mirror of https://git.ffmpeg.org/ffmpeg.git
539 lines
21 KiB
C
539 lines
21 KiB
C
/*
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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/random_seed.h"
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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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#include "colorspace.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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FFVkBuffer params_buf;
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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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VkDescriptorBufferInfo params_desc;
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enum ScalerFunc scaler;
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char *out_format_string;
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enum AVColorRange out_range;
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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, vec4 scale_bilinear(int idx, ivec2 pos, vec2 crop_range, vec2 crop_off))
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C(0, { )
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C(1, vec2 npos = (vec2(pos) + 0.5f) / imageSize(output_img[idx]); )
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C(1, npos *= crop_range; /* Reduce the range */ )
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C(1, npos += crop_off; /* Offset the start */ )
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C(1, return texture(input_img[idx], npos); )
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C(0, } )
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};
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static const char rgb2yuv[] = {
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C(0, vec4 rgb2yuv(vec4 src, int fullrange) )
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C(0, { )
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C(1, src *= yuv_matrix; )
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C(1, if (fullrange == 1) { )
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C(2, src += vec4(0.0, 0.5, 0.5, 0.0); )
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C(1, } else { )
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C(2, src *= vec4(219.0 / 255.0, 224.0 / 255.0, 224.0 / 255.0, 1.0); )
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C(2, src += vec4(16.0 / 255.0, 128.0 / 255.0, 128.0 / 255.0, 0.0); )
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C(1, } )
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C(1, return src; )
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C(0, } )
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};
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static const char write_nv12[] = {
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C(0, void write_nv12(vec4 src, ivec2 pos) )
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C(0, { )
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C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); )
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C(1, pos /= ivec2(2); )
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C(1, imageStore(output_img[1], pos, vec4(src.g, src.b, 0.0, 0.0)); )
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C(0, } )
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};
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static const char write_420[] = {
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C(0, void write_420(vec4 src, ivec2 pos) )
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C(0, { )
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C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); )
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C(1, pos /= ivec2(2); )
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C(1, imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0)); )
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C(1, imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0)); )
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C(0, } )
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};
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static const char write_444[] = {
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C(0, void write_444(vec4 src, ivec2 pos) )
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C(0, { )
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C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); )
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C(1, imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0)); )
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C(1, imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0)); )
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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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int crop_x = in->crop_left;
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int crop_y = in->crop_top;
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int crop_w = in->width - (in->crop_left + in->crop_right);
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int crop_h = in->height - (in->crop_top + in->crop_bottom);
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s->vkctx.queue_family_idx = s->vkctx.hwctx->queue_family_comp_index;
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s->vkctx.queue_count = GET_QUEUE_COUNT(s->vkctx.hwctx, 0, 1, 0);
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s->vkctx.cur_queue_idx = av_get_random_seed() % s->vkctx.queue_count;
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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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VulkanDescriptorSetBinding desc_b = {
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.name = "params",
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.type = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
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.mem_quali = "readonly",
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.mem_layout = "std430",
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.stages = VK_SHADER_STAGE_COMPUTE_BIT,
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.updater = &s->params_desc,
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.buf_content = "mat4 yuv_matrix;",
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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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RET(ff_vk_add_descriptor_set(ctx, s->pl, shd, &desc_b, 1, 0)); /* set 0 */
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GLSLD( scale_bilinear );
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if (s->vkctx.output_format != s->vkctx.input_format) {
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GLSLD( rgb2yuv );
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}
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switch (s->vkctx.output_format) {
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case AV_PIX_FMT_NV12: GLSLD(write_nv12); break;
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case AV_PIX_FMT_YUV420P: GLSLD( write_420); break;
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case AV_PIX_FMT_YUV444P: GLSLD( write_444); break;
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default: break;
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}
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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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GLSLF(1, vec2 in_d = vec2(%i, %i); ,in->width, in->height);
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GLSLF(1, vec2 c_r = vec2(%i, %i) / in_d; ,crop_w, crop_h);
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GLSLF(1, vec2 c_o = vec2(%i, %i) / in_d; ,crop_x,crop_y);
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GLSLC(0, );
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if (s->vkctx.output_format == s->vkctx.input_format) {
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for (int i = 0; i < desc_i[1].elems; i++) {
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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, vec4 res = scale_bilinear(%i, pos, c_r, c_o); ,i);
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GLSLF(2, imageStore(output_img[%i], pos, res); ,i);
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break;
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};
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GLSLC(1, } );
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}
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} else {
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GLSLC(1, vec4 res = scale_bilinear(0, pos, c_r, c_o); );
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GLSLF(1, res = rgb2yuv(res, %i); ,s->out_range == AVCOL_RANGE_JPEG);
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switch (s->vkctx.output_format) {
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case AV_PIX_FMT_NV12: GLSLC(1, write_nv12(res, pos); ); break;
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case AV_PIX_FMT_YUV420P: GLSLC(1, write_420(res, pos); ); break;
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case AV_PIX_FMT_YUV444P: GLSLC(1, write_444(res, pos); ); break;
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default: return AVERROR(EINVAL);
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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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if (s->vkctx.output_format != s->vkctx.input_format) {
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const struct LumaCoefficients *lcoeffs;
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double tmp_mat[3][3];
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struct {
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float yuv_matrix[4][4];
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} *par;
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lcoeffs = ff_get_luma_coefficients(in->colorspace);
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if (!lcoeffs) {
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av_log(ctx, AV_LOG_ERROR, "Unsupported colorspace\n");
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return AVERROR(EINVAL);
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}
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err = ff_vk_create_buf(ctx, &s->params_buf,
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sizeof(*par),
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VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
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if (err)
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return err;
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err = ff_vk_map_buffers(ctx, &s->params_buf, (uint8_t **)&par, 1, 0);
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if (err)
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return err;
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ff_fill_rgb2yuv_table(lcoeffs, tmp_mat);
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memset(par, 0, sizeof(*par));
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for (int y = 0; y < 3; y++)
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for (int x = 0; x < 3; x++)
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par->yuv_matrix[x][y] = tmp_mat[x][y];
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par->yuv_matrix[3][3] = 1.0;
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err = ff_vk_unmap_buffers(ctx, &s->params_buf, 1, 1);
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if (err)
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return err;
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s->params_desc.buffer = s->params_buf.buf;
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s->params_desc.range = VK_WHOLE_SIZE;
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ff_vk_update_descriptor_set(ctx, s->pl, 1);
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}
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/* Execution context */
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RET(ff_vk_create_exec_ctx(ctx, &s->exec));
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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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VkCommandBuffer cmd_buf;
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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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VkImageMemoryBarrier barriers[AV_NUM_DATA_POINTERS*2];
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int barrier_count = 0;
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/* Update descriptors and init the exec context */
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ff_vk_start_exec_recording(avctx, s->exec);
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cmd_buf = ff_vk_get_exec_buf(avctx, s->exec);
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for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.input_format); i++) {
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RET(ff_vk_create_imageview(avctx, s->exec, &s->input_images[i].imageView,
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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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s->input_images[i].imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
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}
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for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.output_format); i++) {
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RET(ff_vk_create_imageview(avctx, s->exec, &s->output_images[i].imageView,
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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->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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for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.input_format); i++) {
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VkImageMemoryBarrier bar = {
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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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memcpy(&barriers[barrier_count++], &bar, sizeof(VkImageMemoryBarrier));
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in->layout[i] = bar.newLayout;
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in->access[i] = bar.dstAccessMask;
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}
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for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.output_format); i++) {
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VkImageMemoryBarrier bar = {
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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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memcpy(&barriers[barrier_count++], &bar, sizeof(VkImageMemoryBarrier));
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out->layout[i] = bar.newLayout;
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out->access[i] = bar.dstAccessMask;
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}
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vkCmdPipelineBarrier(cmd_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, barrier_count, barriers);
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ff_vk_bind_pipeline_exec(avctx, s->exec, s->pl);
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vkCmdDispatch(cmd_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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return err;
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fail:
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ff_vk_discard_exec_deps(avctx, s->exec);
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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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if (s->out_range != AVCOL_RANGE_UNSPECIFIED)
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out->color_range = s->out_range;
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if (s->vkctx.output_format != s->vkctx.input_format)
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out->chroma_location = AVCHROMA_LOC_TOPLEFT;
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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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|
|
if (s->out_format_string) {
|
|
s->vkctx.output_format = av_get_pix_fmt(s->out_format_string);
|
|
if (s->vkctx.output_format == AV_PIX_FMT_NONE) {
|
|
av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
} else {
|
|
s->vkctx.output_format = s->vkctx.input_format;
|
|
}
|
|
|
|
if (s->vkctx.output_format != s->vkctx.input_format) {
|
|
if (!ff_vk_mt_is_np_rgb(s->vkctx.input_format)) {
|
|
av_log(avctx, AV_LOG_ERROR, "Unsupported input format for conversion\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
if (s->vkctx.output_format != AV_PIX_FMT_NV12 &&
|
|
s->vkctx.output_format != AV_PIX_FMT_YUV420P &&
|
|
s->vkctx.output_format != AV_PIX_FMT_YUV444P) {
|
|
av_log(avctx, AV_LOG_ERROR, "Unsupported output format\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
} else if (s->out_range != AVCOL_RANGE_UNSPECIFIED) {
|
|
av_log(avctx, AV_LOG_ERROR, "Cannot change range without converting format\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
err = ff_vk_filter_config_output(outlink);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void scale_vulkan_uninit(AVFilterContext *avctx)
|
|
{
|
|
ScaleVulkanContext *s = avctx->priv;
|
|
|
|
ff_vk_filter_uninit(avctx);
|
|
ff_vk_free_buf(avctx, &s->params_buf);
|
|
|
|
s->initialized = 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(ScaleVulkanContext, x)
|
|
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
|
|
static const AVOption scale_vulkan_options[] = {
|
|
{ "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
|
|
{ "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
|
|
{ "scaler", "Scaler function", OFFSET(scaler), AV_OPT_TYPE_INT, {.i64 = F_BILINEAR}, 0, F_NB, .flags = FLAGS, "scaler" },
|
|
{ "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, "scaler" },
|
|
{ "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, "scaler" },
|
|
{ "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
|
|
{ "out_range", "Output colour range (from 0 to 2) (default 0)", OFFSET(out_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED}, AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_JPEG, .flags = FLAGS, "range" },
|
|
{ "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
|
|
{ "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
|
|
{ "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
|
|
{ "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
|
|
{ "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
|
|
{ "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
|
|
{ NULL },
|
|
};
|
|
|
|
AVFILTER_DEFINE_CLASS(scale_vulkan);
|
|
|
|
static const AVFilterPad scale_vulkan_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = &scale_vulkan_filter_frame,
|
|
.config_props = &ff_vk_filter_config_input,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
static const AVFilterPad scale_vulkan_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.config_props = &scale_vulkan_config_output,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
const AVFilter ff_vf_scale_vulkan = {
|
|
.name = "scale_vulkan",
|
|
.description = NULL_IF_CONFIG_SMALL("Scale Vulkan frames"),
|
|
.priv_size = sizeof(ScaleVulkanContext),
|
|
.init = &ff_vk_filter_init,
|
|
.uninit = &scale_vulkan_uninit,
|
|
.query_formats = &ff_vk_filter_query_formats,
|
|
.inputs = scale_vulkan_inputs,
|
|
.outputs = scale_vulkan_outputs,
|
|
.priv_class = &scale_vulkan_class,
|
|
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
|
|
};
|