2019-10-27 14:47:18 +00:00
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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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2020-05-29 12:10:58 +00:00
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#include "libavutil/random_seed.h"
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2019-10-27 14:47:18 +00:00
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#include "libavutil/opt.h"
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#include "vulkan.h"
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#include "internal.h"
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#define CGS 32
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typedef struct AvgBlurVulkanContext {
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VulkanFilterContext vkctx;
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int initialized;
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FFVkExecContext *exec;
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VulkanPipeline *pl_hor;
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VulkanPipeline *pl_ver;
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/* Shader updators, must be in the main filter struct */
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VkDescriptorImageInfo input_images[3];
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VkDescriptorImageInfo tmp_images[3];
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VkDescriptorImageInfo output_images[3];
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int size_x;
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int size_y;
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int planes;
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} AvgBlurVulkanContext;
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static const char blur_kernel[] = {
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C(0, shared vec4 cache[DIR(gl_WorkGroupSize) + FILTER_RADIUS*2 + 1]; )
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C(0, )
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C(0, void distort(const ivec2 pos, const int idx) )
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C(0, { )
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C(1, const uint cp = DIR(gl_LocalInvocationID) + FILTER_RADIUS; )
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C(0, )
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C(1, cache[cp] = texture(input_img[idx], pos); )
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C(0, )
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C(1, const ivec2 loc_l = pos - INC(FILTER_RADIUS); )
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C(1, cache[cp - FILTER_RADIUS] = texture(input_img[idx], loc_l); )
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C(0, )
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C(1, const ivec2 loc_h = pos + INC(DIR(gl_WorkGroupSize)); )
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C(1, cache[cp + DIR(gl_WorkGroupSize)] = texture(input_img[idx], loc_h); )
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C(0, )
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C(1, barrier(); )
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C(0, )
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C(1, vec4 sum = vec4(0); )
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C(1, for (int p = -FILTER_RADIUS; p <= FILTER_RADIUS; p++) )
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C(2, sum += cache[cp + p]; )
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C(0, )
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C(1, sum /= vec4(FILTER_RADIUS*2 + 1); )
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C(1, imageStore(output_img[idx], pos, sum); )
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C(0, } )
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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;
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SPIRVShader *shd;
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AvgBlurVulkanContext *s = ctx->priv;
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const int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
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VkSampler *sampler = ff_vk_init_sampler(ctx, 1, VK_FILTER_LINEAR);
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VulkanDescriptorSetBinding desc_i[2] = {
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{
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.name = "input_img",
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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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.samplers = DUP_SAMPLER_ARRAY4(*sampler),
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},
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{
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.name = "output_img",
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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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if (!sampler)
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return AVERROR_EXTERNAL;
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2020-05-13 23:37:21 +00:00
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s->vkctx.queue_family_idx = s->vkctx.hwctx->queue_family_comp_index;
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s->vkctx.queue_count = GET_QUEUE_COUNT(s->vkctx.hwctx, 0, 1, 0);
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2020-05-29 12:10:58 +00:00
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s->vkctx.cur_queue_idx = av_get_random_seed() % s->vkctx.queue_count;
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2020-05-13 23:37:21 +00:00
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2019-10-27 14:47:18 +00:00
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{ /* Create shader for the horizontal pass */
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desc_i[0].updater = s->input_images;
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desc_i[1].updater = s->tmp_images;
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s->pl_hor = ff_vk_create_pipeline(ctx);
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if (!s->pl_hor)
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return AVERROR(ENOMEM);
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shd = ff_vk_init_shader(ctx, s->pl_hor, "avgblur_compute_hor",
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VK_SHADER_STAGE_COMPUTE_BIT);
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ff_vk_set_compute_shader_sizes(ctx, shd, (int [3]){ CGS, 1, 1 });
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RET(ff_vk_add_descriptor_set(ctx, s->pl_hor, shd, desc_i, 2, 0));
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GLSLF(0, #define FILTER_RADIUS (%i) ,s->size_x - 1);
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GLSLC(0, #define INC(x) (ivec2(x, 0)) );
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GLSLC(0, #define DIR(var) (var.x) );
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GLSLD( blur_kernel );
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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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GLSLF(1, size = imageSize(output_img[%i]); ,i);
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GLSLC(1, if (IS_WITHIN(pos, size)) { );
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if (s->planes & (1 << i)) {
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GLSLF(2, distort(pos, %i); ,i);
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} else {
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GLSLF(2, vec4 res = texture(input_img[%i], pos); ,i);
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GLSLF(2, imageStore(output_img[%i], pos, res); ,i);
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}
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GLSLC(1, } );
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}
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GLSLC(0, } );
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RET(ff_vk_compile_shader(ctx, shd, "main"));
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RET(ff_vk_init_pipeline_layout(ctx, s->pl_hor));
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RET(ff_vk_init_compute_pipeline(ctx, s->pl_hor));
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}
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{ /* Create shader for the vertical pass */
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desc_i[0].updater = s->tmp_images;
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desc_i[1].updater = s->output_images;
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s->pl_ver = ff_vk_create_pipeline(ctx);
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if (!s->pl_ver)
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return AVERROR(ENOMEM);
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shd = ff_vk_init_shader(ctx, s->pl_ver, "avgblur_compute_ver",
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VK_SHADER_STAGE_COMPUTE_BIT);
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ff_vk_set_compute_shader_sizes(ctx, shd, (int [3]){ 1, CGS, 1 });
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RET(ff_vk_add_descriptor_set(ctx, s->pl_ver, shd, desc_i, 2, 0));
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GLSLF(0, #define FILTER_RADIUS (%i) ,s->size_y - 1);
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GLSLC(0, #define INC(x) (ivec2(0, x)) );
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GLSLC(0, #define DIR(var) (var.y) );
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GLSLD( blur_kernel );
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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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GLSLF(1, size = imageSize(output_img[%i]); ,i);
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GLSLC(1, if (IS_WITHIN(pos, size)) { );
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if (s->planes & (1 << i)) {
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GLSLF(2, distort(pos, %i); ,i);
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} else {
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GLSLF(2, vec4 res = texture(input_img[%i], pos); ,i);
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GLSLF(2, imageStore(output_img[%i], pos, res); ,i);
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}
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GLSLC(1, } );
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}
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GLSLC(0, } );
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RET(ff_vk_compile_shader(ctx, shd, "main"));
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RET(ff_vk_init_pipeline_layout(ctx, s->pl_ver));
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RET(ff_vk_init_compute_pipeline(ctx, s->pl_ver));
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}
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/* Execution context */
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2020-05-13 23:37:21 +00:00
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RET(ff_vk_create_exec_ctx(ctx, &s->exec));
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2019-10-27 14:47:18 +00:00
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s->initialized = 1;
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return 0;
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fail:
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return err;
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}
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static int process_frames(AVFilterContext *avctx, AVFrame *out_f, AVFrame *tmp_f, AVFrame *in_f)
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{
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int err;
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2020-05-13 23:37:21 +00:00
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VkCommandBuffer cmd_buf;
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2019-10-27 14:47:18 +00:00
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AvgBlurVulkanContext *s = avctx->priv;
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AVVkFrame *in = (AVVkFrame *)in_f->data[0];
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AVVkFrame *tmp = (AVVkFrame *)tmp_f->data[0];
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AVVkFrame *out = (AVVkFrame *)out_f->data[0];
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int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
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2020-05-13 23:37:21 +00:00
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/* Update descriptors and init the exec context */
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ff_vk_start_exec_recording(avctx, s->exec);
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cmd_buf = ff_vk_get_exec_buf(avctx, s->exec);
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2019-10-27 14:47:18 +00:00
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for (int i = 0; i < planes; i++) {
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2020-05-13 23:37:21 +00:00
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RET(ff_vk_create_imageview(avctx, s->exec, &s->input_images[i].imageView,
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in->img[i],
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2019-10-27 14:47:18 +00:00
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av_vkfmt_from_pixfmt(s->vkctx.input_format)[i],
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ff_comp_identity_map));
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2020-05-13 23:37:21 +00:00
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RET(ff_vk_create_imageview(avctx, s->exec, &s->tmp_images[i].imageView,
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tmp->img[i],
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2019-10-27 14:47:18 +00:00
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av_vkfmt_from_pixfmt(s->vkctx.output_format)[i],
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ff_comp_identity_map));
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2020-05-13 23:37:21 +00:00
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RET(ff_vk_create_imageview(avctx, s->exec, &s->output_images[i].imageView,
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out->img[i],
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2019-10-27 14:47:18 +00:00
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av_vkfmt_from_pixfmt(s->vkctx.output_format)[i],
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ff_comp_identity_map));
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s->input_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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s->tmp_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
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s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
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}
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ff_vk_update_descriptor_set(avctx, s->pl_hor, 0);
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ff_vk_update_descriptor_set(avctx, s->pl_ver, 0);
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for (int i = 0; i < planes; i++) {
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VkImageMemoryBarrier bar[] = {
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{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcAccessMask = 0,
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.dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
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.oldLayout = in->layout[i],
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.newLayout = s->input_images[i].imageLayout,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = in->img[i],
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.levelCount = 1,
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.subresourceRange.layerCount = 1,
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},
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{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcAccessMask = 0,
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.dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT | VK_ACCESS_SHADER_READ_BIT,
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.oldLayout = tmp->layout[i],
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.newLayout = s->tmp_images[i].imageLayout,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = tmp->img[i],
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.levelCount = 1,
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.subresourceRange.layerCount = 1,
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},
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{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcAccessMask = 0,
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.dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT,
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.oldLayout = out->layout[i],
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.newLayout = s->output_images[i].imageLayout,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = out->img[i],
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.levelCount = 1,
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.subresourceRange.layerCount = 1,
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},
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};
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2020-05-13 23:37:21 +00:00
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vkCmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
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2019-10-27 14:47:18 +00:00
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VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0,
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0, NULL, 0, NULL, FF_ARRAY_ELEMS(bar), bar);
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in->layout[i] = bar[0].newLayout;
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in->access[i] = bar[0].dstAccessMask;
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tmp->layout[i] = bar[1].newLayout;
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tmp->access[i] = bar[1].dstAccessMask;
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out->layout[i] = bar[2].newLayout;
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out->access[i] = bar[2].dstAccessMask;
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}
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ff_vk_bind_pipeline_exec(avctx, s->exec, s->pl_hor);
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2020-05-13 23:37:21 +00:00
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vkCmdDispatch(cmd_buf, FFALIGN(s->vkctx.output_width, CGS)/CGS,
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2019-10-27 14:47:18 +00:00
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s->vkctx.output_height, 1);
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ff_vk_bind_pipeline_exec(avctx, s->exec, s->pl_ver);
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2020-05-13 23:37:21 +00:00
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vkCmdDispatch(cmd_buf, s->vkctx.output_width,
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2019-10-27 14:47:18 +00:00
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FFALIGN(s->vkctx.output_height, CGS)/CGS, 1);
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ff_vk_add_exec_dep(avctx, s->exec, in_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
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ff_vk_add_exec_dep(avctx, s->exec, out_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
|
|
|
|
|
|
|
|
err = ff_vk_submit_exec_queue(avctx, s->exec);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
2020-05-13 23:37:21 +00:00
|
|
|
return err;
|
2019-10-27 14:47:18 +00:00
|
|
|
|
2020-05-13 23:37:21 +00:00
|
|
|
fail:
|
|
|
|
ff_vk_discard_exec_deps(avctx, s->exec);
|
2019-10-27 14:47:18 +00:00
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int avgblur_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
AVFrame *tmp = NULL, *out = NULL;
|
|
|
|
AVFilterContext *ctx = link->dst;
|
|
|
|
AvgBlurVulkanContext *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;
|
|
|
|
}
|
|
|
|
|
|
|
|
tmp = 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(process_frames(ctx, out, tmp, in));
|
|
|
|
|
|
|
|
err = av_frame_copy_props(out, in);
|
|
|
|
if (err < 0)
|
|
|
|
goto fail;
|
|
|
|
|
|
|
|
av_frame_free(&in);
|
|
|
|
av_frame_free(&tmp);
|
|
|
|
|
|
|
|
return ff_filter_frame(outlink, out);
|
|
|
|
|
|
|
|
fail:
|
|
|
|
av_frame_free(&in);
|
|
|
|
av_frame_free(&tmp);
|
|
|
|
av_frame_free(&out);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void avgblur_vulkan_uninit(AVFilterContext *avctx)
|
|
|
|
{
|
|
|
|
AvgBlurVulkanContext *s = avctx->priv;
|
|
|
|
|
|
|
|
ff_vk_filter_uninit(avctx);
|
|
|
|
|
|
|
|
s->initialized = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#define OFFSET(x) offsetof(AvgBlurVulkanContext, x)
|
|
|
|
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
|
|
|
|
static const AVOption avgblur_vulkan_options[] = {
|
|
|
|
{ "sizeX", "Set horizontal radius", OFFSET(size_x), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 32, .flags = FLAGS },
|
|
|
|
{ "planes", "Set planes to filter (bitmask)", OFFSET(planes), AV_OPT_TYPE_INT, {.i64 = 0xF}, 0, 0xF, .flags = FLAGS },
|
|
|
|
{ "sizeY", "Set vertical radius", OFFSET(size_y), AV_OPT_TYPE_INT, {.i64 = 3}, 1, 32, .flags = FLAGS },
|
|
|
|
{ NULL },
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFILTER_DEFINE_CLASS(avgblur_vulkan);
|
|
|
|
|
|
|
|
static const AVFilterPad avgblur_vulkan_inputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.filter_frame = &avgblur_vulkan_filter_frame,
|
|
|
|
.config_props = &ff_vk_filter_config_input,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVFilterPad avgblur_vulkan_outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.config_props = &ff_vk_filter_config_output,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
2021-04-19 16:33:56 +00:00
|
|
|
const AVFilter ff_vf_avgblur_vulkan = {
|
2019-10-27 14:47:18 +00:00
|
|
|
.name = "avgblur_vulkan",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("Apply avgblur mask to input video"),
|
|
|
|
.priv_size = sizeof(AvgBlurVulkanContext),
|
|
|
|
.init = &ff_vk_filter_init,
|
|
|
|
.uninit = &avgblur_vulkan_uninit,
|
2021-08-12 11:05:31 +00:00
|
|
|
FILTER_INPUTS(avgblur_vulkan_inputs),
|
|
|
|
FILTER_OUTPUTS(avgblur_vulkan_outputs),
|
2021-09-27 10:07:35 +00:00
|
|
|
FILTER_QUERY_FUNC(&ff_vk_filter_query_formats),
|
2019-10-27 14:47:18 +00:00
|
|
|
.priv_class = &avgblur_vulkan_class,
|
|
|
|
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
|
|
|
|
};
|