git.sesse.net Git - ffmpeg/blob - libavfilter/vf_scale_vulkan.c

   1 /*
   2  * This file is part of FFmpeg.
   3  *
   4  * FFmpeg is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * FFmpeg is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with FFmpeg; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  17  */
  18
  19 #include "libavutil/opt.h"
  20 #include "vulkan.h"
  21 #include "scale_eval.h"
  22 #include "internal.h"
  23 #include "colorspace.h"
  24
  25 #define CGROUPS (int [3]){ 32, 32, 1 }
  26
  27 enum ScalerFunc {
  28     F_BILINEAR = 0,
  29     F_NEAREST,
  30
  31     F_NB,
  32 };
  33
  34 typedef struct ScaleVulkanContext {
  35     VulkanFilterContext vkctx;
  36
  37     int initialized;
  38     FFVkExecContext *exec;
  39     VulkanPipeline *pl;
  40     FFVkBuffer params_buf;
  41
  42     /* Shader updators, must be in the main filter struct */
  43     VkDescriptorImageInfo input_images[3];
  44     VkDescriptorImageInfo output_images[3];
  45     VkDescriptorBufferInfo params_desc;
  46
  47     enum ScalerFunc scaler;
  48     char *out_format_string;
  49     enum AVColorRange out_range;
  50     char *w_expr;
  51     char *h_expr;
  52 } ScaleVulkanContext;
  53
  54 static const char scale_bilinear[] = {
  55     C(0, vec4 scale_bilinear(int idx, ivec2 pos, vec2 crop_range, vec2 crop_off))
  56     C(0, {                                                                      )
  57     C(1,     vec2 npos = (vec2(pos) + 0.5f) / imageSize(output_img[idx]);       )
  58     C(1,     npos *= crop_range;    /* Reduce the range */                      )
  59     C(1,     npos += crop_off;      /* Offset the start */                      )
  60     C(1,     return texture(input_img[idx], npos);                              )
  61     C(0, }                                                                      )
  62 };
  63
  64 static const char rgb2yuv[] = {
  65     C(0, vec4 rgb2yuv(vec4 src, int fullrange)                                  )
  66     C(0, {                                                                      )
  67     C(1,     src *= yuv_matrix;                                                 )
  68     C(1,     if (fullrange == 1) {                                              )
  69     C(2,         src += vec4(0.0, 0.5, 0.5, 0.0);                               )
  70     C(1,     } else {                                                           )
  71     C(2,         src *= vec4(219.0 / 255.0, 224.0 / 255.0, 224.0 / 255.0, 1.0); )
  72     C(2,         src += vec4(16.0 / 255.0, 128.0 / 255.0, 128.0 / 255.0, 0.0);  )
  73     C(1,     }                                                                  )
  74     C(1,     return src;                                                        )
  75     C(0, }                                                                      )
  76 };
  77
  78 static const char write_nv12[] = {
  79     C(0, void write_nv12(vec4 src, ivec2 pos)                                   )
  80     C(0, {                                                                      )
  81     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
  82     C(1,     pos /= ivec2(2);                                                   )
  83     C(1,     imageStore(output_img[1], pos, vec4(src.g, src.b, 0.0, 0.0));      )
  84     C(0, }                                                                      )
  85 };
  86
  87 static const char write_420[] = {
  88     C(0, void write_420(vec4 src, ivec2 pos)                                    )
  89     C(0, {                                                                      )
  90     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
  91     C(1,     pos /= ivec2(2);                                                   )
  92     C(1,     imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0));        )
  93     C(1,     imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0));        )
  94     C(0, }                                                                      )
  95 };
  96
  97 static const char write_444[] = {
  98     C(0, void write_444(vec4 src, ivec2 pos)                                    )
  99     C(0, {                                                                      )
 100     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
 101     C(1,     imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0));        )
 102     C(1,     imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0));        )
 103     C(0, }                                                                      )
 104 };
 105
 106 static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in)
 107 {
 108     int err;
 109     VkSampler *sampler;
 110     VkFilter sampler_mode;
 111     ScaleVulkanContext *s = ctx->priv;
 112
 113     int crop_x = in->crop_left;
 114     int crop_y = in->crop_top;
 115     int crop_w = in->width - (in->crop_left + in->crop_right);
 116     int crop_h = in->height - (in->crop_top + in->crop_bottom);
 117
 118     s->vkctx.queue_family_idx = s->vkctx.hwctx->queue_family_comp_index;
 119     s->vkctx.queue_count = GET_QUEUE_COUNT(s->vkctx.hwctx, 0, 1, 0);
 120     s->vkctx.cur_queue_idx = rand() % s->vkctx.queue_count;
 121
 122     switch (s->scaler) {
 123     case F_NEAREST:
 124         sampler_mode = VK_FILTER_NEAREST;
 125         break;
 126     case F_BILINEAR:
 127         sampler_mode = VK_FILTER_LINEAR;
 128         break;
 129     };
 130
 131     /* Create a sampler */
 132     sampler = ff_vk_init_sampler(ctx, 0, sampler_mode);
 133     if (!sampler)
 134         return AVERROR_EXTERNAL;
 135
 136     s->pl = ff_vk_create_pipeline(ctx);
 137     if (!s->pl)
 138         return AVERROR(ENOMEM);
 139
 140     { /* Create the shader */
 141         VulkanDescriptorSetBinding desc_i[2] = {
 142             {
 143                 .name       = "input_img",
 144                 .type       = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
 145                 .dimensions = 2,
 146                 .elems      = av_pix_fmt_count_planes(s->vkctx.input_format),
 147                 .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
 148                 .updater    = s->input_images,
 149                 .samplers   = DUP_SAMPLER_ARRAY4(*sampler),
 150             },
 151             {
 152                 .name       = "output_img",
 153                 .type       = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
 154                 .mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format),
 155                 .mem_quali  = "writeonly",
 156                 .dimensions = 2,
 157                 .elems      = av_pix_fmt_count_planes(s->vkctx.output_format),
 158                 .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
 159                 .updater    = s->output_images,
 160             },
 161         };
 162
 163         VulkanDescriptorSetBinding desc_b = {
 164             .name        = "params",
 165             .type        = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
 166             .mem_quali   = "readonly",
 167             .mem_layout  = "std430",
 168             .stages      = VK_SHADER_STAGE_COMPUTE_BIT,
 169             .updater     = &s->params_desc,
 170             .buf_content = "mat4 yuv_matrix;",
 171         };
 172
 173         SPIRVShader *shd = ff_vk_init_shader(ctx, s->pl, "scale_compute",
 174                                              VK_SHADER_STAGE_COMPUTE_BIT);
 175         if (!shd)
 176             return AVERROR(ENOMEM);
 177
 178         ff_vk_set_compute_shader_sizes(ctx, shd, CGROUPS);
 179
 180         RET(ff_vk_add_descriptor_set(ctx, s->pl, shd,  desc_i, 2, 0)); /* set 0 */
 181         RET(ff_vk_add_descriptor_set(ctx, s->pl, shd, &desc_b, 1, 0)); /* set 0 */
 182
 183         GLSLD(   scale_bilinear                                                  );
 184
 185         if (s->vkctx.output_format != s->vkctx.input_format) {
 186             GLSLD(   rgb2yuv                                                     );
 187         }
 188
 189         switch (s->vkctx.output_format) {
 190         case AV_PIX_FMT_NV12:    GLSLD(write_nv12); break;
 191         case AV_PIX_FMT_YUV420P: GLSLD( write_420); break;
 192         case AV_PIX_FMT_YUV444P: GLSLD( write_444); break;
 193         default: break;
 194         }
 195
 196         GLSLC(0, void main()                                                     );
 197         GLSLC(0, {                                                               );
 198         GLSLC(1,     ivec2 size;                                                 );
 199         GLSLC(1,     ivec2 pos = ivec2(gl_GlobalInvocationID.xy);                );
 200         GLSLF(1,     vec2 in_d = vec2(%i, %i);             ,in->width, in->height);
 201         GLSLF(1,     vec2 c_r = vec2(%i, %i) / in_d;              ,crop_w, crop_h);
 202         GLSLF(1,     vec2 c_o = vec2(%i, %i) / in_d;               ,crop_x,crop_y);
 203         GLSLC(0,                                                                 );
 204
 205         if (s->vkctx.output_format == s->vkctx.input_format) {
 206             for (int i = 0; i < desc_i[1].elems; i++) {
 207                 GLSLF(1,  size = imageSize(output_img[%i]);                    ,i);
 208                 GLSLC(1,  if (IS_WITHIN(pos, size)) {                            );
 209                 switch (s->scaler) {
 210                 case F_NEAREST:
 211                 case F_BILINEAR:
 212                     GLSLF(2, vec4 res = scale_bilinear(%i, pos, c_r, c_o);     ,i);
 213                     GLSLF(2, imageStore(output_img[%i], pos, res);             ,i);
 214                     break;
 215                 };
 216                 GLSLC(1, }                                                       );
 217             }
 218         } else {
 219             GLSLC(1, vec4 res = scale_bilinear(0, pos, c_r, c_o);                );
 220             GLSLF(1, res = rgb2yuv(res, %i);    ,s->out_range == AVCOL_RANGE_JPEG);
 221             switch (s->vkctx.output_format) {
 222             case AV_PIX_FMT_NV12:    GLSLC(1, write_nv12(res, pos); ); break;
 223             case AV_PIX_FMT_YUV420P: GLSLC(1,  write_420(res, pos); ); break;
 224             case AV_PIX_FMT_YUV444P: GLSLC(1,  write_444(res, pos); ); break;
 225             default: return AVERROR(EINVAL);
 226             }
 227         }
 228
 229         GLSLC(0, }                                                               );
 230
 231         RET(ff_vk_compile_shader(ctx, shd, "main"));
 232     }
 233
 234     RET(ff_vk_init_pipeline_layout(ctx, s->pl));
 235     RET(ff_vk_init_compute_pipeline(ctx, s->pl));
 236
 237     if (s->vkctx.output_format != s->vkctx.input_format) {
 238         const struct LumaCoefficients *lcoeffs;
 239         double tmp_mat[3][3];
 240
 241         struct {
 242             float yuv_matrix[4][4];
 243         } *par;
 244
 245         lcoeffs = ff_get_luma_coefficients(in->colorspace);
 246         if (!lcoeffs) {
 247             av_log(ctx, AV_LOG_ERROR, "Unsupported colorspace\n");
 248             return AVERROR(EINVAL);
 249         }
 250
 251         err = ff_vk_create_buf(ctx, &s->params_buf,
 252                                sizeof(*par),
 253                                VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
 254                                VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
 255         if (err)
 256             return err;
 257
 258         err = ff_vk_map_buffers(ctx, &s->params_buf, (uint8_t **)&par, 1, 0);
 259         if (err)
 260             return err;
 261
 262         ff_fill_rgb2yuv_table(lcoeffs, tmp_mat);
 263
 264         memset(par, 0, sizeof(*par));
 265
 266         for (int y = 0; y < 3; y++)
 267             for (int x = 0; x < 3; x++)
 268                 par->yuv_matrix[x][y] = tmp_mat[x][y];
 269
 270         par->yuv_matrix[3][3] = 1.0;
 271
 272         err = ff_vk_unmap_buffers(ctx, &s->params_buf, 1, 1);
 273         if (err)
 274             return err;
 275
 276         s->params_desc.buffer = s->params_buf.buf;
 277         s->params_desc.range  = VK_WHOLE_SIZE;
 278
 279         ff_vk_update_descriptor_set(ctx, s->pl, 1);
 280     }
 281
 282     /* Execution context */
 283     RET(ff_vk_create_exec_ctx(ctx, &s->exec));
 284
 285     s->initialized = 1;
 286
 287     return 0;
 288
 289 fail:
 290     return err;
 291 }
 292
 293 static int process_frames(AVFilterContext *avctx, AVFrame *out_f, AVFrame *in_f)
 294 {
 295     int err = 0;
 296     VkCommandBuffer cmd_buf;
 297     ScaleVulkanContext *s = avctx->priv;
 298     AVVkFrame *in = (AVVkFrame *)in_f->data[0];
 299     AVVkFrame *out = (AVVkFrame *)out_f->data[0];
 300     VkImageMemoryBarrier barriers[AV_NUM_DATA_POINTERS*2];
 301     int barrier_count = 0;
 302
 303     /* Update descriptors and init the exec context */
 304     ff_vk_start_exec_recording(avctx, s->exec);
 305     cmd_buf = ff_vk_get_exec_buf(avctx, s->exec);
 306
 307     for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.input_format); i++) {
 308         RET(ff_vk_create_imageview(avctx, s->exec, &s->input_images[i].imageView,
 309                                    in->img[i],
 310                                    av_vkfmt_from_pixfmt(s->vkctx.input_format)[i],
 311                                    ff_comp_identity_map));
 312
 313         s->input_images[i].imageLayout  = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
 314     }
 315
 316     for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.output_format); i++) {
 317         RET(ff_vk_create_imageview(avctx, s->exec, &s->output_images[i].imageView,
 318                                    out->img[i],
 319                                    av_vkfmt_from_pixfmt(s->vkctx.output_format)[i],
 320                                    ff_comp_identity_map));
 321
 322         s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
 323     }
 324
 325     ff_vk_update_descriptor_set(avctx, s->pl, 0);
 326
 327     for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.input_format); i++) {
 328         VkImageMemoryBarrier bar = {
 329             .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
 330             .srcAccessMask = 0,
 331             .dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
 332             .oldLayout = in->layout[i],
 333             .newLayout = s->input_images[i].imageLayout,
 334             .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
 335             .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
 336             .image = in->img[i],
 337             .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
 338             .subresourceRange.levelCount = 1,
 339             .subresourceRange.layerCount = 1,
 340         };
 341
 342         memcpy(&barriers[barrier_count++], &bar, sizeof(VkImageMemoryBarrier));
 343
 344         in->layout[i]  = bar.newLayout;
 345         in->access[i]  = bar.dstAccessMask;
 346     }
 347
 348     for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.output_format); i++) {
 349         VkImageMemoryBarrier bar = {
 350             .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
 351             .srcAccessMask = 0,
 352             .dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT,
 353             .oldLayout = out->layout[i],
 354             .newLayout = s->output_images[i].imageLayout,
 355             .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
 356             .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
 357             .image = out->img[i],
 358             .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
 359             .subresourceRange.levelCount = 1,
 360             .subresourceRange.layerCount = 1,
 361         };
 362
 363         memcpy(&barriers[barrier_count++], &bar, sizeof(VkImageMemoryBarrier));
 364
 365         out->layout[i] = bar.newLayout;
 366         out->access[i] = bar.dstAccessMask;
 367     }
 368
 369     vkCmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
 370                          VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0,
 371                          0, NULL, 0, NULL, barrier_count, barriers);
 372
 373     ff_vk_bind_pipeline_exec(avctx, s->exec, s->pl);
 374
 375     vkCmdDispatch(cmd_buf,
 376                   FFALIGN(s->vkctx.output_width,  CGROUPS[0])/CGROUPS[0],
 377                   FFALIGN(s->vkctx.output_height, CGROUPS[1])/CGROUPS[1], 1);
 378
 379     ff_vk_add_exec_dep(avctx, s->exec, in_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
 380     ff_vk_add_exec_dep(avctx, s->exec, out_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
 381
 382     err = ff_vk_submit_exec_queue(avctx, s->exec);
 383     if (err)
 384         return err;
 385
 386     return err;
 387
 388 fail:
 389     ff_vk_discard_exec_deps(avctx, s->exec);
 390     return err;
 391 }
 392
 393 static int scale_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
 394 {
 395     int err;
 396     AVFilterContext *ctx = link->dst;
 397     ScaleVulkanContext *s = ctx->priv;
 398     AVFilterLink *outlink = ctx->outputs[0];
 399
 400     AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
 401     if (!out) {
 402         err = AVERROR(ENOMEM);
 403         goto fail;
 404     }
 405
 406     if (!s->initialized)
 407         RET(init_filter(ctx, in));
 408
 409     RET(process_frames(ctx, out, in));
 410
 411     err = av_frame_copy_props(out, in);
 412     if (err < 0)
 413         goto fail;
 414
 415     if (s->out_range != AVCOL_RANGE_UNSPECIFIED)
 416         out->color_range = s->out_range;
 417     if (s->vkctx.output_format != s->vkctx.input_format)
 418         out->chroma_location = AVCHROMA_LOC_TOPLEFT;
 419
 420     av_frame_free(&in);
 421
 422     return ff_filter_frame(outlink, out);
 423
 424 fail:
 425     av_frame_free(&in);
 426     av_frame_free(&out);
 427     return err;
 428 }
 429
 430 static int scale_vulkan_config_output(AVFilterLink *outlink)
 431 {
 432     int err;
 433     AVFilterContext *avctx = outlink->src;
 434     ScaleVulkanContext *s  = avctx->priv;
 435     AVFilterLink *inlink   = outlink->src->inputs[0];
 436
 437     err = ff_scale_eval_dimensions(s, s->w_expr, s->h_expr, inlink, outlink,
 438                                    &s->vkctx.output_width,
 439                                    &s->vkctx.output_height);
 440     if (err < 0)
 441         return err;
 442
 443     if (s->out_format_string) {
 444         s->vkctx.output_format = av_get_pix_fmt(s->out_format_string);
 445         if (s->vkctx.output_format == AV_PIX_FMT_NONE) {
 446             av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n");
 447             return AVERROR(EINVAL);
 448         }
 449     } else {
 450         s->vkctx.output_format = s->vkctx.input_format;
 451     }
 452
 453     if (s->vkctx.output_format != s->vkctx.input_format) {
 454         if (!ff_vk_mt_is_np_rgb(s->vkctx.input_format)) {
 455             av_log(avctx, AV_LOG_ERROR, "Unsupported input format for conversion\n");
 456             return AVERROR(EINVAL);
 457         }
 458         if (s->vkctx.output_format != AV_PIX_FMT_NV12 &&
 459             s->vkctx.output_format != AV_PIX_FMT_YUV420P &&
 460             s->vkctx.output_format != AV_PIX_FMT_YUV444P) {
 461             av_log(avctx, AV_LOG_ERROR, "Unsupported output format\n");
 462             return AVERROR(EINVAL);
 463         }
 464     } else if (s->out_range != AVCOL_RANGE_UNSPECIFIED) {
 465         av_log(avctx, AV_LOG_ERROR, "Cannot change range without converting format\n");
 466         return AVERROR(EINVAL);
 467     }
 468
 469     err = ff_vk_filter_config_output(outlink);
 470     if (err < 0)
 471         return err;
 472
 473     return 0;
 474 }
 475
 476 static void scale_vulkan_uninit(AVFilterContext *avctx)
 477 {
 478     ScaleVulkanContext *s = avctx->priv;
 479
 480     ff_vk_filter_uninit(avctx);
 481     ff_vk_free_buf(avctx, &s->params_buf);
 482
 483     s->initialized = 0;
 484 }
 485
 486 #define OFFSET(x) offsetof(ScaleVulkanContext, x)
 487 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
 488 static const AVOption scale_vulkan_options[] = {
 489     { "w", "Output video width",  OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
 490     { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
 491     { "scaler", "Scaler function", OFFSET(scaler), AV_OPT_TYPE_INT, {.i64 = F_BILINEAR}, 0, F_NB, .flags = FLAGS, "scaler" },
 492         { "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, "scaler" },
 493         { "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, "scaler" },
 494     { "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
 495     { "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" },
 496         { "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
 497         { "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
 498         { "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
 499         { "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
 500         { "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
 501         { "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
 502     { NULL },
 503 };
 504
 505 AVFILTER_DEFINE_CLASS(scale_vulkan);
 506
 507 static const AVFilterPad scale_vulkan_inputs[] = {
 508     {
 509         .name         = "default",
 510         .type         = AVMEDIA_TYPE_VIDEO,
 511         .filter_frame = &scale_vulkan_filter_frame,
 512         .config_props = &ff_vk_filter_config_input,
 513     },
 514     { NULL }
 515 };
 516
 517 static const AVFilterPad scale_vulkan_outputs[] = {
 518     {
 519         .name = "default",
 520         .type = AVMEDIA_TYPE_VIDEO,
 521         .config_props = &scale_vulkan_config_output,
 522     },
 523     { NULL }
 524 };
 525
 526 AVFilter ff_vf_scale_vulkan = {
 527     .name           = "scale_vulkan",
 528     .description    = NULL_IF_CONFIG_SMALL("Scale Vulkan frames"),
 529     .priv_size      = sizeof(ScaleVulkanContext),
 530     .init           = &ff_vk_filter_init,
 531     .uninit         = &scale_vulkan_uninit,
 532     .query_formats  = &ff_vk_filter_query_formats,
 533     .inputs         = scale_vulkan_inputs,
 534     .outputs        = scale_vulkan_outputs,
 535     .priv_class     = &scale_vulkan_class,
 536     .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
 537 };