FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavutil/hwcontext_vdpau.c
Date: 2026-09-25 07:50:45
Exec Total Coverage
Lines: 0 205 0.0%
Functions: 0 14 0.0%
Branches: 0 106 0.0%
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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 #include "config.h"
20
21 #include <stdint.h>
22 #include <string.h>
23
24 #include <vdpau/vdpau.h>
25
26 #include "buffer.h"
27 #include "common.h"
28 #include "hwcontext.h"
29 #include "hwcontext_internal.h"
30 #include "hwcontext_vdpau.h"
31 #include "mem.h"
32 #include "pixfmt.h"
33 #include "pixdesc.h"
34
35 typedef struct VDPAUPixFmtMap {
36 VdpYCbCrFormat vdpau_fmt;
37 enum AVPixelFormat pix_fmt;
38 } VDPAUPixFmtMap;
39
40 static const VDPAUPixFmtMap pix_fmts_420[] = {
41 { VDP_YCBCR_FORMAT_NV12, AV_PIX_FMT_NV12 },
42 { VDP_YCBCR_FORMAT_YV12, AV_PIX_FMT_YUV420P },
43 #ifdef VDP_YCBCR_FORMAT_P016
44 { VDP_YCBCR_FORMAT_P016, AV_PIX_FMT_P016 },
45 { VDP_YCBCR_FORMAT_P010, AV_PIX_FMT_P010 },
46 #endif
47 { 0, AV_PIX_FMT_NONE, },
48 };
49
50 static const VDPAUPixFmtMap pix_fmts_422[] = {
51 { VDP_YCBCR_FORMAT_NV12, AV_PIX_FMT_NV16 },
52 { VDP_YCBCR_FORMAT_YV12, AV_PIX_FMT_YUV422P },
53 { VDP_YCBCR_FORMAT_UYVY, AV_PIX_FMT_UYVY422 },
54 { VDP_YCBCR_FORMAT_YUYV, AV_PIX_FMT_YUYV422 },
55 { 0, AV_PIX_FMT_NONE, },
56 };
57
58 static const VDPAUPixFmtMap pix_fmts_444[] = {
59 #ifdef VDP_YCBCR_FORMAT_Y_U_V_444
60 { VDP_YCBCR_FORMAT_Y_U_V_444, AV_PIX_FMT_YUV444P },
61 #endif
62 #ifdef VDP_YCBCR_FORMAT_P016
63 {VDP_YCBCR_FORMAT_Y_U_V_444_16, AV_PIX_FMT_YUV444P16},
64 #endif
65 { 0, AV_PIX_FMT_NONE, },
66 };
67
68 static const struct {
69 VdpChromaType chroma_type;
70 enum AVPixelFormat frames_sw_format;
71 const VDPAUPixFmtMap *map;
72 } vdpau_pix_fmts[] = {
73 { VDP_CHROMA_TYPE_420, AV_PIX_FMT_YUV420P, pix_fmts_420 },
74 { VDP_CHROMA_TYPE_422, AV_PIX_FMT_YUV422P, pix_fmts_422 },
75 { VDP_CHROMA_TYPE_444, AV_PIX_FMT_YUV444P, pix_fmts_444 },
76 #ifdef VDP_YCBCR_FORMAT_P016
77 { VDP_CHROMA_TYPE_420_16, AV_PIX_FMT_YUV420P10, pix_fmts_420 },
78 { VDP_CHROMA_TYPE_420_16, AV_PIX_FMT_YUV420P12, pix_fmts_420 },
79 { VDP_CHROMA_TYPE_422_16, AV_PIX_FMT_YUV422P10, pix_fmts_422 },
80 { VDP_CHROMA_TYPE_444_16, AV_PIX_FMT_YUV444P10, pix_fmts_444 },
81 { VDP_CHROMA_TYPE_444_16, AV_PIX_FMT_YUV444P12, pix_fmts_444 },
82 #endif
83 };
84
85 typedef struct VDPAUDeviceContext {
86 /**
87 * The public AVVDPAUDeviceContext. See hwcontext_vdpau.h for it.
88 */
89 AVVDPAUDeviceContext p;
90
91 VdpVideoSurfaceQueryGetPutBitsYCbCrCapabilities *get_transfer_caps;
92 VdpVideoSurfaceGetBitsYCbCr *get_data;
93 VdpVideoSurfacePutBitsYCbCr *put_data;
94 VdpVideoSurfaceCreate *surf_create;
95 VdpVideoSurfaceDestroy *surf_destroy;
96
97 enum AVPixelFormat *pix_fmts[FF_ARRAY_ELEMS(vdpau_pix_fmts)];
98 int nb_pix_fmts[FF_ARRAY_ELEMS(vdpau_pix_fmts)];
99 } VDPAUDeviceContext;
100
101 typedef struct VDPAUFramesContext {
102 VdpVideoSurfaceGetBitsYCbCr *get_data;
103 VdpVideoSurfacePutBitsYCbCr *put_data;
104 VdpChromaType chroma_type;
105 int chroma_idx;
106
107 const enum AVPixelFormat *pix_fmts;
108 int nb_pix_fmts;
109 } VDPAUFramesContext;
110
111 ✗ static int count_pixfmts(const VDPAUPixFmtMap *map)
112 {
113 ✗ int count = 0;
114 ✗ while (map->pix_fmt != AV_PIX_FMT_NONE) {
115 ✗ map++;
116 ✗ count++;
117 }
118 ✗ return count;
119 }
120
121 ✗ static int vdpau_init_pixmfts(AVHWDeviceContext *ctx)
122 {
123 ✗ VDPAUDeviceContext *priv = ctx->hwctx;
124 ✗ AVVDPAUDeviceContext *hwctx = &priv->p;
125 int i;
126
127 ✗ for (i = 0; i < FF_ARRAY_ELEMS(priv->pix_fmts); i++) {
128 ✗ const VDPAUPixFmtMap *map = vdpau_pix_fmts[i].map;
129 int nb_pix_fmts;
130
131 ✗ nb_pix_fmts = count_pixfmts(map);
132 ✗ priv->pix_fmts[i] = av_malloc_array(nb_pix_fmts + 1, sizeof(*priv->pix_fmts[i]));
133 ✗ if (!priv->pix_fmts[i])
134 ✗ return AVERROR(ENOMEM);
135
136 ✗ nb_pix_fmts = 0;
137 ✗ while (map->pix_fmt != AV_PIX_FMT_NONE) {
138 VdpBool supported;
139 ✗ VdpStatus err = priv->get_transfer_caps(hwctx->device, vdpau_pix_fmts[i].chroma_type,
140 ✗ map->vdpau_fmt, &supported);
141 ✗ if (err == VDP_STATUS_OK && supported)
142 ✗ priv->pix_fmts[i][nb_pix_fmts++] = map->pix_fmt;
143 ✗ map++;
144 }
145 ✗ priv->pix_fmts[i][nb_pix_fmts++] = AV_PIX_FMT_NONE;
146 ✗ priv->nb_pix_fmts[i] = nb_pix_fmts;
147 }
148
149 ✗ return 0;
150 }
151
152 #define GET_CALLBACK(id, result) \
153 do { \
154 void *tmp; \
155 err = hwctx->get_proc_address(hwctx->device, id, &tmp); \
156 if (err != VDP_STATUS_OK) { \
157 av_log(ctx, AV_LOG_ERROR, "Error getting the " #id " callback.\n"); \
158 return AVERROR_UNKNOWN; \
159 } \
160 result = tmp; \
161 } while (0)
162
163 ✗ static int vdpau_device_init(AVHWDeviceContext *ctx)
164 {
165 ✗ VDPAUDeviceContext *priv = ctx->hwctx;
166 ✗ AVVDPAUDeviceContext *hwctx = &priv->p;
167 VdpStatus err;
168 int ret;
169
170 ✗ GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_QUERY_GET_PUT_BITS_Y_CB_CR_CAPABILITIES,
171 priv->get_transfer_caps);
172 ✗ GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_GET_BITS_Y_CB_CR, priv->get_data);
173 ✗ GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_PUT_BITS_Y_CB_CR, priv->put_data);
174 ✗ GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_CREATE, priv->surf_create);
175 ✗ GET_CALLBACK(VDP_FUNC_ID_VIDEO_SURFACE_DESTROY, priv->surf_destroy);
176
177 ✗ ret = vdpau_init_pixmfts(ctx);
178 ✗ if (ret < 0) {
179 ✗ av_log(ctx, AV_LOG_ERROR, "Error querying the supported pixel formats\n");
180 ✗ return ret;
181 }
182
183 ✗ return 0;
184 }
185
186 ✗ static void vdpau_device_uninit(AVHWDeviceContext *ctx)
187 {
188 ✗ VDPAUDeviceContext *priv = ctx->hwctx;
189 int i;
190
191 ✗ for (i = 0; i < FF_ARRAY_ELEMS(priv->pix_fmts); i++)
192 ✗ av_freep(&priv->pix_fmts[i]);
193 ✗ }
194
195 ✗ static int vdpau_frames_get_constraints(AVHWDeviceContext *ctx,
196 const void *hwconfig,
197 AVHWFramesConstraints *constraints)
198 {
199 ✗ VDPAUDeviceContext *priv = ctx->hwctx;
200 ✗ int nb_sw_formats = 0;
201 int i;
202
203 ✗ constraints->valid_sw_formats = av_malloc_array(FF_ARRAY_ELEMS(vdpau_pix_fmts) + 1,
204 sizeof(*constraints->valid_sw_formats));
205 ✗ if (!constraints->valid_sw_formats)
206 ✗ return AVERROR(ENOMEM);
207
208 ✗ for (i = 0; i < FF_ARRAY_ELEMS(vdpau_pix_fmts); i++) {
209 ✗ if (priv->nb_pix_fmts[i] > 1)
210 ✗ constraints->valid_sw_formats[nb_sw_formats++] = vdpau_pix_fmts[i].frames_sw_format;
211 }
212 ✗ constraints->valid_sw_formats[nb_sw_formats] = AV_PIX_FMT_NONE;
213
214 ✗ constraints->valid_hw_formats = av_malloc_array(2, sizeof(*constraints->valid_hw_formats));
215 ✗ if (!constraints->valid_hw_formats)
216 ✗ return AVERROR(ENOMEM);
217
218 ✗ constraints->valid_hw_formats[0] = AV_PIX_FMT_VDPAU;
219 ✗ constraints->valid_hw_formats[1] = AV_PIX_FMT_NONE;
220
221 ✗ return 0;
222 }
223
224 ✗ static void vdpau_buffer_free(void *opaque, uint8_t *data)
225 {
226 ✗ AVHWFramesContext *ctx = opaque;
227 ✗ VDPAUDeviceContext *device_priv = ctx->device_ctx->hwctx;
228 ✗ VdpVideoSurface surf = (VdpVideoSurface)(uintptr_t)data;
229
230 ✗ device_priv->surf_destroy(surf);
231 ✗ }
232
233 ✗ static AVBufferRef *vdpau_pool_alloc(void *opaque, size_t size)
234 {
235 ✗ AVHWFramesContext *ctx = opaque;
236 ✗ VDPAUFramesContext *priv = ctx->hwctx;
237 ✗ VDPAUDeviceContext *device_priv = ctx->device_ctx->hwctx;
238 ✗ AVVDPAUDeviceContext *device_hwctx = &device_priv->p;
239
240 AVBufferRef *ret;
241 VdpVideoSurface surf;
242 VdpStatus err;
243
244 ✗ err = device_priv->surf_create(device_hwctx->device, priv->chroma_type,
245 ✗ ctx->width, ctx->height, &surf);
246 ✗ if (err != VDP_STATUS_OK) {
247 ✗ av_log(ctx, AV_LOG_ERROR, "Error allocating a VDPAU video surface\n");
248 ✗ return NULL;
249 }
250
251 ✗ ret = av_buffer_create((uint8_t*)(uintptr_t)surf, sizeof(surf),
252 vdpau_buffer_free, ctx, AV_BUFFER_FLAG_READONLY);
253 ✗ if (!ret) {
254 ✗ device_priv->surf_destroy(surf);
255 ✗ return NULL;
256 }
257
258 ✗ return ret;
259 }
260
261 ✗ static int vdpau_frames_init(AVHWFramesContext *ctx)
262 {
263 ✗ VDPAUDeviceContext *device_priv = ctx->device_ctx->hwctx;
264 ✗ VDPAUFramesContext *priv = ctx->hwctx;
265
266 int i;
267
268 ✗ for (i = 0; i < FF_ARRAY_ELEMS(vdpau_pix_fmts); i++) {
269 ✗ if (vdpau_pix_fmts[i].frames_sw_format == ctx->sw_format) {
270 ✗ priv->chroma_type = vdpau_pix_fmts[i].chroma_type;
271 ✗ priv->chroma_idx = i;
272 ✗ priv->pix_fmts = device_priv->pix_fmts[i];
273 ✗ priv->nb_pix_fmts = device_priv->nb_pix_fmts[i];
274 ✗ break;
275 }
276 }
277 ✗ if (priv->nb_pix_fmts < 2) {
278 ✗ av_log(ctx, AV_LOG_ERROR, "Unsupported sw format: %s\n",
279 av_get_pix_fmt_name(ctx->sw_format));
280 ✗ return AVERROR(ENOSYS);
281 }
282
283 ✗ if (!ctx->pool) {
284 ✗ ffhwframesctx(ctx)->pool_internal =
285 ✗ av_buffer_pool_init2(sizeof(VdpVideoSurface), ctx,
286 vdpau_pool_alloc, NULL);
287 ✗ if (!ffhwframesctx(ctx)->pool_internal)
288 ✗ return AVERROR(ENOMEM);
289 }
290
291 ✗ priv->get_data = device_priv->get_data;
292 ✗ priv->put_data = device_priv->put_data;
293
294 ✗ return 0;
295 }
296
297 ✗ static int vdpau_get_buffer(AVHWFramesContext *ctx, AVFrame *frame)
298 {
299 ✗ frame->buf[0] = av_buffer_pool_get(ctx->pool);
300 ✗ if (!frame->buf[0])
301 ✗ return AVERROR(ENOMEM);
302
303 ✗ frame->data[3] = frame->buf[0]->data;
304 ✗ frame->format = AV_PIX_FMT_VDPAU;
305 ✗ frame->width = ctx->width;
306 ✗ frame->height = ctx->height;
307
308 ✗ return 0;
309 }
310
311 ✗ static int vdpau_transfer_get_formats(AVHWFramesContext *ctx,
312 enum AVHWFrameTransferDirection dir,
313 enum AVPixelFormat **formats)
314 {
315 ✗ VDPAUFramesContext *priv = ctx->hwctx;
316
317 enum AVPixelFormat *fmts;
318
319 ✗ if (priv->nb_pix_fmts == 1) {
320 ✗ av_log(ctx, AV_LOG_ERROR,
321 "No target formats are supported for this chroma type\n");
322 ✗ return AVERROR(ENOSYS);
323 }
324
325 ✗ fmts = av_malloc_array(priv->nb_pix_fmts, sizeof(*fmts));
326 ✗ if (!fmts)
327 ✗ return AVERROR(ENOMEM);
328
329 ✗ memcpy(fmts, priv->pix_fmts, sizeof(*fmts) * (priv->nb_pix_fmts));
330 ✗ *formats = fmts;
331
332 ✗ return 0;
333 }
334
335 ✗ static int vdpau_transfer_data_from(AVHWFramesContext *ctx, AVFrame *dst,
336 const AVFrame *src)
337 {
338 ✗ VDPAUFramesContext *priv = ctx->hwctx;
339 ✗ VdpVideoSurface surf = (VdpVideoSurface)(uintptr_t)src->data[3];
340
341 void *data[3];
342 uint32_t linesize[3];
343
344 const VDPAUPixFmtMap *map;
345 VdpYCbCrFormat vdpau_format;
346 VdpStatus err;
347 int i;
348
349 ✗ for (i = 0; i< FF_ARRAY_ELEMS(data) && dst->data[i]; i++) {
350 ✗ data[i] = dst->data[i];
351 ✗ if (dst->linesize[i] < 0 || dst->linesize[i] > UINT32_MAX) {
352 ✗ av_log(ctx, AV_LOG_ERROR,
353 "The linesize %d cannot be represented as uint32\n",
354 dst->linesize[i]);
355 ✗ return AVERROR(ERANGE);
356 }
357 ✗ linesize[i] = dst->linesize[i];
358 }
359
360 ✗ map = vdpau_pix_fmts[priv->chroma_idx].map;
361 ✗ for (i = 0; map[i].pix_fmt != AV_PIX_FMT_NONE; i++) {
362 ✗ if (map[i].pix_fmt == dst->format) {
363 ✗ vdpau_format = map[i].vdpau_fmt;
364 ✗ break;
365 }
366 }
367 ✗ if (map[i].pix_fmt == AV_PIX_FMT_NONE) {
368 ✗ av_log(ctx, AV_LOG_ERROR,
369 "Unsupported target pixel format: %s\n",
370 ✗ av_get_pix_fmt_name(dst->format));
371 ✗ return AVERROR(EINVAL);
372 }
373
374 ✗ if ((vdpau_format == VDP_YCBCR_FORMAT_YV12)
375 #ifdef VDP_YCBCR_FORMAT_Y_U_V_444
376 ✗ || (vdpau_format == VDP_YCBCR_FORMAT_Y_U_V_444)
377 #endif
378 #ifdef VDP_YCBCR_FORMAT_P016
379 ✗ || (vdpau_format == VDP_YCBCR_FORMAT_Y_U_V_444_16)
380 #endif
381 )
382 ✗ FFSWAP(void*, data[1], data[2]);
383
384 ✗ err = priv->get_data(surf, vdpau_format, data, linesize);
385 ✗ if (err != VDP_STATUS_OK) {
386 ✗ av_log(ctx, AV_LOG_ERROR, "Error retrieving the data from a VDPAU surface\n");
387 ✗ return AVERROR_UNKNOWN;
388 }
389
390 ✗ return 0;
391 }
392
393 ✗ static int vdpau_transfer_data_to(AVHWFramesContext *ctx, AVFrame *dst,
394 const AVFrame *src)
395 {
396 ✗ VDPAUFramesContext *priv = ctx->hwctx;
397 ✗ VdpVideoSurface surf = (VdpVideoSurface)(uintptr_t)dst->data[3];
398
399 const void *data[3];
400 uint32_t linesize[3];
401
402 const VDPAUPixFmtMap *map;
403 VdpYCbCrFormat vdpau_format;
404 VdpStatus err;
405 int i;
406
407 ✗ for (i = 0; i< FF_ARRAY_ELEMS(data) && src->data[i]; i++) {
408 ✗ data[i] = src->data[i];
409 ✗ if (src->linesize[i] < 0 || src->linesize[i] > UINT32_MAX) {
410 ✗ av_log(ctx, AV_LOG_ERROR,
411 "The linesize %d cannot be represented as uint32\n",
412 ✗ src->linesize[i]);
413 ✗ return AVERROR(ERANGE);
414 }
415 ✗ linesize[i] = src->linesize[i];
416 }
417
418 ✗ map = vdpau_pix_fmts[priv->chroma_idx].map;
419 ✗ for (i = 0; map[i].pix_fmt != AV_PIX_FMT_NONE; i++) {
420 ✗ if (map[i].pix_fmt == src->format) {
421 ✗ vdpau_format = map[i].vdpau_fmt;
422 ✗ break;
423 }
424 }
425 ✗ if (map[i].pix_fmt == AV_PIX_FMT_NONE) {
426 ✗ av_log(ctx, AV_LOG_ERROR,
427 "Unsupported source pixel format: %s\n",
428 ✗ av_get_pix_fmt_name(src->format));
429 ✗ return AVERROR(EINVAL);
430 }
431
432 ✗ if ((vdpau_format == VDP_YCBCR_FORMAT_YV12)
433 #ifdef VDP_YCBCR_FORMAT_Y_U_V_444
434 ✗ || (vdpau_format == VDP_YCBCR_FORMAT_Y_U_V_444)
435 #endif
436 )
437 ✗ FFSWAP(const void*, data[1], data[2]);
438
439 ✗ err = priv->put_data(surf, vdpau_format, data, linesize);
440 ✗ if (err != VDP_STATUS_OK) {
441 ✗ av_log(ctx, AV_LOG_ERROR, "Error uploading the data to a VDPAU surface\n");
442 ✗ return AVERROR_UNKNOWN;
443 }
444
445 ✗ return 0;
446 }
447
448 #if HAVE_VDPAU_X11
449 #include <vdpau/vdpau_x11.h>
450 #include <X11/Xlib.h>
451
452 typedef struct VDPAUDevicePriv {
453 VdpDeviceDestroy *device_destroy;
454 Display *dpy;
455 } VDPAUDevicePriv;
456
457 ✗ static void vdpau_device_free(AVHWDeviceContext *ctx)
458 {
459 ✗ AVVDPAUDeviceContext *hwctx = ctx->hwctx;
460 ✗ VDPAUDevicePriv *priv = ctx->user_opaque;
461
462 ✗ if (priv->device_destroy)
463 ✗ priv->device_destroy(hwctx->device);
464 ✗ if (priv->dpy)
465 ✗ XCloseDisplay(priv->dpy);
466 ✗ av_freep(&priv);
467 ✗ }
468
469 ✗ static int vdpau_device_create(AVHWDeviceContext *ctx, const char *device,
470 AVDictionary *opts, int flags)
471 {
472 ✗ AVVDPAUDeviceContext *hwctx = ctx->hwctx;
473
474 VDPAUDevicePriv *priv;
475 VdpStatus err;
476 VdpGetInformationString *get_information_string;
477 const char *display, *vendor;
478
479 ✗ priv = av_mallocz(sizeof(*priv));
480 ✗ if (!priv)
481 ✗ return AVERROR(ENOMEM);
482
483 ✗ ctx->user_opaque = priv;
484 ✗ ctx->free = vdpau_device_free;
485
486 ✗ priv->dpy = XOpenDisplay(device);
487 ✗ if (!priv->dpy) {
488 ✗ av_log(ctx, AV_LOG_ERROR, "Cannot open the X11 display %s.\n",
489 XDisplayName(device));
490 ✗ return AVERROR_UNKNOWN;
491 }
492 ✗ display = XDisplayString(priv->dpy);
493
494 ✗ err = vdp_device_create_x11(priv->dpy, XDefaultScreen(priv->dpy),
495 &hwctx->device, &hwctx->get_proc_address);
496 ✗ if (err != VDP_STATUS_OK) {
497 ✗ av_log(ctx, AV_LOG_ERROR, "VDPAU device creation on X11 display %s failed.\n",
498 display);
499 ✗ return AVERROR_UNKNOWN;
500 }
501
502 ✗ GET_CALLBACK(VDP_FUNC_ID_GET_INFORMATION_STRING, get_information_string);
503 ✗ GET_CALLBACK(VDP_FUNC_ID_DEVICE_DESTROY, priv->device_destroy);
504
505 ✗ get_information_string(&vendor);
506 ✗ av_log(ctx, AV_LOG_VERBOSE, "Successfully created a VDPAU device (%s) on "
507 "X11 display %s\n", vendor, display);
508
509 ✗ return 0;
510 }
511 #endif
512
513 const HWContextType ff_hwcontext_type_vdpau = {
514 .type = AV_HWDEVICE_TYPE_VDPAU,
515 .name = "VDPAU",
516
517 .device_hwctx_size = sizeof(VDPAUDeviceContext),
518 .frames_hwctx_size = sizeof(VDPAUFramesContext),
519
520 #if HAVE_VDPAU_X11
521 .device_create = vdpau_device_create,
522 #endif
523 .device_init = vdpau_device_init,
524 .device_uninit = vdpau_device_uninit,
525 .frames_get_constraints = vdpau_frames_get_constraints,
526 .frames_init = vdpau_frames_init,
527 .frames_get_buffer = vdpau_get_buffer,
528 .transfer_get_formats = vdpau_transfer_get_formats,
529 .transfer_data_to = vdpau_transfer_data_to,
530 .transfer_data_from = vdpau_transfer_data_from,
531
532 .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VDPAU, AV_PIX_FMT_NONE },
533 };
534