third_party/libva/va/va_backend.h

   1 /*
   2  * Copyright (c) 2007 Intel Corporation. All Rights Reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sub license, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  19  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
  20  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  21  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  22  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 /*
  26  * Video Decode Acceleration -Backend API
  27  */
  28
  29 #ifndef _VA_BACKEND_H_
  30 #define _VA_BACKEND_H_
  31
  32 #include <va/va.h>
  33 #include <linux/videodev2.h>
  34
  35 typedef struct VADriverContext *VADriverContextP;
  36 typedef struct VADisplayContext *VADisplayContextP;
  37
  38 /** \brief VA display types. */
  39 enum {
  40     /** \brief Mask to major identifier for VA display type. */
  41     VA_DISPLAY_MAJOR_MASK = 0xf0,
  42
  43     /** \brief VA/X11 API is used, through vaGetDisplay() entry-point. */
  44     VA_DISPLAY_X11      = 0x10,
  45     /** \brief VA/GLX API is used, through vaGetDisplayGLX() entry-point. */
  46     VA_DISPLAY_GLX      = (VA_DISPLAY_X11 | (1 << 0)),
  47     /** \brief VA/Android API is used, through vaGetDisplay() entry-point. */
  48     VA_DISPLAY_ANDROID  = 0x20,
  49     /** \brief VA/DRM API is used, through vaGetDisplayDRM() entry-point. */
  50     VA_DISPLAY_DRM      = 0x30,
  51     /** \brief VA/Wayland API is used, through vaGetDisplayWl() entry-point. */
  52     VA_DISPLAY_WAYLAND  = 0x40,
  53 };
  54
  55 struct VADriverVTable
  56 {
  57         VAStatus (*vaTerminate) ( VADriverContextP ctx );
  58
  59         VAStatus (*vaQueryConfigProfiles) (
  60                 VADriverContextP ctx,
  61                 VAProfile *profile_list,        /* out */
  62                 int *num_profiles                       /* out */
  63         );
  64
  65         VAStatus (*vaQueryConfigEntrypoints) (
  66                 VADriverContextP ctx,
  67                 VAProfile profile,
  68                 VAEntrypoint  *entrypoint_list, /* out */
  69                 int *num_entrypoints                    /* out */
  70         );
  71
  72         VAStatus (*vaGetConfigAttributes) (
  73                 VADriverContextP ctx,
  74                 VAProfile profile,
  75                 VAEntrypoint entrypoint,
  76                 VAConfigAttrib *attrib_list,    /* in/out */
  77                 int num_attribs
  78         );
  79
  80         VAStatus (*vaCreateConfig) (
  81                 VADriverContextP ctx,
  82                 VAProfile profile,
  83                 VAEntrypoint entrypoint,
  84                 VAConfigAttrib *attrib_list,
  85                 int num_attribs,
  86                 VAConfigID *config_id           /* out */
  87         );
  88
  89         VAStatus (*vaDestroyConfig) (
  90                 VADriverContextP ctx,
  91                 VAConfigID config_id
  92         );
  93
  94         VAStatus (*vaQueryConfigAttributes) (
  95                 VADriverContextP ctx,
  96                 VAConfigID config_id,
  97                 VAProfile *profile,             /* out */
  98                 VAEntrypoint *entrypoint,       /* out */
  99                 VAConfigAttrib *attrib_list,    /* out */
 100                 int *num_attribs                /* out */
 101         );
 102
 103         VAStatus (*vaCreateSurfaces) (
 104                 VADriverContextP ctx,
 105                 int width,
 106                 int height,
 107                 int format,
 108                 int num_surfaces,
 109                 VASurfaceID *surfaces           /* out */
 110         );
 111
 112         VAStatus (*vaDestroySurfaces) (
 113                 VADriverContextP ctx,
 114                 VASurfaceID *surface_list,
 115                 int num_surfaces
 116         );
 117
 118         VAStatus (*vaCreateContext) (
 119                 VADriverContextP ctx,
 120                 VAConfigID config_id,
 121                 int picture_width,
 122                 int picture_height,
 123                 int flag,
 124                 VASurfaceID *render_targets,
 125                 int num_render_targets,
 126                 VAContextID *context            /* out */
 127         );
 128
 129         VAStatus (*vaDestroyContext) (
 130                 VADriverContextP ctx,
 131                 VAContextID context
 132         );
 133
 134         VAStatus (*vaCreateBuffer) (
 135                 VADriverContextP ctx,
 136                 VAContextID context,            /* in */
 137                 VABufferType type,              /* in */
 138                 unsigned int size,              /* in */
 139                 unsigned int num_elements,      /* in */
 140                 void *data,                     /* in */
 141                 VABufferID *buf_id              /* out */
 142         );
 143
 144         VAStatus (*vaBufferSetNumElements) (
 145                 VADriverContextP ctx,
 146                 VABufferID buf_id,      /* in */
 147                 unsigned int num_elements       /* in */
 148         );
 149
 150         VAStatus (*vaMapBuffer) (
 151                 VADriverContextP ctx,
 152                 VABufferID buf_id,      /* in */
 153                 void **pbuf         /* out */
 154         );
 155
 156         VAStatus (*vaUnmapBuffer) (
 157                 VADriverContextP ctx,
 158                 VABufferID buf_id       /* in */
 159         );
 160
 161         VAStatus (*vaDestroyBuffer) (
 162                 VADriverContextP ctx,
 163                 VABufferID buffer_id
 164         );
 165
 166         VAStatus (*vaBeginPicture) (
 167                 VADriverContextP ctx,
 168                 VAContextID context,
 169                 VASurfaceID render_target
 170         );
 171
 172         VAStatus (*vaRenderPicture) (
 173                 VADriverContextP ctx,
 174                 VAContextID context,
 175                 VABufferID *buffers,
 176                 int num_buffers
 177         );
 178
 179         VAStatus (*vaEndPicture) (
 180                 VADriverContextP ctx,
 181                 VAContextID context
 182         );
 183
 184         VAStatus (*vaSyncSurface) (
 185                 VADriverContextP ctx,
 186                 VASurfaceID render_target
 187         );
 188
 189         VAStatus (*vaQuerySurfaceStatus) (
 190                 VADriverContextP ctx,
 191                 VASurfaceID render_target,
 192                 VASurfaceStatus *status /* out */
 193         );
 194
 195         VAStatus (*vaQuerySurfaceError) (
 196                 VADriverContextP ctx,
 197                 VASurfaceID render_target,
 198                 VAStatus error_status,
 199                 void **error_info /*out*/
 200         );
 201
 202         VAStatus (*vaPutSurface) (
 203                 VADriverContextP ctx,
 204                 VASurfaceID surface,
 205                 void* draw, /* Drawable of window system */
 206                 short srcx,
 207                 short srcy,
 208                 unsigned short srcw,
 209                 unsigned short srch,
 210                 short destx,
 211                 short desty,
 212                 unsigned short destw,
 213                 unsigned short desth,
 214                 VARectangle *cliprects, /* client supplied clip list */
 215                 unsigned int number_cliprects, /* number of clip rects in the clip list */
 216                 unsigned int flags /* de-interlacing flags */
 217         );
 218
 219         VAStatus (*vaQueryImageFormats) (
 220                 VADriverContextP ctx,
 221                 VAImageFormat *format_list,        /* out */
 222                 int *num_formats           /* out */
 223         );
 224
 225         VAStatus (*vaCreateImage) (
 226                 VADriverContextP ctx,
 227                 VAImageFormat *format,
 228                 int width,
 229                 int height,
 230                 VAImage *image     /* out */
 231         );
 232
 233         VAStatus (*vaDeriveImage) (
 234                 VADriverContextP ctx,
 235                 VASurfaceID surface,
 236                 VAImage *image     /* out */
 237         );
 238
 239         VAStatus (*vaDestroyImage) (
 240                 VADriverContextP ctx,
 241                 VAImageID image
 242         );
 243
 244         VAStatus (*vaSetImagePalette) (
 245                 VADriverContextP ctx,
 246                 VAImageID image,
 247                 /*
 248                  * pointer to an array holding the palette data.  The size of the array is
 249                  * num_palette_entries * entry_bytes in size.  The order of the components
 250                  * in the palette is described by the component_order in VAImage struct
 251                  */
 252                 unsigned char *palette
 253         );
 254
 255         VAStatus (*vaGetImage) (
 256                 VADriverContextP ctx,
 257                 VASurfaceID surface,
 258                 int x,     /* coordinates of the upper left source pixel */
 259                 int y,
 260                 unsigned int width, /* width and height of the region */
 261                 unsigned int height,
 262                 VAImageID image
 263         );
 264
 265         VAStatus (*vaPutImage) (
 266                 VADriverContextP ctx,
 267                 VASurfaceID surface,
 268                 VAImageID image,
 269                 int src_x,
 270                 int src_y,
 271                 unsigned int src_width,
 272                 unsigned int src_height,
 273                 int dest_x,
 274                 int dest_y,
 275                 unsigned int dest_width,
 276                 unsigned int dest_height
 277         );
 278
 279         VAStatus (*vaQuerySubpictureFormats) (
 280                 VADriverContextP ctx,
 281                 VAImageFormat *format_list,        /* out */
 282                 unsigned int *flags,       /* out */
 283                 unsigned int *num_formats  /* out */
 284         );
 285
 286         VAStatus (*vaCreateSubpicture) (
 287                 VADriverContextP ctx,
 288                 VAImageID image,
 289                 VASubpictureID *subpicture   /* out */
 290         );
 291
 292         VAStatus (*vaDestroySubpicture) (
 293                 VADriverContextP ctx,
 294                 VASubpictureID subpicture
 295         );
 296
 297         VAStatus (*vaSetSubpictureImage) (
 298                 VADriverContextP ctx,
 299                 VASubpictureID subpicture,
 300                 VAImageID image
 301         );
 302
 303         VAStatus (*vaSetSubpictureChromakey) (
 304                 VADriverContextP ctx,
 305                 VASubpictureID subpicture,
 306                 unsigned int chromakey_min,
 307                 unsigned int chromakey_max,
 308                 unsigned int chromakey_mask
 309         );
 310
 311         VAStatus (*vaSetSubpictureGlobalAlpha) (
 312                 VADriverContextP ctx,
 313                 VASubpictureID subpicture,
 314                 float global_alpha
 315         );
 316
 317         VAStatus (*vaAssociateSubpicture) (
 318                 VADriverContextP ctx,
 319                 VASubpictureID subpicture,
 320                 VASurfaceID *target_surfaces,
 321                 int num_surfaces,
 322                 short src_x, /* upper left offset in subpicture */
 323                 short src_y,
 324                 unsigned short src_width,
 325                 unsigned short src_height,
 326                 short dest_x, /* upper left offset in surface */
 327                 short dest_y,
 328                 unsigned short dest_width,
 329                 unsigned short dest_height,
 330                 /*
 331                  * whether to enable chroma-keying or global-alpha
 332                  * see VA_SUBPICTURE_XXX values
 333                  */
 334                 unsigned int flags
 335         );
 336
 337         VAStatus (*vaDeassociateSubpicture) (
 338                 VADriverContextP ctx,
 339                 VASubpictureID subpicture,
 340                 VASurfaceID *target_surfaces,
 341                 int num_surfaces
 342         );
 343
 344         VAStatus (*vaQueryDisplayAttributes) (
 345                 VADriverContextP ctx,
 346                 VADisplayAttribute *attr_list,  /* out */
 347                 int *num_attributes             /* out */
 348         );
 349
 350         VAStatus (*vaGetDisplayAttributes) (
 351                 VADriverContextP ctx,
 352                 VADisplayAttribute *attr_list,  /* in/out */
 353                 int num_attributes
 354         );
 355
 356         VAStatus (*vaSetDisplayAttributes) (
 357                 VADriverContextP ctx,
 358                 VADisplayAttribute *attr_list,
 359                 int num_attributes
 360         );
 361
 362         /* used by va trace */
 363         VAStatus (*vaBufferInfo) (
 364                    VADriverContextP ctx,      /* in */
 365                    VABufferID buf_id,         /* in */
 366                    VABufferType *type,        /* out */
 367                    unsigned int *size,        /* out */
 368                    unsigned int *num_elements /* out */
 369         );
 370
 371         /* lock/unlock surface for external access */
 372         VAStatus (*vaLockSurface) (
 373                 VADriverContextP ctx,
 374                 VASurfaceID surface,
 375                 unsigned int *fourcc, /* out  for follow argument */
 376                 unsigned int *luma_stride,
 377                 unsigned int *chroma_u_stride,
 378                 unsigned int *chroma_v_stride,
 379                 unsigned int *luma_offset,
 380                 unsigned int *chroma_u_offset,
 381                 unsigned int *chroma_v_offset,
 382                 unsigned int *buffer_name, /* if it is not NULL, assign the low lever
 383                                             * surface buffer name
 384                                             */
 385                 void **buffer /* if it is not NULL, map the surface buffer for
 386                                 * CPU access
 387                                 */
 388         );
 389
 390         VAStatus (*vaUnlockSurface) (
 391                 VADriverContextP ctx,
 392                 VASurfaceID surface
 393         );
 394
 395         /* DEPRECATED */
 396         VAStatus
 397         (*vaGetSurfaceAttributes)(
 398             VADriverContextP    dpy,
 399             VAConfigID          config,
 400             VASurfaceAttrib    *attrib_list,
 401             unsigned int        num_attribs
 402         );
 403
 404         VAStatus
 405         (*vaCreateSurfaces2)(
 406             VADriverContextP    ctx,
 407             unsigned int        format,
 408             unsigned int        width,
 409             unsigned int        height,
 410             VASurfaceID        *surfaces,
 411             unsigned int        num_surfaces,
 412             VASurfaceAttrib    *attrib_list,
 413             unsigned int        num_attribs
 414         );
 415
 416         VAStatus
 417         (*vaQuerySurfaceAttributes)(
 418             VADriverContextP    dpy,
 419             VAConfigID          config,
 420             VASurfaceAttrib    *attrib_list,
 421             unsigned int       *num_attribs
 422         );
 423 };
 424
 425 struct VADriverContext
 426 {
 427     void *pDriverData;
 428
 429     /**
 430      * The core VA implementation hooks.
 431      *
 432      * This structure is allocated from libva with calloc().
 433      */
 434     struct VADriverVTable *vtable;
 435
 436     /**
 437      * The VA/GLX implementation hooks.
 438      *
 439      * This structure is intended for drivers that implement the
 440      * VA/GLX API. The driver implementation is responsible for the
 441      * allocation and deallocation of this structure.
 442      */
 443     struct VADriverVTableGLX *vtable_glx;
 444
 445     /**
 446      * The VA/EGL implementation hooks.
 447      *
 448      * This structure is intended for drivers that implement the
 449      * VA/EGL API. The driver implementation is responsible for the
 450      * allocation and deallocation of this structure.
 451      */
 452     struct VADriverVTableEGL *vtable_egl;
 453
 454     /**
 455      * The third-party/private implementation hooks.
 456      *
 457      * This structure is intended for drivers that implement the
 458      * private API. The driver implementation is responsible for the
 459      * allocation and deallocation of this structure.
 460      */
 461     void *vtable_tpi;
 462
 463     void *native_dpy;
 464     int x11_screen;
 465     int version_major;
 466     int version_minor;
 467     int max_profiles;
 468     int max_entrypoints;
 469     int max_attributes;
 470     int max_image_formats;
 471     int max_subpic_formats;
 472     int max_display_attributes;
 473     const char *str_vendor;
 474
 475     void *handle;                       /* dlopen handle */
 476
 477     /**
 478      * \brief DRM state.
 479      *
 480      * This field holds driver specific data for DRM-based
 481      * drivers. This structure is allocated from libva with
 482      * calloc(). Do not deallocate from within VA driver
 483      * implementations.
 484      *
 485      * All structures shall be derived from struct drm_state. So, for
 486      * instance, this field holds a dri_state structure for VA/X11
 487      * drivers that use the DRM protocol.
 488      */
 489     void *drm_state;
 490
 491     void *glx;                          /* opaque for GLX code */
 492
 493     /** \brief VA display type. */
 494     unsigned long display_type;
 495
 496     /**
 497      * The VA/Wayland implementation hooks.
 498      *
 499      * This structure is intended for drivers that implement the
 500      * VA/Wayland API. libVA allocates this structure with calloc()
 501      * and owns the resulting memory.
 502      */
 503     struct VADriverVTableWayland *vtable_wayland;
 504
 505     /**
 506      * \brief The VA/VPP implementation hooks.
 507      *
 508      * This structure is allocated from libva with calloc().
 509      */
 510     struct VADriverVTableVPP *vtable_vpp;
 511
 512     unsigned long reserved[42];         /* reserve for future add-ins, decrease the subscript accordingly */
 513 };
 514
 515 #define VA_DISPLAY_MAGIC 0x56414430 /* VAD0 */
 516 struct VADisplayContext
 517 {
 518     int vadpy_magic;
 519
 520     VADisplayContextP pNext;
 521     VADriverContextP pDriverContext;
 522
 523     int (*vaIsValid) (
 524         VADisplayContextP ctx
 525     );
 526
 527     void (*vaDestroy) (
 528         VADisplayContextP ctx
 529     );
 530
 531     VAStatus (*vaGetDriverName) (
 532         VADisplayContextP ctx,
 533         char **driver_name
 534     );
 535
 536     void *opaque; /* opaque for display extensions (e.g. GLX) */
 537 };
 538
 539 typedef VAStatus (*VADriverInit) (
 540     VADriverContextP driver_context
 541 );
 542
 543 #endif /* _VA_BACKEND_H_ */