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/random_seed.h"
  20 #include "libavutil/opt.h"
  21 #include "vulkan_filter.h"
  22 #include "scale_eval.h"
  23 #include "internal.h"
  24 #include "colorspace.h"
  25
  26 #define CGROUPS (int [3]){ 32, 32, 1 }
  27
  28 enum ScalerFunc {
  29     F_BILINEAR = 0,
  30     F_NEAREST,
  31
  32     F_NB,
  33 };
  34
  35 typedef struct ScaleVulkanContext {
  36     FFVulkanContext vkctx;
  37
  38     FFVkQueueFamilyCtx qf;
  39     FFVkExecContext *exec;
  40     FFVulkanPipeline *pl;
  41     FFVkBuffer params_buf;
  42
  43     /* Shader updators, must be in the main filter struct */
  44     VkDescriptorImageInfo input_images[3];
  45     VkDescriptorImageInfo output_images[3];
  46     VkDescriptorBufferInfo params_desc;
  47
  48     char *out_format_string;
  49     char *w_expr;
  50     char *h_expr;
  51
  52     enum ScalerFunc scaler;
  53     enum AVColorRange out_range;
  54
  55     int initialized;
  56 } ScaleVulkanContext;
  57
  58 static const char scale_bilinear[] = {
  59     C(0, vec4 scale_bilinear(int idx, ivec2 pos, vec2 crop_range, vec2 crop_off))
  60     C(0, {                                                                      )
  61     C(1,     vec2 npos = (vec2(pos) + 0.5f) / imageSize(output_img[idx]);       )
  62     C(1,     npos *= crop_range;    /* Reduce the range */                      )
  63     C(1,     npos += crop_off;      /* Offset the start */                      )
  64     C(1,     return texture(input_img[idx], npos);                              )
  65     C(0, }                                                                      )
  66 };
  67
  68 static const char rgb2yuv[] = {
  69     C(0, vec4 rgb2yuv(vec4 src, int fullrange)                                  )
  70     C(0, {                                                                      )
  71     C(1,     src *= yuv_matrix;                                                 )
  72     C(1,     if (fullrange == 1) {                                              )
  73     C(2,         src += vec4(0.0, 0.5, 0.5, 0.0);                               )
  74     C(1,     } else {                                                           )
  75     C(2,         src *= vec4(219.0 / 255.0, 224.0 / 255.0, 224.0 / 255.0, 1.0); )
  76     C(2,         src += vec4(16.0 / 255.0, 128.0 / 255.0, 128.0 / 255.0, 0.0);  )
  77     C(1,     }                                                                  )
  78     C(1,     return src;                                                        )
  79     C(0, }                                                                      )
  80 };
  81
  82 static const char write_nv12[] = {
  83     C(0, void write_nv12(vec4 src, ivec2 pos)                                   )
  84     C(0, {                                                                      )
  85     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
  86     C(1,     pos /= ivec2(2);                                                   )
  87     C(1,     imageStore(output_img[1], pos, vec4(src.g, src.b, 0.0, 0.0));      )
  88     C(0, }                                                                      )
  89 };
  90
  91 static const char write_420[] = {
  92     C(0, void write_420(vec4 src, ivec2 pos)                                    )
  93     C(0, {                                                                      )
  94     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
  95     C(1,     pos /= ivec2(2);                                                   )
  96     C(1,     imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0));        )
  97     C(1,     imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0));        )
  98     C(0, }                                                                      )
  99 };
 100
 101 static const char write_444[] = {
 102     C(0, void write_444(vec4 src, ivec2 pos)                                    )
 103     C(0, {                                                                      )
 104     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
 105     C(1,     imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0));        )
 106     C(1,     imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0));        )
 107     C(0, }                                                                      )
 108 };
 109
 110 static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in)
 111 {
 112     int err;
 113     FFVkSampler *sampler;
 114     VkFilter sampler_mode;
 115     ScaleVulkanContext *s = ctx->priv;
 116     FFVulkanContext *vkctx = &s->vkctx;
 117
 118     int crop_x = in->crop_left;
 119     int crop_y = in->crop_top;
 120     int crop_w = in->width - (in->crop_left + in->crop_right);
 121     int crop_h = in->height - (in->crop_top + in->crop_bottom);
 122     int in_planes = av_pix_fmt_count_planes(s->vkctx.input_format);
 123
 124     ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT, 0);
 125
 126     switch (s->scaler) {
 127     case F_NEAREST:
 128         sampler_mode = VK_FILTER_NEAREST;
 129         break;
 130     case F_BILINEAR:
 131         sampler_mode = VK_FILTER_LINEAR;
 132         break;
 133     };
 134
 135     /* Create a sampler */
 136     sampler = ff_vk_init_sampler(vkctx, 0, sampler_mode);
 137     if (!sampler)
 138         return AVERROR_EXTERNAL;
 139
 140     s->pl = ff_vk_create_pipeline(vkctx, &s->qf);
 141     if (!s->pl)
 142         return AVERROR(ENOMEM);
 143
 144     { /* Create the shader */
 145         FFVulkanDescriptorSetBinding desc_i[2] = {
 146             {
 147                 .name       = "input_img",
 148                 .type       = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
 149                 .dimensions = 2,
 150                 .elems      = in_planes,
 151                 .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
 152                 .updater    = s->input_images,
 153                 .sampler    = sampler,
 154             },
 155             {
 156                 .name       = "output_img",
 157                 .type       = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
 158                 .mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format),
 159                 .mem_quali  = "writeonly",
 160                 .dimensions = 2,
 161                 .elems      = av_pix_fmt_count_planes(s->vkctx.output_format),
 162                 .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
 163                 .updater    = s->output_images,
 164             },
 165         };
 166
 167         FFVulkanDescriptorSetBinding desc_b = {
 168             .name        = "params",
 169             .type        = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
 170             .mem_quali   = "readonly",
 171             .mem_layout  = "std430",
 172             .stages      = VK_SHADER_STAGE_COMPUTE_BIT,
 173             .updater     = &s->params_desc,
 174             .buf_content = "mat4 yuv_matrix;",
 175         };
 176
 177         FFVkSPIRVShader *shd = ff_vk_init_shader(s->pl, "scale_compute",
 178                                                  VK_SHADER_STAGE_COMPUTE_BIT);
 179         if (!shd)
 180             return AVERROR(ENOMEM);
 181
 182         ff_vk_set_compute_shader_sizes(shd, CGROUPS);
 183
 184         RET(ff_vk_add_descriptor_set(vkctx, s->pl, shd,  desc_i, FF_ARRAY_ELEMS(desc_i), 0)); /* set 0 */
 185         RET(ff_vk_add_descriptor_set(vkctx, s->pl, shd, &desc_b, 1, 0)); /* set 1 */
 186
 187         GLSLD(   scale_bilinear                                                  );
 188
 189         if (s->vkctx.output_format != s->vkctx.input_format) {
 190             GLSLD(   rgb2yuv                                                     );
 191         }
 192
 193         switch (s->vkctx.output_format) {
 194         case AV_PIX_FMT_NV12:    GLSLD(write_nv12); break;
 195         case AV_PIX_FMT_YUV420P: GLSLD( write_420); break;
 196         case AV_PIX_FMT_YUV444P: GLSLD( write_444); break;
 197         default: break;
 198         }
 199
 200         GLSLC(0, void main()                                                     );
 201         GLSLC(0, {                                                               );
 202         GLSLC(1,     ivec2 size;                                                 );
 203         GLSLC(1,     ivec2 pos = ivec2(gl_GlobalInvocationID.xy);                );
 204         GLSLF(1,     vec2 in_d = vec2(%i, %i);             ,in->width, in->height);
 205         GLSLF(1,     vec2 c_r = vec2(%i, %i) / in_d;              ,crop_w, crop_h);
 206         GLSLF(1,     vec2 c_o = vec2(%i, %i) / in_d;               ,crop_x,crop_y);
 207         GLSLC(0,                                                                 );
 208
 209         if (s->vkctx.output_format == s->vkctx.input_format) {
 210             for (int i = 0; i < desc_i[1].elems; i++) {
 211                 GLSLF(1,  size = imageSize(output_img[%i]);                    ,i);
 212                 GLSLC(1,  if (IS_WITHIN(pos, size)) {                            );
 213                 switch (s->scaler) {
 214                 case F_NEAREST:
 215                 case F_BILINEAR:
 216                     GLSLF(2, vec4 res = scale_bilinear(%i, pos, c_r, c_o);     ,i);
 217                     GLSLF(2, imageStore(output_img[%i], pos, res);             ,i);
 218                     break;
 219                 };
 220                 GLSLC(1, }                                                       );
 221             }
 222         } else {
 223             GLSLC(1, vec4 res = scale_bilinear(0, pos, c_r, c_o);                );
 224             GLSLF(1, res = rgb2yuv(res, %i);    ,s->out_range == AVCOL_RANGE_JPEG);
 225             switch (s->vkctx.output_format) {
 226             case AV_PIX_FMT_NV12:    GLSLC(1, write_nv12(res, pos); ); break;
 227             case AV_PIX_FMT_YUV420P: GLSLC(1,  write_420(res, pos); ); break;
 228             case AV_PIX_FMT_YUV444P: GLSLC(1,  write_444(res, pos); ); break;
 229             default: return AVERROR(EINVAL);
 230             }
 231         }
 232
 233         GLSLC(0, }                                                               );
 234
 235         RET(ff_vk_compile_shader(vkctx, shd, "main"));
 236     }
 237
 238     RET(ff_vk_init_pipeline_layout(vkctx, s->pl));
 239     RET(ff_vk_init_compute_pipeline(vkctx, s->pl));
 240
 241     if (s->vkctx.output_format != s->vkctx.input_format) {
 242         const AVLumaCoefficients *lcoeffs;
 243         double tmp_mat[3][3];
 244
 245         struct {
 246             float yuv_matrix[4][4];
 247         } *par;
 248
 249         lcoeffs = av_csp_luma_coeffs_from_avcsp(in->colorspace);
 250         if (!lcoeffs) {
 251             av_log(ctx, AV_LOG_ERROR, "Unsupported colorspace\n");
 252             return AVERROR(EINVAL);
 253         }
 254
 255         RET(ff_vk_create_buf(vkctx, &s->params_buf,
 256                              sizeof(*par),
 257                              VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
 258                              VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT));
 259
 260         RET(ff_vk_map_buffers(vkctx, &s->params_buf, (uint8_t **)&par, 1, 0));
 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         RET(ff_vk_unmap_buffers(vkctx, &s->params_buf, 1, 1));
 273
 274         s->params_desc.buffer = s->params_buf.buf;
 275         s->params_desc.range  = VK_WHOLE_SIZE;
 276
 277         ff_vk_update_descriptor_set(vkctx, s->pl, 1);
 278     }
 279
 280     /* Execution context */
 281     RET(ff_vk_create_exec_ctx(vkctx, &s->exec, &s->qf));
 282
 283     s->initialized = 1;
 284
 285     return 0;
 286
 287 fail:
 288     return err;
 289 }
 290
 291 static int process_frames(AVFilterContext *avctx, AVFrame *out_f, AVFrame *in_f)
 292 {
 293     int err = 0;
 294     VkCommandBuffer cmd_buf;
 295     ScaleVulkanContext *s = avctx->priv;
 296     FFVulkanContext *vkctx = &s->vkctx;
 297     FFVulkanFunctions *vk = &vkctx->vkfn;
 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     const int planes = av_pix_fmt_count_planes(s->vkctx.input_format);
 303     const VkFormat *input_formats = av_vkfmt_from_pixfmt(s->vkctx.input_format);
 304     const VkFormat *output_formats = av_vkfmt_from_pixfmt(s->vkctx.output_format);
 305
 306     /* Update descriptors and init the exec context */
 307     ff_vk_start_exec_recording(vkctx, s->exec);
 308     cmd_buf = ff_vk_get_exec_buf(s->exec);
 309
 310     for (int i = 0; i < planes; i++) {
 311         RET(ff_vk_create_imageview(vkctx, s->exec,
 312                                    &s->input_images[i].imageView, in->img[i],
 313                                    input_formats[i],
 314                                    ff_comp_identity_map));
 315
 316         RET(ff_vk_create_imageview(vkctx, s->exec,
 317                                    &s->output_images[i].imageView, out->img[i],
 318                                    output_formats[i],
 319                                    ff_comp_identity_map));
 320
 321         s->input_images[i].imageLayout  = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
 322         s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
 323     }
 324
 325     ff_vk_update_descriptor_set(vkctx, s->pl, 0);
 326
 327     for (int i = 0; i < planes; 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     vk->CmdPipelineBarrier(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(vkctx, s->exec, s->pl);
 374
 375     vk->CmdDispatch(cmd_buf,
 376                     FFALIGN(vkctx->output_width,  CGROUPS[0])/CGROUPS[0],
 377                     FFALIGN(vkctx->output_height, CGROUPS[1])/CGROUPS[1], 1);
 378
 379     ff_vk_add_exec_dep(vkctx, s->exec, in_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
 380     ff_vk_add_exec_dep(vkctx, s->exec, out_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
 381
 382     err = ff_vk_submit_exec_queue(vkctx, s->exec);
 383     if (err)
 384         return err;
 385
 386     ff_vk_qf_rotate(&s->qf);
 387
 388     return err;
 389
 390 fail:
 391     ff_vk_discard_exec_deps(s->exec);
 392     return err;
 393 }
 394
 395 static int scale_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
 396 {
 397     int err;
 398     AVFilterContext *ctx = link->dst;
 399     ScaleVulkanContext *s = ctx->priv;
 400     AVFilterLink *outlink = ctx->outputs[0];
 401
 402     AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
 403     if (!out) {
 404         err = AVERROR(ENOMEM);
 405         goto fail;
 406     }
 407
 408     if (!s->initialized)
 409         RET(init_filter(ctx, in));
 410
 411     RET(process_frames(ctx, out, in));
 412
 413     err = av_frame_copy_props(out, in);
 414     if (err < 0)
 415         goto fail;
 416
 417     if (s->out_range != AVCOL_RANGE_UNSPECIFIED)
 418         out->color_range = s->out_range;
 419     if (s->vkctx.output_format != s->vkctx.input_format)
 420         out->chroma_location = AVCHROMA_LOC_TOPLEFT;
 421
 422     av_frame_free(&in);
 423
 424     return ff_filter_frame(outlink, out);
 425
 426 fail:
 427     av_frame_free(&in);
 428     av_frame_free(&out);
 429     return err;
 430 }
 431
 432 static int scale_vulkan_config_output(AVFilterLink *outlink)
 433 {
 434     int err;
 435     AVFilterContext *avctx = outlink->src;
 436     ScaleVulkanContext *s  = avctx->priv;
 437     FFVulkanContext *vkctx = &s->vkctx;
 438     AVFilterLink *inlink   = outlink->src->inputs[0];
 439
 440     err = ff_scale_eval_dimensions(s, s->w_expr, s->h_expr, inlink, outlink,
 441                                    &vkctx->output_width,
 442                                    &vkctx->output_height);
 443     if (err < 0)
 444         return err;
 445
 446     if (s->out_format_string) {
 447         s->vkctx.output_format = av_get_pix_fmt(s->out_format_string);
 448         if (s->vkctx.output_format == AV_PIX_FMT_NONE) {
 449             av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n");
 450             return AVERROR(EINVAL);
 451         }
 452     } else {
 453         s->vkctx.output_format = s->vkctx.input_format;
 454     }
 455
 456     if (s->vkctx.output_format != s->vkctx.input_format) {
 457         if (!ff_vk_mt_is_np_rgb(s->vkctx.input_format)) {
 458             av_log(avctx, AV_LOG_ERROR, "Unsupported input format for conversion\n");
 459             return AVERROR(EINVAL);
 460         }
 461         if (s->vkctx.output_format != AV_PIX_FMT_NV12 &&
 462             s->vkctx.output_format != AV_PIX_FMT_YUV420P &&
 463             s->vkctx.output_format != AV_PIX_FMT_YUV444P) {
 464             av_log(avctx, AV_LOG_ERROR, "Unsupported output format\n");
 465             return AVERROR(EINVAL);
 466         }
 467     } else if (s->out_range != AVCOL_RANGE_UNSPECIFIED) {
 468         av_log(avctx, AV_LOG_ERROR, "Cannot change range without converting format\n");
 469         return AVERROR(EINVAL);
 470     }
 471
 472     return ff_vk_filter_config_output(outlink);
 473 }
 474
 475 static void scale_vulkan_uninit(AVFilterContext *avctx)
 476 {
 477     ScaleVulkanContext *s = avctx->priv;
 478
 479     ff_vk_free_buf(&s->vkctx, &s->params_buf);
 480     ff_vk_uninit(&s->vkctx);
 481
 482     s->initialized = 0;
 483 }
 484
 485 #define OFFSET(x) offsetof(ScaleVulkanContext, x)
 486 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
 487 static const AVOption scale_vulkan_options[] = {
 488     { "w", "Output video width",  OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
 489     { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
 490     { "scaler", "Scaler function", OFFSET(scaler), AV_OPT_TYPE_INT, {.i64 = F_BILINEAR}, 0, F_NB, .flags = FLAGS, "scaler" },
 491         { "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, "scaler" },
 492         { "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, "scaler" },
 493     { "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
 494     { "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" },
 495         { "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
 496         { "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
 497         { "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
 498         { "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
 499         { "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
 500         { "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
 501     { NULL },
 502 };
 503
 504 AVFILTER_DEFINE_CLASS(scale_vulkan);
 505
 506 static const AVFilterPad scale_vulkan_inputs[] = {
 507     {
 508         .name         = "default",
 509         .type         = AVMEDIA_TYPE_VIDEO,
 510         .filter_frame = &scale_vulkan_filter_frame,
 511         .config_props = &ff_vk_filter_config_input,
 512     },
 513 };
 514
 515 static const AVFilterPad scale_vulkan_outputs[] = {
 516     {
 517         .name = "default",
 518         .type = AVMEDIA_TYPE_VIDEO,
 519         .config_props = &scale_vulkan_config_output,
 520     },
 521 };
 522
 523 const AVFilter ff_vf_scale_vulkan = {
 524     .name           = "scale_vulkan",
 525     .description    = NULL_IF_CONFIG_SMALL("Scale Vulkan frames"),
 526     .priv_size      = sizeof(ScaleVulkanContext),
 527     .init           = &ff_vk_filter_init,
 528     .uninit         = &scale_vulkan_uninit,
 529     FILTER_INPUTS(scale_vulkan_inputs),
 530     FILTER_OUTPUTS(scale_vulkan_outputs),
 531     FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
 532     .priv_class     = &scale_vulkan_class,
 533     .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
 534 };