From d313cb5a2f62c4d75f554bca25833216dd637c9b Mon Sep 17 00:00:00 2001 From: Wu Jianhua Date: Fri, 19 Nov 2021 22:50:00 +0800 Subject: [PATCH] avfilter: add a hflip_vulkan filter The following command is on how to apply hflip_vulkan filter: ffmpeg -init_hw_device vulkan -i input.264 -vf hwupload=extra_hw_frames=16,hflip_vulkan,hwdownload,format=yuv420p output.264 Signed-off-by: Wu Jianhua --- configure | 1 + libavfilter/Makefile | 1 + libavfilter/allfilters.c | 1 + libavfilter/vf_hflip_vulkan.c | 278 ++++++++++++++++++++++++++++++++++ 4 files changed, 281 insertions(+) create mode 100644 libavfilter/vf_hflip_vulkan.c diff --git a/configure b/configure index a5f5d15b04..37a738a0dd 100755 --- a/configure +++ b/configure @@ -3616,6 +3616,7 @@ frei0r_filter_deps="frei0r" frei0r_src_filter_deps="frei0r" fspp_filter_deps="gpl" gblur_vulkan_filter_deps="vulkan spirv_compiler" +hflip_vulkan_filter_deps="vulkan spirv_compiler" histeq_filter_deps="gpl" hqdn3d_filter_deps="gpl" interlace_filter_deps="gpl" diff --git a/libavfilter/Makefile b/libavfilter/Makefile index b94503a4ae..7ac29e2114 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -298,6 +298,7 @@ OBJS-$(CONFIG_GREYEDGE_FILTER) += vf_colorconstancy.o OBJS-$(CONFIG_GUIDED_FILTER) += vf_guided.o OBJS-$(CONFIG_HALDCLUT_FILTER) += vf_lut3d.o framesync.o OBJS-$(CONFIG_HFLIP_FILTER) += vf_hflip.o +OBJS-$(CONFIG_HFLIP_VULKAN_FILTER) += vf_hflip_vulkan.o vulkan.o OBJS-$(CONFIG_HISTEQ_FILTER) += vf_histeq.o OBJS-$(CONFIG_HISTOGRAM_FILTER) += vf_histogram.o OBJS-$(CONFIG_HQDN3D_FILTER) += vf_hqdn3d.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 29da7ef0d2..82c50cba49 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -283,6 +283,7 @@ extern const AVFilter ff_vf_greyedge; extern const AVFilter ff_vf_guided; extern const AVFilter ff_vf_haldclut; extern const AVFilter ff_vf_hflip; +extern const AVFilter ff_vf_hflip_vulkan; extern const AVFilter ff_vf_histeq; extern const AVFilter ff_vf_histogram; extern const AVFilter ff_vf_hqdn3d; diff --git a/libavfilter/vf_hflip_vulkan.c b/libavfilter/vf_hflip_vulkan.c new file mode 100644 index 0000000000..b3a3d0b2aa --- /dev/null +++ b/libavfilter/vf_hflip_vulkan.c @@ -0,0 +1,278 @@ +/* + * copyright (c) 2021 Wu Jianhua + * 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 "internal.h" + +#define CGS 32 + +typedef struct HFlipVulkanContext { + FFVulkanContext vkctx; + FFVkQueueFamilyCtx qf; + FFVkExecContext *exec; + FFVulkanPipeline *pl; + + VkDescriptorImageInfo input_images[3]; + VkDescriptorImageInfo output_images[3]; + + int initialized; +} HFlipVulkanContext; + +static av_cold int init_filter(AVFilterContext *avctx, AVFrame *in) +{ + int err = 0; + FFVkSPIRVShader *shd; + HFlipVulkanContext *s = avctx->priv; + FFVulkanContext *vkctx = &s->vkctx; + const int planes = av_pix_fmt_count_planes(s->vkctx.output_format); + + FFVulkanDescriptorSetBinding image_descs[] = { + { + .name = "input_image", + .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, + .dimensions = 2, + .elems = planes, + .stages = VK_SHADER_STAGE_COMPUTE_BIT, + .updater = s->input_images, + }, + { + .name = "output_image", + .type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, + .mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format), + .mem_quali = "writeonly", + .dimensions = 2, + .elems = planes, + .stages = VK_SHADER_STAGE_COMPUTE_BIT, + .updater = s->output_images, + }, + }; + + image_descs[0].sampler = ff_vk_init_sampler(vkctx, 1, VK_FILTER_LINEAR); + if (!image_descs[0].sampler) + return AVERROR_EXTERNAL; + + ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT, 0); + + { + s->pl = ff_vk_create_pipeline(vkctx, &s->qf); + if (!s->pl) + return AVERROR(ENOMEM); + + shd = ff_vk_init_shader(s->pl, "hflip_compute", image_descs[0].stages); + if (!shd) + return AVERROR(ENOMEM); + + ff_vk_set_compute_shader_sizes(shd, (int [3]){ CGS, 1, 1 }); + RET(ff_vk_add_descriptor_set(vkctx, s->pl, shd, image_descs, FF_ARRAY_ELEMS(image_descs), 0)); + + GLSLC(0, void main() ); + GLSLC(0, { ); + GLSLC(1, ivec2 size; ); + GLSLC(1, const ivec2 pos = ivec2(gl_GlobalInvocationID.xy); ); + for (int i = 0; i < planes; i++) { + GLSLC(0, ); + GLSLF(1, size = imageSize(output_image[%i]); ,i); + GLSLC(1, if (IS_WITHIN(pos, size)) { ); + GLSLF(2, vec4 res = texture(input_image[%i], ivec2(size.x - pos.x, pos.y)); ,i); + GLSLF(2, imageStore(output_image[%i], pos, res); ,i); + GLSLC(1, } ); + } + GLSLC(0, } ); + + RET(ff_vk_compile_shader(vkctx, shd, "main")); + RET(ff_vk_init_pipeline_layout(vkctx, s->pl)); + RET(ff_vk_init_compute_pipeline(vkctx, s->pl)); + } + + RET(ff_vk_create_exec_ctx(vkctx, &s->exec, &s->qf)); + s->initialized = 1; + +fail: + return err; +} + +static av_cold void hflip_vulkan_uninit(AVFilterContext *avctx) +{ + HFlipVulkanContext *s = avctx->priv; + ff_vk_uninit(&s->vkctx); + + s->initialized = 0; +} + +static int process_frames(AVFilterContext *avctx, AVFrame *outframe, AVFrame *inframe) +{ + int err = 0; + VkCommandBuffer cmd_buf; + HFlipVulkanContext *s = avctx->priv; + FFVulkanContext *vkctx = &s->vkctx; + FFVulkanFunctions *vk = &s->vkctx.vkfn; + AVVkFrame *in = (AVVkFrame *)inframe->data[0]; + AVVkFrame *out = (AVVkFrame *)outframe->data[0]; + const int planes = av_pix_fmt_count_planes(s->vkctx.output_format); + const VkFormat *input_formats = av_vkfmt_from_pixfmt(s->vkctx.input_format); + const VkFormat *output_formats = av_vkfmt_from_pixfmt(s->vkctx.output_format); + + ff_vk_start_exec_recording(vkctx, s->exec); + cmd_buf = ff_vk_get_exec_buf(s->exec); + + for (int i = 0; i < planes; i++) { + RET(ff_vk_create_imageview(vkctx, s->exec, + &s->input_images[i].imageView, in->img[i], + input_formats[i], + ff_comp_identity_map)); + + RET(ff_vk_create_imageview(vkctx, s->exec, + &s->output_images[i].imageView, out->img[i], + output_formats[i], + ff_comp_identity_map)); + + s->input_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL; + } + + ff_vk_update_descriptor_set(vkctx, s->pl, 0); + + for (int i = 0; i < planes; i++) { + VkImageMemoryBarrier barriers[] = { + { + .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, + .srcAccessMask = 0, + .dstAccessMask = VK_ACCESS_SHADER_READ_BIT, + .oldLayout = in->layout[i], + .newLayout = s->input_images[i].imageLayout, + .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, + .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, + .image = in->img[i], + .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, + .subresourceRange.levelCount = 1, + .subresourceRange.layerCount = 1, + }, + { + .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, + .srcAccessMask = 0, + .dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT, + .oldLayout = out->layout[i], + .newLayout = s->output_images[i].imageLayout, + .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, + .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, + .image = out->img[i], + .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, + .subresourceRange.levelCount = 1, + .subresourceRange.layerCount = 1, + }, + }; + + vk->CmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, + VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, + 0, NULL, 0, NULL, FF_ARRAY_ELEMS(barriers), barriers); + + in->layout[i] = barriers[0].newLayout; + in->access[i] = barriers[0].dstAccessMask; + + out->layout[i] = barriers[1].newLayout; + out->access[i] = barriers[1].dstAccessMask; + } + + ff_vk_bind_pipeline_exec(vkctx, s->exec, s->pl); + vk->CmdDispatch(cmd_buf, FFALIGN(s->vkctx.output_width, CGS)/CGS, + s->vkctx.output_height, 1); + + ff_vk_add_exec_dep(vkctx, s->exec, inframe, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT); + ff_vk_add_exec_dep(vkctx, s->exec, outframe, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT); + + err = ff_vk_submit_exec_queue(vkctx, s->exec); + if (err) + return err; + + ff_vk_qf_rotate(&s->qf); + + return 0; +fail: + ff_vk_discard_exec_deps(s->exec); + return err; +} + +static int hflip_vulkan_filter_frame(AVFilterLink *link, AVFrame *in) +{ + int err; + AVFrame *out = NULL; + AVFilterContext *ctx = link->dst; + HFlipVulkanContext *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; + } + + if (!s->initialized) + RET(init_filter(ctx, in)); + + RET(process_frames(ctx, out, in)); + + RET(av_frame_copy_props(out, in)); + + av_frame_free(&in); + + return ff_filter_frame(outlink, out); + +fail: + av_frame_free(&in); + av_frame_free(&out); + return err; +} + +static const AVOption hflip_vulkan_options[] = { + { NULL }, +}; + +AVFILTER_DEFINE_CLASS(hflip_vulkan); + +static const AVFilterPad hflip_vulkan_inputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .filter_frame = &hflip_vulkan_filter_frame, + .config_props = &ff_vk_filter_config_input, + } +}; + +static const AVFilterPad hflip_vulkan_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = &ff_vk_filter_config_output, + } +}; + +const AVFilter ff_vf_hflip_vulkan = { + .name = "hflip_vulkan", + .description = NULL_IF_CONFIG_SMALL("Horizontally flip the input video in Vulkan"), + .priv_size = sizeof(HFlipVulkanContext), + .init = &ff_vk_filter_init, + .uninit = &hflip_vulkan_uninit, + FILTER_INPUTS(hflip_vulkan_inputs), + FILTER_OUTPUTS(hflip_vulkan_outputs), + FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN), + .priv_class = &hflip_vulkan_class, + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, +};