ffmpeg: add progress speed to status line and report
[ffmpeg.git] / ffmpeg_dxva2.c
1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18
19 #include <windows.h>
20
21 #ifdef _WIN32_WINNT
22 #undef _WIN32_WINNT
23 #endif
24 #define _WIN32_WINNT 0x0600
25 #define DXVA2API_USE_BITFIELDS
26 #define COBJMACROS
27
28 #include <stdint.h>
29
30 #include <d3d9.h>
31 #include <dxva2api.h>
32
33 #include "ffmpeg.h"
34
35 #include "libavcodec/dxva2.h"
36
37 #include "libavutil/avassert.h"
38 #include "libavutil/buffer.h"
39 #include "libavutil/frame.h"
40 #include "libavutil/imgutils.h"
41 #include "libavutil/pixfmt.h"
42
43 /* define all the GUIDs used directly here,
44    to avoid problems with inconsistent dxva2api.h versions in mingw-w64 and different MSVC version */
45 #include <initguid.h>
46 DEFINE_GUID(IID_IDirectXVideoDecoderService, 0xfc51a551,0xd5e7,0x11d9,0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
47
48 DEFINE_GUID(DXVA2_ModeMPEG2_VLD,      0xee27417f, 0x5e28,0x4e65,0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9);
49 DEFINE_GUID(DXVA2_ModeMPEG2and1_VLD,  0x86695f12, 0x340e,0x4f04,0x9f,0xd3,0x92,0x53,0xdd,0x32,0x74,0x60);
50 DEFINE_GUID(DXVA2_ModeH264_E,         0x1b81be68, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
51 DEFINE_GUID(DXVA2_ModeH264_F,         0x1b81be69, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
52 DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68, 0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
53 DEFINE_GUID(DXVA2_ModeVC1_D,          0x1b81beA3, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
54 DEFINE_GUID(DXVA2_ModeVC1_D2010,      0x1b81beA4, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
55 DEFINE_GUID(DXVA2_ModeHEVC_VLD_Main,  0x5b11d51b, 0x2f4c,0x4452,0xbc,0xc3,0x09,0xf2,0xa1,0x16,0x0c,0xc0);
56 DEFINE_GUID(DXVA2_ModeVP9_VLD_Profile0, 0x463707f8, 0xa1d0,0x4585,0x87,0x6d,0x83,0xaa,0x6d,0x60,0xb8,0x9e);
57 DEFINE_GUID(DXVA2_NoEncrypt,          0x1b81beD0, 0xa0c7,0x11d3,0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5);
58 DEFINE_GUID(GUID_NULL,                0x00000000, 0x0000,0x0000,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00);
59
60 typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
61 typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
62
63 typedef struct dxva2_mode {
64   const GUID     *guid;
65   enum AVCodecID codec;
66 } dxva2_mode;
67
68 static const dxva2_mode dxva2_modes[] = {
69     /* MPEG-2 */
70     { &DXVA2_ModeMPEG2_VLD,      AV_CODEC_ID_MPEG2VIDEO },
71     { &DXVA2_ModeMPEG2and1_VLD,  AV_CODEC_ID_MPEG2VIDEO },
72
73     /* H.264 */
74     { &DXVA2_ModeH264_F,         AV_CODEC_ID_H264 },
75     { &DXVA2_ModeH264_E,         AV_CODEC_ID_H264 },
76     /* Intel specific H.264 mode */
77     { &DXVADDI_Intel_ModeH264_E, AV_CODEC_ID_H264 },
78
79     /* VC-1 / WMV3 */
80     { &DXVA2_ModeVC1_D2010,      AV_CODEC_ID_VC1  },
81     { &DXVA2_ModeVC1_D2010,      AV_CODEC_ID_WMV3 },
82     { &DXVA2_ModeVC1_D,          AV_CODEC_ID_VC1  },
83     { &DXVA2_ModeVC1_D,          AV_CODEC_ID_WMV3 },
84
85     /* HEVC/H.265 */
86     { &DXVA2_ModeHEVC_VLD_Main,  AV_CODEC_ID_HEVC },
87
88     /* VP8/9 */
89     { &DXVA2_ModeVP9_VLD_Profile0, AV_CODEC_ID_VP9 },
90
91     { NULL,                      0 },
92 };
93
94 typedef struct surface_info {
95     int used;
96     uint64_t age;
97 } surface_info;
98
99 typedef struct DXVA2Context {
100     HMODULE d3dlib;
101     HMODULE dxva2lib;
102
103     HANDLE  deviceHandle;
104
105     IDirect3D9                  *d3d9;
106     IDirect3DDevice9            *d3d9device;
107     IDirect3DDeviceManager9     *d3d9devmgr;
108     IDirectXVideoDecoderService *decoder_service;
109     IDirectXVideoDecoder        *decoder;
110
111     GUID                        decoder_guid;
112     DXVA2_ConfigPictureDecode   decoder_config;
113
114     LPDIRECT3DSURFACE9          *surfaces;
115     surface_info                *surface_infos;
116     uint32_t                    num_surfaces;
117     uint64_t                    surface_age;
118
119     AVFrame                     *tmp_frame;
120 } DXVA2Context;
121
122 typedef struct DXVA2SurfaceWrapper {
123     DXVA2Context         *ctx;
124     LPDIRECT3DSURFACE9   surface;
125     IDirectXVideoDecoder *decoder;
126 } DXVA2SurfaceWrapper;
127
128 static void dxva2_destroy_decoder(AVCodecContext *s)
129 {
130     InputStream  *ist = s->opaque;
131     DXVA2Context *ctx = ist->hwaccel_ctx;
132     int i;
133
134     if (ctx->surfaces) {
135         for (i = 0; i < ctx->num_surfaces; i++) {
136             if (ctx->surfaces[i])
137                 IDirect3DSurface9_Release(ctx->surfaces[i]);
138         }
139     }
140     av_freep(&ctx->surfaces);
141     av_freep(&ctx->surface_infos);
142     ctx->num_surfaces = 0;
143     ctx->surface_age  = 0;
144
145     if (ctx->decoder) {
146         IDirectXVideoDecoder_Release(ctx->decoder);
147         ctx->decoder = NULL;
148     }
149 }
150
151 static void dxva2_uninit(AVCodecContext *s)
152 {
153     InputStream  *ist = s->opaque;
154     DXVA2Context *ctx = ist->hwaccel_ctx;
155
156     ist->hwaccel_uninit        = NULL;
157     ist->hwaccel_get_buffer    = NULL;
158     ist->hwaccel_retrieve_data = NULL;
159
160     if (ctx->decoder)
161         dxva2_destroy_decoder(s);
162
163     if (ctx->decoder_service)
164         IDirectXVideoDecoderService_Release(ctx->decoder_service);
165
166     if (ctx->d3d9devmgr && ctx->deviceHandle != INVALID_HANDLE_VALUE)
167         IDirect3DDeviceManager9_CloseDeviceHandle(ctx->d3d9devmgr, ctx->deviceHandle);
168
169     if (ctx->d3d9devmgr)
170         IDirect3DDeviceManager9_Release(ctx->d3d9devmgr);
171
172     if (ctx->d3d9device)
173         IDirect3DDevice9_Release(ctx->d3d9device);
174
175     if (ctx->d3d9)
176         IDirect3D9_Release(ctx->d3d9);
177
178     if (ctx->d3dlib)
179         FreeLibrary(ctx->d3dlib);
180
181     if (ctx->dxva2lib)
182         FreeLibrary(ctx->dxva2lib);
183
184     av_frame_free(&ctx->tmp_frame);
185
186     av_freep(&ist->hwaccel_ctx);
187     av_freep(&s->hwaccel_context);
188 }
189
190 static void dxva2_release_buffer(void *opaque, uint8_t *data)
191 {
192     DXVA2SurfaceWrapper *w   = opaque;
193     DXVA2Context        *ctx = w->ctx;
194     int i;
195
196     for (i = 0; i < ctx->num_surfaces; i++) {
197         if (ctx->surfaces[i] == w->surface) {
198             ctx->surface_infos[i].used = 0;
199             break;
200         }
201     }
202     IDirect3DSurface9_Release(w->surface);
203     IDirectXVideoDecoder_Release(w->decoder);
204     av_free(w);
205 }
206
207 static int dxva2_get_buffer(AVCodecContext *s, AVFrame *frame, int flags)
208 {
209     InputStream  *ist = s->opaque;
210     DXVA2Context *ctx = ist->hwaccel_ctx;
211     int i, old_unused = -1;
212     LPDIRECT3DSURFACE9 surface;
213     DXVA2SurfaceWrapper *w = NULL;
214
215     av_assert0(frame->format == AV_PIX_FMT_DXVA2_VLD);
216
217     for (i = 0; i < ctx->num_surfaces; i++) {
218         surface_info *info = &ctx->surface_infos[i];
219         if (!info->used && (old_unused == -1 || info->age < ctx->surface_infos[old_unused].age))
220             old_unused = i;
221     }
222     if (old_unused == -1) {
223         av_log(NULL, AV_LOG_ERROR, "No free DXVA2 surface!\n");
224         return AVERROR(ENOMEM);
225     }
226     i = old_unused;
227
228     surface = ctx->surfaces[i];
229
230     w = av_mallocz(sizeof(*w));
231     if (!w)
232         return AVERROR(ENOMEM);
233
234     frame->buf[0] = av_buffer_create((uint8_t*)surface, 0,
235                                      dxva2_release_buffer, w,
236                                      AV_BUFFER_FLAG_READONLY);
237     if (!frame->buf[0]) {
238         av_free(w);
239         return AVERROR(ENOMEM);
240     }
241
242     w->ctx     = ctx;
243     w->surface = surface;
244     IDirect3DSurface9_AddRef(w->surface);
245     w->decoder = ctx->decoder;
246     IDirectXVideoDecoder_AddRef(w->decoder);
247
248     ctx->surface_infos[i].used = 1;
249     ctx->surface_infos[i].age  = ctx->surface_age++;
250
251     frame->data[3] = (uint8_t *)surface;
252
253     return 0;
254 }
255
256 static int dxva2_retrieve_data(AVCodecContext *s, AVFrame *frame)
257 {
258     LPDIRECT3DSURFACE9 surface =  (LPDIRECT3DSURFACE9)frame->data[3];
259     InputStream        *ist = s->opaque;
260     DXVA2Context       *ctx = ist->hwaccel_ctx;
261     D3DSURFACE_DESC    surfaceDesc;
262     D3DLOCKED_RECT     LockedRect;
263     HRESULT            hr;
264     int                ret;
265
266     IDirect3DSurface9_GetDesc(surface, &surfaceDesc);
267
268     ctx->tmp_frame->width  = frame->width;
269     ctx->tmp_frame->height = frame->height;
270     ctx->tmp_frame->format = AV_PIX_FMT_NV12;
271
272     ret = av_frame_get_buffer(ctx->tmp_frame, 32);
273     if (ret < 0)
274         return ret;
275
276     hr = IDirect3DSurface9_LockRect(surface, &LockedRect, NULL, D3DLOCK_READONLY);
277     if (FAILED(hr)) {
278         av_log(NULL, AV_LOG_ERROR, "Unable to lock DXVA2 surface\n");
279         return AVERROR_UNKNOWN;
280     }
281
282     av_image_copy_plane(ctx->tmp_frame->data[0], ctx->tmp_frame->linesize[0],
283                         (uint8_t*)LockedRect.pBits,
284                         LockedRect.Pitch, frame->width, frame->height);
285
286     av_image_copy_plane(ctx->tmp_frame->data[1], ctx->tmp_frame->linesize[1],
287                         (uint8_t*)LockedRect.pBits + LockedRect.Pitch * surfaceDesc.Height,
288                         LockedRect.Pitch, frame->width, frame->height / 2);
289
290     IDirect3DSurface9_UnlockRect(surface);
291
292     ret = av_frame_copy_props(ctx->tmp_frame, frame);
293     if (ret < 0)
294         goto fail;
295
296     av_frame_unref(frame);
297     av_frame_move_ref(frame, ctx->tmp_frame);
298
299     return 0;
300 fail:
301     av_frame_unref(ctx->tmp_frame);
302     return ret;
303 }
304
305 static int dxva2_alloc(AVCodecContext *s)
306 {
307     InputStream  *ist = s->opaque;
308     int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
309     DXVA2Context *ctx;
310     pDirect3DCreate9      *createD3D = NULL;
311     pCreateDeviceManager9 *createDeviceManager = NULL;
312     HRESULT hr;
313     D3DPRESENT_PARAMETERS d3dpp = {0};
314     D3DDISPLAYMODE        d3ddm;
315     unsigned resetToken = 0;
316     UINT adapter = D3DADAPTER_DEFAULT;
317
318     ctx = av_mallocz(sizeof(*ctx));
319     if (!ctx)
320         return AVERROR(ENOMEM);
321
322     ctx->deviceHandle = INVALID_HANDLE_VALUE;
323
324     ist->hwaccel_ctx           = ctx;
325     ist->hwaccel_uninit        = dxva2_uninit;
326     ist->hwaccel_get_buffer    = dxva2_get_buffer;
327     ist->hwaccel_retrieve_data = dxva2_retrieve_data;
328
329     ctx->d3dlib = LoadLibrary("d3d9.dll");
330     if (!ctx->d3dlib) {
331         av_log(NULL, loglevel, "Failed to load D3D9 library\n");
332         goto fail;
333     }
334     ctx->dxva2lib = LoadLibrary("dxva2.dll");
335     if (!ctx->dxva2lib) {
336         av_log(NULL, loglevel, "Failed to load DXVA2 library\n");
337         goto fail;
338     }
339
340     createD3D = (pDirect3DCreate9 *)GetProcAddress(ctx->d3dlib, "Direct3DCreate9");
341     if (!createD3D) {
342         av_log(NULL, loglevel, "Failed to locate Direct3DCreate9\n");
343         goto fail;
344     }
345     createDeviceManager = (pCreateDeviceManager9 *)GetProcAddress(ctx->dxva2lib, "DXVA2CreateDirect3DDeviceManager9");
346     if (!createDeviceManager) {
347         av_log(NULL, loglevel, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
348         goto fail;
349     }
350
351     ctx->d3d9 = createD3D(D3D_SDK_VERSION);
352     if (!ctx->d3d9) {
353         av_log(NULL, loglevel, "Failed to create IDirect3D object\n");
354         goto fail;
355     }
356
357     if (ist->hwaccel_device) {
358         adapter = atoi(ist->hwaccel_device);
359         av_log(NULL, AV_LOG_INFO, "Using HWAccel device %d\n", adapter);
360     }
361
362     IDirect3D9_GetAdapterDisplayMode(ctx->d3d9, adapter, &d3ddm);
363     d3dpp.Windowed         = TRUE;
364     d3dpp.BackBufferWidth  = 640;
365     d3dpp.BackBufferHeight = 480;
366     d3dpp.BackBufferCount  = 0;
367     d3dpp.BackBufferFormat = d3ddm.Format;
368     d3dpp.SwapEffect       = D3DSWAPEFFECT_DISCARD;
369     d3dpp.Flags            = D3DPRESENTFLAG_VIDEO;
370
371     hr = IDirect3D9_CreateDevice(ctx->d3d9, adapter, D3DDEVTYPE_HAL, GetDesktopWindow(),
372                                  D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_MULTITHREADED | D3DCREATE_FPU_PRESERVE,
373                                  &d3dpp, &ctx->d3d9device);
374     if (FAILED(hr)) {
375         av_log(NULL, loglevel, "Failed to create Direct3D device\n");
376         goto fail;
377     }
378
379     hr = createDeviceManager(&resetToken, &ctx->d3d9devmgr);
380     if (FAILED(hr)) {
381         av_log(NULL, loglevel, "Failed to create Direct3D device manager\n");
382         goto fail;
383     }
384
385     hr = IDirect3DDeviceManager9_ResetDevice(ctx->d3d9devmgr, ctx->d3d9device, resetToken);
386     if (FAILED(hr)) {
387         av_log(NULL, loglevel, "Failed to bind Direct3D device to device manager\n");
388         goto fail;
389     }
390
391     hr = IDirect3DDeviceManager9_OpenDeviceHandle(ctx->d3d9devmgr, &ctx->deviceHandle);
392     if (FAILED(hr)) {
393         av_log(NULL, loglevel, "Failed to open device handle\n");
394         goto fail;
395     }
396
397     hr = IDirect3DDeviceManager9_GetVideoService(ctx->d3d9devmgr, ctx->deviceHandle, &IID_IDirectXVideoDecoderService, (void **)&ctx->decoder_service);
398     if (FAILED(hr)) {
399         av_log(NULL, loglevel, "Failed to create IDirectXVideoDecoderService\n");
400         goto fail;
401     }
402
403     ctx->tmp_frame = av_frame_alloc();
404     if (!ctx->tmp_frame)
405         goto fail;
406
407     s->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
408     if (!s->hwaccel_context)
409         goto fail;
410
411     return 0;
412 fail:
413     dxva2_uninit(s);
414     return AVERROR(EINVAL);
415 }
416
417 static int dxva2_get_decoder_configuration(AVCodecContext *s, const GUID *device_guid,
418                                            const DXVA2_VideoDesc *desc,
419                                            DXVA2_ConfigPictureDecode *config)
420 {
421     InputStream  *ist = s->opaque;
422     int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
423     DXVA2Context *ctx = ist->hwaccel_ctx;
424     unsigned cfg_count = 0, best_score = 0;
425     DXVA2_ConfigPictureDecode *cfg_list = NULL;
426     DXVA2_ConfigPictureDecode best_cfg = {{0}};
427     HRESULT hr;
428     int i;
429
430     hr = IDirectXVideoDecoderService_GetDecoderConfigurations(ctx->decoder_service, device_guid, desc, NULL, &cfg_count, &cfg_list);
431     if (FAILED(hr)) {
432         av_log(NULL, loglevel, "Unable to retrieve decoder configurations\n");
433         return AVERROR(EINVAL);
434     }
435
436     for (i = 0; i < cfg_count; i++) {
437         DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
438
439         unsigned score;
440         if (cfg->ConfigBitstreamRaw == 1)
441             score = 1;
442         else if (s->codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
443             score = 2;
444         else
445             continue;
446         if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA2_NoEncrypt))
447             score += 16;
448         if (score > best_score) {
449             best_score = score;
450             best_cfg   = *cfg;
451         }
452     }
453     CoTaskMemFree(cfg_list);
454
455     if (!best_score) {
456         av_log(NULL, loglevel, "No valid decoder configuration available\n");
457         return AVERROR(EINVAL);
458     }
459
460     *config = best_cfg;
461     return 0;
462 }
463
464 static int dxva2_create_decoder(AVCodecContext *s)
465 {
466     InputStream  *ist = s->opaque;
467     int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
468     DXVA2Context *ctx = ist->hwaccel_ctx;
469     struct dxva_context *dxva_ctx = s->hwaccel_context;
470     GUID *guid_list = NULL;
471     unsigned guid_count = 0, i, j;
472     GUID device_guid = GUID_NULL;
473     D3DFORMAT target_format = 0;
474     DXVA2_VideoDesc desc = { 0 };
475     DXVA2_ConfigPictureDecode config;
476     HRESULT hr;
477     int surface_alignment;
478     int ret;
479
480     hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(ctx->decoder_service, &guid_count, &guid_list);
481     if (FAILED(hr)) {
482         av_log(NULL, loglevel, "Failed to retrieve decoder device GUIDs\n");
483         goto fail;
484     }
485
486     for (i = 0; dxva2_modes[i].guid; i++) {
487         D3DFORMAT *target_list = NULL;
488         unsigned target_count = 0;
489         const dxva2_mode *mode = &dxva2_modes[i];
490         if (mode->codec != s->codec_id)
491             continue;
492
493         for (j = 0; j < guid_count; j++) {
494             if (IsEqualGUID(mode->guid, &guid_list[j]))
495                 break;
496         }
497         if (j == guid_count)
498             continue;
499
500         hr = IDirectXVideoDecoderService_GetDecoderRenderTargets(ctx->decoder_service, mode->guid, &target_count, &target_list);
501         if (FAILED(hr)) {
502             continue;
503         }
504         for (j = 0; j < target_count; j++) {
505             const D3DFORMAT format = target_list[j];
506             if (format == MKTAG('N','V','1','2')) {
507                 target_format = format;
508                 break;
509             }
510         }
511         CoTaskMemFree(target_list);
512         if (target_format) {
513             device_guid = *mode->guid;
514             break;
515         }
516     }
517     CoTaskMemFree(guid_list);
518
519     if (IsEqualGUID(&device_guid, &GUID_NULL)) {
520         av_log(NULL, loglevel, "No decoder device for codec found\n");
521         goto fail;
522     }
523
524     desc.SampleWidth  = s->coded_width;
525     desc.SampleHeight = s->coded_height;
526     desc.Format       = target_format;
527
528     ret = dxva2_get_decoder_configuration(s, &device_guid, &desc, &config);
529     if (ret < 0) {
530         goto fail;
531     }
532
533     /* decoding MPEG-2 requires additional alignment on some Intel GPUs,
534        but it causes issues for H.264 on certain AMD GPUs..... */
535     if (s->codec_id == AV_CODEC_ID_MPEG2VIDEO)
536         surface_alignment = 32;
537     /* the HEVC DXVA2 spec asks for 128 pixel aligned surfaces to ensure
538        all coding features have enough room to work with */
539     else if  (s->codec_id == AV_CODEC_ID_HEVC)
540         surface_alignment = 128;
541     else
542         surface_alignment = 16;
543
544     /* 4 base work surfaces */
545     ctx->num_surfaces = 4;
546
547     /* add surfaces based on number of possible refs */
548     if (s->codec_id == AV_CODEC_ID_H264 || s->codec_id == AV_CODEC_ID_HEVC)
549         ctx->num_surfaces += 16;
550     else if (s->codec_id == AV_CODEC_ID_VP9)
551         ctx->num_surfaces += 8;
552     else
553         ctx->num_surfaces += 2;
554
555     /* add extra surfaces for frame threading */
556     if (s->active_thread_type & FF_THREAD_FRAME)
557         ctx->num_surfaces += s->thread_count;
558
559     ctx->surfaces      = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surfaces));
560     ctx->surface_infos = av_mallocz(ctx->num_surfaces * sizeof(*ctx->surface_infos));
561
562     if (!ctx->surfaces || !ctx->surface_infos) {
563         av_log(NULL, loglevel, "Unable to allocate surface arrays\n");
564         goto fail;
565     }
566
567     hr = IDirectXVideoDecoderService_CreateSurface(ctx->decoder_service,
568                                                    FFALIGN(s->coded_width, surface_alignment),
569                                                    FFALIGN(s->coded_height, surface_alignment),
570                                                    ctx->num_surfaces - 1,
571                                                    target_format, D3DPOOL_DEFAULT, 0,
572                                                    DXVA2_VideoDecoderRenderTarget,
573                                                    ctx->surfaces, NULL);
574     if (FAILED(hr)) {
575         av_log(NULL, loglevel, "Failed to create %d video surfaces\n", ctx->num_surfaces);
576         goto fail;
577     }
578
579     hr = IDirectXVideoDecoderService_CreateVideoDecoder(ctx->decoder_service, &device_guid,
580                                                         &desc, &config, ctx->surfaces,
581                                                         ctx->num_surfaces, &ctx->decoder);
582     if (FAILED(hr)) {
583         av_log(NULL, loglevel, "Failed to create DXVA2 video decoder\n");
584         goto fail;
585     }
586
587     ctx->decoder_guid   = device_guid;
588     ctx->decoder_config = config;
589
590     dxva_ctx->cfg           = &ctx->decoder_config;
591     dxva_ctx->decoder       = ctx->decoder;
592     dxva_ctx->surface       = ctx->surfaces;
593     dxva_ctx->surface_count = ctx->num_surfaces;
594
595     if (IsEqualGUID(&ctx->decoder_guid, &DXVADDI_Intel_ModeH264_E))
596         dxva_ctx->workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
597
598     return 0;
599 fail:
600     dxva2_destroy_decoder(s);
601     return AVERROR(EINVAL);
602 }
603
604 int dxva2_init(AVCodecContext *s)
605 {
606     InputStream *ist = s->opaque;
607     int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
608     DXVA2Context *ctx;
609     int ret;
610
611     if (!ist->hwaccel_ctx) {
612         ret = dxva2_alloc(s);
613         if (ret < 0)
614             return ret;
615     }
616     ctx = ist->hwaccel_ctx;
617
618     if (s->codec_id == AV_CODEC_ID_H264 &&
619         (s->profile & ~FF_PROFILE_H264_CONSTRAINED) > FF_PROFILE_H264_HIGH) {
620         av_log(NULL, loglevel, "Unsupported H.264 profile for DXVA2 HWAccel: %d\n", s->profile);
621         return AVERROR(EINVAL);
622     }
623
624     if (ctx->decoder)
625         dxva2_destroy_decoder(s);
626
627     ret = dxva2_create_decoder(s);
628     if (ret < 0) {
629         av_log(NULL, loglevel, "Error creating the DXVA2 decoder\n");
630         return ret;
631     }
632
633     return 0;
634 }