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_NoEncrypt, 0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
48 DEFINE_GUID(ff_GUID_NULL, 0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
49 DEFINE_GUID(ff_IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
51 typedef struct dxva_mode {
54 // List of supported profiles, terminated by a FF_PROFILE_UNKNOWN entry.
55 // If NULL, don't check profile.
59 static const int prof_mpeg2_main[] = {FF_PROFILE_MPEG2_SIMPLE,
60 FF_PROFILE_MPEG2_MAIN,
62 static const int prof_h264_high[] = {FF_PROFILE_H264_CONSTRAINED_BASELINE,
66 static const int prof_hevc_main[] = {FF_PROFILE_HEVC_MAIN,
68 static const int prof_hevc_main10[] = {FF_PROFILE_HEVC_MAIN_10,
71 static const dxva_mode dxva_modes[] = {
73 { &ff_DXVA2_ModeMPEG2_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
74 { &ff_DXVA2_ModeMPEG2and1_VLD, AV_CODEC_ID_MPEG2VIDEO, prof_mpeg2_main },
77 { &ff_DXVA2_ModeH264_F, AV_CODEC_ID_H264, prof_h264_high },
78 { &ff_DXVA2_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high },
79 /* Intel specific H.264 mode */
80 { &ff_DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264, prof_h264_high },
83 { &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_VC1 },
84 { &ff_DXVA2_ModeVC1_D2010, AV_CODEC_ID_WMV3 },
85 { &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_VC1 },
86 { &ff_DXVA2_ModeVC1_D, AV_CODEC_ID_WMV3 },
89 { &ff_DXVA2_ModeHEVC_VLD_Main10, AV_CODEC_ID_HEVC, prof_hevc_main10 },
90 { &ff_DXVA2_ModeHEVC_VLD_Main, AV_CODEC_ID_HEVC, prof_hevc_main },
93 { &ff_DXVA2_ModeVP9_VLD_Profile0,AV_CODEC_ID_VP9 },
98 static int dxva_get_decoder_configuration(AVCodecContext *avctx,
102 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
103 unsigned i, best_score = 0;
106 for (i = 0; i < cfg_count; i++) {
108 UINT ConfigBitstreamRaw;
109 GUID guidConfigBitstreamEncryption;
112 if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
113 D3D11_VIDEO_DECODER_CONFIG *cfg = &((D3D11_VIDEO_DECODER_CONFIG *)cfg_list)[i];
114 ConfigBitstreamRaw = cfg->ConfigBitstreamRaw;
115 guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption;
119 if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
120 DXVA2_ConfigPictureDecode *cfg = &((DXVA2_ConfigPictureDecode *)cfg_list)[i];
121 ConfigBitstreamRaw = cfg->ConfigBitstreamRaw;
122 guidConfigBitstreamEncryption = cfg->guidConfigBitstreamEncryption;
126 if (ConfigBitstreamRaw == 1)
128 else if (avctx->codec_id == AV_CODEC_ID_H264 && ConfigBitstreamRaw == 2)
132 if (IsEqualGUID(&guidConfigBitstreamEncryption, &ff_DXVA2_NoEncrypt))
134 if (score > best_score) {
141 av_log(avctx, AV_LOG_VERBOSE, "No valid decoder configuration available\n");
142 return AVERROR(EINVAL);
149 static int d3d11va_validate_output(void *service, GUID guid, const void *surface_format)
152 BOOL is_supported = FALSE;
153 hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice *)service,
155 *(DXGI_FORMAT *)surface_format,
157 return SUCCEEDED(hr) && is_supported;
162 static int dxva2_validate_output(void *decoder_service, GUID guid, const void *surface_format)
166 unsigned j, target_count;
167 D3DFORMAT *target_list;
168 hr = IDirectXVideoDecoderService_GetDecoderRenderTargets((IDirectXVideoDecoderService *)decoder_service, &guid, &target_count, &target_list);
170 for (j = 0; j < target_count; j++) {
171 const D3DFORMAT format = target_list[j];
172 if (format == *(D3DFORMAT *)surface_format) {
177 CoTaskMemFree(target_list);
183 static int dxva_check_codec_compatibility(AVCodecContext *avctx, const dxva_mode *mode)
185 if (mode->codec != avctx->codec_id)
188 if (mode->profiles && !(avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH)) {
190 for (i = 0; mode->profiles[i] != FF_PROFILE_UNKNOWN; i++) {
191 if (avctx->profile == mode->profiles[i]) {
203 static void dxva_list_guids_debug(AVCodecContext *avctx, void *service,
204 unsigned guid_count, const GUID *guid_list)
206 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
209 av_log(avctx, AV_LOG_VERBOSE, "Decoder GUIDs reported as supported:\n");
211 for (i = 0; i < guid_count; i++) {
212 const GUID *guid = &guid_list[i];
214 av_log(avctx, AV_LOG_VERBOSE,
215 "{%8.8x-%4.4x-%4.4x-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x}",
216 (unsigned) guid->Data1, guid->Data2, guid->Data3,
217 guid->Data4[0], guid->Data4[1],
218 guid->Data4[2], guid->Data4[3],
219 guid->Data4[4], guid->Data4[5],
220 guid->Data4[6], guid->Data4[7]);
223 if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
225 // We don't know the maximum valid DXGI_FORMAT, so use 200 as
226 // arbitrary upper bound (that could become outdated).
227 for (format = 0; format < 200; format++) {
228 if (d3d11va_validate_output(service, *guid, &format))
229 av_log(avctx, AV_LOG_VERBOSE, " %d", (int)format);
234 if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
235 const D3DFORMAT formats[] = {MKTAG('N', 'V', '1', '2'),
236 MKTAG('P', '0', '1', '0')};
238 for (i = 0; i < FF_ARRAY_ELEMS(formats); i++) {
239 if (dxva2_validate_output(service, *guid, &formats[i]))
240 av_log(avctx, AV_LOG_VERBOSE, " %d", i);
244 av_log(avctx, AV_LOG_VERBOSE, "\n");
248 static int dxva_get_decoder_guid(AVCodecContext *avctx, void *service, void *surface_format,
249 unsigned guid_count, const GUID *guid_list, GUID *decoder_guid)
251 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
254 dxva_list_guids_debug(avctx, service, guid_count, guid_list);
256 *decoder_guid = ff_GUID_NULL;
257 for (i = 0; dxva_modes[i].guid; i++) {
258 const dxva_mode *mode = &dxva_modes[i];
260 if (!dxva_check_codec_compatibility(avctx, mode))
263 for (j = 0; j < guid_count; j++) {
264 if (IsEqualGUID(mode->guid, &guid_list[j]))
271 if (sctx->pix_fmt == AV_PIX_FMT_D3D11)
272 validate = d3d11va_validate_output(service, *mode->guid, surface_format);
275 if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
276 validate = dxva2_validate_output(service, *mode->guid, surface_format);
279 *decoder_guid = *mode->guid;
284 if (IsEqualGUID(decoder_guid, &ff_GUID_NULL)) {
285 av_log(avctx, AV_LOG_VERBOSE, "No decoder device for codec found\n");
286 return AVERROR(EINVAL);
289 if (IsEqualGUID(decoder_guid, &ff_DXVADDI_Intel_ModeH264_E))
290 sctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
295 static void bufref_free_interface(void *opaque, uint8_t *data)
297 IUnknown_Release((IUnknown *)opaque);
300 static AVBufferRef *bufref_wrap_interface(IUnknown *iface)
302 return av_buffer_create((uint8_t*)iface, 1, bufref_free_interface, iface, 0);
307 static int dxva2_get_decoder_configuration(AVCodecContext *avctx, const GUID *device_guid,
308 const DXVA2_VideoDesc *desc,
309 DXVA2_ConfigPictureDecode *config)
311 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
313 DXVA2_ConfigPictureDecode *cfg_list;
317 hr = IDirectXVideoDecoderService_GetDecoderConfigurations(sctx->dxva2_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
319 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
320 return AVERROR(EINVAL);
323 ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
325 *config = cfg_list[ret];
326 CoTaskMemFree(cfg_list);
330 static int dxva2_create_decoder(AVCodecContext *avctx)
332 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
336 D3DFORMAT surface_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
337 MKTAG('P', '0', '1', '0') : MKTAG('N', 'V', '1', '2');
338 DXVA2_VideoDesc desc = { 0 };
339 DXVA2_ConfigPictureDecode config;
342 HANDLE device_handle;
343 AVHWFramesContext *frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
344 AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
345 AVDXVA2DeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
347 hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
350 av_log(avctx, AV_LOG_ERROR, "Failed to open a device handle\n");
354 hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle,
355 &ff_IID_IDirectXVideoDecoderService,
356 (void **)&sctx->dxva2_service);
357 IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle);
359 av_log(avctx, AV_LOG_ERROR, "Failed to create IDirectXVideoDecoderService\n");
363 hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(sctx->dxva2_service, &guid_count, &guid_list);
365 av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder device GUIDs\n");
369 ret = dxva_get_decoder_guid(avctx, sctx->dxva2_service, &surface_format,
370 guid_count, guid_list, &device_guid);
371 CoTaskMemFree(guid_list);
376 desc.SampleWidth = avctx->coded_width;
377 desc.SampleHeight = avctx->coded_height;
378 desc.Format = surface_format;
380 ret = dxva2_get_decoder_configuration(avctx, &device_guid, &desc, &config);
385 hr = IDirectXVideoDecoderService_CreateVideoDecoder(sctx->dxva2_service, &device_guid,
386 &desc, &config, frames_hwctx->surfaces,
387 frames_hwctx->nb_surfaces, &sctx->dxva2_decoder);
389 av_log(avctx, AV_LOG_ERROR, "Failed to create DXVA2 video decoder\n");
393 sctx->dxva2_config = config;
395 sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->dxva2_decoder);
396 if (!sctx->decoder_ref)
397 return AVERROR(ENOMEM);
401 return AVERROR(EINVAL);
408 static int d3d11va_get_decoder_configuration(AVCodecContext *avctx,
409 ID3D11VideoDevice *video_device,
410 const D3D11_VIDEO_DECODER_DESC *desc,
411 D3D11_VIDEO_DECODER_CONFIG *config)
413 unsigned cfg_count = 0;
414 D3D11_VIDEO_DECODER_CONFIG *cfg_list = NULL;
418 hr = ID3D11VideoDevice_GetVideoDecoderConfigCount(video_device, desc, &cfg_count);
420 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations\n");
421 return AVERROR(EINVAL);
424 cfg_list = av_malloc_array(cfg_count, sizeof(D3D11_VIDEO_DECODER_CONFIG));
425 if (cfg_list == NULL)
426 return AVERROR(ENOMEM);
427 for (i = 0; i < cfg_count; i++) {
428 hr = ID3D11VideoDevice_GetVideoDecoderConfig(video_device, desc, i, &cfg_list[i]);
430 av_log(avctx, AV_LOG_ERROR, "Unable to retrieve decoder configurations. (hr=0x%lX)\n", hr);
432 return AVERROR(EINVAL);
436 ret = dxva_get_decoder_configuration(avctx, cfg_list, cfg_count);
438 *config = cfg_list[ret];
443 static DXGI_FORMAT d3d11va_map_sw_to_hw_format(enum AVPixelFormat pix_fmt)
446 case AV_PIX_FMT_NV12: return DXGI_FORMAT_NV12;
447 case AV_PIX_FMT_P010: return DXGI_FORMAT_P010;
448 case AV_PIX_FMT_YUV420P: return DXGI_FORMAT_420_OPAQUE;
449 default: return DXGI_FORMAT_UNKNOWN;
453 static int d3d11va_create_decoder(AVCodecContext *avctx)
455 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
457 unsigned guid_count, i;
459 D3D11_VIDEO_DECODER_DESC desc = { 0 };
460 D3D11_VIDEO_DECODER_CONFIG config;
461 AVHWFramesContext *frames_ctx = (AVHWFramesContext *)avctx->hw_frames_ctx->data;
462 AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
463 AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx;
464 DXGI_FORMAT surface_format = d3d11va_map_sw_to_hw_format(frames_ctx->sw_format);
465 D3D11_TEXTURE2D_DESC texdesc;
469 if (!frames_hwctx->texture) {
470 av_log(avctx, AV_LOG_ERROR, "AVD3D11VAFramesContext.texture not set.\n");
471 return AVERROR(EINVAL);
473 ID3D11Texture2D_GetDesc(frames_hwctx->texture, &texdesc);
475 guid_count = ID3D11VideoDevice_GetVideoDecoderProfileCount(device_hwctx->video_device);
476 guid_list = av_malloc_array(guid_count, sizeof(*guid_list));
477 if (guid_list == NULL || guid_count == 0) {
478 av_log(avctx, AV_LOG_ERROR, "Failed to get the decoder GUIDs\n");
480 return AVERROR(EINVAL);
482 for (i = 0; i < guid_count; i++) {
483 hr = ID3D11VideoDevice_GetVideoDecoderProfile(device_hwctx->video_device, i, &guid_list[i]);
485 av_log(avctx, AV_LOG_ERROR, "Failed to retrieve decoder GUID %d\n", i);
487 return AVERROR(EINVAL);
491 ret = dxva_get_decoder_guid(avctx, device_hwctx->video_device, &surface_format,
492 guid_count, guid_list, &decoder_guid);
495 return AVERROR(EINVAL);
497 desc.SampleWidth = avctx->coded_width;
498 desc.SampleHeight = avctx->coded_height;
499 desc.OutputFormat = surface_format;
500 desc.Guid = decoder_guid;
502 ret = d3d11va_get_decoder_configuration(avctx, device_hwctx->video_device, &desc, &config);
504 return AVERROR(EINVAL);
506 sctx->d3d11_views = av_mallocz_array(texdesc.ArraySize, sizeof(sctx->d3d11_views[0]));
507 if (!sctx->d3d11_views)
508 return AVERROR(ENOMEM);
509 sctx->nb_d3d11_views = texdesc.ArraySize;
511 for (i = 0; i < sctx->nb_d3d11_views; i++) {
512 D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc = {
513 .DecodeProfile = decoder_guid,
514 .ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D,
519 hr = ID3D11VideoDevice_CreateVideoDecoderOutputView(device_hwctx->video_device,
520 (ID3D11Resource*) frames_hwctx->texture,
522 (ID3D11VideoDecoderOutputView**) &sctx->d3d11_views[i]);
524 av_log(avctx, AV_LOG_ERROR, "Could not create the decoder output view %d\n", i);
525 return AVERROR_UNKNOWN;
529 hr = ID3D11VideoDevice_CreateVideoDecoder(device_hwctx->video_device, &desc,
530 &config, &sctx->d3d11_decoder);
532 av_log(avctx, AV_LOG_ERROR, "Failed to create D3D11VA video decoder\n");
533 return AVERROR(EINVAL);
536 sctx->d3d11_config = config;
537 sctx->d3d11_texture = frames_hwctx->texture;
539 sctx->decoder_ref = bufref_wrap_interface((IUnknown *)sctx->d3d11_decoder);
540 if (!sctx->decoder_ref)
541 return AVERROR(ENOMEM);
548 static void ff_dxva2_lock(AVCodecContext *avctx)
551 if (ff_dxva2_is_d3d11(avctx)) {
552 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
553 AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
554 if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
555 WaitForSingleObjectEx(D3D11VA_CONTEXT(ctx)->context_mutex, INFINITE, FALSE);
556 if (sctx->device_ctx) {
557 AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx;
558 hwctx->lock(hwctx->lock_ctx);
564 static void ff_dxva2_unlock(AVCodecContext *avctx)
567 if (ff_dxva2_is_d3d11(avctx)) {
568 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
569 AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
570 if (D3D11VA_CONTEXT(ctx)->context_mutex != INVALID_HANDLE_VALUE)
571 ReleaseMutex(D3D11VA_CONTEXT(ctx)->context_mutex);
572 if (sctx->device_ctx) {
573 AVD3D11VADeviceContext *hwctx = sctx->device_ctx->hwctx;
574 hwctx->unlock(hwctx->lock_ctx);
580 int ff_dxva2_common_frame_params(AVCodecContext *avctx,
581 AVBufferRef *hw_frames_ctx)
583 AVHWFramesContext *frames_ctx = (AVHWFramesContext *)hw_frames_ctx->data;
584 AVHWDeviceContext *device_ctx = frames_ctx->device_ctx;
585 int surface_alignment, num_surfaces;
587 if (device_ctx->type == AV_HWDEVICE_TYPE_DXVA2) {
588 frames_ctx->format = AV_PIX_FMT_DXVA2_VLD;
589 } else if (device_ctx->type == AV_HWDEVICE_TYPE_D3D11VA) {
590 frames_ctx->format = AV_PIX_FMT_D3D11;
592 return AVERROR(EINVAL);
595 /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
596 but it causes issues for H.264 on certain AMD GPUs..... */
597 if (avctx->codec_id == AV_CODEC_ID_MPEG2VIDEO)
598 surface_alignment = 32;
599 /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
600 all coding features have enough room to work with */
601 else if (avctx->codec_id == AV_CODEC_ID_HEVC)
602 surface_alignment = 128;
604 surface_alignment = 16;
606 /* 1 base work surface */
609 /* add surfaces based on number of possible refs */
610 if (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_HEVC)
612 else if (avctx->codec_id == AV_CODEC_ID_VP9)
617 /* add extra surfaces for frame threading */
618 if (avctx->active_thread_type & FF_THREAD_FRAME)
619 num_surfaces += avctx->thread_count;
621 frames_ctx->sw_format = avctx->sw_pix_fmt == AV_PIX_FMT_YUV420P10 ?
622 AV_PIX_FMT_P010 : AV_PIX_FMT_NV12;
623 frames_ctx->width = FFALIGN(avctx->coded_width, surface_alignment);
624 frames_ctx->height = FFALIGN(avctx->coded_height, surface_alignment);
625 frames_ctx->initial_pool_size = num_surfaces;
629 if (frames_ctx->format == AV_PIX_FMT_DXVA2_VLD) {
630 AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
632 frames_hwctx->surface_type = DXVA2_VideoDecoderRenderTarget;
637 if (frames_ctx->format == AV_PIX_FMT_D3D11) {
638 AVD3D11VAFramesContext *frames_hwctx = frames_ctx->hwctx;
640 frames_hwctx->BindFlags |= D3D11_BIND_DECODER;
647 int ff_dxva2_decode_init(AVCodecContext *avctx)
649 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
650 AVHWFramesContext *frames_ctx;
651 enum AVHWDeviceType dev_type = avctx->hwaccel->pix_fmt == AV_PIX_FMT_DXVA2_VLD
652 ? AV_HWDEVICE_TYPE_DXVA2 : AV_HWDEVICE_TYPE_D3D11VA;
656 if (avctx->hwaccel_context)
659 // (avctx->pix_fmt is not updated yet at this point)
660 sctx->pix_fmt = avctx->hwaccel->pix_fmt;
662 ret = ff_decode_get_hw_frames_ctx(avctx, dev_type);
666 frames_ctx = (AVHWFramesContext*)avctx->hw_frames_ctx->data;
667 sctx->device_ctx = frames_ctx->device_ctx;
669 if (frames_ctx->format != sctx->pix_fmt) {
670 av_log(avctx, AV_LOG_ERROR, "Invalid pixfmt for hwaccel!\n");
671 ret = AVERROR(EINVAL);
676 if (sctx->pix_fmt == AV_PIX_FMT_D3D11) {
677 AVD3D11VADeviceContext *device_hwctx = frames_ctx->device_ctx->hwctx;
678 AVD3D11VAContext *d3d11_ctx = &sctx->ctx.d3d11va;
680 ff_dxva2_lock(avctx);
681 ret = d3d11va_create_decoder(avctx);
682 ff_dxva2_unlock(avctx);
686 d3d11_ctx->decoder = sctx->d3d11_decoder;
687 d3d11_ctx->video_context = device_hwctx->video_context;
688 d3d11_ctx->cfg = &sctx->d3d11_config;
689 d3d11_ctx->surface_count = sctx->nb_d3d11_views;
690 d3d11_ctx->surface = sctx->d3d11_views;
691 d3d11_ctx->workaround = sctx->workaround;
692 d3d11_ctx->context_mutex = INVALID_HANDLE_VALUE;
697 if (sctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
698 AVDXVA2FramesContext *frames_hwctx = frames_ctx->hwctx;
699 struct dxva_context *dxva_ctx = &sctx->ctx.dxva2;
701 ff_dxva2_lock(avctx);
702 ret = dxva2_create_decoder(avctx);
703 ff_dxva2_unlock(avctx);
707 dxva_ctx->decoder = sctx->dxva2_decoder;
708 dxva_ctx->cfg = &sctx->dxva2_config;
709 dxva_ctx->surface = frames_hwctx->surfaces;
710 dxva_ctx->surface_count = frames_hwctx->nb_surfaces;
711 dxva_ctx->workaround = sctx->workaround;
718 ff_dxva2_decode_uninit(avctx);
722 int ff_dxva2_decode_uninit(AVCodecContext *avctx)
724 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
727 av_buffer_unref(&sctx->decoder_ref);
730 for (i = 0; i < sctx->nb_d3d11_views; i++) {
731 if (sctx->d3d11_views[i])
732 ID3D11VideoDecoderOutputView_Release(sctx->d3d11_views[i]);
734 av_freep(&sctx->d3d11_views);
738 if (sctx->dxva2_service)
739 IDirectXVideoDecoderService_Release(sctx->dxva2_service);
745 static void *get_surface(const AVCodecContext *avctx, const AVFrame *frame)
748 if (frame->format == AV_PIX_FMT_D3D11) {
749 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
750 intptr_t index = (intptr_t)frame->data[1];
751 if (index < 0 || index >= sctx->nb_d3d11_views ||
752 sctx->d3d11_texture != (ID3D11Texture2D *)frame->data[0]) {
753 av_log((void *)avctx, AV_LOG_ERROR, "get_buffer frame is invalid!\n");
756 return sctx->d3d11_views[index];
759 return frame->data[3];
762 unsigned ff_dxva2_get_surface_index(const AVCodecContext *avctx,
763 const AVDXVAContext *ctx,
764 const AVFrame *frame)
766 void *surface = get_surface(avctx, frame);
770 if (avctx->pix_fmt == AV_PIX_FMT_D3D11)
771 return (intptr_t)frame->data[1];
772 if (avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD) {
773 D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
774 ID3D11VideoDecoderOutputView_GetDesc((ID3D11VideoDecoderOutputView*) surface, &viewDesc);
775 return viewDesc.Texture2D.ArraySlice;
779 for (i = 0; i < DXVA_CONTEXT_COUNT(avctx, ctx); i++) {
780 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD && ctx->dxva2.surface[i] == surface)
789 int ff_dxva2_commit_buffer(AVCodecContext *avctx,
791 DECODER_BUFFER_DESC *dsc,
792 unsigned type, const void *data, unsigned size,
801 if (ff_dxva2_is_d3d11(avctx))
802 hr = ID3D11VideoContext_GetDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context,
803 D3D11VA_CONTEXT(ctx)->decoder,
805 &dxva_size, &dxva_data);
808 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
809 hr = IDirectXVideoDecoder_GetBuffer(DXVA2_CONTEXT(ctx)->decoder, type,
810 &dxva_data, &dxva_size);
813 av_log(avctx, AV_LOG_ERROR, "Failed to get a buffer for %u: 0x%x\n",
817 if (size <= dxva_size) {
818 memcpy(dxva_data, data, size);
821 if (ff_dxva2_is_d3d11(avctx)) {
822 D3D11_VIDEO_DECODER_BUFFER_DESC *dsc11 = dsc;
823 memset(dsc11, 0, sizeof(*dsc11));
824 dsc11->BufferType = type;
825 dsc11->DataSize = size;
826 dsc11->NumMBsInBuffer = mb_count;
830 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
831 DXVA2_DecodeBufferDesc *dsc2 = dsc;
832 memset(dsc2, 0, sizeof(*dsc2));
833 dsc2->CompressedBufferType = type;
834 dsc2->DataSize = size;
835 dsc2->NumMBsInBuffer = mb_count;
841 av_log(avctx, AV_LOG_ERROR, "Buffer for type %u was too small\n", type);
846 if (ff_dxva2_is_d3d11(avctx))
847 hr = ID3D11VideoContext_ReleaseDecoderBuffer(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder, type);
850 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
851 hr = IDirectXVideoDecoder_ReleaseBuffer(DXVA2_CONTEXT(ctx)->decoder, type);
854 av_log(avctx, AV_LOG_ERROR,
855 "Failed to release buffer type %u: 0x%x\n",
862 static int frame_add_buf(AVFrame *frame, AVBufferRef *ref)
866 for (i = 0; i < AV_NUM_DATA_POINTERS; i++) {
867 if (!frame->buf[i]) {
868 frame->buf[i] = av_buffer_ref(ref);
869 return frame->buf[i] ? 0 : AVERROR(ENOMEM);
873 // For now we expect that the caller does not use more than
874 // AV_NUM_DATA_POINTERS-1 buffers if the user uses a custom pool.
875 return AVERROR(EINVAL);
878 int ff_dxva2_common_end_frame(AVCodecContext *avctx, AVFrame *frame,
879 const void *pp, unsigned pp_size,
880 const void *qm, unsigned qm_size,
881 int (*commit_bs_si)(AVCodecContext *,
882 DECODER_BUFFER_DESC *bs,
883 DECODER_BUFFER_DESC *slice))
885 AVDXVAContext *ctx = DXVA_CONTEXT(avctx);
886 unsigned buffer_count = 0;
888 D3D11_VIDEO_DECODER_BUFFER_DESC buffer11[4];
891 DXVA2_DecodeBufferDesc buffer2[4];
893 DECODER_BUFFER_DESC *buffer = NULL, *buffer_slice = NULL;
894 int result, runs = 0;
897 FFDXVASharedContext *sctx = DXVA_SHARED_CONTEXT(avctx);
899 if (sctx->decoder_ref) {
900 result = frame_add_buf(frame, sctx->decoder_ref);
906 ff_dxva2_lock(avctx);
908 if (ff_dxva2_is_d3d11(avctx))
909 hr = ID3D11VideoContext_DecoderBeginFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder,
910 get_surface(avctx, frame),
914 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
915 hr = IDirectXVideoDecoder_BeginFrame(DXVA2_CONTEXT(ctx)->decoder,
916 get_surface(avctx, frame),
919 if (hr != E_PENDING || ++runs > 50)
921 ff_dxva2_unlock(avctx);
926 av_log(avctx, AV_LOG_ERROR, "Failed to begin frame: 0x%x\n", (unsigned)hr);
927 ff_dxva2_unlock(avctx);
932 if (ff_dxva2_is_d3d11(avctx)) {
933 buffer = &buffer11[buffer_count];
934 type = D3D11_VIDEO_DECODER_BUFFER_PICTURE_PARAMETERS;
938 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
939 buffer = &buffer2[buffer_count];
940 type = DXVA2_PictureParametersBufferType;
943 result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
947 av_log(avctx, AV_LOG_ERROR,
948 "Failed to add picture parameter buffer\n");
955 if (ff_dxva2_is_d3d11(avctx)) {
956 buffer = &buffer11[buffer_count];
957 type = D3D11_VIDEO_DECODER_BUFFER_INVERSE_QUANTIZATION_MATRIX;
961 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
962 buffer = &buffer2[buffer_count];
963 type = DXVA2_InverseQuantizationMatrixBufferType;
966 result = ff_dxva2_commit_buffer(avctx, ctx, buffer,
970 av_log(avctx, AV_LOG_ERROR,
971 "Failed to add inverse quantization matrix buffer\n");
978 if (ff_dxva2_is_d3d11(avctx)) {
979 buffer = &buffer11[buffer_count + 0];
980 buffer_slice = &buffer11[buffer_count + 1];
984 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
985 buffer = &buffer2[buffer_count + 0];
986 buffer_slice = &buffer2[buffer_count + 1];
990 result = commit_bs_si(avctx,
994 av_log(avctx, AV_LOG_ERROR,
995 "Failed to add bitstream or slice control buffer\n");
1000 /* TODO Film Grain when possible */
1002 assert(buffer_count == 1 + (qm_size > 0) + 2);
1005 if (ff_dxva2_is_d3d11(avctx))
1006 hr = ID3D11VideoContext_SubmitDecoderBuffers(D3D11VA_CONTEXT(ctx)->video_context,
1007 D3D11VA_CONTEXT(ctx)->decoder,
1008 buffer_count, buffer11);
1011 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD) {
1012 DXVA2_DecodeExecuteParams exec = {
1013 .NumCompBuffers = buffer_count,
1014 .pCompressedBuffers = buffer2,
1015 .pExtensionData = NULL,
1017 hr = IDirectXVideoDecoder_Execute(DXVA2_CONTEXT(ctx)->decoder, &exec);
1021 av_log(avctx, AV_LOG_ERROR, "Failed to execute: 0x%x\n", (unsigned)hr);
1027 if (ff_dxva2_is_d3d11(avctx))
1028 hr = ID3D11VideoContext_DecoderEndFrame(D3D11VA_CONTEXT(ctx)->video_context, D3D11VA_CONTEXT(ctx)->decoder);
1031 if (avctx->pix_fmt == AV_PIX_FMT_DXVA2_VLD)
1032 hr = IDirectXVideoDecoder_EndFrame(DXVA2_CONTEXT(ctx)->decoder, NULL);
1034 ff_dxva2_unlock(avctx);
1036 av_log(avctx, AV_LOG_ERROR, "Failed to end frame: 0x%x\n", (unsigned)hr);
1043 int ff_dxva2_is_d3d11(const AVCodecContext *avctx)
1046 return avctx->pix_fmt == AV_PIX_FMT_D3D11VA_VLD ||
1047 avctx->pix_fmt == AV_PIX_FMT_D3D11;