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avfilter: add a hflip_vulkan filter

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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 <jianhua.wu@intel.com>
This commit is contained in:
Wu Jianhua 2021-11-19 22:50:00 +08:00 committed by Lynne
parent ff82bd5a00
commit d313cb5a2f
4 changed files with 281 additions and 0 deletions
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1
configure vendored
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@ -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"

1
libavfilter/Makefile
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@ -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

1
libavfilter/allfilters.c
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@ -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;

278
libavfilter/vf_hflip_vulkan.c Normal file
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@ -0,0 +1,278 @@
/*
* 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
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,
};