diff options
author | Lynne <dev@lynne.ee> | 2019-10-27 17:46:16 +0300 |
---|---|---|
committer | Lynne <dev@lynne.ee> | 2020-02-05 02:19:48 +0300 |
commit | 7bb443137c656857449d56d1212d09a7018819b0 (patch) | |
tree | f782b0d009ea0acd7a264738e6028fc9164d9f9c | |
parent | d95c509cc64372f8b37d89310250785224751a90 (diff) |
lavfi: add an overlay_vulkan filter
This commit adds a basic, non-converting overlay filter for Vulkan.
-rwxr-xr-x | configure | 1 | ||||
-rw-r--r-- | libavfilter/Makefile | 1 | ||||
-rw-r--r-- | libavfilter/allfilters.c | 1 | ||||
-rw-r--r-- | libavfilter/vf_overlay_vulkan.c | 463 |
4 files changed, 466 insertions, 0 deletions
@@ -3531,6 +3531,7 @@ openclsrc_filter_deps="opencl" overlay_opencl_filter_deps="opencl" overlay_qsv_filter_deps="libmfx" overlay_qsv_filter_select="qsvvpp" +overlay_vulkan_filter_deps="vulkan libglslang" owdenoise_filter_deps="gpl" pan_filter_deps="swresample" perspective_filter_deps="gpl" diff --git a/libavfilter/Makefile b/libavfilter/Makefile index ed3155670e..217ba2217a 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -323,6 +323,7 @@ OBJS-$(CONFIG_OVERLAY_FILTER) += vf_overlay.o framesync.o OBJS-$(CONFIG_OVERLAY_OPENCL_FILTER) += vf_overlay_opencl.o opencl.o \ opencl/overlay.o framesync.o OBJS-$(CONFIG_OVERLAY_QSV_FILTER) += vf_overlay_qsv.o framesync.o +OBJS-$(CONFIG_OVERLAY_VULKAN_FILTER) += vf_overlay_vulkan.o vulkan.o OBJS-$(CONFIG_OWDENOISE_FILTER) += vf_owdenoise.o OBJS-$(CONFIG_PAD_FILTER) += vf_pad.o OBJS-$(CONFIG_PALETTEGEN_FILTER) += vf_palettegen.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 25e607b359..747d65a5b0 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -307,6 +307,7 @@ extern AVFilter ff_vf_oscilloscope; extern AVFilter ff_vf_overlay; extern AVFilter ff_vf_overlay_opencl; extern AVFilter ff_vf_overlay_qsv; +extern AVFilter ff_vf_overlay_vulkan; extern AVFilter ff_vf_owdenoise; extern AVFilter ff_vf_pad; extern AVFilter ff_vf_palettegen; diff --git a/libavfilter/vf_overlay_vulkan.c b/libavfilter/vf_overlay_vulkan.c new file mode 100644 index 0000000000..7cedcc6e88 --- /dev/null +++ b/libavfilter/vf_overlay_vulkan.c @@ -0,0 +1,463 @@ +/* + * 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/opt.h" +#include "vulkan.h" +#include "internal.h" +#include "framesync.h" + +#define CGROUPS (int [3]){ 32, 32, 1 } + +typedef struct OverlayVulkanContext { + VulkanFilterContext vkctx; + + int initialized; + VulkanPipeline *pl; + FFVkExecContext *exec; + FFFrameSync fs; + FFVkBuffer params_buf; + + /* Shader updators, must be in the main filter struct */ + VkDescriptorImageInfo main_images[3]; + VkDescriptorImageInfo overlay_images[3]; + VkDescriptorImageInfo output_images[3]; + VkDescriptorBufferInfo params_desc; + + int overlay_x; + int overlay_y; + int overlay_w; + int overlay_h; +} OverlayVulkanContext; + +static const char overlay_noalpha[] = { + C(0, void overlay_noalpha(int i, ivec2 pos) ) + C(0, { ) + C(1, if ((o_offset[i].x <= pos.x) && (o_offset[i].y <= pos.y) && + (pos.x < (o_offset[i].x + o_size[i].x)) && + (pos.y < (o_offset[i].y + o_size[i].y))) { ) + C(2, vec4 res = texture(overlay_img[i], pos - o_offset[i]); ) + C(2, imageStore(output_img[i], pos, res); ) + C(1, } else { ) + C(2, vec4 res = texture(main_img[i], pos); ) + C(2, imageStore(output_img[i], pos, res); ) + C(1, } ) + C(0, } ) +}; + +static av_cold int init_filter(AVFilterContext *ctx) +{ + int err; + OverlayVulkanContext *s = ctx->priv; + VkSampler *sampler = ff_vk_init_sampler(ctx, 1, VK_FILTER_LINEAR); + if (!sampler) + return AVERROR_EXTERNAL; + + s->pl = ff_vk_create_pipeline(ctx); + if (!s->pl) + return AVERROR(ENOMEM); + + { /* Create the shader */ + const int planes = av_pix_fmt_count_planes(s->vkctx.output_format); + + VulkanDescriptorSetBinding desc_i[3] = { + { + .name = "main_img", + .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, + .dimensions = 2, + .elems = planes, + .stages = VK_SHADER_STAGE_COMPUTE_BIT, + .updater = s->main_images, + .samplers = DUP_SAMPLER_ARRAY4(*sampler), + }, + { + .name = "overlay_img", + .type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, + .dimensions = 2, + .elems = planes, + .stages = VK_SHADER_STAGE_COMPUTE_BIT, + .updater = s->overlay_images, + .samplers = DUP_SAMPLER_ARRAY4(*sampler), + }, + { + .name = "output_img", + .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, + }, + }; + + VulkanDescriptorSetBinding desc_b = { + .name = "params", + .type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, + .mem_quali = "readonly", + .mem_layout = "std430", + .stages = VK_SHADER_STAGE_COMPUTE_BIT, + .updater = &s->params_desc, + .buf_content = "ivec2 o_offset[3], o_size[3];", + }; + + SPIRVShader *shd = ff_vk_init_shader(ctx, s->pl, "overlay_compute", + VK_SHADER_STAGE_COMPUTE_BIT); + if (!shd) + return AVERROR(ENOMEM); + + ff_vk_set_compute_shader_sizes(ctx, shd, CGROUPS); + + RET(ff_vk_add_descriptor_set(ctx, s->pl, shd, desc_i, 3, 0)); /* set 0 */ + RET(ff_vk_add_descriptor_set(ctx, s->pl, shd, &desc_b, 1, 0)); /* set 1 */ + + GLSLD( overlay_noalpha ); + GLSLC(0, void main() ); + GLSLC(0, { ); + GLSLC(1, ivec2 pos = ivec2(gl_GlobalInvocationID.xy); ); + GLSLF(1, int planes = %i; ,planes); + GLSLC(1, for (int i = 0; i < planes; i++) { ); + GLSLC(2, overlay_noalpha(i, pos); ); + GLSLC(1, } ); + GLSLC(0, } ); + + RET(ff_vk_compile_shader(ctx, shd, "main")); + } + + RET(ff_vk_init_pipeline_layout(ctx, s->pl)); + RET(ff_vk_init_compute_pipeline(ctx, s->pl)); + + { /* Create and update buffer */ + const AVPixFmtDescriptor *desc; + + /* NOTE: std430 requires the same identical struct layout, padding and + * alignment as C, so we're allowed to do this, as this will map + * exactly to what the shader recieves */ + struct { + int32_t o_offset[2*3]; + int32_t o_size[2*3]; + } *par; + + err = ff_vk_create_buf(ctx, &s->params_buf, + sizeof(*par), + VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, + VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT); + if (err) + return err; + + err = ff_vk_map_buffers(ctx, &s->params_buf, (uint8_t **)&par, 1, 0); + if (err) + return err; + + desc = av_pix_fmt_desc_get(s->vkctx.output_format); + + par->o_offset[0] = s->overlay_x; + par->o_offset[1] = s->overlay_y; + par->o_offset[2] = par->o_offset[0] >> desc->log2_chroma_w; + par->o_offset[3] = par->o_offset[1] >> desc->log2_chroma_h; + par->o_offset[4] = par->o_offset[0] >> desc->log2_chroma_w; + par->o_offset[5] = par->o_offset[1] >> desc->log2_chroma_h; + + par->o_size[0] = s->overlay_w; + par->o_size[1] = s->overlay_h; + par->o_size[2] = par->o_size[0] >> desc->log2_chroma_w; + par->o_size[3] = par->o_size[1] >> desc->log2_chroma_h; + par->o_size[4] = par->o_size[0] >> desc->log2_chroma_w; + par->o_size[5] = par->o_size[1] >> desc->log2_chroma_h; + + err = ff_vk_unmap_buffers(ctx, &s->params_buf, 1, 1); + if (err) + return err; + + s->params_desc.buffer = s->params_buf.buf; + s->params_desc.range = VK_WHOLE_SIZE; + + ff_vk_update_descriptor_set(ctx, s->pl, 1); + } + + /* Execution context */ + RET(ff_vk_create_exec_ctx(ctx, &s->exec, + s->vkctx.hwctx->queue_family_comp_index)); + + s->initialized = 1; + + return 0; + +fail: + return err; +} + +static int process_frames(AVFilterContext *avctx, AVFrame *out_f, + AVFrame *main_f, AVFrame *overlay_f) +{ + int err; + OverlayVulkanContext *s = avctx->priv; + int planes = av_pix_fmt_count_planes(s->vkctx.output_format); + + AVVkFrame *out = (AVVkFrame *)out_f->data[0]; + AVVkFrame *main = (AVVkFrame *)main_f->data[0]; + AVVkFrame *overlay = (AVVkFrame *)overlay_f->data[0]; + + AVHWFramesContext *main_fc = (AVHWFramesContext*)main_f->hw_frames_ctx->data; + AVHWFramesContext *overlay_fc = (AVHWFramesContext*)overlay_f->hw_frames_ctx->data; + + for (int i = 0; i < planes; i++) { + RET(ff_vk_create_imageview(avctx, &s->main_images[i].imageView, main->img[i], + av_vkfmt_from_pixfmt(main_fc->sw_format)[i], + ff_comp_identity_map)); + + RET(ff_vk_create_imageview(avctx, &s->overlay_images[i].imageView, overlay->img[i], + av_vkfmt_from_pixfmt(overlay_fc->sw_format)[i], + ff_comp_identity_map)); + + RET(ff_vk_create_imageview(avctx, &s->output_images[i].imageView, out->img[i], + av_vkfmt_from_pixfmt(s->vkctx.output_format)[i], + ff_comp_identity_map)); + + s->main_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + s->overlay_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; + s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL; + } + + ff_vk_update_descriptor_set(avctx, s->pl, 0); + + ff_vk_start_exec_recording(avctx, s->exec); + + for (int i = 0; i < planes; i++) { + VkImageMemoryBarrier bar[3] = { + { + .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, + .srcAccessMask = 0, + .dstAccessMask = VK_ACCESS_SHADER_READ_BIT, + .oldLayout = main->layout[i], + .newLayout = s->main_images[i].imageLayout, + .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, + .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, + .image = main->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_READ_BIT, + .oldLayout = overlay->layout[i], + .newLayout = s->overlay_images[i].imageLayout, + .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, + .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, + .image = overlay->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, + }, + }; + + vkCmdPipelineBarrier(s->exec->buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, + VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0, + 0, NULL, 0, NULL, FF_ARRAY_ELEMS(bar), bar); + + main->layout[i] = bar[0].newLayout; + main->access[i] = bar[0].dstAccessMask; + + overlay->layout[i] = bar[1].newLayout; + overlay->access[i] = bar[1].dstAccessMask; + + out->layout[i] = bar[2].newLayout; + out->access[i] = bar[2].dstAccessMask; + } + + ff_vk_bind_pipeline_exec(avctx, s->exec, s->pl); + + vkCmdDispatch(s->exec->buf, + FFALIGN(s->vkctx.output_width, CGROUPS[0])/CGROUPS[0], + FFALIGN(s->vkctx.output_height, CGROUPS[1])/CGROUPS[1], 1); + + ff_vk_add_exec_dep(avctx, s->exec, main_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT); + ff_vk_add_exec_dep(avctx, s->exec, overlay_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT); + 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; + +fail: + + for (int i = 0; i < planes; i++) { + ff_vk_destroy_imageview(avctx, &s->main_images[i].imageView); + ff_vk_destroy_imageview(avctx, &s->overlay_images[i].imageView); + ff_vk_destroy_imageview(avctx, &s->output_images[i].imageView); + } + + return err; +} + +static int overlay_vulkan_blend(FFFrameSync *fs) +{ + int err; + AVFilterContext *ctx = fs->parent; + OverlayVulkanContext *s = ctx->priv; + AVFilterLink *outlink = ctx->outputs[0]; + AVFrame *input_main, *input_overlay, *out; + + err = ff_framesync_get_frame(fs, 0, &input_main, 0); + if (err < 0) + goto fail; + err = ff_framesync_get_frame(fs, 1, &input_overlay, 0); + if (err < 0) + goto fail; + + if (!input_main || !input_overlay) + return 0; + + if (!s->initialized) { + AVHWFramesContext *main_fc = (AVHWFramesContext*)input_main->hw_frames_ctx->data; + AVHWFramesContext *overlay_fc = (AVHWFramesContext*)input_overlay->hw_frames_ctx->data; + if (main_fc->sw_format != overlay_fc->sw_format) { + av_log(ctx, AV_LOG_ERROR, "Mismatching sw formats!\n"); + return AVERROR(EINVAL); + } + + s->overlay_w = input_overlay->width; + s->overlay_h = input_overlay->height; + + RET(init_filter(ctx)); + } + + out = ff_get_video_buffer(outlink, outlink->w, outlink->h); + if (!out) { + err = AVERROR(ENOMEM); + goto fail; + } + + RET(process_frames(ctx, out, input_main, input_overlay)); + + err = av_frame_copy_props(out, input_main); + if (err < 0) + goto fail; + + return ff_filter_frame(outlink, out); + +fail: + av_frame_free(&out); + return err; +} + +static int overlay_vulkan_config_output(AVFilterLink *outlink) +{ + int err; + AVFilterContext *avctx = outlink->src; + OverlayVulkanContext *s = avctx->priv; + + err = ff_vk_filter_config_output(outlink); + if (err < 0) + return err; + + err = ff_framesync_init_dualinput(&s->fs, avctx); + if (err < 0) + return err; + + return ff_framesync_configure(&s->fs); +} + +static int overlay_vulkan_activate(AVFilterContext *avctx) +{ + OverlayVulkanContext *s = avctx->priv; + + return ff_framesync_activate(&s->fs); +} + +static av_cold int overlay_vulkan_init(AVFilterContext *avctx) +{ + OverlayVulkanContext *s = avctx->priv; + + s->fs.on_event = &overlay_vulkan_blend; + + return ff_vk_filter_init(avctx); +} + +static void overlay_vulkan_uninit(AVFilterContext *avctx) +{ + OverlayVulkanContext *s = avctx->priv; + + ff_vk_filter_uninit(avctx); + ff_framesync_uninit(&s->fs); + + ff_vk_free_buf(avctx, &s->params_buf); + + s->initialized = 0; +} + +#define OFFSET(x) offsetof(OverlayVulkanContext, x) +#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) +static const AVOption overlay_vulkan_options[] = { + { "x", "Set horizontal offset", OFFSET(overlay_x), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, .flags = FLAGS }, + { "y", "Set vertical offset", OFFSET(overlay_y), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, .flags = FLAGS }, + { NULL }, +}; + +AVFILTER_DEFINE_CLASS(overlay_vulkan); + +static const AVFilterPad overlay_vulkan_inputs[] = { + { + .name = "main", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = &ff_vk_filter_config_input, + }, + { + .name = "overlay", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = &ff_vk_filter_config_input, + }, + { NULL } +}; + +static const AVFilterPad overlay_vulkan_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = &overlay_vulkan_config_output, + }, + { NULL } +}; + +AVFilter ff_vf_overlay_vulkan = { + .name = "overlay_vulkan", + .description = NULL_IF_CONFIG_SMALL("Overlay a source on top of another"), + .priv_size = sizeof(OverlayVulkanContext), + .init = &overlay_vulkan_init, + .uninit = &overlay_vulkan_uninit, + .query_formats = &ff_vk_filter_query_formats, + .activate = &overlay_vulkan_activate, + .inputs = overlay_vulkan_inputs, + .outputs = overlay_vulkan_outputs, + .priv_class = &overlay_vulkan_class, + .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, +}; |