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path: root/libavfilter/vf_scale_qsv.c (plain)
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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/**
20 * @file
21 * scale video filter - QSV
22 */
23
24#include <mfx/mfxvideo.h>
25
26#include <stdio.h>
27#include <string.h>
28
29#include "libavutil/avstring.h"
30#include "libavutil/common.h"
31#include "libavutil/eval.h"
32#include "libavutil/hwcontext.h"
33#include "libavutil/hwcontext_qsv.h"
34#include "libavutil/internal.h"
35#include "libavutil/mathematics.h"
36#include "libavutil/opt.h"
37#include "libavutil/pixdesc.h"
38#include "libavutil/time.h"
39
40#include "avfilter.h"
41#include "formats.h"
42#include "internal.h"
43#include "video.h"
44
45static const char *const var_names[] = {
46 "PI",
47 "PHI",
48 "E",
49 "in_w", "iw",
50 "in_h", "ih",
51 "out_w", "ow",
52 "out_h", "oh",
53 "a", "dar",
54 "sar",
55 NULL
56};
57
58enum var_name {
59 VAR_PI,
60 VAR_PHI,
61 VAR_E,
62 VAR_IN_W, VAR_IW,
63 VAR_IN_H, VAR_IH,
64 VAR_OUT_W, VAR_OW,
65 VAR_OUT_H, VAR_OH,
66 VAR_A, VAR_DAR,
67 VAR_SAR,
68 VARS_NB
69};
70
71typedef struct QSVScaleContext {
72 const AVClass *class;
73
74 AVBufferRef *out_frames_ref;
75 /* a clone of the main session, used internally for scaling */
76 mfxSession session;
77
78 mfxMemId *mem_ids_in;
79 int nb_mem_ids_in;
80
81 mfxMemId *mem_ids_out;
82 int nb_mem_ids_out;
83
84 mfxFrameSurface1 **surface_ptrs_in;
85 int nb_surface_ptrs_in;
86
87 mfxFrameSurface1 **surface_ptrs_out;
88 int nb_surface_ptrs_out;
89
90 mfxExtOpaqueSurfaceAlloc opaque_alloc;
91 mfxExtBuffer *ext_buffers[1];
92
93 int shift_width, shift_height;
94
95 /**
96 * New dimensions. Special values are:
97 * 0 = original width/height
98 * -1 = keep original aspect
99 */
100 int w, h;
101
102 /**
103 * Output sw format. AV_PIX_FMT_NONE for no conversion.
104 */
105 enum AVPixelFormat format;
106
107 char *w_expr; ///< width expression string
108 char *h_expr; ///< height expression string
109 char *format_str;
110} QSVScaleContext;
111
112static int qsvscale_init(AVFilterContext *ctx)
113{
114 QSVScaleContext *s = ctx->priv;
115
116 if (!strcmp(s->format_str, "same")) {
117 s->format = AV_PIX_FMT_NONE;
118 } else {
119 s->format = av_get_pix_fmt(s->format_str);
120 if (s->format == AV_PIX_FMT_NONE) {
121 av_log(ctx, AV_LOG_ERROR, "Unrecognized pixel format: %s\n", s->format_str);
122 return AVERROR(EINVAL);
123 }
124 }
125
126 return 0;
127}
128
129static void qsvscale_uninit(AVFilterContext *ctx)
130{
131 QSVScaleContext *s = ctx->priv;
132
133 if (s->session) {
134 MFXClose(s->session);
135 s->session = NULL;
136 }
137 av_buffer_unref(&s->out_frames_ref);
138
139 av_freep(&s->mem_ids_in);
140 av_freep(&s->mem_ids_out);
141 s->nb_mem_ids_in = 0;
142 s->nb_mem_ids_out = 0;
143
144 av_freep(&s->surface_ptrs_in);
145 av_freep(&s->surface_ptrs_out);
146 s->nb_surface_ptrs_in = 0;
147 s->nb_surface_ptrs_out = 0;
148}
149
150static int qsvscale_query_formats(AVFilterContext *ctx)
151{
152 static const enum AVPixelFormat pixel_formats[] = {
153 AV_PIX_FMT_QSV, AV_PIX_FMT_NONE,
154 };
155 AVFilterFormats *pix_fmts = ff_make_format_list(pixel_formats);
156 int ret;
157
158 if ((ret = ff_set_common_formats(ctx, pix_fmts)) < 0)
159 return ret;
160
161 return 0;
162}
163
164static int init_out_pool(AVFilterContext *ctx,
165 int out_width, int out_height)
166{
167 QSVScaleContext *s = ctx->priv;
168
169 AVHWFramesContext *in_frames_ctx;
170 AVHWFramesContext *out_frames_ctx;
171 AVQSVFramesContext *in_frames_hwctx;
172 AVQSVFramesContext *out_frames_hwctx;
173 enum AVPixelFormat in_format;
174 enum AVPixelFormat out_format;
175 int i, ret;
176
177 /* check that we have a hw context */
178 if (!ctx->inputs[0]->hw_frames_ctx) {
179 av_log(ctx, AV_LOG_ERROR, "No hw context provided on input\n");
180 return AVERROR(EINVAL);
181 }
182 in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
183 in_frames_hwctx = in_frames_ctx->hwctx;
184
185 in_format = in_frames_ctx->sw_format;
186 out_format = (s->format == AV_PIX_FMT_NONE) ? in_format : s->format;
187
188 s->out_frames_ref = av_hwframe_ctx_alloc(in_frames_ctx->device_ref);
189 if (!s->out_frames_ref)
190 return AVERROR(ENOMEM);
191 out_frames_ctx = (AVHWFramesContext*)s->out_frames_ref->data;
192 out_frames_hwctx = out_frames_ctx->hwctx;
193
194 out_frames_ctx->format = AV_PIX_FMT_QSV;
195 out_frames_ctx->width = FFALIGN(out_width, 32);
196 out_frames_ctx->height = FFALIGN(out_height, 32);
197 out_frames_ctx->sw_format = out_format;
198 out_frames_ctx->initial_pool_size = 32;
199
200 out_frames_hwctx->frame_type = in_frames_hwctx->frame_type;
201
202 ret = av_hwframe_ctx_init(s->out_frames_ref);
203 if (ret < 0)
204 return ret;
205
206 for (i = 0; i < out_frames_hwctx->nb_surfaces; i++) {
207 mfxFrameInfo *info = &out_frames_hwctx->surfaces[i].Info;
208 info->CropW = out_width;
209 info->CropH = out_height;
210 }
211
212 return 0;
213}
214
215static mfxStatus frame_alloc(mfxHDL pthis, mfxFrameAllocRequest *req,
216 mfxFrameAllocResponse *resp)
217{
218 AVFilterContext *ctx = pthis;
219 QSVScaleContext *s = ctx->priv;
220
221 if (!(req->Type & MFX_MEMTYPE_VIDEO_MEMORY_PROCESSOR_TARGET) ||
222 !(req->Type & (MFX_MEMTYPE_FROM_VPPIN | MFX_MEMTYPE_FROM_VPPOUT)) ||
223 !(req->Type & MFX_MEMTYPE_EXTERNAL_FRAME))
224 return MFX_ERR_UNSUPPORTED;
225
226 if (req->Type & MFX_MEMTYPE_FROM_VPPIN) {
227 resp->mids = s->mem_ids_in;
228 resp->NumFrameActual = s->nb_mem_ids_in;
229 } else {
230 resp->mids = s->mem_ids_out;
231 resp->NumFrameActual = s->nb_mem_ids_out;
232 }
233
234 return MFX_ERR_NONE;
235}
236
237static mfxStatus frame_free(mfxHDL pthis, mfxFrameAllocResponse *resp)
238{
239 return MFX_ERR_NONE;
240}
241
242static mfxStatus frame_lock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
243{
244 return MFX_ERR_UNSUPPORTED;
245}
246
247static mfxStatus frame_unlock(mfxHDL pthis, mfxMemId mid, mfxFrameData *ptr)
248{
249 return MFX_ERR_UNSUPPORTED;
250}
251
252static mfxStatus frame_get_hdl(mfxHDL pthis, mfxMemId mid, mfxHDL *hdl)
253{
254 *hdl = mid;
255 return MFX_ERR_NONE;
256}
257
258static const mfxHandleType handle_types[] = {
259 MFX_HANDLE_VA_DISPLAY,
260 MFX_HANDLE_D3D9_DEVICE_MANAGER,
261 MFX_HANDLE_D3D11_DEVICE,
262};
263
264static int init_out_session(AVFilterContext *ctx)
265{
266
267 QSVScaleContext *s = ctx->priv;
268 AVHWFramesContext *in_frames_ctx = (AVHWFramesContext*)ctx->inputs[0]->hw_frames_ctx->data;
269 AVHWFramesContext *out_frames_ctx = (AVHWFramesContext*)s->out_frames_ref->data;
270 AVQSVFramesContext *in_frames_hwctx = in_frames_ctx->hwctx;
271 AVQSVFramesContext *out_frames_hwctx = out_frames_ctx->hwctx;
272 AVQSVDeviceContext *device_hwctx = in_frames_ctx->device_ctx->hwctx;
273
274 int opaque = !!(in_frames_hwctx->frame_type & MFX_MEMTYPE_OPAQUE_FRAME);
275
276 mfxHDL handle = NULL;
277 mfxHandleType handle_type;
278 mfxVersion ver;
279 mfxIMPL impl;
280 mfxVideoParam par;
281 mfxStatus err;
282 int i;
283
284 /* extract the properties of the "master" session given to us */
285 err = MFXQueryIMPL(device_hwctx->session, &impl);
286 if (err == MFX_ERR_NONE)
287 err = MFXQueryVersion(device_hwctx->session, &ver);
288 if (err != MFX_ERR_NONE) {
289 av_log(ctx, AV_LOG_ERROR, "Error querying the session attributes\n");
290 return AVERROR_UNKNOWN;
291 }
292
293 for (i = 0; i < FF_ARRAY_ELEMS(handle_types); i++) {
294 err = MFXVideoCORE_GetHandle(device_hwctx->session, handle_types[i], &handle);
295 if (err == MFX_ERR_NONE) {
296 handle_type = handle_types[i];
297 break;
298 }
299 }
300
301 /* create a "slave" session with those same properties, to be used for
302 * actual scaling */
303 err = MFXInit(impl, &ver, &s->session);
304 if (err != MFX_ERR_NONE) {
305 av_log(ctx, AV_LOG_ERROR, "Error initializing a session for scaling\n");
306 return AVERROR_UNKNOWN;
307 }
308
309 if (handle) {
310 err = MFXVideoCORE_SetHandle(s->session, handle_type, handle);
311 if (err != MFX_ERR_NONE)
312 return AVERROR_UNKNOWN;
313 }
314
315 memset(&par, 0, sizeof(par));
316
317 if (opaque) {
318 s->surface_ptrs_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
319 sizeof(*s->surface_ptrs_in));
320 if (!s->surface_ptrs_in)
321 return AVERROR(ENOMEM);
322 for (i = 0; i < in_frames_hwctx->nb_surfaces; i++)
323 s->surface_ptrs_in[i] = in_frames_hwctx->surfaces + i;
324 s->nb_surface_ptrs_in = in_frames_hwctx->nb_surfaces;
325
326 s->surface_ptrs_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
327 sizeof(*s->surface_ptrs_out));
328 if (!s->surface_ptrs_out)
329 return AVERROR(ENOMEM);
330 for (i = 0; i < out_frames_hwctx->nb_surfaces; i++)
331 s->surface_ptrs_out[i] = out_frames_hwctx->surfaces + i;
332 s->nb_surface_ptrs_out = out_frames_hwctx->nb_surfaces;
333
334 s->opaque_alloc.In.Surfaces = s->surface_ptrs_in;
335 s->opaque_alloc.In.NumSurface = s->nb_surface_ptrs_in;
336 s->opaque_alloc.In.Type = in_frames_hwctx->frame_type;
337
338 s->opaque_alloc.Out.Surfaces = s->surface_ptrs_out;
339 s->opaque_alloc.Out.NumSurface = s->nb_surface_ptrs_out;
340 s->opaque_alloc.Out.Type = out_frames_hwctx->frame_type;
341
342 s->opaque_alloc.Header.BufferId = MFX_EXTBUFF_OPAQUE_SURFACE_ALLOCATION;
343 s->opaque_alloc.Header.BufferSz = sizeof(s->opaque_alloc);
344
345 s->ext_buffers[0] = (mfxExtBuffer*)&s->opaque_alloc;
346
347 par.ExtParam = s->ext_buffers;
348 par.NumExtParam = FF_ARRAY_ELEMS(s->ext_buffers);
349
350 par.IOPattern = MFX_IOPATTERN_IN_OPAQUE_MEMORY | MFX_IOPATTERN_OUT_OPAQUE_MEMORY;
351 } else {
352 mfxFrameAllocator frame_allocator = {
353 .pthis = ctx,
354 .Alloc = frame_alloc,
355 .Lock = frame_lock,
356 .Unlock = frame_unlock,
357 .GetHDL = frame_get_hdl,
358 .Free = frame_free,
359 };
360
361 s->mem_ids_in = av_mallocz_array(in_frames_hwctx->nb_surfaces,
362 sizeof(*s->mem_ids_in));
363 if (!s->mem_ids_in)
364 return AVERROR(ENOMEM);
365 for (i = 0; i < in_frames_hwctx->nb_surfaces; i++)
366 s->mem_ids_in[i] = in_frames_hwctx->surfaces[i].Data.MemId;
367 s->nb_mem_ids_in = in_frames_hwctx->nb_surfaces;
368
369 s->mem_ids_out = av_mallocz_array(out_frames_hwctx->nb_surfaces,
370 sizeof(*s->mem_ids_out));
371 if (!s->mem_ids_out)
372 return AVERROR(ENOMEM);
373 for (i = 0; i < out_frames_hwctx->nb_surfaces; i++)
374 s->mem_ids_out[i] = out_frames_hwctx->surfaces[i].Data.MemId;
375 s->nb_mem_ids_out = out_frames_hwctx->nb_surfaces;
376
377 err = MFXVideoCORE_SetFrameAllocator(s->session, &frame_allocator);
378 if (err != MFX_ERR_NONE)
379 return AVERROR_UNKNOWN;
380
381 par.IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY | MFX_IOPATTERN_OUT_VIDEO_MEMORY;
382 }
383
384 par.AsyncDepth = 1; // TODO async
385
386 par.vpp.In = in_frames_hwctx->surfaces[0].Info;
387 par.vpp.Out = out_frames_hwctx->surfaces[0].Info;
388
389 /* Apparently VPP requires the frame rate to be set to some value, otherwise
390 * init will fail (probably for the framerate conversion filter). Since we
391 * are only doing scaling here, we just invent an arbitrary
392 * value */
393 par.vpp.In.FrameRateExtN = 25;
394 par.vpp.In.FrameRateExtD = 1;
395 par.vpp.Out.FrameRateExtN = 25;
396 par.vpp.Out.FrameRateExtD = 1;
397
398 err = MFXVideoVPP_Init(s->session, &par);
399 if (err != MFX_ERR_NONE) {
400 av_log(ctx, AV_LOG_ERROR, "Error opening the VPP for scaling\n");
401 return AVERROR_UNKNOWN;
402 }
403
404 return 0;
405}
406
407static int init_scale_session(AVFilterContext *ctx, int in_width, int in_height,
408 int out_width, int out_height)
409{
410 QSVScaleContext *s = ctx->priv;
411
412 int ret;
413
414 qsvscale_uninit(ctx);
415
416 ret = init_out_pool(ctx, out_width, out_height);
417 if (ret < 0)
418 return ret;
419
420 ret = init_out_session(ctx);
421 if (ret < 0)
422 return ret;
423
424 av_buffer_unref(&ctx->outputs[0]->hw_frames_ctx);
425 ctx->outputs[0]->hw_frames_ctx = av_buffer_ref(s->out_frames_ref);
426 if (!ctx->outputs[0]->hw_frames_ctx)
427 return AVERROR(ENOMEM);
428
429 return 0;
430}
431
432static int qsvscale_config_props(AVFilterLink *outlink)
433{
434 AVFilterContext *ctx = outlink->src;
435 AVFilterLink *inlink = outlink->src->inputs[0];
436 QSVScaleContext *s = ctx->priv;
437 int64_t w, h;
438 double var_values[VARS_NB], res;
439 char *expr;
440 int ret;
441
442 var_values[VAR_PI] = M_PI;
443 var_values[VAR_PHI] = M_PHI;
444 var_values[VAR_E] = M_E;
445 var_values[VAR_IN_W] = var_values[VAR_IW] = inlink->w;
446 var_values[VAR_IN_H] = var_values[VAR_IH] = inlink->h;
447 var_values[VAR_OUT_W] = var_values[VAR_OW] = NAN;
448 var_values[VAR_OUT_H] = var_values[VAR_OH] = NAN;
449 var_values[VAR_A] = (double) inlink->w / inlink->h;
450 var_values[VAR_SAR] = inlink->sample_aspect_ratio.num ?
451 (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
452 var_values[VAR_DAR] = var_values[VAR_A] * var_values[VAR_SAR];
453
454 /* evaluate width and height */
455 av_expr_parse_and_eval(&res, (expr = s->w_expr),
456 var_names, var_values,
457 NULL, NULL, NULL, NULL, NULL, 0, ctx);
458 s->w = var_values[VAR_OUT_W] = var_values[VAR_OW] = res;
459 if ((ret = av_expr_parse_and_eval(&res, (expr = s->h_expr),
460 var_names, var_values,
461 NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
462 goto fail;
463 s->h = var_values[VAR_OUT_H] = var_values[VAR_OH] = res;
464 /* evaluate again the width, as it may depend on the output height */
465 if ((ret = av_expr_parse_and_eval(&res, (expr = s->w_expr),
466 var_names, var_values,
467 NULL, NULL, NULL, NULL, NULL, 0, ctx)) < 0)
468 goto fail;
469 s->w = res;
470
471 w = s->w;
472 h = s->h;
473
474 /* sanity check params */
475 if (w < -1 || h < -1) {
476 av_log(ctx, AV_LOG_ERROR, "Size values less than -1 are not acceptable.\n");
477 return AVERROR(EINVAL);
478 }
479 if (w == -1 && h == -1)
480 s->w = s->h = 0;
481
482 if (!(w = s->w))
483 w = inlink->w;
484 if (!(h = s->h))
485 h = inlink->h;
486 if (w == -1)
487 w = av_rescale(h, inlink->w, inlink->h);
488 if (h == -1)
489 h = av_rescale(w, inlink->h, inlink->w);
490
491 if (w > INT_MAX || h > INT_MAX ||
492 (h * inlink->w) > INT_MAX ||
493 (w * inlink->h) > INT_MAX)
494 av_log(ctx, AV_LOG_ERROR, "Rescaled value for width or height is too big.\n");
495
496 outlink->w = w;
497 outlink->h = h;
498
499 ret = init_scale_session(ctx, inlink->w, inlink->h, w, h);
500 if (ret < 0)
501 return ret;
502
503 av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d -> w:%d h:%d\n",
504 inlink->w, inlink->h, outlink->w, outlink->h);
505
506 if (inlink->sample_aspect_ratio.num)
507 outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h*inlink->w,
508 outlink->w*inlink->h},
509 inlink->sample_aspect_ratio);
510 else
511 outlink->sample_aspect_ratio = inlink->sample_aspect_ratio;
512
513 return 0;
514
515fail:
516 av_log(NULL, AV_LOG_ERROR,
517 "Error when evaluating the expression '%s'\n", expr);
518 return ret;
519}
520
521static int qsvscale_filter_frame(AVFilterLink *link, AVFrame *in)
522{
523 AVFilterContext *ctx = link->dst;
524 QSVScaleContext *s = ctx->priv;
525 AVFilterLink *outlink = ctx->outputs[0];
526
527 mfxSyncPoint sync = NULL;
528 mfxStatus err;
529
530 AVFrame *out = NULL;
531 int ret = 0;
532
533 out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
534 if (!out) {
535 ret = AVERROR(ENOMEM);
536 goto fail;
537 }
538
539 do {
540 err = MFXVideoVPP_RunFrameVPPAsync(s->session,
541 (mfxFrameSurface1*)in->data[3],
542 (mfxFrameSurface1*)out->data[3],
543 NULL, &sync);
544 if (err == MFX_WRN_DEVICE_BUSY)
545 av_usleep(1);
546 } while (err == MFX_WRN_DEVICE_BUSY);
547
548 if (err < 0 || !sync) {
549 av_log(ctx, AV_LOG_ERROR, "Error during scaling\n");
550 ret = AVERROR_UNKNOWN;
551 goto fail;
552 }
553
554 do {
555 err = MFXVideoCORE_SyncOperation(s->session, sync, 1000);
556 } while (err == MFX_WRN_IN_EXECUTION);
557 if (err < 0) {
558 av_log(ctx, AV_LOG_ERROR, "Error synchronizing the operation: %d\n", err);
559 ret = AVERROR_UNKNOWN;
560 goto fail;
561 }
562
563 ret = av_frame_copy_props(out, in);
564 if (ret < 0)
565 goto fail;
566
567 out->width = outlink->w;
568 out->height = outlink->h;
569
570 av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,
571 (int64_t)in->sample_aspect_ratio.num * outlink->h * link->w,
572 (int64_t)in->sample_aspect_ratio.den * outlink->w * link->h,
573 INT_MAX);
574
575 av_frame_free(&in);
576 return ff_filter_frame(outlink, out);
577fail:
578 av_frame_free(&in);
579 av_frame_free(&out);
580 return ret;
581}
582
583#define OFFSET(x) offsetof(QSVScaleContext, x)
584#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
585static const AVOption options[] = {
586 { "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, { .str = "iw" }, .flags = FLAGS },
587 { "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, { .str = "ih" }, .flags = FLAGS },
588 { "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
589
590 { NULL },
591};
592
593static const AVClass qsvscale_class = {
594 .class_name = "qsvscale",
595 .item_name = av_default_item_name,
596 .option = options,
597 .version = LIBAVUTIL_VERSION_INT,
598};
599
600static const AVFilterPad qsvscale_inputs[] = {
601 {
602 .name = "default",
603 .type = AVMEDIA_TYPE_VIDEO,
604 .filter_frame = qsvscale_filter_frame,
605 },
606 { NULL }
607};
608
609static const AVFilterPad qsvscale_outputs[] = {
610 {
611 .name = "default",
612 .type = AVMEDIA_TYPE_VIDEO,
613 .config_props = qsvscale_config_props,
614 },
615 { NULL }
616};
617
618AVFilter ff_vf_scale_qsv = {
619 .name = "scale_qsv",
620 .description = NULL_IF_CONFIG_SMALL("QuickSync video scaling and format conversion"),
621
622 .init = qsvscale_init,
623 .uninit = qsvscale_uninit,
624 .query_formats = qsvscale_query_formats,
625
626 .priv_size = sizeof(QSVScaleContext),
627 .priv_class = &qsvscale_class,
628
629 .inputs = qsvscale_inputs,
630 .outputs = qsvscale_outputs,
631
632 .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
633};
634
generated by cgit at 2024-05-17 01:48:26 (GMT)