hwcontext: add a dxva2 implementation
[libav.git] / avconv_dxva2.c
CommitLineData
35177ba7
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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 <windows.h>
20
21#ifdef _WIN32_WINNT
22#undef _WIN32_WINNT
23#endif
24#define _WIN32_WINNT 0x0600
25#define DXVA2API_USE_BITFIELDS
26#define COBJMACROS
27
28#include <stdint.h>
29
35177ba7
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30#include <d3d9.h>
31#include <dxva2api.h>
32
33#include "avconv.h"
34
35#include "libavcodec/dxva2.h"
36
37#include "libavutil/avassert.h"
38#include "libavutil/buffer.h"
39#include "libavutil/frame.h"
40#include "libavutil/imgutils.h"
41#include "libavutil/pixfmt.h"
42
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43/* define all the GUIDs used directly here,
44 to avoid problems with inconsistent dxva2api.h versions in mingw-w64 and different MSVC version */
45#include <initguid.h>
46DEFINE_GUID(IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
35177ba7 47
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48DEFINE_GUID(DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28,0x4e65,0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9);
49DEFINE_GUID(DXVA2_ModeMPEG2and1_VLD, 0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60);
50DEFINE_GUID(DXVA2_ModeH264_E, 0x1b81be68, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
51DEFINE_GUID(DXVA2_ModeH264_F, 0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
35177ba7 52DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
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53DEFINE_GUID(DXVA2_ModeVC1_D, 0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
54DEFINE_GUID(DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
a7e03804 55DEFINE_GUID(DXVA2_ModeHEVC_VLD_Main, 0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0);
a7c5fdda 56DEFINE_GUID(DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
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57DEFINE_GUID(GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
58
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59typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
60typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
61
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62typedef struct dxva2_mode {
63 const GUID *guid;
64 enum AVCodecID codec;
65} dxva2_mode;
66
67static const dxva2_mode dxva2_modes[] = {
68 /* MPEG-2 */
69 { &DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO },
70 { &DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO },
71
72 /* H.264 */
73 { &DXVA2_ModeH264_F, AV_CODEC_ID_H264 },
74 { &DXVA2_ModeH264_E, AV_CODEC_ID_H264 },
75 /* Intel specific H.264 mode */
76 { &DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264 },
77
78 /* VC-1 / WMV3 */
79 { &DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 },
80 { &DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 },
81 { &DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 },
82 { &DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 },
83
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84 /* HEVC/H.265 */
85 { &DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC },
86
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87 { NULL, 0 },
88};
89
90typedef struct surface_info {
91 int used;
92 uint64_t age;
93} surface_info;
94
95typedef struct DXVA2Context {
96 HMODULE d3dlib;
97 HMODULE dxva2lib;
98
99 HANDLE deviceHandle;
100
101 IDirect3D9 *d3d9;
102 IDirect3DDevice9 *d3d9device;
103 IDirect3DDeviceManager9 *d3d9devmgr;
104 IDirectXVideoDecoderService *decoder_service;
105 IDirectXVideoDecoder *decoder;
106
107 GUID decoder_guid;
108 DXVA2_ConfigPictureDecode decoder_config;
109
110 LPDIRECT3DSURFACE9 *surfaces;
111 surface_info *surface_infos;
112 uint32_t num_surfaces;
113 uint64_t surface_age;
114
115 AVFrame *tmp_frame;
116} DXVA2Context;
117
118typedef struct DXVA2SurfaceWrapper {
119 DXVA2Context *ctx;
120 LPDIRECT3DSURFACE9 surface;
121 IDirectXVideoDecoder *decoder;
122} DXVA2SurfaceWrapper;
123
124static void dxva2_destroy_decoder(AVCodecContext *s)
125{
126 InputStream *ist = s->opaque;
127 DXVA2Context *ctx = ist->hwaccel_ctx;
128
129 if (ctx->surfaces) {
130 for (int i = 0; i < ctx->num_surfaces; i++) {
131 if (ctx->surfaces[i])
132 IDirect3DSurface9_Release(ctx->surfaces[i]);
133 }
134 }
135 av_freep(&ctx->surfaces);
136 av_freep(&ctx->surface_infos);
137 ctx->num_surfaces = 0;
138 ctx->surface_age = 0;
139
140 if (ctx->decoder) {
141 IDirectXVideoDecoder_Release(ctx->decoder);
142 ctx->decoder = NULL;
143 }
144}
145
146static void dxva2_uninit(AVCodecContext *s)
147{
148 InputStream *ist = s->opaque;
149 DXVA2Context *ctx = ist->hwaccel_ctx;
150
151 ist->hwaccel_uninit = NULL;
152 ist->hwaccel_get_buffer = NULL;
153 ist->hwaccel_retrieve_data = NULL;
154
155 if (ctx->decoder)
156 dxva2_destroy_decoder(s);
157
158 if (ctx->decoder_service)
159 IDirectXVideoDecoderService_Release(ctx->decoder_service);
160
161 if (ctx->d3d9devmgr && ctx->deviceHandle != INVALID_HANDLE_VALUE)
162 IDirect3DDeviceManager9_CloseDeviceHandle(ctx->d3d9devmgr, ctx->deviceHandle);
163
164 if (ctx->d3d9devmgr)
165 IDirect3DDeviceManager9_Release(ctx->d3d9devmgr);
166
167 if (ctx->d3d9device)
168 IDirect3DDevice9_Release(ctx->d3d9device);
169
170 if (ctx->d3d9)
171 IDirect3D9_Release(ctx->d3d9);
172
173 if (ctx->d3dlib)
174 FreeLibrary(ctx->d3dlib);
175
176 if (ctx->dxva2lib)
177 FreeLibrary(ctx->dxva2lib);
178
179 av_frame_free(&ctx->tmp_frame);
180
181 av_freep(&ist->hwaccel_ctx);
182 av_freep(&s->hwaccel_context);
183}
184
185static void dxva2_release_buffer(void *opaque, uint8_t *data)
186{
187 DXVA2SurfaceWrapper *w = opaque;
188 DXVA2Context *ctx = w->ctx;
189 int i;
190
191 for (i = 0; i < ctx->num_surfaces; i++) {
192 if (ctx->surfaces[i] == w->surface) {
193 ctx->surface_infos[i].used = 0;
194 break;
195 }
196 }
197 IDirect3DSurface9_Release(w->surface);
198 IDirectXVideoDecoder_Release(w->decoder);
199 av_free(w);
200}
201
202static int dxva2_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
203{
204 InputStream *ist = s->opaque;
205 DXVA2Context *ctx = ist->hwaccel_ctx;
206 int i, old_unused = -1;
207 LPDIRECT3DSURFACE9 surface;
208 DXVA2SurfaceWrapper *w = NULL;
209
210 av_assert0(frame->format == AV_PIX_FMT_DXVA2_VLD);
211
212 for (i = 0; i < ctx->num_surfaces; i++) {
213 surface_info *info = &ctx->surface_infos[i];
214 if (!info->used && (old_unused == -1 || info->age < ctx->surface_infos[old_unused].age))
215 old_unused = i;
216 }
217 if (old_unused == -1) {
218 av_log(NULL, AV_LOG_ERROR, "No free DXVA2 surface!\n");
219 return AVERROR(ENOMEM);
220 }
221 i = old_unused;
222
223 surface = ctx->surfaces[i];
224
225 w = av_mallocz(sizeof(*w));
226 if (!w)
227 return AVERROR(ENOMEM);
228
229 frame->buf[0] = av_buffer_create((uint8_t*)surface, 0,
230 dxva2_release_buffer, w,
231 AV_BUFFER_FLAG_READONLY);
232 if (!frame->buf[0]) {
233 av_free(w);
234 return AVERROR(ENOMEM);
235 }
236
237 w->ctx = ctx;
238 w->surface = surface;
239 IDirect3DSurface9_AddRef(w->surface);
240 w->decoder = ctx->decoder;
241 IDirectXVideoDecoder_AddRef(w->decoder);
242
243 ctx->surface_infos[i].used = 1;
244 ctx->surface_infos[i].age = ctx->surface_age++;
245
246 frame->data[3] = (uint8_t *)surface;
247
248 return 0;
249}
250
251static int dxva2_retrieve_data(AVCodecContext *s, AVFrame *frame)
252{
253 LPDIRECT3DSURFACE9 surface = (LPDIRECT3DSURFACE9)frame->data[3];
254 InputStream *ist = s->opaque;
255 DXVA2Context *ctx = ist->hwaccel_ctx;
256 D3DSURFACE_DESC surfaceDesc;
257 D3DLOCKED_RECT LockedRect;
258 HRESULT hr;
259 int ret;
260
261 IDirect3DSurface9_GetDesc(surface, &surfaceDesc);
262
263 ctx->tmp_frame->width = frame->width;
264 ctx->tmp_frame->height = frame->height;
265 ctx->tmp_frame->format = AV_PIX_FMT_NV12;
266
267 ret = av_frame_get_buffer(ctx->tmp_frame, 32);
268 if (ret < 0)
269 return ret;
270
271 hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, D3DLOCK_READONLY);
272 if (FAILED(hr)) {
273 av_log(NULL, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
274 return AVERROR_UNKNOWN;
275 }
276
277 av_image_copy_plane(ctx->tmp_frame->data[0], ctx->tmp_frame->linesize[0],
278 (uint8_t*)LockedRect.pBits,
279 LockedRect.Pitch, frame->width, frame->height);
280
281 av_image_copy_plane(ctx->tmp_frame->data[1], ctx->tmp_frame->linesize[1],
282 (uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
283 LockedRect.Pitch, frame->width, frame->height / 2);
284
285 IDirect3DSurface9_UnlockRect(surface);
286
287 ret = av_frame_copy_props(ctx->tmp_frame, frame);
288 if (ret < 0)
289 goto fail;
290
291 av_frame_unref(frame);
292 av_frame_move_ref(frame, ctx->tmp_frame);
293
294 return 0;
295fail:
296 av_frame_unref(ctx->tmp_frame);
297 return ret;
298}
299
300static int dxva2_alloc(AVCodecContext *s)
301{
302 InputStream *ist = s->opaque;
303 int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
304 DXVA2Context *ctx;
305 pDirect3DCreate9 *createD3D = NULL;
306 pCreateDeviceManager9 *createDeviceManager = NULL;
307 HRESULT hr;
308 D3DPRESENT_PARAMETERS d3dpp = {0};
309 D3DDISPLAYMODE d3ddm;
310 unsigned resetToken = 0;
311 UINT adapter = D3DADAPTER_DEFAULT;
312
313 ctx = av_mallocz(sizeof(*ctx));
314 if (!ctx)
315 return AVERROR(ENOMEM);
316
317 ctx->deviceHandle = INVALID_HANDLE_VALUE;
318
319 ist->hwaccel_ctx = ctx;
320 ist->hwaccel_uninit = dxva2_uninit;
321 ist->hwaccel_get_buffer = dxva2_get_buffer;
322 ist->hwaccel_retrieve_data = dxva2_retrieve_data;
323
324 ctx->d3dlib = LoadLibrary("d3d9.dll");
325 if (!ctx->d3dlib) {
326 av_log(NULL, loglevel, "Failed to load D3D9 library\n");
327 goto fail;
328 }
329 ctx->dxva2lib = LoadLibrary("dxva2.dll");
330 if (!ctx->dxva2lib) {
331 av_log(NULL, loglevel, "Failed to load DXVA2 library\n");
332 goto fail;
333 }
334
335 createD3D = (pDirect3DCreate9 *)GetProcAddress(ctx->d3dlib, "Direct3DCreate9");
336 if (!createD3D) {
337 av_log(NULL, loglevel, "Failed to locate Direct3DCreate9\n");
338 goto fail;
339 }
340 createDeviceManager = (pCreateDeviceManager9 *)GetProcAddress(ctx->dxva2lib, "DXVA2CreateDirect3DDeviceManager9");
341 if (!createDeviceManager) {
342 av_log(NULL, loglevel, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
343 goto fail;
344 }
345
346 ctx->d3d9 = createD3D(D3D_SDK_VERSION);
347 if (!ctx->d3d9) {
348 av_log(NULL, loglevel, "Failed to create IDirect3D object\n");
349 goto fail;
350 }
351
352 if (ist->hwaccel_device) {
353 adapter = atoi(ist->hwaccel_device);
354 av_log(NULL, AV_LOG_INFO, "Using HWAccel device %d\n", adapter);
355 }
356
357 IDirect3D9_GetAdapterDisplayMode(ctx->d3d9, adapter, &d3ddm);
358 d3dpp.Windowed = TRUE;
359 d3dpp.BackBufferWidth = 640;
360 d3dpp.BackBufferHeight = 480;
361 d3dpp.BackBufferCount = 0;
362 d3dpp.BackBufferFormat = d3ddm.Format;
363 d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
364 d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
365
366 hr = IDirect3D9_CreateDevice(ctx->d3d9, adapter, D3DDEVTYPE_HAL, GetShellWindow(),
367 D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_MULTITHREADED | D3DCREATE_FPU_PRESERVE,
368 &d3dpp, &ctx->d3d9device);
369 if (FAILED(hr)) {
370 av_log(NULL, loglevel, "Failed to create Direct3D device\n");
371 goto fail;
372 }
373
374 hr = createDeviceManager(&resetToken, &ctx->d3d9devmgr);
375 if (FAILED(hr)) {
376 av_log(NULL, loglevel, "Failed to create Direct3D device manager\n");
377 goto fail;
378 }
379
380 hr = IDirect3DDeviceManager9_ResetDevice(ctx->d3d9devmgr, ctx->d3d9device, resetToken);
381 if (FAILED(hr)) {
382 av_log(NULL, loglevel, "Failed to bind Direct3D device to device manager\n");
383 goto fail;
384 }
385
386 hr = IDirect3DDeviceManager9_OpenDeviceHandle(ctx->d3d9devmgr, &ctx->deviceHandle);
387 if (FAILED(hr)) {
388 av_log(NULL, loglevel, "Failed to open device handle\n");
389 goto fail;
390 }
391
392 hr = IDirect3DDeviceManager9_GetVideoService(ctx->d3d9devmgr, ctx->deviceHandle, &IID_IDirectXVideoDecoderService, (void **)&ctx->decoder_service);
393 if (FAILED(hr)) {
394 av_log(NULL, loglevel, "Failed to create IDirectXVideoDecoderService\n");
395 goto fail;
396 }
397
398 ctx->tmp_frame = av_frame_alloc();
399 if (!ctx->tmp_frame)
400 goto fail;
401
402 s->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
403 if (!s->hwaccel_context)
404 goto fail;
405
406 return 0;
407fail:
408 dxva2_uninit(s);
409 return AVERROR(EINVAL);
410}
411
412static int dxva2_get_decoder_configuration(AVCodecContext *s, const GUID *device_guid,
413 const DXVA2_VideoDesc *desc,
414 DXVA2_ConfigPictureDecode *config)
415{
416 InputStream *ist = s->opaque;
417 int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
418 DXVA2Context *ctx = ist->hwaccel_ctx;
419 unsigned cfg_count = 0, best_score = 0;
420 DXVA2_ConfigPictureDecode *cfg_list = NULL;
421 DXVA2_ConfigPictureDecode best_cfg = {{0}};
422 HRESULT hr;
423 int i;
424
425 hr = IDirectXVideoDecoderService_GetDecoderConfigurations(ctx->decoder_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
426 if (FAILED(hr)) {
427 av_log(NULL, loglevel, "Unable to retrieve decoder configurations\n");
428 return AVERROR(EINVAL);
429 }
430
431 for (i = 0; i < cfg_count; i++) {
432 DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
433
434 unsigned score;
435 if (cfg->ConfigBitstreamRaw == 1)
436 score = 1;
437 else if (s->codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
438 score = 2;
439 else
440 continue;
441 if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA2_NoEncrypt))
442 score += 16;
443 if (score > best_score) {
444 best_score = score;
445 best_cfg = *cfg;
446 }
447 }
448 CoTaskMemFree(cfg_list);
449
450 if (!best_score) {
451 av_log(NULL, loglevel, "No valid decoder configuration available\n");
452 return AVERROR(EINVAL);
453 }
454
455 *config = best_cfg;
456 return 0;
457}
458
459static int dxva2_create_decoder(AVCodecContext *s)
460{
461 InputStream *ist = s->opaque;
462 int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
463 DXVA2Context *ctx = ist->hwaccel_ctx;
464 struct dxva_context *dxva_ctx = s->hwaccel_context;
465 GUID *guid_list = NULL;
466 unsigned guid_count = 0, i, j;
467 GUID device_guid = GUID_NULL;
468 D3DFORMAT target_format = 0;
469 DXVA2_VideoDesc desc = { 0 };
470 DXVA2_ConfigPictureDecode config;
471 HRESULT hr;
472 int surface_alignment;
473 int ret;
474
475 hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
476 if (FAILED(hr)) {
477 av_log(NULL, loglevel, "Failed to retrieve decoder device GUIDs\n");
478 goto fail;
479 }
480
481 for (i = 0; dxva2_modes[i].guid; i++) {
482 D3DFORMAT *target_list = NULL;
483 unsigned target_count = 0;
484 const dxva2_mode *mode = &dxva2_modes[i];
485 if (mode->codec != s->codec_id)
486 continue;
487
488 for (j = 0; j < guid_count; j++) {
489 if (IsEqualGUID(mode->guid, &guid_list[j]))
490 break;
491 }
492 if (j == guid_count)
493 continue;
494
495 hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
496 if (FAILED(hr)) {
497 continue;
498 }
499 for (j = 0; j < target_count; j++) {
500 const D3DFORMAT format = target_list[j];
501 if (format == MKTAG('N','V','1','2')) {
502 target_format = format;
503 break;
504 }
505 }
506 CoTaskMemFree(target_list);
507 if (target_format) {
508 device_guid = *mode->guid;
509 break;
510 }
511 }
512 CoTaskMemFree(guid_list);
513
514 if (IsEqualGUID(&device_guid, &GUID_NULL)) {
515 av_log(NULL, loglevel, "No decoder device for codec found\n");
516 goto fail;
517 }
518
519 desc.SampleWidth = s->coded_width;
520 desc.SampleHeight = s->coded_height;
521 desc.Format = target_format;
522
523 ret = dxva2_get_decoder_configuration(s, &device_guid, &desc, &config);
524 if (ret < 0) {
525 goto fail;
526 }
527
528 /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
529 but it causes issues for H.264 on certain AMD GPUs..... */
530 if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
531 surface_alignment = 32;
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HL
532 /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
533 all coding features have enough room to work with */
534 else if (s->codec_id == AV_CODEC_ID_HEVC)
535 surface_alignment = 128;
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HL
536 else
537 surface_alignment = 16;
538
539 /* 4 base work surfaces */
540 ctx->num_surfaces = 4;
541
542 /* add surfaces based on number of possible refs */
a7e03804 543 if (s->codec_id == AV_CODEC_ID_H264 || s->codec_id == AV_CODEC_ID_HEVC)
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HL
544 ctx->num_surfaces += 16;
545 else
546 ctx->num_surfaces += 2;
547
548 /* add extra surfaces for frame threading */
549 if (s->active_thread_type & FF_THREAD_FRAME)
550 ctx->num_surfaces += s->thread_count;
551
552 ctx->surfaces = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surfaces));
553 ctx->surface_infos = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surface_infos));
554
555 if (!ctx->surfaces || !ctx->surface_infos) {
556 av_log(NULL, loglevel, "Unable to allocate surface arrays\n");
557 goto fail;
558 }
559
560 hr = IDirectXVideoDecoderService_CreateSurface(ctx->decoder_service,
561 FFALIGN(s->coded_width, surface_alignment),
562 FFALIGN(s->coded_height, surface_alignment),
563 ctx->num_surfaces - 1,
564 target_format, D3DPOOL_DEFAULT, 0,
565 DXVA2_VideoDecoderRenderTarget,
566 ctx->surfaces, NULL);
567 if (FAILED(hr)) {
568 av_log(NULL, loglevel, "Failed to create %d video surfaces\n", ctx->num_surfaces);
569 goto fail;
570 }
571
572 hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
573 &desc, &config, ctx->surfaces,
574 ctx->num_surfaces, &ctx->decoder);
575 if (FAILED(hr)) {
576 av_log(NULL, loglevel, "Failed to create DXVA2 video decoder\n");
577 goto fail;
578 }
579
580 ctx->decoder_guid = device_guid;
581 ctx->decoder_config = config;
582
583 dxva_ctx->cfg = &ctx->decoder_config;
584 dxva_ctx->decoder = ctx->decoder;
585 dxva_ctx->surface = ctx->surfaces;
586 dxva_ctx->surface_count = ctx->num_surfaces;
587
588 if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
589 dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
590
591 return 0;
592fail:
593 dxva2_destroy_decoder(s);
594 return AVERROR(EINVAL);
595}
596
597int dxva2_init(AVCodecContext *s)
598{
599 InputStream *ist = s->opaque;
600 int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
601 DXVA2Context *ctx;
602 int ret;
603
604 if (!ist->hwaccel_ctx) {
605 ret = dxva2_alloc(s);
606 if (ret < 0)
607 return ret;
608 }
609 ctx = ist->hwaccel_ctx;
610
611 if (s->codec_id == AV_CODEC_ID_H264 &&
612 (s->profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH) {
613 av_log(NULL, loglevel, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", s->profile);
614 return AVERROR(EINVAL);
615 }
616
617 if (ctx->decoder)
618 dxva2_destroy_decoder(s);
619
620 ret = dxva2_create_decoder(s);
621 if (ret < 0) {
622 av_log(NULL, loglevel, "Error creating the DXVA2 decoder\n");
623 return ret;
624 }
625
626 return 0;
627}