/*
* Copyright (c) 2007 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* Video Decode Acceleration -Backend API
*/
#ifndef _VA_BACKEND_H_
#define _VA_BACKEND_H_
#include <va/va.h>
#include <linux/videodev2.h>
typedef struct VADriverContext *VADriverContextP;
typedef struct VADisplayContext *VADisplayContextP;
/** \brief VA display types. */
enum {
/** \brief Mask to major identifier for VA display type. */
VA_DISPLAY_MAJOR_MASK = 0xf0,
/** \brief VA/X11 API is used, through vaGetDisplay() entry-point. */
VA_DISPLAY_X11 = 0x10,
/** \brief VA/GLX API is used, through vaGetDisplayGLX() entry-point. */
VA_DISPLAY_GLX = (VA_DISPLAY_X11 | (1 << 0)),
/** \brief VA/Android API is used, through vaGetDisplay() entry-point. */
VA_DISPLAY_ANDROID = 0x20,
/** \brief VA/DRM API is used, through vaGetDisplayDRM() entry-point. */
VA_DISPLAY_DRM = 0x30,
/** \brief VA/Wayland API is used, through vaGetDisplayWl() entry-point. */
VA_DISPLAY_WAYLAND = 0x40,
};
struct VADriverVTable
{
VAStatus (*vaTerminate) ( VADriverContextP ctx );
VAStatus (*vaQueryConfigProfiles) (
VADriverContextP ctx,
VAProfile *profile_list, /* out */
int *num_profiles /* out */
);
VAStatus (*vaQueryConfigEntrypoints) (
VADriverContextP ctx,
VAProfile profile,
VAEntrypoint *entrypoint_list, /* out */
int *num_entrypoints /* out */
);
VAStatus (*vaGetConfigAttributes) (
VADriverContextP ctx,
VAProfile profile,
VAEntrypoint entrypoint,
VAConfigAttrib *attrib_list, /* in/out */
int num_attribs
);
VAStatus (*vaCreateConfig) (
VADriverContextP ctx,
VAProfile profile,
VAEntrypoint entrypoint,
VAConfigAttrib *attrib_list,
int num_attribs,
VAConfigID *config_id /* out */
);
VAStatus (*vaDestroyConfig) (
VADriverContextP ctx,
VAConfigID config_id
);
VAStatus (*vaQueryConfigAttributes) (
VADriverContextP ctx,
VAConfigID config_id,
VAProfile *profile, /* out */
VAEntrypoint *entrypoint, /* out */
VAConfigAttrib *attrib_list, /* out */
int *num_attribs /* out */
);
VAStatus (*vaCreateSurfaces) (
VADriverContextP ctx,
int width,
int height,
int format,
int num_surfaces,
VASurfaceID *surfaces /* out */
);
VAStatus (*vaDestroySurfaces) (
VADriverContextP ctx,
VASurfaceID *surface_list,
int num_surfaces
);
VAStatus (*vaCreateContext) (
VADriverContextP ctx,
VAConfigID config_id,
int picture_width,
int picture_height,
int flag,
VASurfaceID *render_targets,
int num_render_targets,
VAContextID *context /* out */
);
VAStatus (*vaDestroyContext) (
VADriverContextP ctx,
VAContextID context
);
VAStatus (*vaCreateBuffer) (
VADriverContextP ctx,
VAContextID context, /* in */
VABufferType type, /* in */
unsigned int size, /* in */
unsigned int num_elements, /* in */
void *data, /* in */
VABufferID *buf_id /* out */
);
VAStatus (*vaBufferSetNumElements) (
VADriverContextP ctx,
VABufferID buf_id, /* in */
unsigned int num_elements /* in */
);
VAStatus (*vaMapBuffer) (
VADriverContextP ctx,
VABufferID buf_id, /* in */
void **pbuf /* out */
);
VAStatus (*vaUnmapBuffer) (
VADriverContextP ctx,
VABufferID buf_id /* in */
);
VAStatus (*vaDestroyBuffer) (
VADriverContextP ctx,
VABufferID buffer_id
);
VAStatus (*vaBeginPicture) (
VADriverContextP ctx,
VAContextID context,
VASurfaceID render_target
);
VAStatus (*vaRenderPicture) (
VADriverContextP ctx,
VAContextID context,
VABufferID *buffers,
int num_buffers
);
VAStatus (*vaEndPicture) (
VADriverContextP ctx,
VAContextID context
);
VAStatus (*vaSyncSurface) (
VADriverContextP ctx,
VASurfaceID render_target
);
VAStatus (*vaQuerySurfaceStatus) (
VADriverContextP ctx,
VASurfaceID render_target,
VASurfaceStatus *status /* out */
);
VAStatus (*vaQuerySurfaceError) (
VADriverContextP ctx,
VASurfaceID render_target,
VAStatus error_status,
void **error_info /*out*/
);
VAStatus (*vaPutSurface) (
VADriverContextP ctx,
VASurfaceID surface,
void* draw, /* Drawable of window system */
short srcx,
short srcy,
unsigned short srcw,
unsigned short srch,
short destx,
short desty,
unsigned short destw,
unsigned short desth,
VARectangle *cliprects, /* client supplied clip list */
unsigned int number_cliprects, /* number of clip rects in the clip list */
unsigned int flags /* de-interlacing flags */
);
VAStatus (*vaQueryImageFormats) (
VADriverContextP ctx,
VAImageFormat *format_list, /* out */
int *num_formats /* out */
);
VAStatus (*vaCreateImage) (
VADriverContextP ctx,
VAImageFormat *format,
int width,
int height,
VAImage *image /* out */
);
VAStatus (*vaDeriveImage) (
VADriverContextP ctx,
VASurfaceID surface,
VAImage *image /* out */
);
VAStatus (*vaDestroyImage) (
VADriverContextP ctx,
VAImageID image
);
VAStatus (*vaSetImagePalette) (
VADriverContextP ctx,
VAImageID image,
/*
* pointer to an array holding the palette data. The size of the array is
* num_palette_entries * entry_bytes in size. The order of the components
* in the palette is described by the component_order in VAImage struct
*/
unsigned char *palette
);
VAStatus (*vaGetImage) (
VADriverContextP ctx,
VASurfaceID surface,
int x, /* coordinates of the upper left source pixel */
int y,
unsigned int width, /* width and height of the region */
unsigned int height,
VAImageID image
);
VAStatus (*vaPutImage) (
VADriverContextP ctx,
VASurfaceID surface,
VAImageID image,
int src_x,
int src_y,
unsigned int src_width,
unsigned int src_height,
int dest_x,
int dest_y,
unsigned int dest_width,
unsigned int dest_height
);
VAStatus (*vaQuerySubpictureFormats) (
VADriverContextP ctx,
VAImageFormat *format_list, /* out */
unsigned int *flags, /* out */
unsigned int *num_formats /* out */
);
VAStatus (*vaCreateSubpicture) (
VADriverContextP ctx,
VAImageID image,
VASubpictureID *subpicture /* out */
);
VAStatus (*vaDestroySubpicture) (
VADriverContextP ctx,
VASubpictureID subpicture
);
VAStatus (*vaSetSubpictureImage) (
VADriverContextP ctx,
VASubpictureID subpicture,
VAImageID image
);
VAStatus (*vaSetSubpictureChromakey) (
VADriverContextP ctx,
VASubpictureID subpicture,
unsigned int chromakey_min,
unsigned int chromakey_max,
unsigned int chromakey_mask
);
VAStatus (*vaSetSubpictureGlobalAlpha) (
VADriverContextP ctx,
VASubpictureID subpicture,
float global_alpha
);
VAStatus (*vaAssociateSubpicture) (
VADriverContextP ctx,
VASubpictureID subpicture,
VASurfaceID *target_surfaces,
int num_surfaces,
short src_x, /* upper left offset in subpicture */
short src_y,
unsigned short src_width,
unsigned short src_height,
short dest_x, /* upper left offset in surface */
short dest_y,
unsigned short dest_width,
unsigned short dest_height,
/*
* whether to enable chroma-keying or global-alpha
* see VA_SUBPICTURE_XXX values
*/
unsigned int flags
);
VAStatus (*vaDeassociateSubpicture) (
VADriverContextP ctx,
VASubpictureID subpicture,
VASurfaceID *target_surfaces,
int num_surfaces
);
VAStatus (*vaQueryDisplayAttributes) (
VADriverContextP ctx,
VADisplayAttribute *attr_list, /* out */
int *num_attributes /* out */
);
VAStatus (*vaGetDisplayAttributes) (
VADriverContextP ctx,
VADisplayAttribute *attr_list, /* in/out */
int num_attributes
);
VAStatus (*vaSetDisplayAttributes) (
VADriverContextP ctx,
VADisplayAttribute *attr_list,
int num_attributes
);
/* used by va trace */
VAStatus (*vaBufferInfo) (
VADriverContextP ctx, /* in */
VABufferID buf_id, /* in */
VABufferType *type, /* out */
unsigned int *size, /* out */
unsigned int *num_elements /* out */
);
/* lock/unlock surface for external access */
VAStatus (*vaLockSurface) (
VADriverContextP ctx,
VASurfaceID surface,
unsigned int *fourcc, /* out for follow argument */
unsigned int *luma_stride,
unsigned int *chroma_u_stride,
unsigned int *chroma_v_stride,
unsigned int *luma_offset,
unsigned int *chroma_u_offset,
unsigned int *chroma_v_offset,
unsigned int *buffer_name, /* if it is not NULL, assign the low lever
* surface buffer name
*/
void **buffer /* if it is not NULL, map the surface buffer for
* CPU access
*/
);
VAStatus (*vaUnlockSurface) (
VADriverContextP ctx,
VASurfaceID surface
);
/* DEPRECATED */
VAStatus
(*vaGetSurfaceAttributes)(
VADriverContextP dpy,
VAConfigID config,
VASurfaceAttrib *attrib_list,
unsigned int num_attribs
);
VAStatus
(*vaCreateSurfaces2)(
VADriverContextP ctx,
unsigned int format,
unsigned int width,
unsigned int height,
VASurfaceID *surfaces,
unsigned int num_surfaces,
VASurfaceAttrib *attrib_list,
unsigned int num_attribs
);
VAStatus
(*vaQuerySurfaceAttributes)(
VADriverContextP dpy,
VAConfigID config,
VASurfaceAttrib *attrib_list,
unsigned int *num_attribs
);
};
struct VADriverContext
{
void *pDriverData;
/**
* The core VA implementation hooks.
*
* This structure is allocated from libva with calloc().
*/
struct VADriverVTable *vtable;
/**
* The VA/GLX implementation hooks.
*
* This structure is intended for drivers that implement the
* VA/GLX API. The driver implementation is responsible for the
* allocation and deallocation of this structure.
*/
struct VADriverVTableGLX *vtable_glx;
/**
* The VA/EGL implementation hooks.
*
* This structure is intended for drivers that implement the
* VA/EGL API. The driver implementation is responsible for the
* allocation and deallocation of this structure.
*/
struct VADriverVTableEGL *vtable_egl;
/**
* The third-party/private implementation hooks.
*
* This structure is intended for drivers that implement the
* private API. The driver implementation is responsible for the
* allocation and deallocation of this structure.
*/
void *vtable_tpi;
void *native_dpy;
int x11_screen;
int version_major;
int version_minor;
int max_profiles;
int max_entrypoints;
int max_attributes;
int max_image_formats;
int max_subpic_formats;
int max_display_attributes;
const char *str_vendor;
void *handle; /* dlopen handle */
/**
* \brief DRM state.
*
* This field holds driver specific data for DRM-based
* drivers. This structure is allocated from libva with
* calloc(). Do not deallocate from within VA driver
* implementations.
*
* All structures shall be derived from struct drm_state. So, for
* instance, this field holds a dri_state structure for VA/X11
* drivers that use the DRM protocol.
*/
void *drm_state;
void *glx; /* opaque for GLX code */
/** \brief VA display type. */
unsigned long display_type;
/**
* The VA/Wayland implementation hooks.
*
* This structure is intended for drivers that implement the
* VA/Wayland API. libVA allocates this structure with calloc()
* and owns the resulting memory.
*/
struct VADriverVTableWayland *vtable_wayland;
/**
* \brief The VA/VPP implementation hooks.
*
* This structure is allocated from libva with calloc().
*/
struct VADriverVTableVPP *vtable_vpp;
unsigned long reserved[42]; /* reserve for future add-ins, decrease the subscript accordingly */
};
#define VA_DISPLAY_MAGIC 0x56414430 /* VAD0 */
struct VADisplayContext
{
int vadpy_magic;
VADisplayContextP pNext;
VADriverContextP pDriverContext;
int (*vaIsValid) (
VADisplayContextP ctx
);
void (*vaDestroy) (
VADisplayContextP ctx
);
VAStatus (*vaGetDriverName) (
VADisplayContextP ctx,
char **driver_name
);
void *opaque; /* opaque for display extensions (e.g. GLX) */
};
typedef VAStatus (*VADriverInit) (
VADriverContextP driver_context
);
#endif /* _VA_BACKEND_H_ */