Add libva to chromium third_party.

third_party/libva/va/va.c

+/*
+ * 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.
+ */
+
+#define _GNU_SOURCE 1
+#include "sysdeps.h"
+#include "va.h"
+#include "va_backend.h"
+#include "va_trace.h"
+#include "va_fool.h"
+
+#include <assert.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dlfcn.h>
+#include <unistd.h>
+
+#define DRIVER_EXTENSION        "_drv_video.so"
+
+#define CTX(dpy) (((VADisplayContextP)dpy)->pDriverContext)
+#define CHECK_DISPLAY(dpy) if( !vaDisplayIsValid(dpy) ) { return VA_STATUS_ERROR_INVALID_DISPLAY; }
+
+#define ASSERT          assert
+#define CHECK_VTABLE(s, ctx, func) if (!va_checkVtable(ctx->vtable->va##func, #func)) s = VA_STATUS_ERROR_UNKNOWN;
+#define CHECK_MAXIMUM(s, ctx, var) if (!va_checkMaximum(ctx->max_##var, #var)) s = VA_STATUS_ERROR_UNKNOWN;
+#define CHECK_STRING(s, ctx, var) if (!va_checkString(ctx->str_##var, #var)) s = VA_STATUS_ERROR_UNKNOWN;
+
+#define Bool int
+#define True 1
+#define False 0
+
+/*
+ * read a config "env" for libva.conf or from environment setting
+ * liva.conf has higher priority
+ * return 0: the "env" is set, and the value is copied into env_value
+ *        1: the env is not set
+ */
+int va_parseConfig(char *env, char *env_value)
+{
+    char *token, *value, *saveptr;
+    char oneline[1024];
+    FILE *fp=NULL;
+
+    if (env == NULL)
+        return 1;
+    
+    fp = fopen("/etc/libva.conf", "r");
+    while (fp && (fgets(oneline, 1024, fp) != NULL)) {
+        if (strlen(oneline) == 1)
+            continue;
+        token = strtok_r(oneline, "=\n", &saveptr);
+        value = strtok_r(NULL, "=\n", &saveptr);
+
+        if (NULL == token || NULL == value)
+            continue;
+
+        if (strcmp(token, env) == 0) {
+            if (env_value)
+                strncpy(env_value,value, 1024);
+
+            fclose(fp);
+
+            return 0;
+        }
+    }
+    if (fp)
+        fclose(fp);
+
+    /* no setting in config file, use env setting */
+    if (getenv(env)) {
+        if (env_value)
+            strncpy(env_value, getenv(env), 1024);
+
+        return 0;
+    }
+    
+    return 1;
+}
+
+int vaDisplayIsValid(VADisplay dpy)
+{
+    VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
+    return pDisplayContext && (pDisplayContext->vadpy_magic == VA_DISPLAY_MAGIC) && pDisplayContext->vaIsValid(pDisplayContext);
+}
+
+void va_errorMessage(const char *msg, ...)
+{
+    va_list args;
+
+    fprintf(stderr, "libva error: ");
+    va_start(args, msg);
+    vfprintf(stderr, msg, args);
+    va_end(args);
+}
+
+void va_infoMessage(const char *msg, ...)
+{
+    va_list args;
+
+    fprintf(stderr, "libva: ");
+    va_start(args, msg);
+    vfprintf(stderr, msg, args);
+    va_end(args);
+}
+
+static Bool va_checkVtable(void *ptr, char *function)
+{
+    if (!ptr) {
+        va_errorMessage("No valid vtable entry for va%s\n", function);
+        return False;
+    }
+    return True;
+}
+
+static Bool va_checkMaximum(int value, char *variable)
+{
+    if (!value) {
+        va_errorMessage("Failed to define max_%s in init\n", variable);
+        return False;
+    }
+    return True;
+}
+
+static Bool va_checkString(const char* value, char *variable)
+{
+    if (!value) {
+        va_errorMessage("Failed to define str_%s in init\n", variable);
+        return False;
+    }
+    return True;
+}
+
+static inline int
+va_getDriverInitName(char *name, int namelen, int major, int minor)
+{
+    int ret = snprintf(name, namelen, "__vaDriverInit_%d_%d", major, minor);
+    return ret > 0 && ret < namelen;
+}
+
+static VAStatus va_getDriverName(VADisplay dpy, char **driver_name)
+{
+    VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
+
+    return pDisplayContext->vaGetDriverName(pDisplayContext, driver_name);
+}
+
+static VAStatus va_openDriver(VADisplay dpy, char *driver_name)
+{
+    VADriverContextP ctx = CTX(dpy);
+    VAStatus vaStatus = VA_STATUS_ERROR_UNKNOWN;
+    char *search_path = NULL;
+    char *saveptr;
+    char *driver_dir;
+    
+    if (geteuid() == getuid())
+        /* don't allow setuid apps to use LIBVA_DRIVERS_PATH */
+        search_path = getenv("LIBVA_DRIVERS_PATH");
+    if (!search_path)
+        search_path = VA_DRIVERS_PATH;
+
+    search_path = strdup((const char *)search_path);
+    driver_dir = strtok_r(search_path, ":", &saveptr);
+    while (driver_dir) {
+        void *handle = NULL;
+        char *driver_path = (char *) malloc( strlen(driver_dir) +
+                                             strlen(driver_name) +
+                                             strlen(DRIVER_EXTENSION) + 2 );
+        strncpy( driver_path, driver_dir, strlen(driver_dir) + 1);
+        strncat( driver_path, "/", strlen("/") );
+        strncat( driver_path, driver_name, strlen(driver_name) );
+        strncat( driver_path, DRIVER_EXTENSION, strlen(DRIVER_EXTENSION) );
+        
+        va_infoMessage("Trying to open %s\n", driver_path);
+#ifndef ANDROID
+        handle = dlopen( driver_path, RTLD_NOW | RTLD_GLOBAL | RTLD_NODELETE );
+#else
+        handle = dlopen( driver_path, RTLD_NOW| RTLD_GLOBAL);
+#endif
+        if (!handle) {
+            /* Don't give errors for non-existing files */
+            if (0 == access( driver_path, F_OK))
+                va_errorMessage("dlopen of %s failed: %s\n", driver_path, dlerror());
+        } else {
+            VADriverInit init_func = NULL;
+            char init_func_s[256];
+            int i;
+
+            static const struct {
+                int major;
+                int minor;
+            } compatible_versions[] = {
+                { VA_MAJOR_VERSION, VA_MINOR_VERSION },
+                { 0, 32 },
+                { -1, }
+            };
+
+            for (i = 0; compatible_versions[i].major >= 0; i++) {
+                if (va_getDriverInitName(init_func_s, sizeof(init_func_s),
+                                         compatible_versions[i].major,
+                                         compatible_versions[i].minor)) {
+                    init_func = (VADriverInit)dlsym(handle, init_func_s);
+                    if (init_func) {
+                        va_infoMessage("Found init function %s\n", init_func_s);
+                        break;
+                    }
+                }
+            }
+
+            if (compatible_versions[i].major < 0) {
+                va_errorMessage("%s has no function %s\n",
+                                driver_path, init_func_s);
+                dlclose(handle);
+            } else {
+                struct VADriverVTable *vtable = ctx->vtable;
+
+                vaStatus = VA_STATUS_SUCCESS;
+                if (!vtable) {
+                    vtable = calloc(1, sizeof(*vtable));
+                    if (!vtable)
+                        vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED;
+                }
+                ctx->vtable = vtable;
+
+                if (VA_STATUS_SUCCESS == vaStatus)
+                    vaStatus = (*init_func)(ctx);
+
+                if (VA_STATUS_SUCCESS == vaStatus) {
+                    CHECK_MAXIMUM(vaStatus, ctx, profiles);
+                    CHECK_MAXIMUM(vaStatus, ctx, entrypoints);
+                    CHECK_MAXIMUM(vaStatus, ctx, attributes);
+                    CHECK_MAXIMUM(vaStatus, ctx, image_formats);
+                    CHECK_MAXIMUM(vaStatus, ctx, subpic_formats);
+                    CHECK_MAXIMUM(vaStatus, ctx, display_attributes);
+                    CHECK_STRING(vaStatus, ctx, vendor);
+                    CHECK_VTABLE(vaStatus, ctx, Terminate);
+                    CHECK_VTABLE(vaStatus, ctx, QueryConfigProfiles);
+                    CHECK_VTABLE(vaStatus, ctx, QueryConfigEntrypoints);
+                    CHECK_VTABLE(vaStatus, ctx, QueryConfigAttributes);
+                    CHECK_VTABLE(vaStatus, ctx, CreateConfig);
+                    CHECK_VTABLE(vaStatus, ctx, DestroyConfig);
+                    CHECK_VTABLE(vaStatus, ctx, GetConfigAttributes);
+                    CHECK_VTABLE(vaStatus, ctx, CreateSurfaces);
+                    CHECK_VTABLE(vaStatus, ctx, DestroySurfaces);
+                    CHECK_VTABLE(vaStatus, ctx, CreateContext);
+                    CHECK_VTABLE(vaStatus, ctx, DestroyContext);
+                    CHECK_VTABLE(vaStatus, ctx, CreateBuffer);
+                    CHECK_VTABLE(vaStatus, ctx, BufferSetNumElements);
+                    CHECK_VTABLE(vaStatus, ctx, MapBuffer);
+                    CHECK_VTABLE(vaStatus, ctx, UnmapBuffer);
+                    CHECK_VTABLE(vaStatus, ctx, DestroyBuffer);
+                    CHECK_VTABLE(vaStatus, ctx, BeginPicture);
+                    CHECK_VTABLE(vaStatus, ctx, RenderPicture);
+                    CHECK_VTABLE(vaStatus, ctx, EndPicture);
+                    CHECK_VTABLE(vaStatus, ctx, SyncSurface);
+                    CHECK_VTABLE(vaStatus, ctx, QuerySurfaceStatus);
+                    CHECK_VTABLE(vaStatus, ctx, PutSurface);
+                    CHECK_VTABLE(vaStatus, ctx, QueryImageFormats);
+                    CHECK_VTABLE(vaStatus, ctx, CreateImage);
+                    CHECK_VTABLE(vaStatus, ctx, DeriveImage);
+                    CHECK_VTABLE(vaStatus, ctx, DestroyImage);
+                    CHECK_VTABLE(vaStatus, ctx, SetImagePalette);
+                    CHECK_VTABLE(vaStatus, ctx, GetImage);
+                    CHECK_VTABLE(vaStatus, ctx, PutImage);
+                    CHECK_VTABLE(vaStatus, ctx, QuerySubpictureFormats);
+                    CHECK_VTABLE(vaStatus, ctx, CreateSubpicture);
+                    CHECK_VTABLE(vaStatus, ctx, DestroySubpicture);
+                    CHECK_VTABLE(vaStatus, ctx, SetSubpictureImage);
+                    CHECK_VTABLE(vaStatus, ctx, SetSubpictureChromakey);
+                    CHECK_VTABLE(vaStatus, ctx, SetSubpictureGlobalAlpha);
+                    CHECK_VTABLE(vaStatus, ctx, AssociateSubpicture);
+                    CHECK_VTABLE(vaStatus, ctx, DeassociateSubpicture);
+                    CHECK_VTABLE(vaStatus, ctx, QueryDisplayAttributes);
+                    CHECK_VTABLE(vaStatus, ctx, GetDisplayAttributes);
+                    CHECK_VTABLE(vaStatus, ctx, SetDisplayAttributes);
+                }
+                if (VA_STATUS_SUCCESS != vaStatus) {
+                    va_errorMessage("%s init failed\n", driver_path);
+                    dlclose(handle);
+                }
+                if (VA_STATUS_SUCCESS == vaStatus)
+                    ctx->handle = handle;
+                free(driver_path);
+                break;
+            }
+        }
+        free(driver_path);
+        
+        driver_dir = strtok_r(NULL, ":", &saveptr);
+    }
+    
+    free(search_path);    
+    
+    return vaStatus;
+}
+
+VAPrivFunc vaGetLibFunc(VADisplay dpy, const char *func)
+{
+    VADriverContextP ctx;
+    if (!vaDisplayIsValid(dpy))
+        return NULL;
+    ctx = CTX(dpy);
+
+    if (NULL == ctx->handle)
+        return NULL;
+        
+    return (VAPrivFunc) dlsym(ctx->handle, func);
+}
+
+
+/*
+ * Returns a short english description of error_status
+ */
+const char *vaErrorStr(VAStatus error_status)
+{
+    switch(error_status) {
+        case VA_STATUS_SUCCESS:
+            return "success (no error)";
+        case VA_STATUS_ERROR_OPERATION_FAILED:
+            return "operation failed";
+        case VA_STATUS_ERROR_ALLOCATION_FAILED:
+            return "resource allocation failed";
+        case VA_STATUS_ERROR_INVALID_DISPLAY:
+            return "invalid VADisplay";
+        case VA_STATUS_ERROR_INVALID_CONFIG:
+            return "invalid VAConfigID";
+        case VA_STATUS_ERROR_INVALID_CONTEXT:
+            return "invalid VAContextID";
+        case VA_STATUS_ERROR_INVALID_SURFACE:
+            return "invalid VASurfaceID";
+        case VA_STATUS_ERROR_INVALID_BUFFER:
+            return "invalid VABufferID";
+        case VA_STATUS_ERROR_INVALID_IMAGE:
+            return "invalid VAImageID";
+        case VA_STATUS_ERROR_INVALID_SUBPICTURE:
+            return "invalid VASubpictureID";
+        case VA_STATUS_ERROR_ATTR_NOT_SUPPORTED:
+            return "attribute not supported";
+        case VA_STATUS_ERROR_MAX_NUM_EXCEEDED:
+            return "list argument exceeds maximum number";
+        case VA_STATUS_ERROR_UNSUPPORTED_PROFILE:
+            return "the requested VAProfile is not supported";
+        case VA_STATUS_ERROR_UNSUPPORTED_ENTRYPOINT:
+            return "the requested VAEntryPoint is not supported";
+        case VA_STATUS_ERROR_UNSUPPORTED_RT_FORMAT:
+            return "the requested RT Format is not supported";
+        case VA_STATUS_ERROR_UNSUPPORTED_BUFFERTYPE:
+            return "the requested VABufferType is not supported";
+        case VA_STATUS_ERROR_SURFACE_BUSY:
+            return "surface is in use";
+        case VA_STATUS_ERROR_FLAG_NOT_SUPPORTED:
+            return "flag not supported";
+        case VA_STATUS_ERROR_INVALID_PARAMETER:
+            return "invalid parameter";
+        case VA_STATUS_ERROR_RESOLUTION_NOT_SUPPORTED:
+            return "resolution not supported";
+        case VA_STATUS_ERROR_UNIMPLEMENTED:
+            return "the requested function is not implemented";
+        case VA_STATUS_ERROR_SURFACE_IN_DISPLAYING:
+            return "surface is in displaying (may by overlay)" ;
+        case VA_STATUS_ERROR_INVALID_IMAGE_FORMAT:
+            return "invalid VAImageFormat";
+        case VA_STATUS_ERROR_UNKNOWN:
+            return "unknown libva error";
+    }
+    return "unknown libva error / description missing";
+}
+      
+VAStatus vaInitialize (
+    VADisplay dpy,
+    int *major_version,  /* out */
+    int *minor_version   /* out */
+)
+{
+    const char *driver_name_env = NULL;
+    char *driver_name = NULL;
+    VAStatus vaStatus;
+
+    CHECK_DISPLAY(dpy);
+
+    va_TraceInit(dpy);
+
+    va_FoolInit(dpy);
+
+    va_infoMessage("VA-API version %s\n", VA_VERSION_S);
+
+    driver_name_env = getenv("LIBVA_DRIVER_NAME");
+    if (driver_name_env && geteuid() == getuid()) {
+        /* Don't allow setuid apps to use LIBVA_DRIVER_NAME */
+        driver_name = strdup(driver_name_env);
+        vaStatus = VA_STATUS_SUCCESS;
+        va_infoMessage("User requested driver '%s'\n", driver_name);
+    } else {
+        vaStatus = va_getDriverName(dpy, &driver_name);
+        va_infoMessage("va_getDriverName() returns %d\n", vaStatus);
+    }
+
+    if (VA_STATUS_SUCCESS == vaStatus) {
+        vaStatus = va_openDriver(dpy, driver_name);
+        va_infoMessage("va_openDriver() returns %d\n", vaStatus);
+
+        *major_version = VA_MAJOR_VERSION;
+        *minor_version = VA_MINOR_VERSION;
+    }
+
+    if (driver_name)
+        free(driver_name);
+    
+    VA_TRACE_LOG(va_TraceInitialize, dpy, major_version, minor_version);
+
+    return vaStatus;
+}
+
+
+/*
+ * After this call, all library internal resources will be cleaned up
+ */ 
+VAStatus vaTerminate (
+    VADisplay dpy
+)
+{
+  VAStatus vaStatus = VA_STATUS_SUCCESS;
+  VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
+  VADriverContextP old_ctx;
+
+  CHECK_DISPLAY(dpy);
+  old_ctx = CTX(dpy);
+
+  if (old_ctx->handle) {
+      vaStatus = old_ctx->vtable->vaTerminate(old_ctx);
+      dlclose(old_ctx->handle);
+      old_ctx->handle = NULL;
+  }
+  free(old_ctx->vtable);
+  old_ctx->vtable = NULL;
+
+  if (VA_STATUS_SUCCESS == vaStatus)
+      pDisplayContext->vaDestroy(pDisplayContext);
+
+  VA_TRACE_LOG(va_TraceTerminate, dpy);
+
+  va_TraceEnd(dpy);
+
+  va_FoolEnd(dpy);
+
+  return vaStatus;
+}
+
+/*
+ * vaQueryVendorString returns a pointer to a zero-terminated string
+ * describing some aspects of the VA implemenation on a specific
+ * hardware accelerator. The format of the returned string is:
+ * <vendorname>-<major_version>-<minor_version>-<addtional_info>
+ * e.g. for the Intel GMA500 implementation, an example would be:
+ * "IntelGMA500-1.0-0.2-patch3
+ */
+const char *vaQueryVendorString (
+    VADisplay dpy
+)
+{
+  if (!vaDisplayIsValid(dpy))
+      return NULL;
+  
+  return CTX(dpy)->str_vendor;
+}
+
+
+/* Get maximum number of profiles supported by the implementation */
+int vaMaxNumProfiles (
+    VADisplay dpy
+)
+{
+  if (!vaDisplayIsValid(dpy))
+      return 0;
+  
+  return CTX(dpy)->max_profiles;
+}
+
+/* Get maximum number of entrypoints supported by the implementation */
+int vaMaxNumEntrypoints (
+    VADisplay dpy
+)
+{
+  if (!vaDisplayIsValid(dpy))
+      return 0;
+  
+  return CTX(dpy)->max_entrypoints;
+}
+
+
+/* Get maximum number of attributs supported by the implementation */
+int vaMaxNumConfigAttributes (
+    VADisplay dpy
+)
+{
+  if (!vaDisplayIsValid(dpy))
+      return 0;
+  
+  return CTX(dpy)->max_attributes;
+}
+
+VAStatus vaQueryConfigEntrypoints (
+    VADisplay dpy,
+    VAProfile profile,
+    VAEntrypoint *entrypoints,  /* out */
+    int *num_entrypoints        /* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaQueryConfigEntrypoints ( ctx, profile, entrypoints, num_entrypoints);
+}
+
+VAStatus vaGetConfigAttributes (
+    VADisplay dpy,
+    VAProfile profile,
+    VAEntrypoint entrypoint,
+    VAConfigAttrib *attrib_list, /* in/out */
+    int num_attribs
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaGetConfigAttributes ( ctx, profile, entrypoint, attrib_list, num_attribs );
+}
+
+VAStatus vaQueryConfigProfiles (
+    VADisplay dpy,
+    VAProfile *profile_list,    /* out */
+    int *num_profiles           /* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaQueryConfigProfiles ( ctx, profile_list, num_profiles );
+}
+
+VAStatus vaCreateConfig (
+    VADisplay dpy,
+    VAProfile profile, 
+    VAEntrypoint entrypoint, 
+    VAConfigAttrib *attrib_list,
+    int num_attribs,
+    VAConfigID *config_id /* out */
+)
+{
+  VADriverContextP ctx;
+  VAStatus vaStatus = VA_STATUS_SUCCESS;
+  int ret = 0;
+  
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  vaStatus = ctx->vtable->vaCreateConfig ( ctx, profile, entrypoint, attrib_list, num_attribs, config_id );
+
+  /* record the current entrypoint for further trace/fool determination */
+  VA_TRACE_FUNC(va_TraceCreateConfig, dpy, profile, entrypoint, attrib_list, num_attribs, config_id);
+  VA_FOOL_FUNC(va_FoolCreateConfig, dpy, profile, entrypoint, attrib_list, num_attribs, config_id);
+  
+  return vaStatus;
+}
+
+VAStatus vaDestroyConfig (
+    VADisplay dpy,
+    VAConfigID config_id
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaDestroyConfig ( ctx, config_id );
+}
+
+VAStatus vaQueryConfigAttributes (
+    VADisplay dpy,
+    VAConfigID config_id, 
+    VAProfile *profile,         /* out */
+    VAEntrypoint *entrypoint,   /* out */
+    VAConfigAttrib *attrib_list,/* out */
+    int *num_attribs            /* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaQueryConfigAttributes( ctx, config_id, profile, entrypoint, attrib_list, num_attribs);
+}
+
+VAStatus vaCreateSurfaces (
+    VADisplay dpy,
+    int width,
+    int height,
+    int format,
+    int num_surfaces,
+    VASurfaceID *surfaces       /* out */
+)
+{
+  VADriverContextP ctx;
+  VAStatus vaStatus;
+
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  vaStatus = ctx->vtable->vaCreateSurfaces( ctx, width, height, format, num_surfaces, surfaces );
+
+  VA_TRACE_LOG(va_TraceCreateSurface, dpy, width, height, format, num_surfaces, surfaces);
+  
+  return vaStatus;
+}
+
+
+VAStatus vaDestroySurfaces (
+    VADisplay dpy,
+    VASurfaceID *surface_list,
+    int num_surfaces
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaDestroySurfaces( ctx, surface_list, num_surfaces );
+}
+
+VAStatus vaCreateContext (
+    VADisplay dpy,
+    VAConfigID config_id,
+    int picture_width,
+    int picture_height,
+    int flag,
+    VASurfaceID *render_targets,
+    int num_render_targets,
+    VAContextID *context                /* out */
+)
+{
+  VADriverContextP ctx;
+  VAStatus vaStatus;
+  
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  vaStatus = ctx->vtable->vaCreateContext( ctx, config_id, picture_width, picture_height,
+                                      flag, render_targets, num_render_targets, context );
+
+  /* keep current encode/decode resoluton */
+  VA_TRACE_FUNC(va_TraceCreateContext, dpy, config_id, picture_width, picture_height, flag, render_targets, num_render_targets, context);
+
+  return vaStatus;
+}
+
+VAStatus vaDestroyContext (
+    VADisplay dpy,
+    VAContextID context
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaDestroyContext( ctx, context );
+}
+
+VAStatus vaCreateBuffer (
+    VADisplay dpy,
+    VAContextID context,        /* in */
+    VABufferType type,          /* in */
+    unsigned int size,          /* in */
+    unsigned int num_elements,  /* in */
+    void *data,                 /* in */
+    VABufferID *buf_id          /* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+  int ret = 0;
+
+  VA_FOOL_FUNC(va_FoolCreateBuffer, dpy, context, type, size, num_elements, data, buf_id);
+  if (ret)
+      return VA_STATUS_SUCCESS;
+
+  return ctx->vtable->vaCreateBuffer( ctx, context, type, size, num_elements, data, buf_id);
+}
+
+VAStatus vaBufferSetNumElements (
+    VADisplay dpy,
+    VABufferID buf_id,  /* in */
+    unsigned int num_elements /* in */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+  
+  VA_FOOL_RETURN();
+  
+  return ctx->vtable->vaBufferSetNumElements( ctx, buf_id, num_elements );
+}
+
+
+VAStatus vaMapBuffer (
+    VADisplay dpy,
+    VABufferID buf_id,  /* in */
+    void **pbuf         /* out */
+)
+{
+  VADriverContextP ctx;
+  VAStatus va_status;
+  int ret = 0;
+  
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  VA_FOOL_FUNC(va_FoolMapBuffer, dpy, buf_id, pbuf);
+  if (ret)
+      return VA_STATUS_SUCCESS;
+  
+  va_status = ctx->vtable->vaMapBuffer( ctx, buf_id, pbuf );
+
+  VA_TRACE_LOG(va_TraceMapBuffer, dpy, buf_id, pbuf);
+  
+  return va_status;
+}
+
+VAStatus vaUnmapBuffer (
+    VADisplay dpy,
+    VABufferID buf_id   /* in */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+  int ret = 0;
+
+  VA_FOOL_FUNC(va_FoolUnmapBuffer, dpy, buf_id);
+  if (ret)
+      return VA_STATUS_SUCCESS;
+
+  return ctx->vtable->vaUnmapBuffer( ctx, buf_id );
+}
+
+VAStatus vaDestroyBuffer (
+    VADisplay dpy,
+    VABufferID buffer_id
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  VA_FOOL_RETURN();
+  
+  return ctx->vtable->vaDestroyBuffer( ctx, buffer_id );
+}
+
+VAStatus vaBufferInfo (
+    VADisplay dpy,
+    VAContextID context,        /* in */
+    VABufferID buf_id,          /* in */
+    VABufferType *type,         /* out */
+    unsigned int *size,         /* out */
+    unsigned int *num_elements  /* out */
+)
+{
+  VADriverContextP ctx;
+  int ret = 0;
+  
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  VA_FOOL_FUNC(va_FoolBufferInfo, dpy, buf_id, type, size, num_elements);
+  if (ret)
+      return VA_STATUS_SUCCESS;
+  
+  return ctx->vtable->vaBufferInfo( ctx, buf_id, type, size, num_elements );
+}
+
+VAStatus vaBeginPicture (
+    VADisplay dpy,
+    VAContextID context,
+    VASurfaceID render_target
+)
+{
+  VADriverContextP ctx;
+  VAStatus va_status;
+
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  VA_TRACE_FUNC(va_TraceBeginPicture, dpy, context, render_target);
+  VA_FOOL_RETURN();
+  
+  va_status = ctx->vtable->vaBeginPicture( ctx, context, render_target );
+  
+  return va_status;
+}
+
+VAStatus vaRenderPicture (
+    VADisplay dpy,
+    VAContextID context,
+    VABufferID *buffers,
+    int num_buffers
+)
+{
+  VADriverContextP ctx;
+
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  VA_TRACE_LOG(va_TraceRenderPicture, dpy, context, buffers, num_buffers);
+  VA_FOOL_RETURN();
+
+  return ctx->vtable->vaRenderPicture( ctx, context, buffers, num_buffers );
+}
+
+VAStatus vaEndPicture (
+    VADisplay dpy,
+    VAContextID context
+)
+{
+  VAStatus va_status;
+  VADriverContextP ctx;
+
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  /* dump encode source surface */
+  VA_TRACE_SURFACE(va_TraceEndPicture, dpy, context, 0);
+  /* return directly if do dummy operation */
+  VA_FOOL_RETURN();
+  
+  va_status = ctx->vtable->vaEndPicture( ctx, context );
+  /* dump decode dest surface */
+  VA_TRACE_SURFACE(va_TraceEndPicture, dpy, context, 1);
+
+  return va_status;
+}
+
+VAStatus vaSyncSurface (
+    VADisplay dpy,
+    VASurfaceID render_target
+)
+{
+  VAStatus va_status;
+  VADriverContextP ctx;
+
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  va_status = ctx->vtable->vaSyncSurface( ctx, render_target );
+  VA_TRACE_LOG(va_TraceSyncSurface, dpy, render_target);
+
+  return va_status;
+}
+
+VAStatus vaQuerySurfaceStatus (
+    VADisplay dpy,
+    VASurfaceID render_target,
+    VASurfaceStatus *status     /* out */
+)
+{
+  VAStatus va_status;
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  va_status = ctx->vtable->vaQuerySurfaceStatus( ctx, render_target, status );
+
+  VA_TRACE_LOG(va_TraceQuerySurfaceStatus, dpy, render_target, status);
+
+  return va_status;
+}
+
+VAStatus vaQuerySurfaceError (
+        VADisplay dpy,
+        VASurfaceID surface,
+        VAStatus error_status,
+        void **error_info /*out*/
+)
+{
+  VAStatus va_status;
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  va_status = ctx->vtable->vaQuerySurfaceError( ctx, surface, error_status, error_info );
+
+  VA_TRACE_LOG(va_TraceQuerySurfaceError, dpy, surface, error_status, error_info);
+
+  return va_status;
+}
+
+/* Get maximum number of image formats supported by the implementation */
+int vaMaxNumImageFormats (
+    VADisplay dpy
+)
+{
+  if (!vaDisplayIsValid(dpy))
+      return 0;
+  
+  return CTX(dpy)->max_image_formats;
+}
+
+VAStatus vaQueryImageFormats (
+    VADisplay dpy,
+    VAImageFormat *format_list, /* out */
+    int *num_formats            /* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaQueryImageFormats ( ctx, format_list, num_formats);
+}
+
+/* 
+ * The width and height fields returned in the VAImage structure may get 
+ * enlarged for some YUV formats. The size of the data buffer that needs
+ * to be allocated will be given in the "data_size" field in VAImage.
+ * Image data is not allocated by this function.  The client should
+ * allocate the memory and fill in the VAImage structure's data field
+ * after looking at "data_size" returned from the library.
+ */
+VAStatus vaCreateImage (
+    VADisplay dpy,
+    VAImageFormat *format,
+    int width,
+    int height,
+    VAImage *image      /* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaCreateImage ( ctx, format, width, height, image);
+}
+
+/*
+ * Should call DestroyImage before destroying the surface it is bound to
+ */
+VAStatus vaDestroyImage (
+    VADisplay dpy,
+    VAImageID image
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaDestroyImage ( ctx, image);
+}
+
+VAStatus vaSetImagePalette (
+    VADisplay dpy,
+    VAImageID image,
+    unsigned char *palette
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaSetImagePalette ( ctx, image, palette);
+}
+
+/*
+ * Retrieve surface data into a VAImage
+ * Image must be in a format supported by the implementation
+ */
+VAStatus vaGetImage (
+    VADisplay dpy,
+    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
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaGetImage ( ctx, surface, x, y, width, height, image);
+}
+
+/*
+ * Copy data from a VAImage to a surface
+ * Image must be in a format supported by the implementation
+ */
+VAStatus vaPutImage (
+    VADisplay dpy,
+    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
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaPutImage ( ctx, surface, image, src_x, src_y, src_width, src_height, dest_x, dest_y, dest_width, dest_height );
+}
+
+/*
+ * Derive an VAImage from an existing surface.
+ * This interface will derive a VAImage and corresponding image buffer from
+ * an existing VA Surface. The image buffer can then be mapped/unmapped for
+ * direct CPU access. This operation is only possible on implementations with
+ * direct rendering capabilities and internal surface formats that can be
+ * represented with a VAImage. When the operation is not possible this interface
+ * will return VA_STATUS_ERROR_OPERATION_FAILED. Clients should then fall back
+ * to using vaCreateImage + vaPutImage to accomplish the same task in an
+ * indirect manner.
+ *
+ * Implementations should only return success when the resulting image buffer
+ * would be useable with vaMap/Unmap.
+ *
+ * When directly accessing a surface special care must be taken to insure
+ * proper synchronization with the graphics hardware. Clients should call
+ * vaQuerySurfaceStatus to insure that a surface is not the target of concurrent
+ * rendering or currently being displayed by an overlay.
+ *
+ * Additionally nothing about the contents of a surface should be assumed
+ * following a vaPutSurface. Implementations are free to modify the surface for
+ * scaling or subpicture blending within a call to vaPutImage.
+ *
+ * Calls to vaPutImage or vaGetImage using the same surface from which the image
+ * has been derived will return VA_STATUS_ERROR_SURFACE_BUSY. vaPutImage or
+ * vaGetImage with other surfaces is supported.
+ *
+ * An image created with vaDeriveImage should be freed with vaDestroyImage. The
+ * image and image buffer structures will be destroyed; however, the underlying
+ * surface will remain unchanged until freed with vaDestroySurfaces.
+ */
+VAStatus vaDeriveImage (
+    VADisplay dpy,
+    VASurfaceID surface,
+    VAImage *image      /* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaDeriveImage ( ctx, surface, image );
+}
+
+
+/* Get maximum number of subpicture formats supported by the implementation */
+int vaMaxNumSubpictureFormats (
+    VADisplay dpy
+)
+{
+  if (!vaDisplayIsValid(dpy))
+      return 0;
+  
+  return CTX(dpy)->max_subpic_formats;
+}
+
+/* 
+ * Query supported subpicture formats 
+ * The caller must provide a "format_list" array that can hold at
+ * least vaMaxNumSubpictureFormats() entries. The flags arrary holds the flag 
+ * for each format to indicate additional capabilities for that format. The actual 
+ * number of formats returned in "format_list" is returned in "num_formats".
+ */
+VAStatus vaQuerySubpictureFormats (
+    VADisplay dpy,
+    VAImageFormat *format_list, /* out */
+    unsigned int *flags,        /* out */
+    unsigned int *num_formats   /* out */
+)
+{
+  VADriverContextP ctx;
+
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaQuerySubpictureFormats ( ctx, format_list, flags, num_formats);
+}
+
+/* 
+ * Subpictures are created with an image associated. 
+ */
+VAStatus vaCreateSubpicture (
+    VADisplay dpy,
+    VAImageID image,
+    VASubpictureID *subpicture  /* out */
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaCreateSubpicture ( ctx, image, subpicture );
+}
+
+/*
+ * Destroy the subpicture before destroying the image it is assocated to
+ */
+VAStatus vaDestroySubpicture (
+    VADisplay dpy,
+    VASubpictureID subpicture
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaDestroySubpicture ( ctx, subpicture);
+}
+
+VAStatus vaSetSubpictureImage (
+    VADisplay dpy,
+    VASubpictureID subpicture,
+    VAImageID image
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaSetSubpictureImage ( ctx, subpicture, image);
+}
+
+
+/*
+ * If chromakey is enabled, then the area where the source value falls within
+ * the chromakey [min, max] range is transparent
+ */
+VAStatus vaSetSubpictureChromakey (
+    VADisplay dpy,
+    VASubpictureID subpicture,
+    unsigned int chromakey_min,
+    unsigned int chromakey_max,
+    unsigned int chromakey_mask
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaSetSubpictureChromakey ( ctx, subpicture, chromakey_min, chromakey_max, chromakey_mask );
+}
+
+
+/*
+ * Global alpha value is between 0 and 1. A value of 1 means fully opaque and 
+ * a value of 0 means fully transparent. If per-pixel alpha is also specified then
+ * the overall alpha is per-pixel alpha multiplied by the global alpha
+ */
+VAStatus vaSetSubpictureGlobalAlpha (
+    VADisplay dpy,
+    VASubpictureID subpicture,
+    float global_alpha 
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaSetSubpictureGlobalAlpha ( ctx, subpicture, global_alpha );
+}
+
+/*
+  vaAssociateSubpicture associates the subpicture with the target_surface.
+  It defines the region mapping between the subpicture and the target 
+  surface through source and destination rectangles (with the same width and height).
+  Both will be displayed at the next call to vaPutSurface.  Additional
+  associations before the call to vaPutSurface simply overrides the association.
+*/
+VAStatus vaAssociateSubpicture (
+    VADisplay dpy,
+    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
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaAssociateSubpicture ( ctx, subpicture, target_surfaces, num_surfaces, src_x, src_y, src_width, src_height, dest_x, dest_y, dest_width, dest_height, flags );
+}
+
+/*
+ * vaDeassociateSubpicture removes the association of the subpicture with target_surfaces.
+ */
+VAStatus vaDeassociateSubpicture (
+    VADisplay dpy,
+    VASubpictureID subpicture,
+    VASurfaceID *target_surfaces,
+    int num_surfaces
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaDeassociateSubpicture ( ctx, subpicture, target_surfaces, num_surfaces );
+}
+
+
+/* Get maximum number of display attributes supported by the implementation */
+int vaMaxNumDisplayAttributes (
+    VADisplay dpy
+)
+{
+  int tmp;
+    
+  if (!vaDisplayIsValid(dpy))
+      return 0;
+  
+  tmp = CTX(dpy)->max_display_attributes;
+
+  VA_TRACE_LOG(va_TraceMaxNumDisplayAttributes, dpy, tmp);
+  
+  return tmp;
+}
+
+/* 
+ * Query display attributes 
+ * The caller must provide a "attr_list" array that can hold at
+ * least vaMaxNumDisplayAttributes() entries. The actual number of attributes
+ * returned in "attr_list" is returned in "num_attributes".
+ */
+VAStatus vaQueryDisplayAttributes (
+    VADisplay dpy,
+    VADisplayAttribute *attr_list,      /* out */
+    int *num_attributes                 /* out */
+)
+{
+  VADriverContextP ctx;
+  VAStatus va_status;
+  
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+  va_status = ctx->vtable->vaQueryDisplayAttributes ( ctx, attr_list, num_attributes );
+
+  VA_TRACE_LOG(va_TraceQueryDisplayAttributes, dpy, attr_list, num_attributes);
+
+  return va_status;
+  
+}
+
+/* 
+ * Get display attributes 
+ * This function returns the current attribute values in "attr_list".
+ * Only attributes returned with VA_DISPLAY_ATTRIB_GETTABLE set in the "flags" field
+ * from vaQueryDisplayAttributes() can have their values retrieved.  
+ */
+VAStatus vaGetDisplayAttributes (
+    VADisplay dpy,
+    VADisplayAttribute *attr_list,      /* in/out */
+    int num_attributes
+)
+{
+  VADriverContextP ctx;
+  VAStatus va_status;
+
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+  va_status = ctx->vtable->vaGetDisplayAttributes ( ctx, attr_list, num_attributes );
+
+  VA_TRACE_LOG(va_TraceGetDisplayAttributes, dpy, attr_list, num_attributes);
+  
+  return va_status;
+}
+
+/* 
+ * Set display attributes 
+ * Only attributes returned with VA_DISPLAY_ATTRIB_SETTABLE set in the "flags" field
+ * from vaQueryDisplayAttributes() can be set.  If the attribute is not settable or 
+ * the value is out of range, the function returns VA_STATUS_ERROR_ATTR_NOT_SUPPORTED
+ */
+VAStatus vaSetDisplayAttributes (
+    VADisplay dpy,
+    VADisplayAttribute *attr_list,
+    int num_attributes
+)
+{
+  VADriverContextP ctx;
+  VAStatus va_status;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  va_status = ctx->vtable->vaSetDisplayAttributes ( ctx, attr_list, num_attributes );
+  VA_TRACE_LOG(va_TraceSetDisplayAttributes, dpy, attr_list, num_attributes);
+  
+  return va_status;
+}
+
+VAStatus vaLockSurface(VADisplay dpy,
+    VASurfaceID surface,
+    unsigned int *fourcc, /* following are output 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,
+    void **buffer 
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaLockSurface( ctx, surface, fourcc, luma_stride, chroma_u_stride, chroma_v_stride, luma_offset, chroma_u_offset, chroma_v_offset, buffer_name, buffer);
+}
+
+
+VAStatus vaUnlockSurface(VADisplay dpy,
+    VASurfaceID surface
+)
+{
+  VADriverContextP ctx;
+  CHECK_DISPLAY(dpy);
+  ctx = CTX(dpy);
+
+  return ctx->vtable->vaUnlockSurface( ctx, surface );
+}