vaapi: Implement device-only setup
[libav.git] / libavcodec / vaapi_decode.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; 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/avassert.h"
20 #include "libavutil/common.h"
21 #include "libavutil/pixdesc.h"
22
23 #include "avcodec.h"
24 #include "internal.h"
25 #include "vaapi_decode.h"
26
27
28 int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx,
29 VAAPIDecodePicture *pic,
30 int type,
31 const void *data,
32 size_t size)
33 {
34 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
35 VAStatus vas;
36 VABufferID buffer;
37
38 av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS);
39
40 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
41 type, size, 1, (void*)data, &buffer);
42 if (vas != VA_STATUS_SUCCESS) {
43 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter "
44 "buffer (type %d): %d (%s).\n",
45 type, vas, vaErrorStr(vas));
46 return AVERROR(EIO);
47 }
48
49 pic->param_buffers[pic->nb_param_buffers++] = buffer;
50
51 av_log(avctx, AV_LOG_DEBUG, "Param buffer (type %d, %zu bytes) "
52 "is %#x.\n", type, size, buffer);
53 return 0;
54 }
55
56
57 int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx,
58 VAAPIDecodePicture *pic,
59 const void *params_data,
60 size_t params_size,
61 const void *slice_data,
62 size_t slice_size)
63 {
64 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
65 VAStatus vas;
66 int index;
67
68 av_assert0(pic->nb_slices <= pic->slices_allocated);
69 if (pic->nb_slices == pic->slices_allocated) {
70 if (pic->slices_allocated > 0)
71 pic->slices_allocated *= 2;
72 else
73 pic->slices_allocated = 64;
74
75 pic->slice_buffers =
76 av_realloc_array(pic->slice_buffers,
77 pic->slices_allocated,
78 2 * sizeof(*pic->slice_buffers));
79 if (!pic->slice_buffers)
80 return AVERROR(ENOMEM);
81 }
82 av_assert0(pic->nb_slices + 1 <= pic->slices_allocated);
83
84 index = 2 * pic->nb_slices;
85
86 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
87 VASliceParameterBufferType,
88 params_size, 1, (void*)params_data,
89 &pic->slice_buffers[index]);
90 if (vas != VA_STATUS_SUCCESS) {
91 av_log(avctx, AV_LOG_ERROR, "Failed to create slice "
92 "parameter buffer: %d (%s).\n", vas, vaErrorStr(vas));
93 return AVERROR(EIO);
94 }
95
96 av_log(avctx, AV_LOG_DEBUG, "Slice %d param buffer (%zu bytes) "
97 "is %#x.\n", pic->nb_slices, params_size,
98 pic->slice_buffers[index]);
99
100 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
101 VASliceDataBufferType,
102 slice_size, 1, (void*)slice_data,
103 &pic->slice_buffers[index + 1]);
104 if (vas != VA_STATUS_SUCCESS) {
105 av_log(avctx, AV_LOG_ERROR, "Failed to create slice "
106 "data buffer (size %zu): %d (%s).\n",
107 slice_size, vas, vaErrorStr(vas));
108 vaDestroyBuffer(ctx->hwctx->display,
109 pic->slice_buffers[index]);
110 return AVERROR(EIO);
111 }
112
113 av_log(avctx, AV_LOG_DEBUG, "Slice %d data buffer (%zu bytes) "
114 "is %#x.\n", pic->nb_slices, slice_size,
115 pic->slice_buffers[index + 1]);
116
117 ++pic->nb_slices;
118 return 0;
119 }
120
121 static void ff_vaapi_decode_destroy_buffers(AVCodecContext *avctx,
122 VAAPIDecodePicture *pic)
123 {
124 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
125 VAStatus vas;
126 int i;
127
128 for (i = 0; i < pic->nb_param_buffers; i++) {
129 vas = vaDestroyBuffer(ctx->hwctx->display,
130 pic->param_buffers[i]);
131 if (vas != VA_STATUS_SUCCESS) {
132 av_log(avctx, AV_LOG_ERROR, "Failed to destroy "
133 "parameter buffer %#x: %d (%s).\n",
134 pic->param_buffers[i], vas, vaErrorStr(vas));
135 }
136 }
137
138 for (i = 0; i < 2 * pic->nb_slices; i++) {
139 vas = vaDestroyBuffer(ctx->hwctx->display,
140 pic->slice_buffers[i]);
141 if (vas != VA_STATUS_SUCCESS) {
142 av_log(avctx, AV_LOG_ERROR, "Failed to destroy slice "
143 "slice buffer %#x: %d (%s).\n",
144 pic->slice_buffers[i], vas, vaErrorStr(vas));
145 }
146 }
147 }
148
149 int ff_vaapi_decode_issue(AVCodecContext *avctx,
150 VAAPIDecodePicture *pic)
151 {
152 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
153 VAStatus vas;
154 int err;
155
156 av_log(avctx, AV_LOG_DEBUG, "Decode to surface %#x.\n",
157 pic->output_surface);
158
159 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
160 pic->output_surface);
161 if (vas != VA_STATUS_SUCCESS) {
162 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture decode "
163 "issue: %d (%s).\n", vas, vaErrorStr(vas));
164 err = AVERROR(EIO);
165 goto fail_with_picture;
166 }
167
168 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
169 pic->param_buffers, pic->nb_param_buffers);
170 if (vas != VA_STATUS_SUCCESS) {
171 av_log(avctx, AV_LOG_ERROR, "Failed to upload decode "
172 "parameters: %d (%s).\n", vas, vaErrorStr(vas));
173 err = AVERROR(EIO);
174 goto fail_with_picture;
175 }
176
177 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
178 pic->slice_buffers, 2 * pic->nb_slices);
179 if (vas != VA_STATUS_SUCCESS) {
180 av_log(avctx, AV_LOG_ERROR, "Failed to upload slices: "
181 "%d (%s).\n", vas, vaErrorStr(vas));
182 err = AVERROR(EIO);
183 goto fail_with_picture;
184 }
185
186 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
187 if (vas != VA_STATUS_SUCCESS) {
188 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
189 "issue: %d (%s).\n", vas, vaErrorStr(vas));
190 err = AVERROR(EIO);
191 if (ctx->hwctx->driver_quirks &
192 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
193 goto fail;
194 else
195 goto fail_at_end;
196 }
197
198 if (ctx->hwctx->driver_quirks &
199 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
200 ff_vaapi_decode_destroy_buffers(avctx, pic);
201
202 pic->nb_param_buffers = 0;
203 pic->nb_slices = 0;
204 pic->slices_allocated = 0;
205 av_freep(&pic->slice_buffers);
206
207 return 0;
208
209 fail_with_picture:
210 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
211 if (vas != VA_STATUS_SUCCESS) {
212 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
213 "after error: %d (%s).\n", vas, vaErrorStr(vas));
214 }
215 fail:
216 ff_vaapi_decode_destroy_buffers(avctx, pic);
217 fail_at_end:
218 return err;
219 }
220
221 int ff_vaapi_decode_cancel(AVCodecContext *avctx,
222 VAAPIDecodePicture *pic)
223 {
224 ff_vaapi_decode_destroy_buffers(avctx, pic);
225
226 pic->nb_param_buffers = 0;
227 pic->nb_slices = 0;
228 pic->slices_allocated = 0;
229 av_freep(&pic->slice_buffers);
230
231 return 0;
232 }
233
234 static const struct {
235 enum AVCodecID codec_id;
236 int codec_profile;
237 VAProfile va_profile;
238 } vaapi_profile_map[] = {
239 #define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, VAProfile ## v }
240 MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2Simple ),
241 MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2Main ),
242 MAP(H263, UNKNOWN, H263Baseline),
243 MAP(MPEG4, MPEG4_SIMPLE, MPEG4Simple ),
244 MAP(MPEG4, MPEG4_ADVANCED_SIMPLE,
245 MPEG4AdvancedSimple),
246 MAP(MPEG4, MPEG4_MAIN, MPEG4Main ),
247 MAP(H264, H264_CONSTRAINED_BASELINE,
248 H264ConstrainedBaseline),
249 MAP(H264, H264_BASELINE, H264Baseline),
250 MAP(H264, H264_MAIN, H264Main ),
251 MAP(H264, H264_HIGH, H264High ),
252 #if VA_CHECK_VERSION(0, 37, 0)
253 MAP(HEVC, HEVC_MAIN, HEVCMain ),
254 MAP(HEVC, HEVC_MAIN_10, HEVCMain10 ),
255 #endif
256 MAP(WMV3, VC1_SIMPLE, VC1Simple ),
257 MAP(WMV3, VC1_MAIN, VC1Main ),
258 MAP(WMV3, VC1_COMPLEX, VC1Advanced ),
259 MAP(WMV3, VC1_ADVANCED, VC1Advanced ),
260 MAP(VC1, VC1_SIMPLE, VC1Simple ),
261 MAP(VC1, VC1_MAIN, VC1Main ),
262 MAP(VC1, VC1_COMPLEX, VC1Advanced ),
263 MAP(VC1, VC1_ADVANCED, VC1Advanced ),
264 #if VA_CHECK_VERSION(0, 35, 0)
265 MAP(VP8, UNKNOWN, VP8Version0_3 ),
266 #endif
267 #if VA_CHECK_VERSION(0, 38, 0)
268 MAP(VP9, VP9_0, VP9Profile0 ),
269 #endif
270 #undef MAP
271 };
272
273 static int vaapi_decode_make_config(AVCodecContext *avctx)
274 {
275 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
276
277 AVVAAPIHWConfig *hwconfig = NULL;
278 AVHWFramesConstraints *constraints = NULL;
279 VAStatus vas;
280 int err, i, j;
281 const AVCodecDescriptor *codec_desc;
282 VAProfile profile, *profile_list = NULL;
283 int profile_count, exact_match, alt_profile;
284 const AVPixFmtDescriptor *sw_desc, *desc;
285
286 // Allowing a profile mismatch can be useful because streams may
287 // over-declare their required capabilities - in particular, many
288 // H.264 baseline profile streams (notably some of those in FATE)
289 // only use the feature set of constrained baseline. This flag
290 // would have to be be set by some external means in order to
291 // actually be useful. (AV_HWACCEL_FLAG_IGNORE_PROFILE?)
292 int allow_profile_mismatch = 0;
293
294 codec_desc = avcodec_descriptor_get(avctx->codec_id);
295 if (!codec_desc) {
296 err = AVERROR(EINVAL);
297 goto fail;
298 }
299
300 profile_count = vaMaxNumProfiles(ctx->hwctx->display);
301 profile_list = av_malloc_array(profile_count,
302 sizeof(VAProfile));
303 if (!profile_list) {
304 err = AVERROR(ENOMEM);
305 goto fail;
306 }
307
308 vas = vaQueryConfigProfiles(ctx->hwctx->display,
309 profile_list, &profile_count);
310 if (vas != VA_STATUS_SUCCESS) {
311 av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: "
312 "%d (%s).\n", vas, vaErrorStr(vas));
313 err = AVERROR(ENOSYS);
314 goto fail;
315 }
316
317 profile = VAProfileNone;
318 exact_match = 0;
319
320 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_profile_map); i++) {
321 int profile_match = 0;
322 if (avctx->codec_id != vaapi_profile_map[i].codec_id)
323 continue;
324 if (avctx->profile == vaapi_profile_map[i].codec_profile ||
325 vaapi_profile_map[i].codec_profile == FF_PROFILE_UNKNOWN)
326 profile_match = 1;
327 profile = vaapi_profile_map[i].va_profile;
328 for (j = 0; j < profile_count; j++) {
329 if (profile == profile_list[j]) {
330 exact_match = profile_match;
331 break;
332 }
333 }
334 if (j < profile_count) {
335 if (exact_match)
336 break;
337 alt_profile = vaapi_profile_map[i].codec_profile;
338 }
339 }
340 av_freep(&profile_list);
341
342 if (profile == VAProfileNone) {
343 av_log(avctx, AV_LOG_ERROR, "No support for codec %s "
344 "profile %d.\n", codec_desc->name, avctx->profile);
345 err = AVERROR(ENOSYS);
346 goto fail;
347 }
348 if (!exact_match) {
349 if (allow_profile_mismatch) {
350 av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not "
351 "supported for hardware decode.\n",
352 codec_desc->name, avctx->profile);
353 av_log(avctx, AV_LOG_WARNING, "Using possibly-"
354 "incompatible profile %d instead.\n",
355 alt_profile);
356 } else {
357 av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not "
358 "supported for hardware decode.\n",
359 codec_desc->name, avctx->profile);
360 err = AVERROR(EINVAL);
361 goto fail;
362 }
363 }
364
365 ctx->va_profile = profile;
366 ctx->va_entrypoint = VAEntrypointVLD;
367
368 vas = vaCreateConfig(ctx->hwctx->display, ctx->va_profile,
369 ctx->va_entrypoint, NULL, 0,
370 &ctx->va_config);
371 if (vas != VA_STATUS_SUCCESS) {
372 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
373 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
374 err = AVERROR(EIO);
375 goto fail;
376 }
377
378 hwconfig = av_hwdevice_hwconfig_alloc(avctx->hw_device_ctx ?
379 avctx->hw_device_ctx :
380 ctx->frames->device_ref);
381 if (!hwconfig) {
382 err = AVERROR(ENOMEM);
383 goto fail;
384 }
385 hwconfig->config_id = ctx->va_config;
386
387 constraints =
388 av_hwdevice_get_hwframe_constraints(avctx->hw_device_ctx ?
389 avctx->hw_device_ctx :
390 ctx->frames->device_ref,
391 hwconfig);
392 if (!constraints) {
393 err = AVERROR(ENOMEM);
394 goto fail;
395 }
396
397 if (avctx->coded_width < constraints->min_width ||
398 avctx->coded_height < constraints->min_height ||
399 avctx->coded_width > constraints->max_width ||
400 avctx->coded_height > constraints->max_height) {
401 av_log(avctx, AV_LOG_ERROR, "Hardware does not support image "
402 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
403 avctx->coded_width, avctx->coded_height,
404 constraints->min_width, constraints->max_width,
405 constraints->min_height, constraints->max_height);
406 err = AVERROR(EINVAL);
407 goto fail;
408 }
409 if (!constraints->valid_sw_formats ||
410 constraints->valid_sw_formats[0] == AV_PIX_FMT_NONE) {
411 av_log(avctx, AV_LOG_ERROR, "Hardware does not offer any "
412 "usable surface formats.\n");
413 err = AVERROR(EINVAL);
414 goto fail;
415 }
416
417 // Find the first format in the list which matches the expected
418 // bit depth and subsampling. If none are found (this can happen
419 // when 10-bit streams are decoded to 8-bit surfaces, for example)
420 // then just take the first format on the list.
421 ctx->surface_format = constraints->valid_sw_formats[0];
422 sw_desc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
423 for (i = 0; constraints->valid_sw_formats[i] != AV_PIX_FMT_NONE; i++) {
424 desc = av_pix_fmt_desc_get(constraints->valid_sw_formats[i]);
425 if (desc->nb_components != sw_desc->nb_components ||
426 desc->log2_chroma_w != sw_desc->log2_chroma_w ||
427 desc->log2_chroma_h != sw_desc->log2_chroma_h)
428 continue;
429 for (j = 0; j < desc->nb_components; j++) {
430 if (desc->comp[j].depth != sw_desc->comp[j].depth)
431 break;
432 }
433 if (j < desc->nb_components)
434 continue;
435 ctx->surface_format = constraints->valid_sw_formats[i];
436 break;
437 }
438
439 // Start with at least four surfaces.
440 ctx->surface_count = 4;
441 // Add per-codec number of surfaces used for storing reference frames.
442 switch (avctx->codec_id) {
443 case AV_CODEC_ID_H264:
444 case AV_CODEC_ID_HEVC:
445 ctx->surface_count += 16;
446 break;
447 case AV_CODEC_ID_VP9:
448 ctx->surface_count += 8;
449 break;
450 case AV_CODEC_ID_VP8:
451 ctx->surface_count += 3;
452 break;
453 default:
454 ctx->surface_count += 2;
455 }
456 // Add an additional surface per thread is frame threading is enabled.
457 if (avctx->active_thread_type & FF_THREAD_FRAME)
458 ctx->surface_count += avctx->thread_count;
459
460 av_hwframe_constraints_free(&constraints);
461 av_freep(&hwconfig);
462
463 return 0;
464
465 fail:
466 av_hwframe_constraints_free(&constraints);
467 av_freep(&hwconfig);
468 if (ctx->va_config != VA_INVALID_ID) {
469 vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
470 ctx->va_config = VA_INVALID_ID;
471 }
472 av_freep(&profile_list);
473 return err;
474 }
475
476 int ff_vaapi_decode_init(AVCodecContext *avctx)
477 {
478 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
479 VAStatus vas;
480 int err;
481
482 ctx->va_config = VA_INVALID_ID;
483 ctx->va_context = VA_INVALID_ID;
484
485 #if FF_API_VAAPI_CONTEXT
486 if (avctx->hwaccel_context) {
487 av_log(avctx, AV_LOG_WARNING, "Using deprecated struct "
488 "vaapi_context in decode.\n");
489
490 ctx->have_old_context = 1;
491 ctx->old_context = avctx->hwaccel_context;
492
493 // Really we only want the VAAPI device context, but this
494 // allocates a whole generic device context because we don't
495 // have any other way to determine how big it should be.
496 ctx->device_ref =
497 av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VAAPI);
498 if (!ctx->device_ref) {
499 err = AVERROR(ENOMEM);
500 goto fail;
501 }
502 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
503 ctx->hwctx = ctx->device->hwctx;
504
505 ctx->hwctx->display = ctx->old_context->display;
506
507 // The old VAAPI decode setup assumed this quirk was always
508 // present, so set it here to avoid the behaviour changing.
509 ctx->hwctx->driver_quirks =
510 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS;
511
512 } else
513 #endif
514 if (avctx->hw_frames_ctx) {
515 // This structure has a shorter lifetime than the enclosing
516 // AVCodecContext, so we inherit the references from there
517 // and do not need to make separate ones.
518
519 ctx->frames = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
520 ctx->hwfc = ctx->frames->hwctx;
521 ctx->device = ctx->frames->device_ctx;
522 ctx->hwctx = ctx->device->hwctx;
523
524 } else if (avctx->hw_device_ctx) {
525 ctx->device = (AVHWDeviceContext*)avctx->hw_device_ctx->data;
526 ctx->hwctx = ctx->device->hwctx;
527
528 if (ctx->device->type != AV_HWDEVICE_TYPE_VAAPI) {
529 av_log(avctx, AV_LOG_ERROR, "Device supplied for VAAPI "
530 "decoding must be a VAAPI device (not %d).\n",
531 ctx->device->type);
532 err = AVERROR(EINVAL);
533 goto fail;
534 }
535
536 } else {
537 av_log(avctx, AV_LOG_ERROR, "A hardware device or frames context "
538 "is required for VAAPI decoding.\n");
539 err = AVERROR(EINVAL);
540 goto fail;
541 }
542
543 #if FF_API_VAAPI_CONTEXT
544 if (ctx->have_old_context) {
545 ctx->va_config = ctx->old_context->config_id;
546 ctx->va_context = ctx->old_context->context_id;
547
548 av_log(avctx, AV_LOG_DEBUG, "Using user-supplied decoder "
549 "context: %#x/%#x.\n", ctx->va_config, ctx->va_context);
550 } else {
551 #endif
552
553 err = vaapi_decode_make_config(avctx);
554 if (err)
555 goto fail;
556
557 if (!avctx->hw_frames_ctx) {
558 avctx->hw_frames_ctx = av_hwframe_ctx_alloc(avctx->hw_device_ctx);
559 if (!avctx->hw_frames_ctx) {
560 err = AVERROR(ENOMEM);
561 goto fail;
562 }
563 ctx->frames = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
564
565 ctx->frames->format = AV_PIX_FMT_VAAPI;
566 ctx->frames->width = avctx->coded_width;
567 ctx->frames->height = avctx->coded_height;
568
569 ctx->frames->sw_format = ctx->surface_format;
570 ctx->frames->initial_pool_size = ctx->surface_count;
571
572 err = av_hwframe_ctx_init(avctx->hw_frames_ctx);
573 if (err < 0) {
574 av_log(avctx, AV_LOG_ERROR, "Failed to initialise internal "
575 "frames context: %d.\n", err);
576 goto fail;
577 }
578
579 ctx->hwfc = ctx->frames->hwctx;
580 }
581
582 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
583 avctx->coded_width, avctx->coded_height,
584 VA_PROGRESSIVE,
585 ctx->hwfc->surface_ids,
586 ctx->hwfc->nb_surfaces,
587 &ctx->va_context);
588 if (vas != VA_STATUS_SUCCESS) {
589 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
590 "context: %d (%s).\n", vas, vaErrorStr(vas));
591 err = AVERROR(EIO);
592 goto fail;
593 }
594
595 av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: "
596 "%#x/%#x.\n", ctx->va_config, ctx->va_context);
597 #if FF_API_VAAPI_CONTEXT
598 }
599 #endif
600
601 return 0;
602
603 fail:
604 ff_vaapi_decode_uninit(avctx);
605 return err;
606 }
607
608 int ff_vaapi_decode_uninit(AVCodecContext *avctx)
609 {
610 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
611 VAStatus vas;
612
613 #if FF_API_VAAPI_CONTEXT
614 if (ctx->have_old_context) {
615 av_buffer_unref(&ctx->device_ref);
616 } else {
617 #endif
618
619 if (ctx->va_context != VA_INVALID_ID) {
620 vas = vaDestroyContext(ctx->hwctx->display, ctx->va_context);
621 if (vas != VA_STATUS_SUCCESS) {
622 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
623 "context %#x: %d (%s).\n",
624 ctx->va_context, vas, vaErrorStr(vas));
625 }
626 }
627 if (ctx->va_config != VA_INVALID_ID) {
628 vas = vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
629 if (vas != VA_STATUS_SUCCESS) {
630 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
631 "configuration %#x: %d (%s).\n",
632 ctx->va_config, vas, vaErrorStr(vas));
633 }
634 }
635
636 #if FF_API_VAAPI_CONTEXT
637 }
638 #endif
639
640 return 0;
641 }