42f03ab1414cf3ac2a5f5822ccc4380113f8938a
[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;
154
155 av_log(avctx, AV_LOG_DEBUG, "Decode to surface %#x.\n",
156 pic->output_surface);
157
158 vas = vaBeginPicture(ctx->hwctx->display, ctx->va_context,
159 pic->output_surface);
160 if (vas != VA_STATUS_SUCCESS) {
161 av_log(avctx, AV_LOG_ERROR, "Failed to begin picture decode "
162 "issue: %d (%s).\n", vas, vaErrorStr(vas));
163 err = AVERROR(EIO);
164 goto fail_with_picture;
165 }
166
167 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
168 pic->param_buffers, pic->nb_param_buffers);
169 if (vas != VA_STATUS_SUCCESS) {
170 av_log(avctx, AV_LOG_ERROR, "Failed to upload decode "
171 "parameters: %d (%s).\n", vas, vaErrorStr(vas));
172 err = AVERROR(EIO);
173 goto fail_with_picture;
174 }
175
176 vas = vaRenderPicture(ctx->hwctx->display, ctx->va_context,
177 pic->slice_buffers, 2 * pic->nb_slices);
178 if (vas != VA_STATUS_SUCCESS) {
179 av_log(avctx, AV_LOG_ERROR, "Failed to upload slices: "
180 "%d (%s).\n", vas, vaErrorStr(vas));
181 err = AVERROR(EIO);
182 goto fail_with_picture;
183 }
184
185 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
186 if (vas != VA_STATUS_SUCCESS) {
187 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
188 "issue: %d (%s).\n", vas, vaErrorStr(vas));
189 err = AVERROR(EIO);
190 if (ctx->hwctx->driver_quirks &
191 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
192 goto fail;
193 else
194 goto fail_at_end;
195 }
196
197 if (ctx->hwctx->driver_quirks &
198 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS)
199 ff_vaapi_decode_destroy_buffers(avctx, pic);
200
201 pic->nb_param_buffers = 0;
202 pic->nb_slices = 0;
203 pic->slices_allocated = 0;
204 av_freep(&pic->slice_buffers);
205
206 return 0;
207
208 fail_with_picture:
209 vas = vaEndPicture(ctx->hwctx->display, ctx->va_context);
210 if (vas != VA_STATUS_SUCCESS) {
211 av_log(avctx, AV_LOG_ERROR, "Failed to end picture decode "
212 "after error: %d (%s).\n", vas, vaErrorStr(vas));
213 }
214 fail:
215 ff_vaapi_decode_destroy_buffers(avctx, pic);
216 fail_at_end:
217 return err;
218 }
219
220 int ff_vaapi_decode_cancel(AVCodecContext *avctx,
221 VAAPIDecodePicture *pic)
222 {
223 ff_vaapi_decode_destroy_buffers(avctx, pic);
224
225 pic->nb_param_buffers = 0;
226 pic->nb_slices = 0;
227 pic->slices_allocated = 0;
228 av_freep(&pic->slice_buffers);
229
230 return 0;
231 }
232
233 static const struct {
234 enum AVCodecID codec_id;
235 int codec_profile;
236 VAProfile va_profile;
237 } vaapi_profile_map[] = {
238 #define MAP(c, p, v) { AV_CODEC_ID_ ## c, FF_PROFILE_ ## p, VAProfile ## v }
239 MAP(MPEG2VIDEO, MPEG2_SIMPLE, MPEG2Simple ),
240 MAP(MPEG2VIDEO, MPEG2_MAIN, MPEG2Main ),
241 MAP(H263, UNKNOWN, H263Baseline),
242 MAP(MPEG4, MPEG4_SIMPLE, MPEG4Simple ),
243 MAP(MPEG4, MPEG4_ADVANCED_SIMPLE,
244 MPEG4AdvancedSimple),
245 MAP(MPEG4, MPEG4_MAIN, MPEG4Main ),
246 MAP(H264, H264_CONSTRAINED_BASELINE,
247 H264ConstrainedBaseline),
248 MAP(H264, H264_BASELINE, H264Baseline),
249 MAP(H264, H264_MAIN, H264Main ),
250 MAP(H264, H264_HIGH, H264High ),
251 #if VA_CHECK_VERSION(0, 37, 0)
252 MAP(HEVC, HEVC_MAIN, HEVCMain ),
253 MAP(HEVC, HEVC_MAIN_10, HEVCMain10 ),
254 #endif
255 MAP(WMV3, VC1_SIMPLE, VC1Simple ),
256 MAP(WMV3, VC1_MAIN, VC1Main ),
257 MAP(WMV3, VC1_COMPLEX, VC1Advanced ),
258 MAP(WMV3, VC1_ADVANCED, VC1Advanced ),
259 MAP(VC1, VC1_SIMPLE, VC1Simple ),
260 MAP(VC1, VC1_MAIN, VC1Main ),
261 MAP(VC1, VC1_COMPLEX, VC1Advanced ),
262 MAP(VC1, VC1_ADVANCED, VC1Advanced ),
263 #if VA_CHECK_VERSION(0, 35, 0)
264 MAP(VP8, UNKNOWN, VP8Version0_3 ),
265 #endif
266 #if VA_CHECK_VERSION(0, 38, 0)
267 MAP(VP9, VP9_0, VP9Profile0 ),
268 #endif
269 #undef MAP
270 };
271
272 static int vaapi_decode_make_config(AVCodecContext *avctx)
273 {
274 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
275
276 AVVAAPIHWConfig *hwconfig = NULL;
277 AVHWFramesConstraints *constraints = NULL;
278 VAStatus vas;
279 int err, i, j;
280 const AVCodecDescriptor *codec_desc;
281 VAProfile profile, *profile_list = NULL;
282 int profile_count, exact_match, alt_profile;
283
284 // Allowing a profile mismatch can be useful because streams may
285 // over-declare their required capabilities - in particular, many
286 // H.264 baseline profile streams (notably some of those in FATE)
287 // only use the feature set of constrained baseline. This flag
288 // would have to be be set by some external means in order to
289 // actually be useful. (AV_HWACCEL_FLAG_IGNORE_PROFILE?)
290 int allow_profile_mismatch = 0;
291
292 codec_desc = avcodec_descriptor_get(avctx->codec_id);
293 if (!codec_desc) {
294 err = AVERROR(EINVAL);
295 goto fail;
296 }
297
298 profile_count = vaMaxNumProfiles(ctx->hwctx->display);
299 profile_list = av_malloc_array(profile_count,
300 sizeof(VAProfile));
301 if (!profile_list) {
302 err = AVERROR(ENOMEM);
303 goto fail;
304 }
305
306 vas = vaQueryConfigProfiles(ctx->hwctx->display,
307 profile_list, &profile_count);
308 if (vas != VA_STATUS_SUCCESS) {
309 av_log(avctx, AV_LOG_ERROR, "Failed to query profiles: "
310 "%d (%s).\n", vas, vaErrorStr(vas));
311 err = AVERROR(ENOSYS);
312 goto fail;
313 }
314
315 profile = VAProfileNone;
316 exact_match = 0;
317
318 for (i = 0; i < FF_ARRAY_ELEMS(vaapi_profile_map); i++) {
319 int profile_match = 0;
320 if (avctx->codec_id != vaapi_profile_map[i].codec_id)
321 continue;
322 if (avctx->profile == vaapi_profile_map[i].codec_profile ||
323 vaapi_profile_map[i].codec_profile == FF_PROFILE_UNKNOWN)
324 profile_match = 1;
325 profile = vaapi_profile_map[i].va_profile;
326 for (j = 0; j < profile_count; j++) {
327 if (profile == profile_list[j]) {
328 exact_match = profile_match;
329 break;
330 }
331 }
332 if (j < profile_count) {
333 if (exact_match)
334 break;
335 alt_profile = vaapi_profile_map[i].codec_profile;
336 }
337 }
338 av_freep(&profile_list);
339
340 if (profile == VAProfileNone) {
341 av_log(avctx, AV_LOG_ERROR, "No support for codec %s "
342 "profile %d.\n", codec_desc->name, avctx->profile);
343 err = AVERROR(ENOSYS);
344 goto fail;
345 }
346 if (!exact_match) {
347 if (allow_profile_mismatch) {
348 av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not "
349 "supported for hardware decode.\n",
350 codec_desc->name, avctx->profile);
351 av_log(avctx, AV_LOG_WARNING, "Using possibly-"
352 "incompatible profile %d instead.\n",
353 alt_profile);
354 } else {
355 av_log(avctx, AV_LOG_VERBOSE, "Codec %s profile %d not "
356 "supported for hardware decode.\n",
357 codec_desc->name, avctx->profile);
358 err = AVERROR(EINVAL);
359 goto fail;
360 }
361 }
362
363 ctx->va_profile = profile;
364 ctx->va_entrypoint = VAEntrypointVLD;
365
366 vas = vaCreateConfig(ctx->hwctx->display, ctx->va_profile,
367 ctx->va_entrypoint, NULL, 0,
368 &ctx->va_config);
369 if (vas != VA_STATUS_SUCCESS) {
370 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
371 "configuration: %d (%s).\n", vas, vaErrorStr(vas));
372 err = AVERROR(EIO);
373 goto fail;
374 }
375
376 hwconfig = av_hwdevice_hwconfig_alloc(ctx->frames->device_ref);
377 if (!hwconfig) {
378 err = AVERROR(ENOMEM);
379 goto fail;
380 }
381 hwconfig->config_id = ctx->va_config;
382
383 constraints =
384 av_hwdevice_get_hwframe_constraints(ctx->frames->device_ref,
385 hwconfig);
386 if (!constraints) {
387 // Ignore.
388 } else {
389 if (avctx->coded_width < constraints->min_width ||
390 avctx->coded_height < constraints->min_height ||
391 avctx->coded_width > constraints->max_width ||
392 avctx->coded_height > constraints->max_height) {
393 av_log(avctx, AV_LOG_ERROR, "Hardware does not support image "
394 "size %dx%d (constraints: width %d-%d height %d-%d).\n",
395 avctx->coded_width, avctx->coded_height,
396 constraints->min_width, constraints->max_width,
397 constraints->min_height, constraints->max_height);
398 err = AVERROR(EINVAL);
399 goto fail;
400 }
401 }
402
403 av_hwframe_constraints_free(&constraints);
404 av_freep(&hwconfig);
405
406 return 0;
407
408 fail:
409 av_hwframe_constraints_free(&constraints);
410 av_freep(&hwconfig);
411 if (ctx->va_config != VA_INVALID_ID) {
412 vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
413 ctx->va_config = VA_INVALID_ID;
414 }
415 av_freep(&profile_list);
416 return err;
417 }
418
419 int ff_vaapi_decode_init(AVCodecContext *avctx)
420 {
421 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
422 VAStatus vas;
423 int err;
424
425 ctx->va_config = VA_INVALID_ID;
426 ctx->va_context = VA_INVALID_ID;
427
428 #if FF_API_VAAPI_CONTEXT
429 if (avctx->hwaccel_context) {
430 av_log(avctx, AV_LOG_WARNING, "Using deprecated struct "
431 "vaapi_context in decode.\n");
432
433 ctx->have_old_context = 1;
434 ctx->old_context = avctx->hwaccel_context;
435
436 // Really we only want the VAAPI device context, but this
437 // allocates a whole generic device context because we don't
438 // have any other way to determine how big it should be.
439 ctx->device_ref =
440 av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_VAAPI);
441 if (!ctx->device_ref) {
442 err = AVERROR(ENOMEM);
443 goto fail;
444 }
445 ctx->device = (AVHWDeviceContext*)ctx->device_ref->data;
446 ctx->hwctx = ctx->device->hwctx;
447
448 ctx->hwctx->display = ctx->old_context->display;
449
450 // The old VAAPI decode setup assumed this quirk was always
451 // present, so set it here to avoid the behaviour changing.
452 ctx->hwctx->driver_quirks =
453 AV_VAAPI_DRIVER_QUIRK_RENDER_PARAM_BUFFERS;
454
455 } else
456 #endif
457 if (avctx->hw_frames_ctx) {
458 // This structure has a shorter lifetime than the enclosing
459 // AVCodecContext, so we inherit the references from there
460 // and do not need to make separate ones.
461
462 ctx->frames = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
463 ctx->hwfc = ctx->frames->hwctx;
464
465 ctx->device = ctx->frames->device_ctx;
466 ctx->hwctx = ctx->device->hwctx;
467
468 } else {
469 av_log(avctx, AV_LOG_ERROR, "A hardware frames context is "
470 "required for VAAPI decoding.\n");
471 err = AVERROR(EINVAL);
472 goto fail;
473 }
474
475 #if FF_API_VAAPI_CONTEXT
476 if (ctx->have_old_context) {
477 ctx->va_config = ctx->old_context->config_id;
478 ctx->va_context = ctx->old_context->context_id;
479
480 av_log(avctx, AV_LOG_DEBUG, "Using user-supplied decoder "
481 "context: %#x/%#x.\n", ctx->va_config, ctx->va_context);
482 } else {
483 #endif
484
485 err = vaapi_decode_make_config(avctx);
486 if (err)
487 goto fail;
488
489 vas = vaCreateContext(ctx->hwctx->display, ctx->va_config,
490 avctx->coded_width, avctx->coded_height,
491 VA_PROGRESSIVE,
492 ctx->hwfc->surface_ids,
493 ctx->hwfc->nb_surfaces,
494 &ctx->va_context);
495 if (vas != VA_STATUS_SUCCESS) {
496 av_log(avctx, AV_LOG_ERROR, "Failed to create decode "
497 "context: %d (%s).\n", vas, vaErrorStr(vas));
498 err = AVERROR(EIO);
499 goto fail;
500 }
501
502 av_log(avctx, AV_LOG_DEBUG, "Decode context initialised: "
503 "%#x/%#x.\n", ctx->va_config, ctx->va_context);
504 #if FF_API_VAAPI_CONTEXT
505 }
506 #endif
507
508 return 0;
509
510 fail:
511 ff_vaapi_decode_uninit(avctx);
512 return err;
513 }
514
515 int ff_vaapi_decode_uninit(AVCodecContext *avctx)
516 {
517 VAAPIDecodeContext *ctx = avctx->internal->hwaccel_priv_data;
518 VAStatus vas;
519
520 #if FF_API_VAAPI_CONTEXT
521 if (ctx->have_old_context) {
522 av_buffer_unref(&ctx->device_ref);
523 } else {
524 #endif
525
526 if (ctx->va_context != VA_INVALID_ID) {
527 vas = vaDestroyContext(ctx->hwctx->display, ctx->va_context);
528 if (vas != VA_STATUS_SUCCESS) {
529 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
530 "context %#x: %d (%s).\n",
531 ctx->va_context, vas, vaErrorStr(vas));
532 }
533 }
534 if (ctx->va_config != VA_INVALID_ID) {
535 vas = vaDestroyConfig(ctx->hwctx->display, ctx->va_config);
536 if (vas != VA_STATUS_SUCCESS) {
537 av_log(avctx, AV_LOG_ERROR, "Failed to destroy decode "
538 "configuration %#x: %d (%s).\n",
539 ctx->va_config, vas, vaErrorStr(vas));
540 }
541 }
542
543 #if FF_API_VAAPI_CONTEXT
544 }
545 #endif
546
547 return 0;
548 }