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va.c
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va.c
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/*
* 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_backend_prot.h"
#include "va_backend_vpp.h"
#include "va_internal.h"
#include "va_trace.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(_WIN32)
#include "compat_win32.h"
#define DRIVER_EXTENSION "_drv_video.dll"
#define DRIVER_PATH_STRING "%s\\%s%s"
#define ENV_VAR_SEPARATOR ";"
#else
#include <dlfcn.h>
#include <unistd.h>
#define DRIVER_EXTENSION "_drv_video.so"
#define DRIVER_PATH_STRING "%s/%s%s"
#define ENV_VAR_SEPARATOR ":"
#endif
#ifdef ANDROID
#include <log/log.h>
#endif
#define ASSERT assert
#define CHECK_VTABLE(s, ctx, func) if (!va_checkVtable(dpy, ctx->vtable->va##func, #func)) s = VA_STATUS_ERROR_UNIMPLEMENTED;
#define CHECK_MAXIMUM(s, ctx, var) if (!va_checkMaximum(dpy, ctx->max_##var, #var)) s = VA_STATUS_ERROR_UNKNOWN;
#define CHECK_STRING(s, ctx, var) if (!va_checkString(dpy, ctx->str_##var, #var)) s = VA_STATUS_ERROR_UNKNOWN;
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#ifndef HAVE_SECURE_GETENV
static char * secure_getenv(const char *name)
{
#if defined(__MINGW32__) || defined(__MINGW64__)
if (getuid() == geteuid())
#else
if (getuid() == geteuid() && getgid() == getegid())
#endif
return getenv(name);
else
return NULL;
}
#endif
/*
* read a config "env" for libva.conf or from environment setting
* libva.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(SYSCONFDIR "/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);
env_value[1023] = '\0';
}
fclose(fp);
return 0;
}
}
if (fp)
fclose(fp);
/* no setting in config file, use env setting */
value = secure_getenv(env);
if (value) {
if (env_value) {
strncpy(env_value, value, 1024);
env_value[1023] = '\0';
}
return 0;
}
return 1;
}
int vaDisplayIsValid(VADisplay dpy)
{
VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
return pDisplayContext &&
pDisplayContext->vadpy_magic == VA_DISPLAY_MAGIC &&
pDisplayContext->pDriverContext;
}
/*
* Global log level configured from the config file or environment, which sets
* whether default logging appears or not (always overridden by explicitly
* user-configured logging).
*/
static int default_log_level = 2;
static void default_log_error(void *user_context, const char *buffer)
{
if (default_log_level < 1)
return;
# ifdef ANDROID
ALOGE("%s", buffer);
# else
fprintf(stderr, "libva error: %s", buffer);
# endif
}
static void default_log_info(void *user_context, const char *buffer)
{
if (default_log_level < 2)
return;
# ifdef ANDROID
ALOGI("%s", buffer);
# else
fprintf(stderr, "libva info: %s", buffer);
# endif
}
/**
* Set the callback for error messages, or NULL for no logging.
* Returns the previous one, or NULL if it was disabled.
*/
VAMessageCallback vaSetErrorCallback(VADisplay dpy, VAMessageCallback callback, void *user_context)
{
VADisplayContextP dctx;
VAMessageCallback old_callback;
if (!vaDisplayIsValid(dpy))
return NULL;
dctx = (VADisplayContextP)dpy;
old_callback = dctx->error_callback;
dctx->error_callback = callback;
dctx->error_callback_user_context = user_context;
return old_callback;
}
/**
* Set the callback for info messages, or NULL for no logging.
* Returns the previous one, or NULL if it was disabled.
*/
VAMessageCallback vaSetInfoCallback(VADisplay dpy, VAMessageCallback callback, void *user_context)
{
VADisplayContextP dctx;
VAMessageCallback old_callback;
if (!vaDisplayIsValid(dpy))
return NULL;
dctx = (VADisplayContextP)dpy;
old_callback = dctx->info_callback;
dctx->info_callback = callback;
dctx->info_callback_user_context = user_context;
return old_callback;
}
static void va_MessagingInit()
{
char env_value[1024];
int ret;
if (va_parseConfig("LIBVA_MESSAGING_LEVEL", &env_value[0]) == 0) {
ret = sscanf(env_value, "%d", &default_log_level);
if (ret < 1 || default_log_level < 0 || default_log_level > 2)
default_log_level = 2;
}
}
void va_errorMessage(VADisplay dpy, const char *msg, ...)
{
VADisplayContextP dctx = (VADisplayContextP)dpy;
char buf[512], *dynbuf;
va_list args;
int n, len;
if (dctx->error_callback == NULL)
return;
va_start(args, msg);
len = vsnprintf(buf, sizeof(buf), msg, args);
va_end(args);
if (len >= (int)sizeof(buf)) {
dynbuf = malloc(len + 1);
if (!dynbuf)
return;
va_start(args, msg);
n = vsnprintf(dynbuf, len + 1, msg, args);
va_end(args);
if (n == len)
dctx->error_callback(dctx->error_callback_user_context, dynbuf);
free(dynbuf);
} else if (len > 0)
dctx->error_callback(dctx->error_callback_user_context, buf);
}
void va_infoMessage(VADisplay dpy, const char *msg, ...)
{
VADisplayContextP dctx = (VADisplayContextP)dpy;
char buf[512], *dynbuf;
va_list args;
int n, len;
if (dctx->info_callback == NULL)
return;
va_start(args, msg);
len = vsnprintf(buf, sizeof(buf), msg, args);
va_end(args);
if (len >= (int)sizeof(buf)) {
dynbuf = malloc(len + 1);
if (!dynbuf)
return;
va_start(args, msg);
n = vsnprintf(dynbuf, len + 1, msg, args);
va_end(args);
if (n == len)
dctx->info_callback(dctx->info_callback_user_context, dynbuf);
free(dynbuf);
} else if (len > 0)
dctx->info_callback(dctx->info_callback_user_context, buf);
}
static void va_driverErrorCallback(VADriverContextP ctx,
const char *message)
{
VADisplayContextP dctx = ctx->pDisplayContext;
if (!dctx)
return;
dctx->error_callback(dctx->error_callback_user_context, message);
}
static void va_driverInfoCallback(VADriverContextP ctx,
const char *message)
{
VADisplayContextP dctx = ctx->pDisplayContext;
if (!dctx)
return;
dctx->info_callback(dctx->info_callback_user_context, message);
}
VADisplayContextP va_newDisplayContext(void)
{
VADisplayContextP dctx = calloc(1, sizeof(*dctx));
if (!dctx)
return NULL;
dctx->vadpy_magic = VA_DISPLAY_MAGIC;
dctx->error_callback = default_log_error;
dctx->info_callback = default_log_info;
return dctx;
}
VADriverContextP va_newDriverContext(VADisplayContextP dctx)
{
VADriverContextP ctx = calloc(1, sizeof(*ctx));
if (!ctx)
return NULL;
dctx->pDriverContext = ctx;
ctx->pDisplayContext = dctx;
ctx->error_callback = va_driverErrorCallback;
ctx->info_callback = va_driverInfoCallback;
return ctx;
}
static bool va_checkVtable(VADisplay dpy, void *ptr, char *function)
{
if (!ptr) {
va_errorMessage(dpy, "No valid vtable entry for va%s\n", function);
return false;
}
return true;
}
static bool va_checkMaximum(VADisplay dpy, int value, char *variable)
{
if (!value) {
va_errorMessage(dpy, "Failed to define max_%s in init\n", variable);
return false;
}
return true;
}
static bool va_checkString(VADisplay dpy, const char* value, char *variable)
{
if (!value) {
va_errorMessage(dpy, "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 char *va_getDriverPath(const char *driver_dir, const char *driver_name)
{
int n = snprintf(0, 0, DRIVER_PATH_STRING, driver_dir, driver_name, DRIVER_EXTENSION);
if (n < 0)
return NULL;
char *driver_path = (char *) malloc(n + 1);
if (!driver_path)
return NULL;
n = snprintf(driver_path, n + 1, DRIVER_PATH_STRING,
driver_dir, driver_name, DRIVER_EXTENSION);
if (n < 0) {
free(driver_path);
return NULL;
}
return driver_path;
}
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 = secure_getenv("LIBVA_DRIVERS_PATH");
if (!search_path)
search_path = VA_DRIVERS_PATH;
search_path = strdup((const char *)search_path);
if (!search_path) {
va_errorMessage(dpy, "%s L%d Out of memory\n",
__FUNCTION__, __LINE__);
return VA_STATUS_ERROR_ALLOCATION_FAILED;
}
driver_dir = strtok_r(search_path, ENV_VAR_SEPARATOR, &saveptr);
while (driver_dir) {
void *handle = NULL;
char *driver_path = va_getDriverPath(driver_dir, driver_name);
if (!driver_path) {
va_errorMessage(dpy, "%s L%d Out of memory\n",
__FUNCTION__, __LINE__);
free(search_path);
return VA_STATUS_ERROR_ALLOCATION_FAILED;
}
va_infoMessage(dpy, "Trying to open %s\n", driver_path);
#if defined(RTLD_NODELETE) && !defined(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(dpy, "dlopen of %s failed: %s\n", driver_path, dlerror());
} else {
VADriverInit init_func = NULL;
char init_func_s[256];
int i;
struct {
int major;
int minor;
} compatible_versions[VA_MINOR_VERSION + 2];
for (i = 0; i <= VA_MINOR_VERSION; i ++) {
compatible_versions[i].major = VA_MAJOR_VERSION;
compatible_versions[i].minor = VA_MINOR_VERSION - i;
}
compatible_versions[i].major = -1;
compatible_versions[i].minor = -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(dpy, "Found init function %s\n", init_func_s);
break;
}
}
}
if (compatible_versions[i].major < 0) {
va_errorMessage(dpy, "%s has no function %s\n",
driver_path, init_func_s);
dlclose(handle);
} else {
struct VADriverVTable *vtable = ctx->vtable;
struct VADriverVTableVPP *vtable_vpp = ctx->vtable_vpp;
struct VADriverVTableProt *vtable_prot = ctx->vtable_prot;
vaStatus = VA_STATUS_SUCCESS;
if (!vtable) {
vtable = calloc(1, sizeof(*vtable));
if (!vtable)
vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED;
}
ctx->vtable = vtable;
if (!vtable_vpp) {
vtable_vpp = calloc(1, sizeof(*vtable_vpp));
if (vtable_vpp)
vtable_vpp->version = VA_DRIVER_VTABLE_VPP_VERSION;
else
vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED;
}
ctx->vtable_vpp = vtable_vpp;
if (!vtable_prot) {
vtable_prot = calloc(1, sizeof(*vtable_prot));
if (vtable_prot)
vtable_prot->version = VA_DRIVER_VTABLE_PROT_VERSION;
else
vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED;
}
ctx->vtable_prot = vtable_prot;
if (init_func && 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_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, 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(dpy, "%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, ENV_VAR_SEPARATOR, &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_DECODING_ERROR:
return "internal decoding error";
case VA_STATUS_ERROR_ENCODING_ERROR:
return "internal encoding error";
case VA_STATUS_ERROR_INVALID_VALUE:
return "an invalid/unsupported value was supplied";
case VA_STATUS_ERROR_UNSUPPORTED_FILTER:
return "the requested filter is not supported";
case VA_STATUS_ERROR_INVALID_FILTER_CHAIN:
return "an invalid filter chain was supplied";
case VA_STATUS_ERROR_HW_BUSY:
return "HW busy now";
case VA_STATUS_ERROR_UNSUPPORTED_MEMORY_TYPE:
return "an unsupported memory type was supplied";
case VA_STATUS_ERROR_NOT_ENOUGH_BUFFER:
return "allocated memory size is not enough for input or output";
case VA_STATUS_ERROR_UNKNOWN:
return "unknown libva error";
}
return "unknown libva error / description missing";
}
VAStatus vaSetDriverName(
VADisplay dpy,
char *driver_name
)
{
VADriverContextP ctx;
VAStatus vaStatus = VA_STATUS_SUCCESS;
char *override_driver_name = NULL;
ctx = CTX(dpy);
if (strlen(driver_name) == 0 || strlen(driver_name) >= 256) {
vaStatus = VA_STATUS_ERROR_INVALID_PARAMETER;
va_errorMessage(dpy, "vaSetDriverName returns %s\n",
vaErrorStr(vaStatus));
return vaStatus;
}
override_driver_name = strdup(driver_name);
if (!override_driver_name) {
vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED;
va_errorMessage(dpy, "vaSetDriverName returns %s. Out of Memory\n",
vaErrorStr(vaStatus));
return vaStatus;
}
ctx->override_driver_name = override_driver_name;
return VA_STATUS_SUCCESS;
}
static VAStatus va_new_opendriver(VADisplay dpy)
{
VADisplayContextP pDisplayContext = (VADisplayContextP)dpy;
/* In the extreme case we can get up-to 5ish names. Pad that out to be on
* the safe side. In the worst case, the DRIVER BUG below will print and
* we'll be capped to the current selection.
*/
char *drivers[20] = { 0, };
unsigned int num_drivers = ARRAY_SIZE(drivers);
VAStatus vaStatus;
const char *driver_name_env;
VADriverContextP ctx;
/* XXX: The order is bonkers - env var should take highest priority, then
* override (which ought to be nuked) than native. It's not possible atm,
* since the DPY connect/init happens during the GetDriverNames.
*/
vaStatus = pDisplayContext->vaGetDriverNames(pDisplayContext, drivers, &num_drivers);
if (vaStatus != VA_STATUS_SUCCESS) {
/* Print and error yet continue, as per the above ordering note */
va_errorMessage(dpy, "vaGetDriverNames() failed with %s\n", vaErrorStr(vaStatus));
num_drivers = 0;
}
ctx = CTX(dpy);
driver_name_env = secure_getenv("LIBVA_DRIVER_NAME");
if ((ctx->override_driver_name) || (driver_name_env && (geteuid() == getuid()))) {
const char *driver = ctx->override_driver_name ?
ctx->override_driver_name : driver_name_env;
for (unsigned int i = 0; i < num_drivers; i++)
free(drivers[i]);
drivers[0] = strdup(driver);
num_drivers = 1;
va_infoMessage(dpy, "User %srequested driver '%s'\n",
ctx->override_driver_name ? "" : "environment variable ",
driver);
}
for (unsigned int i = 0; i < num_drivers; i++) {
/* The strdup() may have failed. Check here instead of a dozen+ places */
if (!drivers[i]) {
va_errorMessage(dpy, "%s:%d: Out of memory\n", __func__, __LINE__);
vaStatus = VA_STATUS_ERROR_ALLOCATION_FAILED;
break;
}
vaStatus = va_openDriver(dpy, drivers[i]);
va_infoMessage(dpy, "va_openDriver() returns %d\n", vaStatus);
if (vaStatus == VA_STATUS_SUCCESS)
break;
}
for (unsigned int i = 0; i < num_drivers; i++)
free(drivers[i]);
return vaStatus;
}
VAStatus vaInitialize(
VADisplay dpy,
int *major_version, /* out */
int *minor_version /* out */
)
{
VAStatus vaStatus;
CHECK_DISPLAY(dpy);
va_TraceInit(dpy);
va_MessagingInit();
va_infoMessage(dpy, "VA-API version %s\n", VA_VERSION_S);
vaStatus = va_new_opendriver(dpy);
*major_version = VA_MAJOR_VERSION;
*minor_version = VA_MINOR_VERSION;
VA_TRACE_LOG(va_TraceInitialize, dpy, major_version, minor_version);
VA_TRACE_RET(dpy, vaStatus);
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;
free(old_ctx->vtable_vpp);
old_ctx->vtable_vpp = NULL;
free(old_ctx->vtable_prot);
old_ctx->vtable_prot = NULL;
if (old_ctx->override_driver_name) {
free(old_ctx->override_driver_name);
old_ctx->override_driver_name = NULL;
}
VA_TRACE_LOG(va_TraceTerminate, dpy);
VA_TRACE_RET(dpy, vaStatus);
va_TraceEnd(dpy);
if (VA_STATUS_SUCCESS == vaStatus)
pDisplayContext->vaDestroy(pDisplayContext);
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;
VAStatus vaStatus = VA_STATUS_SUCCESS;
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
vaStatus = ctx->vtable->vaQueryConfigEntrypoints(ctx, profile, entrypoints, num_entrypoints);
VA_TRACE_RET(dpy, vaStatus);
return vaStatus;
}
VAStatus vaGetConfigAttributes(
VADisplay dpy,
VAProfile profile,
VAEntrypoint entrypoint,
VAConfigAttrib *attrib_list, /* in/out */
int num_attribs
)
{
VADriverContextP ctx;
VAStatus vaStatus = VA_STATUS_SUCCESS;
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
vaStatus = ctx->vtable->vaGetConfigAttributes(ctx, profile, entrypoint, attrib_list, num_attribs);
VA_TRACE_RET(dpy, vaStatus);
return vaStatus;
}
VAStatus vaQueryConfigProfiles(
VADisplay dpy,
VAProfile *profile_list, /* out */
int *num_profiles /* out */
)
{
VADriverContextP ctx;
VAStatus vaStatus = VA_STATUS_SUCCESS;
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
vaStatus = ctx->vtable->vaQueryConfigProfiles(ctx, profile_list, num_profiles);
VA_TRACE_RET(dpy, vaStatus);
return vaStatus;
}
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;
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
VA_TRACE_VVVA(dpy, CREATE_CONFIG, TRACE_BEGIN, profile, entrypoint, num_attribs, attrib_list);
vaStatus = ctx->vtable->vaCreateConfig(ctx, profile, entrypoint, attrib_list, num_attribs, config_id);
/* record the current entrypoint for further trace/fool determination */
VA_TRACE_ALL(va_TraceCreateConfig, dpy, profile, entrypoint, attrib_list, num_attribs, config_id);
VA_TRACE_RET(dpy, vaStatus);
VA_TRACE_PV(dpy, CREATE_CONFIG, TRACE_END, config_id, vaStatus);
return vaStatus;
}
VAStatus vaDestroyConfig(
VADisplay dpy,
VAConfigID config_id
)
{
VADriverContextP ctx;
VAStatus vaStatus = VA_STATUS_SUCCESS;
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
VA_TRACE_V(dpy, DESTROY_CONFIG, TRACE_BEGIN, config_id);
vaStatus = ctx->vtable->vaDestroyConfig(ctx, config_id);
VA_TRACE_ALL(va_TraceDestroyConfig, dpy, config_id);
VA_TRACE_RET(dpy, vaStatus);
VA_TRACE_V(dpy, DESTROY_CONFIG, TRACE_END, vaStatus);
return vaStatus;
}
VAStatus vaQueryConfigAttributes(
VADisplay dpy,
VAConfigID config_id,
VAProfile *profile, /* out */
VAEntrypoint *entrypoint, /* out */
VAConfigAttrib *attrib_list,/* out */
int *num_attribs /* out */
)
{
VADriverContextP ctx;
VAStatus vaStatus = VA_STATUS_SUCCESS;
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
vaStatus = ctx->vtable->vaQueryConfigAttributes(ctx, config_id, profile, entrypoint, attrib_list, num_attribs);
VA_TRACE_RET(dpy, vaStatus);
return vaStatus;
}
VAStatus vaQueryProcessingRate(
VADisplay dpy,
VAConfigID config_id,
VAProcessingRateParameter *proc_buf,
unsigned int *processing_rate /* out */
)
{
VADriverContextP ctx;
VAStatus vaStatus = VA_STATUS_SUCCESS;
CHECK_DISPLAY(dpy);
ctx = CTX(dpy);
if (!ctx->vtable->vaQueryProcessingRate)
vaStatus = VA_STATUS_ERROR_UNIMPLEMENTED;
else
vaStatus = ctx->vtable->vaQueryProcessingRate(ctx, config_id, proc_buf, processing_rate);
VA_TRACE_RET(dpy, vaStatus);
return vaStatus;
}
/* XXX: this is a slow implementation that will be removed */
static VAStatus
va_impl_query_surface_attributes(
VADriverContextP ctx,
VAConfigID config,
VASurfaceAttrib *out_attribs,
unsigned int *out_num_attribs_ptr
)
{
VASurfaceAttrib *attribs = NULL;
unsigned int num_attribs, n;
VASurfaceAttrib *out_attrib;
unsigned int out_num_attribs;
VAImageFormat *image_formats = NULL;
int num_image_formats, i;
VAStatus va_status;