| /* |
| * copyright (c) 2021 Wu Jianhua <jianhua.wu@intel.com> |
| * 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 |
| |
| enum FlipType { |
| FLIP_VERTICAL, |
| FLIP_HORIZONTAL, |
| FLIP_BOTH |
| }; |
| |
| typedef struct FlipVulkanContext { |
| FFVulkanContext vkctx; |
| FFVkQueueFamilyCtx qf; |
| FFVkExecContext *exec; |
| FFVulkanPipeline *pl; |
| |
| VkDescriptorImageInfo input_images[3]; |
| VkDescriptorImageInfo output_images[3]; |
| |
| int initialized; |
| } FlipVulkanContext; |
| |
| static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in, enum FlipType type) |
| { |
| int err = 0; |
| FFVkSPIRVShader *shd; |
| FlipVulkanContext *s = ctx->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, "flip_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)) { ); |
| switch (type) |
| { |
| case FLIP_HORIZONTAL: |
| GLSLF(2, vec4 res = texture(input_image[%i], ivec2(size.x - pos.x, pos.y)); ,i); |
| break; |
| case FLIP_VERTICAL: |
| GLSLF(2, vec4 res = texture(input_image[%i], ivec2(pos.x, size.y - pos.y)); ,i); |
| break; |
| case FLIP_BOTH: |
| GLSLF(2, vec4 res = texture(input_image[%i], ivec2(size.xy - pos.xy));, i); |
| break; |
| default: |
| GLSLF(2, vec4 res = texture(input_image[%i], pos); ,i); |
| break; |
| } |
| 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 flip_vulkan_uninit(AVFilterContext *avctx) |
| { |
| FlipVulkanContext *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; |
| FlipVulkanContext *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 filter_frame(AVFilterLink *link, AVFrame *in, enum FlipType type) |
| { |
| int err; |
| AVFrame *out = NULL; |
| AVFilterContext *ctx = link->dst; |
| FlipVulkanContext *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, type)); |
| |
| 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 int hflip_vulkan_filter_frame(AVFilterLink *link, AVFrame *in) |
| { |
| return filter_frame(link, in, FLIP_HORIZONTAL); |
| } |
| |
| static int vflip_vulkan_filter_frame(AVFilterLink *link, AVFrame *in) |
| { |
| return filter_frame(link, in, FLIP_VERTICAL); |
| } |
| |
| static int flip_vulkan_filter_frame(AVFilterLink *link, AVFrame *in) |
| { |
| return filter_frame(link, in, FLIP_BOTH); |
| } |
| |
| static const AVFilterPad flip_vulkan_outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .config_props = &ff_vk_filter_config_output, |
| } |
| }; |
| |
| 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, |
| } |
| }; |
| |
| const AVFilter ff_vf_hflip_vulkan = { |
| .name = "hflip_vulkan", |
| .description = NULL_IF_CONFIG_SMALL("Horizontally flip the input video in Vulkan"), |
| .priv_size = sizeof(FlipVulkanContext), |
| .init = &ff_vk_filter_init, |
| .uninit = &flip_vulkan_uninit, |
| FILTER_INPUTS(hflip_vulkan_inputs), |
| FILTER_OUTPUTS(flip_vulkan_outputs), |
| FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN), |
| .priv_class = &hflip_vulkan_class, |
| .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
| }; |
| |
| static const AVOption vflip_vulkan_options[] = { |
| { NULL }, |
| }; |
| |
| AVFILTER_DEFINE_CLASS(vflip_vulkan); |
| |
| static const AVFilterPad vflip_vulkan_inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = &vflip_vulkan_filter_frame, |
| .config_props = &ff_vk_filter_config_input, |
| } |
| }; |
| |
| const AVFilter ff_vf_vflip_vulkan = { |
| .name = "vflip_vulkan", |
| .description = NULL_IF_CONFIG_SMALL("Vertically flip the input video in Vulkan"), |
| .priv_size = sizeof(FlipVulkanContext), |
| .init = &ff_vk_filter_init, |
| .uninit = &flip_vulkan_uninit, |
| FILTER_INPUTS(vflip_vulkan_inputs), |
| FILTER_OUTPUTS(flip_vulkan_outputs), |
| FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN), |
| .priv_class = &vflip_vulkan_class, |
| .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
| }; |
| |
| static const AVOption flip_vulkan_options[] = { |
| { NULL }, |
| }; |
| |
| AVFILTER_DEFINE_CLASS(flip_vulkan); |
| |
| static const AVFilterPad flip_vulkan_inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = &flip_vulkan_filter_frame, |
| .config_props = &ff_vk_filter_config_input, |
| } |
| }; |
| |
| const AVFilter ff_vf_flip_vulkan = { |
| .name = "flip_vulkan", |
| .description = NULL_IF_CONFIG_SMALL("Flip both horizontally and vertically"), |
| .priv_size = sizeof(FlipVulkanContext), |
| .init = &ff_vk_filter_init, |
| .uninit = &flip_vulkan_uninit, |
| FILTER_INPUTS(flip_vulkan_inputs), |
| FILTER_OUTPUTS(flip_vulkan_outputs), |
| FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN), |
| .priv_class = &flip_vulkan_class, |
| .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, |
| }; |