FFmpeg: libavcodec/dxva2.c Source File

FFmpeg
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 "decode.h"
33 #include "dxva2_internal.h"
34 
35 /* define all the GUIDs used directly here,
36  to avoid problems with inconsistent dxva2api.h versions in mingw-w64 and different MSVC version */
37 DEFINE_GUID(ff_DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28,0x4e65,0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9);
38 DEFINE_GUID(ff_DXVA2_ModeMPEG2and1_VLD, 0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60);
39 DEFINE_GUID(ff_DXVA2_ModeH264_E, 0x1b81be68, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
40 DEFINE_GUID(ff_DXVA2_ModeH264_F, 0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
41 DEFINE_GUID(ff_DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
42 DEFINE_GUID(ff_DXVA2_ModeVC1_D, 0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
43 DEFINE_GUID(ff_DXVA2_ModeVC1_D2010, 0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
44 DEFINE_GUID(ff_DXVA2_ModeHEVC_VLD_Main, 0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0);
45 DEFINE_GUID(ff_DXVA2_ModeHEVC_VLD_Main10,0x107af0e0, 0xef1a,0x4d19,0xab,0xa8,0x67,0xa1,0x63,0x07,0x3d,0x13);
46 DEFINE_GUID(ff_DXVA2_ModeVP9_VLD_Profile0,0x463707f8,0xa1d0,0x4585,0x87,0x6d,0x83,0xaa,0x6d,0x60,0xb8,0x9e);
47 DEFINE_GUID(ff_DXVA2_ModeVP9_VLD_10bit_Profile2,0xa4c749ef,0x6ecf,0x48aa,0x84,0x48,0x50,0xa7,0xa1,0x16,0x5f,0xf7);
48 DEFINE_GUID(ff_DXVA2_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
49 DEFINE_GUID(ff_GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
50 DEFINE_GUID(ff_IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
51 
52  typedef struct dxva_mode {
53   const GUID *guid;
54   enum AVCodecID codec;
55  // List of supported profiles, terminated by a FF_PROFILE_UNKNOWN entry.
56  // If NULL, don't check profile.
57   const int *profiles;
58 } dxva_mode;
59 
60  static const int prof_mpeg2_main[] = {FF_PROFILE_MPEG2_SIMPLE,
61  FF_PROFILE_MPEG2_MAIN,
62  FF_PROFILE_UNKNOWN};
63  static const int prof_h264_high[] = {FF_PROFILE_H264_CONSTRAINED_BASELINE,
64  FF_PROFILE_H264_MAIN,
65  FF_PROFILE_H264_HIGH,
66  FF_PROFILE_UNKNOWN};
67  static const int prof_hevc_main[] = {FF_PROFILE_HEVC_MAIN,
68  FF_PROFILE_UNKNOWN};
69  static const int prof_hevc_main10[] = {FF_PROFILE_HEVC_MAIN_10,
70  FF_PROFILE_UNKNOWN};
71  static const int prof_vp9_profile0[] = {FF_PROFILE_VP9_0,
72  FF_PROFILE_UNKNOWN};
73  static const int prof_vp9_profile2[] = {FF_PROFILE_VP9_2,
74  FF_PROFILE_UNKNOWN};
75 
76  static const dxva_mode dxva_modes[] = {
77  /* MPEG-2 */
78  { &ff_DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
79  { &ff_DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
80 
81  /* H.264 */
82  { &ff_DXVA2_ModeH264_F, AV_CODEC_ID_H264, prof_h264_high },
83  { &ff_DXVA2_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high },
84  /* Intel specific H.264 mode */
85  { &ff_DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high },
86 
87  /* VC-1 / WMV3 */
88  { &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 },
89  { &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 },
90  { &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 },
91  { &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 },
92 
93  /* HEVC/H.265 */
94  { &ff_DXVA2_ModeHEVC_VLD_Main10, AV_CODEC_ID_HEVC, prof_hevc_main10 },
95  { &ff_DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC, prof_hevc_main },
96 
97  /* VP8/9 */
98  { &ff_DXVA2_ModeVP9_VLD_Profile0, AV_CODEC_ID_VP9, prof_vp9_profile0 },
99  { &ff_DXVA2_ModeVP9_VLD_10bit_Profile2, AV_CODEC_ID_VP9, prof_vp9_profile2 },
100 
101  { NULL, 0 },
102 };
103 
104  static int dxva_get_decoder_configuration(AVCodecContext *avctx,
105  const void *cfg_list,
106  unsigned cfg_count)
107 {
108  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
109  unsigned i, best_score = 0;
110  int best_cfg = -1;
111 
112  for (i = 0; i < cfg_count; i++) {
113  unsigned score;
114  UINT ConfigBitstreamRaw;
115  GUID guidConfigBitstreamEncryption;
116 
117 #if CONFIG_D3D11VA
118  if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
119  D3D11_VIDEO_DECODER_CONFIG *cfg = &((D3D11_VIDEO_DECODER_CONFIG *)cfg_list)[i];
120  ConfigBitstreamRaw = cfg->ConfigBitstreamRaw;
121  guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption;
122  }
123 #endif
124 #if CONFIG_DXVA2
125  if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
126  DXVA2_ConfigPictureDecode *cfg = &((DXVA2_ConfigPictureDecode *)cfg_list)[i];
127  ConfigBitstreamRaw = cfg->ConfigBitstreamRaw;
128  guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption;
129  }
130 #endif
131 
132  if (ConfigBitstreamRaw == 1)
133  score = 1;
134  else if (avctx->codec_id == AV_CODEC_ID_H264 && ConfigBitstreamRaw == 2)
135  score = 2;
136  else
137  continue;
138  if (IsEqualGUID(&guidConfigBitstreamEncryption, &ff_DXVA2_NoEncrypt))
139  score += 16;
140  if (score > best_score) {
141  best_score = score;
142  best_cfg = i;
143  }
144  }
145 
146  if (!best_score) {
147  av_log(avctx, AV_LOG_VERBOSE, "No valid decoder configuration available\n");
148  return AVERROR(EINVAL);
149  }
150 
151  return best_cfg;
152 }
153 
154 #if CONFIG_D3D11VA
155 static int d3d11va_validate_output(void *service, GUID guid, const void *surface_format)
156 {
157  HRESULT hr;
158  BOOL is_supported = FALSE;
159  hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice *)service,
160  &guid,
161  *(DXGI_FORMAT *)surface_format,
162  &is_supported);
163  return SUCCEEDED(hr) && is_supported;
164 }
165 #endif
166 
167 #if CONFIG_DXVA2
168 static int dxva2_validate_output(void *decoder_service, GUID guid, const void *surface_format)
169 {
170  HRESULT hr;
171  int ret = 0;
172  unsigned j, target_count;
173  D3DFORMAT *target_list;
174  hr = IDirectXVideoDecoderService_GetDecoderRenderTargets((IDirectXVideoDecoderService *)decoder_service, &guid, &target_count, &target_list);
175  if (SUCCEEDED(hr)) {
176  for (j = 0; j < target_count; j++) {
177  const D3DFORMAT format = target_list[j];
178  if (format == *(D3DFORMAT *)surface_format) {
179  ret = 1;
180  break;
181  }
182  }
183  CoTaskMemFree(target_list);
184  }
185  return ret;
186 }
187 #endif
188 
189  static int dxva_check_codec_compatibility(AVCodecContext *avctx, const dxva_mode *mode)
190 {
191  if (mode->codec != avctx->codec_id)
192  return 0;
193 
194  if (mode->profiles && !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
195  int i, found = 0;
196  for (i = 0; mode->profiles[i] != FF_PROFILE_UNKNOWN; i++) {
197  if (avctx->profile == mode->profiles[i]) {
198  found = 1;
199  break;
200  }
201  }
202  if (!found)
203  return 0;
204  }
205 
206  return 1;
207 }
208 
209  static void dxva_list_guids_debug(AVCodecContext *avctx, void *service,
210  unsigned guid_count, const GUID *guid_list)
211 {
212  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
213  int i;
214 
215  av_log(avctx, AV_LOG_VERBOSE, "Decoder GUIDs reported as supported:\n");
216 
217  for (i = 0; i < guid_count; i++) {
218  const GUID *guid = &guid_list[i];
219 
220  av_log(avctx, AV_LOG_VERBOSE,
221  "{%8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x}",
222  (unsigned) guid->Data1, guid->Data2, guid->Data3,
223  guid->Data4[0], guid->Data4[1],
224  guid->Data4[2], guid->Data4[3],
225  guid->Data4[4], guid->Data4[5],
226  guid->Data4[6], guid->Data4[7]);
227 
228 #if CONFIG_D3D11VA
229  if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
230  DXGI_FORMAT format;
231  // We don't know the maximum valid DXGI_FORMAT, so use 200 as
232  // arbitrary upper bound (that could become outdated).
233  for (format = 0; format < 200; format++) {
234  if (d3d11va_validate_output(service, *guid, &format))
235  av_log(avctx, AV_LOG_VERBOSE, " %d", (int)format);
236  }
237  }
238 #endif
239 #if CONFIG_DXVA2
240  if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
241  const D3DFORMAT formats[] = {MKTAG('N', 'V', '1', '2'),
242  MKTAG('P', '0', '1', '0')};
243  int i;
244  for (i = 0; i < FF_ARRAY_ELEMS(formats); i++) {
245  if (dxva2_validate_output(service, *guid, &formats[i]))
246  av_log(avctx, AV_LOG_VERBOSE, " %d", i);
247  }
248  }
249 #endif
250  av_log(avctx, AV_LOG_VERBOSE, "\n");
251  }
252 }
253 
254  static int dxva_get_decoder_guid(AVCodecContext *avctx, void *service, void *surface_format,
255  unsigned guid_count, const GUID *guid_list, GUID *decoder_guid)
256 {
257  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
258  unsigned i, j;
259 
260  dxva_list_guids_debug(avctx, service, guid_count, guid_list);
261 
262  *decoder_guid = ff_GUID_NULL;
263  for (i = 0; dxva_modes[i].guid; i++) {
264  const dxva_mode *mode = &dxva_modes[i];
265  int validate;
266  if (!dxva_check_codec_compatibility(avctx, mode))
267  continue;
268 
269  for (j = 0; j < guid_count; j++) {
270  if (IsEqualGUID(mode->guid, &guid_list[j]))
271  break;
272  }
273  if (j == guid_count)
274  continue;
275 
276 #if CONFIG_D3D11VA
277  if (sctx->pix_fmt == AV_PIX_FMT_D3D11)
278  validate = d3d11va_validate_output(service, *mode->guid, surface_format);
279 #endif
280 #if CONFIG_DXVA2
281  if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
282  validate = dxva2_validate_output(service, *mode->guid, surface_format);
283 #endif
284  if (validate) {
285  *decoder_guid = *mode->guid;
286  break;
287  }
288  }
289 
290  if (IsEqualGUID(decoder_guid, &ff_GUID_NULL)) {
291  av_log(avctx, AV_LOG_VERBOSE, "No decoder device for codec found\n");
292  return AVERROR(EINVAL);
293  }
294 
295  if (IsEqualGUID(decoder_guid, &ff_DXVADDI_Intel_ModeH264_E))
296  sctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
297 
298  return 0;
299 }
300 
301  static void bufref_free_interface(void *opaque, uint8_t *data)
302 {
303  IUnknown_Release((IUnknown *)opaque);
304 }
305 
306  static AVBufferRef *bufref_wrap_interface(IUnknown *iface)
307 {
308  return av_buffer_create((uint8_t*)iface, 1, bufref_free_interface, iface, 0);
309 }
310 
311 #if CONFIG_DXVA2
312 
313 static int dxva2_get_decoder_configuration(AVCodecContext *avctx, const GUID *device_guid,
314  const DXVA2_VideoDesc *desc,
315  DXVA2_ConfigPictureDecode *config)
316 {
317  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
318  unsigned cfg_count;
319  DXVA2_ConfigPictureDecode *cfg_list;
320  HRESULT hr;
321  int ret;
322 
323  hr = IDirectXVideoDecoderService_GetDecoderConfigurations(sctx->dxva2_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
324  if (FAILED(hr)) {
325  av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
326  return AVERROR(EINVAL);
327  }
328 
329  ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
330  if (ret >= 0)
331  *config = cfg_list[ret];
332  CoTaskMemFree(cfg_list);
333  return ret;
334 }
335 
336 static int dxva2_create_decoder(AVCodecContext *avctx)
337 {
338  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
339  GUID *guid_list;
340  unsigned guid_count;
341  GUID device_guid;
342  D3DFORMAT surface_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
343  MKTAG('P', '0', '1', '0') : MKTAG('N', 'V', '1', '2');
344  DXVA2_VideoDesc desc = { 0 };
345  DXVA2_ConfigPictureDecode config;
346  HRESULT hr;
347  int ret;
348  HANDLE device_handle;
349  AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
350  AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
351  AVDXVA2DeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
352 
353  hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
354  &device_handle);
355  if (FAILED(hr)) {
356  av_log(avctx, AV_LOG_ERROR, "Failed to open a device handle\n");
357  goto fail;
358  }
359 
360  hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle,
361  &ff_IID_IDirectXVideoDecoderService,
362  (void **)&sctx->dxva2_service);
363  IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle);
364  if (FAILED(hr)) {
365  av_log(avctx, AV_LOG_ERROR, "Failed to create IDirectXVideoDecoderService\n");
366  goto fail;
367  }
368 
369  hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(sctx->dxva2_service, &guid_count, &guid_list);
370  if (FAILED(hr)) {
371  av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder device GUIDs\n");
372  goto fail;
373  }
374 
375  ret = dxva_get_decoder_guid(avctx, sctx->dxva2_service, &surface_format,
376  guid_count, guid_list, &device_guid);
377  CoTaskMemFree(guid_list);
378  if (ret < 0) {
379  goto fail;
380  }
381 
382  desc.SampleWidth = avctx->coded_width;
383  desc.SampleHeight = avctx->coded_height;
384  desc.Format = surface_format;
385 
386  ret = dxva2_get_decoder_configuration(avctx, &device_guid, &desc, &config);
387  if (ret < 0) {
388  goto fail;
389  }
390 
391  hr = IDirectXVideoDecoderService_CreateVideoDecoder(sctx->dxva2_service, &device_guid,
392  &desc, &config, frames_hwctx->surfaces,
393  frames_hwctx->nb_surfaces, &sctx->dxva2_decoder);
394  if (FAILED(hr)) {
395  av_log(avctx, AV_LOG_ERROR, "Failed to create DXVA2 video decoder\n");
396  goto fail;
397  }
398 
399  sctx->dxva2_config = config;
400 
401  sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->dxva2_decoder);
402  if (!sctx->decoder_ref)
403  return AVERROR(ENOMEM);
404 
405  return 0;
406 fail:
407  return AVERROR(EINVAL);
408 }
409 
410 #endif
411 
412 #if CONFIG_D3D11VA
413 
414 static int d3d11va_get_decoder_configuration(AVCodecContext *avctx,
415  ID3D11VideoDevice *video_device,
416  const D3D11_VIDEO_DECODER_DESC *desc,
417  D3D11_VIDEO_DECODER_CONFIG *config)
418 {
419  unsigned cfg_count = 0;
420  D3D11_VIDEO_DECODER_CONFIG *cfg_list = NULL;
421  HRESULT hr;
422  int i, ret;
423 
424  hr = ID3D11VideoDevice_GetVideoDecoderConfigCount(video_device, desc, &cfg_count);
425  if (FAILED(hr)) {
426  av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
427  return AVERROR(EINVAL);
428  }
429 
430  cfg_list = av_malloc_array(cfg_count, sizeof(D3D11_VIDEO_DECODER_CONFIG));
431  if (cfg_list == NULL)
432  return AVERROR(ENOMEM);
433  for (i = 0; i < cfg_count; i++) {
434  hr = ID3D11VideoDevice_GetVideoDecoderConfig(video_device, desc, i, &cfg_list[i]);
435  if (FAILED(hr)) {
436  av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations. (hr=0x%lX)\n", hr);
437  av_free(cfg_list);
438  return AVERROR(EINVAL);
439  }
440  }
441 
442  ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
443  if (ret >= 0)
444  *config = cfg_list[ret];
445  av_free(cfg_list);
446  return ret;
447 }
448 
449 static DXGI_FORMAT d3d11va_map_sw_to_hw_format(enum AVPixelFormat pix_fmt)
450 {
451  switch (pix_fmt) {
452  case AV_PIX_FMT_NV12: return DXGI_FORMAT_NV12;
453  case AV_PIX_FMT_P010: return DXGI_FORMAT_P010;
454  case AV_PIX_FMT_YUV420P: return DXGI_FORMAT_420_OPAQUE;
455  default: return DXGI_FORMAT_UNKNOWN;
456  }
457 }
458 
459 static int d3d11va_create_decoder(AVCodecContext *avctx)
460 {
461  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
462  GUID *guid_list;
463  unsigned guid_count, i;
464  GUID decoder_guid;
465  D3D11_VIDEO_DECODER_DESC desc = { 0 };
466  D3D11_VIDEO_DECODER_CONFIG config;
467  AVHWFramesContext *frames_ctx = (AVHWFramesContext *)avctx->hw_frames_ctx->data;
468  AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
469  AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx;
470  DXGI_FORMAT surface_format = d3d11va_map_sw_to_hw_format(frames_ctx->sw_format);
471  D3D11_TEXTURE2D_DESC texdesc;
472  HRESULT hr;
473  int ret;
474 
475  if (!frames_hwctx->texture) {
476  av_log(avctx, AV_LOG_ERROR, "AVD3D11VAFramesContext.texture not set.\n");
477  return AVERROR(EINVAL);
478  }
479  ID3D11Texture2D_GetDesc(frames_hwctx->texture, &texdesc);
480 
481  guid_count = ID3D11VideoDevice_GetVideoDecoderProfileCount(device_hwctx->video_device);
482  guid_list = av_malloc_array(guid_count, sizeof(*guid_list));
483  if (guid_list == NULL || guid_count == 0) {
484  av_log(avctx, AV_LOG_ERROR, "Failed to get the decoder GUIDs\n");
485  av_free(guid_list);
486  return AVERROR(EINVAL);
487  }
488  for (i = 0; i < guid_count; i++) {
489  hr = ID3D11VideoDevice_GetVideoDecoderProfile(device_hwctx->video_device, i, &guid_list[i]);
490  if (FAILED(hr)) {
491  av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder GUID %d\n", i);
492  av_free(guid_list);
493  return AVERROR(EINVAL);
494  }
495  }
496 
497  ret = dxva_get_decoder_guid(avctx, device_hwctx->video_device, &surface_format,
498  guid_count, guid_list, &decoder_guid);
499  av_free(guid_list);
500  if (ret < 0)
501  return AVERROR(EINVAL);
502 
503  desc.SampleWidth = avctx->coded_width;
504  desc.SampleHeight = avctx->coded_height;
505  desc.OutputFormat = surface_format;
506  desc.Guid = decoder_guid;
507 
508  ret = d3d11va_get_decoder_configuration(avctx, device_hwctx->video_device, &desc, &config);
509  if (ret < 0)
510  return AVERROR(EINVAL);
511 
512  sctx->d3d11_views = av_mallocz_array(texdesc.ArraySize, sizeof(sctx->d3d11_views[0]));
513  if (!sctx->d3d11_views)
514  return AVERROR(ENOMEM);
515  sctx->nb_d3d11_views = texdesc.ArraySize;
516 
517  for (i = 0; i < sctx->nb_d3d11_views; i++) {
518  D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc = {
519  .DecodeProfile = decoder_guid,
520  .ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D,
521  .Texture2D = {
522  .ArraySlice = i,
523  }
524  };
525  hr = ID3D11VideoDevice_CreateVideoDecoderOutputView(device_hwctx->video_device,
526  (ID3D11Resource*) frames_hwctx->texture,
527  &viewDesc,
528  (ID3D11VideoDecoderOutputView**) &sctx->d3d11_views[i]);
529  if (FAILED(hr)) {
530  av_log(avctx, AV_LOG_ERROR, "Could not create the decoder output view %d\n", i);
531  return AVERROR_UNKNOWN;
532  }
533  }
534 
535  hr = ID3D11VideoDevice_CreateVideoDecoder(device_hwctx->video_device, &desc,
536  &config, &sctx->d3d11_decoder);
537  if (FAILED(hr)) {
538  av_log(avctx, AV_LOG_ERROR, "Failed to create D3D11VA video decoder\n");
539  return AVERROR(EINVAL);
540  }
541 
542  sctx->d3d11_config = config;
543  sctx->d3d11_texture = frames_hwctx->texture;
544 
545  sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->d3d11_decoder);
546  if (!sctx->decoder_ref)
547  return AVERROR(ENOMEM);
548 
549  return 0;
550 }
551 
552 #endif
553 
554  static void ff_dxva2_lock(AVCodecContext *avctx)
555 {
556 #if CONFIG_D3D11VA
557  if (ff_dxva2_is_d3d11(avctx)) {
558  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
559  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
560  if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
561  WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
562  if (sctx->device_ctx) {
563  AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx;
564  hwctx->lock(hwctx->lock_ctx);
565  }
566  }
567 #endif
568 }
569 
570  static void ff_dxva2_unlock(AVCodecContext *avctx)
571 {
572 #if CONFIG_D3D11VA
573  if (ff_dxva2_is_d3d11(avctx)) {
574  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
575  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
576  if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
577  ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
578  if (sctx->device_ctx) {
579  AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx;
580  hwctx->unlock(hwctx->lock_ctx);
581  }
582  }
583 #endif
584 }
585 
586  int ff_dxva2_common_frame_params(AVCodecContext *avctx,
587  AVBufferRef *hw_frames_ctx)
588 {
589  AVHWFramesContext *frames_ctx = (AVHWFramesContext *)hw_frames_ctx->data;
590  AVHWDeviceContext *device_ctx = frames_ctx->device_ctx;
591  int surface_alignment, num_surfaces;
592 
593  if (device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) {
594  frames_ctx->format = AV_PIX_FMT_DXVA2_VLD;
595  } else if (device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
596  frames_ctx->format = AV_PIX_FMT_D3D11;
597  } else {
598  return AVERROR(EINVAL);
599  }
600 
601  /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
602  but it causes issues for H.264 on certain AMD GPUs..... */
603  if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO)
604  surface_alignment = 32;
605  /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
606  all coding features have enough room to work with */
607  else if (avctx->codec_id == AV_CODEC_ID_HEVC)
608  surface_alignment = 128;
609  else
610  surface_alignment = 16;
611 
612  /* 1 base work surface */
613  num_surfaces = 1;
614 
615  /* add surfaces based on number of possible refs */
616  if (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_HEVC)
617  num_surfaces += 16;
618  else if (avctx->codec_id == AV_CODEC_ID_VP9)
619  num_surfaces += 8;
620  else
621  num_surfaces += 2;
622 
623  frames_ctx->sw_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
624  AV_PIX_FMT_P010 : AV_PIX_FMT_NV12;
625  frames_ctx->width = FFALIGN(avctx->coded_width, surface_alignment);
626  frames_ctx->height = FFALIGN(avctx->coded_height, surface_alignment);
627  frames_ctx->initial_pool_size = num_surfaces;
628 
629 
630 #if CONFIG_DXVA2
631  if (frames_ctx->format == AV_PIX_FMT_DXVA2_VLD) {
632  AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
633 
634  frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
635  }
636 #endif
637 
638 #if CONFIG_D3D11VA
639  if (frames_ctx->format == AV_PIX_FMT_D3D11) {
640  AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx;
641 
642  frames_hwctx->BindFlags |= D3D11_BIND_DECODER;
643  }
644 #endif
645 
646  return 0;
647 }
648 
649  int ff_dxva2_decode_init(AVCodecContext *avctx)
650 {
651  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
652  AVHWFramesContext *frames_ctx;
653  enum AVHWDeviceType dev_type = avctx->hwaccel->pix_fmt == AV_PIX_FMT_DXVA2_VLD
654  ? AV_HWDEVICE_TYPE_DXVA2 : AV_HWDEVICE_TYPE_D3D11VA;
655  int ret = 0;
656 
657  // Old API.
658  if (avctx->hwaccel_context)
659  return 0;
660 
661  // (avctx->pix_fmt is not updated yet at this point)
662  sctx->pix_fmt = avctx->hwaccel->pix_fmt;
663 
664  ret = ff_decode_get_hw_frames_ctx(avctx, dev_type);
665  if (ret < 0)
666  return ret;
667 
668  frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
669  sctx->device_ctx = frames_ctx->device_ctx;
670 
671  if (frames_ctx->format != sctx->pix_fmt) {
672  av_log(avctx, AV_LOG_ERROR, "Invalid pixfmt for hwaccel!\n");
673  ret = AVERROR(EINVAL);
674  goto fail;
675  }
676 
677 #if CONFIG_D3D11VA
678  if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
679  AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
680  AVD3D11VAContext *d3d11_ctx = &sctx->ctx.d3d11va;
681 
682  ff_dxva2_lock(avctx);
683  ret = d3d11va_create_decoder(avctx);
684  ff_dxva2_unlock(avctx);
685  if (ret < 0)
686  goto fail;
687 
688  d3d11_ctx->decoder = sctx->d3d11_decoder;
689  d3d11_ctx->video_context = device_hwctx->video_context;
690  d3d11_ctx->cfg = &sctx->d3d11_config;
691  d3d11_ctx->surface_count = sctx->nb_d3d11_views;
692  d3d11_ctx->surface = sctx->d3d11_views;
693  d3d11_ctx->workaround = sctx->workaround;
694  d3d11_ctx->context_mutex = INVALID_HANDLE_VALUE;
695  }
696 #endif
697 
698 #if CONFIG_DXVA2
699  if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
700  AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
701  struct dxva_context *dxva_ctx = &sctx->ctx.dxva2;
702 
703  ff_dxva2_lock(avctx);
704  ret = dxva2_create_decoder(avctx);
705  ff_dxva2_unlock(avctx);
706  if (ret < 0)
707  goto fail;
708 
709  dxva_ctx->decoder = sctx->dxva2_decoder;
710  dxva_ctx->cfg = &sctx->dxva2_config;
711  dxva_ctx->surface = frames_hwctx->surfaces;
712  dxva_ctx->surface_count = frames_hwctx->nb_surfaces;
713  dxva_ctx->workaround = sctx->workaround;
714  }
715 #endif
716 
717  return 0;
718 
719 fail:
720  ff_dxva2_decode_uninit(avctx);
721  return ret;
722 }
723 
724  int ff_dxva2_decode_uninit(AVCodecContext *avctx)
725 {
726  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
727  int i;
728 
729  av_buffer_unref(&sctx->decoder_ref);
730 
731 #if CONFIG_D3D11VA
732  for (i = 0; i < sctx->nb_d3d11_views; i++) {
733  if (sctx->d3d11_views[i])
734  ID3D11VideoDecoderOutputView_Release(sctx->d3d11_views[i]);
735  }
736  av_freep(&sctx->d3d11_views);
737 #endif
738 
739 #if CONFIG_DXVA2
740  if (sctx->dxva2_service)
741  IDirectXVideoDecoderService_Release(sctx->dxva2_service);
742 #endif
743 
744  return 0;
745 }
746 
747  static void *get_surface(const AVCodecContext *avctx, const AVFrame *frame)
748 {
749 #if CONFIG_D3D11VA
750  if (frame->format == AV_PIX_FMT_D3D11) {
751  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
752  intptr_t index = (intptr_t)frame->data[1];
753  if (index < 0 || index >= sctx->nb_d3d11_views ||
754  sctx->d3d11_texture != (ID3D11Texture2D *)frame->data[0]) {
755  av_log((void *)avctx, AV_LOG_ERROR, "get_buffer frame is invalid!\n");
756  return NULL;
757  }
758  return sctx->d3d11_views[index];
759  }
760 #endif
761  return frame->data[3];
762 }
763 
764  unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
765  const AVDXVAContext *ctx,
766  const AVFrame *frame)
767 {
768  void *surface = get_surface(avctx, frame);
769  unsigned i;
770 
771 #if CONFIG_D3D11VA
772  if (avctx->pix_fmt == AV_PIX_FMT_D3D11)
773  return (intptr_t)frame->data[1];
774  if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
775  D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
776  ID3D11VideoDecoderOutputView_GetDesc((ID3D11VideoDecoderOutputView*) surface, &viewDesc);
777  return viewDesc.Texture2D.ArraySlice;
778  }
779 #endif
780 #if CONFIG_DXVA2
781  for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
782  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && ctx->dxva2.surface[i] == surface)
783  return i;
784  }
785 #endif
786 
787  assert(0);
788  return 0;
789 }
790 
791  int ff_dxva2_commit_buffer(AVCodecContext *avctx,
792  AVDXVAContext *ctx,
793  DECODER_BUFFER_DESC *dsc,
794  unsigned type, const void *data, unsigned size,
795  unsigned mb_count)
796 {
797  void *dxva_data;
798  unsigned dxva_size;
799  int result;
800  HRESULT hr = 0;
801 
802 #if CONFIG_D3D11VA
803  if (ff_dxva2_is_d3d11(avctx))
804  hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
805  D3D11VA_CONTEXT(ctx)->decoder,
806  type,
807  &dxva_size, &dxva_data);
808 #endif
809 #if CONFIG_DXVA2
810  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
811  hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
812  &dxva_data, &dxva_size);
813 #endif
814  if (FAILED(hr)) {
815  av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%x\n",
816  type, (unsigned)hr);
817  return -1;
818  }
819  if (size <= dxva_size) {
820  memcpy(dxva_data, data, size);
821 
822 #if CONFIG_D3D11VA
823  if (ff_dxva2_is_d3d11(avctx)) {
824  D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc;
825  memset(dsc11, 0, sizeof(*dsc11));
826  dsc11->BufferType = type;
827  dsc11->DataSize = size;
828  dsc11->NumMBsInBuffer = mb_count;
829  }
830 #endif
831 #if CONFIG_DXVA2
832  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
833  DXVA2_DecodeBufferDesc *dsc2 = dsc;
834  memset(dsc2, 0, sizeof(*dsc2));
835  dsc2->CompressedBufferType = type;
836  dsc2->DataSize = size;
837  dsc2->NumMBsInBuffer = mb_count;
838  }
839 #endif
840 
841  result = 0;
842  } else {
843  av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type);
844  result = -1;
845  }
846 
847 #if CONFIG_D3D11VA
848  if (ff_dxva2_is_d3d11(avctx))
849  hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type);
850 #endif
851 #if CONFIG_DXVA2
852  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
853  hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
854 #endif
855  if (FAILED(hr)) {
856  av_log(avctx, AV_LOG_ERROR,
857  "Failed to release buffer type %u: 0x%x\n",
858  type, (unsigned)hr);
859  result = -1;
860  }
861  return result;
862 }
863 
864  static int frame_add_buf(AVFrame *frame, AVBufferRef *ref)
865 {
866  int i;
867 
868  for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
869  if (!frame->buf[i]) {
870  frame->buf[i] = av_buffer_ref(ref);
871  return frame->buf[i] ? 0 : AVERROR(ENOMEM);
872  }
873  }
874 
875  // For now we expect that the caller does not use more than
876  // AV_NUM_DATA_POINTERS-1 buffers if the user uses a custom pool.
877  return AVERROR(EINVAL);
878 }
879 
880  int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
881  const void *pp, unsigned pp_size,
882  const void *qm, unsigned qm_size,
883  int (*commit_bs_si)(AVCodecContext *,
884  DECODER_BUFFER_DESC *bs,
885  DECODER_BUFFER_DESC *slice))
886 {
887  AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
888  unsigned buffer_count = 0;
889 #if CONFIG_D3D11VA
890  D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4];
891 #endif
892 #if CONFIG_DXVA2
893  DXVA2_DecodeBufferDesc buffer2[4];
894 #endif
895  DECODER_BUFFER_DESC *buffer = NULL, *buffer_slice = NULL;
896  int result, runs = 0;
897  HRESULT hr;
898  unsigned type;
899  FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
900 
901  if (sctx->decoder_ref) {
902  result = frame_add_buf(frame, sctx->decoder_ref);
903  if (result < 0)
904  return result;
905  }
906 
907  do {
908  ff_dxva2_lock(avctx);
909 #if CONFIG_D3D11VA
910  if (ff_dxva2_is_d3d11(avctx))
911  hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder,
912  get_surface(avctx, frame),
913  0, NULL);
914 #endif
915 #if CONFIG_DXVA2
916  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
917  hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
918  get_surface(avctx, frame),
919  NULL);
920 #endif
921  if (hr != E_PENDING || ++runs > 50)
922  break;
923  ff_dxva2_unlock(avctx);
924  av_usleep(2000);
925  } while(1);
926 
927  if (FAILED(hr)) {
928  av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%x\n", (unsigned)hr);
929  ff_dxva2_unlock(avctx);
930  return -1;
931  }
932 
933 #if CONFIG_D3D11VA
934  if (ff_dxva2_is_d3d11(avctx)) {
935  buffer = &buffer11[buffer_count];
936  type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
937  }
938 #endif
939 #if CONFIG_DXVA2
940  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
941  buffer = &buffer2[buffer_count];
942  type = DXVA2_PictureParametersBufferType;
943  }
944 #endif
945  result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
946  type,
947  pp, pp_size, 0);
948  if (result) {
949  av_log(avctx, AV_LOG_ERROR,
950  "Failed to add picture parameter buffer\n");
951  goto end;
952  }
953  buffer_count++;
954 
955  if (qm_size > 0) {
956 #if CONFIG_D3D11VA
957  if (ff_dxva2_is_d3d11(avctx)) {
958  buffer = &buffer11[buffer_count];
959  type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
960  }
961 #endif
962 #if CONFIG_DXVA2
963  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
964  buffer = &buffer2[buffer_count];
965  type = DXVA2_InverseQuantizationMatrixBufferType;
966  }
967 #endif
968  result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
969  type,
970  qm, qm_size, 0);
971  if (result) {
972  av_log(avctx, AV_LOG_ERROR,
973  "Failed to add inverse quantization matrix buffer\n");
974  goto end;
975  }
976  buffer_count++;
977  }
978 
979 #if CONFIG_D3D11VA
980  if (ff_dxva2_is_d3d11(avctx)) {
981  buffer = &buffer11[buffer_count + 0];
982  buffer_slice = &buffer11[buffer_count + 1];
983  }
984 #endif
985 #if CONFIG_DXVA2
986  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
987  buffer = &buffer2[buffer_count + 0];
988  buffer_slice = &buffer2[buffer_count + 1];
989  }
990 #endif
991 
992  result = commit_bs_si(avctx,
993  buffer,
994  buffer_slice);
995  if (result) {
996  av_log(avctx, AV_LOG_ERROR,
997  "Failed to add bitstream or slice control buffer\n");
998  goto end;
999  }
1000  buffer_count += 2;
1001 
1002  /* TODO Film Grain when possible */
1003 
1004  assert(buffer_count == 1 + (qm_size > 0) + 2);
1005 
1006 #if CONFIG_D3D11VA
1007  if (ff_dxva2_is_d3d11(avctx))
1008  hr = ID3D11VideoContext_SubmitDecoderBuffers(D3D11VA_CONTEXT(ctx)->video_context,
1009  D3D11VA_CONTEXT(ctx)->decoder,
1010  buffer_count, buffer11);
1011 #endif
1012 #if CONFIG_DXVA2
1013  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
1014  DXVA2_DecodeExecuteParams exec = {
1015  .NumCompBuffers = buffer_count,
1016  .pCompressedBuffers = buffer2,
1017  .pExtensionData = NULL,
1018  };
1019  hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
1020  }
1021 #endif
1022  if (FAILED(hr)) {
1023  av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%x\n", (unsigned)hr);
1024  result = -1;
1025  }
1026 
1027 end:
1028 #if CONFIG_D3D11VA
1029  if (ff_dxva2_is_d3d11(avctx))
1030  hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
1031 #endif
1032 #if CONFIG_DXVA2
1033  if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
1034  hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
1035 #endif
1036  ff_dxva2_unlock(avctx);
1037  if (FAILED(hr)) {
1038  av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%x\n", (unsigned)hr);
1039  result = -1;
1040  }
1041 
1042  return result;
1043 }
1044 
1045  int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
1046 {
1047  if (CONFIG_D3D11VA)
1048  return avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD ||
1049  avctx->pix_fmt == AV_PIX_FMT_D3D11;
1050  else
1051  return 0;
1052 }
FF_PROFILE_H264_MAIN
#define FF_PROFILE_H264_MAIN
Definition: avcodec.h:2884
AVHWDeviceContext
This struct aggregates all the (hardware/vendor-specific) "high-level" state, i.e.
Definition: hwcontext.h:60
NULL
#define NULL
Definition: coverity.c:32
AV_CODEC_ID_VP9
Definition: avcodec.h:386
AVD3D11VAContext
This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWA...
Definition: d3d11va.h:59
pix_fmt
static enum AVPixelFormat pix_fmt
Definition: demuxing_decoding.c:40
AV_NUM_DATA_POINTERS
#define AV_NUM_DATA_POINTERS
Definition: frame.h:219
FF_PROFILE_MPEG2_MAIN
#define FF_PROFILE_MPEG2_MAIN
Definition: avcodec.h:2876
format
static const char * format[]
Definition: af_aiir.c:311
av_buffer_unref
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
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:218
data
ptrdiff_t const GLvoid * data
Definition: opengl_enc.c:101
AVCodecContext::coded_width
int coded_width
Bitstream width / height, may be different from width/height e.g.
Definition: avcodec.h:1705
DEFINE_GUID
DEFINE_GUID(ff_DXVA2_ModeMPEG2_VLD, 0xee27417f, 0x5e28, 0x4e65, 0xbe, 0xea, 0x1d, 0x26, 0xb5, 0x08, 0xad, 0xc9)
dxva_get_decoder_guid
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:254
AVDXVA2FramesContext
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_dxva2.h:46
AVFrame::buf
AVBufferRef * buf[AV_NUM_DATA_POINTERS]
AVBuffer references backing the data for this frame.
Definition: frame.h:410
desc
const char * desc
Definition: nvenc.c:65
AV_CODEC_ID_VC1
Definition: avcodec.h:288
AVHWAccel::pix_fmt
enum AVPixelFormat pix_fmt
Supported pixel format.
Definition: avcodec.h:3603
AVHWFramesContext::width
int width
The allocated dimensions of the frames in this pool.
Definition: hwcontext.h:228
AVCodecContext::pix_fmt
enum AVPixelFormat pix_fmt
Pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:1727
GUID::Data4
BYTE Data4[8]
Definition: basicDataTypeConversions.h:74
AVHWFramesContext::format
enum AVPixelFormat format
The pixel format identifying the underlying HW surface type.
Definition: hwcontext.h:208
get_surface
static void * get_surface(const AVCodecContext *avctx, const AVFrame *frame)
Definition: dxva2.c:747
dxva_context::surface
LPDIRECT3DSURFACE9 * surface
The array of Direct3D surfaces used to create the decoder.
Definition: dxva2.h:76
av_usleep
int av_usleep(unsigned usec)
Sleep for a period of time.
Definition: time.c:84
AVCodecContext::hwaccel
const struct AVHWAccel * hwaccel
Hardware accelerator in use.
Definition: avcodec.h:2674
AVCodecContext::profile
int profile
profile
Definition: avcodec.h:2843
AV_CODEC_ID_H264
Definition: avcodec.h:245
D3D11VA_CONTEXT
#define D3D11VA_CONTEXT(ctx)
Definition: dxva2_internal.h:101
dxva_context::cfg
const DXVA2_ConfigPictureDecode * cfg
DXVA2 configuration used to create the decoder.
Definition: dxva2.h:66
AVD3D11VAFramesContext::BindFlags
UINT BindFlags
D3D11_TEXTURE2D_DESC.BindFlags used for texture creation.
Definition: hwcontext_d3d11va.h:160
dxva_context::surface_count
unsigned surface_count
The number of surface in the surface array.
Definition: dxva2.h:71
FF_PROFILE_VP9_0
#define FF_PROFILE_VP9_0
Definition: avcodec.h:2926
dxva_mode::profiles
const int * profiles
Definition: dxva2.c:57
AV_PIX_FMT_P010
#define AV_PIX_FMT_P010
Definition: pixfmt.h:413
ff_dxva2_common_frame_params
int ff_dxva2_common_frame_params(AVCodecContext *avctx, AVBufferRef *hw_frames_ctx)
Definition: dxva2.c:586
ff_dxva2_decode_uninit
int ff_dxva2_decode_uninit(AVCodecContext *avctx)
Definition: dxva2.c:724
uint8_t
uint8_t
Definition: audio_convert.c:194
dxva_modes
static const dxva_mode dxva_modes[]
Definition: dxva2.c:76
AVCodecContext::hwaccel_context
void * hwaccel_context
Hardware accelerator context.
Definition: avcodec.h:2686
AVD3D11VAContext::context_mutex
HANDLE context_mutex
Mutex to access video_context.
Definition: d3d11va.h:98
AVD3D11VAContext::decoder
ID3D11VideoDecoder * decoder
D3D11 decoder object.
Definition: d3d11va.h:63
AVDXVA2FramesContext::surface_type
DWORD surface_type
The surface type (e.g.
Definition: hwcontext_dxva2.h:51
end
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
ff_dxva2_common_end_frame
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:880
FF_PROFILE_HEVC_MAIN
#define FF_PROFILE_HEVC_MAIN
Definition: avcodec.h:2931
DXVA_SHARED_CONTEXT
#define DXVA_SHARED_CONTEXT(avctx)
Definition: dxva2_internal.h:97
ff_dxva2_lock
static void ff_dxva2_lock(AVCodecContext *avctx)
Definition: dxva2.c:554
frame
static AVFrame * frame
Definition: demuxing_decoding.c:53
AVHWDeviceContext::hwctx
void * hwctx
The format-specific data, allocated and freed by libavutil along with this context.
Definition: hwcontext.h:91
AV_LOG_VERBOSE
#define AV_LOG_VERBOSE
Detailed information.
Definition: log.h:192
size
ptrdiff_t size
Definition: opengl_enc.c:101
FF_PROFILE_HEVC_MAIN_10
#define FF_PROFILE_HEVC_MAIN_10
Definition: avcodec.h:2932
FFALIGN
#define FFALIGN(x, a)
Definition: macros.h:48
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
dxva_mode
Definition: dxva2.c:52
dxva_context::workaround
uint64_t workaround
A bit field configuring the workarounds needed for using the decoder.
Definition: dxva2.h:81
AVCodecID
AVCodecID
Identify the syntax and semantics of the bitstream.
Definition: avcodec.h:215
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AVERROR
#define AVERROR(e)
Definition: error.h:43
AVD3D11VAContext::cfg
D3D11_VIDEO_DECODER_CONFIG * cfg
D3D11 configuration used to create the decoder.
Definition: d3d11va.h:73
FALSE
#define FALSE
Definition: windows2linux.h:37
bufref_wrap_interface
static AVBufferRef * bufref_wrap_interface(IUnknown *iface)
Definition: dxva2.c:306
ff_dxva2_is_d3d11
int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
Definition: dxva2.c:1045
FF_PROFILE_H264_HIGH
#define FF_PROFILE_H264_HIGH
Definition: avcodec.h:2886
DXVA2_CONTEXT
#define DXVA2_CONTEXT(ctx)
Definition: dxva2_internal.h:102
AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:85
av_buffer_create
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
prof_hevc_main10
static const int prof_hevc_main10[]
Definition: dxva2.c:69
fail
#define fail()
Definition: checkasm.h:116
AVD3D11VADeviceContext::video_context
ID3D11VideoContext * video_context
If unset, this will be set from the device_context field on init.
Definition: hwcontext_d3d11va.h:80
FF_PROFILE_VP9_2
#define FF_PROFILE_VP9_2
Definition: avcodec.h:2928
AVHWFramesContext::initial_pool_size
int initial_pool_size
Initial size of the frame pool.
Definition: hwcontext.h:198
ff_dxva2_unlock
static void ff_dxva2_unlock(AVCodecContext *avctx)
Definition: dxva2.c:570
AVHWFramesContext::device_ctx
AVHWDeviceContext * device_ctx
The parent AVHWDeviceContext.
Definition: hwcontext.h:148
decoder
static const chunk_decoder decoder[8]
Definition: dfa.c:330
HANDLE
PVOID HANDLE
Definition: basicDataTypeConversions.h:21
FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO
#define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO
Work around for Direct3D11 and old Intel GPUs with ClearVideo interface.
Definition: d3d11va.h:49
AVCodecContext::hw_frames_ctx
AVBufferRef * hw_frames_ctx
A reference to the AVHWFramesContext describing the input (for encoding) or output (decoding) frames...
Definition: avcodec.h:3197
FF_PROFILE_UNKNOWN
#define FF_PROFILE_UNKNOWN
Definition: avcodec.h:2844
bufref_free_interface
static void bufref_free_interface(void *opaque, uint8_t *data)
Definition: dxva2.c:301
AVD3D11VAContext::surface_count
unsigned surface_count
The number of surface in the surface array.
Definition: d3d11va.h:78
AVD3D11VAContext::video_context
ID3D11VideoContext * video_context
D3D11 VideoContext.
Definition: d3d11va.h:68
ctx
AVFormatContext * ctx
Definition: movenc.c:48
dxva_get_decoder_configuration
static int dxva_get_decoder_configuration(AVCodecContext *avctx, const void *cfg_list, unsigned cfg_count)
Definition: dxva2.c:104
ff_dxva2_decode_init
int ff_dxva2_decode_init(AVCodecContext *avctx)
Definition: dxva2.c:649
FFDXVASharedContext::device_ctx
AVHWDeviceContext * device_ctx
Definition: dxva2_internal.h:76
AV_CODEC_ID_MPEG2VIDEO
preferred ID for MPEG-1/2 video decoding
Definition: avcodec.h:220
FFDXVASharedContext::pix_fmt
enum AVPixelFormat pix_fmt
Definition: dxva2_internal.h:74
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen_template.c:36
dxva_check_codec_compatibility
static int dxva_check_codec_compatibility(AVCodecContext *avctx, const dxva_mode *mode)
Definition: dxva2.c:189
prof_h264_high
static const int prof_h264_high[]
Definition: dxva2.c:63
AVFrame::format
int format
format of the frame, -1 if unknown or unset Values correspond to enum AVPixelFormat for video frames...
Definition: frame.h:291
AVD3D11VADeviceContext::unlock
void(* unlock)(void *lock_ctx)
Definition: hwcontext_d3d11va.h:95
avcodec.h
Libavcodec external API header.
AVCodecContext::codec_id
enum AVCodecID codec_id
Definition: avcodec.h:1528
ff_dxva2_get_surface_index
unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx, const AVDXVAContext *ctx, const AVFrame *frame)
Definition: dxva2.c:764
is_supported
static int is_supported(enum AVCodecID id)
Definition: rtpenc.c:49
AVCodecContext
main external API structure.
Definition: avcodec.h:1518
AVBufferRef::data
uint8_t * data
The data buffer.
Definition: buffer.h:89
AVHWFramesContext::hwctx
void * hwctx
The format-specific data, allocated and freed automatically along with this context.
Definition: hwcontext.h:161
prof_vp9_profile0
static const int prof_vp9_profile0[]
Definition: dxva2.c:71
ff_dxva2_commit_buffer
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:791
type
GLint GLenum type
Definition: opengl_enc.c:105
dxva2_internal.h
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:368
AVCodecContext::coded_height
int coded_height
Definition: avcodec.h:1705
prof_mpeg2_main
static const int prof_mpeg2_main[]
Definition: dxva2.c:60
index
int index
Definition: gxfenc.c:89
AVD3D11VAContext::workaround
uint64_t workaround
A bit field configuring the workarounds needed for using the decoder.
Definition: d3d11va.h:88
AVHWFramesContext
This struct describes a set or pool of "hardware" frames (i.e.
Definition: hwcontext.h:123
dxva_mode::guid
const GUID * guid
Definition: dxva2.c:53
DECODER_BUFFER_DESC
void DECODER_BUFFER_DESC
Definition: dxva2_internal.h:56
AV_PIX_FMT_DXVA2_VLD
HW decoding through DXVA2, Picture.data[3] contains a LPDIRECT3DSURFACE9 pointer. ...
Definition: pixfmt.h:133
AV_CODEC_ID_HEVC
Definition: avcodec.h:392
AVD3D11VAFramesContext
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_d3d11va.h:131
FFDXVASharedContext::decoder_ref
AVBufferRef * decoder_ref
Definition: dxva2_internal.h:68
HRESULT
DWORD HRESULT
Definition: basicDataTypeConversions.h:54
ff_decode_get_hw_frames_ctx
int ff_decode_get_hw_frames_ctx(AVCodecContext *avctx, enum AVHWDeviceType dev_type)
Make sure avctx.hw_frames_ctx is set.
Definition: decode.c:1150
FAILED
#define FAILED(hr)
Definition: windows2linux.h:48
AVFrame::data
uint8_t * data[AV_NUM_DATA_POINTERS]
pointer to the picture/channel planes.
Definition: frame.h:232
AV_PIX_FMT_D3D11
Hardware surfaces for Direct3D11.
Definition: pixfmt.h:309
SUCCEEDED
#define SUCCEEDED(hr)
Definition: windows2linux.h:49
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:81
AV_CODEC_ID_WMV3
Definition: avcodec.h:289
AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
FFDXVASharedContext::ctx
AVDXVAContext ctx
Definition: dxva2_internal.h:94
common.h
common internal and external API header
if
if(ret< 0)
Definition: vf_mcdeint.c:279
ref
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:107
av_buffer_ref
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
Definition: buffer.c:93
AVD3D11VAContext::surface
ID3D11VideoDecoderOutputView ** surface
The array of Direct3D surfaces used to create the decoder.
Definition: d3d11va.h:83
BOOL
uint32_t BOOL
Definition: basicDataTypeConversions.h:16
AVERROR_UNKNOWN
#define AVERROR_UNKNOWN
Unknown error, typically from an external library.
Definition: error.h:71
AVDXVA2FramesContext::surfaces
IDirect3DSurface9 ** surfaces
The surface pool.
Definition: hwcontext_dxva2.h:58
frame_add_buf
static int frame_add_buf(AVFrame *frame, AVBufferRef *ref)
Definition: dxva2.c:864
AVHWDeviceType
AVHWDeviceType
Definition: hwcontext.h:27
AVDXVA2DeviceContext
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_dxva2.h:39
av_free
#define av_free(p)
Definition: tableprint_vlc.h:34
dxva_list_guids_debug
static void dxva_list_guids_debug(AVCodecContext *avctx, void *service, unsigned guid_count, const GUID *guid_list)
Definition: dxva2.c:209
FF_PROFILE_MPEG2_SIMPLE
#define FF_PROFILE_MPEG2_SIMPLE
Definition: avcodec.h:2877
DXVA_CONTEXT
#define DXVA_CONTEXT(avctx)
Definition: dxva2_internal.h:99
prof_hevc_main
static const int prof_hevc_main[]
Definition: dxva2.c:67
AVD3D11VADeviceContext
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_d3d11va.h:45
AVD3D11VADeviceContext::lock
void(* lock)(void *lock_ctx)
Callbacks for locking.
Definition: hwcontext_d3d11va.h:94
av_freep
#define av_freep(p)
Definition: tableprint_vlc.h:35
UINT
unsigned int UINT
Definition: basicDataTypeConversions.h:49
AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH
#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:3772
AVCodecContext::hwaccel_flags
int hwaccel_flags
Bit set of AV_HWACCEL_FLAG_* flags, which affect hardware accelerated decoding (if active)...
Definition: avcodec.h:3258
AV_PIX_FMT_D3D11VA_VLD
HW decoding through Direct3D11 via old API, Picture.data[3] contains a ID3D11VideoDecoderOutputView p...
Definition: pixfmt.h:225
dxva_context::decoder
IDirectXVideoDecoder * decoder
DXVA2 decoder object.
Definition: dxva2.h:61
av_malloc_array
#define av_malloc_array(a, b)
Definition: tableprint_vlc.h:32
INVALID_HANDLE_VALUE
#define INVALID_HANDLE_VALUE
Definition: windows2linux.h:47
formats
formats
Definition: signature.h:48
FF_PROFILE_H264_CONSTRAINED_BASELINE
#define FF_PROFILE_H264_CONSTRAINED_BASELINE
Definition: avcodec.h:2883
MKTAG
#define MKTAG(a, b, c, d)
Definition: common.h:366
AVHWFramesContext::sw_format
enum AVPixelFormat sw_format
The pixel format identifying the actual data layout of the hardware frames.
Definition: hwcontext.h:221
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
mode
mode
Use these values in ebur128_init (or'ed).
Definition: ebur128.h:83
dxva_mode::codec
enum AVCodecID codec
Definition: dxva2.c:54
AVCodecContext::sw_pix_fmt
enum AVPixelFormat sw_pix_fmt
Nominal unaccelerated pixel format, see AV_PIX_FMT_xxx.
Definition: avcodec.h:3047
buffer
GLuint buffer
Definition: opengl_enc.c:102
prof_vp9_profile2
static const int prof_vp9_profile2[]
Definition: dxva2.c:73
dxva_context
This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel ...
Definition: dxva2.h:57
av_mallocz_array
void * av_mallocz_array(size_t nmemb, size_t size)
Definition: mem.c:191
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