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[FFmpeg-devel,1/2] lavfi: remove scale_vulkan filter

Message ID NYOrMAO--3-9@lynne.ee
State New
Headers show
Series [FFmpeg-devel,1/2] lavfi: remove scale_vulkan filter | expand

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Commit Message

Lynne June 20, 2023, 5:32 p.m. UTC
libplacebo is better in every way for anything involving scaling or format conversions

Patch attached.

Comments

Nicolas George June 20, 2023, 5:35 p.m. UTC | #1
Lynne (12023-06-20):
> libplacebo is better in every way for anything involving scaling or format conversions

Is libplacebo considered a system library?

Are scaling and format conversions not considered essential parts of
FFmpeg's task?

Regards,
Niklas Haas June 20, 2023, 9:58 p.m. UTC | #2
On Tue, 20 Jun 2023 19:32:28 +0200 Lynne <dev@lynne.ee> wrote:
> libplacebo is better in every way for anything involving scaling or format conversions

Hi,

vf_libplacebo always goes through internal RGB conversion, even for no-op.
scale_vulkan (ditto overlay_vulkan) can be more efficient for simple YCbCr
frames.

I would rather replace scale_vulkan's implementation by pl_scale_* calls if you
want to go this route.
Lynne June 20, 2023, 10:12 p.m. UTC | #3
Jun 20, 2023, 23:58 by ffmpeg@haasn.xyz:

> On Tue, 20 Jun 2023 19:32:28 +0200 Lynne <dev@lynne.ee> wrote:
>
>> libplacebo is better in every way for anything involving scaling or format conversions
>>
>
> Hi,
>
> vf_libplacebo always goes through internal RGB conversion, even for no-op.
> scale_vulkan (ditto overlay_vulkan) can be more efficient for simple YCbCr
> frames.
>
> I would rather replace scale_vulkan's implementation by pl_scale_* calls if you
> want to go this route.
>

I suppose I'll fix them up a little and leave them in, with
a note in the docs.
overlay_vulkan does work, but scale_vulkan is currently
broken for yuv420p (444 works oddly).
diff mbox series

Patch

From 146e753f3e618cb986c2649f0776f66e99098dea Mon Sep 17 00:00:00 2001
From: Lynne <dev@lynne.ee>
Date: Tue, 20 Jun 2023 18:56:26 +0200
Subject: [PATCH 1/2] lavfi: remove scale_vulkan filter

libplacebo is better in every way for anything involving scaling or format conversions
---
 configure                     |   1 -
 libavfilter/Makefile          |   1 -
 libavfilter/allfilters.c      |   1 -
 libavfilter/vf_scale_vulkan.c | 419 ----------------------------------
 4 files changed, 422 deletions(-)
 delete mode 100644 libavfilter/vf_scale_vulkan.c

diff --git a/configure b/configure
index ed9efad985..81ec58bacd 100755
--- a/configure
+++ b/configure
@@ -3831,7 +3831,6 @@  zmq_filter_deps="libzmq"
 zoompan_filter_deps="swscale"
 zscale_filter_deps="libzimg const_nan"
 scale_vaapi_filter_deps="vaapi"
-scale_vulkan_filter_deps="vulkan spirv_compiler"
 vpp_qsv_filter_deps="libmfx"
 vpp_qsv_filter_select="qsvvpp"
 xfade_opencl_filter_deps="opencl"
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index 9b7813575a..62e98bbb09 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -457,7 +457,6 @@  OBJS-$(CONFIG_SCALE_CUDA_FILTER)             += vf_scale_cuda.o scale_eval.o \
 OBJS-$(CONFIG_SCALE_NPP_FILTER)              += vf_scale_npp.o scale_eval.o
 OBJS-$(CONFIG_SCALE_QSV_FILTER)              += vf_vpp_qsv.o
 OBJS-$(CONFIG_SCALE_VAAPI_FILTER)            += vf_scale_vaapi.o scale_eval.o vaapi_vpp.o
-OBJS-$(CONFIG_SCALE_VULKAN_FILTER)           += vf_scale_vulkan.o vulkan.o vulkan_filter.o
 OBJS-$(CONFIG_SCALE2REF_FILTER)              += vf_scale.o scale_eval.o
 OBJS-$(CONFIG_SCALE2REF_NPP_FILTER)          += vf_scale_npp.o scale_eval.o
 OBJS-$(CONFIG_SCDET_FILTER)                  += vf_scdet.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 9a7fadc58d..eeb014248b 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -427,7 +427,6 @@  extern const AVFilter ff_vf_scale_cuda;
 extern const AVFilter ff_vf_scale_npp;
 extern const AVFilter ff_vf_scale_qsv;
 extern const AVFilter ff_vf_scale_vaapi;
-extern const AVFilter ff_vf_scale_vulkan;
 extern const AVFilter ff_vf_scale2ref;
 extern const AVFilter ff_vf_scale2ref_npp;
 extern const AVFilter ff_vf_scdet;
diff --git a/libavfilter/vf_scale_vulkan.c b/libavfilter/vf_scale_vulkan.c
deleted file mode 100644
index 3029cf2b42..0000000000
--- a/libavfilter/vf_scale_vulkan.c
+++ /dev/null
@@ -1,419 +0,0 @@ 
-/*
- * Copyright (c) Lynne
- *
- * 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
- */
-
-#include "libavutil/random_seed.h"
-#include "libavutil/opt.h"
-#include "vulkan_filter.h"
-#include "vulkan_spirv.h"
-#include "scale_eval.h"
-#include "internal.h"
-#include "colorspace.h"
-
-enum ScalerFunc {
-    F_BILINEAR = 0,
-    F_NEAREST,
-
-    F_NB,
-};
-
-typedef struct ScaleVulkanContext {
-    FFVulkanContext vkctx;
-
-    int initialized;
-    FFVulkanPipeline pl;
-    FFVkExecPool e;
-    FFVkQueueFamilyCtx qf;
-    FFVkSPIRVShader shd;
-    VkSampler sampler;
-
-    /* Push constants / options */
-    struct {
-        float yuv_matrix[4][4];
-    } opts;
-
-    char *out_format_string;
-    char *w_expr;
-    char *h_expr;
-
-    enum ScalerFunc scaler;
-    enum AVColorRange out_range;
-} ScaleVulkanContext;
-
-static const char scale_bilinear[] = {
-    C(0, vec4 scale_bilinear(int idx, ivec2 pos, vec2 crop_range, vec2 crop_off))
-    C(0, {                                                                      )
-    C(1,     vec2 npos = (vec2(pos) + 0.5f) / imageSize(output_img[idx]);       )
-    C(1,     npos *= crop_range;    /* Reduce the range */                      )
-    C(1,     npos += crop_off;      /* Offset the start */                      )
-    C(1,     return texture(input_img[idx], npos);                              )
-    C(0, }                                                                      )
-};
-
-static const char rgb2yuv[] = {
-    C(0, vec4 rgb2yuv(vec4 src, int fullrange)                                  )
-    C(0, {                                                                      )
-    C(1,     src *= yuv_matrix;                                                 )
-    C(1,     if (fullrange == 1) {                                              )
-    C(2,         src += vec4(0.0, 0.5, 0.5, 0.0);                               )
-    C(1,     } else {                                                           )
-    C(2,         src *= vec4(219.0 / 255.0, 224.0 / 255.0, 224.0 / 255.0, 1.0); )
-    C(2,         src += vec4(16.0 / 255.0, 128.0 / 255.0, 128.0 / 255.0, 0.0);  )
-    C(1,     }                                                                  )
-    C(1,     return src;                                                        )
-    C(0, }                                                                      )
-};
-
-static const char write_nv12[] = {
-    C(0, void write_nv12(vec4 src, ivec2 pos)                                   )
-    C(0, {                                                                      )
-    C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
-    C(1,     pos /= ivec2(2);                                                   )
-    C(1,     imageStore(output_img[1], pos, vec4(src.g, src.b, 0.0, 0.0));      )
-    C(0, }                                                                      )
-};
-
-static const char write_420[] = {
-    C(0, void write_420(vec4 src, ivec2 pos)                                    )
-    C(0, {                                                                      )
-    C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
-    C(1,     pos /= ivec2(2);                                                   )
-    C(1,     imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0));        )
-    C(1,     imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0));        )
-    C(0, }                                                                      )
-};
-
-static const char write_444[] = {
-    C(0, void write_444(vec4 src, ivec2 pos)                                    )
-    C(0, {                                                                      )
-    C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
-    C(1,     imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0));        )
-    C(1,     imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0));        )
-    C(0, }                                                                      )
-};
-
-static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in)
-{
-    int err;
-    uint8_t *spv_data;
-    size_t spv_len;
-    void *spv_opaque = NULL;
-    VkFilter sampler_mode;
-    ScaleVulkanContext *s = ctx->priv;
-    FFVulkanContext *vkctx = &s->vkctx;
-    FFVkSPIRVShader *shd = &s->shd;
-    FFVkSPIRVCompiler *spv;
-    FFVulkanDescriptorSetBinding *desc;
-
-    int crop_x = in->crop_left;
-    int crop_y = in->crop_top;
-    int crop_w = in->width - (in->crop_left + in->crop_right);
-    int crop_h = in->height - (in->crop_top + in->crop_bottom);
-    int in_planes = av_pix_fmt_count_planes(s->vkctx.input_format);
-
-    switch (s->scaler) {
-    case F_NEAREST:
-        sampler_mode = VK_FILTER_NEAREST;
-        break;
-    case F_BILINEAR:
-        sampler_mode = VK_FILTER_LINEAR;
-        break;
-    };
-
-    spv = ff_vk_spirv_init();
-    if (!spv) {
-        av_log(ctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n");
-        return AVERROR_EXTERNAL;
-    }
-
-    ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT);
-    RET(ff_vk_exec_pool_init(vkctx, &s->qf, &s->e, s->qf.nb_queues*4, 0, 0, 0, NULL));
-    RET(ff_vk_init_sampler(vkctx, &s->sampler, 0, sampler_mode));
-    RET(ff_vk_shader_init(&s->pl, &s->shd, "scale_compute",
-                          VK_SHADER_STAGE_COMPUTE_BIT, 0));
-
-    ff_vk_shader_set_compute_sizes(&s->shd, 32, 32, 1);
-
-    GLSLC(0, layout(push_constant, std430) uniform pushConstants {        );
-    GLSLC(1,    mat4 yuv_matrix;                                          );
-    GLSLC(0, };                                                           );
-    GLSLC(0,                                                              );
-
-    ff_vk_add_push_constant(&s->pl, 0, sizeof(s->opts),
-                            VK_SHADER_STAGE_COMPUTE_BIT);
-
-    desc = (FFVulkanDescriptorSetBinding []) {
-        {
-            .name       = "input_img",
-            .type       = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
-            .dimensions = 2,
-            .elems      = in_planes,
-            .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
-            .samplers   = DUP_SAMPLER(s->sampler),
-        },
-        {
-            .name       = "output_img",
-            .type       = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
-            .mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format),
-            .mem_quali  = "writeonly",
-            .dimensions = 2,
-            .elems      = av_pix_fmt_count_planes(s->vkctx.output_format),
-            .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
-        },
-    };
-
-    RET(ff_vk_pipeline_descriptor_set_add(vkctx, &s->pl, shd, desc, 2, 0, 0));
-
-    GLSLD(   scale_bilinear                                                  );
-
-    if (s->vkctx.output_format != s->vkctx.input_format) {
-        GLSLD(   rgb2yuv                                                     );
-    }
-
-    switch (s->vkctx.output_format) {
-    case AV_PIX_FMT_NV12:    GLSLD(write_nv12); break;
-    case AV_PIX_FMT_YUV420P: GLSLD( write_420); break;
-    case AV_PIX_FMT_YUV444P: GLSLD( write_444); break;
-    default: break;
-    }
-
-    GLSLC(0, void main()                                                     );
-    GLSLC(0, {                                                               );
-    GLSLC(1,     ivec2 size;                                                 );
-    GLSLC(1,     ivec2 pos = ivec2(gl_GlobalInvocationID.xy);                );
-    GLSLF(1,     vec2 in_d = vec2(%i, %i);             ,in->width, in->height);
-    GLSLF(1,     vec2 c_r = vec2(%i, %i) / in_d;              ,crop_w, crop_h);
-    GLSLF(1,     vec2 c_o = vec2(%i, %i) / in_d;               ,crop_x,crop_y);
-    GLSLC(0,                                                                 );
-
-    if (s->vkctx.output_format == s->vkctx.input_format) {
-        for (int i = 0; i < desc[i].elems; i++) {
-            GLSLF(1,  size = imageSize(output_img[%i]);                    ,i);
-            GLSLC(1,  if (IS_WITHIN(pos, size)) {                            );
-            switch (s->scaler) {
-            case F_NEAREST:
-            case F_BILINEAR:
-                GLSLF(2, vec4 res = scale_bilinear(%i, pos, c_r, c_o);     ,i);
-                GLSLF(2, imageStore(output_img[%i], pos, res);             ,i);
-                break;
-            };
-            GLSLC(1, }                                                       );
-        }
-    } else {
-        GLSLC(1, vec4 res = scale_bilinear(0, pos, c_r, c_o);                );
-        GLSLF(1, res = rgb2yuv(res, %i);    ,s->out_range == AVCOL_RANGE_JPEG);
-        switch (s->vkctx.output_format) {
-        case AV_PIX_FMT_NV12:    GLSLC(1, write_nv12(res, pos); ); break;
-        case AV_PIX_FMT_YUV420P: GLSLC(1,  write_420(res, pos); ); break;
-        case AV_PIX_FMT_YUV444P: GLSLC(1,  write_444(res, pos); ); break;
-        default: return AVERROR(EINVAL);
-        }
-    }
-
-    GLSLC(0, }                                                               );
-
-    if (s->vkctx.output_format != s->vkctx.input_format) {
-        const AVLumaCoefficients *lcoeffs;
-        double tmp_mat[3][3];
-
-        lcoeffs = av_csp_luma_coeffs_from_avcsp(in->colorspace);
-        if (!lcoeffs) {
-            av_log(ctx, AV_LOG_ERROR, "Unsupported colorspace\n");
-            return AVERROR(EINVAL);
-        }
-
-        ff_fill_rgb2yuv_table(lcoeffs, tmp_mat);
-
-        for (int y = 0; y < 3; y++)
-            for (int x = 0; x < 3; x++)
-                s->opts.yuv_matrix[x][y] = tmp_mat[x][y];
-        s->opts.yuv_matrix[3][3] = 1.0;
-    }
-
-    RET(spv->compile_shader(spv, ctx, shd, &spv_data, &spv_len, "main",
-                            &spv_opaque));
-    RET(ff_vk_shader_create(vkctx, shd, spv_data, spv_len, "main"));
-
-    RET(ff_vk_init_compute_pipeline(vkctx, &s->pl, shd));
-    RET(ff_vk_exec_pipeline_register(vkctx, &s->e, &s->pl));
-
-    s->initialized = 1;
-
-    return 0;
-
-fail:
-    if (spv_opaque)
-        spv->free_shader(spv, &spv_opaque);
-    if (spv)
-        spv->uninit(&spv);
-
-    return err;
-}
-
-static int scale_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
-{
-    int err;
-    AVFilterContext *ctx = link->dst;
-    ScaleVulkanContext *s = ctx->priv;
-    AVFilterLink *outlink = ctx->outputs[0];
-
-    AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
-    if (!out) {
-        err = AVERROR(ENOMEM);
-        goto fail;
-    }
-
-    if (!s->initialized)
-        RET(init_filter(ctx, in));
-
-    RET(ff_vk_filter_process_simple(&s->vkctx, &s->e, &s->pl, out, in,
-                                    s->sampler, &s->opts, sizeof(s->opts)));
-
-    err = av_frame_copy_props(out, in);
-    if (err < 0)
-        goto fail;
-
-    if (s->out_range != AVCOL_RANGE_UNSPECIFIED)
-        out->color_range = s->out_range;
-    if (s->vkctx.output_format != s->vkctx.input_format)
-        out->chroma_location = AVCHROMA_LOC_TOPLEFT;
-
-    av_frame_free(&in);
-
-    return ff_filter_frame(outlink, out);
-
-fail:
-    av_frame_free(&in);
-    av_frame_free(&out);
-    return err;
-}
-
-static int scale_vulkan_config_output(AVFilterLink *outlink)
-{
-    int err;
-    AVFilterContext *avctx = outlink->src;
-    ScaleVulkanContext *s  = avctx->priv;
-    FFVulkanContext *vkctx = &s->vkctx;
-    AVFilterLink *inlink   = outlink->src->inputs[0];
-
-    err = ff_scale_eval_dimensions(s, s->w_expr, s->h_expr, inlink, outlink,
-                                   &vkctx->output_width,
-                                   &vkctx->output_height);
-    if (err < 0)
-        return err;
-
-    if (s->out_format_string) {
-        s->vkctx.output_format = av_get_pix_fmt(s->out_format_string);
-        if (s->vkctx.output_format == AV_PIX_FMT_NONE) {
-            av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n");
-            return AVERROR(EINVAL);
-        }
-    } else {
-        s->vkctx.output_format = s->vkctx.input_format;
-    }
-
-    if (s->vkctx.output_format != s->vkctx.input_format) {
-        if (!ff_vk_mt_is_np_rgb(s->vkctx.input_format)) {
-            av_log(avctx, AV_LOG_ERROR, "Unsupported input format for conversion\n");
-            return AVERROR(EINVAL);
-        }
-        if (s->vkctx.output_format != AV_PIX_FMT_NV12 &&
-            s->vkctx.output_format != AV_PIX_FMT_YUV420P &&
-            s->vkctx.output_format != AV_PIX_FMT_YUV444P) {
-            av_log(avctx, AV_LOG_ERROR, "Unsupported output format\n");
-            return AVERROR(EINVAL);
-        }
-    } else if (s->out_range != AVCOL_RANGE_UNSPECIFIED) {
-        av_log(avctx, AV_LOG_ERROR, "Cannot change range without converting format\n");
-        return AVERROR(EINVAL);
-    }
-
-    return ff_vk_filter_config_output(outlink);
-}
-
-static void scale_vulkan_uninit(AVFilterContext *avctx)
-{
-    ScaleVulkanContext *s = avctx->priv;
-    FFVulkanContext *vkctx = &s->vkctx;
-    FFVulkanFunctions *vk = &vkctx->vkfn;
-
-    ff_vk_exec_pool_free(vkctx, &s->e);
-    ff_vk_pipeline_free(vkctx, &s->pl);
-    ff_vk_shader_free(vkctx, &s->shd);
-
-    if (s->sampler)
-        vk->DestroySampler(vkctx->hwctx->act_dev, s->sampler,
-                           vkctx->hwctx->alloc);
-
-    ff_vk_uninit(&s->vkctx);
-
-    s->initialized = 0;
-}
-
-#define OFFSET(x) offsetof(ScaleVulkanContext, x)
-#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
-static const AVOption scale_vulkan_options[] = {
-    { "w", "Output video width",  OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
-    { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
-    { "scaler", "Scaler function", OFFSET(scaler), AV_OPT_TYPE_INT, {.i64 = F_BILINEAR}, 0, F_NB, .flags = FLAGS, "scaler" },
-        { "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, "scaler" },
-        { "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, "scaler" },
-    { "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
-    { "out_range", "Output colour range (from 0 to 2) (default 0)", OFFSET(out_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED}, AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_JPEG, .flags = FLAGS, "range" },
-        { "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
-        { "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
-        { "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
-        { "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
-        { "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
-        { "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
-    { NULL },
-};
-
-AVFILTER_DEFINE_CLASS(scale_vulkan);
-
-static const AVFilterPad scale_vulkan_inputs[] = {
-    {
-        .name         = "default",
-        .type         = AVMEDIA_TYPE_VIDEO,
-        .filter_frame = &scale_vulkan_filter_frame,
-        .config_props = &ff_vk_filter_config_input,
-    },
-};
-
-static const AVFilterPad scale_vulkan_outputs[] = {
-    {
-        .name = "default",
-        .type = AVMEDIA_TYPE_VIDEO,
-        .config_props = &scale_vulkan_config_output,
-    },
-};
-
-const AVFilter ff_vf_scale_vulkan = {
-    .name           = "scale_vulkan",
-    .description    = NULL_IF_CONFIG_SMALL("Scale Vulkan frames"),
-    .priv_size      = sizeof(ScaleVulkanContext),
-    .init           = &ff_vk_filter_init,
-    .uninit         = &scale_vulkan_uninit,
-    FILTER_INPUTS(scale_vulkan_inputs),
-    FILTER_OUTPUTS(scale_vulkan_outputs),
-    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
-    .priv_class     = &scale_vulkan_class,
-    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
-    .flags          = AVFILTER_FLAG_HWDEVICE,
-};
-- 
2.40.1