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
  51 #ifdef HAVE_AVCODEC_DXVA2
  52
  53 #include <windows.h>
  54 #include <windowsx.h>
  55 #include <ole2.h>
  56 #include <commctrl.h>
  57 #include <shlwapi.h>
  58 #include <d3d9.h>
  59
  60 /* FIXME */
  61 #define CoTaskMemFree(x)
  62
  63 /* */
  64 #define DXVA2_E_NOT_INITIALIZED     MAKE_HRESULT(1, 4, 4096)
  65 #define DXVA2_E_NEW_VIDEO_DEVICE    MAKE_HRESULT(1, 4, 4097)
  66 #define DXVA2_E_VIDEO_DEVICE_LOCKED MAKE_HRESULT(1, 4, 4098)
  67 #define DXVA2_E_NOT_AVAILABLE       MAKE_HRESULT(1, 4, 4099)
  68
  69 static const GUID DXVA2_ModeMPEG2_MoComp = {
  70     0xe6a9f44b, 0x61b0, 0x4563, {0x9e,0xa4,0x63,0xd2,0xa3,0xc6,0xfe,0x66}
  71 };
  72 static const GUID DXVA2_ModeMPEG2_IDCT = {
  73   0xbf22ad00, 0x03ea, 0x4690, {0x80,0x77,0x47,0x33,0x46,0x20,0x9b,0x7e}
  74 };
  75 static const GUID DXVA2_ModeMPEG2_VLD = {
  76    0xee27417f, 0x5e28, 0x4e65, {0xbe,0xea,0x1d,0x26,0xb5,0x08,0xad,0xc9}
  77 };
  78
  79 static const GUID DXVA2_ModeH264_A = {
  80     0x1b81be64, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  81 };
  82 static const GUID DXVA2_ModeH264_B = {
  83     0x1b81be65, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  84 };
  85 static const GUID DXVA2_ModeH264_C = {
  86     0x1b81be66, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  87 };
  88 static const GUID DXVA2_ModeH264_D = {
  89     0x1b81be67, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  90 };
  91 static const GUID DXVA2_ModeH264_E = {
  92     0x1b81be68, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  93 };
  94 static const GUID DXVA2_ModeH264_F = {
  95     0x1b81be69, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
  96 };
  97 static const GUID DXVADDI_Intel_ModeH264_A = {
  98     0x604F8E64, 0x4951,0x4c54, {0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6}
  99 };
 100 static const GUID DXVADDI_Intel_ModeH264_C = {
 101     0x604F8E66,0x4951, 0x4c54, {0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6}
 102 };
 103 static const GUID DXVADDI_Intel_ModeH264_E = {
 104     0x604F8E68,0x4951, 0x4c54, {0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6}
 105 };
 106 static const GUID DXVA2_ModeWMV8_A = {
 107     0x1b81be80, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 108 };
 109 static const GUID DXVA2_ModeWMV8_B = {
 110     0x1b81be81, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 111 };
 112 static const GUID DXVA2_ModeWMV9_A = {
 113     0x1b81be90, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 114 };
 115 static const GUID DXVA2_ModeWMV9_B = {
 116     0x1b81be91, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 117 };
 118 static const GUID DXVA2_ModeWMV9_C = {
 119     0x1b81be94, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 120 };
 121
 122 static const GUID DXVA2_ModeVC1_A = {
 123     0x1b81beA0, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 124 };
 125 static const GUID DXVA2_ModeVC1_B = {
 126     0x1b81beA1, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 127 };
 128 static const GUID DXVA2_ModeVC1_C = {
 129     0x1b81beA2, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 130 };
 131 static const GUID DXVA2_ModeVC1_D = {
 132     0x1b81beA3, 0xa0c7,0x11d3, {0xb9,0x84,0x00,0xc0,0x4f,0x2e,0x73,0xc5}
 133 };
 134
 135 /* */
 136 typedef struct {
 137     const char   *name;
 138     const GUID   *guid;
 139     int          codec;
 140 } dxva2_mode_t;
 141 /* XXX Prefered modes must come first */
 142 static const dxva2_mode_t dxva2_modes[] = {
 143     { "DXVA2_ModeMPEG2_VLD",    &DXVA2_ModeMPEG2_VLD,     0 },
 144     { "DXVA2_ModeMPEG2_MoComp", &DXVA2_ModeMPEG2_MoComp,  0 },
 145     { "DXVA2_ModeMPEG2_IDCT",   &DXVA2_ModeMPEG2_IDCT,    0 },
 146
 147     { "H.264 variable-length decoder (VLD), FGT",               &DXVA2_ModeH264_F,         CODEC_ID_H264 },
 148     { "H.264 VLD, no FGT",                                      &DXVA2_ModeH264_E,         CODEC_ID_H264 },
 149     { "H.264 VLD, no FGT (Intel)",                              &DXVADDI_Intel_ModeH264_E, CODEC_ID_H264 },
 150     { "H.264 IDCT, FGT",                                        &DXVA2_ModeH264_D,         0             },
 151     { "H.264 inverse discrete cosine transform (IDCT), no FGT", &DXVA2_ModeH264_C,         0             },
 152     { "H.264 inverse discrete cosine transform (IDCT), no FGT (Intel)", &DXVADDI_Intel_ModeH264_C, 0     },
 153     { "H.264 MoComp, FGT",                                      &DXVA2_ModeH264_B,         0             },
 154     { "H.264 motion compensation (MoComp), no FGT",             &DXVA2_ModeH264_A,         0             },
 155     { "H.264 motion compensation (MoComp), no FGT (Intel)",     &DXVADDI_Intel_ModeH264_A, 0             },
 156
 157     { "Windows Media Video 8 MoComp",           &DXVA2_ModeWMV8_B, 0 },
 158     { "Windows Media Video 8 post processing",  &DXVA2_ModeWMV8_A, 0 },
 159
 160     {  "Windows Media Video 9 IDCT",            &DXVA2_ModeWMV9_C, 0 },
 161     {  "Windows Media Video 9 MoComp",          &DXVA2_ModeWMV9_B, 0 },
 162     {  "Windows Media Video 9 post processing", &DXVA2_ModeWMV9_A, 0 },
 163
 164     { "VC-1 VLD",             &DXVA2_ModeVC1_D, CODEC_ID_VC1 },
 165     { "VC-1 VLD",             &DXVA2_ModeVC1_D, CODEC_ID_WMV3 },
 166     { "VC-1 IDCT",            &DXVA2_ModeVC1_C, 0 },
 167     { "VC-1 MoComp",          &DXVA2_ModeVC1_B, 0 },
 168     { "VC-1 post processing", &DXVA2_ModeVC1_A, 0 },
 169
 170     { NULL, NULL, 0 }
 171 };
 172
 173 static const dxva2_mode_t *Dxva2FindMode(const GUID *guid)
 174 {
 175     for (unsigned i = 0; dxva2_modes[i].name; i++) {
 176         if (IsEqualGUID(dxva2_modes[i].guid, guid))
 177             return &dxva2_modes[i];
 178     }
 179     return NULL;
 180 }
 181
 182 /* */
 183 #define VLC_CODEC_NV12 VLC_FOURCC('N','V','1','2') /* TODO move to vlc_fourcc.h */
 184 typedef struct {
 185     const char   *name;
 186     D3DFORMAT    format;
 187     vlc_fourcc_t codec;
 188 } d3d_format_t;
 189 /* XXX Prefered format must come first */
 190 static const d3d_format_t d3d_formats[] = {
 191     { "YV12",   MAKEFOURCC('Y','V','1','2'),    VLC_CODEC_YV12 },
 192     { "NV12",   MAKEFOURCC('N','V','1','2'),    VLC_CODEC_NV12 },
 193
 194     { NULL, 0, 0 }
 195 };
 196
 197 static const d3d_format_t *D3dFindFormat(D3DFORMAT format)
 198 {
 199     for (unsigned i = 0; d3d_formats[i].name; i++) {
 200         if (d3d_formats[i].format == format)
 201             return &d3d_formats[i];
 202     }
 203     return NULL;
 204 }
 205
 206 static const GUID IID_IDirectXVideoDecoderService = {
 207     0xfc51a551, 0xd5e7, 0x11d9, {0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02}
 208 };
 209 static const GUID IID_IDirectXVideoAccelerationService = {
 210     0xfc51a550, 0xd5e7, 0x11d9, {0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02}
 211 };
 212
 213 /* */
 214 typedef struct {
 215     LPDIRECT3DSURFACE9 d3d;
 216     int                refcount;
 217     unsigned int       order;
 218 } vlc_va_surface_t;
 219
 220 #define VA_DXVA2_MAX_SURFACE_COUNT (64)
 221 typedef struct
 222 {
 223     /* */
 224     vlc_va_t va;
 225
 226     /* */
 227     vlc_object_t *log;
 228     int          codec_id;
 229
 230     /* DLL */
 231         HINSTANCE             hd3d9_dll;
 232     HINSTANCE             hdxva2_dll;
 233
 234     /* Direct3D */
 235     D3DPRESENT_PARAMETERS  d3dpp;
 236     LPDIRECT3D9            d3dobj;
 237     D3DADAPTER_IDENTIFIER9 d3dai;
 238     LPDIRECT3DDEVICE9      d3ddev;
 239
 240     /* Device manager */
 241     UINT                     token;
 242     IDirect3DDeviceManager9  *devmng;
 243     HANDLE                   device;
 244
 245     /* Video service */
 246     IDirectXVideoDecoderService  *vs;
 247     GUID                         input;
 248     D3DFORMAT                    render;
 249
 250     /* Video decoder */
 251     DXVA2_ConfigPictureDecode    cfg;
 252     IDirectXVideoDecoder         *decoder;
 253
 254     /* Option conversion */
 255     D3DFORMAT                    output;
 256     uint8_t                      *surface_cache_base;
 257     uint8_t                      *surface_cache;
 258     size_t                       surface_cache_size;
 259
 260     /* */
 261     struct dxva_context hw;
 262
 263     /* */
 264     unsigned     surface_count;
 265     unsigned     surface_order;
 266     int          surface_width;
 267     int          surface_height;
 268     vlc_fourcc_t surface_chroma;
 269
 270     vlc_va_surface_t surface[VA_DXVA2_MAX_SURFACE_COUNT];
 271     LPDIRECT3DSURFACE9 hw_surface[VA_DXVA2_MAX_SURFACE_COUNT];
 272 } vlc_va_dxva2_t;
 273
 274 /* */
 275 static vlc_va_dxva2_t *vlc_va_dxva2_Get(void *external)
 276 {
 277     assert(external == (void*)(&((vlc_va_dxva2_t*)external)->va));
 278     return external;
 279 }
 280
 281 /* */
 282 static int D3dCreateDevice(vlc_va_dxva2_t *);
 283 static void D3dDestroyDevice(vlc_va_dxva2_t *);
 284 static char *DxDescribe(vlc_va_dxva2_t *);
 285
 286 static int D3dCreateDeviceManager(vlc_va_dxva2_t *);
 287 static void D3dDestroyDeviceManager(vlc_va_dxva2_t *);
 288
 289 static int DxCreateVideoService(vlc_va_dxva2_t *);
 290 static void DxDestroyVideoService(vlc_va_dxva2_t *);
 291 static int DxFindVideoServiceConversion(vlc_va_dxva2_t *, GUID *input, D3DFORMAT *output);
 292
 293 static int DxCreateVideoDecoder(vlc_va_dxva2_t *,
 294                                 int codec_id, const video_format_t *);
 295 static void DxDestroyVideoDecoder(vlc_va_dxva2_t *);
 296 static int DxResetVideoDecoder(vlc_va_dxva2_t *);
 297
 298 static void DxCreateVideoConversion(vlc_va_dxva2_t *);
 299 static void DxDestroyVideoConversion(vlc_va_dxva2_t *);
 300
 301 static void CopyFromNv12(picture_t *dst, const D3DLOCKED_RECT *src,
 302                          uint8_t *cache, size_t cache_size,
 303                          unsigned width, unsigned height);
 304 static void CopyFromYv12(picture_t *dst, const D3DLOCKED_RECT *src,
 305                          uint8_t *cache, size_t cache_size,
 306                          unsigned width, unsigned height);
 307
 308 /* */
 309 static int Setup(vlc_va_t *external, void **hw, vlc_fourcc_t *chroma,
 310                  int width, int height)
 311 {
 312     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 313
 314     if (va->surface_width  == width &&
 315         va->surface_height == height)
 316         goto ok;
 317
 318     /* */
 319     DxDestroyVideoConversion(va);
 320     DxDestroyVideoDecoder(va);
 321
 322     *hw = NULL;
 323     *chroma = 0;
 324     if (width <= 0 || height <= 0)
 325         return VLC_EGENERIC;
 326
 327     /* FIXME transmit a video_format_t by VaSetup directly */
 328     video_format_t fmt;
 329     memset(&fmt, 0, sizeof(fmt));
 330     fmt.i_width = width;
 331     fmt.i_height = height;
 332
 333     if (DxCreateVideoDecoder(va, va->codec_id, &fmt))
 334         return VLC_EGENERIC;
 335     /* */
 336     va->hw.decoder = va->decoder;
 337     va->hw.cfg = &va->cfg;
 338     va->hw.surface_count = va->surface_count;
 339     va->hw.surface = va->hw_surface;
 340     for (unsigned i = 0; i < va->surface_count; i++)
 341         va->hw.surface[i] = va->surface[i].d3d;
 342
 343     /* */
 344     DxCreateVideoConversion(va);
 345
 346     /* */
 347 ok:
 348     *hw = &va->hw;
 349     const d3d_format_t *output = D3dFindFormat(va->output);
 350     *chroma = output->codec;
 351
 352     return VLC_SUCCESS;
 353 }
 354
 355 static int Extract(vlc_va_t *external, picture_t *picture, AVFrame *ff)
 356 {
 357     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 358     LPDIRECT3DSURFACE9 d3d = (LPDIRECT3DSURFACE9)(uintptr_t)ff->data[3];
 359
 360     if (!va->surface_cache)
 361         return VLC_EGENERIC;
 362
 363     /* */
 364     assert(va->output == MAKEFOURCC('Y','V','1','2'));
 365
 366     /* */
 367     D3DLOCKED_RECT lock;
 368     if (FAILED(IDirect3DSurface9_LockRect(d3d, &lock, NULL, D3DLOCK_READONLY))) {
 369         msg_Err(va->log, "Failed to lock surface");
 370         return VLC_EGENERIC;
 371     }
 372
 373     if (va->render == MAKEFOURCC('Y','V','1','2')) {
 374         CopyFromYv12(picture, &lock,
 375                      va->surface_cache, va->surface_cache_size,
 376                      va->surface_width, va->surface_height);
 377     } else {
 378         assert(va->render == MAKEFOURCC('N','V','1','2'));
 379         CopyFromNv12(picture, &lock,
 380                      va->surface_cache, va->surface_cache_size,
 381                      va->surface_width, va->surface_height);
 382     }
 383
 384     /* */
 385     IDirect3DSurface9_UnlockRect(d3d);
 386     return VLC_SUCCESS;
 387 }
 388 /* FIXME it is nearly common with VAAPI */
 389 static int Get(vlc_va_t *external, AVFrame *ff)
 390 {
 391     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 392
 393     /* Check the device */
 394     HRESULT hr = IDirect3DDeviceManager9_TestDevice(va->devmng, va->device);
 395     if (hr == DXVA2_E_NEW_VIDEO_DEVICE) {
 396         if (DxResetVideoDecoder(va))
 397             return VLC_EGENERIC;
 398     } else if (FAILED(hr)) {
 399         msg_Err(va->log, "IDirect3DDeviceManager9_TestDevice %u", (unsigned)hr);
 400         return VLC_EGENERIC;
 401     }
 402
 403     /* Grab an unused surface, in case none are, try the oldest
 404      * XXX using the oldest is a workaround in case a problem happens with ffmpeg */
 405     unsigned i, old;
 406     for (i = 0, old = 0; i < va->surface_count; i++) {
 407         vlc_va_surface_t *surface = &va->surface[i];
 408
 409         if (!surface->refcount)
 410             break;
 411
 412         if (surface->order < va->surface[old].order)
 413             old = i;
 414     }
 415     if (i >= va->surface_count)
 416         i = old;
 417
 418     vlc_va_surface_t *surface = &va->surface[i];
 419
 420     surface->refcount = 1;
 421     surface->order = va->surface_order++;
 422
 423     /* */
 424     for (int i = 0; i < 4; i++) {
 425         ff->data[i] = NULL;
 426         ff->linesize[i] = 0;
 427
 428         if (i == 0 || i == 3)
 429             ff->data[i] = (void*)surface->d3d;/* Yummie */
 430     }
 431     return VLC_SUCCESS;
 432 }
 433 static void Release(vlc_va_t *external, AVFrame *ff)
 434 {
 435     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 436     LPDIRECT3DSURFACE9 d3d = (LPDIRECT3DSURFACE9)(uintptr_t)ff->data[3];
 437
 438     for (unsigned i = 0; i < va->surface_count; i++) {
 439         vlc_va_surface_t *surface = &va->surface[i];
 440
 441         if (surface->d3d == d3d)
 442             surface->refcount--;
 443     }
 444 }
 445 static void Close(vlc_va_t *external)
 446 {
 447     vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
 448
 449     DxDestroyVideoConversion(va);
 450     DxDestroyVideoDecoder(va);
 451     DxDestroyVideoService(va);
 452     D3dDestroyDeviceManager(va);
 453     D3dDestroyDevice(va);
 454
 455     if (va->hdxva2_dll)
 456         FreeLibrary(va->hdxva2_dll);
 457     if (va->hd3d9_dll)
 458         FreeLibrary(va->hd3d9_dll);
 459
 460     free(va->va.description);
 461     free(va);
 462 }
 463
 464 vlc_va_t *vlc_va_NewDxva2(vlc_object_t *log, int codec_id)
 465 {
 466     vlc_va_dxva2_t *va = calloc(1, sizeof(*va));
 467     if (!va)
 468         return NULL;
 469
 470     /* */
 471     va->log = log;
 472     va->codec_id = codec_id;
 473
 474     /* Load dll*/
 475     va->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
 476     if (!va->hd3d9_dll) {
 477         msg_Warn(va->log, "cannot load d3d9.dll");
 478         goto error;
 479     }
 480     va->hdxva2_dll = LoadLibrary(TEXT("DXVA2.DLL"));
 481     if (!va->hdxva2_dll) {
 482         msg_Warn(va->log, "cannot load dxva2.dll");
 483         goto error;
 484     }
 485     msg_Dbg(va->log, "DLLs loaded");
 486
 487     /* */
 488     if (D3dCreateDevice(va)) {
 489         msg_Err(va->log, "Failed to create Direct3D device");
 490         goto error;
 491     }
 492     msg_Dbg(va->log, "D3dCreateDevice succeed");
 493
 494     if (D3dCreateDeviceManager(va)) {
 495         msg_Err(va->log, "D3dCreateDeviceManager failed");
 496         goto error;
 497     }
 498
 499     if (DxCreateVideoService(va)) {
 500         msg_Err(va->log, "DxCreateVideoService failed");
 501         goto error;
 502     }
 503
 504     /* */
 505     if (DxFindVideoServiceConversion(va, &va->input, &va->render)) {
 506         msg_Err(va->log, "DxFindVideoServiceConversion failed");
 507         goto error;
 508     }
 509
 510     /* TODO print the hardware name/vendor for debugging purposes */
 511     va->va.description = DxDescribe(va);
 512     va->va.setup   = Setup;
 513     va->va.get     = Get;
 514     va->va.release = Release;
 515     va->va.extract = Extract;
 516     va->va.close   = Close;
 517     return &va->va;
 518
 519 error:
 520     Close(&va->va);
 521     return NULL;
 522 }
 523 /* */
 524
 525 /**
 526  * It creates a Direct3D device usable for DXVA 2
 527  */
 528 static int D3dCreateDevice(vlc_va_dxva2_t *va)
 529 {
 530     /* */
 531     LPDIRECT3D9 (WINAPI *Create9)(UINT SDKVersion);
 532     Create9 = (void *)GetProcAddress(va->hd3d9_dll,
 533                                      TEXT("Direct3DCreate9"));
 534     if (!Create9) {
 535         msg_Err(va->log, "Cannot locate reference to Direct3DCreate9 ABI in DLL");
 536         return VLC_EGENERIC;
 537     }
 538
 539     /* */
 540     LPDIRECT3D9 d3dobj;
 541     d3dobj = Create9(D3D_SDK_VERSION);
 542     if (!d3dobj) {
 543         msg_Err(va->log, "Direct3DCreate9 failed");
 544         return VLC_EGENERIC;
 545     }
 546     va->d3dobj = d3dobj;
 547
 548     /* */
 549     D3DADAPTER_IDENTIFIER9 *d3dai = &va->d3dai;
 550     if (FAILED(IDirect3D9_GetAdapterIdentifier(va->d3dobj,
 551                                                D3DADAPTER_DEFAULT, 0, d3dai))) {
 552         msg_Warn(va->log, "IDirect3D9_GetAdapterIdentifier failed");
 553         ZeroMemory(d3dai, sizeof(*d3dai));
 554     }
 555
 556     /* */
 557     D3DPRESENT_PARAMETERS *d3dpp = &va->d3dpp;
 558     ZeroMemory(d3dpp, sizeof(*d3dpp));
 559     d3dpp->Flags                  = D3DPRESENTFLAG_VIDEO;
 560     d3dpp->Windowed               = TRUE;
 561     d3dpp->hDeviceWindow          = NULL;
 562     d3dpp->SwapEffect             = D3DSWAPEFFECT_DISCARD;
 563     d3dpp->MultiSampleType        = D3DMULTISAMPLE_NONE;
 564     d3dpp->PresentationInterval   = D3DPRESENT_INTERVAL_DEFAULT;
 565     d3dpp->BackBufferCount        = 0;                  /* FIXME what to put here */
 566     d3dpp->BackBufferFormat       = D3DFMT_X8R8G8B8;    /* FIXME what to put here */
 567     d3dpp->BackBufferWidth        = 0;
 568     d3dpp->BackBufferHeight       = 0;
 569     d3dpp->EnableAutoDepthStencil = FALSE;
 570
 571     /* Direct3D needs a HWND to create a device, even without using ::Present
 572     this HWND is used to alert Direct3D when there's a change of focus window.
 573     For now, use GetShellWindow, as it looks harmless */
 574     LPDIRECT3DDEVICE9 d3ddev;
 575     if (FAILED(IDirect3D9_CreateDevice(d3dobj, D3DADAPTER_DEFAULT,
 576                                        D3DDEVTYPE_HAL, GetShellWindow(),
 577                                        D3DCREATE_SOFTWARE_VERTEXPROCESSING |
 578                                        D3DCREATE_MULTITHREADED,
 579                                        d3dpp, &d3ddev))) {
 580         msg_Err(va->log, "IDirect3D9_CreateDevice failed");
 581         return VLC_EGENERIC;
 582     }
 583     va->d3ddev = d3ddev;
 584
 585     return VLC_SUCCESS;
 586 }
 587 /**
 588  * It releases a Direct3D device and its resources.
 589  */
 590 static void D3dDestroyDevice(vlc_va_dxva2_t *va)
 591 {
 592     if (va->d3ddev)
 593         IDirect3DDevice9_Release(va->d3ddev);
 594     if (va->d3dobj)
 595         IDirect3D9_Release(va->d3dobj);
 596 }
 597 /**
 598  * It describes our Direct3D object
 599  */
 600 static char *DxDescribe(vlc_va_dxva2_t *va)
 601 {
 602     static const struct {
 603         unsigned id;
 604         char     name[32];
 605     } vendors [] = {
 606         { 0x1002, "ATI" },
 607         { 0x10DE, "NVIDIA" },
 608         { 0x8086, "Intel" },
 609         { 0x5333, "S3 Graphics" },
 610         { 0, "" }
 611     };
 612     D3DADAPTER_IDENTIFIER9 *id = &va->d3dai;
 613
 614     const char *vendor = "Unknown";
 615     for (int i = 0; vendors[i].id != 0; i++) {
 616         if (vendors[i].id == id->VendorId) {
 617             vendor = vendors[i].name;
 618             break;
 619         }
 620     }
 621
 622     char *description;
 623     if (asprintf(&description, "DXVA2 (%.*s, vendor %d(%s), device %d, revision %d)",
 624                  sizeof(id->Description), id->Description,
 625                  id->VendorId, vendor, id->DeviceId, id->Revision) < 0)
 626         return NULL;
 627     return description;
 628 }
 629
 630 /**
 631  * It creates a Direct3D device manager
 632  */
 633 static int D3dCreateDeviceManager(vlc_va_dxva2_t *va)
 634 {
 635     HRESULT (WINAPI *CreateDeviceManager9)(UINT *pResetToken,
 636                                            IDirect3DDeviceManager9 **);
 637     CreateDeviceManager9 =
 638       (void *)GetProcAddress(va->hdxva2_dll,
 639                              TEXT("DXVA2CreateDirect3DDeviceManager9"));
 640
 641     if (!CreateDeviceManager9) {
 642         msg_Err(va->log, "cannot load function\n");
 643         return VLC_EGENERIC;
 644     }
 645     msg_Dbg(va->log, "OurDirect3DCreateDeviceManager9 Success!");
 646
 647     UINT token;
 648     IDirect3DDeviceManager9 *devmng;
 649     if (FAILED(CreateDeviceManager9(&token, &devmng))) {
 650         msg_Err(va->log, " OurDirect3DCreateDeviceManager9 failed");
 651         return VLC_EGENERIC;
 652     }
 653     va->token  = token;
 654     va->devmng = devmng;
 655     msg_Info(va->log, "obtained IDirect3DDeviceManager9");
 656
 657     HRESULT hr = IDirect3DDeviceManager9_ResetDevice(devmng, va->d3ddev, token);
 658     if (FAILED(hr)) {
 659         msg_Err(va->log, "IDirect3DDeviceManager9_ResetDevice failed: %08x", (unsigned)hr);
 660         return VLC_EGENERIC;
 661     }
 662     return VLC_SUCCESS;
 663 }
 664 /**
 665  * It destroys a Direct3D device manager
 666  */
 667 static void D3dDestroyDeviceManager(vlc_va_dxva2_t *va)
 668 {
 669     if (va->devmng)
 670         IDirect3DDeviceManager9_Release(va->devmng);
 671 }
 672
 673 /**
 674  * It creates a DirectX video service
 675  */
 676 static int DxCreateVideoService(vlc_va_dxva2_t *va)
 677 {
 678     HRESULT (WINAPI *CreateVideoService)(IDirect3DDevice9 *,
 679                                          REFIID riid,
 680                                          void **ppService);
 681     CreateVideoService =
 682       (void *)GetProcAddress(va->hdxva2_dll,
 683                              TEXT("DXVA2CreateVideoService"));
 684
 685     if (!CreateVideoService) {
 686         msg_Err(va->log, "cannot load function\n");
 687         return 4;
 688     }
 689     msg_Info(va->log, "DXVA2CreateVideoService Success!");
 690
 691     HRESULT hr;
 692
 693     HANDLE device;
 694     hr = IDirect3DDeviceManager9_OpenDeviceHandle(va->devmng, &device);
 695     if (FAILED(hr)) {
 696         msg_Err(va->log, "OpenDeviceHandle failed");
 697         return VLC_EGENERIC;
 698     }
 699     va->device = device;
 700
 701     IDirectXVideoDecoderService *vs;
 702     hr = IDirect3DDeviceManager9_GetVideoService(va->devmng, device,
 703                                                  &IID_IDirectXVideoDecoderService,
 704                                                  &vs);
 705     if (FAILED(hr)) {
 706         msg_Err(va->log, "GetVideoService failed");
 707         return VLC_EGENERIC;
 708     }
 709     va->vs = vs;
 710
 711     return VLC_SUCCESS;
 712 }
 713 /**
 714  * It destroys a DirectX video service
 715  */
 716 static void DxDestroyVideoService(vlc_va_dxva2_t *va)
 717 {
 718     if (va->device)
 719         IDirect3DDeviceManager9_CloseDeviceHandle(va->devmng, va->device);
 720     if (va->vs)
 721         IDirectXVideoDecoderService_Release(va->vs);
 722 }
 723 /**
 724  * Find the best suited decoder mode GUID and render format.
 725  */
 726 static int DxFindVideoServiceConversion(vlc_va_dxva2_t *va, GUID *input, D3DFORMAT *output)
 727 {
 728     /* Retreive supported modes from the decoder service */
 729     UINT input_count = 0;
 730     GUID *input_list = NULL;
 731     if (FAILED(IDirectXVideoDecoderService_GetDecoderDeviceGuids(va->vs,
 732                                                                  &input_count,
 733                                                                  &input_list))) {
 734         msg_Err(va->log, "IDirectXVideoDecoderService_GetDecoderDeviceGuids failed");
 735         return VLC_EGENERIC;
 736     }
 737     for (unsigned i = 0; i < input_count; i++) {
 738         const GUID *g = &input_list[i];
 739         const dxva2_mode_t *mode = Dxva2FindMode(g);
 740         if (mode) {
 741             msg_Dbg(va->log, "- '%s' is supported by hardware", mode->name);
 742         } else {
 743             msg_Warn(va->log, "- Unknown GUID = %08X-%04x-%04x-XXXX",
 744                      (unsigned)g->Data1, g->Data2, g->Data3);
 745         }
 746     }
 747
 748     /* Try all supported mode by our priority */
 749     for (unsigned i = 0; dxva2_modes[i].name; i++) {
 750         const dxva2_mode_t *mode = &dxva2_modes[i];
 751         if (!mode->codec || mode->codec != va->codec_id)
 752             continue;
 753
 754         /* */
 755         bool is_suported = false;
 756         for (const GUID *g = &input_list[0]; !is_suported && g < &input_list[input_count]; g++) {
 757             is_suported = IsEqualGUID(mode->guid, g);
 758         }
 759         if (!is_suported)
 760             continue;
 761
 762         /* */
 763         msg_Dbg(va->log, "Trying to use '%s' as input", mode->name);
 764         UINT      output_count = 0;
 765         D3DFORMAT *output_list = NULL;
 766         if (FAILED(IDirectXVideoDecoderService_GetDecoderRenderTargets(va->vs, mode->guid,
 767                                                                        &output_count,
 768                                                                        &output_list))) {
 769             msg_Err(va->log, "IDirectXVideoDecoderService_GetDecoderRenderTargets failed");
 770             continue;
 771         }
 772         for (unsigned j = 0; j < output_count; j++) {
 773             const D3DFORMAT f = output_list[j];
 774             const d3d_format_t *format = D3dFindFormat(f);
 775             if (format) {
 776                 msg_Dbg(va->log, "%s is supported for output", format->name);
 777             } else {
 778                 msg_Dbg(va->log, "%d is supported for output (%4.4s)", f, (const char*)&f);
 779             }
 780         }
 781
 782         /* */
 783         for (unsigned j = 0; d3d_formats[j].name; j++) {
 784             const d3d_format_t *format = &d3d_formats[j];
 785
 786             /* */
 787             bool is_suported = false;
 788             for (unsigned k = 0; !is_suported && k < output_count; k++) {
 789                 is_suported = format->format == output_list[k];
 790             }
 791             if (!is_suported)
 792                 continue;
 793
 794             /* We have our solution */
 795             msg_Dbg(va->log, "Using '%s' to decode to '%s'", mode->name, format->name);
 796             *input  = *mode->guid;
 797             *output = format->format;
 798             CoTaskMemFree(output_list);
 799             CoTaskMemFree(input_list);
 800             return VLC_SUCCESS;
 801         }
 802         CoTaskMemFree(output_list);
 803     }
 804     CoTaskMemFree(input_list);
 805     return VLC_EGENERIC;
 806 }
 807
 808 /**
 809  * It creates a DXVA2 decoder using the given video format
 810  */
 811 static int DxCreateVideoDecoder(vlc_va_dxva2_t *va,
 812                                 int codec_id, const video_format_t *fmt)
 813 {
 814     /* */
 815     msg_Dbg(va->log, "DxCreateVideoDecoder id %d %dx%d",
 816             codec_id, fmt->i_width, fmt->i_height);
 817
 818     /* Allocates all surfaces needed for the decoder */
 819     switch (codec_id) {
 820     case CODEC_ID_H264:
 821         va->surface_count = 16 + 1;
 822         break;
 823     default:
 824         va->surface_count = 2 + 1;
 825         break;
 826     }
 827     LPDIRECT3DSURFACE9 surface_list[VA_DXVA2_MAX_SURFACE_COUNT];
 828     if (FAILED(IDirectXVideoDecoderService_CreateSurface(va->vs,
 829                                                          fmt->i_width,
 830                                                          fmt->i_height,
 831                                                          va->surface_count - 1,
 832                                                          va->render,
 833                                                          D3DPOOL_DEFAULT,
 834                                                          0,
 835                                                          DXVA2_VideoDecoderRenderTarget,
 836                                                          surface_list,
 837                                                          NULL))) {
 838         msg_Err(va->log, "IDirectXVideoAccelerationService_CreateSurface failed\n");
 839         va->surface_count = 0;
 840         return VLC_EGENERIC;
 841     }
 842     for (unsigned i = 0; i < va->surface_count; i++) {
 843         vlc_va_surface_t *surface = &va->surface[i];
 844         surface->d3d = surface_list[i];
 845         surface->refcount = 0;
 846         surface->order = 0;
 847     }
 848     va->surface_width  = fmt->i_width;
 849     va->surface_height = fmt->i_height;
 850     msg_Dbg(va->log, "IDirectXVideoAccelerationService_CreateSurface succeed with %d surfaces (%dx%d)",
 851             va->surface_count, fmt->i_width, fmt->i_height);
 852
 853     /* */
 854     DXVA2_VideoDesc dsc;
 855     ZeroMemory(&dsc, sizeof(dsc));
 856     dsc.SampleWidth     = fmt->i_width;
 857     dsc.SampleHeight    = fmt->i_height;
 858     dsc.Format          = va->render;
 859     if (fmt->i_frame_rate > 0 && fmt->i_frame_rate_base > 0) {
 860         dsc.InputSampleFreq.Numerator   = fmt->i_frame_rate;
 861         dsc.InputSampleFreq.Denominator = fmt->i_frame_rate_base;
 862     } else {
 863         dsc.InputSampleFreq.Numerator   = 0;
 864         dsc.InputSampleFreq.Denominator = 0;
 865     }
 866     dsc.OutputFrameFreq = dsc.InputSampleFreq;
 867     dsc.UABProtectionLevel = FALSE;
 868     dsc.Reserved = 0;
 869
 870     /* FIXME I am unsure we can let unknown everywhere */
 871     DXVA2_ExtendedFormat *ext = &dsc.SampleFormat;
 872     ext->SampleFormat = 0;//DXVA2_SampleUnknown;
 873     ext->VideoChromaSubsampling = 0;//DXVA2_VideoChromaSubsampling_Unknown;
 874     ext->NominalRange = 0;//DXVA2_NominalRange_Unknown;
 875     ext->VideoTransferMatrix = 0;//DXVA2_VideoTransferMatrix_Unknown;
 876     ext->VideoLighting = 0;//DXVA2_VideoLighting_Unknown;
 877     ext->VideoPrimaries = 0;//DXVA2_VideoPrimaries_Unknown;
 878     ext->VideoTransferFunction = 0;//DXVA2_VideoTransFunc_Unknown;
 879
 880     /* List all configurations available for the decoder */
 881     UINT                      cfg_count = 0;
 882     DXVA2_ConfigPictureDecode *cfg_list = NULL;
 883     if (FAILED(IDirectXVideoDecoderService_GetDecoderConfigurations(va->vs,
 884                                                                     &va->input,
 885                                                                     &dsc,
 886                                                                     NULL,
 887                                                                     &cfg_count,
 888                                                                     &cfg_list))) {
 889         msg_Err(va->log, "IDirectXVideoDecoderService_GetDecoderConfigurations failed\n");
 890         return VLC_EGENERIC;
 891     }
 892     msg_Dbg(va->log, "we got %d decoder configurations", cfg_count);
 893
 894     /* Select the best decoder configuration */
 895     bool has_cfg = false;
 896     for (unsigned i = 0; i < cfg_count; i++) {
 897         const DXVA2_ConfigPictureDecode *cfg = &cfg_list[i];
 898
 899         /* */
 900         msg_Dbg(va->log, "configuration[%d] ConfigBitstreamRaw %d",
 901                 i, cfg->ConfigBitstreamRaw);
 902
 903         /* */
 904         if ((!has_cfg && cfg->ConfigBitstreamRaw == 1) ||
 905             (codec_id == CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)) {
 906             va->cfg = *cfg;
 907             has_cfg = true;
 908         }
 909     }
 910     CoTaskMemFree(cfg_list);
 911     if (!has_cfg) {
 912         msg_Err(va->log, "Failed to find a supported decoder configuration");
 913         return VLC_EGENERIC;
 914     }
 915
 916     /* Create the decoder */
 917     IDirectXVideoDecoder *decoder;
 918     if (FAILED(IDirectXVideoDecoderService_CreateVideoDecoder(va->vs,
 919                                                               &va->input,
 920                                                               &dsc,
 921                                                               &va->cfg,
 922                                                               surface_list,
 923                                                               va->surface_count,
 924                                                               &decoder))) {
 925         msg_Err(va->log, "IDirectXVideoDecoderService_CreateVideoDecoder failed\n");
 926         return VLC_EGENERIC;
 927     }
 928     va->decoder = decoder;
 929     msg_Dbg(va->log, "IDirectXVideoDecoderService_CreateVideoDecoder succeed");
 930     return VLC_SUCCESS;
 931 }
 932 static void DxDestroyVideoDecoder(vlc_va_dxva2_t *va)
 933 {
 934     if (va->decoder)
 935         IDirectXVideoDecoder_Release(va->decoder);
 936     va->decoder = NULL;
 937
 938     for (unsigned i = 0; i < va->surface_count; i++)
 939         IDirect3DSurface9_Release(va->surface[i].d3d);
 940     va->surface_count = 0;
 941 }
 942 static int DxResetVideoDecoder(vlc_va_dxva2_t *va)
 943 {
 944     msg_Err(va->log, "DxResetVideoDecoder unimplemented");
 945     return VLC_EGENERIC;
 946 }
 947
 948 static void DxCreateVideoConversion(vlc_va_dxva2_t *va)
 949 {
 950     switch (va->render) {
 951     case MAKEFOURCC('N','V','1','2'):
 952         va->output = MAKEFOURCC('Y','V','1','2');
 953         break;
 954     default:
 955         va->output = va->render;
 956         break;
 957     }
 958     va->surface_cache_size = __MAX((va->surface_width + 0x0f) & ~ 0x0f, 4096);
 959     va->surface_cache_base = malloc(16 + va->surface_cache_size);
 960     va->surface_cache      = &va->surface_cache_base[16 - ((intptr_t)va->surface_cache_base & 0x0f)];
 961 }
 962 static void DxDestroyVideoConversion(vlc_va_dxva2_t *va)
 963 {
 964     free(va->surface_cache_base);
 965     va->surface_cache_base = NULL;
 966     va->surface_cache      = NULL;
 967     va->surface_cache_size = 0;
 968 }
 969
 970 /* Copy 64 bytes from srcp to dsp loading data with the SSE>=2 instruction load and
 971  * storing data with the SSE>=2 instruction store.
 972  */
 973 #define COPY64(dstp, srcp, load, store) \
 974     asm volatile (                      \
 975         load "  0(%[src]), %%xmm1\n"    \
 976         load " 16(%[src]), %%xmm2\n"    \
 977         load " 32(%[src]), %%xmm3\n"    \
 978         load " 48(%[src]), %%xmm4\n"    \
 979         store " %%xmm1,    0(%[dst])\n" \
 980         store " %%xmm2,   16(%[dst])\n" \
 981         store " %%xmm3,   32(%[dst])\n" \
 982         store " %%xmm4,   48(%[dst])\n" \
 983         : : [dst]"r"(dstp), [src]"r"(srcp) : "memory")
 984
 985 /* Execute the instruction op only if SSE2 is supported. */
 986 #ifdef CAN_COMPILE_SSE2
 987 #   define ASM_SSE2(cpu, op) do {          \
 988         if (cpu & CPU_CAPABILITY_SSE2)  \
 989             asm volatile (op);    \
 990     } while (0)
 991 #else
 992 #   define ASM_SSE2(cpu, op)
 993 #endif
 994
 995 /* Optimized copy from "Uncacheable Speculative Write Combining" memory
 996  * as used by some video surface.
 997  * XXX It is really efficient only when SSE4.1 is available.
 998  */
 999 static void CopyFromUswc(uint8_t *dst, size_t dst_pitch,
1000                          const uint8_t *src, size_t src_pitch,
1001                          unsigned unaligned,
1002                          unsigned width, unsigned height,
1003                          unsigned cpu)
1004 {
1005     assert(((intptr_t)dst & 0x0f) == 0 && (dst_pitch & 0x0f) == 0);
1006
1007     ASM_SSE2(cpu, "mfence");
1008     for (unsigned y = 0; y < height; y++) {
1009         unsigned x;
1010
1011         for (x = 0; x < unaligned; x++)
1012             dst[x] = src[x];
1013
1014 #ifdef CAN_COMPILE_SSE4_1
1015         if (cpu & CPU_CAPABILITY_SSE4_1) {
1016             if (!unaligned) {
1017                 for (; x+63 < width; x += 64)
1018                     COPY64(&dst[x], &src[x], "movntdqa", "movdqa");
1019             } else {
1020                 for (; x+63 < width; x += 64)
1021                     COPY64(&dst[x], &src[x], "movntdqa", "movdqu");
1022             }
1023         } else
1024 #endif
1025 #ifdef CAN_COMPILE_SSE2
1026         if (cpu & CPU_CAPABILITY_SSE2) {
1027             if (!unaligned) {
1028                 for (; x+63 < width; x += 64)
1029                     COPY64(&dst[x], &src[x], "movdqa", "movdqa");
1030             } else {
1031                 for (; x+63 < width; x += 64)
1032                     COPY64(&dst[x], &src[x], "movdqa", "movdqu");
1033             }
1034         }
1035 #endif
1036
1037         for (; x < width; x++)
1038             dst[x] = src[x];
1039
1040         src += src_pitch;
1041         dst += dst_pitch;
1042     }
1043 }
1044
1045 static void Copy2d(uint8_t *dst, size_t dst_pitch,
1046                    const uint8_t *src, size_t src_pitch,
1047                    unsigned width, unsigned height,
1048                    unsigned cpu)
1049 {
1050     assert(((intptr_t)src & 0x0f) == 0 && (src_pitch & 0x0f) == 0);
1051
1052     ASM_SSE2(cpu, "mfence");
1053
1054     for (unsigned y = 0; y < height; y++) {
1055         unsigned x = 0;
1056         bool unaligned = ((intptr_t)dst & 0x0f) != 0;
1057
1058 #ifdef CAN_COMPILE_SSE2
1059         if (cpu & CPU_CAPABILITY_SSE2) {
1060             if (!unaligned) {
1061                 for (; x+63 < width; x += 64)
1062                     COPY64(&dst[x], &src[x], "movdqa", "movntdq");
1063             } else {
1064                 for (; x+63 < width; x += 64)
1065                     COPY64(&dst[x], &src[x], "movdqa", "movdqu");
1066             }
1067         }
1068 #endif
1069
1070         for (; x < width; x++)
1071             dst[x] = src[x];
1072
1073         src += src_pitch;
1074         dst += dst_pitch;
1075     }
1076 }
1077
1078 static void SplitUV(uint8_t *dstu, size_t dstu_pitch,
1079                     uint8_t *dstv, size_t dstv_pitch,
1080                     const uint8_t *src, size_t src_pitch,
1081                     unsigned width, unsigned height, unsigned cpu)
1082 {
1083     const uint8_t shuffle[] = { 0, 2, 4, 6, 8, 10, 12, 14,
1084                                 1, 3, 5, 7, 9, 11, 13, 15 };
1085     const uint8_t mask[] = { 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
1086                              0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00 };
1087
1088     assert(((intptr_t)src & 0x0f) == 0 && (src_pitch & 0x0f) == 0);
1089
1090     ASM_SSE2(cpu, "mfence");
1091
1092     for (unsigned y = 0; y < height; y++) {
1093         unsigned x = 0;
1094
1095 #define LOAD64 \
1096     "movdqa  0(%[src]), %%xmm0\n" \
1097     "movdqa 16(%[src]), %%xmm1\n" \
1098     "movdqa 32(%[src]), %%xmm2\n" \
1099     "movdqa 48(%[src]), %%xmm3\n"
1100
1101 #define STORE2X32 \
1102     "movq   %%xmm0,   0(%[dst1])\n" \
1103     "movq   %%xmm1,   8(%[dst1])\n" \
1104     "movhpd %%xmm0,   0(%[dst2])\n" \
1105     "movhpd %%xmm1,   8(%[dst2])\n" \
1106     "movq   %%xmm2,  16(%[dst1])\n" \
1107     "movq   %%xmm3,  24(%[dst1])\n" \
1108     "movhpd %%xmm2,  16(%[dst2])\n" \
1109     "movhpd %%xmm3,  24(%[dst2])\n"
1110
1111 #ifdef CAN_COMPILE_SSSE3
1112         if (cpu & CPU_CAPABILITY_SSSE3) {
1113             for (x = 0; x < (width & ~31); x += 32) {
1114                 asm volatile (
1115                     "movdqu (%[shuffle]), %%xmm7\n"
1116                     LOAD64
1117                     "pshufb  %%xmm7, %%xmm0\n"
1118                     "pshufb  %%xmm7, %%xmm1\n"
1119                     "pshufb  %%xmm7, %%xmm2\n"
1120                     "pshufb  %%xmm7, %%xmm3\n"
1121                     STORE2X32
1122                     : : [dst1]"r"(&dstu[x]), [dst2]"r"(&dstv[x]), [src]"r"(&src[2*x]), [shuffle]"r"(shuffle) : "memory");
1123             }
1124         } else
1125 #endif
1126 #ifdef CAN_COMPILE_SSE2
1127         if (cpu & CPU_CAPABILITY_SSE2) {
1128             for (x = 0; x < (width & ~31); x += 32) {
1129                 asm volatile (
1130                     "movdqu (%[mask]), %%xmm7\n"
1131                     LOAD64
1132                     "movdqa   %%xmm0, %%xmm4\n"
1133                     "movdqa   %%xmm1, %%xmm5\n"
1134                     "movdqa   %%xmm2, %%xmm6\n"
1135                     "psrlw    $8,     %%xmm0\n"
1136                     "psrlw    $8,     %%xmm1\n"
1137                     "pand     %%xmm7, %%xmm4\n"
1138                     "pand     %%xmm7, %%xmm5\n"
1139                     "pand     %%xmm7, %%xmm6\n"
1140                     "packuswb %%xmm4, %%xmm0\n"
1141                     "packuswb %%xmm5, %%xmm1\n"
1142                     "pand     %%xmm3, %%xmm7\n"
1143                     "psrlw    $8,     %%xmm2\n"
1144                     "psrlw    $8,     %%xmm3\n"
1145                     "packuswb %%xmm6, %%xmm2\n"
1146                     "packuswb %%xmm7, %%xmm3\n"
1147                     STORE2X32
1148                     : : [dst2]"r"(&dstu[x]), [dst1]"r"(&dstv[x]), [src]"r"(&src[2*x]), [mask]"r"(mask) : "memory");
1149             }
1150         }
1151 #endif
1152 #undef STORE2X32
1153 #undef LOAD64
1154
1155         for (; x < width; x++) {
1156             dstu[x] = src[2*x+0];
1157             dstv[x] = src[2*x+1];
1158         }
1159         src  += src_pitch;
1160         dstu += dstu_pitch;
1161         dstv += dstv_pitch;
1162     }
1163 }
1164
1165 static void CopyPlane(uint8_t *dst, size_t dst_pitch, const uint8_t *src, size_t src_pitch,
1166                       uint8_t *cache, size_t cache_size,
1167                       unsigned width, unsigned height,
1168                       unsigned cpu)
1169 {
1170     const unsigned w16 = (width+15) & ~15;
1171     const unsigned hstep = cache_size / w16;
1172     assert(hstep > 0);
1173
1174     for (unsigned y = 0; y < height; y += hstep) {
1175         const unsigned unaligned = (intptr_t)src & 0x0f;
1176         const unsigned hblock =  __MIN(hstep, height - y);
1177
1178         /* Copy a bunch of line into our cache */
1179         CopyFromUswc(cache, w16,
1180                      src, src_pitch,
1181                      unaligned,
1182                      width, hblock, cpu);
1183
1184         /* Copy from our cache to the destination */
1185         Copy2d(dst, dst_pitch,
1186                cache, w16,
1187                width, hblock, cpu);
1188
1189         /* */
1190         src += src_pitch * hblock;
1191         dst += dst_pitch * hblock;
1192     }
1193
1194     ASM_SSE2(cpu, "mfence");
1195 }
1196 static void SplitPlanes(uint8_t *dstu, size_t dstu_pitch,
1197                         uint8_t *dstv, size_t dstv_pitch,
1198                         const uint8_t *src, size_t src_pitch,
1199                         uint8_t *cache, size_t cache_size,
1200                         unsigned width, unsigned height,
1201                         unsigned cpu)
1202 {
1203     const unsigned w2_16 = (2*width+15) & ~15;
1204     const unsigned hstep = cache_size / w2_16;
1205     assert(hstep > 0);
1206
1207     for (unsigned y = 0; y < height; y += hstep) {
1208         const unsigned unaligned = (intptr_t)src & 0x0f;
1209         const unsigned hblock =  __MIN(hstep, height - y);
1210
1211         /* Copy a bunch of line into our cache */
1212         CopyFromUswc(cache, w2_16,
1213                      src, src_pitch,
1214                      unaligned,
1215                      2*width, hblock, cpu);
1216
1217         /* Copy from our cache to the destination */
1218         SplitUV(dstu, dstu_pitch,
1219                 dstv, dstv_pitch,
1220                 cache, w2_16,
1221                 width, hblock, cpu);
1222
1223         /* */
1224         src  += src_pitch  * hblock;
1225         dstu += dstu_pitch * hblock;
1226         dstv += dstv_pitch * hblock;
1227     }
1228
1229     ASM_SSE2(cpu, "mfence");
1230 }
1231
1232 static void CopyFromNv12(picture_t *dst, const D3DLOCKED_RECT *src,
1233                          uint8_t *cache, size_t cache_size,
1234                          unsigned width, unsigned height)
1235 {
1236     const unsigned cpu = vlc_CPU();
1237
1238     /* */
1239     CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
1240               src->pBits, src->Pitch,
1241               cache, cache_size,
1242               width, height, cpu);
1243     SplitPlanes(dst->p[2].p_pixels, dst->p[2].i_pitch,
1244                 dst->p[1].p_pixels, dst->p[1].i_pitch,
1245                 (const uint8_t*)src->pBits + src->Pitch * height, src->Pitch,
1246                 cache, cache_size,
1247                 width/2, height/2, cpu);
1248
1249     ASM_SSE2(cpu, "emms");
1250 }
1251 static void CopyFromYv12(picture_t *dst, const D3DLOCKED_RECT *src,
1252                          uint8_t *cache, size_t cache_size,
1253                          unsigned width, unsigned height)
1254 {
1255     const unsigned cpu = vlc_CPU();
1256
1257     /* */
1258     for (unsigned n = 0, offset = 0; n < 3; n++) {
1259         const unsigned d = n > 0 ? 2 : 1;
1260         CopyPlane(dst->p[n].p_pixels, dst->p[n].i_pitch,
1261                   (const uint8_t*)src->pBits + offset, src->Pitch/d,
1262                   cache, cache_size,
1263                   width/d, height/d, cpu);
1264         offset += (src->Pitch/d) * (height/d);
1265     }
1266     ASM_SSE2(cpu, "emms");
1267 }
1268 #undef ASM_SSE2
1269 #undef COPY64
1270
1271 #else
1272 vlc_va_t *vlc_va_NewDxva2(vlc_object_t *log, int codec_id)
1273 {
1274     (void)log;
1275     (void)codec_id;
1276     return NULL;
1277 }
1278 #endif