/* * 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 "internal.h" #include "video.h" #define TYPE_NAME "vec4" #define TYPE_ELEMS 4 #define TYPE_SIZE (TYPE_ELEMS*4) typedef struct NLMeansVulkanContext { FFVulkanContext vkctx; int initialized; FFVkExecPool e; FFVkQueueFamilyCtx qf; VkSampler sampler; AVBufferPool *integral_buf_pool; AVBufferPool *ws_buf_pool; FFVkBuffer xyoffsets_buf; int pl_weights_rows; FFVulkanPipeline pl_weights; FFVkSPIRVShader shd_weights; FFVulkanPipeline pl_denoise; FFVkSPIRVShader shd_denoise; int *xoffsets; int *yoffsets; int nb_offsets; float strength[4]; int patch[4]; struct nlmeans_opts { int r; double s; double sc[4]; int p; int pc[4]; int t; } opts; } NLMeansVulkanContext; extern const char *ff_source_prefix_sum_comp; static void insert_first(FFVkSPIRVShader *shd, int r, const char *off, int horiz, int plane, int comp) { GLSLF(4, s1 = texture(input_img[%i], pos + ivec2(%i + %s, %i + %s))[%i]; ,plane, horiz ? r : 0, horiz ? off : "0", !horiz ? r : 0, !horiz ? off : "0", comp); GLSLF(4, s2[0] = texture(input_img[%i], pos + offs[0] + ivec2(%i + %s, %i + %s))[%i]; ,plane, horiz ? r : 0, horiz ? off : "0", !horiz ? r : 0, !horiz ? off : "0", comp); GLSLF(4, s2[1] = texture(input_img[%i], pos + offs[1] + ivec2(%i + %s, %i + %s))[%i]; ,plane, horiz ? r : 0, horiz ? off : "0", !horiz ? r : 0, !horiz ? off : "0", comp); GLSLF(4, s2[2] = texture(input_img[%i], pos + offs[2] + ivec2(%i + %s, %i + %s))[%i]; ,plane, horiz ? r : 0, horiz ? off : "0", !horiz ? r : 0, !horiz ? off : "0", comp); GLSLF(4, s2[3] = texture(input_img[%i], pos + offs[3] + ivec2(%i + %s, %i + %s))[%i]; ,plane, horiz ? r : 0, horiz ? off : "0", !horiz ? r : 0, !horiz ? off : "0", comp); GLSLC(4, s2 = (s1 - s2) * (s1 - s2); ); } static void insert_horizontal_pass(FFVkSPIRVShader *shd, int nb_rows, int first, int plane, int comp) { GLSLF(1, pos.y = int(gl_GlobalInvocationID.x) * %i; ,nb_rows); if (!first) GLSLC(1, barrier(); ); GLSLC(0, ); GLSLF(1, if (pos.y < height[%i]) { ,plane); GLSLC(2, #pragma unroll(1) ); GLSLF(2, for (r = 0; r < %i; r++) { ,nb_rows); GLSLC(3, prefix_sum = DTYPE(0); ); GLSLC(3, offset = int_stride * uint64_t(pos.y + r); ); GLSLC(3, dst = DataBuffer(uint64_t(integral_data) + offset); ); GLSLC(0, ); GLSLF(3, for (pos.x = 0; pos.x < width[%i]; pos.x++) { ,plane); if (first) insert_first(shd, 0, "r", 0, plane, comp); else GLSLC(4, s2 = dst.v[pos.x]; ); GLSLC(4, dst.v[pos.x] = s2 + prefix_sum; ); GLSLC(4, prefix_sum += s2; ); GLSLC(3, } ); GLSLC(2, } ); GLSLC(1, } ); GLSLC(0, ); } static void insert_vertical_pass(FFVkSPIRVShader *shd, int nb_rows, int first, int plane, int comp) { GLSLF(1, pos.x = int(gl_GlobalInvocationID.x) * %i; ,nb_rows); GLSLC(1, #pragma unroll(1) ); GLSLF(1, for (r = 0; r < %i; r++) ,nb_rows); GLSLC(2, psum[r] = DTYPE(0); ); GLSLC(0, ); if (!first) GLSLC(1, barrier(); ); GLSLC(0, ); GLSLF(1, if (pos.x < width[%i]) { ,plane); GLSLF(2, for (pos.y = 0; pos.y < height[%i]; pos.y++) { ,plane); GLSLC(3, offset = int_stride * uint64_t(pos.y); ); GLSLC(3, dst = DataBuffer(uint64_t(integral_data) + offset); ); GLSLC(0, ); GLSLC(3, #pragma unroll(1) ); GLSLF(3, for (r = 0; r < %i; r++) { ,nb_rows); if (first) insert_first(shd, 0, "r", 1, plane, comp); else GLSLC(4, s2 = dst.v[pos.x + r]; ); GLSLC(4, dst.v[pos.x + r] = s2 + psum[r]; ); GLSLC(4, psum[r] += s2; ); GLSLC(3, } ); GLSLC(2, } ); GLSLC(1, } ); GLSLC(0, ); } static void insert_weights_pass(FFVkSPIRVShader *shd, int nb_rows, int vert, int t, int dst_comp, int plane, int comp) { GLSLF(1, p = patch_size[%i]; ,dst_comp); GLSLC(0, ); GLSLC(1, barrier(); ); GLSLC(0, ); if (!vert) { GLSLF(1, for (pos.y = 0; pos.y < height[%i]; pos.y++) { ,plane); GLSLF(2, if (gl_GlobalInvocationID.x*%i >= width[%i]) ,nb_rows, plane); GLSLC(3, break; ); GLSLF(2, for (r = 0; r < %i; r++) { ,nb_rows); GLSLF(3, pos.x = int(gl_GlobalInvocationID.x) * %i + r; ,nb_rows); } else { GLSLF(1, for (pos.x = 0; pos.x < width[%i]; pos.x++) { ,plane); GLSLF(2, if (gl_GlobalInvocationID.x*%i >= height[%i]) ,nb_rows, plane); GLSLC(3, break; ); GLSLF(2, for (r = 0; r < %i; r++) { ,nb_rows); GLSLF(3, pos.y = int(gl_GlobalInvocationID.x) * %i + r; ,nb_rows); } GLSLC(0, ); GLSLC(3, a = DTYPE(0); ); GLSLC(3, b = DTYPE(0); ); GLSLC(3, c = DTYPE(0); ); GLSLC(3, d = DTYPE(0); ); GLSLC(0, ); GLSLC(3, lt = ((pos.x - p) < 0) || ((pos.y - p) < 0); ); GLSLC(0, ); GLSLF(3, src[0] = texture(input_img[%i], pos + offs[0])[%i]; ,plane, comp); GLSLF(3, src[1] = texture(input_img[%i], pos + offs[1])[%i]; ,plane, comp); GLSLF(3, src[2] = texture(input_img[%i], pos + offs[2])[%i]; ,plane, comp); GLSLF(3, src[3] = texture(input_img[%i], pos + offs[3])[%i]; ,plane, comp); GLSLC(0, ); GLSLC(3, if (lt == false) { ); GLSLC(3, offset = int_stride * uint64_t(pos.y - p); ); GLSLC(3, dst = DataBuffer(uint64_t(integral_data) + offset); ); GLSLC(4, a = dst.v[pos.x - p]; ); GLSLC(4, c = dst.v[pos.x + p]; ); GLSLC(3, offset = int_stride * uint64_t(pos.y + p); ); GLSLC(3, dst = DataBuffer(uint64_t(integral_data) + offset); ); GLSLC(4, b = dst.v[pos.x - p]; ); GLSLC(4, d = dst.v[pos.x + p]; ); GLSLC(3, } ); GLSLC(0, ); GLSLC(3, patch_diff = d + a - b - c; ); GLSLF(3, w = exp(patch_diff * strength[%i]); ,dst_comp); GLSLC(3, w_sum = w[0] + w[1] + w[2] + w[3]; ); GLSLC(3, sum = dot(w, src*255); ); GLSLC(0, ); if (t > 1) { GLSLF(3, atomicAdd(weights_%i[pos.y*ws_stride[%i] + pos.x], w_sum); ,dst_comp, dst_comp); GLSLF(3, atomicAdd(sums_%i[pos.y*ws_stride[%i] + pos.x], sum); ,dst_comp, dst_comp); } else { GLSLF(3, weights_%i[pos.y*ws_stride[%i] + pos.x] += w_sum; ,dst_comp, dst_comp); GLSLF(3, sums_%i[pos.y*ws_stride[%i] + pos.x] += sum; ,dst_comp, dst_comp); } GLSLC(2, } ); GLSLC(1, } ); } typedef struct HorizontalPushData { uint32_t width[4]; uint32_t height[4]; uint32_t ws_stride[4]; int32_t patch_size[4]; float strength[4]; VkDeviceAddress integral_base; uint64_t integral_size; uint64_t int_stride; uint32_t xyoffs_start; } HorizontalPushData; static av_cold int init_weights_pipeline(FFVulkanContext *vkctx, FFVkExecPool *exec, FFVulkanPipeline *pl, FFVkSPIRVShader *shd, VkSampler sampler, FFVkSPIRVCompiler *spv, int width, int height, int t, const AVPixFmtDescriptor *desc, int planes, int *nb_rows) { int err; uint8_t *spv_data; size_t spv_len; void *spv_opaque = NULL; FFVulkanDescriptorSetBinding *desc_set; int max_dim = FFMAX(width, height); uint32_t max_wg = vkctx->props.properties.limits.maxComputeWorkGroupSize[0]; int wg_size, wg_rows; /* Round the max workgroup size to the previous power of two */ wg_size = max_wg; wg_rows = 1; if (max_wg > max_dim) { wg_size = max_dim; } else if (max_wg < max_dim) { /* Make it fit */ while (wg_size*wg_rows < max_dim) wg_rows++; } RET(ff_vk_shader_init(pl, shd, "nlmeans_weights", VK_SHADER_STAGE_COMPUTE_BIT, 0)); ff_vk_shader_set_compute_sizes(shd, wg_size, 1, 1); *nb_rows = wg_rows; if (t > 1) GLSLC(0, #extension GL_EXT_shader_atomic_float : require ); GLSLC(0, #extension GL_ARB_gpu_shader_int64 : require ); GLSLC(0, ); GLSLF(0, #define DTYPE %s ,TYPE_NAME); GLSLF(0, #define T_ALIGN %i ,TYPE_SIZE); GLSLC(0, ); GLSLC(0, layout(buffer_reference, buffer_reference_align = T_ALIGN) buffer DataBuffer { ); GLSLC(1, DTYPE v[]; ); GLSLC(0, }; ); GLSLC(0, ); GLSLC(0, layout(push_constant, std430) uniform pushConstants { ); GLSLC(1, uvec4 width; ); GLSLC(1, uvec4 height; ); GLSLC(1, uvec4 ws_stride; ); GLSLC(1, ivec4 patch_size; ); GLSLC(1, vec4 strength; ); GLSLC(1, DataBuffer integral_base; ); GLSLC(1, uint64_t integral_size; ); GLSLC(1, uint64_t int_stride; ); GLSLC(1, uint xyoffs_start; ); GLSLC(0, }; ); GLSLC(0, ); ff_vk_add_push_constant(pl, 0, sizeof(HorizontalPushData), VK_SHADER_STAGE_COMPUTE_BIT); desc_set = (FFVulkanDescriptorSetBinding []) { { .name = "input_img", .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, .dimensions = 2, .elems = planes, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .samplers = DUP_SAMPLER(sampler), }, { .name = "weights_buffer_0", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float weights_0[];", }, { .name = "sums_buffer_0", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float sums_0[];", }, { .name = "weights_buffer_1", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float weights_1[];", }, { .name = "sums_buffer_1", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float sums_1[];", }, { .name = "weights_buffer_2", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float weights_2[];", }, { .name = "sums_buffer_2", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float sums_2[];", }, { .name = "weights_buffer_3", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float weights_3[];", }, { .name = "sums_buffer_3", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float sums_3[];", }, }; RET(ff_vk_pipeline_descriptor_set_add(vkctx, pl, shd, desc_set, 1 + 2*desc->nb_components, 0, 0)); desc_set = (FFVulkanDescriptorSetBinding []) { { .name = "xyoffsets_buffer", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "ivec2 xyoffsets[];", }, }; RET(ff_vk_pipeline_descriptor_set_add(vkctx, pl, shd, desc_set, 1, 1, 0)); GLSLC(0, ); GLSLC(0, void main() ); GLSLC(0, { ); GLSLC(1, uint64_t offset; ); GLSLC(1, DataBuffer dst; ); GLSLC(1, float s1; ); GLSLC(1, DTYPE s2; ); GLSLC(1, DTYPE prefix_sum; ); GLSLF(1, DTYPE psum[%i]; ,*nb_rows); GLSLC(1, int r; ); GLSLC(1, ivec2 pos; ); GLSLC(1, int p; ); GLSLC(0, ); GLSLC(1, DataBuffer integral_data; ); GLSLF(1, ivec2 offs[%i]; ,TYPE_ELEMS); GLSLC(0, ); GLSLC(1, int invoc_idx = int(gl_WorkGroupID.z); ); GLSLC(0, ); GLSLC(1, offset = integral_size * invoc_idx; ); GLSLC(1, integral_data = DataBuffer(uint64_t(integral_base) + offset); ); for (int i = 0; i < TYPE_ELEMS; i++) GLSLF(1, offs[%i] = xyoffsets[xyoffs_start + %i*invoc_idx + %i]; ,i,TYPE_ELEMS,i); GLSLC(0, ); GLSLC(1, DTYPE a; ); GLSLC(1, DTYPE b; ); GLSLC(1, DTYPE c; ); GLSLC(1, DTYPE d; ); GLSLC(0, ); GLSLC(1, DTYPE patch_diff; ); if (TYPE_ELEMS == 4) { GLSLC(1, vec4 src; ); GLSLC(1, vec4 w; ); } else { GLSLC(1, vec4 src[4]; ); GLSLC(1, vec4 w[4]; ); } GLSLC(1, float w_sum; ); GLSLC(1, float sum; ); GLSLC(0, ); GLSLC(1, bool lt; ); GLSLC(1, bool gt; ); GLSLC(0, ); for (int i = 0; i < desc->nb_components; i++) { int off = desc->comp[i].offset / (FFALIGN(desc->comp[i].depth, 8)/8); if (width >= height) { insert_horizontal_pass(shd, *nb_rows, 1, desc->comp[i].plane, off); insert_vertical_pass(shd, *nb_rows, 0, desc->comp[i].plane, off); insert_weights_pass(shd, *nb_rows, 0, t, i, desc->comp[i].plane, off); } else { insert_vertical_pass(shd, *nb_rows, 1, desc->comp[i].plane, off); insert_horizontal_pass(shd, *nb_rows, 0, desc->comp[i].plane, off); insert_weights_pass(shd, *nb_rows, 1, t, i, desc->comp[i].plane, off); } } GLSLC(0, } ); RET(spv->compile_shader(spv, vkctx, 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, pl, shd)); RET(ff_vk_exec_pipeline_register(vkctx, exec, pl)); fail: if (spv_opaque) spv->free_shader(spv, &spv_opaque); return err; } typedef struct DenoisePushData { uint32_t ws_stride[4]; } DenoisePushData; static av_cold int init_denoise_pipeline(FFVulkanContext *vkctx, FFVkExecPool *exec, FFVulkanPipeline *pl, FFVkSPIRVShader *shd, VkSampler sampler, FFVkSPIRVCompiler *spv, const AVPixFmtDescriptor *desc, int planes) { int err; uint8_t *spv_data; size_t spv_len; void *spv_opaque = NULL; FFVulkanDescriptorSetBinding *desc_set; RET(ff_vk_shader_init(pl, shd, "nlmeans_denoise", VK_SHADER_STAGE_COMPUTE_BIT, 0)); ff_vk_shader_set_compute_sizes(shd, 32, 32, 1); GLSLC(0, layout(push_constant, std430) uniform pushConstants { ); GLSLC(1, uvec4 ws_stride; ); GLSLC(0, }; ); ff_vk_add_push_constant(pl, 0, sizeof(DenoisePushData), VK_SHADER_STAGE_COMPUTE_BIT); desc_set = (FFVulkanDescriptorSetBinding []) { { .name = "input_img", .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, .dimensions = 2, .elems = planes, .stages = VK_SHADER_STAGE_COMPUTE_BIT, .samplers = DUP_SAMPLER(sampler), }, { .name = "output_img", .type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, .mem_layout = ff_vk_shader_rep_fmt(vkctx->output_format), .mem_quali = "writeonly", .dimensions = 2, .elems = planes, .stages = VK_SHADER_STAGE_COMPUTE_BIT, }, { .name = "weights_buffer_0", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float weights_0[];", }, { .name = "sums_buffer_0", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float sums_0[];", }, { .name = "weights_buffer_1", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float weights_1[];", }, { .name = "sums_buffer_1", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float sums_1[];", }, { .name = "weights_buffer_2", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float weights_2[];", }, { .name = "sums_buffer_2", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float sums_2[];", }, { .name = "weights_buffer_3", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float weights_3[];", }, { .name = "sums_buffer_3", .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, .mem_quali = "readonly", .stages = VK_SHADER_STAGE_COMPUTE_BIT, .buf_content = "float sums_3[];", }, }; RET(ff_vk_pipeline_descriptor_set_add(vkctx, pl, shd, desc_set, 2 + 2*desc->nb_components, 0, 0)); GLSLC(0, void main() ); GLSLC(0, { ); GLSLC(1, ivec2 size; ); GLSLC(1, const ivec2 pos = ivec2(gl_GlobalInvocationID.xy); ); GLSLC(1, const uint plane = uint(gl_WorkGroupID.z); ); GLSLC(0, ); GLSLC(1, float w_sum; ); GLSLC(1, float sum; ); GLSLC(1, vec4 src; ); GLSLC(1, vec4 r; ); GLSLC(0, ); GLSLC(1, size = imageSize(output_img[plane]); ); GLSLC(1, if (!IS_WITHIN(pos, size)) ); GLSLC(2, return; ); GLSLC(0, ); GLSLC(1, src = texture(input_img[plane], pos); ); GLSLC(0, ); for (int c = 0; c < desc->nb_components; c++) { int off = desc->comp[c].offset / (FFALIGN(desc->comp[c].depth, 8)/8); GLSLF(1, if (plane == %i) { ,desc->comp[c].plane); GLSLF(2, w_sum = weights_%i[pos.y*ws_stride[%i] + pos.x]; ,c, c); GLSLF(2, sum = sums_%i[pos.y*ws_stride[%i] + pos.x]; ,c, c); GLSLF(2, r[%i] = (sum + src[%i]*255) / (1.0 + w_sum) / 255; ,off, off); GLSLC(1, } ); GLSLC(0, ); } GLSLC(1, imageStore(output_img[plane], pos, r); ); GLSLC(0, } ); RET(spv->compile_shader(spv, vkctx, 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, pl, shd)); RET(ff_vk_exec_pipeline_register(vkctx, exec, pl)); fail: if (spv_opaque) spv->free_shader(spv, &spv_opaque); return err; } static av_cold int init_filter(AVFilterContext *ctx) { int rad, err; int xcnt = 0, ycnt = 0; NLMeansVulkanContext *s = ctx->priv; FFVulkanContext *vkctx = &s->vkctx; const int planes = av_pix_fmt_count_planes(s->vkctx.output_format); FFVkSPIRVCompiler *spv; int *offsets_buf; int offsets_dispatched = 0, nb_dispatches = 0; const AVPixFmtDescriptor *desc; desc = av_pix_fmt_desc_get(vkctx->output_format); if (!desc) return AVERROR(EINVAL); if (!(s->opts.r & 1)) { s->opts.r |= 1; av_log(ctx, AV_LOG_WARNING, "Research size should be odd, setting to %i", s->opts.r); } if (!(s->opts.p & 1)) { s->opts.p |= 1; av_log(ctx, AV_LOG_WARNING, "Patch size should be odd, setting to %i", s->opts.p); } for (int i = 0; i < 4; i++) { double str = (s->opts.sc[i] > 1.0) ? s->opts.sc[i] : s->opts.s; int ps = (s->opts.pc[i] ? s->opts.pc[i] : s->opts.p); str = 10.0f*str; str *= -str; str = 255.0*255.0 / str; s->strength[i] = str; if (!(ps & 1)) { ps |= 1; av_log(ctx, AV_LOG_WARNING, "Patch size should be odd, setting to %i", ps); } s->patch[i] = ps / 2; } rad = s->opts.r/2; s->nb_offsets = (2*rad + 1)*(2*rad + 1) - 1; s->xoffsets = av_malloc(s->nb_offsets*sizeof(*s->xoffsets)); s->yoffsets = av_malloc(s->nb_offsets*sizeof(*s->yoffsets)); s->nb_offsets = 0; for (int x = -rad; x <= rad; x++) { for (int y = -rad; y <= rad; y++) { if (!x && !y) continue; s->xoffsets[xcnt++] = x; s->yoffsets[ycnt++] = y; s->nb_offsets++; } } RET(ff_vk_create_buf(&s->vkctx, &s->xyoffsets_buf, 2*s->nb_offsets*sizeof(int32_t), NULL, NULL, VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT)); RET(ff_vk_map_buffer(&s->vkctx, &s->xyoffsets_buf, (uint8_t **)&offsets_buf, 0)); for (int i = 0; i < 2*s->nb_offsets; i += 2) { offsets_buf[i + 0] = s->xoffsets[i >> 1]; offsets_buf[i + 1] = s->yoffsets[i >> 1]; } RET(ff_vk_unmap_buffer(&s->vkctx, &s->xyoffsets_buf, 1)); s->opts.t = FFMIN(s->opts.t, (FFALIGN(s->nb_offsets, TYPE_ELEMS) / TYPE_ELEMS)); if (!vkctx->atomic_float_feats.shaderBufferFloat32AtomicAdd) { av_log(ctx, AV_LOG_WARNING, "Device doesn't support atomic float adds, " "disabling dispatch parallelism\n"); s->opts.t = 1; } 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, 1, 0, 0, 0, NULL)); RET(ff_vk_init_sampler(vkctx, &s->sampler, 1, VK_FILTER_NEAREST)); RET(init_weights_pipeline(vkctx, &s->e, &s->pl_weights, &s->shd_weights, s->sampler, spv, s->vkctx.output_width, s->vkctx.output_height, s->opts.t, desc, planes, &s->pl_weights_rows)); RET(init_denoise_pipeline(vkctx, &s->e, &s->pl_denoise, &s->shd_denoise, s->sampler, spv, desc, planes)); RET(ff_vk_set_descriptor_buffer(&s->vkctx, &s->pl_weights, NULL, 1, 0, 0, s->xyoffsets_buf.address, s->xyoffsets_buf.size, VK_FORMAT_UNDEFINED)); do { int wg_invoc = FFMIN((s->nb_offsets - offsets_dispatched)/TYPE_ELEMS, s->opts.t); wg_invoc = FFMIN(wg_invoc, vkctx->props.properties.limits.maxComputeWorkGroupCount[2]); offsets_dispatched += wg_invoc * TYPE_ELEMS; nb_dispatches++; } while (offsets_dispatched < s->nb_offsets); av_log(ctx, AV_LOG_VERBOSE, "Filter initialized, %i x/y offsets, %i dispatches\n", s->nb_offsets, nb_dispatches); s->initialized = 1; fail: if (spv) spv->uninit(&spv); return err; } static int denoise_pass(NLMeansVulkanContext *s, FFVkExecContext *exec, FFVkBuffer *ws_vk, uint32_t ws_stride[4]) { FFVulkanContext *vkctx = &s->vkctx; FFVulkanFunctions *vk = &vkctx->vkfn; VkBufferMemoryBarrier2 buf_bar[8]; int nb_buf_bar = 0; /* Denoise pass pipeline */ ff_vk_exec_bind_pipeline(vkctx, exec, &s->pl_denoise); /* Push data */ ff_vk_update_push_exec(vkctx, exec, &s->pl_denoise, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(DenoisePushData), &(DenoisePushData) { { ws_stride[0], ws_stride[1], ws_stride[2], ws_stride[3] }, }); buf_bar[nb_buf_bar++] = (VkBufferMemoryBarrier2) { .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER_2, .srcStageMask = ws_vk->stage, .dstStageMask = VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT, .srcAccessMask = ws_vk->access, .dstAccessMask = VK_ACCESS_2_SHADER_STORAGE_READ_BIT, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .buffer = ws_vk->buf, .size = ws_vk->size, .offset = 0, }; vk->CmdPipelineBarrier2(exec->buf, &(VkDependencyInfo) { .sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO, .pBufferMemoryBarriers = buf_bar, .bufferMemoryBarrierCount = nb_buf_bar, }); ws_vk->stage = buf_bar[0].dstStageMask; ws_vk->access = buf_bar[0].dstAccessMask; /* End of denoise pass */ vk->CmdDispatch(exec->buf, FFALIGN(vkctx->output_width, s->pl_denoise.wg_size[0])/s->pl_denoise.wg_size[0], FFALIGN(vkctx->output_height, s->pl_denoise.wg_size[1])/s->pl_denoise.wg_size[1], av_pix_fmt_count_planes(s->vkctx.output_format)); return 0; } static int nlmeans_vulkan_filter_frame(AVFilterLink *link, AVFrame *in) { int err; AVFrame *out = NULL; AVFilterContext *ctx = link->dst; NLMeansVulkanContext *s = ctx->priv; AVFilterLink *outlink = ctx->outputs[0]; FFVulkanContext *vkctx = &s->vkctx; FFVulkanFunctions *vk = &vkctx->vkfn; const AVPixFmtDescriptor *desc; int plane_widths[4]; int plane_heights[4]; int offsets_dispatched = 0; /* Integral */ AVBufferRef *integral_buf = NULL; FFVkBuffer *integral_vk; size_t int_stride; size_t int_size; /* Weights/sums */ AVBufferRef *ws_buf = NULL; FFVkBuffer *ws_vk; VkDeviceAddress weights_addr[4]; VkDeviceAddress sums_addr[4]; uint32_t ws_stride[4]; size_t ws_size[4]; size_t ws_total_size = 0; FFVkExecContext *exec; VkImageView in_views[AV_NUM_DATA_POINTERS]; VkImageView out_views[AV_NUM_DATA_POINTERS]; VkImageMemoryBarrier2 img_bar[8]; int nb_img_bar = 0; VkBufferMemoryBarrier2 buf_bar[8]; int nb_buf_bar = 0; if (!s->initialized) RET(init_filter(ctx)); desc = av_pix_fmt_desc_get(vkctx->output_format); if (!desc) return AVERROR(EINVAL); /* Integral image */ int_stride = s->pl_weights.wg_size[0]*s->pl_weights_rows*TYPE_SIZE; int_size = s->pl_weights.wg_size[0]*s->pl_weights_rows*int_stride; /* Plane dimensions */ for (int i = 0; i < desc->nb_components; i++) { plane_widths[i] = !i || (i == 3) ? vkctx->output_width : AV_CEIL_RSHIFT(vkctx->output_width, desc->log2_chroma_w); plane_heights[i] = !i || (i == 3) ? vkctx->output_height : AV_CEIL_RSHIFT(vkctx->output_height, desc->log2_chroma_w); plane_widths[i] = FFALIGN(plane_widths[i], s->pl_denoise.wg_size[0]); plane_heights[i] = FFALIGN(plane_heights[i], s->pl_denoise.wg_size[1]); ws_stride[i] = plane_widths[i]; ws_size[i] = ws_stride[i] * plane_heights[i] * sizeof(float); ws_total_size += ws_size[i]; } /* Buffers */ err = ff_vk_get_pooled_buffer(&s->vkctx, &s->integral_buf_pool, &integral_buf, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT, NULL, s->opts.t * int_size, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); if (err < 0) return err; integral_vk = (FFVkBuffer *)integral_buf->data; err = ff_vk_get_pooled_buffer(&s->vkctx, &s->ws_buf_pool, &ws_buf, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_SHADER_DEVICE_ADDRESS_BIT, NULL, ws_total_size * 2, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT); if (err < 0) return err; ws_vk = (FFVkBuffer *)ws_buf->data; weights_addr[0] = ws_vk->address; sums_addr[0] = ws_vk->address + ws_total_size; for (int i = 1; i < desc->nb_components; i++) { weights_addr[i] = weights_addr[i - 1] + ws_size[i - 1]; sums_addr[i] = sums_addr[i - 1] + ws_size[i - 1]; } /* Output frame */ out = ff_get_video_buffer(outlink, outlink->w, outlink->h); if (!out) { err = AVERROR(ENOMEM); goto fail; } /* Execution context */ exec = ff_vk_exec_get(&s->e); ff_vk_exec_start(vkctx, exec); /* Dependencies */ RET(ff_vk_exec_add_dep_frame(vkctx, exec, in, VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT)); RET(ff_vk_exec_add_dep_frame(vkctx, exec, out, VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT)); RET(ff_vk_exec_add_dep_buf(vkctx, exec, &integral_buf, 1, 0)); integral_buf = NULL; RET(ff_vk_exec_add_dep_buf(vkctx, exec, &ws_buf, 1, 0)); ws_buf = NULL; /* Input frame prep */ RET(ff_vk_create_imageviews(vkctx, exec, in_views, in)); ff_vk_update_descriptor_img_array(vkctx, &s->pl_weights, exec, in, in_views, 0, 0, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, s->sampler); ff_vk_frame_barrier(vkctx, exec, in, img_bar, &nb_img_bar, VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT, VK_ACCESS_SHADER_READ_BIT, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, VK_QUEUE_FAMILY_IGNORED); /* Output frame prep */ RET(ff_vk_create_imageviews(vkctx, exec, out_views, out)); ff_vk_frame_barrier(vkctx, exec, out, img_bar, &nb_img_bar, VK_PIPELINE_STAGE_2_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT, VK_ACCESS_SHADER_WRITE_BIT, VK_IMAGE_LAYOUT_GENERAL, VK_QUEUE_FAMILY_IGNORED); nb_buf_bar = 0; buf_bar[nb_buf_bar++] = (VkBufferMemoryBarrier2) { .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER_2, .srcStageMask = ws_vk->stage, .dstStageMask = VK_PIPELINE_STAGE_2_TRANSFER_BIT, .srcAccessMask = ws_vk->access, .dstAccessMask = VK_ACCESS_2_TRANSFER_WRITE_BIT, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .buffer = ws_vk->buf, .size = ws_vk->size, .offset = 0, }; buf_bar[nb_buf_bar++] = (VkBufferMemoryBarrier2) { .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER_2, .srcStageMask = integral_vk->stage, .dstStageMask = VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT, .srcAccessMask = integral_vk->access, .dstAccessMask = VK_ACCESS_2_SHADER_STORAGE_READ_BIT | VK_ACCESS_2_SHADER_STORAGE_WRITE_BIT, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .buffer = integral_vk->buf, .size = integral_vk->size, .offset = 0, }; vk->CmdPipelineBarrier2(exec->buf, &(VkDependencyInfo) { .sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO, .pImageMemoryBarriers = img_bar, .imageMemoryBarrierCount = nb_img_bar, .pBufferMemoryBarriers = buf_bar, .bufferMemoryBarrierCount = nb_buf_bar, }); ws_vk->stage = buf_bar[0].dstStageMask; ws_vk->access = buf_bar[0].dstAccessMask; integral_vk->stage = buf_bar[1].dstStageMask; integral_vk->access = buf_bar[1].dstAccessMask; /* Buffer zeroing */ vk->CmdFillBuffer(exec->buf, ws_vk->buf, 0, ws_vk->size, 0x0); nb_buf_bar = 0; buf_bar[nb_buf_bar++] = (VkBufferMemoryBarrier2) { .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER_2, .srcStageMask = ws_vk->stage, .dstStageMask = VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT, .srcAccessMask = ws_vk->access, .dstAccessMask = VK_ACCESS_2_SHADER_STORAGE_READ_BIT | VK_ACCESS_2_SHADER_STORAGE_WRITE_BIT, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .buffer = ws_vk->buf, .size = ws_vk->size, .offset = 0, }; vk->CmdPipelineBarrier2(exec->buf, &(VkDependencyInfo) { .sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO, .pBufferMemoryBarriers = buf_bar, .bufferMemoryBarrierCount = nb_buf_bar, }); ws_vk->stage = buf_bar[0].dstStageMask; ws_vk->access = buf_bar[0].dstAccessMask; /* Update weights descriptors */ ff_vk_update_descriptor_img_array(vkctx, &s->pl_weights, exec, in, in_views, 0, 0, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, s->sampler); for (int i = 0; i < desc->nb_components; i++) { RET(ff_vk_set_descriptor_buffer(&s->vkctx, &s->pl_weights, exec, 0, 1 + i*2 + 0, 0, weights_addr[i], ws_size[i], VK_FORMAT_UNDEFINED)); RET(ff_vk_set_descriptor_buffer(&s->vkctx, &s->pl_weights, exec, 0, 1 + i*2 + 1, 0, sums_addr[i], ws_size[i], VK_FORMAT_UNDEFINED)); } /* Update denoise descriptors */ ff_vk_update_descriptor_img_array(vkctx, &s->pl_denoise, exec, in, in_views, 0, 0, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, s->sampler); ff_vk_update_descriptor_img_array(vkctx, &s->pl_denoise, exec, out, out_views, 0, 1, VK_IMAGE_LAYOUT_GENERAL, s->sampler); for (int i = 0; i < desc->nb_components; i++) { RET(ff_vk_set_descriptor_buffer(&s->vkctx, &s->pl_denoise, exec, 0, 2 + i*2 + 0, 0, weights_addr[i], ws_size[i], VK_FORMAT_UNDEFINED)); RET(ff_vk_set_descriptor_buffer(&s->vkctx, &s->pl_denoise, exec, 0, 2 + i*2 + 1, 0, sums_addr[i], ws_size[i], VK_FORMAT_UNDEFINED)); } /* Weights pipeline */ ff_vk_exec_bind_pipeline(vkctx, exec, &s->pl_weights); do { int wg_invoc; HorizontalPushData pd = { { plane_widths[0], plane_widths[1], plane_widths[2], plane_widths[3] }, { plane_heights[0], plane_heights[1], plane_heights[2], plane_heights[3] }, { ws_stride[0], ws_stride[1], ws_stride[2], ws_stride[3] }, { s->patch[0], s->patch[1], s->patch[2], s->patch[3] }, { s->strength[0], s->strength[1], s->strength[2], s->strength[2], }, integral_vk->address, (uint64_t)int_size, (uint64_t)int_stride, offsets_dispatched, }; if (offsets_dispatched) { nb_buf_bar = 0; buf_bar[nb_buf_bar++] = (VkBufferMemoryBarrier2) { .sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER_2, .srcStageMask = integral_vk->stage, .dstStageMask = VK_PIPELINE_STAGE_2_COMPUTE_SHADER_BIT, .srcAccessMask = integral_vk->access, .dstAccessMask = VK_ACCESS_2_SHADER_STORAGE_READ_BIT | VK_ACCESS_2_SHADER_STORAGE_WRITE_BIT, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .buffer = integral_vk->buf, .size = integral_vk->size, .offset = 0, }; vk->CmdPipelineBarrier2(exec->buf, &(VkDependencyInfo) { .sType = VK_STRUCTURE_TYPE_DEPENDENCY_INFO, .pBufferMemoryBarriers = buf_bar, .bufferMemoryBarrierCount = nb_buf_bar, }); integral_vk->stage = buf_bar[1].dstStageMask; integral_vk->access = buf_bar[1].dstAccessMask; } /* Push data */ ff_vk_update_push_exec(vkctx, exec, &s->pl_weights, VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(pd), &pd); wg_invoc = FFMIN((s->nb_offsets - offsets_dispatched)/TYPE_ELEMS, s->opts.t); wg_invoc = FFMIN(wg_invoc, vkctx->props.properties.limits.maxComputeWorkGroupCount[2]); /* End of horizontal pass */ vk->CmdDispatch(exec->buf, 1, 1, wg_invoc); offsets_dispatched += wg_invoc * TYPE_ELEMS; } while (offsets_dispatched < s->nb_offsets); RET(denoise_pass(s, exec, ws_vk, ws_stride)); err = ff_vk_exec_submit(vkctx, exec); if (err < 0) return err; err = av_frame_copy_props(out, in); if (err < 0) goto fail; av_frame_free(&in); return ff_filter_frame(outlink, out); fail: av_buffer_unref(&integral_buf); av_buffer_unref(&ws_buf); av_frame_free(&in); av_frame_free(&out); return err; } static void nlmeans_vulkan_uninit(AVFilterContext *avctx) { NLMeansVulkanContext *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_weights); ff_vk_shader_free(vkctx, &s->shd_weights); ff_vk_pipeline_free(vkctx, &s->pl_denoise); ff_vk_shader_free(vkctx, &s->shd_denoise); av_buffer_pool_uninit(&s->integral_buf_pool); av_buffer_pool_uninit(&s->ws_buf_pool); if (s->sampler) vk->DestroySampler(vkctx->hwctx->act_dev, s->sampler, vkctx->hwctx->alloc); ff_vk_uninit(&s->vkctx); av_freep(&s->xoffsets); av_freep(&s->yoffsets); s->initialized = 0; } #define OFFSET(x) offsetof(NLMeansVulkanContext, x) #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) static const AVOption nlmeans_vulkan_options[] = { { "s", "denoising strength for all components", OFFSET(opts.s), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 }, 1.0, 100.0, FLAGS }, { "p", "patch size for all components", OFFSET(opts.p), AV_OPT_TYPE_INT, { .i64 = 3*2+1 }, 0, 99, FLAGS }, { "r", "research window radius", OFFSET(opts.r), AV_OPT_TYPE_INT, { .i64 = 7*2+1 }, 0, 99, FLAGS }, { "t", "parallelism", OFFSET(opts.t), AV_OPT_TYPE_INT, { .i64 = 36 }, 1, 168, FLAGS }, { "s1", "denoising strength for component 1", OFFSET(opts.sc[0]), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 }, 1.0, 100.0, FLAGS }, { "s2", "denoising strength for component 2", OFFSET(opts.sc[1]), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 }, 1.0, 100.0, FLAGS }, { "s3", "denoising strength for component 3", OFFSET(opts.sc[2]), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 }, 1.0, 100.0, FLAGS }, { "s4", "denoising strength for component 4", OFFSET(opts.sc[3]), AV_OPT_TYPE_DOUBLE, { .dbl = 1.0 }, 1.0, 100.0, FLAGS }, { "p1", "patch size for component 1", OFFSET(opts.pc[0]), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 99, FLAGS }, { "p2", "patch size for component 2", OFFSET(opts.pc[1]), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 99, FLAGS }, { "p3", "patch size for component 3", OFFSET(opts.pc[2]), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 99, FLAGS }, { "p4", "patch size for component 4", OFFSET(opts.pc[3]), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 99, FLAGS }, { NULL } }; AVFILTER_DEFINE_CLASS(nlmeans_vulkan); static const AVFilterPad nlmeans_vulkan_inputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .filter_frame = &nlmeans_vulkan_filter_frame, .config_props = &ff_vk_filter_config_input, }, }; static const AVFilterPad nlmeans_vulkan_outputs[] = { { .name = "default", .type = AVMEDIA_TYPE_VIDEO, .config_props = &ff_vk_filter_config_output, }, }; const AVFilter ff_vf_nlmeans_vulkan = { .name = "nlmeans_vulkan", .description = NULL_IF_CONFIG_SMALL("Non-local means denoiser (Vulkan)"), .priv_size = sizeof(NLMeansVulkanContext), .init = &ff_vk_filter_init, .uninit = &nlmeans_vulkan_uninit, FILTER_INPUTS(nlmeans_vulkan_inputs), FILTER_OUTPUTS(nlmeans_vulkan_outputs), FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN), .priv_class = &nlmeans_vulkan_class, .flags = AVFILTER_FLAG_HWDEVICE, .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, };