]> git.sesse.net Git - ffmpeg/blob - libavfilter/vf_scale_vulkan.c
avformat/avio: Add Metacube support
[ffmpeg] / 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.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     VulkanFilterContext vkctx;
37
38     int initialized;
39     FFVkExecContext *exec;
40     VulkanPipeline *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     enum ScalerFunc scaler;
49     char *out_format_string;
50     enum AVColorRange out_range;
51     char *w_expr;
52     char *h_expr;
53 } ScaleVulkanContext;
54
55 static const char scale_bilinear[] = {
56     C(0, vec4 scale_bilinear(int idx, ivec2 pos, vec2 crop_range, vec2 crop_off))
57     C(0, {                                                                      )
58     C(1,     vec2 npos = (vec2(pos) + 0.5f) / imageSize(output_img[idx]);       )
59     C(1,     npos *= crop_range;    /* Reduce the range */                      )
60     C(1,     npos += crop_off;      /* Offset the start */                      )
61     C(1,     return texture(input_img[idx], npos);                              )
62     C(0, }                                                                      )
63 };
64
65 static const char rgb2yuv[] = {
66     C(0, vec4 rgb2yuv(vec4 src, int fullrange)                                  )
67     C(0, {                                                                      )
68     C(1,     src *= yuv_matrix;                                                 )
69     C(1,     if (fullrange == 1) {                                              )
70     C(2,         src += vec4(0.0, 0.5, 0.5, 0.0);                               )
71     C(1,     } else {                                                           )
72     C(2,         src *= vec4(219.0 / 255.0, 224.0 / 255.0, 224.0 / 255.0, 1.0); )
73     C(2,         src += vec4(16.0 / 255.0, 128.0 / 255.0, 128.0 / 255.0, 0.0);  )
74     C(1,     }                                                                  )
75     C(1,     return src;                                                        )
76     C(0, }                                                                      )
77 };
78
79 static const char write_nv12[] = {
80     C(0, void write_nv12(vec4 src, ivec2 pos)                                   )
81     C(0, {                                                                      )
82     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
83     C(1,     pos /= ivec2(2);                                                   )
84     C(1,     imageStore(output_img[1], pos, vec4(src.g, src.b, 0.0, 0.0));      )
85     C(0, }                                                                      )
86 };
87
88 static const char write_420[] = {
89     C(0, void write_420(vec4 src, ivec2 pos)                                    )
90     C(0, {                                                                      )
91     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
92     C(1,     pos /= ivec2(2);                                                   )
93     C(1,     imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0));        )
94     C(1,     imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0));        )
95     C(0, }                                                                      )
96 };
97
98 static const char write_444[] = {
99     C(0, void write_444(vec4 src, ivec2 pos)                                    )
100     C(0, {                                                                      )
101     C(1,     imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0));        )
102     C(1,     imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0));        )
103     C(1,     imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0));        )
104     C(0, }                                                                      )
105 };
106
107 static av_cold int init_filter(AVFilterContext *ctx, AVFrame *in)
108 {
109     int err;
110     VkSampler *sampler;
111     VkFilter sampler_mode;
112     ScaleVulkanContext *s = ctx->priv;
113
114     int crop_x = in->crop_left;
115     int crop_y = in->crop_top;
116     int crop_w = in->width - (in->crop_left + in->crop_right);
117     int crop_h = in->height - (in->crop_top + in->crop_bottom);
118
119     s->vkctx.queue_family_idx = s->vkctx.hwctx->queue_family_comp_index;
120     s->vkctx.queue_count = GET_QUEUE_COUNT(s->vkctx.hwctx, 0, 1, 0);
121     s->vkctx.cur_queue_idx = av_get_random_seed() % s->vkctx.queue_count;
122
123     switch (s->scaler) {
124     case F_NEAREST:
125         sampler_mode = VK_FILTER_NEAREST;
126         break;
127     case F_BILINEAR:
128         sampler_mode = VK_FILTER_LINEAR;
129         break;
130     };
131
132     /* Create a sampler */
133     sampler = ff_vk_init_sampler(ctx, 0, sampler_mode);
134     if (!sampler)
135         return AVERROR_EXTERNAL;
136
137     s->pl = ff_vk_create_pipeline(ctx);
138     if (!s->pl)
139         return AVERROR(ENOMEM);
140
141     { /* Create the shader */
142         VulkanDescriptorSetBinding desc_i[2] = {
143             {
144                 .name       = "input_img",
145                 .type       = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
146                 .dimensions = 2,
147                 .elems      = av_pix_fmt_count_planes(s->vkctx.input_format),
148                 .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
149                 .updater    = s->input_images,
150                 .samplers   = DUP_SAMPLER_ARRAY4(*sampler),
151             },
152             {
153                 .name       = "output_img",
154                 .type       = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
155                 .mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format),
156                 .mem_quali  = "writeonly",
157                 .dimensions = 2,
158                 .elems      = av_pix_fmt_count_planes(s->vkctx.output_format),
159                 .stages     = VK_SHADER_STAGE_COMPUTE_BIT,
160                 .updater    = s->output_images,
161             },
162         };
163
164         VulkanDescriptorSetBinding desc_b = {
165             .name        = "params",
166             .type        = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
167             .mem_quali   = "readonly",
168             .mem_layout  = "std430",
169             .stages      = VK_SHADER_STAGE_COMPUTE_BIT,
170             .updater     = &s->params_desc,
171             .buf_content = "mat4 yuv_matrix;",
172         };
173
174         SPIRVShader *shd = ff_vk_init_shader(ctx, s->pl, "scale_compute",
175                                              VK_SHADER_STAGE_COMPUTE_BIT);
176         if (!shd)
177             return AVERROR(ENOMEM);
178
179         ff_vk_set_compute_shader_sizes(ctx, shd, CGROUPS);
180
181         RET(ff_vk_add_descriptor_set(ctx, s->pl, shd,  desc_i, 2, 0)); /* set 0 */
182         RET(ff_vk_add_descriptor_set(ctx, s->pl, shd, &desc_b, 1, 0)); /* set 0 */
183
184         GLSLD(   scale_bilinear                                                  );
185
186         if (s->vkctx.output_format != s->vkctx.input_format) {
187             GLSLD(   rgb2yuv                                                     );
188         }
189
190         switch (s->vkctx.output_format) {
191         case AV_PIX_FMT_NV12:    GLSLD(write_nv12); break;
192         case AV_PIX_FMT_YUV420P: GLSLD( write_420); break;
193         case AV_PIX_FMT_YUV444P: GLSLD( write_444); break;
194         default: break;
195         }
196
197         GLSLC(0, void main()                                                     );
198         GLSLC(0, {                                                               );
199         GLSLC(1,     ivec2 size;                                                 );
200         GLSLC(1,     ivec2 pos = ivec2(gl_GlobalInvocationID.xy);                );
201         GLSLF(1,     vec2 in_d = vec2(%i, %i);             ,in->width, in->height);
202         GLSLF(1,     vec2 c_r = vec2(%i, %i) / in_d;              ,crop_w, crop_h);
203         GLSLF(1,     vec2 c_o = vec2(%i, %i) / in_d;               ,crop_x,crop_y);
204         GLSLC(0,                                                                 );
205
206         if (s->vkctx.output_format == s->vkctx.input_format) {
207             for (int i = 0; i < desc_i[1].elems; i++) {
208                 GLSLF(1,  size = imageSize(output_img[%i]);                    ,i);
209                 GLSLC(1,  if (IS_WITHIN(pos, size)) {                            );
210                 switch (s->scaler) {
211                 case F_NEAREST:
212                 case F_BILINEAR:
213                     GLSLF(2, vec4 res = scale_bilinear(%i, pos, c_r, c_o);     ,i);
214                     GLSLF(2, imageStore(output_img[%i], pos, res);             ,i);
215                     break;
216                 };
217                 GLSLC(1, }                                                       );
218             }
219         } else {
220             GLSLC(1, vec4 res = scale_bilinear(0, pos, c_r, c_o);                );
221             GLSLF(1, res = rgb2yuv(res, %i);    ,s->out_range == AVCOL_RANGE_JPEG);
222             switch (s->vkctx.output_format) {
223             case AV_PIX_FMT_NV12:    GLSLC(1, write_nv12(res, pos); ); break;
224             case AV_PIX_FMT_YUV420P: GLSLC(1,  write_420(res, pos); ); break;
225             case AV_PIX_FMT_YUV444P: GLSLC(1,  write_444(res, pos); ); break;
226             default: return AVERROR(EINVAL);
227             }
228         }
229
230         GLSLC(0, }                                                               );
231
232         RET(ff_vk_compile_shader(ctx, shd, "main"));
233     }
234
235     RET(ff_vk_init_pipeline_layout(ctx, s->pl));
236     RET(ff_vk_init_compute_pipeline(ctx, s->pl));
237
238     if (s->vkctx.output_format != s->vkctx.input_format) {
239         const struct LumaCoefficients *lcoeffs;
240         double tmp_mat[3][3];
241
242         struct {
243             float yuv_matrix[4][4];
244         } *par;
245
246         lcoeffs = ff_get_luma_coefficients(in->colorspace);
247         if (!lcoeffs) {
248             av_log(ctx, AV_LOG_ERROR, "Unsupported colorspace\n");
249             return AVERROR(EINVAL);
250         }
251
252         err = ff_vk_create_buf(ctx, &s->params_buf,
253                                sizeof(*par),
254                                VK_BUFFER_USAGE_STORAGE_BUFFER_BIT,
255                                VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
256         if (err)
257             return err;
258
259         err = ff_vk_map_buffers(ctx, &s->params_buf, (uint8_t **)&par, 1, 0);
260         if (err)
261             return err;
262
263         ff_fill_rgb2yuv_table(lcoeffs, tmp_mat);
264
265         memset(par, 0, sizeof(*par));
266
267         for (int y = 0; y < 3; y++)
268             for (int x = 0; x < 3; x++)
269                 par->yuv_matrix[x][y] = tmp_mat[x][y];
270
271         par->yuv_matrix[3][3] = 1.0;
272
273         err = ff_vk_unmap_buffers(ctx, &s->params_buf, 1, 1);
274         if (err)
275             return err;
276
277         s->params_desc.buffer = s->params_buf.buf;
278         s->params_desc.range  = VK_WHOLE_SIZE;
279
280         ff_vk_update_descriptor_set(ctx, s->pl, 1);
281     }
282
283     /* Execution context */
284     RET(ff_vk_create_exec_ctx(ctx, &s->exec));
285
286     s->initialized = 1;
287
288     return 0;
289
290 fail:
291     return err;
292 }
293
294 static int process_frames(AVFilterContext *avctx, AVFrame *out_f, AVFrame *in_f)
295 {
296     int err = 0;
297     VkCommandBuffer cmd_buf;
298     ScaleVulkanContext *s = avctx->priv;
299     AVVkFrame *in = (AVVkFrame *)in_f->data[0];
300     AVVkFrame *out = (AVVkFrame *)out_f->data[0];
301     VkImageMemoryBarrier barriers[AV_NUM_DATA_POINTERS*2];
302     int barrier_count = 0;
303
304     /* Update descriptors and init the exec context */
305     ff_vk_start_exec_recording(avctx, s->exec);
306     cmd_buf = ff_vk_get_exec_buf(avctx, s->exec);
307
308     for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.input_format); i++) {
309         RET(ff_vk_create_imageview(avctx, s->exec, &s->input_images[i].imageView,
310                                    in->img[i],
311                                    av_vkfmt_from_pixfmt(s->vkctx.input_format)[i],
312                                    ff_comp_identity_map));
313
314         s->input_images[i].imageLayout  = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL;
315     }
316
317     for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.output_format); i++) {
318         RET(ff_vk_create_imageview(avctx, s->exec, &s->output_images[i].imageView,
319                                    out->img[i],
320                                    av_vkfmt_from_pixfmt(s->vkctx.output_format)[i],
321                                    ff_comp_identity_map));
322
323         s->output_images[i].imageLayout = VK_IMAGE_LAYOUT_GENERAL;
324     }
325
326     ff_vk_update_descriptor_set(avctx, s->pl, 0);
327
328     for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.input_format); i++) {
329         VkImageMemoryBarrier bar = {
330             .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
331             .srcAccessMask = 0,
332             .dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
333             .oldLayout = in->layout[i],
334             .newLayout = s->input_images[i].imageLayout,
335             .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
336             .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
337             .image = in->img[i],
338             .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
339             .subresourceRange.levelCount = 1,
340             .subresourceRange.layerCount = 1,
341         };
342
343         memcpy(&barriers[barrier_count++], &bar, sizeof(VkImageMemoryBarrier));
344
345         in->layout[i]  = bar.newLayout;
346         in->access[i]  = bar.dstAccessMask;
347     }
348
349     for (int i = 0; i < av_pix_fmt_count_planes(s->vkctx.output_format); i++) {
350         VkImageMemoryBarrier bar = {
351             .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
352             .srcAccessMask = 0,
353             .dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT,
354             .oldLayout = out->layout[i],
355             .newLayout = s->output_images[i].imageLayout,
356             .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
357             .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
358             .image = out->img[i],
359             .subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
360             .subresourceRange.levelCount = 1,
361             .subresourceRange.layerCount = 1,
362         };
363
364         memcpy(&barriers[barrier_count++], &bar, sizeof(VkImageMemoryBarrier));
365
366         out->layout[i] = bar.newLayout;
367         out->access[i] = bar.dstAccessMask;
368     }
369
370     vkCmdPipelineBarrier(cmd_buf, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
371                          VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT, 0,
372                          0, NULL, 0, NULL, barrier_count, barriers);
373
374     ff_vk_bind_pipeline_exec(avctx, s->exec, s->pl);
375
376     vkCmdDispatch(cmd_buf,
377                   FFALIGN(s->vkctx.output_width,  CGROUPS[0])/CGROUPS[0],
378                   FFALIGN(s->vkctx.output_height, CGROUPS[1])/CGROUPS[1], 1);
379
380     ff_vk_add_exec_dep(avctx, s->exec, in_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
381     ff_vk_add_exec_dep(avctx, s->exec, out_f, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT);
382
383     err = ff_vk_submit_exec_queue(avctx, s->exec);
384     if (err)
385         return err;
386
387     return err;
388
389 fail:
390     ff_vk_discard_exec_deps(avctx, s->exec);
391     return err;
392 }
393
394 static int scale_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
395 {
396     int err;
397     AVFilterContext *ctx = link->dst;
398     ScaleVulkanContext *s = ctx->priv;
399     AVFilterLink *outlink = ctx->outputs[0];
400
401     AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
402     if (!out) {
403         err = AVERROR(ENOMEM);
404         goto fail;
405     }
406
407     if (!s->initialized)
408         RET(init_filter(ctx, in));
409
410     RET(process_frames(ctx, out, in));
411
412     err = av_frame_copy_props(out, in);
413     if (err < 0)
414         goto fail;
415
416     if (s->out_range != AVCOL_RANGE_UNSPECIFIED)
417         out->color_range = s->out_range;
418     if (s->vkctx.output_format != s->vkctx.input_format)
419         out->chroma_location = AVCHROMA_LOC_TOPLEFT;
420
421     av_frame_free(&in);
422
423     return ff_filter_frame(outlink, out);
424
425 fail:
426     av_frame_free(&in);
427     av_frame_free(&out);
428     return err;
429 }
430
431 static int scale_vulkan_config_output(AVFilterLink *outlink)
432 {
433     int err;
434     AVFilterContext *avctx = outlink->src;
435     ScaleVulkanContext *s  = avctx->priv;
436     AVFilterLink *inlink   = outlink->src->inputs[0];
437
438     err = ff_scale_eval_dimensions(s, s->w_expr, s->h_expr, inlink, outlink,
439                                    &s->vkctx.output_width,
440                                    &s->vkctx.output_height);
441     if (err < 0)
442         return err;
443
444     if (s->out_format_string) {
445         s->vkctx.output_format = av_get_pix_fmt(s->out_format_string);
446         if (s->vkctx.output_format == AV_PIX_FMT_NONE) {
447             av_log(avctx, AV_LOG_ERROR, "Invalid output format.\n");
448             return AVERROR(EINVAL);
449         }
450     } else {
451         s->vkctx.output_format = s->vkctx.input_format;
452     }
453
454     if (s->vkctx.output_format != s->vkctx.input_format) {
455         if (!ff_vk_mt_is_np_rgb(s->vkctx.input_format)) {
456             av_log(avctx, AV_LOG_ERROR, "Unsupported input format for conversion\n");
457             return AVERROR(EINVAL);
458         }
459         if (s->vkctx.output_format != AV_PIX_FMT_NV12 &&
460             s->vkctx.output_format != AV_PIX_FMT_YUV420P &&
461             s->vkctx.output_format != AV_PIX_FMT_YUV444P) {
462             av_log(avctx, AV_LOG_ERROR, "Unsupported output format\n");
463             return AVERROR(EINVAL);
464         }
465     } else if (s->out_range != AVCOL_RANGE_UNSPECIFIED) {
466         av_log(avctx, AV_LOG_ERROR, "Cannot change range without converting format\n");
467         return AVERROR(EINVAL);
468     }
469
470     err = ff_vk_filter_config_output(outlink);
471     if (err < 0)
472         return err;
473
474     return 0;
475 }
476
477 static void scale_vulkan_uninit(AVFilterContext *avctx)
478 {
479     ScaleVulkanContext *s = avctx->priv;
480
481     ff_vk_filter_uninit(avctx);
482     ff_vk_free_buf(avctx, &s->params_buf);
483
484     s->initialized = 0;
485 }
486
487 #define OFFSET(x) offsetof(ScaleVulkanContext, x)
488 #define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
489 static const AVOption scale_vulkan_options[] = {
490     { "w", "Output video width",  OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
491     { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
492     { "scaler", "Scaler function", OFFSET(scaler), AV_OPT_TYPE_INT, {.i64 = F_BILINEAR}, 0, F_NB, .flags = FLAGS, "scaler" },
493         { "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, "scaler" },
494         { "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, "scaler" },
495     { "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
496     { "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" },
497         { "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
498         { "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
499         { "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
500         { "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
501         { "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
502         { "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
503     { NULL },
504 };
505
506 AVFILTER_DEFINE_CLASS(scale_vulkan);
507
508 static const AVFilterPad scale_vulkan_inputs[] = {
509     {
510         .name         = "default",
511         .type         = AVMEDIA_TYPE_VIDEO,
512         .filter_frame = &scale_vulkan_filter_frame,
513         .config_props = &ff_vk_filter_config_input,
514     },
515     { NULL }
516 };
517
518 static const AVFilterPad scale_vulkan_outputs[] = {
519     {
520         .name = "default",
521         .type = AVMEDIA_TYPE_VIDEO,
522         .config_props = &scale_vulkan_config_output,
523     },
524     { NULL }
525 };
526
527 const AVFilter ff_vf_scale_vulkan = {
528     .name           = "scale_vulkan",
529     .description    = NULL_IF_CONFIG_SMALL("Scale Vulkan frames"),
530     .priv_size      = sizeof(ScaleVulkanContext),
531     .init           = &ff_vk_filter_init,
532     .uninit         = &scale_vulkan_uninit,
533     .query_formats  = &ff_vk_filter_query_formats,
534     .inputs         = scale_vulkan_inputs,
535     .outputs        = scale_vulkan_outputs,
536     .priv_class     = &scale_vulkan_class,
537     .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
538 };