737 lines
30 KiB
C
737 lines
30 KiB
C
/*
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* Copyright (c) 2015 Paul B Mahol
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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 <stdio.h>
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#include <string.h>
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#include <zimg.h>
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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/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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#include "libavutil/avassert.h"
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static const char *const var_names[] = {
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"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
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*/
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int w, h;
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int dither;
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int filter;
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int colorspace;
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int trc;
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int primaries;
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int range;
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char *size_str;
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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;
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int force_original_aspect_ratio;
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void *tmp;
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size_t tmp_size;
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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_graph_builder_params alpha_params, params;
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zimg_filter_graph *alpha_graph, *graph;
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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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} ZScaleContext;
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static av_cold int init_dict(AVFilterContext *ctx, AVDictionary **opts)
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{
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ZScaleContext *s = ctx->priv;
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int ret;
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if (s->size_str && (s->w_expr || s->h_expr)) {
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av_log(ctx, AV_LOG_ERROR,
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"Size and width/height expressions cannot be set at the same time.\n");
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return AVERROR(EINVAL);
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}
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if (s->w_expr && !s->h_expr)
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FFSWAP(char *, s->w_expr, s->size_str);
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if (s->size_str) {
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char buf[32];
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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;
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}
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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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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_NONE
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};
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int ret;
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ret = ff_formats_ref(ff_make_format_list(pixel_fmts), &ctx->inputs[0]->out_formats);
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if (ret < 0)
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return ret;
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return ff_formats_ref(ff_make_format_list(pixel_fmts), &ctx->outputs[0]->in_formats);
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}
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static int config_props(AVFilterLink *outlink)
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{
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AVFilterContext *ctx = outlink->src;
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AVFilterLink *inlink = outlink->src->inputs[0];
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ZScaleContext *s = ctx->priv;
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
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const AVPixFmtDescriptor *out_desc = av_pix_fmt_desc_get(outlink->format);
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int64_t w, h;
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double var_values[VARS_NB], res;
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char *expr;
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int ret;
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int factor_w, factor_h;
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var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
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var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
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var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
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var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
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var_values[VAR_A] = (double) inlink->w / inlink->h;
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var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
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(double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
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var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR];
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var_values[VAR_HSUB] = 1 << desc->log2_chroma_w;
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var_values[VAR_VSUB] = 1 << desc->log2_chroma_h;
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var_values[VAR_OHSUB] = 1 << out_desc->log2_chroma_w;
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var_values[VAR_OVSUB] = 1 << out_desc->log2_chroma_h;
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/* evaluate width and height */
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av_expr_parse_and_eval(&res, (expr = s->w_expr),
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var_names, var_values,
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NULL, NULL, NULL, NULL, NULL, 0, ctx);
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s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
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if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
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var_names, var_values,
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NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
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goto fail;
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s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
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/* evaluate again the width, as it may depend on the output height */
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if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
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var_names, var_values,
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NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
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goto fail;
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s->w = res;
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w = s->w;
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h = s->h;
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/* Check if it is requested that the result has to be divisible by a some
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* factor (w or h = -n with n being the factor). */
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factor_w = 1;
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factor_h = 1;
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if (w < -1) {
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factor_w = -w;
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}
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if (h < -1) {
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factor_h = -h;
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}
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if (w < 0 && h < 0)
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s->w = s->h = 0;
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if (!(w = s->w))
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w = inlink->w;
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if (!(h = s->h))
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h = inlink->h;
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/* Make sure that the result is divisible by the factor we determined
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* earlier. If no factor was set, it is nothing will happen as the default
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* factor is 1 */
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if (w < 0)
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w = av_rescale(h, inlink->w, inlink->h * factor_w) * factor_w;
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if (h < 0)
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h = av_rescale(w, inlink->h, inlink->w * factor_h) * factor_h;
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/* Note that force_original_aspect_ratio may overwrite the previous set
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* dimensions so that it is not divisible by the set factors anymore. */
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if (s->force_original_aspect_ratio) {
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int tmp_w = av_rescale(h, inlink->w, inlink->h);
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int tmp_h = av_rescale(w, inlink->h, inlink->w);
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if (s->force_original_aspect_ratio == 1) {
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w = FFMIN(tmp_w, w);
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h = FFMIN(tmp_h, h);
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} else {
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w = FFMAX(tmp_w, w);
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h = FFMAX(tmp_h, h);
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}
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}
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if (w > INT_MAX || h > INT_MAX ||
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(h * inlink->w) > INT_MAX ||
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(w * inlink->h) > INT_MAX)
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av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
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outlink->w = w;
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outlink->h = h;
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if (inlink->w == outlink->w &&
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inlink->h == outlink->h &&
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inlink->format == outlink->format)
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;
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else {
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}
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if (inlink->sample_aspect_ratio.num){
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outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * inlink->w, outlink->w * inlink->h}, inlink->sample_aspect_ratio);
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} else
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outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
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av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d fmt:%s sar:%d/%d -> w:%d h:%d fmt:%s sar:%d/%d\n",
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inlink ->w, inlink ->h, av_get_pix_fmt_name( inlink->format),
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inlink->sample_aspect_ratio.num, inlink->sample_aspect_ratio.den,
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outlink->w, outlink->h, av_get_pix_fmt_name(outlink->format),
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outlink->sample_aspect_ratio.num, outlink->sample_aspect_ratio.den);
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return 0;
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fail:
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av_log(ctx, AV_LOG_ERROR,
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"Error when evaluating the expression '%s'.\n"
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"Maybe the expression for out_w:'%s' or for out_h:'%s' is self-referencing.\n",
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expr, s->w_expr, s->h_expr);
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return ret;
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}
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static int print_zimg_error(AVFilterContext *ctx)
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{
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char err_msg[1024];
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int err_code = zimg_get_last_error(err_msg, sizeof(err_msg));
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av_log(ctx, AV_LOG_ERROR, "code %d: %s\n", err_code, err_msg);
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return err_code;
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}
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static int convert_matrix(enum AVColorSpace colorspace)
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{
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switch (colorspace) {
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case AVCOL_SPC_RGB:
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return ZIMG_MATRIX_RGB;
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case AVCOL_SPC_BT709:
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return ZIMG_MATRIX_709;
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case AVCOL_SPC_UNSPECIFIED:
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return ZIMG_MATRIX_UNSPECIFIED;
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case AVCOL_SPC_BT470BG:
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return ZIMG_MATRIX_470BG;
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case AVCOL_SPC_SMPTE170M:
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return ZIMG_MATRIX_170M;
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case AVCOL_SPC_YCGCO:
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return ZIMG_MATRIX_YCGCO;
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case AVCOL_SPC_BT2020_NCL:
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return ZIMG_MATRIX_2020_NCL;
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case AVCOL_SPC_BT2020_CL:
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return ZIMG_MATRIX_2020_CL;
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}
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return ZIMG_MATRIX_UNSPECIFIED;
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}
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static int convert_trc(enum AVColorTransferCharacteristic color_trc)
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{
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switch (color_trc) {
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case AVCOL_TRC_UNSPECIFIED:
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return ZIMG_TRANSFER_UNSPECIFIED;
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case AVCOL_TRC_BT709:
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return ZIMG_TRANSFER_709;
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case AVCOL_TRC_SMPTE170M:
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return ZIMG_TRANSFER_601;
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case AVCOL_TRC_LINEAR:
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return ZIMG_TRANSFER_LINEAR;
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case AVCOL_TRC_BT2020_10:
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return ZIMG_TRANSFER_2020_10;
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case AVCOL_TRC_BT2020_12:
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return ZIMG_TRANSFER_2020_12;
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}
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return ZIMG_TRANSFER_UNSPECIFIED;
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}
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static int convert_primaries(enum AVColorPrimaries color_primaries)
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{
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switch (color_primaries) {
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case AVCOL_PRI_UNSPECIFIED:
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return ZIMG_PRIMARIES_UNSPECIFIED;
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case AVCOL_PRI_BT709:
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return ZIMG_PRIMARIES_709;
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case AVCOL_PRI_SMPTE170M:
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return ZIMG_PRIMARIES_170M;
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case AVCOL_PRI_SMPTE240M:
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return ZIMG_PRIMARIES_240M;
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case AVCOL_PRI_BT2020:
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return ZIMG_PRIMARIES_2020;
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}
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return ZIMG_PRIMARIES_UNSPECIFIED;
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}
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static int convert_range(enum AVColorRange color_range)
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{
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switch (color_range) {
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case AVCOL_RANGE_UNSPECIFIED:
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case AVCOL_RANGE_MPEG:
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return ZIMG_RANGE_LIMITED;
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case AVCOL_RANGE_JPEG:
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return ZIMG_RANGE_FULL;
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}
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return ZIMG_RANGE_LIMITED;
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}
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static int filter_frame(AVFilterLink *link, AVFrame *in)
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{
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ZScaleContext *s = link->dst->priv;
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AVFilterLink *outlink = link->dst->outputs[0];
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const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
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const AVPixFmtDescriptor *odesc = av_pix_fmt_desc_get(outlink->format);
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zimg_image_buffer_const src_buf = { ZIMG_API_VERSION };
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zimg_image_buffer dst_buf = { ZIMG_API_VERSION };
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char buf[32];
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size_t tmp_size;
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int ret = 0, plane;
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AVFrame *out;
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
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if (!out) {
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av_frame_free(&in);
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return AVERROR(ENOMEM);
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}
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av_frame_copy_props(out, in);
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out->width = outlink->w;
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out->height = outlink->h;
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if( in->width != link->w
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|| in->height != link->h
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|| in->format != link->format
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|| s->in_colorspace != in->colorspace
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|| s->in_trc != in->color_trc
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|| s->in_primaries != in->color_primaries
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|| s->in_range != in->color_range
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|| s->out_colorspace != out->colorspace
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|| s->out_trc != out->color_trc
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|| s->out_primaries != out->color_primaries
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|| s->out_range != out->color_range) {
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snprintf(buf, sizeof(buf)-1, "%d", outlink->w);
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av_opt_set(s, "w", buf, 0);
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snprintf(buf, sizeof(buf)-1, "%d", outlink->h);
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av_opt_set(s, "h", buf, 0);
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link->dst->inputs[0]->format = in->format;
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link->dst->inputs[0]->w = in->width;
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link->dst->inputs[0]->h = in->height;
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if ((ret = config_props(outlink)) < 0) {
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av_frame_free(&in);
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av_frame_free(&out);
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return ret;
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}
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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_graph_builder_params_default(&s->params, ZIMG_API_VERSION);
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s->params.dither_type = s->dither;
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s->params.cpu_type = ZIMG_CPU_AUTO;
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s->params.resample_filter = s->filter;
|
|
s->params.resample_filter_uv = s->filter;
|
|
|
|
s->src_format.width = in->width;
|
|
s->src_format.height = in->height;
|
|
s->src_format.subsample_w = desc->log2_chroma_w;
|
|
s->src_format.subsample_h = desc->log2_chroma_h;
|
|
s->src_format.depth = desc->comp[0].depth;
|
|
s->src_format.pixel_type = desc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
|
|
s->src_format.color_family = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_COLOR_RGB : ZIMG_COLOR_YUV;
|
|
s->src_format.matrix_coefficients = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_MATRIX_RGB : convert_matrix(in->colorspace);
|
|
s->src_format.transfer_characteristics = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_TRANSFER_UNSPECIFIED : convert_trc(in->color_trc);
|
|
s->src_format.color_primaries = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_PRIMARIES_UNSPECIFIED : convert_primaries(in->color_primaries);
|
|
s->src_format.pixel_range = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_RANGE_FULL : convert_range(in->color_range);
|
|
|
|
s->dst_format.width = out->width;
|
|
s->dst_format.height = out->height;
|
|
s->dst_format.subsample_w = odesc->log2_chroma_w;
|
|
s->dst_format.subsample_h = odesc->log2_chroma_h;
|
|
s->dst_format.depth = odesc->comp[0].depth;
|
|
s->dst_format.pixel_type = odesc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
|
|
s->dst_format.color_family = (odesc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_COLOR_RGB : ZIMG_COLOR_YUV;
|
|
s->dst_format.matrix_coefficients = (odesc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_MATRIX_RGB : s->colorspace == -1 ? convert_matrix(out->colorspace) : s->colorspace;
|
|
s->dst_format.transfer_characteristics = (odesc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_TRANSFER_UNSPECIFIED : s->trc == -1 ? convert_trc(out->color_trc) : s->trc;
|
|
s->dst_format.color_primaries = (odesc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_PRIMARIES_UNSPECIFIED : s->primaries == -1 ? convert_primaries(out->color_primaries) : s->primaries;
|
|
s->dst_format.pixel_range = (odesc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_RANGE_FULL : s->range == -1 ? convert_range(out->color_range) : s->range;
|
|
|
|
if (s->colorspace != -1)
|
|
out->colorspace = (int)s->dst_format.matrix_coefficients;
|
|
|
|
if (s->primaries != -1)
|
|
out->color_primaries = (int)s->dst_format.color_primaries;
|
|
|
|
if (s->range != -1)
|
|
out->color_range = (int)s->dst_format.pixel_range + 1;
|
|
|
|
if (s->trc != -1)
|
|
out->color_trc = (int)s->dst_format.transfer_characteristics;
|
|
|
|
zimg_filter_graph_free(s->graph);
|
|
s->graph = zimg_filter_graph_build(&s->src_format, &s->dst_format, &s->params);
|
|
if (!s->graph) {
|
|
ret = print_zimg_error(link->dst);
|
|
goto fail;
|
|
}
|
|
|
|
if ((ret = zimg_filter_graph_get_tmp_size(s->graph, &tmp_size))) {
|
|
ret = print_zimg_error(link->dst);
|
|
goto fail;
|
|
}
|
|
|
|
if (tmp_size > s->tmp_size) {
|
|
av_freep(&s->tmp);
|
|
s->tmp = av_malloc(tmp_size);
|
|
if (!s->tmp) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto fail;
|
|
}
|
|
s->tmp_size = tmp_size;
|
|
}
|
|
|
|
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;
|
|
|
|
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;
|
|
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->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
|
|
s->alpha_src_format.color_family = ZIMG_COLOR_GREY;
|
|
|
|
s->alpha_dst_format.width = out->width;
|
|
s->alpha_dst_format.height = out->height;
|
|
s->alpha_dst_format.depth = odesc->comp[0].depth;
|
|
s->alpha_dst_format.pixel_type = odesc->comp[0].depth > 8 ? ZIMG_PIXEL_WORD : ZIMG_PIXEL_BYTE;
|
|
s->alpha_dst_format.color_family = ZIMG_COLOR_GREY;
|
|
|
|
zimg_filter_graph_free(s->alpha_graph);
|
|
s->alpha_graph = zimg_filter_graph_build(&s->alpha_src_format, &s->alpha_dst_format, &s->alpha_params);
|
|
if (!s->alpha_graph) {
|
|
ret = print_zimg_error(link->dst);
|
|
goto fail;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (s->colorspace != -1)
|
|
out->colorspace = (int)s->dst_format.matrix_coefficients;
|
|
|
|
if (s->primaries != -1)
|
|
out->color_primaries = (int)s->dst_format.color_primaries;
|
|
|
|
if (s->range != -1)
|
|
out->color_range = (int)s->dst_format.pixel_range;
|
|
|
|
if (s->trc != -1)
|
|
out->color_trc = (int)s->dst_format.transfer_characteristics;
|
|
|
|
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);
|
|
|
|
for (plane = 0; plane < 3; plane++) {
|
|
int p = desc->comp[plane].plane;
|
|
src_buf.plane[plane].data = in->data[p];
|
|
src_buf.plane[plane].stride = in->linesize[p];
|
|
src_buf.plane[plane].mask = -1;
|
|
|
|
p = odesc->comp[plane].plane;
|
|
dst_buf.plane[plane].data = out->data[p];
|
|
dst_buf.plane[plane].stride = out->linesize[p];
|
|
dst_buf.plane[plane].mask = -1;
|
|
}
|
|
|
|
ret = zimg_filter_graph_process(s->graph, &src_buf, &dst_buf, s->tmp, 0, 0, 0, 0);
|
|
if (ret) {
|
|
print_zimg_error(link->dst);
|
|
goto fail;
|
|
}
|
|
|
|
if (desc->flags & AV_PIX_FMT_FLAG_ALPHA && odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
|
|
src_buf.plane[0].data = in->data[3];
|
|
src_buf.plane[0].stride = in->linesize[3];
|
|
src_buf.plane[0].mask = -1;
|
|
|
|
dst_buf.plane[0].data = out->data[3];
|
|
dst_buf.plane[0].stride = out->linesize[3];
|
|
dst_buf.plane[0].mask = -1;
|
|
|
|
ret = zimg_filter_graph_process(s->alpha_graph, &src_buf, &dst_buf, s->tmp, 0, 0, 0, 0);
|
|
if (ret) {
|
|
print_zimg_error(link->dst);
|
|
goto fail;
|
|
}
|
|
} else if (odesc->flags & AV_PIX_FMT_FLAG_ALPHA) {
|
|
int y;
|
|
|
|
for (y = 0; y < outlink->h; y++)
|
|
memset(out->data[3] + y * out->linesize[3], 0xff, outlink->w);
|
|
}
|
|
|
|
fail:
|
|
av_frame_free(&in);
|
|
if (ret) {
|
|
av_frame_free(&out);
|
|
return ret;
|
|
}
|
|
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
static void uninit(AVFilterContext *ctx)
|
|
{
|
|
ZScaleContext *s = ctx->priv;
|
|
|
|
zimg_filter_graph_free(s->graph);
|
|
av_freep(&s->tmp);
|
|
s->tmp_size = 0;
|
|
}
|
|
|
|
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
|
|
|
|
static const AVOption zscale_options[] = {
|
|
{ "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
|
|
{ "width", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
|
|
{ "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
|
|
{ "height", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, .flags = FLAGS },
|
|
{ "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" },
|
|
{ "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" },
|
|
{ "primaries", "set color primaries", OFFSET(primaries), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_PRIMARIES_2020, FLAGS, "primaries" },
|
|
{ "p", "set color primaries", OFFSET(primaries), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_PRIMARIES_2020, 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" },
|
|
{ "transfer", "set transfer characteristic", OFFSET(trc), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_TRANSFER_2020_12, FLAGS, "transfer" },
|
|
{ "t", "set transfer characteristic", OFFSET(trc), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_TRANSFER_2020_12, 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" },
|
|
{ "matrix", "set colorspace matrix", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_MATRIX_2020_CL, FLAGS, "matrix" },
|
|
{ "m", "set colorspace matrix", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_MATRIX_2020_CL, 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" },
|
|
{ "ycgco", 0, 0, AV_OPT_TYPE_CONST, {.i64 = ZIMG_MATRIX_YCGCO}, 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" },
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVClass zscale_class = {
|
|
.class_name = "zscale",
|
|
.item_name = av_default_item_name,
|
|
.option = zscale_options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
.category = AV_CLASS_CATEGORY_FILTER,
|
|
};
|
|
|
|
static const AVFilterPad avfilter_vf_zscale_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = filter_frame,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVFilterPad avfilter_vf_zscale_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = config_props,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
AVFilter ff_vf_zscale = {
|
|
.name = "zscale",
|
|
.description = NULL_IF_CONFIG_SMALL("Apply resizing, colorspace and bit depth conversion."),
|
|
.init_dict = init_dict,
|
|
.query_formats = query_formats,
|
|
.priv_size = sizeof(ZScaleContext),
|
|
.priv_class = &zscale_class,
|
|
.uninit = uninit,
|
|
.inputs = avfilter_vf_zscale_inputs,
|
|
.outputs = avfilter_vf_zscale_outputs,
|
|
.process_command = process_command,
|
|
};
|