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/DRM API is used, with a render-node device path */
  52     VA_DISPLAY_DRM_RENDERNODES = (VA_DISPLAY_DRM | (1 << 0)),
  53     /** \brief VA/Wayland API is used, through vaGetDisplayWl() entry-point. */
  54     VA_DISPLAY_WAYLAND  = 0x40,
  55 };
  56
  57 struct VADriverVTable
  58 {
  59         VAStatus (*vaTerminate) ( VADriverContextP ctx );
  60
  61         VAStatus (*vaQueryConfigProfiles) (
  62                 VADriverContextP ctx,
  63                 VAProfile *profile_list,        /* out */
  64                 int *num_profiles                       /* out */
  65         );
  66
  67         VAStatus (*vaQueryConfigEntrypoints) (
  68                 VADriverContextP ctx,
  69                 VAProfile profile,
  70                 VAEntrypoint  *entrypoint_list, /* out */
  71                 int *num_entrypoints                    /* out */
  72         );
  73
  74         VAStatus (*vaGetConfigAttributes) (
  75                 VADriverContextP ctx,
  76                 VAProfile profile,
  77                 VAEntrypoint entrypoint,
  78                 VAConfigAttrib *attrib_list,    /* in/out */
  79                 int num_attribs
  80         );
  81
  82         VAStatus (*vaCreateConfig) (
  83                 VADriverContextP ctx,
  84                 VAProfile profile,
  85                 VAEntrypoint entrypoint,
  86                 VAConfigAttrib *attrib_list,
  87                 int num_attribs,
  88                 VAConfigID *config_id           /* out */
  89         );
  90
  91         VAStatus (*vaDestroyConfig) (
  92                 VADriverContextP ctx,
  93                 VAConfigID config_id
  94         );
  95
  96         VAStatus (*vaQueryConfigAttributes) (
  97                 VADriverContextP ctx,
  98                 VAConfigID config_id,
  99                 VAProfile *profile,             /* out */
 100                 VAEntrypoint *entrypoint,       /* out */
 101                 VAConfigAttrib *attrib_list,    /* out */
 102                 int *num_attribs                /* out */
 103         );
 104
 105         VAStatus (*vaCreateSurfaces) (
 106                 VADriverContextP ctx,
 107                 int width,
 108                 int height,
 109                 int format,
 110                 int num_surfaces,
 111                 VASurfaceID *surfaces           /* out */
 112         );
 113
 114         VAStatus (*vaDestroySurfaces) (
 115                 VADriverContextP ctx,
 116                 VASurfaceID *surface_list,
 117                 int num_surfaces
 118         );
 119
 120         VAStatus (*vaCreateContext) (
 121                 VADriverContextP ctx,
 122                 VAConfigID config_id,
 123                 int picture_width,
 124                 int picture_height,
 125                 int flag,
 126                 VASurfaceID *render_targets,
 127                 int num_render_targets,
 128                 VAContextID *context            /* out */
 129         );
 130
 131         VAStatus (*vaDestroyContext) (
 132                 VADriverContextP ctx,
 133                 VAContextID context
 134         );
 135
 136         VAStatus (*vaCreateBuffer) (
 137                 VADriverContextP ctx,
 138                 VAContextID context,            /* in */
 139                 VABufferType type,              /* in */
 140                 unsigned int size,              /* in */
 141                 unsigned int num_elements,      /* in */
 142                 void *data,                     /* in */
 143                 VABufferID *buf_id              /* out */
 144         );
 145
 146         VAStatus (*vaBufferSetNumElements) (
 147                 VADriverContextP ctx,
 148                 VABufferID buf_id,      /* in */
 149                 unsigned int num_elements       /* in */
 150         );
 151
 152         VAStatus (*vaMapBuffer) (
 153                 VADriverContextP ctx,
 154                 VABufferID buf_id,      /* in */
 155                 void **pbuf         /* out */
 156         );
 157
 158         VAStatus (*vaUnmapBuffer) (
 159                 VADriverContextP ctx,
 160                 VABufferID buf_id       /* in */
 161         );
 162
 163         VAStatus (*vaDestroyBuffer) (
 164                 VADriverContextP ctx,
 165                 VABufferID buffer_id
 166         );
 167
 168         VAStatus (*vaBeginPicture) (
 169                 VADriverContextP ctx,
 170                 VAContextID context,
 171                 VASurfaceID render_target
 172         );
 173
 174         VAStatus (*vaRenderPicture) (
 175                 VADriverContextP ctx,
 176                 VAContextID context,
 177                 VABufferID *buffers,
 178                 int num_buffers
 179         );
 180
 181         VAStatus (*vaEndPicture) (
 182                 VADriverContextP ctx,
 183                 VAContextID context
 184         );
 185
 186         VAStatus (*vaSyncSurface) (
 187                 VADriverContextP ctx,
 188                 VASurfaceID render_target
 189         );
 190
 191         VAStatus (*vaQuerySurfaceStatus) (
 192                 VADriverContextP ctx,
 193                 VASurfaceID render_target,
 194                 VASurfaceStatus *status /* out */
 195         );
 196
 197         VAStatus (*vaQuerySurfaceError) (
 198                 VADriverContextP ctx,
 199                 VASurfaceID render_target,
 200                 VAStatus error_status,
 201                 void **error_info /*out*/
 202         );
 203
 204         VAStatus (*vaPutSurface) (
 205                 VADriverContextP ctx,
 206                 VASurfaceID surface,
 207                 void* draw, /* Drawable of window system */
 208                 short srcx,
 209                 short srcy,
 210                 unsigned short srcw,
 211                 unsigned short srch,
 212                 short destx,
 213                 short desty,
 214                 unsigned short destw,
 215                 unsigned short desth,
 216                 VARectangle *cliprects, /* client supplied clip list */
 217                 unsigned int number_cliprects, /* number of clip rects in the clip list */
 218                 unsigned int flags /* de-interlacing flags */
 219         );
 220
 221         VAStatus (*vaQueryImageFormats) (
 222                 VADriverContextP ctx,
 223                 VAImageFormat *format_list,        /* out */
 224                 int *num_formats           /* out */
 225         );
 226
 227         VAStatus (*vaCreateImage) (
 228                 VADriverContextP ctx,
 229                 VAImageFormat *format,
 230                 int width,
 231                 int height,
 232                 VAImage *image     /* out */
 233         );
 234
 235         VAStatus (*vaDeriveImage) (
 236                 VADriverContextP ctx,
 237                 VASurfaceID surface,
 238                 VAImage *image     /* out */
 239         );
 240
 241         VAStatus (*vaDestroyImage) (
 242                 VADriverContextP ctx,
 243                 VAImageID image
 244         );
 245
 246         VAStatus (*vaSetImagePalette) (
 247                 VADriverContextP ctx,
 248                 VAImageID image,
 249                 /*
 250                  * pointer to an array holding the palette data.  The size of the array is
 251                  * num_palette_entries * entry_bytes in size.  The order of the components
 252                  * in the palette is described by the component_order in VAImage struct
 253                  */
 254                 unsigned char *palette
 255         );
 256
 257         VAStatus (*vaGetImage) (
 258                 VADriverContextP ctx,
 259                 VASurfaceID surface,
 260                 int x,     /* coordinates of the upper left source pixel */
 261                 int y,
 262                 unsigned int width, /* width and height of the region */
 263                 unsigned int height,
 264                 VAImageID image
 265         );
 266
 267         VAStatus (*vaPutImage) (
 268                 VADriverContextP ctx,
 269                 VASurfaceID surface,
 270                 VAImageID image,
 271                 int src_x,
 272                 int src_y,
 273                 unsigned int src_width,
 274                 unsigned int src_height,
 275                 int dest_x,
 276                 int dest_y,
 277                 unsigned int dest_width,
 278                 unsigned int dest_height
 279         );
 280
 281         VAStatus (*vaQuerySubpictureFormats) (
 282                 VADriverContextP ctx,
 283                 VAImageFormat *format_list,        /* out */
 284                 unsigned int *flags,       /* out */
 285                 unsigned int *num_formats  /* out */
 286         );
 287
 288         VAStatus (*vaCreateSubpicture) (
 289                 VADriverContextP ctx,
 290                 VAImageID image,
 291                 VASubpictureID *subpicture   /* out */
 292         );
 293
 294         VAStatus (*vaDestroySubpicture) (
 295                 VADriverContextP ctx,
 296                 VASubpictureID subpicture
 297         );
 298
 299         VAStatus (*vaSetSubpictureImage) (
 300                 VADriverContextP ctx,
 301                 VASubpictureID subpicture,
 302                 VAImageID image
 303         );
 304
 305         VAStatus (*vaSetSubpictureChromakey) (
 306                 VADriverContextP ctx,
 307                 VASubpictureID subpicture,
 308                 unsigned int chromakey_min,
 309                 unsigned int chromakey_max,
 310                 unsigned int chromakey_mask
 311         );
 312
 313         VAStatus (*vaSetSubpictureGlobalAlpha) (
 314                 VADriverContextP ctx,
 315                 VASubpictureID subpicture,
 316                 float global_alpha
 317         );
 318
 319         VAStatus (*vaAssociateSubpicture) (
 320                 VADriverContextP ctx,
 321                 VASubpictureID subpicture,
 322                 VASurfaceID *target_surfaces,
 323                 int num_surfaces,
 324                 short src_x, /* upper left offset in subpicture */
 325                 short src_y,
 326                 unsigned short src_width,
 327                 unsigned short src_height,
 328                 short dest_x, /* upper left offset in surface */
 329                 short dest_y,
 330                 unsigned short dest_width,
 331                 unsigned short dest_height,
 332                 /*
 333                  * whether to enable chroma-keying or global-alpha
 334                  * see VA_SUBPICTURE_XXX values
 335                  */
 336                 unsigned int flags
 337         );
 338
 339         VAStatus (*vaDeassociateSubpicture) (
 340                 VADriverContextP ctx,
 341                 VASubpictureID subpicture,
 342                 VASurfaceID *target_surfaces,
 343                 int num_surfaces
 344         );
 345
 346         VAStatus (*vaQueryDisplayAttributes) (
 347                 VADriverContextP ctx,
 348                 VADisplayAttribute *attr_list,  /* out */
 349                 int *num_attributes             /* out */
 350         );
 351
 352         VAStatus (*vaGetDisplayAttributes) (
 353                 VADriverContextP ctx,
 354                 VADisplayAttribute *attr_list,  /* in/out */
 355                 int num_attributes
 356         );
 357
 358         VAStatus (*vaSetDisplayAttributes) (
 359                 VADriverContextP ctx,
 360                 VADisplayAttribute *attr_list,
 361                 int num_attributes
 362         );
 363
 364         /* used by va trace */
 365         VAStatus (*vaBufferInfo) (
 366                    VADriverContextP ctx,      /* in */
 367                    VABufferID buf_id,         /* in */
 368                    VABufferType *type,        /* out */
 369                    unsigned int *size,        /* out */
 370                    unsigned int *num_elements /* out */
 371         );
 372
 373         /* lock/unlock surface for external access */
 374         VAStatus (*vaLockSurface) (
 375                 VADriverContextP ctx,
 376                 VASurfaceID surface,
 377                 unsigned int *fourcc, /* out  for follow argument */
 378                 unsigned int *luma_stride,
 379                 unsigned int *chroma_u_stride,
 380                 unsigned int *chroma_v_stride,
 381                 unsigned int *luma_offset,
 382                 unsigned int *chroma_u_offset,
 383                 unsigned int *chroma_v_offset,
 384                 unsigned int *buffer_name, /* if it is not NULL, assign the low lever
 385                                             * surface buffer name
 386                                             */
 387                 void **buffer /* if it is not NULL, map the surface buffer for
 388                                 * CPU access
 389                                 */
 390         );
 391
 392         VAStatus (*vaUnlockSurface) (
 393                 VADriverContextP ctx,
 394                 VASurfaceID surface
 395         );
 396
 397         /* DEPRECATED */
 398         VAStatus
 399         (*vaGetSurfaceAttributes)(
 400             VADriverContextP    dpy,
 401             VAConfigID          config,
 402             VASurfaceAttrib    *attrib_list,
 403             unsigned int        num_attribs
 404         );
 405
 406         VAStatus
 407         (*vaCreateSurfaces2)(
 408             VADriverContextP    ctx,
 409             unsigned int        format,
 410             unsigned int        width,
 411             unsigned int        height,
 412             VASurfaceID        *surfaces,
 413             unsigned int        num_surfaces,
 414             VASurfaceAttrib    *attrib_list,
 415             unsigned int        num_attribs
 416         );
 417
 418         VAStatus
 419         (*vaQuerySurfaceAttributes)(
 420             VADriverContextP    dpy,
 421             VAConfigID          config,
 422             VASurfaceAttrib    *attrib_list,
 423             unsigned int       *num_attribs
 424         );
 425
 426         VAStatus
 427         (*vaAcquireBufferHandle)(
 428             VADriverContextP    ctx,
 429             VABufferID          buf_id,         /* in */
 430             VABufferInfo *      buf_info        /* in/out */
 431         );
 432
 433         VAStatus
 434         (*vaReleaseBufferHandle)(
 435             VADriverContextP    ctx,
 436             VABufferID          buf_id          /* in */
 437         );
 438 };
 439
 440 struct VADriverContext
 441 {
 442     void *pDriverData;
 443
 444     /**
 445      * The core VA implementation hooks.
 446      *
 447      * This structure is allocated from libva with calloc().
 448      */
 449     struct VADriverVTable *vtable;
 450
 451     /**
 452      * The VA/GLX implementation hooks.
 453      *
 454      * This structure is intended for drivers that implement the
 455      * VA/GLX API. The driver implementation is responsible for the
 456      * allocation and deallocation of this structure.
 457      */
 458     struct VADriverVTableGLX *vtable_glx;
 459
 460     /**
 461      * The VA/EGL implementation hooks.
 462      *
 463      * This structure is intended for drivers that implement the
 464      * VA/EGL API. The driver implementation is responsible for the
 465      * allocation and deallocation of this structure.
 466      */
 467     struct VADriverVTableEGL *vtable_egl;
 468
 469     /**
 470      * The third-party/private implementation hooks.
 471      *
 472      * This structure is intended for drivers that implement the
 473      * private API. The driver implementation is responsible for the
 474      * allocation and deallocation of this structure.
 475      */
 476     void *vtable_tpi;
 477
 478     void *native_dpy;
 479     int x11_screen;
 480     int version_major;
 481     int version_minor;
 482     int max_profiles;
 483     int max_entrypoints;
 484     int max_attributes;
 485     int max_image_formats;
 486     int max_subpic_formats;
 487     int max_display_attributes;
 488     const char *str_vendor;
 489
 490     void *handle;                       /* dlopen handle */
 491
 492     /**
 493      * \brief DRM state.
 494      *
 495      * This field holds driver specific data for DRM-based
 496      * drivers. This structure is allocated from libva with
 497      * calloc(). Do not deallocate from within VA driver
 498      * implementations.
 499      *
 500      * All structures shall be derived from struct drm_state. So, for
 501      * instance, this field holds a dri_state structure for VA/X11
 502      * drivers that use the DRM protocol.
 503      */
 504     void *drm_state;
 505
 506     void *glx;                          /* opaque for GLX code */
 507
 508     /** \brief VA display type. */
 509     unsigned long display_type;
 510
 511     /**
 512      * The VA/Wayland implementation hooks.
 513      *
 514      * This structure is intended for drivers that implement the
 515      * VA/Wayland API. libVA allocates this structure with calloc()
 516      * and owns the resulting memory.
 517      */
 518     struct VADriverVTableWayland *vtable_wayland;
 519
 520     /**
 521      * \brief The VA/VPP implementation hooks.
 522      *
 523      * This structure is allocated from libva with calloc().
 524      */
 525     struct VADriverVTableVPP *vtable_vpp;
 526
 527     char *override_driver_name;
 528
 529     unsigned long reserved[41];         /* reserve for future add-ins, decrease the subscript accordingly */
 530 };
 531
 532 #define VA_DISPLAY_MAGIC 0x56414430 /* VAD0 */
 533 struct VADisplayContext
 534 {
 535     int vadpy_magic;
 536
 537     VADisplayContextP pNext;
 538     VADriverContextP pDriverContext;
 539
 540     int (*vaIsValid) (
 541         VADisplayContextP ctx
 542     );
 543
 544     void (*vaDestroy) (
 545         VADisplayContextP ctx
 546     );
 547
 548     VAStatus (*vaGetDriverName) (
 549         VADisplayContextP ctx,
 550         char **driver_name
 551     );
 552
 553     void *opaque; /* opaque for display extensions (e.g. GLX) */
 554     void *vatrace; /* opaque for VA trace context */
 555     void *vafool; /* opaque for VA fool context */
 556 };
 557
 558 typedef VAStatus (*VADriverInit) (
 559     VADriverContextP driver_context
 560 );
 561
 562 #endif /* _VA_BACKEND_H_ */