    zimg_image_format src_format, dst_format;
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						|
    zimg_image_format alpha_src_format, alpha_dst_format;
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						|
    zimg_image_format src_format_tmp, dst_format_tmp;
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						|
    zimg_image_format alpha_src_format_tmp, alpha_dst_format_tmp;
 | 
						|
    zimg_graph_builder_params alpha_params, params;
 | 
						|
    zimg_graph_builder_params alpha_params_tmp, params_tmp;
 | 
						|
    zimg_filter_graph *alpha_graph[MAX_THREADS], *graph[MAX_THREADS];
 | 
						|
 | 
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    enum AVColorSpace in_colorspace, out_colorspace;
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						|
    enum AVColorTransferCharacteristic in_trc, out_trc;
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						|
    enum AVColorPrimaries in_primaries, out_primaries;
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						|
    enum AVColorRange in_range, out_range;
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						|
    enum AVChromaLocation in_chromal, out_chromal;
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} ZScaleContext;
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 | 
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typedef struct ThreadData {
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    const AVPixFmtDescriptor *desc, *odesc;
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						|
    AVFrame *in, *out;
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						|
} ThreadData;
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static av_cold int init(AVFilterContext *ctx)
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{
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    ZScaleContext *s = ctx->priv;
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    int ret;
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    zimg_image_format_default(&s->src_format, ZIMG_API_VERSION);
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						|
    zimg_image_format_default(&s->dst_format, ZIMG_API_VERSION);
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    zimg_image_format_default(&s->src_format_tmp, ZIMG_API_VERSION);
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    zimg_image_format_default(&s->dst_format_tmp, ZIMG_API_VERSION);
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    zimg_image_format_default(&s->alpha_src_format, ZIMG_API_VERSION);
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    zimg_image_format_default(&s->alpha_dst_format, ZIMG_API_VERSION);
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    zimg_image_format_default(&s->alpha_src_format_tmp, ZIMG_API_VERSION);
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						|
    zimg_image_format_default(&s->alpha_dst_format_tmp, ZIMG_API_VERSION);
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						|
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    zimg_graph_builder_params_default(&s->params, ZIMG_API_VERSION);
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    zimg_graph_builder_params_default(&s->params_tmp, ZIMG_API_VERSION);
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						|
    zimg_graph_builder_params_default(&s->alpha_params, ZIMG_API_VERSION);
 | 
						|
    zimg_graph_builder_params_default(&s->alpha_params_tmp, ZIMG_API_VERSION);
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						|
 | 
						|
    if (s->size_str && (s->w_expr || s->h_expr)) {
 | 
						|
        av_log(ctx, AV_LOG_ERROR,
 | 
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               "Size and width/height expressions cannot be set at the same time.\n");
 | 
						|
            return AVERROR(EINVAL);
 | 
						|
    }
 | 
						|
 | 
						|
    if (s->w_expr && !s->h_expr)
 | 
						|
        FFSWAP(char *, s->w_expr, s->size_str);
 | 
						|
 | 
						|
    if (s->size_str) {
 | 
						|
        char buf[32];
 | 
						|
        if ((ret = av_parse_video_size(&s->w, &s->h, s->size_str)) < 0) {
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            av_log(ctx, AV_LOG_ERROR,
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						|
                   "Invalid size '%s'\n", s->size_str);
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						|
            return ret;
 | 
						|
        }
 | 
						|
        snprintf(buf, sizeof(buf)-1, "%d", s->w);
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						|
        av_opt_set(s, "w", buf, 0);
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						|
        snprintf(buf, sizeof(buf)-1, "%d", s->h);
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        av_opt_set(s, "h", buf, 0);
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    }
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						|
    if (!s->w_expr)
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        av_opt_set(s, "w", "iw", 0);
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    if (!s->h_expr)
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        av_opt_set(s, "h", "ih", 0);
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    return 0;
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						|
}
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 | 
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static int query_formats(AVFilterContext *ctx)
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{
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						|
    static const enum AVPixelFormat pixel_fmts[] = {
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        AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
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        AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
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        AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
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        AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
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        AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
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        AV_PIX_FMT_YUVJ411P,
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        AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
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        AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
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        AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
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        AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
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        AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
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        AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
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        AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
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        AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
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        AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
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						|
        AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
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        AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
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        AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP16,
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        AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32,
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						|
        AV_PIX_FMT_NONE
 | 
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    };
 | 
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    int ret;
 | 
						|
 | 
						|
    ret = ff_formats_ref(ff_make_format_list(pixel_fmts), &ctx->inputs[0]->outcfg.formats);
 | 
						|
    if (ret < 0)
 | 
						|
        return ret;
 | 
						|
    return ff_formats_ref(ff_make_format_list(pixel_fmts), &ctx->outputs[0]->incfg.formats);
 | 
						|
}
 | 
						|
 | 
						|
static void slice_params(ZScaleContext *s, int out_h, int in_h)
 | 
						|
{
 | 
						|
    s->out_slice_start[0] = 0;
 | 
						|
    for (int i = 1; i < s->nb_threads; i++) {
 | 
						|
        int slice_end = out_h * i / s->nb_threads;
 | 
						|
        s->out_slice_end[i - 1] = s->out_slice_start[i] = FFALIGN(slice_end, 2);
 | 
						|
    }
 | 
						|
    s->out_slice_end[s->nb_threads - 1] = out_h;
 | 
						|
 | 
						|
    for (int i = 0; i < s->nb_threads; i++) {
 | 
						|
        s->in_slice_start[i] = s->out_slice_start[i] * in_h / (double)out_h;
 | 
						|
        s->in_slice_end[i]   = s->out_slice_end[i]   * in_h / (double)out_h;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static int config_props(AVFilterLink *outlink)
 | 
						|
{
 | 
						|
    AVFilterContext *ctx = outlink->src;
 | 
						|
    AVFilterLink *inlink = outlink->src->inputs[0];
 | 
						|
    ZScaleContext *s = ctx->priv;
 | 
						|
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
 | 
						|
    const AVPixFmtDescriptor *out_desc = av_pix_fmt_desc_get(outlink->format);
 | 
						|
    int64_t w, h;
 | 
						|
    double var_values[VARS_NB], res;
 | 
						|
    char *expr;
 | 
						|
    int ret;
 | 
						|
    int factor_w, factor_h;
 | 
						|
 | 
						|
    var_values[VAR_IN_W]  = var_values[VAR_IW] = inlink->w;
 | 
						|
    var_values[VAR_IN_H]  = var_values[VAR_IH] = inlink->h;
 | 
						|
    var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
 | 
						|
    var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
 | 
						|
    var_values[VAR_A]     = (double) inlink->w / inlink->h;
 | 
						|
    var_values[VAR_SAR]   = inlink->sample_aspect_ratio.num ?
 | 
						|
        (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
 | 
						|
    var_values[VAR_DAR]   = var_values[VAR_A] * var_values[VAR_SAR];
 | 
						|
    var_values[VAR_HSUB]  = 1 << desc->log2_chroma_w;
 | 
						|
    var_values[VAR_VSUB]  = 1 << desc->log2_chroma_h;
 | 
						|
    var_values[VAR_OHSUB] = 1 << out_desc->log2_chroma_w;
 | 
						|
    var_values[VAR_OVSUB] = 1 << out_desc->log2_chroma_h;
 | 
						|
 | 
						|
    /* evaluate width and height */
 | 
						|
    av_expr_parse_and_eval(&res, (expr = s->w_expr),
 | 
						|
                           var_names, var_values,
 | 
						|
                           NULL, NULL, NULL, NULL, NULL, 0, ctx);
 | 
						|
    s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
 | 
						|
    if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
 | 
						|
                                      var_names, var_values,
 | 
						|
                                      NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
 | 
						|
        goto fail;
 | 
						|
    s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
 | 
						|
    /* evaluate again the width, as it may depend on the output height */
 | 
						|
    if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
 | 
						|
                                      var_names, var_values,
 | 
						|
                                      NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
 | 
						|
        goto fail;
 | 
						|
    s->w = res;
 | 
						|
 | 
						|
    w = s->w;
 | 
						|
    h = s->h;
 | 
						|
 | 
						|
    /* Check if it is requested that the result has to be divisible by a some
 | 
						|
     * factor (w or h = -n with n being the factor). */
 | 
						|
    factor_w = 1;
 | 
						|
    factor_h = 1;
 | 
						|
    if (w < -1) {
 | 
						|
        factor_w = -w;
 | 
						|
    }
 | 
						|
    if (h < -1) {
 | 
						|
        factor_h = -h;
 | 
						|
    }
 | 
						|
 | 
						|
    if (w < 0 && h < 0)
 | 
						|
        s->w = s->h = 0;
 | 
						|
 | 
						|
    if (!(w = s->w))
 | 
						|
        w = inlink->w;
 | 
						|
    if (!(h = s->h))
 | 
						|
        h = inlink->h;
 | 
						|
 | 
						|
    /* Make sure that the result is divisible by the factor we determined
 | 
						|
     * earlier. If no factor was set, it is nothing will happen as the default
 | 
						|
     * factor is 1 */
 | 
						|
    if (w < 0)
 | 
						|
        w = av_rescale(h, inlink->w, inlink->h * factor_w) * factor_w;
 | 
						|
    if (h < 0)
 | 
						|
        h = av_rescale(w, inlink->h, inlink->w * factor_h) * factor_h;
 | 
						|
 | 
						|
    /* Note that force_original_aspect_ratio may overwrite the previous set
 | 
						|
     * dimensions so that it is not divisible by the set factors anymore. */
 | 
						|
    if (s->force_original_aspect_ratio) {
 | 
						|
        int tmp_w = av_rescale(h, inlink->w, inlink->h);
 | 
						|
        int tmp_h = av_rescale(w, inlink->h, inlink->w);
 | 
						|
 | 
						|
        if (s->force_original_aspect_ratio == 1) {
 | 
						|
             w = FFMIN(tmp_w, w);
 | 
						|
             h = FFMIN(tmp_h, h);
 | 
						|
        } else {
 | 
						|
             w = FFMAX(tmp_w, w);
 | 
						|
             h = FFMAX(tmp_h, h);
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    if (w > INT_MAX || h > INT_MAX ||
 | 
						|
        (h * inlink->w) > INT_MAX  ||
 | 
						|
        (w * inlink->h) > INT_MAX)
 | 
						|
        av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
 | 
						|
 | 
						|
    outlink->w = w;
 | 
						|
    outlink->h = h;
 | 
						|
 | 
						|
    s->first_time = 1;
 | 
						|
 | 
						|
    if (inlink->sample_aspect_ratio.num){
 | 
						|
        outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * inlink->w, outlink->w * inlink->h}, inlink->sample_aspect_ratio);
 | 
						|
    } else
 | 
						|
        outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
 | 
						|
 | 
						|
    av_log(ctx, AV_LOG_TRACE, "w:%d h:%d fmt:%s sar:%d/%d -> w:%d h:%d fmt:%s sar:%d/%d\n",
 | 
						|
           inlink ->w, inlink ->h, av_get_pix_fmt_name( inlink->format),
 | 
						|
           inlink->sample_aspect_ratio.num, inlink->sample_aspect_ratio.den,
 | 
						|
           outlink->w, outlink->h, av_get_pix_fmt_name(outlink->format),
 | 
						|
           outlink->sample_aspect_ratio.num, outlink->sample_aspect_ratio.den);
 | 
						|
    return 0;
 | 
						|
 | 
						|
fail:
 | 
						|
    av_log(ctx, AV_LOG_ERROR,
 | 
						|
           "Error when evaluating the expression '%s'.\n"
 | 
						|
           "Maybe the expression for out_w:'%s' or for out_h:'%s' is self-referencing.\n",
 | 
						|
           expr, s->w_expr, s->h_expr);
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
static int print_zimg_error(AVFilterContext *ctx)
 | 
						|
{
 | 
						|
    char err_msg[1024];
 | 
						|
    int err_code = zimg_get_last_error(err_msg, sizeof(err_msg));
 | 
						|
 | 
						|
    av_log(ctx, AV_LOG_ERROR, "code %d: %s\n", err_code, err_msg);
 | 
						|
 | 
						|
    return AVERROR_EXTERNAL;
 | 
						|
}
 | 
						|
 | 
						|
static int convert_chroma_location(enum AVChromaLocation chroma_location)
 | 
						|
{
 | 
						|
    switch (chroma_location) {
 | 
						|
    case AVCHROMA_LOC_UNSPECIFIED:
 | 
						|
    case AVCHROMA_LOC_LEFT:
 | 
						|
        return ZIMG_CHROMA_LEFT;
 | 
						|
    case AVCHROMA_LOC_CENTER:
 | 
						|
        return ZIMG_CHROMA_CENTER;
 | 
						|
    case AVCHROMA_LOC_TOPLEFT:
 | 
						|
        return ZIMG_CHROMA_TOP_LEFT;
 | 
						|
    case AVCHROMA_LOC_TOP:
 | 
						|
        return ZIMG_CHROMA_TOP;
 | 
						|
    case AVCHROMA_LOC_BOTTOMLEFT:
 | 
						|
        return ZIMG_CHROMA_BOTTOM_LEFT;
 | 
						|
    case AVCHROMA_LOC_BOTTOM:
 | 
						|
        return ZIMG_CHROMA_BOTTOM;
 | 
						|
    }
 | 
						|
    return ZIMG_CHROMA_LEFT;
 | 
						|
}
 | 
						|
 | 
						|
static int convert_matrix(enum AVColorSpace colorspace)
 | 
						|
{
 | 
						|
    switch (colorspace) {
 | 
						|
    case AVCOL_SPC_RGB:
 | 
						|
        return ZIMG_MATRIX_RGB;
 | 
						|
    case AVCOL_SPC_BT709:
 | 
						|
        return ZIMG_MATRIX_709;
 | 
						|
    case AVCOL_SPC_UNSPECIFIED:
 | 
						|
        return ZIMG_MATRIX_UNSPECIFIED;
 | 
						|
    case AVCOL_SPC_FCC:
 | 
						|
        return ZIMG_MATRIX_FCC;
 | 
						|
    case AVCOL_SPC_BT470BG:
 | 
						|
        return ZIMG_MATRIX_470BG;
 | 
						|
    case AVCOL_SPC_SMPTE170M:
 | 
						|
        return ZIMG_MATRIX_170M;
 | 
						|
    case AVCOL_SPC_SMPTE240M:
 | 
						|
        return ZIMG_MATRIX_240M;
 | 
						|
    case AVCOL_SPC_YCGCO:
 | 
						|
        return ZIMG_MATRIX_YCGCO;
 | 
						|
    case AVCOL_SPC_BT2020_NCL:
 | 
						|
        return ZIMG_MATRIX_2020_NCL;
 | 
						|
    case AVCOL_SPC_BT2020_CL:
 | 
						|
        return ZIMG_MATRIX_2020_CL;
 | 
						|
    case AVCOL_SPC_CHROMA_DERIVED_NCL:
 | 
						|
        return ZIMG_MATRIX_CHROMATICITY_DERIVED_NCL;
 | 
						|
    case AVCOL_SPC_CHROMA_DERIVED_CL:
 | 
						|
        return ZIMG_MATRIX_CHROMATICITY_DERIVED_CL;
 | 
						|
    case AVCOL_SPC_ICTCP:
 | 
						|
        return ZIMG_MATRIX_ICTCP;
 | 
						|
    }
 | 
						|
    return ZIMG_MATRIX_UNSPECIFIED;
 | 
						|
}
 | 
						|
 | 
						|
static int convert_trc(enum AVColorTransferCharacteristic color_trc)
 | 
						|
{
 | 
						|
    switch (color_trc) {
 | 
						|
    case AVCOL_TRC_UNSPECIFIED:
 | 
						|
        return ZIMG_TRANSFER_UNSPECIFIED;
 | 
						|
    case AVCOL_TRC_BT709:
 | 
						|
        return ZIMG_TRANSFER_709;
 | 
						|
    case AVCOL_TRC_GAMMA22:
 | 
						|
        return ZIMG_TRANSFER_470_M;
 | 
						|
    case AVCOL_TRC_GAMMA28:
 | 
						|
        return ZIMG_TRANSFER_470_BG;
 | 
						|
    case AVCOL_TRC_SMPTE170M:
 | 
						|
        return ZIMG_TRANSFER_601;
 | 
						|
    case AVCOL_TRC_SMPTE240M:
 | 
						|
        return ZIMG_TRANSFER_240M;
 | 
						|
    case AVCOL_TRC_LINEAR:
 | 
						|
        return ZIMG_TRANSFER_LINEAR;
 | 
						|
    case AVCOL_TRC_LOG:
 | 
						|
        return ZIMG_TRANSFER_LOG_100;
 | 
						|
    case AVCOL_TRC_LOG_SQRT:
 | 
						|
        return ZIMG_TRANSFER_LOG_316;
 | 
						|
    case AVCOL_TRC_IEC61966_2_4:
 | 
						|
        return ZIMG_TRANSFER_IEC_61966_2_4;
 | 
						|
    case AVCOL_TRC_BT2020_10:
 | 
						|
        return ZIMG_TRANSFER_2020_10;
 | 
						|
    case AVCOL_TRC_BT2020_12:
 | 
						|
        return ZIMG_TRANSFER_2020_12;
 | 
						|
    case AVCOL_TRC_SMPTE2084:
 | 
						|
        return ZIMG_TRANSFER_ST2084;
 | 
						|
    case AVCOL_TRC_ARIB_STD_B67:
 | 
						|
        return ZIMG_TRANSFER_ARIB_B67;
 | 
						|
    case AVCOL_TRC_IEC61966_2_1:
 | 
						|
        return ZIMG_TRANSFER_IEC_61966_2_1;
 | 
						|
    }
 | 
						|
    return ZIMG_TRANSFER_UNSPECIFIED;
 | 
						|
}
 | 
						|
 | 
						|
static int convert_primaries(enum AVColorPrimaries color_primaries)
 | 
						|
{
 | 
						|
    switch (color_primaries) {
 | 
						|
    case AVCOL_PRI_UNSPECIFIED:
 | 
						|
        return ZIMG_PRIMARIES_UNSPECIFIED;
 | 
						|
    case AVCOL_PRI_BT709:
 | 
						|
        return ZIMG_PRIMARIES_709;
 | 
						|
    case AVCOL_PRI_BT470M:
 | 
						|
        return ZIMG_PRIMARIES_470_M;
 | 
						|
    case AVCOL_PRI_BT470BG:
 | 
						|
        return ZIMG_PRIMARIES_470_BG;
 | 
						|
    case AVCOL_PRI_SMPTE170M:
 | 
						|
        return ZIMG_PRIMARIES_170M;
 | 
						|
    case AVCOL_PRI_SMPTE240M:
 | 
						|
        return ZIMG_PRIMARIES_240M;
 | 
						|
    case AVCOL_PRI_FILM:
 | 
						|
        return ZIMG_PRIMARIES_FILM;
 | 
						|
    case AVCOL_PRI_BT2020:
 | 
						|
        return ZIMG_PRIMARIES_2020;
 | 
						|
    case AVCOL_PRI_SMPTE428:
 | 
						|
        return ZIMG_PRIMARIES_ST428;
 | 
						|
    case AVCOL_PRI_SMPTE431:
 | 
						|
        return ZIMG_PRIMARIES_ST431_2;
 | 
						|
    case AVCOL_PRI_SMPTE432:
 | 
						|
        return ZIMG_PRIMARIES_ST432_1;
 | 
						|
    case AVCOL_PRI_JEDEC_P22:
 | 
						|
        return ZIMG_PRIMARIES_EBU3213_E;
 | 
						|
    }
 | 
						|
    return ZIMG_PRIMARIES_UNSPECIFIED;
 | 
						|
}
 | 
						|
 | 
						|
static int convert_range(enum AVColorRange color_range)
 | 
						|
{
 | 
						|
    switch (color_range) {
 | 
						|
    case AVCOL_RANGE_UNSPECIFIED:
 | 
						|
    case AVCOL_RANGE_MPEG:
 | 
						|
        return ZIMG_RANGE_LIMITED;
 | 
						|
    case AVCOL_RANGE_JPEG:
 | 
						|
        return ZIMG_RANGE_FULL;
 | 
						|
    }
 | 
						|
    return ZIMG_RANGE_LIMITED;
 | 
						|
}
 | 
						|
 | 
						|
static enum AVColorRange convert_range_from_zimg(enum zimg_pixel_range_e color_range)
 | 
						|
{
 | 
						|
    switch (color_range) {
 | 
						|
    case ZIMG_RANGE_LIMITED:
 | 
						|
        return AVCOL_RANGE_MPEG;
 | 
						|
    case ZIMG_RANGE_FULL:
 | 
						|
        return AVCOL_RANGE_JPEG;
 | 
						|
    }
 | 
						|
    return AVCOL_RANGE_UNSPECIFIED;
 | 
						|
}
 | 
						|
 | 
						|
/* returns 0 if image formats are the same and 1 otherwise */
 | 
						|
static int compare_zimg_image_formats(zimg_image_format *img_fmt0, zimg_image_format *img_fmt1)
 | 
						|
{
 | 
						|
    return ((img_fmt0->chroma_location != img_fmt1->chroma_location) ||
 | 
						|
#if ZIMG_API_VERSION >= 0x204
 | 
						|
        (img_fmt0->alpha != img_fmt1->alpha) ||
 | 
						|
#endif
 | 
						|
        (img_fmt0->color_family != img_fmt1->color_family) ||
 | 
						|
        (img_fmt0->color_primaries != img_fmt1->color_primaries) ||
 | 
						|
        (img_fmt0->depth != img_fmt1->depth) ||
 | 
						|
        (img_fmt0->field_parity != img_fmt1->field_parity) ||
 | 
						|
        (img_fmt0->height != img_fmt1->height) ||
 | 
						|
        (img_fmt0->matrix_coefficients != img_fmt1->matrix_coefficients) ||
 | 
						|
        (img_fmt0->pixel_range != img_fmt1->pixel_range) ||
 | 
						|
        (img_fmt0->pixel_type != img_fmt1->pixel_type) ||
 | 
						|
        (img_fmt0->subsample_h != img_fmt1->subsample_h) ||
 | 
						|
        (img_fmt0->subsample_w != img_fmt1->subsample_w) ||
 | 
						|
        (img_fmt0->transfer_characteristics != img_fmt1->transfer_characteristics) ||
 | 
						|
        (img_fmt0->width != img_fmt1->width));
 | 
						|
}
 | 
						|
 | 
						|
/* returns 0 if graph builder parameters are the same and 1 otherwise */
 | 
						|
static int compare_zimg_graph_builder_params(zimg_graph_builder_params *parm0, zimg_graph_builder_params *parm1)
 | 
						|
{
 | 
						|
    /* the parameters that could be changed inside a single ffmpeg zscale invocation  are checked only
 | 
						|
    and NaN values that are default for some params are treated properly*/
 | 
						|
    int ret = (parm0->allow_approximate_gamma != parm1->allow_approximate_gamma) ||
 | 
						|
        (parm0->dither_type != parm1->dither_type) ||
 | 
						|
        (parm0->resample_filter != parm1->resample_filter) ||
 | 
						|
        (parm0->resample_filter_uv != parm1->resample_filter_uv);
 | 
						|
 | 
						|
    if ((isnan(parm0->nominal_peak_luminance) == 0) || (isnan(parm1->nominal_peak_luminance) == 0))
 | 
						|
        ret = ret || (parm0->nominal_peak_luminance != parm1->nominal_peak_luminance);
 | 
						|
    if ((isnan(parm0->filter_param_a) == 0) || (isnan(parm1->filter_param_a) == 0))
 | 
						|
        ret = ret || (parm0->filter_param_a != parm1->filter_param_a);
 | 
						|
    if ((isnan(parm0->filter_param_a_uv) == 0) || (isnan(parm1->filter_param_a_uv) == 0))
 | 
						|
        ret = ret || (parm0->filter_param_a_uv != parm1->filter_param_a_uv);
 | 
						|
    if ((isnan(parm0->filter_param_b) == 0) || (isnan(parm1->filter_param_b) == 0))
 | 
						|
        ret = ret || (parm0->filter_param_b != parm1->filter_param_b);
 | 
						|
    if ((isnan(parm0->filter_param_b_uv) == 0) || (isnan(parm1->filter_param_b_uv) == 0))
 | 
						|
        ret = ret || (parm0->filter_param_b_uv != parm1->filter_param_b_uv);
 | 
						|
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
static void format_init(zimg_image_format *format, AVFrame *frame, const AVPixFmtDescriptor *desc,
 | 
						|
                        int colorspace, int primaries, int transfer, int range, int location)
 | 
						|
{
 | 
						|
    format->width = frame->width;
 | 
						|
    format->height = frame->height;
 | 
						|
    format->subsample_w = desc->log2_chroma_w;
 | 
						|
    format->subsample_h = desc->log2_chroma_h;
 | 
						|
    format->depth = desc->comp[0].depth;
 | 
						|
    format->pixel_type = (desc->flags & AV_PIX_FMT_FLAG_FLOAT) ? ZIMG_PIXEL_FLOAT : desc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
 | 
						|
    format->color_family = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_COLOR_RGB : ZIMG_COLOR_YUV;
 | 
						|
    format->matrix_coefficients = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_MATRIX_RGB : colorspace == -1 ? convert_matrix(frame->colorspace) : colorspace;
 | 
						|
    format->color_primaries = primaries == -1 ? convert_primaries(frame->color_primaries) : primaries;
 | 
						|
    format->transfer_characteristics = transfer == -1 ? convert_trc(frame->color_trc) : transfer;
 | 
						|
    format->pixel_range = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_RANGE_FULL : range == -1 ? convert_range(frame->color_range) : range;
 | 
						|
    format->chroma_location = location == -1 ? convert_chroma_location(frame->chroma_location) : location;
 | 
						|
}
 | 
						|
 | 
						|
static int graphs_build(AVFrame *in, AVFrame *out, const AVPixFmtDescriptor *desc, const AVPixFmtDescriptor *out_desc,
 | 
						|
                        AVFilterContext *ctx, int job_nr, int n_jobs)
 | 
						|
{
 | 
						|
    ZScaleContext *s = ctx->priv;
 | 
						|
    int ret;
 | 
						|
    size_t size;
 | 
						|
    zimg_image_format src_format;
 | 
						|
    zimg_image_format dst_format;
 | 
						|
    zimg_image_format alpha_src_format;
 | 
						|
    zimg_image_format alpha_dst_format;
 | 
						|
    const double in_slice_start  = s->in_slice_start[job_nr];
 | 
						|
    const double in_slice_end    = s->in_slice_end[job_nr];
 | 
						|
    const int out_slice_start = s->out_slice_start[job_nr];
 | 
						|
    const int out_slice_end   = s->out_slice_end[job_nr];
 | 
						|
 | 
						|
    src_format = s->src_format;
 | 
						|
    dst_format = s->dst_format;
 | 
						|
    /* The input slice is specified through the active_region field,
 | 
						|
    unlike the output slice.
 | 
						|
    according to zimg requirements input and output slices should have even dimensions */
 | 
						|
    src_format.active_region.width = in->width;
 | 
						|
    src_format.active_region.height = in_slice_end - in_slice_start;
 | 
						|
    src_format.active_region.left = 0;
 | 
						|
    src_format.active_region.top = in_slice_start;
 | 
						|
    //dst now is the single tile only!!
 | 
						|
    dst_format.width = out->width;
 | 
						|
    dst_format.height = out_slice_end - out_slice_start;
 | 
						|
 | 
						|
    if (s->graph[job_nr]) {
 | 
						|
        zimg_filter_graph_free(s->graph[job_nr]);
 | 
						|
    }
 | 
						|
    s->graph[job_nr] = zimg_filter_graph_build(&src_format, &dst_format, &s->params);
 | 
						|
    if (!s->graph[job_nr])
 | 
						|
        return print_zimg_error(ctx);
 | 
						|
 | 
						|
    ret = zimg_filter_graph_get_tmp_size(s->graph[job_nr], &size);
 | 
						|
    if (ret)
 | 
						|
        return print_zimg_error(ctx);
 | 
						|
 | 
						|
    if (s->tmp[job_nr])
 | 
						|
        av_freep(&s->tmp[job_nr]);
 | 
						|
    s->tmp[job_nr] = av_calloc(size, 1);
 | 
						|
    if (!s->tmp[job_nr])
 | 
						|
        return AVERROR(ENOMEM);
 | 
						|
 | 
						|
    if (desc->flags & AV_PIX_FMT_FLAG_ALPHA && out_desc->flags & AV_PIX_FMT_FLAG_ALPHA) {
 | 
						|
        alpha_src_format = s->alpha_src_format;
 | 
						|
        alpha_dst_format = s->alpha_dst_format;
 | 
						|
        /* The input slice is specified through the active_region field, unlike the output slice.
 | 
						|
        according to zimg requirements input and output slices should have even dimentions */
 | 
						|
        alpha_src_format.active_region.width = in->width;
 | 
						|
        alpha_src_format.active_region.height = in_slice_end - in_slice_start;
 | 
						|
        alpha_src_format.active_region.left = 0;
 | 
						|
        alpha_src_format.active_region.top = in_slice_start;
 | 
						|
        //dst now is the single tile only!!
 | 
						|
        alpha_dst_format.width = out->width;
 | 
						|
        alpha_dst_format.height = out_slice_end - out_slice_start;
 | 
						|
 | 
						|
        if (s->alpha_graph[job_nr]) {
 | 
						|
            zimg_filter_graph_free(s->alpha_graph[job_nr]);
 | 
						|
        }
 | 
						|
        s->alpha_graph[job_nr] = zimg_filter_graph_build(&alpha_src_format, &alpha_dst_format, &s->alpha_params);
 | 
						|
        if (!s->alpha_graph[job_nr])
 | 
						|
            return print_zimg_error(ctx);
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int realign_frame(const AVPixFmtDescriptor *desc, AVFrame **frame, int needs_copy)
 | 
						|
{
 | 
						|
    AVFrame *aligned = NULL;
 | 
						|
    int ret = 0, plane, planes;
 | 
						|
 | 
						|
    /* Realign any unaligned input frame. */
 | 
						|
    planes = av_pix_fmt_count_planes(desc->nb_components);
 | 
						|
    for (plane = 0; plane < planes; plane++) {
 | 
						|
        int p = desc->comp[plane].plane;
 | 
						|
        if ((uintptr_t)(*frame)->data[p] % ZIMG_ALIGNMENT || (*frame)->linesize[p] % ZIMG_ALIGNMENT) {
 | 
						|
            if (!(aligned = av_frame_alloc())) {
 | 
						|
                ret = AVERROR(ENOMEM);
 | 
						|
                goto fail;
 | 
						|
            }
 | 
						|
 | 
						|
            aligned->format = (*frame)->format;
 | 
						|
            aligned->width  = (*frame)->width;
 | 
						|
            aligned->height = (*frame)->height;
 | 
						|
 | 
						|
            if ((ret = av_frame_get_buffer(aligned, ZIMG_ALIGNMENT)) < 0)
 | 
						|
                goto fail;
 | 
						|
 | 
						|
            if (needs_copy && (ret = av_frame_copy(aligned, *frame)) < 0)
 | 
						|
                goto fail;
 | 
						|
 | 
						|
            if (needs_copy && (ret = av_frame_copy_props(aligned, *frame)) < 0)
 | 
						|
                goto fail;
 | 
						|
 | 
						|
            av_frame_free(frame);
 | 
						|
            *frame = aligned;
 | 
						|
            return 0;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
fail:
 | 
						|
    av_frame_free(&aligned);
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
static void update_output_color_information(ZScaleContext *s, AVFrame *frame)
 | 
						|
{
 | 
						|
    if (s->colorspace != -1)
 | 
						|
        frame->colorspace = (int)s->dst_format.matrix_coefficients;
 | 
						|
 | 
						|
    if (s->primaries != -1)
 | 
						|
        frame->color_primaries = (int)s->dst_format.color_primaries;
 | 
						|
 | 
						|
    if (s->range != -1)
 | 
						|
        frame->color_range = convert_range_from_zimg(s->dst_format.pixel_range);
 | 
						|
 | 
						|
    if (s->trc != -1)
 | 
						|
        frame->color_trc = (int)s->dst_format.transfer_characteristics;
 | 
						|
 | 
						|
    if (s->chromal != -1)
 | 
						|
        frame->chroma_location = (int)s->dst_format.chroma_location + 1;
 | 
						|
}
 | 
						|
 | 
						|
static int filter_slice(AVFilterContext *ctx, void *data, int job_nr, int n_jobs)
 | 
						|
{
 | 
						|
    ThreadData *td = data;
 | 
						|
    int ret = 0;
 | 
						|
    int p;
 | 
						|
    int need_gb;
 | 
						|
    ZScaleContext *s = ctx->priv;
 | 
						|
    zimg_image_buffer_const src_buf = { ZIMG_API_VERSION };
 | 
						|
    zimg_image_buffer dst_buf = { ZIMG_API_VERSION };
 | 
						|
    const int out_slice_start = s->out_slice_start[job_nr];
 | 
						|
 | 
						|
    /* create zimg filter graphs for each thread
 | 
						|
     only if not created earlier or there is some change in frame parameters */
 | 
						|
    need_gb = compare_zimg_image_formats(&s->src_format, &s->src_format_tmp) ||
 | 
						|
        compare_zimg_image_formats(&s->dst_format, &s->dst_format_tmp) ||
 | 
						|
        compare_zimg_graph_builder_params(&s->params, &s->params_tmp);
 | 
						|
    if(td->desc->flags & AV_PIX_FMT_FLAG_ALPHA && td->odesc->flags & AV_PIX_FMT_FLAG_ALPHA)
 | 
						|
        need_gb = need_gb || compare_zimg_image_formats(&s->alpha_src_format, &s->alpha_src_format_tmp) ||
 | 
						|
            compare_zimg_image_formats(&s->alpha_dst_format, &s->alpha_dst_format_tmp) ||
 | 
						|
            compare_zimg_graph_builder_params(&s->alpha_params, &s->alpha_params_tmp);
 | 
						|
 | 
						|
    if (need_gb){
 | 
						|
        ret = graphs_build(td->in, td->out, td->desc, td->odesc, ctx, job_nr, n_jobs);
 | 
						|
        if (ret < 0)
 | 
						|
            return print_zimg_error(ctx);
 | 
						|
    }
 | 
						|
    for (int i = 0; i < 3; i++) {
 | 
						|
        const int vsamp = i >= 1 ? td->odesc->log2_chroma_h : 0;
 | 
						|
 | 
						|
        p = td->desc->comp[i].plane;
 | 
						|
 | 
						|
        src_buf.plane[i].data = td->in->data[p];
 | 
						|
        src_buf.plane[i].stride = td->in->linesize[p];
 | 
						|
        src_buf.plane[i].mask = -1;
 | 
						|
 | 
						|
        p = td->odesc->comp[i].plane;
 | 
						|
        dst_buf.plane[i].data = td->out->data[p] + td->out->linesize[p] * (out_slice_start >> vsamp);
 | 
						|
        dst_buf.plane[i].stride = td->out->linesize[p];
 | 
						|
        dst_buf.plane[i].mask = -1;
 | 
						|
    }
 | 
						|
    if (!s->graph[job_nr])
 | 
						|
        return AVERROR(EINVAL);
 | 
						|
    ret = zimg_filter_graph_process(s->graph[job_nr], &src_buf, &dst_buf, s->tmp[job_nr], 0, 0, 0, 0);
 | 
						|
    if (ret)
 | 
						|
        return print_zimg_error(ctx);
 | 
						|
 | 
						|
    if (td->desc->flags & AV_PIX_FMT_FLAG_ALPHA && td->odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
 | 
						|
        src_buf.plane[0].data = td->in->data[3];
 | 
						|
        src_buf.plane[0].stride = td->in->linesize[3];
 | 
						|
        src_buf.plane[0].mask = -1;
 | 
						|
 | 
						|
        dst_buf.plane[0].data = td->out->data[3] + td->out->linesize[3] * out_slice_start;
 | 
						|
        dst_buf.plane[0].stride = td->out->linesize[3];
 | 
						|
        dst_buf.plane[0].mask = -1;
 | 
						|
 | 
						|
        if (!s->alpha_graph[job_nr])
 | 
						|
            return AVERROR(EINVAL);
 | 
						|
        ret = zimg_filter_graph_process(s->alpha_graph[job_nr], &src_buf, &dst_buf, s->tmp[job_nr], 0, 0, 0, 0);
 | 
						|
        if (ret)
 | 
						|
            return print_zimg_error(ctx);
 | 
						|
    }
 | 
						|
    return 0;
 | 
						|
}
 | 
						|
 | 
						|
static int filter_frame(AVFilterLink *link, AVFrame *in)
 | 
						|
{
 | 
						|
    AVFilterContext *ctx = link->dst;
 | 
						|
    ZScaleContext *s = ctx->priv;
 | 
						|
    AVFilterLink *outlink = ctx->outputs[0];
 | 
						|
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
 | 
						|
    const AVPixFmtDescriptor *odesc = av_pix_fmt_desc_get(outlink->format);
 | 
						|
    char buf[32];
 | 
						|
    int ret = 0;
 | 
						|
    AVFrame *out = NULL;
 | 
						|
    ThreadData td;
 | 
						|
 | 
						|
    //we need to use this filter if something is different for an input and output only
 | 
						|
    //otherwise - just copy the input frame to the output
 | 
						|
    if ((link->format != outlink->format) ||
 | 
						|
        (link->w != outlink->w) ||
 | 
						|
        (link->h != outlink->h) ||
 | 
						|
        s->first_time ||
 | 
						|
        (s->src_format.chroma_location != s->dst_format.chroma_location) ||
 | 
						|
        (s->src_format.color_family !=s->dst_format.color_family) ||
 | 
						|
        (s->src_format.color_primaries !=s->dst_format.color_primaries) ||
 | 
						|
        (s->src_format.depth !=s->dst_format.depth) ||
 | 
						|
        (s->src_format.matrix_coefficients !=s->dst_format.matrix_coefficients) ||
 | 
						|
        (s->src_format.field_parity !=s->dst_format.field_parity) ||
 | 
						|
        (s->src_format.pixel_range !=s->dst_format.pixel_range) ||
 | 
						|
        (s->src_format.pixel_type !=s->dst_format.pixel_type) ||
 | 
						|
        (s->src_format.transfer_characteristics !=s->dst_format.transfer_characteristics)
 | 
						|
    ){
 | 
						|
        out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
 | 
						|
        if (!out) {
 | 
						|
            ret =  AVERROR(ENOMEM);
 | 
						|
            goto fail;
 | 
						|
        }
 | 
						|
 | 
						|
        if ((ret = realign_frame(odesc, &out, 0)) < 0)
 | 
						|
            goto fail;
 | 
						|
 | 
						|
        av_frame_copy_props(out, in);
 | 
						|
 | 
						|
        if ((ret = realign_frame(desc, &in, 1)) < 0)
 | 
						|
            goto fail;
 | 
						|
 | 
						|
        snprintf(buf, sizeof(buf)-1, "%d", outlink->w);
 | 
						|
        av_opt_set(s, "w", buf, 0);
 | 
						|
        snprintf(buf, sizeof(buf)-1, "%d", outlink->h);
 | 
						|
        av_opt_set(s, "h", buf, 0);
 | 
						|
 | 
						|
        link->dst->inputs[0]->format = in->format;
 | 
						|
        link->dst->inputs[0]->w      = in->width;
 | 
						|
        link->dst->inputs[0]->h      = in->height;
 | 
						|
 | 
						|
        s->nb_threads = av_clip(FFMIN(ff_filter_get_nb_threads(ctx), FFMIN(link->h, outlink->h) / MIN_TILESIZE), 1, MAX_THREADS);
 | 
						|
        s->in_colorspace = in->colorspace;
 | 
						|
        s->in_trc = in->color_trc;
 | 
						|
        s->in_primaries = in->color_primaries;
 | 
						|
        s->in_range = in->color_range;
 | 
						|
        s->out_colorspace = out->colorspace;
 | 
						|
        s->out_trc = out->color_trc;
 | 
						|
        s->out_primaries = out->color_primaries;
 | 
						|
        s->out_range = out->color_range;
 | 
						|
 | 
						|
        slice_params(s, out->height, in->height);
 | 
						|
 | 
						|
        zimg_image_format_default(&s->src_format, ZIMG_API_VERSION);
 | 
						|
        zimg_image_format_default(&s->dst_format, ZIMG_API_VERSION);
 | 
						|
        zimg_graph_builder_params_default(&s->params, ZIMG_API_VERSION);
 | 
						|
 | 
						|
        format_init(&s->src_format, in, desc, s->colorspace_in,
 | 
						|
            s->primaries_in, s->trc_in, s->range_in, s->chromal_in);
 | 
						|
        format_init(&s->dst_format, out, odesc, s->colorspace,
 | 
						|
            s->primaries, s->trc, s->range, s->chromal);
 | 
						|
        s->first_time = 0;
 | 
						|
 | 
						|
        s->params.dither_type = s->dither;
 | 
						|
        s->params.cpu_type = ZIMG_CPU_AUTO_64B;
 | 
						|
        s->params.resample_filter = s->filter;
 | 
						|
        s->params.resample_filter_uv = s->filter;
 | 
						|
        s->params.nominal_peak_luminance = s->nominal_peak_luminance;
 | 
						|
        s->params.allow_approximate_gamma = s->approximate_gamma;
 | 
						|
        s->params.filter_param_a = s->params.filter_param_a_uv = s->param_a;
 | 
						|
        s->params.filter_param_b = s->params.filter_param_b_uv = s->param_b;
 | 
						|
 | 
						|
        if (desc->flags & AV_PIX_FMT_FLAG_ALPHA && odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
 | 
						|
            zimg_image_format_default(&s->alpha_src_format, ZIMG_API_VERSION);
 | 
						|
            zimg_image_format_default(&s->alpha_dst_format, ZIMG_API_VERSION);
 | 
						|
            zimg_graph_builder_params_default(&s->alpha_params, ZIMG_API_VERSION);
 | 
						|
 | 
						|
            s->alpha_params.dither_type = s->dither;
 | 
						|
            s->alpha_params.cpu_type = ZIMG_CPU_AUTO_64B;
 | 
						|
            s->alpha_params.resample_filter = s->filter;
 | 
						|
 | 
						|
            s->alpha_src_format.width = in->width;
 | 
						|
            s->alpha_src_format.height = in->height;
 | 
						|
            s->alpha_src_format.depth = desc->comp[0].depth;
 | 
						|
            s->alpha_src_format.pixel_type = (desc->flags & AV_PIX_FMT_FLAG_FLOAT) ? ZIMG_PIXEL_FLOAT : desc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
 | 
						|
            s->alpha_src_format.color_family = ZIMG_COLOR_GREY;
 | 
						|
 | 
						|
            s->alpha_dst_format.depth = odesc->comp[0].depth;
 | 
						|
            s->alpha_dst_format.pixel_type = (odesc->flags & AV_PIX_FMT_FLAG_FLOAT) ? ZIMG_PIXEL_FLOAT : odesc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
 | 
						|
            s->alpha_dst_format.color_family = ZIMG_COLOR_GREY;
 | 
						|
        }
 | 
						|
 | 
						|
        update_output_color_information(s, out);
 | 
						|
        av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,
 | 
						|
                  (int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
 | 
						|
                  (int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
 | 
						|
                  INT_MAX);
 | 
						|
 | 
						|
        td.in = in;
 | 
						|
        td.out = out;
 | 
						|
        td.desc = desc;
 | 
						|
        td.odesc = odesc;
 | 
						|
 | 
						|
        memset(s->jobs_ret, 0, s->nb_threads * sizeof(*s->jobs_ret));
 | 
						|
        ret = ff_filter_execute(ctx, filter_slice, &td, s->jobs_ret, s->nb_threads);
 | 
						|
        for (int i = 0; ret >= 0 && i < s->nb_threads; i++)
 | 
						|
            if (s->jobs_ret[i] < 0)
 | 
						|
                ret = s->jobs_ret[i];
 | 
						|
        if (ret < 0) {
 | 
						|
            av_frame_free(&in);
 | 
						|
            av_frame_free(&out);
 | 
						|
            return ret;
 | 
						|
        }
 | 
						|
 | 
						|
        s->src_format_tmp = s->src_format;
 | 
						|
        s->dst_format_tmp = s->dst_format;
 | 
						|
        s->params_tmp = s->params;
 | 
						|
        if (desc->flags & AV_PIX_FMT_FLAG_ALPHA && odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
 | 
						|
            s->alpha_src_format_tmp = s->alpha_src_format;
 | 
						|
            s->alpha_dst_format_tmp = s->alpha_dst_format;
 | 
						|
            s->alpha_params_tmp = s->alpha_params;
 | 
						|
        }
 | 
						|
 | 
						|
        if ((!(desc->flags & AV_PIX_FMT_FLAG_ALPHA)) && (odesc->flags & AV_PIX_FMT_FLAG_ALPHA) ){
 | 
						|
            int x, y;
 | 
						|
            if (odesc->flags & AV_PIX_FMT_FLAG_FLOAT) {
 | 
						|
                for (y = 0; y < out->height; y++) {
 | 
						|
                    for (x = 0; x < out->width; x++) {
 | 
						|
                        AV_WN32(out->data[3] + x * odesc->comp[3].step + y * out->linesize[3],
 | 
						|
                                av_float2int(1.0f));
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            } else {
 | 
						|
                for (y = 0; y < outlink->h; y++)
 | 
						|
                    memset(out->data[3] + y * out->linesize[3], 0xff, outlink->w);
 | 
						|
            }
 | 
						|
        }
 | 
						|
    } else {
 | 
						|
        /*no need for any filtering */
 | 
						|
        return ff_filter_frame(outlink, in);
 | 
						|
    }
 | 
						|
fail:
 | 
						|
    av_frame_free(&in);
 | 
						|
    if (ret) {
 | 
						|
        av_frame_free(&out);
 | 
						|
        return ret;
 | 
						|
    }
 | 
						|
 | 
						|
    return ff_filter_frame(outlink, out);
 | 
						|
}
 | 
						|
 | 
						|
static av_cold void uninit(AVFilterContext *ctx)
 | 
						|
{
 | 
						|
    ZScaleContext *s = ctx->priv;
 | 
						|
 | 
						|
    for (int i = 0; i < s->nb_threads; i++) {
 | 
						|
        av_freep(&s->tmp[i]);
 | 
						|
        if (s->graph[i]) {
 | 
						|
            zimg_filter_graph_free(s->graph[i]);
 | 
						|
            s->graph[i] = NULL;
 | 
						|
        }
 | 
						|
        if (s->alpha_graph[i]) {
 | 
						|
            zimg_filter_graph_free(s->alpha_graph[i]);
 | 
						|
            s->alpha_graph[i] = NULL;
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
static int process_command(AVFilterContext *ctx, const char *cmd, const char *args,
 | 
						|
                           char *res, int res_len, int flags)
 | 
						|
{
 | 
						|
    ZScaleContext *s = ctx->priv;
 | 
						|
    int ret;
 | 
						|
 | 
						|
    if (   !strcmp(cmd, "width")  || !strcmp(cmd, "w")
 | 
						|
        || !strcmp(cmd, "height") || !strcmp(cmd, "h")) {
 | 
						|
 | 
						|
        int old_w = s->w;
 | 
						|
        int old_h = s->h;
 | 
						|
        AVFilterLink *outlink = ctx->outputs[0];
 | 
						|
 | 
						|
        av_opt_set(s, cmd, args, 0);
 | 
						|
        if ((ret = config_props(outlink)) < 0) {
 | 
						|
            s->w = old_w;
 | 
						|
            s->h = old_h;
 | 
						|
        }
 | 
						|
    } else
 | 
						|
        ret = AVERROR(ENOSYS);
 | 
						|
 | 
						|
    return ret;
 | 
						|
}
 | 
						|
 | 
						|
#define OFFSET(x) offsetof(ZScaleContext, x)
 | 
						|
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
 | 
						|
#define TFLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
 | 
						|
 | 
						|
static const AVOption zscale_options[] = {
 | 
						|
    { "w",      "Output video width",  OFFSET(w_expr),    AV_OPT_TYPE_STRING, .flags = TFLAGS },
 | 
						|
    { "width",  "Output video width",  OFFSET(w_expr),    AV_OPT_TYPE_STRING, .flags = TFLAGS },
 | 
						|
    { "h",      "Output video height", OFFSET(h_expr),    AV_OPT_TYPE_STRING, .flags = TFLAGS },
 | 
						|
    { "height", "Output video height", OFFSET(h_expr),    AV_OPT_TYPE_STRING, .flags = TFLAGS },
 | 
						|
    { "size",   "set video size",      OFFSET(size_str),  AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
 | 
						|
    { "s",      "set video size",      OFFSET(size_str),  AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
 | 
						|
    { "dither", "set dither type",     OFFSET(dither),    AV_OPT_TYPE_INT, {.i64 = 0}, 0, ZIMG_DITHER_ERROR_DIFFUSION, FLAGS, "dither" },
 | 
						|
    { "d",      "set dither type",     OFFSET(dither),    AV_OPT_TYPE_INT, {.i64 = 0}, 0, ZIMG_DITHER_ERROR_DIFFUSION, FLAGS, "dither" },
 | 
						|
    {     "none",             0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_NONE},     0, 0, FLAGS, "dither" },
 | 
						|
    {     "ordered",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_ORDERED},  0, 0, FLAGS, "dither" },
 | 
						|
    {     "random",           0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_RANDOM},   0, 0, FLAGS, "dither" },
 | 
						|
    {     "error_diffusion",  0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_DITHER_ERROR_DIFFUSION}, 0, 0, FLAGS, "dither" },
 | 
						|
    { "filter", "set filter type",     OFFSET(filter),    AV_OPT_TYPE_INT, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, ZIMG_RESIZE_LANCZOS, FLAGS, "filter" },
 | 
						|
    { "f",      "set filter type",     OFFSET(filter),    AV_OPT_TYPE_INT, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, ZIMG_RESIZE_LANCZOS, FLAGS, "filter" },
 | 
						|
    {     "point",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_POINT},    0, 0, FLAGS, "filter" },
 | 
						|
    {     "bilinear",         0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_BILINEAR}, 0, 0, FLAGS, "filter" },
 | 
						|
    {     "bicubic",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_BICUBIC},  0, 0, FLAGS, "filter" },
 | 
						|
    {     "spline16",         0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_SPLINE16}, 0, 0, FLAGS, "filter" },
 | 
						|
    {     "spline36",         0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_SPLINE36}, 0, 0, FLAGS, "filter" },
 | 
						|
    {     "lanczos",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RESIZE_LANCZOS},  0, 0, FLAGS, "filter" },
 | 
						|
    { "out_range", "set color range",  OFFSET(range),     AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, "range" },
 | 
						|
    { "range", "set color range",      OFFSET(range),     AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, "range" },
 | 
						|
    { "r",     "set color range",      OFFSET(range),     AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, "range" },
 | 
						|
    {     "input",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = -1},                 0, 0, FLAGS, "range" },
 | 
						|
    {     "limited",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RANGE_LIMITED}, 0, 0, FLAGS, "range" },
 | 
						|
    {     "full",             0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RANGE_FULL},    0, 0, FLAGS, "range" },
 | 
						|
    {     "unknown",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = -1},                 0, 0, FLAGS, "range" },
 | 
						|
    {     "tv",               0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RANGE_LIMITED}, 0, 0, FLAGS, "range" },
 | 
						|
    {     "pc",               0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_RANGE_FULL},    0, 0, FLAGS, "range" },
 | 
						|
    { "primaries", "set color primaries", OFFSET(primaries), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "primaries" },
 | 
						|
    { "p",         "set color primaries", OFFSET(primaries), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "primaries" },
 | 
						|
    {     "input",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = -1},                         0, 0, FLAGS, "primaries" },
 | 
						|
    {     "709",              0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_709},         0, 0, FLAGS, "primaries" },
 | 
						|
    {     "unspecified",      0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_UNSPECIFIED}, 0, 0, FLAGS, "primaries" },
 | 
						|
    {     "170m",             0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_170M},        0, 0, FLAGS, "primaries" },
 | 
						|
    {     "240m",             0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_240M},        0, 0, FLAGS, "primaries" },
 | 
						|
    {     "2020",             0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_2020},        0, 0, FLAGS, "primaries" },
 | 
						|
    {     "unknown",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_UNSPECIFIED}, 0, 0, FLAGS, "primaries" },
 | 
						|
    {     "bt709",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_709},         0, 0, FLAGS, "primaries" },
 | 
						|
    {     "bt470m",           0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_470_M},       0, 0, FLAGS, "primaries" },
 | 
						|
    {     "bt470bg",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_470_BG},      0, 0, FLAGS, "primaries" },
 | 
						|
    {     "smpte170m",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_170M},        0, 0, FLAGS, "primaries" },
 | 
						|
    {     "smpte240m",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_240M},        0, 0, FLAGS, "primaries" },
 | 
						|
    {     "film",             0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_FILM},        0, 0, FLAGS, "primaries" },
 | 
						|
    {     "bt2020",           0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_2020},        0, 0, FLAGS, "primaries" },
 | 
						|
    {     "smpte428",         0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_ST428},       0, 0, FLAGS, "primaries" },
 | 
						|
    {     "smpte431",         0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_ST431_2},     0, 0, FLAGS, "primaries" },
 | 
						|
    {     "smpte432",         0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_ST432_1},     0, 0, FLAGS, "primaries" },
 | 
						|
    {     "jedec-p22",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_EBU3213_E},   0, 0, FLAGS, "primaries" },
 | 
						|
    {     "ebu3213",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_PRIMARIES_EBU3213_E},   0, 0, FLAGS, "primaries" },
 | 
						|
    { "transfer", "set transfer characteristic", OFFSET(trc), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "transfer" },
 | 
						|
    { "t",        "set transfer characteristic", OFFSET(trc), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "transfer" },
 | 
						|
    {     "input",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = -1},                         0, 0, FLAGS, "transfer" },
 | 
						|
    {     "709",              0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_709},         0, 0, FLAGS, "transfer" },
 | 
						|
    {     "unspecified",      0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_UNSPECIFIED}, 0, 0, FLAGS, "transfer" },
 | 
						|
    {     "601",              0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_601},         0, 0, FLAGS, "transfer" },
 | 
						|
    {     "linear",           0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_LINEAR},      0, 0, FLAGS, "transfer" },
 | 
						|
    {     "2020_10",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_2020_10},     0, 0, FLAGS, "transfer" },
 | 
						|
    {     "2020_12",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_2020_12},     0, 0, FLAGS, "transfer" },
 | 
						|
    {     "unknown",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_UNSPECIFIED}, 0, 0, FLAGS, "transfer" },
 | 
						|
    {     "bt470m",           0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_470_M},       0, 0, FLAGS, "transfer" },
 | 
						|
    {     "bt470bg",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_470_BG},      0, 0, FLAGS, "transfer" },
 | 
						|
    {     "smpte170m",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_601},         0, 0, FLAGS, "transfer" },
 | 
						|
    {     "smpte240m",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_240M},        0, 0, FLAGS, "transfer" },
 | 
						|
    {     "bt709",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_709},         0, 0, FLAGS, "transfer" },
 | 
						|
    {     "linear",           0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_LINEAR},      0, 0, FLAGS, "transfer" },
 | 
						|
    {     "log100",           0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_LOG_100},     0, 0, FLAGS, "transfer" },
 | 
						|
    {     "log316",           0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_LOG_316},     0, 0, FLAGS, "transfer" },
 | 
						|
    {     "bt2020-10",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_2020_10},     0, 0, FLAGS, "transfer" },
 | 
						|
    {     "bt2020-12",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_2020_12},     0, 0, FLAGS, "transfer" },
 | 
						|
    {     "smpte2084",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_ST2084},      0, 0, FLAGS, "transfer" },
 | 
						|
    {     "iec61966-2-4",     0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_IEC_61966_2_4},0, 0, FLAGS, "transfer" },
 | 
						|
    {     "iec61966-2-1",     0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_IEC_61966_2_1},0, 0, FLAGS, "transfer" },
 | 
						|
    {     "arib-std-b67",     0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_TRANSFER_ARIB_B67},    0, 0, FLAGS, "transfer" },
 | 
						|
    { "matrix", "set colorspace matrix", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "matrix" },
 | 
						|
    { "m",      "set colorspace matrix", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "matrix" },
 | 
						|
    {     "input",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = -1},                      0, 0, FLAGS, "matrix" },
 | 
						|
    {     "709",              0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_709},         0, 0, FLAGS, "matrix" },
 | 
						|
    {     "unspecified",      0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_UNSPECIFIED}, 0, 0, FLAGS, "matrix" },
 | 
						|
    {     "470bg",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_470BG},       0, 0, FLAGS, "matrix" },
 | 
						|
    {     "170m",             0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_170M},        0, 0, FLAGS, "matrix" },
 | 
						|
    {     "2020_ncl",         0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_2020_NCL},    0, 0, FLAGS, "matrix" },
 | 
						|
    {     "2020_cl",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_2020_CL},     0, 0, FLAGS, "matrix" },
 | 
						|
    {     "unknown",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_UNSPECIFIED}, 0, 0, FLAGS, "matrix" },
 | 
						|
    {     "gbr",              0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_RGB},         0, 0, FLAGS, "matrix" },
 | 
						|
    {     "bt709",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_709},         0, 0, FLAGS, "matrix" },
 | 
						|
    {     "fcc",              0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_FCC},         0, 0, FLAGS, "matrix" },
 | 
						|
    {     "bt470bg",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_470BG},       0, 0, FLAGS, "matrix" },
 | 
						|
    {     "smpte170m",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_170M},        0, 0, FLAGS, "matrix" },
 | 
						|
    {     "smpte240m",        0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_240M},        0, 0, FLAGS, "matrix" },
 | 
						|
    {     "ycgco",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_YCGCO},       0, 0, FLAGS, "matrix" },
 | 
						|
    {     "bt2020nc",         0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_2020_NCL},    0, 0, FLAGS, "matrix" },
 | 
						|
    {     "bt2020c",          0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_2020_CL},     0, 0, FLAGS, "matrix" },
 | 
						|
    {     "chroma-derived-nc",0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_CHROMATICITY_DERIVED_NCL}, 0, 0, FLAGS, "matrix" },
 | 
						|
    {     "chroma-derived-c", 0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_CHROMATICITY_DERIVED_CL}, 0, 0, FLAGS, "matrix" },
 | 
						|
    {     "ictcp",            0,       0,                 AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_ICTCP},       0, 0, FLAGS, "matrix" },
 | 
						|
    { "in_range", "set input color range", OFFSET(range_in),    AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, "range" },
 | 
						|
    { "rangein", "set input color range", OFFSET(range_in),     AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, "range" },
 | 
						|
    { "rin",     "set input color range", OFFSET(range_in),     AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_RANGE_FULL, FLAGS, "range" },
 | 
						|
    { "primariesin", "set input color primaries", OFFSET(primaries_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "primaries" },
 | 
						|
    { "pin",         "set input color primaries", OFFSET(primaries_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "primaries" },
 | 
						|
    { "transferin", "set input transfer characteristic", OFFSET(trc_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "transfer" },
 | 
						|
    { "tin",        "set input transfer characteristic", OFFSET(trc_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "transfer" },
 | 
						|
    { "matrixin", "set input colorspace matrix", OFFSET(colorspace_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "matrix" },
 | 
						|
    { "min",      "set input colorspace matrix", OFFSET(colorspace_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, FLAGS, "matrix" },
 | 
						|
    { "chromal",  "set output chroma location", OFFSET(chromal), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_CHROMA_BOTTOM, FLAGS, "chroma" },
 | 
						|
    { "c",        "set output chroma location", OFFSET(chromal), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_CHROMA_BOTTOM, FLAGS, "chroma" },
 | 
						|
    {     "input",     0, 0, AV_OPT_TYPE_CONST, {.i64 = -1},                       0, 0, FLAGS, "chroma" },
 | 
						|
    {     "left",      0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_LEFT},         0, 0, FLAGS, "chroma" },
 | 
						|
    {     "center",    0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_CENTER},       0, 0, FLAGS, "chroma" },
 | 
						|
    {     "topleft",   0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_TOP_LEFT},     0, 0, FLAGS, "chroma" },
 | 
						|
    {     "top",       0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_TOP},          0, 0, FLAGS, "chroma" },
 | 
						|
    {     "bottomleft",0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_BOTTOM_LEFT},  0, 0, FLAGS, "chroma" },
 | 
						|
    {     "bottom",    0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_CHROMA_BOTTOM},       0, 0, FLAGS, "chroma" },
 | 
						|
    { "chromalin",  "set input chroma location", OFFSET(chromal_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_CHROMA_BOTTOM, FLAGS, "chroma" },
 | 
						|
    { "cin",        "set input chroma location", OFFSET(chromal_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_CHROMA_BOTTOM, FLAGS, "chroma" },
 | 
						|
    { "npl",       "set nominal peak luminance", OFFSET(nominal_peak_luminance), AV_OPT_TYPE_DOUBLE, {.dbl = NAN}, 0, DBL_MAX, FLAGS },
 | 
						|
    { "agamma",       "allow approximate gamma", OFFSET(approximate_gamma),      AV_OPT_TYPE_BOOL,   {.i64 = 1},   0, 1,       FLAGS },
 | 
						|
    { "param_a", "parameter A, which is parameter \"b\" for bicubic, "
 | 
						|
                 "and the number of filter taps for lanczos", OFFSET(param_a), AV_OPT_TYPE_DOUBLE, {.dbl = NAN}, -DBL_MAX, DBL_MAX, FLAGS },
 | 
						|
    { "param_b", "parameter B, which is parameter \"c\" for bicubic", OFFSET(param_b), AV_OPT_TYPE_DOUBLE, {.dbl = NAN}, -DBL_MAX, DBL_MAX, FLAGS },
 | 
						|
    { NULL }
 | 
						|
};
 | 
						|
 | 
						|
AVFILTER_DEFINE_CLASS(zscale);
 | 
						|
 | 
						|
static const AVFilterPad avfilter_vf_zscale_inputs[] = {
 | 
						|
    {
 | 
						|
        .name         = "default",
 | 
						|
        .type         = AVMEDIA_TYPE_VIDEO,
 | 
						|
        .filter_frame = filter_frame,
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
static const AVFilterPad avfilter_vf_zscale_outputs[] = {
 | 
						|
    {
 | 
						|
        .name         = "default",
 | 
						|
        .type         = AVMEDIA_TYPE_VIDEO,
 | 
						|
        .config_props = config_props,
 | 
						|
    },
 | 
						|
};
 | 
						|
 | 
						|
const AVFilter ff_vf_zscale = {
 | 
						|
    .name            = "zscale",
 | 
						|
    .description     = NULL_IF_CONFIG_SMALL("Apply resizing, colorspace and bit depth conversion."),
 | 
						|
    .init            = init,
 | 
						|
    .priv_size       = sizeof(ZScaleContext),
 | 
						|
    .priv_class      = &zscale_class,
 | 
						|
    .uninit          = uninit,
 | 
						|
    FILTER_INPUTS(avfilter_vf_zscale_inputs),
 | 
						|
    FILTER_OUTPUTS(avfilter_vf_zscale_outputs),
 | 
						|
    FILTER_QUERY_FUNC(query_formats),
 | 
						|
    .process_command = process_command,
 | 
						|
    .flags           = AVFILTER_FLAG_SLICE_THREADS,
 | 
						|
};
 |