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https://gitee.com/openharmony/third_party_ffmpeg
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lavfi: add an scale_vulkan filter
This commit adds a basic, non-converting Vulkan scaling filter.
This commit is contained in:
Lynne
parent
6fca61bbc9
commit
d95c509cc6
1
configure
vendored
1
configure
vendored
@ -3598,6 +3598,7 @@ zmq_filter_deps="libzmq"
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zoompan_filter_deps="swscale"
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zscale_filter_deps="libzimg const_nan"
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scale_vaapi_filter_deps="vaapi"
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scale_vulkan_filter_deps="vulkan libglslang"
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vpp_qsv_filter_deps="libmfx"
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vpp_qsv_filter_select="qsvvpp"
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xfade_opencl_filter_deps="opencl"
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@ -365,6 +365,7 @@ OBJS-$(CONFIG_SCALE_CUDA_FILTER) += vf_scale_cuda.o vf_scale_cuda.pt
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OBJS-$(CONFIG_SCALE_NPP_FILTER) += vf_scale_npp.o scale_eval.o
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OBJS-$(CONFIG_SCALE_QSV_FILTER) += vf_scale_qsv.o
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OBJS-$(CONFIG_SCALE_VAAPI_FILTER) += vf_scale_vaapi.o scale_eval.o vaapi_vpp.o
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OBJS-$(CONFIG_SCALE_VULKAN_FILTER) += vf_scale_vulkan.o vulkan.o
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OBJS-$(CONFIG_SCALE2REF_FILTER) += vf_scale.o scale_eval.o
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OBJS-$(CONFIG_SCROLL_FILTER) += vf_scroll.o
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OBJS-$(CONFIG_SELECT_FILTER) += f_select.o
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@ -347,6 +347,7 @@ extern AVFilter ff_vf_scale_cuda;
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extern AVFilter ff_vf_scale_npp;
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extern AVFilter ff_vf_scale_qsv;
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extern AVFilter ff_vf_scale_vaapi;
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extern AVFilter ff_vf_scale_vulkan;
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extern AVFilter ff_vf_scale2ref;
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extern AVFilter ff_vf_scroll;
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extern AVFilter ff_vf_select;
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352
libavfilter/vf_scale_vulkan.c
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352
libavfilter/vf_scale_vulkan.c
Normal file
@ -0,0 +1,352 @@
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/opt.h"
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#include "vulkan.h"
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#include "scale_eval.h"
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#include "internal.h"
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#define CGROUPS (int [3]){ 32, 32, 1 }
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enum ScalerFunc {
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F_BILINEAR = 0,
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F_NEAREST,
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F_NB,
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};
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typedef struct ScaleVulkanContext {
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VulkanFilterContext vkctx;
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int initialized;
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FFVkExecContext *exec;
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VulkanPipeline *pl;
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/* Shader updators, must be in the main filter struct */
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VkDescriptorImageInfo input_images[3];
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VkDescriptorImageInfo output_images[3];
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enum ScalerFunc scaler;
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char *output_format_string;
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char *w_expr;
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char *h_expr;
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} ScaleVulkanContext;
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static const char scale_bilinear[] = {
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C(0, void scale_bilinear(int idx, ivec2 pos) )
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C(0, { )
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C(1, const vec2 npos = (vec2(pos) + 0.5f) / imageSize(output_img[idx]); )
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C(1, imageStore(output_img[idx], pos, texture(input_img[idx], npos)); )
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C(0, } )
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};
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static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in)
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{
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int err;
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VkSampler *sampler;
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VkFilter sampler_mode;
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ScaleVulkanContext *s = ctx->priv;
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switch (s->scaler) {
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case F_NEAREST:
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sampler_mode = VK_FILTER_NEAREST;
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break;
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case F_BILINEAR:
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sampler_mode = VK_FILTER_LINEAR;
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break;
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};
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/* Create a sampler */
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sampler = ff_vk_init_sampler(ctx, 0, sampler_mode);
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if (!sampler)
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return AVERROR_EXTERNAL;
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s->pl = ff_vk_create_pipeline(ctx);
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if (!s->pl)
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return AVERROR(ENOMEM);
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{ /* Create the shader */
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VulkanDescriptorSetBinding desc_i[2] = {
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{
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.name = "input_img",
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.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
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.dimensions = 2,
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.elems = av_pix_fmt_count_planes(s->vkctx.input_format),
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.stages = VK_SHADER_STAGE_COMPUTE_BIT,
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.updater = s->input_images,
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.samplers = DUP_SAMPLER_ARRAY4(*sampler),
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},
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{
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.name = "output_img",
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.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
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.mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format),
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.mem_quali = "writeonly",
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.dimensions = 2,
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.elems = av_pix_fmt_count_planes(s->vkctx.output_format),
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.stages = VK_SHADER_STAGE_COMPUTE_BIT,
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.updater = s->output_images,
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},
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};
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SPIRVShader *shd = ff_vk_init_shader(ctx, s->pl, "scale_compute",
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VK_SHADER_STAGE_COMPUTE_BIT);
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if (!shd)
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return AVERROR(ENOMEM);
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ff_vk_set_compute_shader_sizes(ctx, shd, CGROUPS);
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RET(ff_vk_add_descriptor_set(ctx, s->pl, shd, desc_i, 2, 0)); /* set 0 */
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GLSLD( scale_bilinear );
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GLSLC(0, void main() );
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GLSLC(0, { );
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GLSLC(1, ivec2 size; );
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GLSLC(1, ivec2 pos = ivec2(gl_GlobalInvocationID.xy); );
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for (int i = 0; i < desc_i[1].elems; i++) {
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GLSLC(0, );
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GLSLF(1, size = imageSize(output_img[%i]); ,i);
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GLSLC(1, if (IS_WITHIN(pos, size)) );
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switch (s->scaler) {
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case F_NEAREST:
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case F_BILINEAR:
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GLSLF(2, scale_bilinear(%i, pos); ,i);
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break;
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};
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}
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GLSLC(0, } );
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RET(ff_vk_compile_shader(ctx, shd, "main"));
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}
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RET(ff_vk_init_pipeline_layout(ctx, s->pl));
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RET(ff_vk_init_compute_pipeline(ctx, s->pl));
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/* Execution context */
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RET(ff_vk_create_exec_ctx(ctx, &s->exec,
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s->vkctx.hwctx->queue_family_comp_index));
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s->initialized = 1;
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return 0;
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fail:
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return err;
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}
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static int process_frames(AVFilterContext *avctx, AVFrame *out_f, AVFrame *in_f)
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{
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int err = 0;
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ScaleVulkanContext *s = avctx->priv;
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AVVkFrame *in = (AVVkFrame *)in_f->data[0];
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AVVkFrame *out = (AVVkFrame *)out_f->data[0];
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int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
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for (int i = 0; i < planes; i++) {
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RET(ff_vk_create_imageview(avctx, &s->input_images[i].imageView, in->img[i],
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av_vkfmt_from_pixfmt(s->vkctx.input_format)[i],
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ff_comp_identity_map));
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RET(ff_vk_create_imageview(avctx, &s->output_images[i].imageView, out->img[i],
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av_vkfmt_from_pixfmt(s->vkctx.output_format)[i],
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ff_comp_identity_map));
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s->input_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
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}
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ff_vk_update_descriptor_set(avctx, s->pl, 0);
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ff_vk_start_exec_recording(avctx, s->exec);
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for (int i = 0; i < planes; i++) {
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VkImageMemoryBarrier bar[2] = {
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{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcAccessMask = 0,
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.dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
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.oldLayout = in->layout[i],
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.newLayout = s->input_images[i].imageLayout,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = in->img[i],
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.levelCount = 1,
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.subresourceRange.layerCount = 1,
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},
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{
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.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
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.srcAccessMask = 0,
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.dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT,
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.oldLayout = out->layout[i],
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.newLayout = s->output_images[i].imageLayout,
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.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
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.image = out->img[i],
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.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
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.subresourceRange.levelCount = 1,
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.subresourceRange.layerCount = 1,
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},
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};
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vkCmdPipelineBarrier(s->exec->buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
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VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0,
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0, NULL, 0, NULL, FF_ARRAY_ELEMS(bar), bar);
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in->layout[i] = bar[0].newLayout;
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in->access[i] = bar[0].dstAccessMask;
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out->layout[i] = bar[1].newLayout;
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out->access[i] = bar[1].dstAccessMask;
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}
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ff_vk_bind_pipeline_exec(avctx, s->exec, s->pl);
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vkCmdDispatch(s->exec->buf,
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FFALIGN(s->vkctx.output_width, CGROUPS[0])/CGROUPS[0],
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FFALIGN(s->vkctx.output_height, CGROUPS[1])/CGROUPS[1], 1);
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ff_vk_add_exec_dep(avctx, s->exec, in_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
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ff_vk_add_exec_dep(avctx, s->exec, out_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
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err = ff_vk_submit_exec_queue(avctx, s->exec);
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if (err)
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return err;
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for (int i = 0; i < planes; i++) {
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ff_vk_destroy_imageview(avctx, &s->input_images[i].imageView);
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ff_vk_destroy_imageview(avctx, &s->output_images[i].imageView);
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}
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fail:
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return err;
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}
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static int scale_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
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{
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int err;
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AVFilterContext *ctx = link->dst;
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ScaleVulkanContext *s = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
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if (!out) {
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err = AVERROR(ENOMEM);
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goto fail;
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}
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if (!s->initialized)
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RET(init_filter(ctx, in));
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RET(process_frames(ctx, out, in));
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err = av_frame_copy_props(out, in);
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if (err < 0)
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goto fail;
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av_frame_free(&in);
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return ff_filter_frame(outlink, out);
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fail:
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av_frame_free(&in);
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av_frame_free(&out);
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return err;
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}
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static int scale_vulkan_config_output(AVFilterLink *outlink)
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{
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int err;
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AVFilterContext *avctx = outlink->src;
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ScaleVulkanContext *s = avctx->priv;
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AVFilterLink *inlink = outlink->src->inputs[0];
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err = ff_scale_eval_dimensions(s, s->w_expr, s->h_expr, inlink, outlink,
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&s->vkctx.output_width,
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&s->vkctx.output_height);
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if (err < 0)
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return err;
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s->vkctx.output_format = s->vkctx.input_format;
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err = ff_vk_filter_config_output(outlink);
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if (err < 0)
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return err;
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if (inlink->sample_aspect_ratio.num)
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outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * inlink->w, outlink->w * inlink->h}, inlink->sample_aspect_ratio);
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else
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outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
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return 0;
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}
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static void scale_vulkan_uninit(AVFilterContext *avctx)
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{
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ScaleVulkanContext *s = avctx->priv;
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ff_vk_filter_uninit(avctx);
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s->initialized = 0;
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}
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#define OFFSET(x) offsetof(ScaleVulkanContext, x)
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#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
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static const AVOption scale_vulkan_options[] = {
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{ "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
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{ "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
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{ "scaler", "Scaler function", OFFSET(scaler), AV_OPT_TYPE_INT, {.i64 = F_BILINEAR}, 0, F_NB, .flags = FLAGS, "scaler" },
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{ "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, "scaler" },
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{ "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, "scaler" },
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{ NULL },
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};
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AVFILTER_DEFINE_CLASS(scale_vulkan);
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static const AVFilterPad scale_vulkan_inputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.filter_frame = &scale_vulkan_filter_frame,
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.config_props = &ff_vk_filter_config_input,
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},
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{ NULL }
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};
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static const AVFilterPad scale_vulkan_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.config_props = &scale_vulkan_config_output,
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},
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{ NULL }
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};
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AVFilter ff_vf_scale_vulkan = {
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.name = "scale_vulkan",
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.description = NULL_IF_CONFIG_SMALL("Scale Vulkan frames"),
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.priv_size = sizeof(ScaleVulkanContext),
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.init = &ff_vk_filter_init,
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.uninit = &scale_vulkan_uninit,
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.query_formats = &ff_vk_filter_query_formats,
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.inputs = scale_vulkan_inputs,
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.outputs = scale_vulkan_outputs,
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.priv_class = &scale_vulkan_class,
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.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
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};
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