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dxva2.c
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1 /*
2  * DXVA2 HW acceleration.
3  *
4  * copyright (c) 2010 Laurent Aimar
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include <assert.h>
24 #include <string.h>
25 #include <initguid.h>
26 
27 #include "libavutil/common.h"
28 #include "libavutil/log.h"
29 #include "libavutil/time.h"
30 
31 #include "avcodec.h"
32 #include "dxva2_internal.h"
33 
34 /* define all the GUIDs used directly here,
35  to avoid problems with inconsistent dxva2api.h versions in mingw-w64 and different MSVC version */
36 DEFINE_GUID(ff_DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28,0x4e65,0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9);
37 DEFINE_GUID(ff_DXVA2_ModeMPEG2and1_VLD, 0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60);
38 DEFINE_GUID(ff_DXVA2_ModeH264_E, 0x1b81be68, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
39 DEFINE_GUID(ff_DXVA2_ModeH264_F, 0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
40 DEFINE_GUID(ff_DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
41 DEFINE_GUID(ff_DXVA2_ModeVC1_D, 0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
42 DEFINE_GUID(ff_DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
43 DEFINE_GUID(ff_DXVA2_ModeHEVC_VLD_Main, 0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0);
44 DEFINE_GUID(ff_DXVA2_ModeHEVC_VLD_Main10,0x107af0e0, 0xef1a,0x4d19,0xab,0xa8,0x67,0xa1,0x63,0x07,0x3d,0x13);
45 DEFINE_GUID(ff_DXVA2_ModeVP9_VLD_Profile0,0x463707f8,0xa1d0,0x4585,0x87,0x6d,0x83,0xaa,0x6d,0x60,0xb8,0x9e);
46 DEFINE_GUID(ff_DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
47 DEFINE_GUID(ff_GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
48 DEFINE_GUID(ff_IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
49 
50 typedef struct dxva_mode {
51  const GUID *guid;
53  // List of supported profiles, terminated by a FF_PROFILE_UNKNOWN entry.
54  // If NULL, don't check profile.
55  const int *profiles;
56 } dxva_mode;
57 
65 static const int prof_hevc_main[] = {FF_PROFILE_HEVC_MAIN,
69 
70 static const dxva_mode dxva_modes[] = {
71  /* MPEG-2 */
72  { &ff_DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
73  { &ff_DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
74 
75  /* H.264 */
76  { &ff_DXVA2_ModeH264_F, AV_CODEC_ID_H264, prof_h264_high },
77  { &ff_DXVA2_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high },
78  /* Intel specific H.264 mode */
79  { &ff_DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high },
80 
81  /* VC-1 / WMV3 */
82  { &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 },
83  { &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 },
84  { &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 },
85  { &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 },
86 
87  /* HEVC/H.265 */
88  { &ff_DXVA2_ModeHEVC_VLD_Main10, AV_CODEC_ID_HEVC, prof_hevc_main10 },
89  { &ff_DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC, prof_hevc_main },
90 
91  /* VP8/9 */
92  { &ff_DXVA2_ModeVP9_VLD_Profile0,AV_CODEC_ID_VP9 },
93 
94  { NULL, 0 },
95 };
96 
98  const void *cfg_list,
99  unsigned cfg_count)
100 {
102  unsigned i, best_score = 0;
103  int best_cfg = -1;
104 
105  for (i = 0; i < cfg_count; i++) {
106  unsigned score;
107  UINT ConfigBitstreamRaw;
108  GUID guidConfigBitstreamEncryption;
109 
110 #if CONFIG_D3D11VA
111  if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
112  D3D11_VIDEO_DECODER_CONFIG *cfg = &((D3D11_VIDEO_DECODER_CONFIG *)cfg_list)[i];
113  ConfigBitstreamRaw = cfg->ConfigBitstreamRaw;
114  guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption;
115  }
116 #endif
117 #if CONFIG_DXVA2
118  if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
119  DXVA2_ConfigPictureDecode *cfg = &((DXVA2_ConfigPictureDecode *)cfg_list)[i];
120  ConfigBitstreamRaw = cfg->ConfigBitstreamRaw;
121  guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption;
122  }
123 #endif
124 
125  if (ConfigBitstreamRaw == 1)
126  score = 1;
127  else if (avctx->codec_id == AV_CODEC_ID_H264 && ConfigBitstreamRaw == 2)
128  score = 2;
129  else
130  continue;
131  if (IsEqualGUID(&guidConfigBitstreamEncryption, &ff_DXVA2_NoEncrypt))
132  score += 16;
133  if (score > best_score) {
134  best_score = score;
135  best_cfg = i;
136  }
137  }
138 
139  if (!best_score) {
140  av_log(avctx, AV_LOG_VERBOSE, "No valid decoder configuration available\n");
141  return AVERROR(EINVAL);
142  }
143 
144  return best_cfg;
145 }
146 
147 #if CONFIG_D3D11VA
148 static int d3d11va_validate_output(void *service, GUID guid, const void *surface_format)
149 {
150  HRESULT hr;
152  hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice *)service,
153  &guid,
154  *(DXGI_FORMAT *)surface_format,
155  &is_supported);
156  return SUCCEEDED(hr) && is_supported;
157 }
158 #endif
159 
160 #if CONFIG_DXVA2
161 static int dxva2_validate_output(void *decoder_service, GUID guid, const void *surface_format)
162 {
163  HRESULT hr;
164  int ret = 0;
165  unsigned j, target_count;
166  D3DFORMAT *target_list;
167  hr = IDirectXVideoDecoderService_GetDecoderRenderTargets((IDirectXVideoDecoderService *)decoder_service, &guid, &target_count, &target_list);
168  if (SUCCEEDED(hr)) {
169  for (j = 0; j < target_count; j++) {
170  const D3DFORMAT format = target_list[j];
171  if (format == *(D3DFORMAT *)surface_format) {
172  ret = 1;
173  break;
174  }
175  }
176  CoTaskMemFree(target_list);
177  }
178  return ret;
179 }
180 #endif
181 
183 {
184  if (mode->codec != avctx->codec_id)
185  return 0;
186 
188  int i, found = 0;
189  for (i = 0; mode->profiles[i] != FF_PROFILE_UNKNOWN; i++) {
190  if (avctx->profile == mode->profiles[i]) {
191  found = 1;
192  break;
193  }
194  }
195  if (!found)
196  return 0;
197  }
198 
199  return 1;
200 }
201 
202 static void dxva_list_guids_debug(AVCodecContext *avctx, void *service,
203  unsigned guid_count, const GUID *guid_list)
204 {
206  int i;
207 
208  av_log(avctx, AV_LOG_VERBOSE, "Decoder GUIDs reported as supported:\n");
209 
210  for (i = 0; i < guid_count; i++) {
211  const GUID *guid = &guid_list[i];
212 
213  av_log(avctx, AV_LOG_VERBOSE,
214  "{%8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x}",
215  (unsigned) guid->Data1, guid->Data2, guid->Data3,
216  guid->Data4[0], guid->Data4[1],
217  guid->Data4[2], guid->Data4[3],
218  guid->Data4[4], guid->Data4[5],
219  guid->Data4[6], guid->Data4[7]);
220 
221 #if CONFIG_D3D11VA
222  if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
223  DXGI_FORMAT format;
224  // We don't know the maximum valid DXGI_FORMAT, so use 200 as
225  // arbitrary upper bound (that could become outdated).
226  for (format = 0; format < 200; format++) {
227  if (d3d11va_validate_output(service, *guid, &format))
228  av_log(avctx, AV_LOG_VERBOSE, " %d", (int)format);
229  }
230  }
231 #endif
232 #if CONFIG_DXVA2
233  if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
234  const D3DFORMAT formats[] = {MKTAG('N', 'V', '1', '2'),
235  MKTAG('P', '0', '1', '0')};
236  int i;
237  for (i = 0; i < FF_ARRAY_ELEMS(formats); i++) {
238  if (dxva2_validate_output(service, *guid, &formats[i]))
239  av_log(avctx, AV_LOG_VERBOSE, " %d", i);
240  }
241  }
242 #endif
243  av_log(avctx, AV_LOG_VERBOSE, "\n");
244  }
245 }
246 
247 static int dxva_get_decoder_guid(AVCodecContext *avctx, void *service, void *surface_format,
248  unsigned guid_count, const GUID *guid_list, GUID *decoder_guid)
249 {
251  unsigned i, j;
252 
253  dxva_list_guids_debug(avctx, service, guid_count, guid_list);
254 
255  *decoder_guid = ff_GUID_NULL;
256  for (i = 0; dxva_modes[i].guid; i++) {
257  const dxva_mode *mode = &dxva_modes[i];
258  int validate;
259  if (!dxva_check_codec_compatibility(avctx, mode))
260  continue;
261 
262  for (j = 0; j < guid_count; j++) {
263  if (IsEqualGUID(mode->guid, &guid_list[j]))
264  break;
265  }
266  if (j == guid_count)
267  continue;
268 
269 #if CONFIG_D3D11VA
270  if (sctx->pix_fmt == AV_PIX_FMT_D3D11)
271  validate = d3d11va_validate_output(service, *mode->guid, surface_format);
272 #endif
273 #if CONFIG_DXVA2
274  if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
275  validate = dxva2_validate_output(service, *mode->guid, surface_format);
276 #endif
277  if (validate) {
278  *decoder_guid = *mode->guid;
279  break;
280  }
281  }
282 
283  if (IsEqualGUID(decoder_guid, &ff_GUID_NULL)) {
284  av_log(avctx, AV_LOG_VERBOSE, "No decoder device for codec found\n");
285  return AVERROR(EINVAL);
286  }
287 
288  if (IsEqualGUID(decoder_guid, &ff_DXVADDI_Intel_ModeH264_E))
290 
291  return 0;
292 }
293 
294 static void bufref_free_interface(void *opaque, uint8_t *data)
295 {
296  IUnknown_Release((IUnknown *)opaque);
297 }
298 
299 static AVBufferRef *bufref_wrap_interface(IUnknown *iface)
300 {
301  return av_buffer_create((uint8_t*)iface, 1, bufref_free_interface, iface, 0);
302 }
303 
304 #if CONFIG_DXVA2
305 
306 static int dxva2_get_decoder_configuration(AVCodecContext *avctx, const GUID *device_guid,
307  const DXVA2_VideoDesc *desc,
308  DXVA2_ConfigPictureDecode *config)
309 {
311  unsigned cfg_count;
312  DXVA2_ConfigPictureDecode *cfg_list;
313  HRESULT hr;
314  int ret;
315 
316  hr = IDirectXVideoDecoderService_GetDecoderConfigurations(sctx->dxva2_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
317  if (FAILED(hr)) {
318  av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
319  return AVERROR(EINVAL);
320  }
321 
322  ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
323  if (ret >= 0)
324  *config = cfg_list[ret];
325  CoTaskMemFree(cfg_list);
326  return ret;
327 }
328 
329 static int dxva2_create_decoder(AVCodecContext *avctx)
330 {
332  GUID *guid_list;
333  unsigned guid_count;
334  GUID device_guid;
335  D3DFORMAT surface_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
336  MKTAG('P', '0', '1', '0') : MKTAG('N', 'V', '1', '2');
337  DXVA2_VideoDesc desc = { 0 };
338  DXVA2_ConfigPictureDecode config;
339  HRESULT hr;
340  int ret;
341  HANDLE device_handle;
342  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
343  AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
344  AVDXVA2DeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
345 
346  hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
347  &device_handle);
348  if (FAILED(hr)) {
349  av_log(avctx, AV_LOG_ERROR, "Failed to open a device handle\n");
350  goto fail;
351  }
352 
353  hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle,
354  &ff_IID_IDirectXVideoDecoderService,
355  (void **)&sctx->dxva2_service);
356  IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle);
357  if (FAILED(hr)) {
358  av_log(avctx, AV_LOG_ERROR, "Failed to create IDirectXVideoDecoderService\n");
359  goto fail;
360  }
361 
362  hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(sctx->dxva2_service, &guid_count, &guid_list);
363  if (FAILED(hr)) {
364  av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder device GUIDs\n");
365  goto fail;
366  }
367 
368  ret = dxva_get_decoder_guid(avctx, sctx->dxva2_service, &surface_format,
369  guid_count, guid_list, &device_guid);
370  CoTaskMemFree(guid_list);
371  if (ret < 0) {
372  goto fail;
373  }
374 
375  desc.SampleWidth = avctx->coded_width;
376  desc.SampleHeight = avctx->coded_height;
377  desc.Format = surface_format;
378 
379  ret = dxva2_get_decoder_configuration(avctx, &device_guid, &desc, &config);
380  if (ret < 0) {
381  goto fail;
382  }
383 
384  hr = IDirectXVideoDecoderService_CreateVideoDecoder(sctx->dxva2_service, &device_guid,
385  &desc, &config, frames_hwctx->surfaces,
386  frames_hwctx->nb_surfaces, &sctx->dxva2_decoder);
387  if (FAILED(hr)) {
388  av_log(avctx, AV_LOG_ERROR, "Failed to create DXVA2 video decoder\n");
389  goto fail;
390  }
391 
392  sctx->dxva2_config = config;
393 
394  sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->dxva2_decoder);
395  if (!sctx->decoder_ref)
396  return AVERROR(ENOMEM);
397 
398  return 0;
399 fail:
400  return AVERROR(EINVAL);
401 }
402 
403 #endif
404 
405 #if CONFIG_D3D11VA
406 
407 static int d3d11va_get_decoder_configuration(AVCodecContext *avctx,
408  ID3D11VideoDevice *video_device,
409  const D3D11_VIDEO_DECODER_DESC *desc,
410  D3D11_VIDEO_DECODER_CONFIG *config)
411 {
412  unsigned cfg_count = 0;
413  D3D11_VIDEO_DECODER_CONFIG *cfg_list = NULL;
414  HRESULT hr;
415  int i, ret;
416 
417  hr = ID3D11VideoDevice_GetVideoDecoderConfigCount(video_device, desc, &cfg_count);
418  if (FAILED(hr)) {
419  av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
420  return AVERROR(EINVAL);
421  }
422 
423  cfg_list = av_malloc_array(cfg_count, sizeof(D3D11_VIDEO_DECODER_CONFIG));
424  if (cfg_list == NULL)
425  return AVERROR(ENOMEM);
426  for (i = 0; i < cfg_count; i++) {
427  hr = ID3D11VideoDevice_GetVideoDecoderConfig(video_device, desc, i, &cfg_list[i]);
428  if (FAILED(hr)) {
429  av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations. (hr=0x%lX)\n", hr);
430  av_free(cfg_list);
431  return AVERROR(EINVAL);
432  }
433  }
434 
435  ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
436  if (ret >= 0)
437  *config = cfg_list[ret];
438  av_free(cfg_list);
439  return ret;
440 }
441 
442 static DXGI_FORMAT d3d11va_map_sw_to_hw_format(enum AVPixelFormat pix_fmt)
443 {
444  switch (pix_fmt) {
445  case AV_PIX_FMT_NV12: return DXGI_FORMAT_NV12;
446  case AV_PIX_FMT_P010: return DXGI_FORMAT_P010;
447  case AV_PIX_FMT_YUV420P: return DXGI_FORMAT_420_OPAQUE;
448  default: return DXGI_FORMAT_UNKNOWN;
449  }
450 }
451 
452 static int d3d11va_create_decoder(AVCodecContext *avctx)
453 {
455  GUID *guid_list;
456  unsigned guid_count, i;
457  GUID decoder_guid;
458  D3D11_VIDEO_DECODER_DESC desc = { 0 };
459  D3D11_VIDEO_DECODER_CONFIG config;
460  AVHWFramesContext *frames_ctx = (AVHWFramesContext *)avctx->hw_frames_ctx->data;
461  AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
462  AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx;
463  DXGI_FORMAT surface_format = d3d11va_map_sw_to_hw_format(frames_ctx->sw_format);
464  D3D11_TEXTURE2D_DESC texdesc;
465  HRESULT hr;
466  int ret;
467 
468  if (!frames_hwctx->texture) {
469  av_log(avctx, AV_LOG_ERROR, "AVD3D11VAFramesContext.texture not set.\n");
470  return AVERROR(EINVAL);
471  }
472  ID3D11Texture2D_GetDesc(frames_hwctx->texture, &texdesc);
473 
474  guid_count = ID3D11VideoDevice_GetVideoDecoderProfileCount(device_hwctx->video_device);
475  guid_list = av_malloc_array(guid_count, sizeof(*guid_list));
476  if (guid_list == NULL || guid_count == 0) {
477  av_log(avctx, AV_LOG_ERROR, "Failed to get the decoder GUIDs\n");
478  av_free(guid_list);
479  return AVERROR(EINVAL);
480  }
481  for (i = 0; i < guid_count; i++) {
482  hr = ID3D11VideoDevice_GetVideoDecoderProfile(device_hwctx->video_device, i, &guid_list[i]);
483  if (FAILED(hr)) {
484  av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder GUID %d\n", i);
485  av_free(guid_list);
486  return AVERROR(EINVAL);
487  }
488  }
489 
490  ret = dxva_get_decoder_guid(avctx, device_hwctx->video_device, &surface_format,
491  guid_count, guid_list, &decoder_guid);
492  av_free(guid_list);
493  if (ret < 0)
494  return AVERROR(EINVAL);
495 
496  desc.SampleWidth = avctx->coded_width;
497  desc.SampleHeight = avctx->coded_height;
498  desc.OutputFormat = surface_format;
499  desc.Guid = decoder_guid;
500 
501  ret = d3d11va_get_decoder_configuration(avctx, device_hwctx->video_device, &desc, &config);
502  if (ret < 0)
503  return AVERROR(EINVAL);
504 
505  sctx->d3d11_views = av_mallocz_array(texdesc.ArraySize, sizeof(sctx->d3d11_views[0]));
506  if (!sctx->d3d11_views)
507  return AVERROR(ENOMEM);
508  sctx->nb_d3d11_views = texdesc.ArraySize;
509 
510  for (i = 0; i < sctx->nb_d3d11_views; i++) {
511  D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc = {
512  .DecodeProfile = decoder_guid,
513  .ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D,
514  .Texture2D = {
515  .ArraySlice = i,
516  }
517  };
518  hr = ID3D11VideoDevice_CreateVideoDecoderOutputView(device_hwctx->video_device,
519  (ID3D11Resource*) frames_hwctx->texture,
520  &viewDesc,
521  (ID3D11VideoDecoderOutputView**) &sctx->d3d11_views[i]);
522  if (FAILED(hr)) {
523  av_log(avctx, AV_LOG_ERROR, "Could not create the decoder output view %d\n", i);
524  return AVERROR_UNKNOWN;
525  }
526  }
527 
528  hr = ID3D11VideoDevice_CreateVideoDecoder(device_hwctx->video_device, &desc,
529  &config, &sctx->d3d11_decoder);
530  if (FAILED(hr)) {
531  av_log(avctx, AV_LOG_ERROR, "Failed to create D3D11VA video decoder\n");
532  return AVERROR(EINVAL);
533  }
534 
535  sctx->d3d11_config = config;
536  sctx->d3d11_texture = frames_hwctx->texture;
537 
538  sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->d3d11_decoder);
539  if (!sctx->decoder_ref)
540  return AVERROR(ENOMEM);
541 
542  return 0;
543 }
544 
545 #endif
546 
547 static void ff_dxva2_lock(AVCodecContext *avctx)
548 {
549 #if CONFIG_D3D11VA
550  if (ff_dxva2_is_d3d11(avctx)) {
552  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
553  if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
554  WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
555  if (sctx->device_ctx) {
556  AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx;
557  hwctx->lock(hwctx->lock_ctx);
558  }
559  }
560 #endif
561 }
562 
563 static void ff_dxva2_unlock(AVCodecContext *avctx)
564 {
565 #if CONFIG_D3D11VA
566  if (ff_dxva2_is_d3d11(avctx)) {
568  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
569  if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
570  ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
571  if (sctx->device_ctx) {
572  AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx;
573  hwctx->unlock(hwctx->lock_ctx);
574  }
575  }
576 #endif
577 }
578 
579 // This must work before the decoder is created.
580 // This somehow needs to be exported to the user.
581 static void dxva_adjust_hwframes(AVCodecContext *avctx, AVHWFramesContext *frames_ctx)
582 {
584  int surface_alignment, num_surfaces;
585 
586  frames_ctx->format = sctx->pix_fmt;
587 
588  /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
589  but it causes issues for H.264 on certain AMD GPUs..... */
590  if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO)
591  surface_alignment = 32;
592  /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
593  all coding features have enough room to work with */
594  else if (avctx->codec_id == AV_CODEC_ID_HEVC)
595  surface_alignment = 128;
596  else
597  surface_alignment = 16;
598 
599  /* 4 base work surfaces */
600  num_surfaces = 4;
601 
602  /* add surfaces based on number of possible refs */
603  if (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_HEVC)
604  num_surfaces += 16;
605  else if (avctx->codec_id == AV_CODEC_ID_VP9)
606  num_surfaces += 8;
607  else
608  num_surfaces += 2;
609 
610  /* add extra surfaces for frame threading */
611  if (avctx->active_thread_type & FF_THREAD_FRAME)
612  num_surfaces += avctx->thread_count;
613 
614  frames_ctx->sw_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
616  frames_ctx->width = FFALIGN(avctx->coded_width, surface_alignment);
617  frames_ctx->height = FFALIGN(avctx->coded_height, surface_alignment);
618  frames_ctx->initial_pool_size = num_surfaces;
619 
620 
621 #if CONFIG_DXVA2
622  if (frames_ctx->format == AV_PIX_FMT_DXVA2_VLD) {
623  AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
624 
625  frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
626  }
627 #endif
628 
629 #if CONFIG_D3D11VA
630  if (frames_ctx->format == AV_PIX_FMT_D3D11) {
631  AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx;
632 
633  frames_hwctx->BindFlags |= D3D11_BIND_DECODER;
634  }
635 #endif
636 }
637 
639 {
641  AVHWFramesContext *frames_ctx = NULL;
642  int ret = 0;
643 
644  // Old API.
645  if (avctx->hwaccel_context)
646  return 0;
647 
648  // (avctx->pix_fmt is not updated yet at this point)
649  sctx->pix_fmt = avctx->hwaccel->pix_fmt;
650 
651  if (!avctx->hw_frames_ctx && !avctx->hw_device_ctx) {
652  av_log(avctx, AV_LOG_ERROR, "Either a hw_frames_ctx or a hw_device_ctx needs to be set for hardware decoding.\n");
653  return AVERROR(EINVAL);
654  }
655 
656  if (avctx->hw_frames_ctx) {
657  frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
658  } else {
660  if (!avctx->hw_frames_ctx)
661  return AVERROR(ENOMEM);
662 
663  frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
664 
665  dxva_adjust_hwframes(avctx, frames_ctx);
666 
667  ret = av_hwframe_ctx_init(avctx->hw_frames_ctx);
668  if (ret < 0)
669  goto fail;
670  }
671 
672  sctx->device_ctx = frames_ctx->device_ctx;
673 
674  if (frames_ctx->format != sctx->pix_fmt ||
675  !((sctx->pix_fmt == AV_PIX_FMT_D3D11 && CONFIG_D3D11VA) ||
676  (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && CONFIG_DXVA2))) {
677  av_log(avctx, AV_LOG_ERROR, "Invalid pixfmt for hwaccel!\n");
678  ret = AVERROR(EINVAL);
679  goto fail;
680  }
681 
682 #if CONFIG_D3D11VA
683  if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
684  AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
685  AVD3D11VAContext *d3d11_ctx = &sctx->ctx.d3d11va;
686 
687  ff_dxva2_lock(avctx);
688  ret = d3d11va_create_decoder(avctx);
689  ff_dxva2_unlock(avctx);
690  if (ret < 0)
691  goto fail;
692 
693  d3d11_ctx->decoder = sctx->d3d11_decoder;
694  d3d11_ctx->video_context = device_hwctx->video_context;
695  d3d11_ctx->cfg = &sctx->d3d11_config;
696  d3d11_ctx->surface_count = sctx->nb_d3d11_views;
697  d3d11_ctx->surface = sctx->d3d11_views;
698  d3d11_ctx->workaround = sctx->workaround;
699  d3d11_ctx->context_mutex = INVALID_HANDLE_VALUE;
700  }
701 #endif
702 
703 #if CONFIG_DXVA2
704  if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
705  AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
706  struct dxva_context *dxva_ctx = &sctx->ctx.dxva2;
707 
708  ff_dxva2_lock(avctx);
709  ret = dxva2_create_decoder(avctx);
710  ff_dxva2_unlock(avctx);
711  if (ret < 0)
712  goto fail;
713 
714  dxva_ctx->decoder = sctx->dxva2_decoder;
715  dxva_ctx->cfg = &sctx->dxva2_config;
716  dxva_ctx->surface = frames_hwctx->surfaces;
717  dxva_ctx->surface_count = frames_hwctx->nb_surfaces;
718  dxva_ctx->workaround = sctx->workaround;
719  }
720 #endif
721 
722  return 0;
723 
724 fail:
725  ff_dxva2_decode_uninit(avctx);
726  return ret;
727 }
728 
730 {
732  int i;
733 
735 
736 #if CONFIG_D3D11VA
737  for (i = 0; i < sctx->nb_d3d11_views; i++) {
738  if (sctx->d3d11_views[i])
739  ID3D11VideoDecoderOutputView_Release(sctx->d3d11_views[i]);
740  }
741  av_freep(&sctx->d3d11_views);
742 #endif
743 
744 #if CONFIG_DXVA2
745  if (sctx->dxva2_service)
746  IDirectXVideoDecoderService_Release(sctx->dxva2_service);
747 #endif
748 
749  return 0;
750 }
751 
752 static void *get_surface(const AVCodecContext *avctx, const AVFrame *frame)
753 {
754 #if CONFIG_D3D11VA
755  if (frame->format == AV_PIX_FMT_D3D11) {
757  intptr_t index = (intptr_t)frame->data[1];
758  if (index < 0 || index >= sctx->nb_d3d11_views ||
759  sctx->d3d11_texture != (ID3D11Texture2D *)frame->data[0]) {
760  av_log((void *)avctx, AV_LOG_ERROR, "get_buffer frame is invalid!\n");
761  return NULL;
762  }
763  return sctx->d3d11_views[index];
764  }
765 #endif
766  return frame->data[3];
767 }
768 
770  const AVDXVAContext *ctx,
771  const AVFrame *frame)
772 {
773  void *surface = get_surface(avctx, frame);
774  unsigned i;
775 
776 #if CONFIG_D3D11VA
777  if (avctx->pix_fmt == AV_PIX_FMT_D3D11)
778  return (intptr_t)frame->data[1];
779  if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
780  D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
781  ID3D11VideoDecoderOutputView_GetDesc((ID3D11VideoDecoderOutputView*) surface, &viewDesc);
782  return viewDesc.Texture2D.ArraySlice;
783  }
784 #endif
785 #if CONFIG_DXVA2
786  for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
787  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && ctx->dxva2.surface[i] == surface)
788  return i;
789  }
790 #endif
791 
792  assert(0);
793  return 0;
794 }
795 
798  DECODER_BUFFER_DESC *dsc,
799  unsigned type, const void *data, unsigned size,
800  unsigned mb_count)
801 {
802  void *dxva_data;
803  unsigned dxva_size;
804  int result;
805  HRESULT hr = 0;
806 
807 #if CONFIG_D3D11VA
808  if (ff_dxva2_is_d3d11(avctx))
809  hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
810  D3D11VA_CONTEXT(ctx)->decoder,
811  type,
812  &dxva_size, &dxva_data);
813 #endif
814 #if CONFIG_DXVA2
815  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
816  hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
817  &dxva_data, &dxva_size);
818 #endif
819  if (FAILED(hr)) {
820  av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%x\n",
821  type, (unsigned)hr);
822  return -1;
823  }
824  if (size <= dxva_size) {
825  memcpy(dxva_data, data, size);
826 
827 #if CONFIG_D3D11VA
828  if (ff_dxva2_is_d3d11(avctx)) {
829  D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc;
830  memset(dsc11, 0, sizeof(*dsc11));
831  dsc11->BufferType = type;
832  dsc11->DataSize = size;
833  dsc11->NumMBsInBuffer = mb_count;
834  }
835 #endif
836 #if CONFIG_DXVA2
837  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
838  DXVA2_DecodeBufferDesc *dsc2 = dsc;
839  memset(dsc2, 0, sizeof(*dsc2));
840  dsc2->CompressedBufferType = type;
841  dsc2->DataSize = size;
842  dsc2->NumMBsInBuffer = mb_count;
843  }
844 #endif
845 
846  result = 0;
847  } else {
848  av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type);
849  result = -1;
850  }
851 
852 #if CONFIG_D3D11VA
853  if (ff_dxva2_is_d3d11(avctx))
854  hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type);
855 #endif
856 #if CONFIG_DXVA2
857  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
858  hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
859 #endif
860  if (FAILED(hr)) {
861  av_log(avctx, AV_LOG_ERROR,
862  "Failed to release buffer type %u: 0x%x\n",
863  type, (unsigned)hr);
864  result = -1;
865  }
866  return result;
867 }
868 
870 {
871  int i;
872 
873  for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
874  if (!frame->buf[i]) {
875  frame->buf[i] = av_buffer_ref(ref);
876  return frame->buf[i] ? 0 : AVERROR(ENOMEM);
877  }
878  }
879 
880  // For now we expect that the caller does not use more than
881  // AV_NUM_DATA_POINTERS-1 buffers if the user uses a custom pool.
882  return AVERROR(EINVAL);
883 }
884 
886  const void *pp, unsigned pp_size,
887  const void *qm, unsigned qm_size,
888  int (*commit_bs_si)(AVCodecContext *,
890  DECODER_BUFFER_DESC *slice))
891 {
892  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
893  unsigned buffer_count = 0;
894 #if CONFIG_D3D11VA
895  D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4];
896 #endif
897 #if CONFIG_DXVA2
898  DXVA2_DecodeBufferDesc buffer2[4];
899 #endif
900  DECODER_BUFFER_DESC *buffer = NULL, *buffer_slice = NULL;
901  int result, runs = 0;
902  HRESULT hr;
903  unsigned type;
905 
906  if (sctx->decoder_ref) {
907  result = frame_add_buf(frame, sctx->decoder_ref);
908  if (result < 0)
909  return result;
910  }
911 
912  do {
913  ff_dxva2_lock(avctx);
914 #if CONFIG_D3D11VA
915  if (ff_dxva2_is_d3d11(avctx))
916  hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder,
917  get_surface(avctx, frame),
918  0, NULL);
919 #endif
920 #if CONFIG_DXVA2
921  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
922  hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
923  get_surface(avctx, frame),
924  NULL);
925 #endif
926  if (hr != E_PENDING || ++runs > 50)
927  break;
928  ff_dxva2_unlock(avctx);
929  av_usleep(2000);
930  } while(1);
931 
932  if (FAILED(hr)) {
933  av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%x\n", (unsigned)hr);
934  ff_dxva2_unlock(avctx);
935  return -1;
936  }
937 
938 #if CONFIG_D3D11VA
939  if (ff_dxva2_is_d3d11(avctx)) {
940  buffer = &buffer11[buffer_count];
941  type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
942  }
943 #endif
944 #if CONFIG_DXVA2
945  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
946  buffer = &buffer2[buffer_count];
947  type = DXVA2_PictureParametersBufferType;
948  }
949 #endif
950  result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
951  type,
952  pp, pp_size, 0);
953  if (result) {
954  av_log(avctx, AV_LOG_ERROR,
955  "Failed to add picture parameter buffer\n");
956  goto end;
957  }
958  buffer_count++;
959 
960  if (qm_size > 0) {
961 #if CONFIG_D3D11VA
962  if (ff_dxva2_is_d3d11(avctx)) {
963  buffer = &buffer11[buffer_count];
964  type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
965  }
966 #endif
967 #if CONFIG_DXVA2
968  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
969  buffer = &buffer2[buffer_count];
970  type = DXVA2_InverseQuantizationMatrixBufferType;
971  }
972 #endif
973  result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
974  type,
975  qm, qm_size, 0);
976  if (result) {
977  av_log(avctx, AV_LOG_ERROR,
978  "Failed to add inverse quantization matrix buffer\n");
979  goto end;
980  }
981  buffer_count++;
982  }
983 
984 #if CONFIG_D3D11VA
985  if (ff_dxva2_is_d3d11(avctx)) {
986  buffer = &buffer11[buffer_count + 0];
987  buffer_slice = &buffer11[buffer_count + 1];
988  }
989 #endif
990 #if CONFIG_DXVA2
991  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
992  buffer = &buffer2[buffer_count + 0];
993  buffer_slice = &buffer2[buffer_count + 1];
994  }
995 #endif
996 
997  result = commit_bs_si(avctx,
998  buffer,
999  buffer_slice);
1000  if (result) {
1001  av_log(avctx, AV_LOG_ERROR,
1002  "Failed to add bitstream or slice control buffer\n");
1003  goto end;
1004  }
1005  buffer_count += 2;
1006 
1007  /* TODO Film Grain when possible */
1008 
1009  assert(buffer_count == 1 + (qm_size > 0) + 2);
1010 
1011 #if CONFIG_D3D11VA
1012  if (ff_dxva2_is_d3d11(avctx))
1013  hr = ID3D11VideoContext_SubmitDecoderBuffers(D3D11VA_CONTEXT(ctx)->video_context,
1014  D3D11VA_CONTEXT(ctx)->decoder,
1015  buffer_count, buffer11);
1016 #endif
1017 #if CONFIG_DXVA2
1018  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
1019  DXVA2_DecodeExecuteParams exec = {
1020  .NumCompBuffers = buffer_count,
1021  .pCompressedBuffers = buffer2,
1022  .pExtensionData = NULL,
1023  };
1024  hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
1025  }
1026 #endif
1027  if (FAILED(hr)) {
1028  av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%x\n", (unsigned)hr);
1029  result = -1;
1030  }
1031 
1032 end:
1033 #if CONFIG_D3D11VA
1034  if (ff_dxva2_is_d3d11(avctx))
1035  hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
1036 #endif
1037 #if CONFIG_DXVA2
1038  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
1039  hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
1040 #endif
1041  ff_dxva2_unlock(avctx);
1042  if (FAILED(hr)) {
1043  av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%x\n", (unsigned)hr);
1044  result = -1;
1045  }
1046 
1047  return result;
1048 }
1049 
1051 {
1052  if (CONFIG_D3D11VA)
1053  return avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD ||
1054  avctx->pix_fmt == AV_PIX_FMT_D3D11;
1055  else
1056  return 0;
1057 }
#define FF_PROFILE_H264_MAIN
Definition: avcodec.h:3290
uint32_t BOOL
#define NULL
Definition: coverity.c:32
This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWA...
Definition: d3d11va.h:59
static enum AVPixelFormat pix_fmt
#define AV_NUM_DATA_POINTERS
Definition: frame.h:202
#define FF_PROFILE_MPEG2_MAIN
Definition: avcodec.h:3282
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
Definition: buffer.c:125
This structure describes decoded (raw) audio or video data.
Definition: frame.h:201
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1948
DEFINE_GUID(ff_DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28, 0x4e65, 0xbe, 0xea, 0x1d, 0x26, 0xb5, 0x08, 0xad, 0xc9)
static int dxva_get_decoder_guid(AVCodecContext *avctx, void *service, void *surface_format, unsigned guid_count, const GUID *guid_list, GUID *decoder_guid)
Definition: dxva2.c:247
This struct is allocated as AVHWFramesContext.hwctx.
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:393
const char * desc
Definition: nvenc.c:60
static FFServerConfig config
Definition: ffserver.c:193
enum AVPixelFormat pix_fmt
Supported pixel format.
Definition: avcodec.h:3877
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:225
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1974
enum AVPixelFormat format
The pixel format identifying the underlying HW surface type.
Definition: hwcontext.h:205
static void * get_surface(const AVCodecContext *avctx, const AVFrame *frame)
Definition: dxva2.c:752
static void dxva_adjust_hwframes(AVCodecContext *avctx, AVHWFramesContext *frames_ctx)
Definition: dxva2.c:581
LPDIRECT3DSURFACE9 * surface
The array of Direct3D surfaces used to create the decoder.
Definition: dxva2.h:76
int av_usleep(unsigned usec)
Sleep for a period of time.
Definition: time.c:84
int profile
profile
Definition: avcodec.h:3249
#define D3D11VA_CONTEXT(ctx)
const DXVA2_ConfigPictureDecode * cfg
DXVA2 configuration used to create the decoder.
Definition: dxva2.h:66
UINT BindFlags
D3D11_TEXTURE2D_DESC.BindFlags used for texture creation.
unsigned surface_count
The number of surface in the surface array.
Definition: dxva2.h:71
const int * profiles
Definition: dxva2.c:55
#define AV_PIX_FMT_P010
Definition: pixfmt.h:417
struct AVHWAccel * hwaccel
Hardware accelerator in use.
Definition: avcodec.h:3066
int ff_dxva2_decode_uninit(AVCodecContext *avctx)
Definition: dxva2.c:729
uint8_t
static const dxva_mode dxva_modes[]
Definition: dxva2.c:70
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:3078
HANDLE context_mutex
Mutex to access video_context.
Definition: d3d11va.h:98
ID3D11VideoDecoder * decoder
D3D11 decoder object.
Definition: d3d11va.h:63
DWORD surface_type
The surface type (e.g.
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame, const void *pp, unsigned pp_size, const void *qm, unsigned qm_size, int(*commit_bs_si)(AVCodecContext *, DECODER_BUFFER_DESC *bs, DECODER_BUFFER_DESC *slice))
Definition: dxva2.c:885
#define FF_PROFILE_HEVC_MAIN
Definition: avcodec.h:3337
#define DXVA_SHARED_CONTEXT(avctx)
static void ff_dxva2_lock(AVCodecContext *avctx)
Definition: dxva2.c:547
static AVFrame * frame
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:88
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
ptrdiff_t size
Definition: opengl_enc.c:101
#define FF_PROFILE_HEVC_MAIN_10
Definition: avcodec.h:3338
#define FFALIGN(x, a)
Definition: macros.h:48
#define av_log(a,...)
uint64_t workaround
A bit field configuring the workarounds needed for using the decoder.
Definition: dxva2.h:81
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:214
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
#define AVERROR(e)
Definition: error.h:43
D3D11_VIDEO_DECODER_CONFIG * cfg
D3D11 configuration used to create the decoder.
Definition: d3d11va.h:73
#define FALSE
Definition: windows2linux.h:37
int active_thread_type
Which multithreading methods are in use by the codec.
Definition: avcodec.h:3194
static AVBufferRef * bufref_wrap_interface(IUnknown *iface)
Definition: dxva2.c:299
int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
Definition: dxva2.c:1050
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:3292
#define DXVA2_CONTEXT(ctx)
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:90
AVBufferRef * av_buffer_create(uint8_t *data, int size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
Definition: buffer.c:28
int av_hwframe_ctx_init(AVBufferRef *ref)
Finalize the context before use.
Definition: hwcontext.c:319
static const int prof_hevc_main10[]
Definition: dxva2.c:67
static void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.h:229
#define fail()
Definition: checkasm.h:98
ID3D11VideoContext * video_context
If unset, this will be set from the device_context field on init.
int initial_pool_size
Initial size of the frame pool.
Definition: hwcontext.h:195
static void ff_dxva2_unlock(AVCodecContext *avctx)
Definition: dxva2.c:563
#define FF_THREAD_FRAME
Decode more than one frame at once.
Definition: avcodec.h:3186
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:145
static const chunk_decoder decoder[8]
Definition: dfa.c:328
PVOID HANDLE
#define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO
Work around for Direct3D11 and old Intel GPUs with ClearVideo interface.
Definition: d3d11va.h:49
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames...
Definition: avcodec.h:3599
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:3250
static void bufref_free_interface(void *opaque, uint8_t *data)
Definition: dxva2.c:294
unsigned surface_count
The number of surface in the surface array.
Definition: d3d11va.h:78
ID3D11VideoContext * video_context
D3D11 VideoContext.
Definition: d3d11va.h:68
AVFormatContext * ctx
Definition: movenc.c:48
static int dxva_get_decoder_configuration(AVCodecContext *avctx, const void *cfg_list, unsigned cfg_count)
Definition: dxva2.c:97
int ff_dxva2_decode_init(AVCodecContext *avctx)
Definition: dxva2.c:638
AVHWDeviceContext * device_ctx
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:219
enum AVPixelFormat pix_fmt
#define FF_ARRAY_ELEMS(a)
int thread_count
thread count is used to decide how many independent tasks should be passed to execute() ...
Definition: avcodec.h:3175
static int dxva_check_codec_compatibility(AVCodecContext *avctx, const dxva_mode *mode)
Definition: dxva2.c:182
static const int prof_h264_high[]
Definition: dxva2.c:61
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:274
void(* unlock)(void *lock_ctx)
Libavcodec external API header.
enum AVCodecID codec_id
Definition: avcodec.h:1763
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *ctx, const AVFrame *frame)
Definition: dxva2.c:769
static int is_supported(enum AVCodecID id)
Definition: rtpenc.c:49
main external API structure.
Definition: avcodec.h:1746
uint8_t * data
The data buffer.
Definition: buffer.h:89
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:158
int ff_dxva2_commit_buffer(AVCodecContext *avctx, AVDXVAContext *ctx, DECODER_BUFFER_DESC *dsc, unsigned type, const void *data, unsigned size, unsigned mb_count)
Definition: dxva2.c:796
GLint GLenum type
Definition: opengl_enc.c:105
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:372
int coded_height
Definition: avcodec.h:1948
static const char * format
Definition: movenc.c:47
static const int prof_mpeg2_main[]
Definition: dxva2.c:58
int index
Definition: gxfenc.c:89
uint64_t workaround
A bit field configuring the workarounds needed for using the decoder.
Definition: d3d11va.h:88
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:120
const GUID * guid
Definition: dxva2.c:51
void DECODER_BUFFER_DESC
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer. ...
Definition: pixfmt.h:148
This struct is allocated as AVHWFramesContext.hwctx.
AVBufferRef * decoder_ref
DWORD HRESULT
#define FAILED(hr)
Definition: windows2linux.h:48
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:215
Hardware surfaces for Direct3D11.
Definition: pixfmt.h:327
#define SUCCEEDED(hr)
Definition: windows2linux.h:49
A reference to a data buffer.
Definition: buffer.h:81
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
AVDXVAContext ctx
common internal and external API header
if(ret< 0)
Definition: vf_mcdeint.c:282
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
AVBufferRef * av_hwframe_ctx_alloc(AVBufferRef *device_ref_in)
Allocate an AVHWFramesContext tied to a given device context.
Definition: hwcontext.c:233
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
ID3D11VideoDecoderOutputView ** surface
The array of Direct3D surfaces used to create the decoder.
Definition: d3d11va.h:83
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
IDirect3DSurface9 ** surfaces
The surface pool.
static int frame_add_buf(AVFrame *frame, AVBufferRef *ref)
Definition: dxva2.c:869
This struct is allocated as AVHWDeviceContext.hwctx.
#define av_free(p)
static void dxva_list_guids_debug(AVCodecContext *avctx, void *service, unsigned guid_count, const GUID *guid_list)
Definition: dxva2.c:202
#define FF_PROFILE_MPEG2_SIMPLE
Definition: avcodec.h:3283
#define DXVA_CONTEXT(avctx)
static const int prof_hevc_main[]
Definition: dxva2.c:65
This struct is allocated as AVHWDeviceContext.hwctx.
void(* lock)(void *lock_ctx)
Callbacks for locking.
#define av_freep(p)
unsigned int UINT
#define AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH
Hardware acceleration should still be attempted for decoding when the codec profile does not match th...
Definition: avcodec.h:4017
int hwaccel_flags
Bit set of AV_HWACCEL_FLAG_* flags, which affect hardware accelerated decoding (if active)...
Definition: avcodec.h:3660
HW decoding through Direct3D11 via old API, Picture.data[3] contains a ID3D11VideoDecoderOutputView p...
Definition: pixfmt.h:243
IDirectXVideoDecoder * decoder
DXVA2 decoder object.
Definition: dxva2.h:61
#define av_malloc_array(a, b)
#define INVALID_HANDLE_VALUE
Definition: windows2linux.h:47
formats
Definition: signature.h:48
#define FF_PROFILE_H264_CONSTRAINED_BASELINE
Definition: avcodec.h:3289
#define MKTAG(a, b, c, d)
Definition: common.h:342
AVBufferRef * hw_device_ctx
A reference to the AVHWDeviceContext describing the device which will be used by a hardware encoder/d...
Definition: avcodec.h:3651
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Definition: hwcontext.h:218
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
mode
Use these values in ebur128_init (or'ed).
Definition: ebur128.h:83
enum AVCodecID codec
Definition: dxva2.c:52
enum AVPixelFormat sw_pix_fmt
Nominal unaccelerated pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:3450
GLuint buffer
Definition: opengl_enc.c:102
This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel ...
Definition: dxva2.h:57