vaapi_decode: Clear parameter buffers to fix picture reuse
[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
22 #include "avcodec.h"
23 #include "internal.h"
24 #include "vaapi_decode.h"
25
26
27 int ff_vaapi_decode_make_param_buffer(AVCodecContext *avctx,
28 VAAPIDecodePicture *pic,
29 int type,
30 const void *data,
31 size_t size)
32 {
33 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
34 VAStatus vas;
35 VABufferID buffer;
36
37 av_assert0(pic->nb_param_buffers + 1 <= MAX_PARAM_BUFFERS);
38
39 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
40 type, size, 1, (void*)data, &buffer);
41 if (vas != VA_STATUS_SUCCESS) {
42 av_log(avctx, AV_LOG_ERROR, "Failed to create parameter "
43 "buffer (type %d): %d (%s).\n",
44 type, vas, vaErrorStr(vas));
45 return AVERROR(EIO);
46 }
47
48 pic->param_buffers[pic->nb_param_buffers++] = buffer;
49
50 av_log(avctx, AV_LOG_DEBUG, "Param buffer (type %d, %zu bytes) "
51 "is %#x.\n", type, size, buffer);
52 return 0;
53 }
54
55
56 int ff_vaapi_decode_make_slice_buffer(AVCodecContext *avctx,
57 VAAPIDecodePicture *pic,
58 const void *params_data,
59 size_t params_size,
60 const void *slice_data,
61 size_t slice_size)
62 {
63 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
64 VAStatus vas;
65 int index;
66
67 av_assert0(pic->nb_slices <= pic->slices_allocated);
68 if (pic->nb_slices == pic->slices_allocated) {
69 if (pic->slices_allocated > 0)
70 pic->slices_allocated *= 2;
71 else
72 pic->slices_allocated = 64;
73
74 pic->slice_buffers =
75 av_realloc_array(pic->slice_buffers,
76 pic->slices_allocated,
77 2 * sizeof(*pic->slice_buffers));
78 if (!pic->slice_buffers)
79 return AVERROR(ENOMEM);
80 }
81 av_assert0(pic->nb_slices + 1 <= pic->slices_allocated);
82
83 index = 2 * pic->nb_slices;
84
85 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
86 VASliceParameterBufferType,
87 params_size, 1, (void*)params_data,
88 &pic->slice_buffers[index]);
89 if (vas != VA_STATUS_SUCCESS) {
90 av_log(avctx, AV_LOG_ERROR, "Failed to create slice "
91 "parameter buffer: %d (%s).\n", vas, vaErrorStr(vas));
92 return AVERROR(EIO);
93 }
94
95 av_log(avctx, AV_LOG_DEBUG, "Slice %d param buffer (%zu bytes) "
96 "is %#x.\n", pic->nb_slices, params_size,
97 pic->slice_buffers[index]);
98
99 vas = vaCreateBuffer(ctx->hwctx->display, ctx->va_context,
100 VASliceDataBufferType,
101 slice_size, 1, (void*)slice_data,
102 &pic->slice_buffers[index + 1]);
103 if (vas != VA_STATUS_SUCCESS) {
104 av_log(avctx, AV_LOG_ERROR, "Failed to create slice "
105 "data buffer (size %zu): %d (%s).\n",
106 slice_size, vas, vaErrorStr(vas));
107 vaDestroyBuffer(ctx->hwctx->display,
108 pic->slice_buffers[index]);
109 return AVERROR(EIO);
110 }
111
112 av_log(avctx, AV_LOG_DEBUG, "Slice %d data buffer (%zu bytes) "
113 "is %#x.\n", pic->nb_slices, slice_size,
114 pic->slice_buffers[index + 1]);
115
116 ++pic->nb_slices;
117 return 0;
118 }
119
120 static void ff_vaapi_decode_destroy_buffers(AVCodecContext *avctx,
121 VAAPIDecodePicture *pic)
122 {
123 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
124 VAStatus vas;
125 int i;
126
127 for (i = 0; i < pic->nb_param_buffers; i++) {
128 vas = vaDestroyBuffer(ctx->hwctx->display,
129 pic->param_buffers[i]);
130 if (vas != VA_STATUS_SUCCESS) {
131 av_log(avctx, AV_LOG_ERROR, "Failed to destroy "
132 "parameter buffer %#x: %d (%s).\n",
133 pic->param_buffers[i], vas, vaErrorStr(vas));
134 }
135 }
136
137 for (i = 0; i < 2 * pic->nb_slices; i++) {
138 vas = vaDestroyBuffer(ctx->hwctx->display,
139 pic->slice_buffers[i]);
140 if (vas != VA_STATUS_SUCCESS) {
141 av_log(avctx, AV_LOG_ERROR, "Failed to destroy slice "
142 "slice buffer %#x: %d (%s).\n",
143 pic->slice_buffers[i], vas, vaErrorStr(vas));
144 }
145 }
146 }
147
148 int ff_vaapi_decode_issue(AVCodecContext *avctx,
149 VAAPIDecodePicture *pic)
150 {
151 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
152 VAStatus vas;
153 int err, i;
154
155 av_log(avctx, AV_LOG_DEBUG, "Decode to surface %#x.\n",
156 pic->output_surface);
157
158 for (i = 0; i < pic->nb_param_buffers; i++)
159 vaUnmapBuffer(ctx->hwctx->display, pic->param_buffers[i]);
160
161 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
162 pic->output_surface);
163 if (vas != VA_STATUS_SUCCESS) {
164 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture decode "
165 "issue: %d (%s).\n", vas, vaErrorStr(vas));
166 err = AVERROR(EIO);
167 goto fail_with_picture;
168 }
169
170 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
171 pic->param_buffers, pic->nb_param_buffers);
172 if (vas != VA_STATUS_SUCCESS) {
173 av_log(avctx, AV_LOG_ERROR, "Failed to upload decode "
174 "parameters: %d (%s).\n", vas, vaErrorStr(vas));
175 err = AVERROR(EIO);
176 goto fail_with_picture;
177 }
178
179 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
180 pic->slice_buffers, 2 * pic->nb_slices);
181 if (vas != VA_STATUS_SUCCESS) {
182 av_log(avctx, AV_LOG_ERROR, "Failed to upload slices: "
183 "%d (%s).\n", vas, vaErrorStr(vas));
184 err = AVERROR(EIO);
185 goto fail_with_picture;
186 }
187
188 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
189 if (vas != VA_STATUS_SUCCESS) {
190 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
191 "issue: %d (%s).\n", vas, vaErrorStr(vas));
192 err = AVERROR(EIO);
193 if (ctx->hwctx->driver_quirks &
194 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
195 goto fail;
196 else
197 goto fail_at_end;
198 }
199
200 if (ctx->hwctx->driver_quirks &
201 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
202 ff_vaapi_decode_destroy_buffers(avctx, pic);
203
204 pic->nb_param_buffers = 0;
205 pic->nb_slices = 0;
206 pic->slices_allocated = 0;
207 av_freep(&pic->slice_buffers);
208
209 return 0;
210
211 fail_with_picture:
212 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
213 if (vas != VA_STATUS_SUCCESS) {
214 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
215 "after error: %d (%s).\n", vas, vaErrorStr(vas));
216 }
217 fail:
218 ff_vaapi_decode_destroy_buffers(avctx, pic);
219 fail_at_end:
220 return err;
221 }
222
223 int ff_vaapi_decode_cancel(AVCodecContext *avctx,
224 VAAPIDecodePicture *pic)
225 {
226 ff_vaapi_decode_destroy_buffers(avctx, pic);
227
228 pic->nb_param_buffers = 0;
229 pic->nb_slices = 0;
230 pic->slices_allocated = 0;
231 av_freep(&pic->slice_buffers);
232
233 return 0;
234 }
235
236 static const struct {
237 enum AVCodecID codec_id;
238 int codec_profile;
239 VAProfile va_profile;
240 } vaapi_profile_map[] = {
241 #define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, VAProfile ## v }
242 MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2Simple ),
243 MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2Main ),
244 MAP(H263, UNKNOWN, H263Baseline),
245 MAP(MPEG4, MPEG4_SIMPLE, MPEG4Simple ),
246 MAP(MPEG4, MPEG4_ADVANCED_SIMPLE,
247 MPEG4AdvancedSimple),
248 MAP(MPEG4, MPEG4_MAIN, MPEG4Main ),
249 MAP(H264, H264_CONSTRAINED_BASELINE,
250 H264ConstrainedBaseline),
251 MAP(H264, H264_BASELINE, H264Baseline),
252 MAP(H264, H264_MAIN, H264Main ),
253 MAP(H264, H264_HIGH, H264High ),
254 #if VA_CHECK_VERSION(0, 37, 0)
255 MAP(HEVC, HEVC_MAIN, HEVCMain ),
256 #endif
257 MAP(WMV3, VC1_SIMPLE, VC1Simple ),
258 MAP(WMV3, VC1_MAIN, VC1Main ),
259 MAP(WMV3, VC1_COMPLEX, VC1Advanced ),
260 MAP(WMV3, VC1_ADVANCED, VC1Advanced ),
261 MAP(VC1, VC1_SIMPLE, VC1Simple ),
262 MAP(VC1, VC1_MAIN, VC1Main ),
263 MAP(VC1, VC1_COMPLEX, VC1Advanced ),
264 MAP(VC1, VC1_ADVANCED, VC1Advanced ),
265 #if VA_CHECK_VERSION(0, 35, 0)
266 MAP(VP8, UNKNOWN, VP8Version0_3 ),
267 #endif
268 #if VA_CHECK_VERSION(0, 38, 0)
269 MAP(VP9, VP9_0, VP9Profile0 ),
270 #endif
271 #undef MAP
272 };
273
274 static int vaapi_decode_make_config(AVCodecContext *avctx)
275 {
276 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
277
278 AVVAAPIHWConfig *hwconfig = NULL;
279 AVHWFramesConstraints *constraints = NULL;
280 VAStatus vas;
281 int err, i, j;
282 const AVCodecDescriptor *codec_desc;
283 VAProfile profile, *profile_list = NULL;
284 int profile_count, exact_match, alt_profile;
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(ctx, 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(ctx, 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(ctx->frames->device_ref);
379 if (!hwconfig) {
380 err = AVERROR(ENOMEM);
381 goto fail;
382 }
383 hwconfig->config_id = ctx->va_config;
384
385 constraints =
386 av_hwdevice_get_hwframe_constraints(ctx->frames->device_ref,
387 hwconfig);
388 if (!constraints) {
389 // Ignore.
390 } else {
391 if (avctx->coded_width < constraints->min_width ||
392 avctx->coded_height < constraints->min_height ||
393 avctx->coded_width > constraints->max_width ||
394 avctx->coded_height > constraints->max_height) {
395 av_log(ctx, AV_LOG_ERROR, "Hardware does not support image "
396 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
397 avctx->coded_width, avctx->coded_height,
398 constraints->min_width, constraints->max_width,
399 constraints->min_height, constraints->max_height);
400 err = AVERROR(EINVAL);
401 goto fail;
402 }
403 }
404
405 av_hwframe_constraints_free(&constraints);
406 av_freep(&hwconfig);
407
408 return 0;
409
410 fail:
411 av_hwframe_constraints_free(&constraints);
412 av_freep(&hwconfig);
413 if (ctx->va_config != VA_INVALID_ID) {
414 vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
415 ctx->va_config = VA_INVALID_ID;
416 }
417 av_freep(&profile_list);
418 return err;
419 }
420
421 int ff_vaapi_decode_init(AVCodecContext *avctx)
422 {
423 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
424 VAStatus vas;
425 int err;
426
427 ctx->va_config = VA_INVALID_ID;
428 ctx->va_context = VA_INVALID_ID;
429
430 #if FF_API_VAAPI_CONTEXT
431 if (avctx->hwaccel_context) {
432 av_log(avctx, AV_LOG_WARNING, "Using deprecated struct "
433 "vaapi_context in decode.\n");
434
435 ctx->have_old_context = 1;
436 ctx->old_context = avctx->hwaccel_context;
437
438 // Really we only want the VAAPI device context, but this
439 // allocates a whole generic device context because we don't
440 // have any other way to determine how big it should be.
441 ctx->device_ref =
442 av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VAAPI);
443 if (!ctx->device_ref) {
444 err = AVERROR(ENOMEM);
445 goto fail;
446 }
447 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
448 ctx->hwctx = ctx->device->hwctx;
449
450 ctx->hwctx->display = ctx->old_context->display;
451
452 // The old VAAPI decode setup assumed this quirk was always
453 // present, so set it here to avoid the behaviour changing.
454 ctx->hwctx->driver_quirks =
455 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS;
456
457 } else
458 #endif
459 if (avctx->hw_frames_ctx) {
460 // This structure has a shorter lifetime than the enclosing
461 // AVCodecContext, so we inherit the references from there
462 // and do not need to make separate ones.
463
464 ctx->frames = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
465 ctx->hwfc = ctx->frames->hwctx;
466
467 ctx->device = ctx->frames->device_ctx;
468 ctx->hwctx = ctx->device->hwctx;
469
470 } else {
471 av_log(avctx, AV_LOG_ERROR, "A hardware frames context is "
472 "required for VAAPI decoding.\n");
473 err = AVERROR(EINVAL);
474 goto fail;
475 }
476
477 #if FF_API_VAAPI_CONTEXT
478 if (ctx->have_old_context) {
479 ctx->va_config = ctx->old_context->config_id;
480 ctx->va_context = ctx->old_context->context_id;
481
482 av_log(avctx, AV_LOG_DEBUG, "Using user-supplied decoder "
483 "context: %#x/%#x.\n", ctx->va_config, ctx->va_context);
484 } else {
485 #endif
486
487 err = vaapi_decode_make_config(avctx);
488 if (err)
489 goto fail;
490
491 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
492 avctx->coded_width, avctx->coded_height,
493 VA_PROGRESSIVE,
494 ctx->hwfc->surface_ids,
495 ctx->hwfc->nb_surfaces,
496 &ctx->va_context);
497 if (vas != VA_STATUS_SUCCESS) {
498 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
499 "context: %d (%s).\n", vas, vaErrorStr(vas));
500 err = AVERROR(EIO);
501 goto fail;
502 }
503
504 av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: "
505 "%#x/%#x.\n", ctx->va_config, ctx->va_context);
506 #if FF_API_VAAPI_CONTEXT
507 }
508 #endif
509
510 return 0;
511
512 fail:
513 ff_vaapi_decode_uninit(avctx);
514 return err;
515 }
516
517 int ff_vaapi_decode_uninit(AVCodecContext *avctx)
518 {
519 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
520 VAStatus vas;
521
522 #if FF_API_VAAPI_CONTEXT
523 if (ctx->have_old_context) {
524 av_buffer_unref(&ctx->device_ref);
525 } else {
526 #endif
527
528 if (ctx->va_context != VA_INVALID_ID) {
529 vas = vaDestroyContext(ctx->hwctx->display, ctx->va_context);
530 if (vas != VA_STATUS_SUCCESS) {
531 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
532 "context %#x: %d (%s).\n",
533 ctx->va_context, vas, vaErrorStr(vas));
534 }
535 }
536 if (ctx->va_config != VA_INVALID_ID) {
537 vas = vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
538 if (vas != VA_STATUS_SUCCESS) {
539 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
540 "configuration %#x: %d (%s).\n",
541 ctx->va_config, vas, vaErrorStr(vas));
542 }
543 }
544
545 #if FF_API_VAAPI_CONTEXT
546 }
547 #endif
548
549 return 0;
550 }