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author | Wu Jianhua <jianhua.wu@intel.com> | 2021-11-19 22:50:01 +0800 |
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committer | Lynne <dev@lynne.ee> | 2021-11-19 16:47:48 +0100 |
commit | 3188b606d7ed74080e9d8c84a35430421184d043 (patch) | |
tree | 1cdee5cdc9748a6e3d8fd5e05f923ba5bed3691e /libavfilter/vf_flip_vulkan.c | |
parent | d313cb5a2f62c4d75f554bca25833216dd637c9b (diff) |
avfilter: add a vflip_vulkan filter
The following command is on how to apply vflip_vulkan filter:
ffmpeg -init_hw_device vulkan -i input.264 -vf hwupload=extra_hw_frames=16,vflip_vulkan,hwdownload,format=yuv420p output.264
Signed-off-by: Wu Jianhua <jianhua.wu@intel.com>
Diffstat (limited to 'libavfilter/vf_flip_vulkan.c')
-rw-r--r-- | libavfilter/vf_flip_vulkan.c | 332 |
1 files changed, 332 insertions, 0 deletions
diff --git a/libavfilter/vf_flip_vulkan.c b/libavfilter/vf_flip_vulkan.c new file mode 100644 index 0000000000..e9e04db91b --- /dev/null +++ b/libavfilter/vf_flip_vulkan.c @@ -0,0 +1,332 @@ +/* + * 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 +}; + +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; + 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 flip_vulkan_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 flip_vulkan_filter_frame(link, in, FLIP_HORIZONTAL); +} + +static int vflip_vulkan_filter_frame(AVFilterLink *link, AVFrame *in) +{ + return flip_vulkan_filter_frame(link, in, FLIP_VERTICAL); +} + +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 flip_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(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, +}; 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