| /* |
| * Copyright (c) 2015 Paul B Mahol |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * zscale video filter using z.lib library |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <zimg.h> |
| |
| #include "avfilter.h" |
| #include "formats.h" |
| #include "internal.h" |
| #include "video.h" |
| #include "libavutil/avstring.h" |
| #include "libavutil/eval.h" |
| #include "libavutil/internal.h" |
| #include "libavutil/mathematics.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/parseutils.h" |
| #include "libavutil/pixdesc.h" |
| #include "libavutil/imgutils.h" |
| #include "libavutil/avassert.h" |
| |
| static const char *const var_names[] = { |
| "in_w", "iw", |
| "in_h", "ih", |
| "out_w", "ow", |
| "out_h", "oh", |
| "a", |
| "sar", |
| "dar", |
| "hsub", |
| "vsub", |
| "ohsub", |
| "ovsub", |
| NULL |
| }; |
| |
| enum var_name { |
| VAR_IN_W, VAR_IW, |
| VAR_IN_H, VAR_IH, |
| VAR_OUT_W, VAR_OW, |
| VAR_OUT_H, VAR_OH, |
| VAR_A, |
| VAR_SAR, |
| VAR_DAR, |
| VAR_HSUB, |
| VAR_VSUB, |
| VAR_OHSUB, |
| VAR_OVSUB, |
| VARS_NB |
| }; |
| |
| typedef struct ZScaleContext { |
| const AVClass *class; |
| |
| /** |
| * New dimensions. Special values are: |
| * 0 = original width/height |
| * -1 = keep original aspect |
| * -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 colorspace_in; |
| int trc_in; |
| int primaries_in; |
| int range_in; |
| char *size_str; |
| |
| char *w_expr; ///< width expression string |
| char *h_expr; ///< height expression string |
| |
| int out_h_chr_pos; |
| int out_v_chr_pos; |
| int in_h_chr_pos; |
| int in_v_chr_pos; |
| |
| int force_original_aspect_ratio; |
| |
| void *tmp; |
| size_t tmp_size; |
| |
| zimg_image_format src_format, dst_format; |
| zimg_image_format alpha_src_format, alpha_dst_format; |
| zimg_graph_builder_params alpha_params, params; |
| zimg_filter_graph *alpha_graph, *graph; |
| |
| enum AVColorSpace in_colorspace, out_colorspace; |
| enum AVColorTransferCharacteristic in_trc, out_trc; |
| enum AVColorPrimaries in_primaries, out_primaries; |
| enum AVColorRange in_range, out_range; |
| } ZScaleContext; |
| |
| static av_cold int init_dict(AVFilterContext *ctx, AVDictionary **opts) |
| { |
| ZScaleContext *s = ctx->priv; |
| int ret; |
| |
| if (s->size_str && (s->w_expr || s->h_expr)) { |
| av_log(ctx, AV_LOG_ERROR, |
| "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) { |
| av_log(ctx, AV_LOG_ERROR, |
| "Invalid size '%s'\n", s->size_str); |
| return ret; |
| } |
| snprintf(buf, sizeof(buf)-1, "%d", s->w); |
| av_opt_set(s, "w", buf, 0); |
| snprintf(buf, sizeof(buf)-1, "%d", s->h); |
| av_opt_set(s, "h", buf, 0); |
| } |
| if (!s->w_expr) |
| av_opt_set(s, "w", "iw", 0); |
| if (!s->h_expr) |
| av_opt_set(s, "h", "ih", 0); |
| |
| return 0; |
| } |
| |
| static int query_formats(AVFilterContext *ctx) |
| { |
| static const enum AVPixelFormat pixel_fmts[] = { |
| AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P, |
| AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, |
| AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, |
| AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P, |
| AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P, |
| AV_PIX_FMT_YUVJ411P, |
| AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9, |
| AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, |
| AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, |
| AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, |
| AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, |
| AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P, |
| AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9, |
| AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10, |
| AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16, |
| AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
| AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16, |
| AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP16, |
| AV_PIX_FMT_NONE |
| }; |
| int ret; |
| |
| ret = ff_formats_ref(ff_make_format_list(pixel_fmts), &ctx->inputs[0]->out_formats); |
| if (ret < 0) |
| return ret; |
| return ff_formats_ref(ff_make_format_list(pixel_fmts), &ctx->outputs[0]->in_formats); |
| } |
| |
| 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; |
| |
| if (inlink->w == outlink->w && |
| inlink->h == outlink->h && |
| inlink->format == outlink->format) |
| ; |
| else { |
| } |
| |
| 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_VERBOSE, "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 err_code; |
| } |
| |
| 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_BT470BG: |
| return ZIMG_MATRIX_470BG; |
| case AVCOL_SPC_SMPTE170M: |
| return ZIMG_MATRIX_170M; |
| 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; |
| } |
| 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_SMPTE170M: |
| return ZIMG_TRANSFER_601; |
| case AVCOL_TRC_LINEAR: |
| return ZIMG_TRANSFER_LINEAR; |
| case AVCOL_TRC_BT2020_10: |
| return ZIMG_TRANSFER_2020_10; |
| case AVCOL_TRC_BT2020_12: |
| return ZIMG_TRANSFER_2020_12; |
| } |
| 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_SMPTE170M: |
| return ZIMG_PRIMARIES_170M; |
| case AVCOL_PRI_SMPTE240M: |
| return ZIMG_PRIMARIES_240M; |
| case AVCOL_PRI_BT2020: |
| return ZIMG_PRIMARIES_2020; |
| } |
| 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 int filter_frame(AVFilterLink *link, AVFrame *in) |
| { |
| ZScaleContext *s = link->dst->priv; |
| AVFilterLink *outlink = link->dst->outputs[0]; |
| const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format); |
| const AVPixFmtDescriptor *odesc = av_pix_fmt_desc_get(outlink->format); |
| zimg_image_buffer_const src_buf = { ZIMG_API_VERSION }; |
| zimg_image_buffer dst_buf = { ZIMG_API_VERSION }; |
| char buf[32]; |
| size_t tmp_size; |
| int ret = 0, plane; |
| AVFrame *out; |
| |
| out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
| if (!out) { |
| av_frame_free(&in); |
| return AVERROR(ENOMEM); |
| } |
| |
| av_frame_copy_props(out, in); |
| out->width = outlink->w; |
| out->height = outlink->h; |
| |
| if( in->width != link->w |
| || in->height != link->h |
| || in->format != link->format |
| || 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) { |
| 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; |
| |
| if ((ret = config_props(outlink)) < 0) { |
| av_frame_free(&in); |
| av_frame_free(&out); |
| return ret; |
| } |
| |
| 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); |
| |
| s->params.dither_type = s->dither; |
| s->params.cpu_type = ZIMG_CPU_AUTO; |
| 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 : s->colorspace_in == -1 ? convert_matrix(in->colorspace) : s->colorspace_in; |
| s->src_format.transfer_characteristics = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_TRANSFER_UNSPECIFIED : s->trc_in == - 1 ? convert_trc(in->color_trc) : s->trc_in; |
| s->src_format.color_primaries = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_PRIMARIES_UNSPECIFIED : s->primaries_in == -1 ? convert_primaries(in->color_primaries) : s->primaries_in; |
| s->src_format.pixel_range = (desc->flags & AV_PIX_FMT_FLAG_RGB) ? ZIMG_RANGE_FULL : s->range_in == -1 ? convert_range(in->color_range) : s->range_in; |
| |
| 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" }, |
| { "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, ZIMG_PRIMARIES_2020, FLAGS, "primaries" }, |
| { "pin", "set input color primaries", OFFSET(primaries_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_PRIMARIES_2020, FLAGS, "primaries" }, |
| { "transferin", "set input transfer characteristic", OFFSET(trc_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_TRANSFER_2020_12, FLAGS, "transfer" }, |
| { "tin", "set input transfer characteristic", OFFSET(trc_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_TRANSFER_2020_12, FLAGS, "transfer" }, |
| { "matrixin", "set input colorspace matrix", OFFSET(colorspace_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_MATRIX_2020_CL, FLAGS, "matrix" }, |
| { "min", "set input colorspace matrix", OFFSET(colorspace_in), AV_OPT_TYPE_INT, {.i64 = -1}, -1, ZIMG_MATRIX_2020_CL, 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, |
| }; |
