git.sesse.net Git - vlc/blob - modules/codec/avcodec/dxva2.c

   1 /*****************************************************************************
   2  * va.c: Video Acceleration helpers
   3  *****************************************************************************
   4  * Copyright (C) 2009 Geoffroy Couprie
   5  * Copyright (C) 2009 Laurent Aimar
   6  * $Id$
   7  *
   8  * Authors: Geoffroy Couprie <geal@videolan.org>
   9  *          Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 #ifdef HAVE_CONFIG_H
  27 # include "config.h"
  28 #endif
  29
  30 #include <vlc_common.h>
  31 #include <vlc_picture.h>
  32 #include <vlc_fourcc.h>
  33 #include <vlc_cpu.h>
  34 #include <assert.h>
  35
  36 #ifdef HAVE_LIBAVCODEC_AVCODEC_H
  37 #   include <libavcodec/avcodec.h>
  38 #   ifdef HAVE_AVCODEC_DXVA2
  39 #       define DXVA2API_USE_BITFIELDS
  40 #       include <libavcodec/dxva2.h>
  41 #   endif
  42 #elif defined(HAVE_FFMPEG_AVCODEC_H)
  43 #   include <ffmpeg/avcodec.h>
  44 #else
  45 #   include <avcodec.h>
  46 #endif
  47
  48 #include "avcodec.h"
  49 #include "va.h"
  50 #include "copy.h"
  51
  52 #ifdef HAVE_AVCODEC_DXVA2
  53
  54 #include <windows.h>
  55 #include <windowsx.h>
  56 #include <ole2.h>
  57 #include <commctrl.h>
  58 #include <shlwapi.h>
  59 #include <d3d9.h>
  60
  61 /* */
  62 #define DXVA2_E_NOT_INITIALIZED     MAKE_HRESULT(1, 4, 4096)
  63 #define DXVA2_E_NEW_VIDEO_DEVICE    MAKE_HRESULT(1, 4, 4097)
  64 #define DXVA2_E_VIDEO_DEVICE_LOCKED MAKE_HRESULT(1, 4, 4098)
  65 #define DXVA2_E_NOT_AVAILABLE       MAKE_HRESULT(1, 4, 4099)
  66
  67 static const GUID DXVA2_ModeMPEG2_MoComp = {
  68     0xe6a9f44b, 0x61b0, 0x4563, {0x9e,0xa4,0x63,0xd2,0xa3,0xc6,0xfe,0x66}
  69 };
  70 static const GUID DXVA2_ModeMPEG2_IDCT = {
  71   0xbf22ad00, 0x03ea, 0x4690, {0x80,0x77,0x47,0x33,0x46,0x20,0x9b,0x7e}
  72 };
  73 static const GUID DXVA2_ModeMPEG2_VLD = {
  74    0xee27417f, 0x5e28, 0x4e65, {0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9}
  75 };
  76
  77 static const GUID DXVA2_ModeH264_A = {
  78     0x1b81be64, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  79 };
  80 static const GUID DXVA2_ModeH264_B = {
  81     0x1b81be65, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  82 };
  83 static const GUID DXVA2_ModeH264_C = {
  84     0x1b81be66, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  85 };
  86 static const GUID DXVA2_ModeH264_D = {
  87     0x1b81be67, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  88 };
  89 static const GUID DXVA2_ModeH264_E = {
  90     0x1b81be68, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  91 };
  92 static const GUID DXVA2_ModeH264_F = {
  93     0x1b81be69, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  94 };
  95 static const GUID DXVADDI_Intel_ModeH264_A = {
  96     0x604F8E64, 0x4951,0x4c54, {0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6}
  97 };
  98 static const GUID DXVADDI_Intel_ModeH264_C = {
  99     0x604F8E66,0x4951, 0x4c54, {0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6}
 100 };
 101 static const GUID DXVADDI_Intel_ModeH264_E = {
 102     0x604F8E68,0x4951, 0x4c54, {0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6}
 103 };
 104 static const GUID DXVA2_ModeWMV8_A = {
 105     0x1b81be80, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 106 };
 107 static const GUID DXVA2_ModeWMV8_B = {
 108     0x1b81be81, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 109 };
 110 static const GUID DXVA2_ModeWMV9_A = {
 111     0x1b81be90, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 112 };
 113 static const GUID DXVA2_ModeWMV9_B = {
 114     0x1b81be91, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 115 };
 116 static const GUID DXVA2_ModeWMV9_C = {
 117     0x1b81be94, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 118 };
 119
 120 static const GUID DXVA2_ModeVC1_A = {
 121     0x1b81beA0, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 122 };
 123 static const GUID DXVA2_ModeVC1_B = {
 124     0x1b81beA1, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 125 };
 126 static const GUID DXVA2_ModeVC1_C = {
 127     0x1b81beA2, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 128 };
 129 static const GUID DXVA2_ModeVC1_D = {
 130     0x1b81beA3, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 131 };
 132
 133 static const GUID DXVA_NoEncrypt = {
 134     0x1b81bed0, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 135 };
 136
 137 /* */
 138 typedef struct {
 139     const char   *name;
 140     const GUID   *guid;
 141     int          codec;
 142 } dxva2_mode_t;
 143 /* XXX Prefered modes must come first */
 144 static const dxva2_mode_t dxva2_modes[] = {
 145     { "DXVA2_ModeMPEG2_VLD",    &DXVA2_ModeMPEG2_VLD,     CODEC_ID_MPEG2VIDEO },
 146     { "DXVA2_ModeMPEG2_MoComp", &DXVA2_ModeMPEG2_MoComp,  0 },
 147     { "DXVA2_ModeMPEG2_IDCT",   &DXVA2_ModeMPEG2_IDCT,    0 },
 148
 149     { "H.264 variable-length decoder (VLD), FGT",               &DXVA2_ModeH264_F,         CODEC_ID_H264 },
 150     { "H.264 VLD, no FGT",                                      &DXVA2_ModeH264_E,         CODEC_ID_H264 },
 151     { "H.264 VLD, no FGT (Intel)",                              &DXVADDI_Intel_ModeH264_E, CODEC_ID_H264 },
 152     { "H.264 IDCT, FGT",                                        &DXVA2_ModeH264_D,         0             },
 153     { "H.264 inverse discrete cosine transform (IDCT), no FGT", &DXVA2_ModeH264_C,         0             },
 154     { "H.264 inverse discrete cosine transform (IDCT), no FGT (Intel)", &DXVADDI_Intel_ModeH264_C, 0     },
 155     { "H.264 MoComp, FGT",                                      &DXVA2_ModeH264_B,         0             },
 156     { "H.264 motion compensation (MoComp), no FGT",             &DXVA2_ModeH264_A,         0             },
 157     { "H.264 motion compensation (MoComp), no FGT (Intel)",     &DXVADDI_Intel_ModeH264_A, 0             },
 158
 159     { "Windows Media Video 8 MoComp",           &DXVA2_ModeWMV8_B, 0 },
 160     { "Windows Media Video 8 post processing",  &DXVA2_ModeWMV8_A, 0 },
 161
 162     {  "Windows Media Video 9 IDCT",            &DXVA2_ModeWMV9_C, 0 },
 163     {  "Windows Media Video 9 MoComp",          &DXVA2_ModeWMV9_B, 0 },
 164     {  "Windows Media Video 9 post processing", &DXVA2_ModeWMV9_A, 0 },
 165
 166     { "VC-1 VLD",             &DXVA2_ModeVC1_D, CODEC_ID_VC1 },
 167     { "VC-1 VLD",             &DXVA2_ModeVC1_D, CODEC_ID_WMV3 },
 168     { "VC-1 IDCT",            &DXVA2_ModeVC1_C, 0 },
 169     { "VC-1 MoComp",          &DXVA2_ModeVC1_B, 0 },
 170     { "VC-1 post processing", &DXVA2_ModeVC1_A, 0 },
 171
 172     { NULL, NULL, 0 }
 173 };
 174
 175 static const dxva2_mode_t *Dxva2FindMode(const GUID *guid)
 176 {
 177     for (unsigned i = 0; dxva2_modes[i].name; i++) {
 178         if (IsEqualGUID(dxva2_modes[i].guid, guid))
 179             return &dxva2_modes[i];
 180     }
 181     return NULL;
 182 }
 183
 184 /* */
 185 typedef struct {
 186     const char   *name;
 187     D3DFORMAT    format;
 188     vlc_fourcc_t codec;
 189 } d3d_format_t;
 190 /* XXX Prefered format must come first */
 191 static const d3d_format_t d3d_formats[] = {
 192     { "YV12",   MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_YV12 },
 193     { "NV12",   MAKEFOURCC('N','V','1','2'),    VLC_CODEC_NV12 },
 194
 195     { NULL, 0, 0 }
 196 };
 197
 198 static const d3d_format_t *D3dFindFormat(D3DFORMAT format)
 199 {
 200     for (unsigned i = 0; d3d_formats[i].name; i++) {
 201         if (d3d_formats[i].format == format)
 202             return &d3d_formats[i];
 203     }
 204     return NULL;
 205 }
 206
 207 static const GUID IID_IDirectXVideoDecoderService = {
 208     0xfc51a551, 0xd5e7, 0x11d9, {0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02}
 209 };
 210 static const GUID IID_IDirectXVideoAccelerationService = {
 211     0xfc51a550, 0xd5e7, 0x11d9, {0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02}
 212 };
 213
 214 /* */
 215 typedef struct {
 216     LPDIRECT3DSURFACE9 d3d;
 217     int                refcount;
 218     unsigned int       order;
 219 } vlc_va_surface_t;
 220
 221 #define VA_DXVA2_MAX_SURFACE_COUNT (64)
 222 typedef struct
 223 {
 224     /* */
 225     vlc_va_t va;
 226
 227     /* */
 228     vlc_object_t *log;
 229     int          codec_id;
 230
 231     /* DLL */
 232         HINSTANCE             hd3d9_dll;
 233     HINSTANCE             hdxva2_dll;
 234
 235     /* Direct3D */
 236     D3DPRESENT_PARAMETERS  d3dpp;
 237     LPDIRECT3D9            d3dobj;
 238     D3DADAPTER_IDENTIFIER9 d3dai;
 239     LPDIRECT3DDEVICE9      d3ddev;
 240
 241     /* Device manager */
 242     UINT                     token;
 243     IDirect3DDeviceManager9  *devmng;
 244     HANDLE                   device;
 245
 246     /* Video service */
 247     IDirectXVideoDecoderService  *vs;
 248     GUID                         input;
 249     D3DFORMAT                    render;
 250
 251     /* Video decoder */
 252     DXVA2_ConfigPictureDecode    cfg;
 253     IDirectXVideoDecoder         *decoder;
 254
 255     /* Option conversion */
 256     D3DFORMAT                    output;
 257     copy_cache_t                 surface_cache;
 258
 259     /* */
 260     struct dxva_context hw;
 261
 262     /* */
 263     unsigned     surface_count;
 264     unsigned     surface_order;
 265     int          surface_width;
 266     int          surface_height;
 267     vlc_fourcc_t surface_chroma;
 268
 269     vlc_va_surface_t surface[VA_DXVA2_MAX_SURFACE_COUNT];
 270     LPDIRECT3DSURFACE9 hw_surface[VA_DXVA2_MAX_SURFACE_COUNT];
 271 } vlc_va_dxva2_t;
 272
 273 /* */
 274 static vlc_va_dxva2_t *vlc_va_dxva2_Get(void *external)
 275 {
 276     assert(external == (void*)(&((vlc_va_dxva2_t*)external)->va));
 277     return external;
 278 }
 279
 280 /* */
 281 static int D3dCreateDevice(vlc_va_dxva2_t *);
 282 static void D3dDestroyDevice(vlc_va_dxva2_t *);
 283 static char *DxDescribe(vlc_va_dxva2_t *);
 284
 285 static int D3dCreateDeviceManager(vlc_va_dxva2_t *);
 286 static void D3dDestroyDeviceManager(vlc_va_dxva2_t *);
 287
 288 static int DxCreateVideoService(vlc_va_dxva2_t *);
 289 static void DxDestroyVideoService(vlc_va_dxva2_t *);
 290 static int DxFindVideoServiceConversion(vlc_va_dxva2_t *, GUID *input, D3DFORMAT *output);
 291
 292 static int DxCreateVideoDecoder(vlc_va_dxva2_t *,
 293                                 int codec_id, const video_format_t *);
 294 static void DxDestroyVideoDecoder(vlc_va_dxva2_t *);
 295 static int DxResetVideoDecoder(vlc_va_dxva2_t *);
 296
 297 static void DxCreateVideoConversion(vlc_va_dxva2_t *);
 298 static void DxDestroyVideoConversion(vlc_va_dxva2_t *);
 299
 300 /* */
 301 static int Setup(vlc_va_t *external, void **hw, vlc_fourcc_t *chroma,
 302                  int width, int height)
 303 {
 304     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 305
 306     if (va->surface_width  == width &&
 307         va->surface_height == height)
 308         goto ok;
 309
 310     /* */
 311     DxDestroyVideoConversion(va);
 312     DxDestroyVideoDecoder(va);
 313
 314     *hw = NULL;
 315     *chroma = 0;
 316     if (width <= 0 || height <= 0)
 317         return VLC_EGENERIC;
 318
 319     /* FIXME transmit a video_format_t by VaSetup directly */
 320     video_format_t fmt;
 321     memset(&fmt, 0, sizeof(fmt));
 322     fmt.i_width = width;
 323     fmt.i_height = height;
 324
 325     if (DxCreateVideoDecoder(va, va->codec_id, &fmt))
 326         return VLC_EGENERIC;
 327     /* */
 328     va->hw.decoder = va->decoder;
 329     va->hw.cfg = &va->cfg;
 330     va->hw.surface_count = va->surface_count;
 331     va->hw.surface = va->hw_surface;
 332     for (unsigned i = 0; i < va->surface_count; i++)
 333         va->hw.surface[i] = va->surface[i].d3d;
 334
 335     /* */
 336     DxCreateVideoConversion(va);
 337
 338     /* */
 339 ok:
 340     *hw = &va->hw;
 341     const d3d_format_t *output = D3dFindFormat(va->output);
 342     *chroma = output->codec;
 343
 344     return VLC_SUCCESS;
 345 }
 346
 347 static int Extract(vlc_va_t *external, picture_t *picture, AVFrame *ff)
 348 {
 349     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 350     LPDIRECT3DSURFACE9 d3d = (LPDIRECT3DSURFACE9)(uintptr_t)ff->data[3];
 351
 352     if (!va->surface_cache.buffer)
 353         return VLC_EGENERIC;
 354
 355     /* */
 356     assert(va->output == MAKEFOURCC('Y','V','1','2'));
 357
 358     /* */
 359     D3DLOCKED_RECT lock;
 360     if (FAILED(IDirect3DSurface9_LockRect(d3d, &lock, NULL, D3DLOCK_READONLY))) {
 361         msg_Err(va->log, "Failed to lock surface");
 362         return VLC_EGENERIC;
 363     }
 364
 365     if (va->render == MAKEFOURCC('Y','V','1','2')) {
 366         uint8_t *plane[3] = {
 367             lock.pBits,
 368             (uint8_t*)lock.pBits + lock.Pitch * va->surface_height,
 369             (uint8_t*)lock.pBits + lock.Pitch * va->surface_height
 370                                  + (lock.Pitch/2) * (va->surface_height/2)
 371         };
 372         size_t  pitch[3] = {
 373             lock.Pitch,
 374             lock.Pitch / 2,
 375             lock.Pitch / 2,
 376         };
 377         CopyFromYv12(picture, plane, pitch,
 378                      va->surface_width, va->surface_height,
 379                      &va->surface_cache);
 380     } else {
 381         assert(va->render == MAKEFOURCC('N','V','1','2'));
 382         uint8_t *plane[2] = {
 383             lock.pBits,
 384             (uint8_t*)lock.pBits + lock.Pitch * va->surface_height
 385         };
 386         size_t  pitch[2] = {
 387             lock.Pitch,
 388             lock.Pitch,
 389         };
 390         CopyFromNv12(picture, plane, pitch,
 391                      va->surface_width, va->surface_height,
 392                      &va->surface_cache);
 393     }
 394
 395     /* */
 396     IDirect3DSurface9_UnlockRect(d3d);
 397     return VLC_SUCCESS;
 398 }
 399 /* FIXME it is nearly common with VAAPI */
 400 static int Get(vlc_va_t *external, AVFrame *ff)
 401 {
 402     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 403
 404     /* Check the device */
 405     HRESULT hr = IDirect3DDeviceManager9_TestDevice(va->devmng, va->device);
 406     if (hr == DXVA2_E_NEW_VIDEO_DEVICE) {
 407         if (DxResetVideoDecoder(va))
 408             return VLC_EGENERIC;
 409     } else if (FAILED(hr)) {
 410         msg_Err(va->log, "IDirect3DDeviceManager9_TestDevice %u", (unsigned)hr);
 411         return VLC_EGENERIC;
 412     }
 413
 414     /* Grab an unused surface, in case none are, try the oldest
 415      * XXX using the oldest is a workaround in case a problem happens with ffmpeg */
 416     unsigned i, old;
 417     for (i = 0, old = 0; i < va->surface_count; i++) {
 418         vlc_va_surface_t *surface = &va->surface[i];
 419
 420         if (!surface->refcount)
 421             break;
 422
 423         if (surface->order < va->surface[old].order)
 424             old = i;
 425     }
 426     if (i >= va->surface_count)
 427         i = old;
 428
 429     vlc_va_surface_t *surface = &va->surface[i];
 430
 431     surface->refcount = 1;
 432     surface->order = va->surface_order++;
 433
 434     /* */
 435     for (int i = 0; i < 4; i++) {
 436         ff->data[i] = NULL;
 437         ff->linesize[i] = 0;
 438
 439         if (i == 0 || i == 3)
 440             ff->data[i] = (void*)surface->d3d;/* Yummie */
 441     }
 442     return VLC_SUCCESS;
 443 }
 444 static void Release(vlc_va_t *external, AVFrame *ff)
 445 {
 446     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 447     LPDIRECT3DSURFACE9 d3d = (LPDIRECT3DSURFACE9)(uintptr_t)ff->data[3];
 448
 449     for (unsigned i = 0; i < va->surface_count; i++) {
 450         vlc_va_surface_t *surface = &va->surface[i];
 451
 452         if (surface->d3d == d3d)
 453             surface->refcount--;
 454     }
 455 }
 456 static void Close(vlc_va_t *external)
 457 {
 458     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 459
 460     DxDestroyVideoConversion(va);
 461     DxDestroyVideoDecoder(va);
 462     DxDestroyVideoService(va);
 463     D3dDestroyDeviceManager(va);
 464     D3dDestroyDevice(va);
 465
 466     if (va->hdxva2_dll)
 467         FreeLibrary(va->hdxva2_dll);
 468     if (va->hd3d9_dll)
 469         FreeLibrary(va->hd3d9_dll);
 470
 471     free(va->va.description);
 472     free(va);
 473 }
 474
 475 vlc_va_t *vlc_va_NewDxva2(vlc_object_t *log, int codec_id)
 476 {
 477     vlc_va_dxva2_t *va = calloc(1, sizeof(*va));
 478     if (!va)
 479         return NULL;
 480
 481     /* */
 482     va->log = log;
 483     va->codec_id = codec_id;
 484
 485     /* Load dll*/
 486     va->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
 487     if (!va->hd3d9_dll) {
 488         msg_Warn(va->log, "cannot load d3d9.dll");
 489         goto error;
 490     }
 491     va->hdxva2_dll = LoadLibrary(TEXT("DXVA2.DLL"));
 492     if (!va->hdxva2_dll) {
 493         msg_Warn(va->log, "cannot load dxva2.dll");
 494         goto error;
 495     }
 496     msg_Dbg(va->log, "DLLs loaded");
 497
 498     /* */
 499     if (D3dCreateDevice(va)) {
 500         msg_Err(va->log, "Failed to create Direct3D device");
 501         goto error;
 502     }
 503     msg_Dbg(va->log, "D3dCreateDevice succeed");
 504
 505     if (D3dCreateDeviceManager(va)) {
 506         msg_Err(va->log, "D3dCreateDeviceManager failed");
 507         goto error;
 508     }
 509
 510     if (DxCreateVideoService(va)) {
 511         msg_Err(va->log, "DxCreateVideoService failed");
 512         goto error;
 513     }
 514
 515     /* */
 516     if (DxFindVideoServiceConversion(va, &va->input, &va->render)) {
 517         msg_Err(va->log, "DxFindVideoServiceConversion failed");
 518         goto error;
 519     }
 520
 521     /* TODO print the hardware name/vendor for debugging purposes */
 522     va->va.description = DxDescribe(va);
 523     va->va.setup   = Setup;
 524     va->va.get     = Get;
 525     va->va.release = Release;
 526     va->va.extract = Extract;
 527     va->va.close   = Close;
 528     return &va->va;
 529
 530 error:
 531     Close(&va->va);
 532     return NULL;
 533 }
 534 /* */
 535
 536 /**
 537  * It creates a Direct3D device usable for DXVA 2
 538  */
 539 static int D3dCreateDevice(vlc_va_dxva2_t *va)
 540 {
 541     /* */
 542     LPDIRECT3D9 (WINAPI *Create9)(UINT SDKVersion);
 543     Create9 = (void *)GetProcAddress(va->hd3d9_dll,
 544                                      TEXT("Direct3DCreate9"));
 545     if (!Create9) {
 546         msg_Err(va->log, "Cannot locate reference to Direct3DCreate9 ABI in DLL");
 547         return VLC_EGENERIC;
 548     }
 549
 550     /* */
 551     LPDIRECT3D9 d3dobj;
 552     d3dobj = Create9(D3D_SDK_VERSION);
 553     if (!d3dobj) {
 554         msg_Err(va->log, "Direct3DCreate9 failed");
 555         return VLC_EGENERIC;
 556     }
 557     va->d3dobj = d3dobj;
 558
 559     /* */
 560     D3DADAPTER_IDENTIFIER9 *d3dai = &va->d3dai;
 561     if (FAILED(IDirect3D9_GetAdapterIdentifier(va->d3dobj,
 562                                                D3DADAPTER_DEFAULT, 0, d3dai))) {
 563         msg_Warn(va->log, "IDirect3D9_GetAdapterIdentifier failed");
 564         ZeroMemory(d3dai, sizeof(*d3dai));
 565     }
 566
 567     /* */
 568     D3DPRESENT_PARAMETERS *d3dpp = &va->d3dpp;
 569     ZeroMemory(d3dpp, sizeof(*d3dpp));
 570     d3dpp->Flags                  = D3DPRESENTFLAG_VIDEO;
 571     d3dpp->Windowed               = TRUE;
 572     d3dpp->hDeviceWindow          = NULL;
 573     d3dpp->SwapEffect             = D3DSWAPEFFECT_DISCARD;
 574     d3dpp->MultiSampleType        = D3DMULTISAMPLE_NONE;
 575     d3dpp->PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
 576     d3dpp->BackBufferCount        = 0;                  /* FIXME what to put here */
 577     d3dpp->BackBufferFormat       = D3DFMT_X8R8G8B8;    /* FIXME what to put here */
 578     d3dpp->BackBufferWidth        = 0;
 579     d3dpp->BackBufferHeight       = 0;
 580     d3dpp->EnableAutoDepthStencil = FALSE;
 581
 582     /* Direct3D needs a HWND to create a device, even without using ::Present
 583     this HWND is used to alert Direct3D when there's a change of focus window.
 584     For now, use GetShellWindow, as it looks harmless */
 585     LPDIRECT3DDEVICE9 d3ddev;
 586     if (FAILED(IDirect3D9_CreateDevice(d3dobj, D3DADAPTER_DEFAULT,
 587                                        D3DDEVTYPE_HAL, GetShellWindow(),
 588                                        D3DCREATE_SOFTWARE_VERTEXPROCESSING |
 589                                        D3DCREATE_MULTITHREADED,
 590                                        d3dpp, &d3ddev))) {
 591         msg_Err(va->log, "IDirect3D9_CreateDevice failed");
 592         return VLC_EGENERIC;
 593     }
 594     va->d3ddev = d3ddev;
 595
 596     return VLC_SUCCESS;
 597 }
 598 /**
 599  * It releases a Direct3D device and its resources.
 600  */
 601 static void D3dDestroyDevice(vlc_va_dxva2_t *va)
 602 {
 603     if (va->d3ddev)
 604         IDirect3DDevice9_Release(va->d3ddev);
 605     if (va->d3dobj)
 606         IDirect3D9_Release(va->d3dobj);
 607 }
 608 /**
 609  * It describes our Direct3D object
 610  */
 611 static char *DxDescribe(vlc_va_dxva2_t *va)
 612 {
 613     static const struct {
 614         unsigned id;
 615         char     name[32];
 616     } vendors [] = {
 617         { 0x1002, "ATI" },
 618         { 0x10DE, "NVIDIA" },
 619         { 0x8086, "Intel" },
 620         { 0x5333, "S3 Graphics" },
 621         { 0, "" }
 622     };
 623     D3DADAPTER_IDENTIFIER9 *id = &va->d3dai;
 624
 625     const char *vendor = "Unknown";
 626     for (int i = 0; vendors[i].id != 0; i++) {
 627         if (vendors[i].id == id->VendorId) {
 628             vendor = vendors[i].name;
 629             break;
 630         }
 631     }
 632
 633     char *description;
 634     if (asprintf(&description, "DXVA2 (%.*s, vendor %d(%s), device %d, revision %d)",
 635                  sizeof(id->Description), id->Description,
 636                  id->VendorId, vendor, id->DeviceId, id->Revision) < 0)
 637         return NULL;
 638     return description;
 639 }
 640
 641 /**
 642  * It creates a Direct3D device manager
 643  */
 644 static int D3dCreateDeviceManager(vlc_va_dxva2_t *va)
 645 {
 646     HRESULT (WINAPI *CreateDeviceManager9)(UINT *pResetToken,
 647                                            IDirect3DDeviceManager9 **);
 648     CreateDeviceManager9 =
 649       (void *)GetProcAddress(va->hdxva2_dll,
 650                              TEXT("DXVA2CreateDirect3DDeviceManager9"));
 651
 652     if (!CreateDeviceManager9) {
 653         msg_Err(va->log, "cannot load function\n");
 654         return VLC_EGENERIC;
 655     }
 656     msg_Dbg(va->log, "OurDirect3DCreateDeviceManager9 Success!");
 657
 658     UINT token;
 659     IDirect3DDeviceManager9 *devmng;
 660     if (FAILED(CreateDeviceManager9(&token, &devmng))) {
 661         msg_Err(va->log, " OurDirect3DCreateDeviceManager9 failed");
 662         return VLC_EGENERIC;
 663     }
 664     va->token  = token;
 665     va->devmng = devmng;
 666     msg_Info(va->log, "obtained IDirect3DDeviceManager9");
 667
 668     HRESULT hr = IDirect3DDeviceManager9_ResetDevice(devmng, va->d3ddev, token);
 669     if (FAILED(hr)) {
 670         msg_Err(va->log, "IDirect3DDeviceManager9_ResetDevice failed: %08x", (unsigned)hr);
 671         return VLC_EGENERIC;
 672     }
 673     return VLC_SUCCESS;
 674 }
 675 /**
 676  * It destroys a Direct3D device manager
 677  */
 678 static void D3dDestroyDeviceManager(vlc_va_dxva2_t *va)
 679 {
 680     if (va->devmng)
 681         IDirect3DDeviceManager9_Release(va->devmng);
 682 }
 683
 684 /**
 685  * It creates a DirectX video service
 686  */
 687 static int DxCreateVideoService(vlc_va_dxva2_t *va)
 688 {
 689     HRESULT (WINAPI *CreateVideoService)(IDirect3DDevice9 *,
 690                                          REFIID riid,
 691                                          void **ppService);
 692     CreateVideoService =
 693       (void *)GetProcAddress(va->hdxva2_dll,
 694                              TEXT("DXVA2CreateVideoService"));
 695
 696     if (!CreateVideoService) {
 697         msg_Err(va->log, "cannot load function\n");
 698         return 4;
 699     }
 700     msg_Info(va->log, "DXVA2CreateVideoService Success!");
 701
 702     HRESULT hr;
 703
 704     HANDLE device;
 705     hr = IDirect3DDeviceManager9_OpenDeviceHandle(va->devmng, &device);
 706     if (FAILED(hr)) {
 707         msg_Err(va->log, "OpenDeviceHandle failed");
 708         return VLC_EGENERIC;
 709     }
 710     va->device = device;
 711
 712     IDirectXVideoDecoderService *vs;
 713     hr = IDirect3DDeviceManager9_GetVideoService(va->devmng, device,
 714                                                  &IID_IDirectXVideoDecoderService,
 715                                                  &vs);
 716     if (FAILED(hr)) {
 717         msg_Err(va->log, "GetVideoService failed");
 718         return VLC_EGENERIC;
 719     }
 720     va->vs = vs;
 721
 722     return VLC_SUCCESS;
 723 }
 724 /**
 725  * It destroys a DirectX video service
 726  */
 727 static void DxDestroyVideoService(vlc_va_dxva2_t *va)
 728 {
 729     if (va->device)
 730         IDirect3DDeviceManager9_CloseDeviceHandle(va->devmng, va->device);
 731     if (va->vs)
 732         IDirectXVideoDecoderService_Release(va->vs);
 733 }
 734 /**
 735  * Find the best suited decoder mode GUID and render format.
 736  */
 737 static int DxFindVideoServiceConversion(vlc_va_dxva2_t *va, GUID *input, D3DFORMAT *output)
 738 {
 739     /* Retreive supported modes from the decoder service */
 740     UINT input_count = 0;
 741     GUID *input_list = NULL;
 742     if (FAILED(IDirectXVideoDecoderService_GetDecoderDeviceGuids(va->vs,
 743                                                                  &input_count,
 744                                                                  &input_list))) {
 745         msg_Err(va->log, "IDirectXVideoDecoderService_GetDecoderDeviceGuids failed");
 746         return VLC_EGENERIC;
 747     }
 748     for (unsigned i = 0; i < input_count; i++) {
 749         const GUID *g = &input_list[i];
 750         const dxva2_mode_t *mode = Dxva2FindMode(g);
 751         if (mode) {
 752             msg_Dbg(va->log, "- '%s' is supported by hardware", mode->name);
 753         } else {
 754             msg_Warn(va->log, "- Unknown GUID = %08X-%04x-%04x-XXXX",
 755                      (unsigned)g->Data1, g->Data2, g->Data3);
 756         }
 757     }
 758
 759     /* Try all supported mode by our priority */
 760     for (unsigned i = 0; dxva2_modes[i].name; i++) {
 761         const dxva2_mode_t *mode = &dxva2_modes[i];
 762         if (!mode->codec || mode->codec != va->codec_id)
 763             continue;
 764
 765         /* */
 766         bool is_suported = false;
 767         for (const GUID *g = &input_list[0]; !is_suported && g < &input_list[input_count]; g++) {
 768             is_suported = IsEqualGUID(mode->guid, g);
 769         }
 770         if (!is_suported)
 771             continue;
 772
 773         /* */
 774         msg_Dbg(va->log, "Trying to use '%s' as input", mode->name);
 775         UINT      output_count = 0;
 776         D3DFORMAT *output_list = NULL;
 777         if (FAILED(IDirectXVideoDecoderService_GetDecoderRenderTargets(va->vs, mode->guid,
 778                                                                        &output_count,
 779                                                                        &output_list))) {
 780             msg_Err(va->log, "IDirectXVideoDecoderService_GetDecoderRenderTargets failed");
 781             continue;
 782         }
 783         for (unsigned j = 0; j < output_count; j++) {
 784             const D3DFORMAT f = output_list[j];
 785             const d3d_format_t *format = D3dFindFormat(f);
 786             if (format) {
 787                 msg_Dbg(va->log, "%s is supported for output", format->name);
 788             } else {
 789                 msg_Dbg(va->log, "%d is supported for output (%4.4s)", f, (const char*)&f);
 790             }
 791         }
 792
 793         /* */
 794         for (unsigned j = 0; d3d_formats[j].name; j++) {
 795             const d3d_format_t *format = &d3d_formats[j];
 796
 797             /* */
 798             bool is_suported = false;
 799             for (unsigned k = 0; !is_suported && k < output_count; k++) {
 800                 is_suported = format->format == output_list[k];
 801             }
 802             if (!is_suported)
 803                 continue;
 804
 805             /* We have our solution */
 806             msg_Dbg(va->log, "Using '%s' to decode to '%s'", mode->name, format->name);
 807             *input  = *mode->guid;
 808             *output = format->format;
 809             CoTaskMemFree(output_list);
 810             CoTaskMemFree(input_list);
 811             return VLC_SUCCESS;
 812         }
 813         CoTaskMemFree(output_list);
 814     }
 815     CoTaskMemFree(input_list);
 816     return VLC_EGENERIC;
 817 }
 818
 819 /**
 820  * It creates a DXVA2 decoder using the given video format
 821  */
 822 static int DxCreateVideoDecoder(vlc_va_dxva2_t *va,
 823                                 int codec_id, const video_format_t *fmt)
 824 {
 825     /* */
 826     msg_Dbg(va->log, "DxCreateVideoDecoder id %d %dx%d",
 827             codec_id, fmt->i_width, fmt->i_height);
 828
 829     /* Allocates all surfaces needed for the decoder */
 830     switch (codec_id) {
 831     case CODEC_ID_H264:
 832         va->surface_count = 16 + 1;
 833         break;
 834     default:
 835         va->surface_count = 2 + 1;
 836         break;
 837     }
 838     LPDIRECT3DSURFACE9 surface_list[VA_DXVA2_MAX_SURFACE_COUNT];
 839     if (FAILED(IDirectXVideoDecoderService_CreateSurface(va->vs,
 840                                                          fmt->i_width,
 841                                                          fmt->i_height,
 842                                                          va->surface_count - 1,
 843                                                          va->render,
 844                                                          D3DPOOL_DEFAULT,
 845                                                          0,
 846                                                          DXVA2_VideoDecoderRenderTarget,
 847                                                          surface_list,
 848                                                          NULL))) {
 849         msg_Err(va->log, "IDirectXVideoAccelerationService_CreateSurface failed\n");
 850         va->surface_count = 0;
 851         return VLC_EGENERIC;
 852     }
 853     for (unsigned i = 0; i < va->surface_count; i++) {
 854         vlc_va_surface_t *surface = &va->surface[i];
 855         surface->d3d = surface_list[i];
 856         surface->refcount = 0;
 857         surface->order = 0;
 858     }
 859     va->surface_width  = fmt->i_width;
 860     va->surface_height = fmt->i_height;
 861     msg_Dbg(va->log, "IDirectXVideoAccelerationService_CreateSurface succeed with %d surfaces (%dx%d)",
 862             va->surface_count, fmt->i_width, fmt->i_height);
 863
 864     /* */
 865     DXVA2_VideoDesc dsc;
 866     ZeroMemory(&dsc, sizeof(dsc));
 867     dsc.SampleWidth     = fmt->i_width;
 868     dsc.SampleHeight    = fmt->i_height;
 869     dsc.Format          = va->render;
 870     if (fmt->i_frame_rate > 0 && fmt->i_frame_rate_base > 0) {
 871         dsc.InputSampleFreq.Numerator   = fmt->i_frame_rate;
 872         dsc.InputSampleFreq.Denominator = fmt->i_frame_rate_base;
 873     } else {
 874         dsc.InputSampleFreq.Numerator   = 0;
 875         dsc.InputSampleFreq.Denominator = 0;
 876     }
 877     dsc.OutputFrameFreq = dsc.InputSampleFreq;
 878     dsc.UABProtectionLevel = FALSE;
 879     dsc.Reserved = 0;
 880
 881     /* FIXME I am unsure we can let unknown everywhere */
 882     DXVA2_ExtendedFormat *ext = &dsc.SampleFormat;
 883     ext->SampleFormat = 0;//DXVA2_SampleUnknown;
 884     ext->VideoChromaSubsampling = 0;//DXVA2_VideoChromaSubsampling_Unknown;
 885     ext->NominalRange = 0;//DXVA2_NominalRange_Unknown;
 886     ext->VideoTransferMatrix = 0;//DXVA2_VideoTransferMatrix_Unknown;
 887     ext->VideoLighting = 0;//DXVA2_VideoLighting_Unknown;
 888     ext->VideoPrimaries = 0;//DXVA2_VideoPrimaries_Unknown;
 889     ext->VideoTransferFunction = 0;//DXVA2_VideoTransFunc_Unknown;
 890
 891     /* List all configurations available for the decoder */
 892     UINT                      cfg_count = 0;
 893     DXVA2_ConfigPictureDecode *cfg_list = NULL;
 894     if (FAILED(IDirectXVideoDecoderService_GetDecoderConfigurations(va->vs,
 895                                                                     &va->input,
 896                                                                     &dsc,
 897                                                                     NULL,
 898                                                                     &cfg_count,
 899                                                                     &cfg_list))) {
 900         msg_Err(va->log, "IDirectXVideoDecoderService_GetDecoderConfigurations failed\n");
 901         return VLC_EGENERIC;
 902     }
 903     msg_Dbg(va->log, "we got %d decoder configurations", cfg_count);
 904
 905     /* Select the best decoder configuration */
 906     int cfg_score = 0;
 907     for (unsigned i = 0; i < cfg_count; i++) {
 908         const DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
 909
 910         /* */
 911         msg_Dbg(va->log, "configuration[%d] ConfigBitstreamRaw %d",
 912                 i, cfg->ConfigBitstreamRaw);
 913
 914         /* */
 915         int score;
 916         if (cfg->ConfigBitstreamRaw == 1)
 917             score = 1;
 918         else if (codec_id == CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
 919             score = 2;
 920         else
 921             continue;
 922         if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA_NoEncrypt))
 923             score += 16;
 924
 925         if (cfg_score < score) {
 926             va->cfg = *cfg;
 927             cfg_score = score;
 928         }
 929     }
 930     CoTaskMemFree(cfg_list);
 931     if (cfg_score <= 0) {
 932         msg_Err(va->log, "Failed to find a supported decoder configuration");
 933         return VLC_EGENERIC;
 934     }
 935
 936     /* Create the decoder */
 937     IDirectXVideoDecoder *decoder;
 938     if (FAILED(IDirectXVideoDecoderService_CreateVideoDecoder(va->vs,
 939                                                               &va->input,
 940                                                               &dsc,
 941                                                               &va->cfg,
 942                                                               surface_list,
 943                                                               va->surface_count,
 944                                                               &decoder))) {
 945         msg_Err(va->log, "IDirectXVideoDecoderService_CreateVideoDecoder failed\n");
 946         return VLC_EGENERIC;
 947     }
 948     va->decoder = decoder;
 949     msg_Dbg(va->log, "IDirectXVideoDecoderService_CreateVideoDecoder succeed");
 950     return VLC_SUCCESS;
 951 }
 952 static void DxDestroyVideoDecoder(vlc_va_dxva2_t *va)
 953 {
 954     if (va->decoder)
 955         IDirectXVideoDecoder_Release(va->decoder);
 956     va->decoder = NULL;
 957
 958     for (unsigned i = 0; i < va->surface_count; i++)
 959         IDirect3DSurface9_Release(va->surface[i].d3d);
 960     va->surface_count = 0;
 961 }
 962 static int DxResetVideoDecoder(vlc_va_dxva2_t *va)
 963 {
 964     msg_Err(va->log, "DxResetVideoDecoder unimplemented");
 965     return VLC_EGENERIC;
 966 }
 967
 968 static void DxCreateVideoConversion(vlc_va_dxva2_t *va)
 969 {
 970     switch (va->render) {
 971     case MAKEFOURCC('N','V','1','2'):
 972         va->output = MAKEFOURCC('Y','V','1','2');
 973         break;
 974     default:
 975         va->output = va->render;
 976         break;
 977     }
 978     CopyInitCache(&va->surface_cache, va->surface_width);
 979 }
 980 static void DxDestroyVideoConversion(vlc_va_dxva2_t *va)
 981 {
 982     CopyCleanCache(&va->surface_cache);
 983 }
 984 #else
 985 vlc_va_t *vlc_va_NewDxva2(vlc_object_t *log, int codec_id)
 986 {
 987     (void)log;
 988     (void)codec_id;
 989     return NULL;
 990 }
 991 #endif