2021-11-16 07:35:24 +00:00
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/*
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2022-01-10 07:53:22 +00:00
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* copyright (c) 2021-2022 Wu Jianhua <jianhua.wu@intel.com>
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2023-02-17 02:12:55 +00:00
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* Copyright (c) Lynne
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*
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2021-11-16 07:35:24 +00:00
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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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#include "libavutil/random_seed.h"
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#include "libavutil/opt.h"
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lavfi/vulkan: split off lavfi-specific code into vulkan_filter.c
The issue is that libavfilter depends on libavcodec, and when doing a
static build, if libavcodec also includes "libavfilter/vulkan.c", then
during link-time, compiling programs will fail as there would be multiple
definitions of the same symbols in both libavfilter and libavcodec's
object files.
Linkers are, however, more permitting if both files that include
a common file that's used as a template are one-to-one identical.
Hence, to make both files the same in the future, export all avfilter
specific functions to a separate file.
There is some work in progress to make templated files like this be
compiled only once, so this is not a long-term solution.
This also removes a macro that could be used to toggle SPIRV compilation
capability on #include-time, as this could cause the files to be different.
2021-11-19 14:13:35 +00:00
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#include "vulkan_filter.h"
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2023-02-17 02:12:55 +00:00
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#include "vulkan_spirv.h"
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2021-11-16 07:35:24 +00:00
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#include "internal.h"
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2023-08-03 11:03:17 +00:00
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#include "video.h"
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2021-11-16 07:35:24 +00:00
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#define CGS 32
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#define GBLUR_MAX_KERNEL_SIZE 127
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typedef struct GBlurVulkanContext {
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FFVulkanContext vkctx;
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int initialized;
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2023-02-17 02:12:55 +00:00
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FFVkExecPool e;
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FFVkQueueFamilyCtx qf;
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VkSampler sampler;
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FFVulkanPipeline pl_hor;
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FFVkSPIRVShader shd_hor;
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FFVkBuffer params_hor;
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FFVulkanPipeline pl_ver;
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FFVkSPIRVShader shd_ver;
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FFVkBuffer params_ver;
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2021-11-16 07:35:24 +00:00
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int size;
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2022-01-10 07:53:22 +00:00
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int sizeV;
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2021-11-16 07:35:24 +00:00
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int planes;
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float sigma;
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float sigmaV;
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} GBlurVulkanContext;
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2022-01-10 07:53:22 +00:00
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static const char gblur_func[] = {
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C(0, void gblur(const ivec2 pos, const int index) )
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C(0, { )
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C(1, vec4 sum = texture(input_images[index], pos) * kernel[0]; )
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C(0, )
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C(1, for(int i = 1; i < kernel.length(); i++) { )
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C(2, sum += texture(input_images[index], pos + OFFSET) * kernel[i]; )
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C(2, sum += texture(input_images[index], pos - OFFSET) * kernel[i]; )
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C(1, } )
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C(0, )
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C(1, imageStore(output_images[index], pos, sum); )
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C(0, } )
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2021-11-16 07:35:24 +00:00
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};
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static inline float gaussian(float sigma, float x)
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{
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return 1.0 / (sqrt(2.0 * M_PI) * sigma) *
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exp(-(x * x) / (2.0 * sigma * sigma));
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}
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static inline float gaussian_simpson_integration(float sigma, float a, float b)
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{
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return (b - a) * (1.0 / 6.0) * ((gaussian(sigma, a) +
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4.0 * gaussian(sigma, (a + b) * 0.5) + gaussian(sigma, b)));
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}
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static void init_gaussian_kernel(float *kernel, float sigma, float kernel_size)
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{
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int x;
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float sum;
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sum = 0;
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for (x = 0; x < kernel_size; x++) {
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kernel[x] = gaussian_simpson_integration(sigma, x - 0.5f, x + 0.5f);
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if (!x)
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sum += kernel[x];
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else
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sum += kernel[x] * 2.0;
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}
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/* Normalized */
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sum = 1.0 / sum;
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for (x = 0; x < kernel_size; x++) {
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kernel[x] *= sum;
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}
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}
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2022-01-10 07:53:22 +00:00
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static inline void init_kernel_size(GBlurVulkanContext *s, int *out_size)
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2021-11-16 07:35:24 +00:00
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{
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2022-01-10 07:53:22 +00:00
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int size = *out_size;
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if (!(size & 1)) {
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av_log(s, AV_LOG_WARNING, "The kernel size should be odd\n");
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size++;
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2021-11-16 07:35:24 +00:00
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}
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2022-01-10 07:53:22 +00:00
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*out_size = (size >> 1) + 1;
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}
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static av_cold void init_gaussian_params(GBlurVulkanContext *s)
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{
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2021-11-16 07:35:24 +00:00
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if (s->sigmaV <= 0)
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s->sigmaV = s->sigma;
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2022-01-10 07:53:22 +00:00
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init_kernel_size(s, &s->size);
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if (s->sizeV <= 0)
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s->sizeV = s->size;
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else
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init_kernel_size(s, &s->sizeV);
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2021-11-16 07:35:24 +00:00
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}
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2023-02-17 02:12:55 +00:00
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static int init_gblur_pipeline(GBlurVulkanContext *s, FFVulkanPipeline *pl,
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FFVkSPIRVShader *shd, FFVkBuffer *params_buf,
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int ksize, float sigma, FFVkSPIRVCompiler *spv)
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2021-11-16 07:35:24 +00:00
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{
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2021-11-17 05:04:54 +00:00
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int err = 0;
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2021-11-16 07:35:24 +00:00
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uint8_t *kernel_mapped;
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2023-02-17 02:12:55 +00:00
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uint8_t *spv_data;
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size_t spv_len;
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void *spv_opaque = NULL;
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2022-01-10 07:53:22 +00:00
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const int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
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FFVulkanDescriptorSetBinding buf_desc = {
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.name = "data",
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.type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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.mem_quali = "readonly",
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.mem_layout = "std430",
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.stages = VK_SHADER_STAGE_COMPUTE_BIT,
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.buf_content = NULL,
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};
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char *kernel_def = av_asprintf("float kernel[%i];", ksize);
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if (!kernel_def)
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return AVERROR(ENOMEM);
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buf_desc.buf_content = kernel_def;
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2023-02-17 02:12:55 +00:00
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RET(ff_vk_pipeline_descriptor_set_add(&s->vkctx, pl, shd, &buf_desc, 1, 1, 0));
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2022-01-10 07:53:22 +00:00
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GLSLD( gblur_func );
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GLSLC(0, void main() );
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GLSLC(0, { );
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GLSLC(1, ivec2 size; );
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GLSLC(1, const ivec2 pos = ivec2(gl_GlobalInvocationID.xy); );
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for (int i = 0; i < planes; i++) {
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GLSLC(0, );
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2023-02-17 02:12:55 +00:00
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GLSLF(1, size = imageSize(output_images[%i]); ,i);
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GLSLC(1, if (!IS_WITHIN(pos, size)) );
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GLSLC(2, return; );
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2022-01-10 07:53:22 +00:00
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if (s->planes & (1 << i)) {
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2023-02-17 02:12:55 +00:00
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GLSLF(1, gblur(pos, %i); ,i);
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2022-01-10 07:53:22 +00:00
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} else {
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2023-02-17 02:12:55 +00:00
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GLSLF(1, vec4 res = texture(input_images[%i], pos); ,i);
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GLSLF(1, imageStore(output_images[%i], pos, res); ,i);
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2022-01-10 07:53:22 +00:00
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}
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}
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GLSLC(0, } );
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2023-02-17 02:12:55 +00:00
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RET(spv->compile_shader(spv, s, shd, &spv_data, &spv_len, "main",
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&spv_opaque));
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RET(ff_vk_shader_create(&s->vkctx, shd, spv_data, spv_len, "main"));
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2022-01-10 07:53:22 +00:00
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2023-02-17 02:12:55 +00:00
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RET(ff_vk_init_compute_pipeline(&s->vkctx, pl, shd));
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RET(ff_vk_exec_pipeline_register(&s->vkctx, &s->e, pl));
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2022-01-10 07:53:22 +00:00
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2022-12-15 16:43:27 +00:00
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RET(ff_vk_create_buf(&s->vkctx, params_buf, sizeof(float) * ksize, NULL, NULL,
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2023-02-17 02:12:55 +00:00
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VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT |
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VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT));
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RET(ff_vk_map_buffer(&s->vkctx, params_buf, &kernel_mapped, 0));
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2022-01-10 07:53:22 +00:00
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init_gaussian_kernel((float *)kernel_mapped, sigma, ksize);
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2023-02-17 02:12:55 +00:00
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RET(ff_vk_unmap_buffer(&s->vkctx, params_buf, 1));
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2022-01-10 07:53:22 +00:00
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2023-02-17 02:12:55 +00:00
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RET(ff_vk_set_descriptor_buffer(&s->vkctx, pl, NULL, 1, 0, 0,
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params_buf->address, params_buf->size,
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VK_FORMAT_UNDEFINED));
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2022-01-10 07:53:22 +00:00
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fail:
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av_free(kernel_def);
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2023-02-17 02:12:55 +00:00
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if (spv_opaque)
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spv->free_shader(spv, &spv_opaque);
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2022-01-10 07:53:22 +00:00
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return err;
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}
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static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in)
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{
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int err = 0;
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2021-11-16 07:35:24 +00:00
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GBlurVulkanContext *s = ctx->priv;
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2023-02-17 02:12:55 +00:00
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FFVulkanContext *vkctx = &s->vkctx;
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2021-11-16 07:35:24 +00:00
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const int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
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2023-02-17 02:12:55 +00:00
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FFVkSPIRVShader *shd;
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FFVkSPIRVCompiler *spv;
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FFVulkanDescriptorSetBinding *desc;
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spv = ff_vk_spirv_init();
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if (!spv) {
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av_log(ctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n");
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return AVERROR_EXTERNAL;
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}
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ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT);
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RET(ff_vk_exec_pool_init(vkctx, &s->qf, &s->e, s->qf.nb_queues*4, 0, 0, 0, NULL));
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RET(ff_vk_init_sampler(vkctx, &s->sampler, 1, VK_FILTER_LINEAR));
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RET(ff_vk_shader_init(&s->pl_hor, &s->shd_hor, "gblur_hor_compute",
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VK_SHADER_STAGE_COMPUTE_BIT, 0));
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RET(ff_vk_shader_init(&s->pl_ver, &s->shd_ver, "gblur_ver_compute",
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VK_SHADER_STAGE_COMPUTE_BIT, 0));
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desc = (FFVulkanDescriptorSetBinding []) {
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2021-11-16 07:35:24 +00:00
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{
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2022-01-10 07:53:22 +00:00
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.name = "input_images",
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2021-11-16 07:35:24 +00:00
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.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
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.dimensions = 2,
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.elems = planes,
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.stages = VK_SHADER_STAGE_COMPUTE_BIT,
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2023-02-17 02:12:55 +00:00
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.samplers = DUP_SAMPLER(s->sampler),
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2021-11-16 07:35:24 +00:00
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},
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{
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2022-01-10 07:53:22 +00:00
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.name = "output_images",
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2021-11-16 07:35:24 +00:00
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.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
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.mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format),
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.mem_quali = "writeonly",
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.dimensions = 2,
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.elems = planes,
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.stages = VK_SHADER_STAGE_COMPUTE_BIT,
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},
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};
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init_gaussian_params(s);
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2022-01-10 07:53:22 +00:00
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{
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2023-02-17 02:12:55 +00:00
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shd = &s->shd_hor;
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ff_vk_shader_set_compute_sizes(shd, 32, 1, 1);
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2021-11-16 07:35:24 +00:00
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2023-02-17 02:12:55 +00:00
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RET(ff_vk_pipeline_descriptor_set_add(vkctx, &s->pl_hor, shd, desc, 2, 0, 0));
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2021-11-16 07:35:24 +00:00
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2022-01-10 07:53:22 +00:00
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GLSLC(0, #define OFFSET (vec2(i, 0.0)));
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2023-02-17 02:12:55 +00:00
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RET(init_gblur_pipeline(s, &s->pl_hor, shd, &s->params_hor, s->size, s->sigma, spv));
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2021-11-16 07:35:24 +00:00
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}
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2022-01-10 07:53:22 +00:00
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{
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2023-02-17 02:12:55 +00:00
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shd = &s->shd_ver;
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ff_vk_shader_set_compute_sizes(shd, 1, 32, 1);
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2021-11-16 07:35:24 +00:00
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2023-02-17 02:12:55 +00:00
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RET(ff_vk_pipeline_descriptor_set_add(vkctx, &s->pl_ver, shd, desc, 2, 0, 0));
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2021-11-16 07:35:24 +00:00
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2022-01-10 07:53:22 +00:00
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GLSLC(0, #define OFFSET (vec2(0.0, i)));
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2023-02-17 02:12:55 +00:00
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RET(init_gblur_pipeline(s, &s->pl_ver, shd, &s->params_ver, s->sizeV, s->sigmaV, spv));
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2021-11-16 07:35:24 +00:00
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}
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s->initialized = 1;
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fail:
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2023-02-17 02:12:55 +00:00
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if (spv)
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spv->uninit(&spv);
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2021-11-16 07:35:24 +00:00
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return err;
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}
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static av_cold void gblur_vulkan_uninit(AVFilterContext *avctx)
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{
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GBlurVulkanContext *s = avctx->priv;
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2023-02-17 02:12:55 +00:00
|
|
|
FFVulkanContext *vkctx = &s->vkctx;
|
|
|
|
FFVulkanFunctions *vk = &vkctx->vkfn;
|
2021-11-16 07:35:24 +00:00
|
|
|
|
2023-02-17 02:12:55 +00:00
|
|
|
ff_vk_exec_pool_free(vkctx, &s->e);
|
|
|
|
ff_vk_pipeline_free(vkctx, &s->pl_hor);
|
|
|
|
ff_vk_pipeline_free(vkctx, &s->pl_ver);
|
|
|
|
ff_vk_shader_free(vkctx, &s->shd_hor);
|
|
|
|
ff_vk_shader_free(vkctx, &s->shd_ver);
|
|
|
|
ff_vk_free_buf(vkctx, &s->params_hor);
|
|
|
|
ff_vk_free_buf(vkctx, &s->params_ver);
|
|
|
|
|
|
|
|
if (s->sampler)
|
|
|
|
vk->DestroySampler(vkctx->hwctx->act_dev, s->sampler,
|
|
|
|
vkctx->hwctx->alloc);
|
2021-11-16 07:35:24 +00:00
|
|
|
|
2021-11-19 06:46:15 +00:00
|
|
|
ff_vk_uninit(&s->vkctx);
|
2021-11-16 07:35:24 +00:00
|
|
|
|
|
|
|
s->initialized = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int gblur_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
|
|
|
|
{
|
|
|
|
int err;
|
2023-02-17 02:12:55 +00:00
|
|
|
AVFrame *tmp = NULL, *out = NULL;
|
2021-11-16 07:35:24 +00:00
|
|
|
AVFilterContext *ctx = link->dst;
|
|
|
|
GBlurVulkanContext *s = ctx->priv;
|
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
|
|
|
|
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
|
|
if (!out) {
|
|
|
|
err = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
|
|
|
}
|
|
|
|
|
2023-02-17 02:12:55 +00:00
|
|
|
tmp = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
|
|
if (!tmp) {
|
|
|
|
err = AVERROR(ENOMEM);
|
|
|
|
goto fail;
|
2021-11-16 07:35:24 +00:00
|
|
|
}
|
|
|
|
|
2023-02-17 02:12:55 +00:00
|
|
|
if (!s->initialized)
|
|
|
|
RET(init_filter(ctx, in));
|
2021-11-16 07:35:24 +00:00
|
|
|
|
2023-02-17 02:12:55 +00:00
|
|
|
RET(ff_vk_filter_process_2pass(&s->vkctx, &s->e,
|
|
|
|
(FFVulkanPipeline *[2]){ &s->pl_hor, &s->pl_ver },
|
|
|
|
out, tmp, in, s->sampler, NULL, 0));
|
|
|
|
|
|
|
|
err = av_frame_copy_props(out, in);
|
|
|
|
if (err < 0)
|
|
|
|
goto fail;
|
2021-11-16 07:35:24 +00:00
|
|
|
|
|
|
|
av_frame_free(&in);
|
2023-02-17 02:12:55 +00:00
|
|
|
av_frame_free(&tmp);
|
2021-11-16 07:35:24 +00:00
|
|
|
|
|
|
|
return ff_filter_frame(outlink, out);
|
|
|
|
|
|
|
|
fail:
|
|
|
|
av_frame_free(&in);
|
2023-02-17 02:12:55 +00:00
|
|
|
av_frame_free(&tmp);
|
2021-11-16 07:35:24 +00:00
|
|
|
av_frame_free(&out);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define OFFSET(x) offsetof(GBlurVulkanContext, x)
|
|
|
|
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
|
|
|
|
static const AVOption gblur_vulkan_options[] = {
|
2022-01-10 07:53:22 +00:00
|
|
|
{ "sigma", "Set sigma", OFFSET(sigma), AV_OPT_TYPE_FLOAT, { .dbl = 0.5 }, 0.01, 1024.0, FLAGS },
|
|
|
|
{ "sigmaV", "Set vertical sigma", OFFSET(sigmaV), AV_OPT_TYPE_FLOAT, { .dbl = 0 }, 0.0, 1024.0, FLAGS },
|
|
|
|
{ "planes", "Set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT, { .i64 = 0xF }, 0, 0xF, FLAGS },
|
|
|
|
{ "size", "Set kernel size", OFFSET(size), AV_OPT_TYPE_INT, { .i64 = 19 }, 1, GBLUR_MAX_KERNEL_SIZE, FLAGS },
|
|
|
|
{ "sizeV", "Set vertical kernel size", OFFSET(sizeV), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, GBLUR_MAX_KERNEL_SIZE, FLAGS },
|
2021-11-16 07:35:24 +00:00
|
|
|
{ NULL },
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFILTER_DEFINE_CLASS(gblur_vulkan);
|
|
|
|
|
|
|
|
static const AVFilterPad gblur_vulkan_inputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.filter_frame = &gblur_vulkan_filter_frame,
|
|
|
|
.config_props = &ff_vk_filter_config_input,
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVFilterPad gblur_vulkan_outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.config_props = &ff_vk_filter_config_output,
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
const AVFilter ff_vf_gblur_vulkan = {
|
|
|
|
.name = "gblur_vulkan",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("Gaussian Blur in Vulkan"),
|
|
|
|
.priv_size = sizeof(GBlurVulkanContext),
|
|
|
|
.init = &ff_vk_filter_init,
|
|
|
|
.uninit = &gblur_vulkan_uninit,
|
|
|
|
FILTER_INPUTS(gblur_vulkan_inputs),
|
|
|
|
FILTER_OUTPUTS(gblur_vulkan_outputs),
|
|
|
|
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
|
|
|
|
.priv_class = &gblur_vulkan_class,
|
|
|
|
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
|
2023-03-15 17:57:36 +00:00
|
|
|
.flags = AVFILTER_FLAG_HWDEVICE,
|
2021-11-16 07:35:24 +00:00
|
|
|
};
|