FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_decode.c
Date: 2022-07-04 00:18:54
Exec Total Coverage
Lines: 0 314 0.0%
Branches: 0 138 0.0%

Line Branch Exec Source
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_components.h"
20
21 #include "libavutil/avassert.h"
22 #include "libavutil/common.h"
23 #include "libavutil/pixdesc.h"
24
25 #include "avcodec.h"
26 #include "decode.h"
27 #include "internal.h"
28 #include "vaapi_decode.h"
29 #include "vaapi_hevc.h"
30
31
32 int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx,
33 VAAPIDecodePicture *pic,
34 int type,
35 const void *data,
36 size_t size)
37 {
38 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
39 VAStatus vas;
40 VABufferID buffer;
41
42 av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS);
43
44 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
45 type, size, 1, (void*)data, &buffer);
46 if (vas != VA_STATUS_SUCCESS) {
47 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter "
48 "buffer (type %d): %d (%s).\n",
49 type, vas, vaErrorStr(vas));
50 return AVERROR(EIO);
51 }
52
53 pic->param_buffers[pic->nb_param_buffers++] = buffer;
54
55 av_log(avctx, AV_LOG_DEBUG, "Param buffer (type %d, %zu bytes) "
56 "is %#x.\n", type, size, buffer);
57 return 0;
58 }
59
60
61 int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx,
62 VAAPIDecodePicture *pic,
63 const void *params_data,
64 size_t params_size,
65 const void *slice_data,
66 size_t slice_size)
67 {
68 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
69 VAStatus vas;
70 int index;
71
72 av_assert0(pic->nb_slices <= pic->slices_allocated);
73 if (pic->nb_slices == pic->slices_allocated) {
74 if (pic->slices_allocated > 0)
75 pic->slices_allocated *= 2;
76 else
77 pic->slices_allocated = 64;
78
79 pic->slice_buffers =
80 av_realloc_array(pic->slice_buffers,
81 pic->slices_allocated,
82 2 * sizeof(*pic->slice_buffers));
83 if (!pic->slice_buffers)
84 return AVERROR(ENOMEM);
85 }
86 av_assert0(pic->nb_slices + 1 <= pic->slices_allocated);
87
88 index = 2 * pic->nb_slices;
89
90 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
91 VASliceParameterBufferType,
92 params_size, 1, (void*)params_data,
93 &pic->slice_buffers[index]);
94 if (vas != VA_STATUS_SUCCESS) {
95 av_log(avctx, AV_LOG_ERROR, "Failed to create slice "
96 "parameter buffer: %d (%s).\n", vas, vaErrorStr(vas));
97 return AVERROR(EIO);
98 }
99
100 av_log(avctx, AV_LOG_DEBUG, "Slice %d param buffer (%zu bytes) "
101 "is %#x.\n", pic->nb_slices, params_size,
102 pic->slice_buffers[index]);
103
104 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
105 VASliceDataBufferType,
106 slice_size, 1, (void*)slice_data,
107 &pic->slice_buffers[index + 1]);
108 if (vas != VA_STATUS_SUCCESS) {
109 av_log(avctx, AV_LOG_ERROR, "Failed to create slice "
110 "data buffer (size %zu): %d (%s).\n",
111 slice_size, vas, vaErrorStr(vas));
112 vaDestroyBuffer(ctx->hwctx->display,
113 pic->slice_buffers[index]);
114 return AVERROR(EIO);
115 }
116
117 av_log(avctx, AV_LOG_DEBUG, "Slice %d data buffer (%zu bytes) "
118 "is %#x.\n", pic->nb_slices, slice_size,
119 pic->slice_buffers[index + 1]);
120
121 ++pic->nb_slices;
122 return 0;
123 }
124
125 static void ff_vaapi_decode_destroy_buffers(AVCodecContext *avctx,
126 VAAPIDecodePicture *pic)
127 {
128 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
129 VAStatus vas;
130 int i;
131
132 for (i = 0; i < pic->nb_param_buffers; i++) {
133 vas = vaDestroyBuffer(ctx->hwctx->display,
134 pic->param_buffers[i]);
135 if (vas != VA_STATUS_SUCCESS) {
136 av_log(avctx, AV_LOG_ERROR, "Failed to destroy "
137 "parameter buffer %#x: %d (%s).\n",
138 pic->param_buffers[i], vas, vaErrorStr(vas));
139 }
140 }
141
142 for (i = 0; i < 2 * pic->nb_slices; i++) {
143 vas = vaDestroyBuffer(ctx->hwctx->display,
144 pic->slice_buffers[i]);
145 if (vas != VA_STATUS_SUCCESS) {
146 av_log(avctx, AV_LOG_ERROR, "Failed to destroy slice "
147 "slice buffer %#x: %d (%s).\n",
148 pic->slice_buffers[i], vas, vaErrorStr(vas));
149 }
150 }
151 }
152
153 int ff_vaapi_decode_issue(AVCodecContext *avctx,
154 VAAPIDecodePicture *pic)
155 {
156 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
157 VAStatus vas;
158 int err;
159
160 av_log(avctx, AV_LOG_DEBUG, "Decode to surface %#x.\n",
161 pic->output_surface);
162
163 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
164 pic->output_surface);
165 if (vas != VA_STATUS_SUCCESS) {
166 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture decode "
167 "issue: %d (%s).\n", vas, vaErrorStr(vas));
168 err = AVERROR(EIO);
169 goto fail_with_picture;
170 }
171
172 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
173 pic->param_buffers, pic->nb_param_buffers);
174 if (vas != VA_STATUS_SUCCESS) {
175 av_log(avctx, AV_LOG_ERROR, "Failed to upload decode "
176 "parameters: %d (%s).\n", vas, vaErrorStr(vas));
177 err = AVERROR(EIO);
178 goto fail_with_picture;
179 }
180
181 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
182 pic->slice_buffers, 2 * pic->nb_slices);
183 if (vas != VA_STATUS_SUCCESS) {
184 av_log(avctx, AV_LOG_ERROR, "Failed to upload slices: "
185 "%d (%s).\n", vas, vaErrorStr(vas));
186 err = AVERROR(EIO);
187 goto fail_with_picture;
188 }
189
190 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
191 if (vas != VA_STATUS_SUCCESS) {
192 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
193 "issue: %d (%s).\n", vas, vaErrorStr(vas));
194 err = AVERROR(EIO);
195 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
196 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
197 goto fail;
198 else
199 goto fail_at_end;
200 }
201
202 if (CONFIG_VAAPI_1 || ctx->hwctx->driver_quirks &
203 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
204 ff_vaapi_decode_destroy_buffers(avctx, pic);
205
206 err = 0;
207 goto exit;
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 exit:
219 pic->nb_param_buffers = 0;
220 pic->nb_slices = 0;
221 pic->slices_allocated = 0;
222 av_freep(&pic->slice_buffers);
223
224 return err;
225 }
226
227 int ff_vaapi_decode_cancel(AVCodecContext *avctx,
228 VAAPIDecodePicture *pic)
229 {
230 ff_vaapi_decode_destroy_buffers(avctx, pic);
231
232 pic->nb_param_buffers = 0;
233 pic->nb_slices = 0;
234 pic->slices_allocated = 0;
235 av_freep(&pic->slice_buffers);
236
237 return 0;
238 }
239
240 static const struct {
241 uint32_t fourcc;
242 enum AVPixelFormat pix_fmt;
243 } vaapi_format_map[] = {
244 #define MAP(va, av) { VA_FOURCC_ ## va, AV_PIX_FMT_ ## av }
245 // 4:0:0
246 MAP(Y800, GRAY8),
247 // 4:2:0
248 MAP(NV12, NV12),
249 MAP(YV12, YUV420P),
250 MAP(IYUV, YUV420P),
251 #ifdef VA_FOURCC_I420
252 MAP(I420, YUV420P),
253 #endif
254 MAP(IMC3, YUV420P),
255 // 4:1:1
256 MAP(411P, YUV411P),
257 // 4:2:2
258 MAP(422H, YUV422P),
259 #ifdef VA_FOURCC_YV16
260 MAP(YV16, YUV422P),
261 #endif
262 MAP(YUY2, YUYV422),
263 #ifdef VA_FOURCC_Y210
264 MAP(Y210, Y210),
265 #endif
266 // 4:4:0
267 MAP(422V, YUV440P),
268 // 4:4:4
269 MAP(444P, YUV444P),
270 // 4:2:0 10-bit
271 #ifdef VA_FOURCC_P010
272 MAP(P010, P010),
273 #endif
274 #ifdef VA_FOURCC_I010
275 MAP(I010, YUV420P10),
276 #endif
277 #undef MAP
278 };
279
280 static int vaapi_decode_find_best_format(AVCodecContext *avctx,
281 AVHWDeviceContext *device,
282 VAConfigID config_id,
283 AVHWFramesContext *frames)
284 {
285 AVVAAPIDeviceContext *hwctx = device->hwctx;
286 VAStatus vas;
287 VASurfaceAttrib *attr;
288 enum AVPixelFormat source_format, best_format, format;
289 uint32_t best_fourcc, fourcc;
290 int i, j, nb_attr;
291
292 source_format = avctx->sw_pix_fmt;
293 av_assert0(source_format != AV_PIX_FMT_NONE);
294
295 vas = vaQuerySurfaceAttributes(hwctx->display, config_id,
296 NULL, &nb_attr);
297 if (vas != VA_STATUS_SUCCESS) {
298 av_log(avctx, AV_LOG_ERROR, "Failed to query surface attributes: "
299 "%d (%s).\n", vas, vaErrorStr(vas));
300 return AVERROR(ENOSYS);
301 }
302
303 attr = av_malloc_array(nb_attr, sizeof(*attr));
304 if (!attr)
305 return AVERROR(ENOMEM);
306
307 vas = vaQuerySurfaceAttributes(hwctx->display, config_id,
308 attr, &nb_attr);
309 if (vas != VA_STATUS_SUCCESS) {
310 av_log(avctx, AV_LOG_ERROR, "Failed to query surface attributes: "
311 "%d (%s).\n", vas, vaErrorStr(vas));
312 av_freep(&attr);
313 return AVERROR(ENOSYS);
314 }
315
316 best_format = AV_PIX_FMT_NONE;
317
318 for (i = 0; i < nb_attr; i++) {
319 if (attr[i].type != VASurfaceAttribPixelFormat)
320 continue;
321
322 fourcc = attr[i].value.value.i;
323 for (j = 0; j < FF_ARRAY_ELEMS(vaapi_format_map); j++) {
324 if (fourcc == vaapi_format_map[j].fourcc)
325 break;
326 }
327 if (j >= FF_ARRAY_ELEMS(vaapi_format_map)) {
328 av_log(avctx, AV_LOG_DEBUG, "Ignoring unknown format %#x.\n",
329 fourcc);
330 continue;
331 }
332 format = vaapi_format_map[j].pix_fmt;
333 av_log(avctx, AV_LOG_DEBUG, "Considering format %#x -> %s.\n",
334 fourcc, av_get_pix_fmt_name(format));
335
336 best_format = av_find_best_pix_fmt_of_2(format, best_format,
337 source_format, 0, NULL);
338 if (format == best_format)
339 best_fourcc = fourcc;
340 }
341
342 av_freep(&attr);
343
344 if (best_format == AV_PIX_FMT_NONE) {
345 av_log(avctx, AV_LOG_ERROR, "No usable formats for decoding!\n");
346 return AVERROR(EINVAL);
347 }
348
349 av_log(avctx, AV_LOG_DEBUG, "Picked %s (%#x) as best match for %s.\n",
350 av_get_pix_fmt_name(best_format), best_fourcc,
351 av_get_pix_fmt_name(source_format));
352
353 frames->sw_format = best_format;
354 if (avctx->internal->hwaccel_priv_data) {
355 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
356 AVVAAPIFramesContext *avfc = frames->hwctx;
357
358 ctx->pixel_format_attribute = (VASurfaceAttrib) {
359 .type = VASurfaceAttribPixelFormat,
360 .value.value.i = best_fourcc,
361 };
362
363 avfc->attributes = &ctx->pixel_format_attribute;
364 avfc->nb_attributes = 1;
365 }
366
367 return 0;
368 }
369
370 static const struct {
371 enum AVCodecID codec_id;
372 int codec_profile;
373 VAProfile va_profile;
374 VAProfile (*profile_parser)(AVCodecContext *avctx);
375 } vaapi_profile_map[] = {
376 #define MAP(c, p, v, ...) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, VAProfile ## v, __VA_ARGS__ }
377 MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2Simple ),
378 MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2Main ),
379 MAP(H263, UNKNOWN, H263Baseline),
380 MAP(MPEG4, MPEG4_SIMPLE, MPEG4Simple ),
381 MAP(MPEG4, MPEG4_ADVANCED_SIMPLE,
382 MPEG4AdvancedSimple),
383 MAP(MPEG4, MPEG4_MAIN, MPEG4Main ),
384 MAP(H264, H264_CONSTRAINED_BASELINE,
385 H264ConstrainedBaseline),
386 MAP(H264, H264_MAIN, H264Main ),
387 MAP(H264, H264_HIGH, H264High ),
388 #if VA_CHECK_VERSION(0, 37, 0)
389 MAP(HEVC, HEVC_MAIN, HEVCMain ),
390 MAP(HEVC, HEVC_MAIN_10, HEVCMain10 ),
391 MAP(HEVC, HEVC_MAIN_STILL_PICTURE,
392 HEVCMain ),
393 #endif
394 #if VA_CHECK_VERSION(1, 2, 0) && CONFIG_HEVC_VAAPI_HWACCEL
395 MAP(HEVC, HEVC_REXT, None,
396 ff_vaapi_parse_hevc_rext_profile ),
397 #endif
398 MAP(MJPEG, MJPEG_HUFFMAN_BASELINE_DCT,
399 JPEGBaseline),
400 MAP(WMV3, VC1_SIMPLE, VC1Simple ),
401 MAP(WMV3, VC1_MAIN, VC1Main ),
402 MAP(WMV3, VC1_COMPLEX, VC1Advanced ),
403 MAP(WMV3, VC1_ADVANCED, VC1Advanced ),
404 MAP(VC1, VC1_SIMPLE, VC1Simple ),
405 MAP(VC1, VC1_MAIN, VC1Main ),
406 MAP(VC1, VC1_COMPLEX, VC1Advanced ),
407 MAP(VC1, VC1_ADVANCED, VC1Advanced ),
408 MAP(VP8, UNKNOWN, VP8Version0_3 ),
409 #if VA_CHECK_VERSION(0, 38, 0)
410 MAP(VP9, VP9_0, VP9Profile0 ),
411 #endif
412 #if VA_CHECK_VERSION(0, 39, 0)
413 MAP(VP9, VP9_2, VP9Profile2 ),
414 #endif
415 #if VA_CHECK_VERSION(1, 8, 0)
416 MAP(AV1, AV1_MAIN, AV1Profile0),
417 MAP(AV1, AV1_HIGH, AV1Profile1),
418 #endif
419
420 #undef MAP
421 };
422
423 /*
424 * Set *va_config and the frames_ref fields from the current codec parameters
425 * in avctx.
426 */
427 static int vaapi_decode_make_config(AVCodecContext *avctx,
428 AVBufferRef *device_ref,
429 VAConfigID *va_config,
430 AVBufferRef *frames_ref)
431 {
432 AVVAAPIHWConfig *hwconfig = NULL;
433 AVHWFramesConstraints *constraints = NULL;
434 VAStatus vas;
435 int err, i, j;
436 const AVCodecDescriptor *codec_desc;
437 VAProfile *profile_list = NULL, matched_va_profile, va_profile;
438 int profile_count, exact_match, matched_ff_profile, codec_profile;
439
440 AVHWDeviceContext *device = (AVHWDeviceContext*)device_ref->data;
441 AVVAAPIDeviceContext *hwctx = device->hwctx;
442
443 codec_desc = avcodec_descriptor_get(avctx->codec_id);
444 if (!codec_desc) {
445 err = AVERROR(EINVAL);
446 goto fail;
447 }
448
449 profile_count = vaMaxNumProfiles(hwctx->display);
450 profile_list = av_malloc_array(profile_count,
451 sizeof(VAProfile));
452 if (!profile_list) {
453 err = AVERROR(ENOMEM);
454 goto fail;
455 }
456
457 vas = vaQueryConfigProfiles(hwctx->display,
458 profile_list, &profile_count);
459 if (vas != VA_STATUS_SUCCESS) {
460 av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: "
461 "%d (%s).\n", vas, vaErrorStr(vas));
462 err = AVERROR(ENOSYS);
463 goto fail;
464 }
465
466 matched_va_profile = VAProfileNone;
467 exact_match = 0;
468
469 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_profile_map); i++) {
470 int profile_match = 0;
471 if (avctx->codec_id != vaapi_profile_map[i].codec_id)
472 continue;
473 if (avctx->profile == vaapi_profile_map[i].codec_profile ||
474 vaapi_profile_map[i].codec_profile == FF_PROFILE_UNKNOWN)
475 profile_match = 1;
476
477 va_profile = vaapi_profile_map[i].profile_parser ?
478 vaapi_profile_map[i].profile_parser(avctx) :
479 vaapi_profile_map[i].va_profile;
480 codec_profile = vaapi_profile_map[i].codec_profile;
481
482 for (j = 0; j < profile_count; j++) {
483 if (va_profile == profile_list[j]) {
484 exact_match = profile_match;
485 break;
486 }
487 }
488 if (j < profile_count) {
489 matched_va_profile = va_profile;
490 matched_ff_profile = codec_profile;
491 if (exact_match)
492 break;
493 }
494 }
495 av_freep(&profile_list);
496
497 if (matched_va_profile == VAProfileNone) {
498 av_log(avctx, AV_LOG_ERROR, "No support for codec %s "
499 "profile %d.\n", codec_desc->name, avctx->profile);
500 err = AVERROR(ENOSYS);
501 goto fail;
502 }
503 if (!exact_match) {
504 if (avctx->hwaccel_flags &
505 AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH) {
506 av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not "
507 "supported for hardware decode.\n",
508 codec_desc->name, avctx->profile);
509 av_log(avctx, AV_LOG_WARNING, "Using possibly-"
510 "incompatible profile %d instead.\n",
511 matched_ff_profile);
512 } else {
513 av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not "
514 "supported for hardware decode.\n",
515 codec_desc->name, avctx->profile);
516 err = AVERROR(EINVAL);
517 goto fail;
518 }
519 }
520
521 vas = vaCreateConfig(hwctx->display, matched_va_profile,
522 VAEntrypointVLD, NULL, 0,
523 va_config);
524 if (vas != VA_STATUS_SUCCESS) {
525 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
526 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
527 err = AVERROR(EIO);
528 goto fail;
529 }
530
531 hwconfig = av_hwdevice_hwconfig_alloc(device_ref);
532 if (!hwconfig) {
533 err = AVERROR(ENOMEM);
534 goto fail;
535 }
536 hwconfig->config_id = *va_config;
537
538 constraints =
539 av_hwdevice_get_hwframe_constraints(device_ref, hwconfig);
540 if (!constraints) {
541 err = AVERROR(ENOMEM);
542 goto fail;
543 }
544
545 if (avctx->coded_width < constraints->min_width ||
546 avctx->coded_height < constraints->min_height ||
547 avctx->coded_width > constraints->max_width ||
548 avctx->coded_height > constraints->max_height) {
549 av_log(avctx, AV_LOG_ERROR, "Hardware does not support image "
550 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
551 avctx->coded_width, avctx->coded_height,
552 constraints->min_width, constraints->max_width,
553 constraints->min_height, constraints->max_height);
554 err = AVERROR(EINVAL);
555 goto fail;
556 }
557 if (!constraints->valid_sw_formats ||
558 constraints->valid_sw_formats[0] == AV_PIX_FMT_NONE) {
559 av_log(avctx, AV_LOG_ERROR, "Hardware does not offer any "
560 "usable surface formats.\n");
561 err = AVERROR(EINVAL);
562 goto fail;
563 }
564
565 if (frames_ref) {
566 AVHWFramesContext *frames = (AVHWFramesContext *)frames_ref->data;
567
568 frames->format = AV_PIX_FMT_VAAPI;
569 frames->width = avctx->coded_width;
570 frames->height = avctx->coded_height;
571
572 err = vaapi_decode_find_best_format(avctx, device,
573 *va_config, frames);
574 if (err < 0)
575 goto fail;
576
577 frames->initial_pool_size = 1;
578 // Add per-codec number of surfaces used for storing reference frames.
579 switch (avctx->codec_id) {
580 case AV_CODEC_ID_H264:
581 case AV_CODEC_ID_HEVC:
582 case AV_CODEC_ID_AV1:
583 frames->initial_pool_size += 16;
584 break;
585 case AV_CODEC_ID_VP9:
586 frames->initial_pool_size += 8;
587 break;
588 case AV_CODEC_ID_VP8:
589 frames->initial_pool_size += 3;
590 break;
591 default:
592 frames->initial_pool_size += 2;
593 }
594 }
595
596 av_hwframe_constraints_free(&constraints);
597 av_freep(&hwconfig);
598
599 return 0;
600
601 fail:
602 av_hwframe_constraints_free(&constraints);
603 av_freep(&hwconfig);
604 if (*va_config != VA_INVALID_ID) {
605 vaDestroyConfig(hwctx->display, *va_config);
606 *va_config = VA_INVALID_ID;
607 }
608 av_freep(&profile_list);
609 return err;
610 }
611
612 int ff_vaapi_common_frame_params(AVCodecContext *avctx,
613 AVBufferRef *hw_frames_ctx)
614 {
615 AVHWFramesContext *hw_frames = (AVHWFramesContext *)hw_frames_ctx->data;
616 AVHWDeviceContext *device_ctx = hw_frames->device_ctx;
617 AVVAAPIDeviceContext *hwctx;
618 VAConfigID va_config = VA_INVALID_ID;
619 int err;
620
621 if (device_ctx->type != AV_HWDEVICE_TYPE_VAAPI)
622 return AVERROR(EINVAL);
623 hwctx = device_ctx->hwctx;
624
625 err = vaapi_decode_make_config(avctx, hw_frames->device_ref, &va_config,
626 hw_frames_ctx);
627 if (err)
628 return err;
629
630 if (va_config != VA_INVALID_ID)
631 vaDestroyConfig(hwctx->display, va_config);
632
633 return 0;
634 }
635
636 int ff_vaapi_decode_init(AVCodecContext *avctx)
637 {
638 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
639 VAStatus vas;
640 int err;
641
642 ctx->va_config = VA_INVALID_ID;
643 ctx->va_context = VA_INVALID_ID;
644
645 err = ff_decode_get_hw_frames_ctx(avctx, AV_HWDEVICE_TYPE_VAAPI);
646 if (err < 0)
647 goto fail;
648
649 ctx->frames = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
650 ctx->hwfc = ctx->frames->hwctx;
651 ctx->device = ctx->frames->device_ctx;
652 ctx->hwctx = ctx->device->hwctx;
653
654 err = vaapi_decode_make_config(avctx, ctx->frames->device_ref,
655 &ctx->va_config, NULL);
656 if (err)
657 goto fail;
658
659 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
660 avctx->coded_width, avctx->coded_height,
661 VA_PROGRESSIVE,
662 ctx->hwfc->surface_ids,
663 ctx->hwfc->nb_surfaces,
664 &ctx->va_context);
665 if (vas != VA_STATUS_SUCCESS) {
666 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
667 "context: %d (%s).\n", vas, vaErrorStr(vas));
668 err = AVERROR(EIO);
669 goto fail;
670 }
671
672 av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: "
673 "%#x/%#x.\n", ctx->va_config, ctx->va_context);
674
675 return 0;
676
677 fail:
678 ff_vaapi_decode_uninit(avctx);
679 return err;
680 }
681
682 int ff_vaapi_decode_uninit(AVCodecContext *avctx)
683 {
684 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
685 VAStatus vas;
686
687 if (ctx->va_context != VA_INVALID_ID) {
688 vas = vaDestroyContext(ctx->hwctx->display, ctx->va_context);
689 if (vas != VA_STATUS_SUCCESS) {
690 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
691 "context %#x: %d (%s).\n",
692 ctx->va_context, vas, vaErrorStr(vas));
693 }
694 }
695 if (ctx->va_config != VA_INVALID_ID) {
696 vas = vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
697 if (vas != VA_STATUS_SUCCESS) {
698 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
699 "configuration %#x: %d (%s).\n",
700 ctx->va_config, vas, vaErrorStr(vas));
701 }
702 }
703
704 return 0;
705 }
706