2 * DXVA2 HW acceleration.
4 * copyright (c) 2010 Laurent Aimar
6 * This file is part of FFmpeg.
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.
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.
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
27 #include "libavutil/common.h"
28 #include "libavutil/log.h"
29 #include "libavutil/time.h"
33 #include "dxva2_internal.h"
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);
52 typedef struct dxva_mode {
55 // List of supported profiles, terminated by a FF_PROFILE_UNKNOWN entry.
56 // If NULL, don't check profile.
60 static const int prof_mpeg2_main[] = {FF_PROFILE_MPEG2_SIMPLE,
61 FF_PROFILE_MPEG2_MAIN,
63 static const int prof_h264_high[] = {FF_PROFILE_H264_CONSTRAINED_BASELINE,
67 static const int prof_hevc_main[] = {FF_PROFILE_HEVC_MAIN,
69 static const int prof_hevc_main10[] = {FF_PROFILE_HEVC_MAIN_10,
71 static const int prof_vp9_profile0[] = {FF_PROFILE_VP9_0,
73 static const int prof_vp9_profile2[] = {FF_PROFILE_VP9_2,
76 static const dxva_mode dxva_modes[] = {
78 { &ff_DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
79 { &ff_DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
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 },
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 },
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 },
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 },
104 static int dxva_get_decoder_configuration(AVCodecContext *avctx,
105 const void *cfg_list,
108 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
109 unsigned i, best_score = 0;
112 for (i = 0; i < cfg_count; i++) {
114 UINT ConfigBitstreamRaw;
115 GUID guidConfigBitstreamEncryption;
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;
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;
132 if (ConfigBitstreamRaw == 1)
134 else if (avctx->codec_id == AV_CODEC_ID_H264 && ConfigBitstreamRaw == 2)
138 if (IsEqualGUID(&guidConfigBitstreamEncryption, &ff_DXVA2_NoEncrypt))
140 if (score > best_score) {
147 av_log(avctx, AV_LOG_VERBOSE, "No valid decoder configuration available\n");
148 return AVERROR(EINVAL);
155 static int d3d11va_validate_output(void *service, GUID guid, const void *surface_format)
158 BOOL is_supported = FALSE;
159 hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice *)service,
161 *(DXGI_FORMAT *)surface_format,
163 return SUCCEEDED(hr) && is_supported;
168 static int dxva2_validate_output(void *decoder_service, GUID guid, const void *surface_format)
172 unsigned j, target_count;
173 D3DFORMAT *target_list;
174 hr = IDirectXVideoDecoderService_GetDecoderRenderTargets((IDirectXVideoDecoderService *)decoder_service, &guid, &target_count, &target_list);
176 for (j = 0; j < target_count; j++) {
177 const D3DFORMAT format = target_list[j];
178 if (format == *(D3DFORMAT *)surface_format) {
183 CoTaskMemFree(target_list);
189 static int dxva_check_codec_compatibility(AVCodecContext *avctx, const dxva_mode *mode)
191 if (mode->codec != avctx->codec_id)
194 if (mode->profiles && !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
196 for (i = 0; mode->profiles[i] != FF_PROFILE_UNKNOWN; i++) {
197 if (avctx->profile == mode->profiles[i]) {
209 static void dxva_list_guids_debug(AVCodecContext *avctx, void *service,
210 unsigned guid_count, const GUID *guid_list)
212 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
215 av_log(avctx, AV_LOG_VERBOSE, "Decoder GUIDs reported as supported:\n");
217 for (i = 0; i < guid_count; i++) {
218 const GUID *guid = &guid_list[i];
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]);
229 if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
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);
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')};
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);
250 av_log(avctx, AV_LOG_VERBOSE, "\n");
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)
257 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
260 dxva_list_guids_debug(avctx, service, guid_count, guid_list);
262 *decoder_guid = ff_GUID_NULL;
263 for (i = 0; dxva_modes[i].guid; i++) {
264 const dxva_mode *mode = &dxva_modes[i];
266 if (!dxva_check_codec_compatibility(avctx, mode))
269 for (j = 0; j < guid_count; j++) {
270 if (IsEqualGUID(mode->guid, &guid_list[j]))
277 if (sctx->pix_fmt == AV_PIX_FMT_D3D11)
278 validate = d3d11va_validate_output(service, *mode->guid, surface_format);
281 if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
282 validate = dxva2_validate_output(service, *mode->guid, surface_format);
285 *decoder_guid = *mode->guid;
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);
295 if (IsEqualGUID(decoder_guid, &ff_DXVADDI_Intel_ModeH264_E))
296 sctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
301 static void bufref_free_interface(void *opaque, uint8_t *data)
303 IUnknown_Release((IUnknown *)opaque);
306 static AVBufferRef *bufref_wrap_interface(IUnknown *iface)
308 return av_buffer_create((uint8_t*)iface, 1, bufref_free_interface, iface, 0);
313 static int dxva2_get_decoder_configuration(AVCodecContext *avctx, const GUID *device_guid,
314 const DXVA2_VideoDesc *desc,
315 DXVA2_ConfigPictureDecode *config)
317 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
319 DXVA2_ConfigPictureDecode *cfg_list;
323 hr = IDirectXVideoDecoderService_GetDecoderConfigurations(sctx->dxva2_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
325 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
326 return AVERROR(EINVAL);
329 ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
331 *config = cfg_list[ret];
332 CoTaskMemFree(cfg_list);
336 static int dxva2_create_decoder(AVCodecContext *avctx)
338 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
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;
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;
353 hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
356 av_log(avctx, AV_LOG_ERROR, "Failed to open a device handle\n");
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);
365 av_log(avctx, AV_LOG_ERROR, "Failed to create IDirectXVideoDecoderService\n");
369 hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(sctx->dxva2_service, &guid_count, &guid_list);
371 av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder device GUIDs\n");
375 ret = dxva_get_decoder_guid(avctx, sctx->dxva2_service, &surface_format,
376 guid_count, guid_list, &device_guid);
377 CoTaskMemFree(guid_list);
382 desc.SampleWidth = avctx->coded_width;
383 desc.SampleHeight = avctx->coded_height;
384 desc.Format = surface_format;
386 ret = dxva2_get_decoder_configuration(avctx, &device_guid, &desc, &config);
391 hr = IDirectXVideoDecoderService_CreateVideoDecoder(sctx->dxva2_service, &device_guid,
392 &desc, &config, frames_hwctx->surfaces,
393 frames_hwctx->nb_surfaces, &sctx->dxva2_decoder);
395 av_log(avctx, AV_LOG_ERROR, "Failed to create DXVA2 video decoder\n");
399 sctx->dxva2_config = config;
401 sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->dxva2_decoder);
402 if (!sctx->decoder_ref)
403 return AVERROR(ENOMEM);
407 return AVERROR(EINVAL);
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)
419 unsigned cfg_count = 0;
420 D3D11_VIDEO_DECODER_CONFIG *cfg_list = NULL;
424 hr = ID3D11VideoDevice_GetVideoDecoderConfigCount(video_device, desc, &cfg_count);
426 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
427 return AVERROR(EINVAL);
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]);
436 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations. (hr=0x%lX)\n", hr);
438 return AVERROR(EINVAL);
442 ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
444 *config = cfg_list[ret];
449 static DXGI_FORMAT d3d11va_map_sw_to_hw_format(enum AVPixelFormat 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;
459 static int d3d11va_create_decoder(AVCodecContext *avctx)
461 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
463 unsigned guid_count, i;
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;
475 if (!frames_hwctx->texture) {
476 av_log(avctx, AV_LOG_ERROR, "AVD3D11VAFramesContext.texture not set.\n");
477 return AVERROR(EINVAL);
479 ID3D11Texture2D_GetDesc(frames_hwctx->texture, &texdesc);
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");
486 return AVERROR(EINVAL);
488 for (i = 0; i < guid_count; i++) {
489 hr = ID3D11VideoDevice_GetVideoDecoderProfile(device_hwctx->video_device, i, &guid_list[i]);
491 av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder GUID %d\n", i);
493 return AVERROR(EINVAL);
497 ret = dxva_get_decoder_guid(avctx, device_hwctx->video_device, &surface_format,
498 guid_count, guid_list, &decoder_guid);
501 return AVERROR(EINVAL);
503 desc.SampleWidth = avctx->coded_width;
504 desc.SampleHeight = avctx->coded_height;
505 desc.OutputFormat = surface_format;
506 desc.Guid = decoder_guid;
508 ret = d3d11va_get_decoder_configuration(avctx, device_hwctx->video_device, &desc, &config);
510 return AVERROR(EINVAL);
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;
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,
525 hr = ID3D11VideoDevice_CreateVideoDecoderOutputView(device_hwctx->video_device,
526 (ID3D11Resource*) frames_hwctx->texture,
528 (ID3D11VideoDecoderOutputView**) &sctx->d3d11_views[i]);
530 av_log(avctx, AV_LOG_ERROR, "Could not create the decoder output view %d\n", i);
531 return AVERROR_UNKNOWN;
535 hr = ID3D11VideoDevice_CreateVideoDecoder(device_hwctx->video_device, &desc,
536 &config, &sctx->d3d11_decoder);
538 av_log(avctx, AV_LOG_ERROR, "Failed to create D3D11VA video decoder\n");
539 return AVERROR(EINVAL);
542 sctx->d3d11_config = config;
543 sctx->d3d11_texture = frames_hwctx->texture;
545 sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->d3d11_decoder);
546 if (!sctx->decoder_ref)
547 return AVERROR(ENOMEM);
554 static void ff_dxva2_lock(AVCodecContext *avctx)
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);
570 static void ff_dxva2_unlock(AVCodecContext *avctx)
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);
586 int ff_dxva2_common_frame_params(AVCodecContext *avctx,
587 AVBufferRef *hw_frames_ctx)
589 AVHWFramesContext *frames_ctx = (AVHWFramesContext *)hw_frames_ctx->data;
590 AVHWDeviceContext *device_ctx = frames_ctx->device_ctx;
591 int surface_alignment, num_surfaces;
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;
598 return AVERROR(EINVAL);
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;
610 surface_alignment = 16;
612 /* 1 base work surface */
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)
618 else if (avctx->codec_id == AV_CODEC_ID_VP9)
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;
631 if (frames_ctx->format == AV_PIX_FMT_DXVA2_VLD) {
632 AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
634 frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
639 if (frames_ctx->format == AV_PIX_FMT_D3D11) {
640 AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx;
642 frames_hwctx->BindFlags |= D3D11_BIND_DECODER;
649 int ff_dxva2_decode_init(AVCodecContext *avctx)
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;
658 if (avctx->hwaccel_context)
661 // (avctx->pix_fmt is not updated yet at this point)
662 sctx->pix_fmt = avctx->hwaccel->pix_fmt;
664 ret = ff_decode_get_hw_frames_ctx(avctx, dev_type);
668 frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
669 sctx->device_ctx = frames_ctx->device_ctx;
671 if (frames_ctx->format != sctx->pix_fmt) {
672 av_log(avctx, AV_LOG_ERROR, "Invalid pixfmt for hwaccel!\n");
673 ret = AVERROR(EINVAL);
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;
682 ff_dxva2_lock(avctx);
683 ret = d3d11va_create_decoder(avctx);
684 ff_dxva2_unlock(avctx);
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;
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;
703 ff_dxva2_lock(avctx);
704 ret = dxva2_create_decoder(avctx);
705 ff_dxva2_unlock(avctx);
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;
720 ff_dxva2_decode_uninit(avctx);
724 int ff_dxva2_decode_uninit(AVCodecContext *avctx)
726 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
729 av_buffer_unref(&sctx->decoder_ref);
732 for (i = 0; i < sctx->nb_d3d11_views; i++) {
733 if (sctx->d3d11_views[i])
734 ID3D11VideoDecoderOutputView_Release(sctx->d3d11_views[i]);
736 av_freep(&sctx->d3d11_views);
740 if (sctx->dxva2_service)
741 IDirectXVideoDecoderService_Release(sctx->dxva2_service);
747 static void *get_surface(const AVCodecContext *avctx, const AVFrame *frame)
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");
758 return sctx->d3d11_views[index];
761 return frame->data[3];
764 unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
765 const AVDXVAContext *ctx,
766 const AVFrame *frame)
768 void *surface = get_surface(avctx, frame);
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;
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)
791 int ff_dxva2_commit_buffer(AVCodecContext *avctx,
793 DECODER_BUFFER_DESC *dsc,
794 unsigned type, const void *data, unsigned size,
803 if (ff_dxva2_is_d3d11(avctx))
804 hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
805 D3D11VA_CONTEXT(ctx)->decoder,
807 &dxva_size, &dxva_data);
810 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
811 hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
812 &dxva_data, &dxva_size);
815 av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%x\n",
819 if (size <= dxva_size) {
820 memcpy(dxva_data, data, size);
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;
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;
843 av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type);
848 if (ff_dxva2_is_d3d11(avctx))
849 hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type);
852 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
853 hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
856 av_log(avctx, AV_LOG_ERROR,
857 "Failed to release buffer type %u: 0x%x\n",
864 static int frame_add_buf(AVFrame *frame, AVBufferRef *ref)
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);
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);
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))
887 AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
888 unsigned buffer_count = 0;
890 D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4];
893 DXVA2_DecodeBufferDesc buffer2[4];
895 DECODER_BUFFER_DESC *buffer = NULL, *buffer_slice = NULL;
896 int result, runs = 0;
899 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
901 if (sctx->decoder_ref) {
902 result = frame_add_buf(frame, sctx->decoder_ref);
908 ff_dxva2_lock(avctx);
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),
916 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
917 hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
918 get_surface(avctx, frame),
921 if (hr != E_PENDING || ++runs > 50)
923 ff_dxva2_unlock(avctx);
928 av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%x\n", (unsigned)hr);
929 ff_dxva2_unlock(avctx);
934 if (ff_dxva2_is_d3d11(avctx)) {
935 buffer = &buffer11[buffer_count];
936 type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
940 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
941 buffer = &buffer2[buffer_count];
942 type = DXVA2_PictureParametersBufferType;
945 result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
949 av_log(avctx, AV_LOG_ERROR,
950 "Failed to add picture parameter buffer\n");
957 if (ff_dxva2_is_d3d11(avctx)) {
958 buffer = &buffer11[buffer_count];
959 type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
963 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
964 buffer = &buffer2[buffer_count];
965 type = DXVA2_InverseQuantizationMatrixBufferType;
968 result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
972 av_log(avctx, AV_LOG_ERROR,
973 "Failed to add inverse quantization matrix buffer\n");
980 if (ff_dxva2_is_d3d11(avctx)) {
981 buffer = &buffer11[buffer_count + 0];
982 buffer_slice = &buffer11[buffer_count + 1];
986 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
987 buffer = &buffer2[buffer_count + 0];
988 buffer_slice = &buffer2[buffer_count + 1];
992 result = commit_bs_si(avctx,
996 av_log(avctx, AV_LOG_ERROR,
997 "Failed to add bitstream or slice control buffer\n");
1002 /* TODO Film Grain when possible */
1004 assert(buffer_count == 1 + (qm_size > 0) + 2);
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);
1013 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
1014 DXVA2_DecodeExecuteParams exec = {
1015 .NumCompBuffers = buffer_count,
1016 .pCompressedBuffers = buffer2,
1017 .pExtensionData = NULL,
1019 hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
1023 av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%x\n", (unsigned)hr);
1029 if (ff_dxva2_is_d3d11(avctx))
1030 hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
1033 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
1034 hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
1036 ff_dxva2_unlock(avctx);
1038 av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%x\n", (unsigned)hr);
1045 int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
1048 return avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD ||
1049 avctx->pix_fmt == AV_PIX_FMT_D3D11;