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"
32 #include "dxva2_internal.h"
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);
50 typedef struct dxva_mode {
53 // List of supported profiles, terminated by a FF_PROFILE_UNKNOWN entry.
54 // If NULL, don't check profile.
58 static const int prof_mpeg2_main[] = {FF_PROFILE_MPEG2_SIMPLE,
59 FF_PROFILE_MPEG2_MAIN,
61 static const int prof_h264_high[] = {FF_PROFILE_H264_CONSTRAINED_BASELINE,
65 static const int prof_hevc_main[] = {FF_PROFILE_HEVC_MAIN,
67 static const int prof_hevc_main10[] = {FF_PROFILE_HEVC_MAIN_10,
70 static const dxva_mode dxva_modes[] = {
72 { &ff_DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
73 { &ff_DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
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 },
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 },
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 },
92 { &ff_DXVA2_ModeVP9_VLD_Profile0,AV_CODEC_ID_VP9 },
97 static int dxva_get_decoder_configuration(AVCodecContext *avctx,
101 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
102 unsigned i, best_score = 0;
105 for (i = 0; i < cfg_count; i++) {
107 UINT ConfigBitstreamRaw;
108 GUID guidConfigBitstreamEncryption;
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;
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;
125 if (ConfigBitstreamRaw == 1)
127 else if (avctx->codec_id == AV_CODEC_ID_H264 && ConfigBitstreamRaw == 2)
131 if (IsEqualGUID(&guidConfigBitstreamEncryption, &ff_DXVA2_NoEncrypt))
133 if (score > best_score) {
140 av_log(avctx, AV_LOG_VERBOSE, "No valid decoder configuration available\n");
141 return AVERROR(EINVAL);
148 static int d3d11va_validate_output(void *service, GUID guid, const void *surface_format)
151 BOOL is_supported = FALSE;
152 hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice *)service,
154 *(DXGI_FORMAT *)surface_format,
156 return SUCCEEDED(hr) && is_supported;
161 static int dxva2_validate_output(void *decoder_service, GUID guid, const void *surface_format)
165 unsigned j, target_count;
166 D3DFORMAT *target_list;
167 hr = IDirectXVideoDecoderService_GetDecoderRenderTargets((IDirectXVideoDecoderService *)decoder_service, &guid, &target_count, &target_list);
169 for (j = 0; j < target_count; j++) {
170 const D3DFORMAT format = target_list[j];
171 if (format == *(D3DFORMAT *)surface_format) {
176 CoTaskMemFree(target_list);
182 static int dxva_check_codec_compatibility(AVCodecContext *avctx, const dxva_mode *mode)
184 if (mode->codec != avctx->codec_id)
187 if (mode->profiles && !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
189 for (i = 0; mode->profiles[i] != FF_PROFILE_UNKNOWN; i++) {
190 if (avctx->profile == mode->profiles[i]) {
202 static void dxva_list_guids_debug(AVCodecContext *avctx, void *service,
203 unsigned guid_count, const GUID *guid_list)
205 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
208 av_log(avctx, AV_LOG_VERBOSE, "Decoder GUIDs reported as supported:\n");
210 for (i = 0; i < guid_count; i++) {
211 const GUID *guid = &guid_list[i];
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]);
222 if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
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);
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')};
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);
243 av_log(avctx, AV_LOG_VERBOSE, "\n");
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)
250 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
253 dxva_list_guids_debug(avctx, service, guid_count, guid_list);
255 *decoder_guid = ff_GUID_NULL;
256 for (i = 0; dxva_modes[i].guid; i++) {
257 const dxva_mode *mode = &dxva_modes[i];
259 if (!dxva_check_codec_compatibility(avctx, mode))
262 for (j = 0; j < guid_count; j++) {
263 if (IsEqualGUID(mode->guid, &guid_list[j]))
270 if (sctx->pix_fmt == AV_PIX_FMT_D3D11)
271 validate = d3d11va_validate_output(service, *mode->guid, surface_format);
274 if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
275 validate = dxva2_validate_output(service, *mode->guid, surface_format);
278 *decoder_guid = *mode->guid;
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);
288 if (IsEqualGUID(decoder_guid, &ff_DXVADDI_Intel_ModeH264_E))
289 sctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
294 static void bufref_free_interface(void *opaque, uint8_t *data)
296 IUnknown_Release((IUnknown *)opaque);
299 static AVBufferRef *bufref_wrap_interface(IUnknown *iface)
301 return av_buffer_create((uint8_t*)iface, 1, bufref_free_interface, iface, 0);
306 static int dxva2_get_decoder_configuration(AVCodecContext *avctx, const GUID *device_guid,
307 const DXVA2_VideoDesc *desc,
308 DXVA2_ConfigPictureDecode *config)
310 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
312 DXVA2_ConfigPictureDecode *cfg_list;
316 hr = IDirectXVideoDecoderService_GetDecoderConfigurations(sctx->dxva2_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
318 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
319 return AVERROR(EINVAL);
322 ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
324 *config = cfg_list[ret];
325 CoTaskMemFree(cfg_list);
329 static int dxva2_create_decoder(AVCodecContext *avctx)
331 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
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;
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;
346 hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
349 av_log(avctx, AV_LOG_ERROR, "Failed to open a device handle\n");
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);
358 av_log(avctx, AV_LOG_ERROR, "Failed to create IDirectXVideoDecoderService\n");
362 hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(sctx->dxva2_service, &guid_count, &guid_list);
364 av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder device GUIDs\n");
368 ret = dxva_get_decoder_guid(avctx, sctx->dxva2_service, &surface_format,
369 guid_count, guid_list, &device_guid);
370 CoTaskMemFree(guid_list);
375 desc.SampleWidth = avctx->coded_width;
376 desc.SampleHeight = avctx->coded_height;
377 desc.Format = surface_format;
379 ret = dxva2_get_decoder_configuration(avctx, &device_guid, &desc, &config);
384 hr = IDirectXVideoDecoderService_CreateVideoDecoder(sctx->dxva2_service, &device_guid,
385 &desc, &config, frames_hwctx->surfaces,
386 frames_hwctx->nb_surfaces, &sctx->dxva2_decoder);
388 av_log(avctx, AV_LOG_ERROR, "Failed to create DXVA2 video decoder\n");
392 sctx->dxva2_config = config;
394 sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->dxva2_decoder);
395 if (!sctx->decoder_ref)
396 return AVERROR(ENOMEM);
400 return AVERROR(EINVAL);
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)
412 unsigned cfg_count = 0;
413 D3D11_VIDEO_DECODER_CONFIG *cfg_list = NULL;
417 hr = ID3D11VideoDevice_GetVideoDecoderConfigCount(video_device, desc, &cfg_count);
419 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
420 return AVERROR(EINVAL);
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]);
429 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations. (hr=0x%lX)\n", hr);
431 return AVERROR(EINVAL);
435 ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
437 *config = cfg_list[ret];
442 static DXGI_FORMAT d3d11va_map_sw_to_hw_format(enum AVPixelFormat 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;
452 static int d3d11va_create_decoder(AVCodecContext *avctx)
454 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
456 unsigned guid_count, i;
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;
468 if (!frames_hwctx->texture) {
469 av_log(avctx, AV_LOG_ERROR, "AVD3D11VAFramesContext.texture not set.\n");
470 return AVERROR(EINVAL);
472 ID3D11Texture2D_GetDesc(frames_hwctx->texture, &texdesc);
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");
479 return AVERROR(EINVAL);
481 for (i = 0; i < guid_count; i++) {
482 hr = ID3D11VideoDevice_GetVideoDecoderProfile(device_hwctx->video_device, i, &guid_list[i]);
484 av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder GUID %d\n", i);
486 return AVERROR(EINVAL);
490 ret = dxva_get_decoder_guid(avctx, device_hwctx->video_device, &surface_format,
491 guid_count, guid_list, &decoder_guid);
494 return AVERROR(EINVAL);
496 desc.SampleWidth = avctx->coded_width;
497 desc.SampleHeight = avctx->coded_height;
498 desc.OutputFormat = surface_format;
499 desc.Guid = decoder_guid;
501 ret = d3d11va_get_decoder_configuration(avctx, device_hwctx->video_device, &desc, &config);
503 return AVERROR(EINVAL);
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;
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,
518 hr = ID3D11VideoDevice_CreateVideoDecoderOutputView(device_hwctx->video_device,
519 (ID3D11Resource*) frames_hwctx->texture,
521 (ID3D11VideoDecoderOutputView**) &sctx->d3d11_views[i]);
523 av_log(avctx, AV_LOG_ERROR, "Could not create the decoder output view %d\n", i);
524 return AVERROR_UNKNOWN;
528 hr = ID3D11VideoDevice_CreateVideoDecoder(device_hwctx->video_device, &desc,
529 &config, &sctx->d3d11_decoder);
531 av_log(avctx, AV_LOG_ERROR, "Failed to create D3D11VA video decoder\n");
532 return AVERROR(EINVAL);
535 sctx->d3d11_config = config;
536 sctx->d3d11_texture = frames_hwctx->texture;
538 sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->d3d11_decoder);
539 if (!sctx->decoder_ref)
540 return AVERROR(ENOMEM);
547 static void ff_dxva2_lock(AVCodecContext *avctx)
550 if (ff_dxva2_is_d3d11(avctx)) {
551 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(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);
563 static void ff_dxva2_unlock(AVCodecContext *avctx)
566 if (ff_dxva2_is_d3d11(avctx)) {
567 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(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);
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)
583 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
584 int surface_alignment, num_surfaces;
586 frames_ctx->format = sctx->pix_fmt;
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;
597 surface_alignment = 16;
599 /* 4 base work surfaces */
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)
605 else if (avctx->codec_id == AV_CODEC_ID_VP9)
610 /* add extra surfaces for frame threading */
611 if (avctx->active_thread_type & FF_THREAD_FRAME)
612 num_surfaces += avctx->thread_count;
614 frames_ctx->sw_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
615 AV_PIX_FMT_P010 : AV_PIX_FMT_NV12;
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;
622 if (frames_ctx->format == AV_PIX_FMT_DXVA2_VLD) {
623 AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
625 frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
630 if (frames_ctx->format == AV_PIX_FMT_D3D11) {
631 AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx;
633 frames_hwctx->BindFlags |= D3D11_BIND_DECODER;
638 int ff_dxva2_decode_init(AVCodecContext *avctx)
640 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
641 AVHWFramesContext *frames_ctx = NULL;
645 if (avctx->hwaccel_context)
648 // (avctx->pix_fmt is not updated yet at this point)
649 sctx->pix_fmt = avctx->hwaccel->pix_fmt;
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);
656 if (avctx->hw_frames_ctx) {
657 frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
659 avctx->hw_frames_ctx = av_hwframe_ctx_alloc(avctx->hw_device_ctx);
660 if (!avctx->hw_frames_ctx)
661 return AVERROR(ENOMEM);
663 frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
665 dxva_adjust_hwframes(avctx, frames_ctx);
667 ret = av_hwframe_ctx_init(avctx->hw_frames_ctx);
672 sctx->device_ctx = frames_ctx->device_ctx;
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);
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;
687 ff_dxva2_lock(avctx);
688 ret = d3d11va_create_decoder(avctx);
689 ff_dxva2_unlock(avctx);
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;
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;
708 ff_dxva2_lock(avctx);
709 ret = dxva2_create_decoder(avctx);
710 ff_dxva2_unlock(avctx);
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;
725 ff_dxva2_decode_uninit(avctx);
729 int ff_dxva2_decode_uninit(AVCodecContext *avctx)
731 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
734 av_buffer_unref(&sctx->decoder_ref);
737 for (i = 0; i < sctx->nb_d3d11_views; i++) {
738 if (sctx->d3d11_views[i])
739 ID3D11VideoDecoderOutputView_Release(sctx->d3d11_views[i]);
741 av_freep(&sctx->d3d11_views);
745 if (sctx->dxva2_service)
746 IDirectXVideoDecoderService_Release(sctx->dxva2_service);
752 static void *get_surface(const AVCodecContext *avctx, const AVFrame *frame)
755 if (frame->format == AV_PIX_FMT_D3D11) {
756 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
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");
763 return sctx->d3d11_views[index];
766 return frame->data[3];
769 unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
770 const AVDXVAContext *ctx,
771 const AVFrame *frame)
773 void *surface = get_surface(avctx, frame);
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;
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)
796 int ff_dxva2_commit_buffer(AVCodecContext *avctx,
798 DECODER_BUFFER_DESC *dsc,
799 unsigned type, const void *data, unsigned size,
808 if (ff_dxva2_is_d3d11(avctx))
809 hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
810 D3D11VA_CONTEXT(ctx)->decoder,
812 &dxva_size, &dxva_data);
815 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
816 hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
817 &dxva_data, &dxva_size);
820 av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%x\n",
824 if (size <= dxva_size) {
825 memcpy(dxva_data, data, size);
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;
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;
848 av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type);
853 if (ff_dxva2_is_d3d11(avctx))
854 hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type);
857 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
858 hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
861 av_log(avctx, AV_LOG_ERROR,
862 "Failed to release buffer type %u: 0x%x\n",
869 static int frame_add_buf(AVFrame *frame, AVBufferRef *ref)
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);
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);
885 int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
886 const void *pp, unsigned pp_size,
887 const void *qm, unsigned qm_size,
888 int (*commit_bs_si)(AVCodecContext *,
889 DECODER_BUFFER_DESC *bs,
890 DECODER_BUFFER_DESC *slice))
892 AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
893 unsigned buffer_count = 0;
895 D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4];
898 DXVA2_DecodeBufferDesc buffer2[4];
900 DECODER_BUFFER_DESC *buffer = NULL, *buffer_slice = NULL;
901 int result, runs = 0;
904 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
906 if (sctx->decoder_ref) {
907 result = frame_add_buf(frame, sctx->decoder_ref);
913 ff_dxva2_lock(avctx);
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),
921 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
922 hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
923 get_surface(avctx, frame),
926 if (hr != E_PENDING || ++runs > 50)
928 ff_dxva2_unlock(avctx);
933 av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%x\n", (unsigned)hr);
934 ff_dxva2_unlock(avctx);
939 if (ff_dxva2_is_d3d11(avctx)) {
940 buffer = &buffer11[buffer_count];
941 type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
945 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
946 buffer = &buffer2[buffer_count];
947 type = DXVA2_PictureParametersBufferType;
950 result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
954 av_log(avctx, AV_LOG_ERROR,
955 "Failed to add picture parameter buffer\n");
962 if (ff_dxva2_is_d3d11(avctx)) {
963 buffer = &buffer11[buffer_count];
964 type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
968 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
969 buffer = &buffer2[buffer_count];
970 type = DXVA2_InverseQuantizationMatrixBufferType;
973 result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
977 av_log(avctx, AV_LOG_ERROR,
978 "Failed to add inverse quantization matrix buffer\n");
985 if (ff_dxva2_is_d3d11(avctx)) {
986 buffer = &buffer11[buffer_count + 0];
987 buffer_slice = &buffer11[buffer_count + 1];
991 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
992 buffer = &buffer2[buffer_count + 0];
993 buffer_slice = &buffer2[buffer_count + 1];
997 result = commit_bs_si(avctx,
1001 av_log(avctx, AV_LOG_ERROR,
1002 "Failed to add bitstream or slice control buffer\n");
1007 /* TODO Film Grain when possible */
1009 assert(buffer_count == 1 + (qm_size > 0) + 2);
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);
1018 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
1019 DXVA2_DecodeExecuteParams exec = {
1020 .NumCompBuffers = buffer_count,
1021 .pCompressedBuffers = buffer2,
1022 .pExtensionData = NULL,
1024 hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
1028 av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%x\n", (unsigned)hr);
1034 if (ff_dxva2_is_d3d11(avctx))
1035 hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
1038 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
1039 hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
1041 ff_dxva2_unlock(avctx);
1043 av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%x\n", (unsigned)hr);
1050 int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
1053 return avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD ||
1054 avctx->pix_fmt == AV_PIX_FMT_D3D11;