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vadisplay: add gst_va_display_check_version()

Browse source 
This function compares the driver version with the user provided one to check if
driver's is equal or bigger.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5800>
This commit is contained in:
Víctor Manuel Jáquez Leal 2023-12-11 20:34:30 +01:00 committed by GStreamer Marge Bot
parent 97e748466e
commit 8574bb8914
3 changed files with 99 additions and 0 deletions
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21
girs/GstVa-1.0.gir
View file

@ -457,6 +457,27 @@ VADisplay.</doc>
</instance-parameter>
</parameters>
</virtual-method>
<method name="check_version" c:identifier="gst_va_display_check_version" version="1.24">
<source-position filename="../subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.h"/>
<return-value transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.c">whether driver version is equal or greater than @major.@minor</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="self" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.c">a #GstVaDisplay</doc>
<type name="VaDisplay" c:type="GstVaDisplay*"/>
</instance-parameter>
<parameter name="major" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.c">major version to check</doc>
<type name="guint" c:type="guint"/>
</parameter>
<parameter name="minor" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.c">minor version to check</doc>
<type name="guint" c:type="guint"/>
</parameter>
</parameters>
</method>
<method name="get_implementation" c:identifier="gst_va_display_get_implementation" version="1.20">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.c">Get the the #GstVaImplementation type of @self.</doc>
<source-position filename="../subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.h"/>

74
subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.c
View file

@ -43,6 +43,7 @@
#include "gstvadisplay.h"
#include <stdio.h> /* sscanf */
#include <va/va.h>
GST_DEBUG_CATEGORY (gst_va_display_debug);
@ -57,6 +58,9 @@ struct _GstVaDisplayPrivate
gboolean init;
GstVaImplementation impl;
gchar *vendor_desc;
guint driver_major;
guint driver_minor;
};
#define gst_va_display_parent_class parent_class
@ -122,6 +126,40 @@ _get_desc (const char *vendor, GstVaImplementation impl)
return g_strdup (desc);
}
static gboolean
_get_driver_version (const char *vendor, GstVaImplementation impl,
guint * major, guint * minor)
{
guint maj, min;
if (!vendor)
return FALSE;
switch (impl) {
case GST_VA_IMPLEMENTATION_MESA_GALLIUM:
if (sscanf (vendor, "Mesa Gallium driver %d.%d.", &maj, &min) == 2) {
*major = maj;
*minor = min;
return TRUE;
}
break;
case GST_VA_IMPLEMENTATION_INTEL_IHD:
case GST_VA_IMPLEMENTATION_INTEL_I965:{
char *end = strstr (vendor, " - ");
if (end && sscanf (end, " - %d.%d.", &maj, &min) == 2) {
*major = maj;
*minor = min;
return TRUE;
}
break;
}
default:
break;
}
return FALSE;
}
static gboolean
_gst_va_display_filter_driver (GstVaDisplay * self, gpointer foreign_display)
{
@ -129,6 +167,7 @@ _gst_va_display_filter_driver (GstVaDisplay * self, gpointer foreign_display)
VADisplay dpy;
const char *vendor;
GstVaImplementation impl;
guint major, minor;
g_assert ((foreign_display != NULL) ^ (priv->display != NULL));
dpy = foreign_display ? foreign_display : priv->display;
@ -150,6 +189,10 @@ _gst_va_display_filter_driver (GstVaDisplay * self, gpointer foreign_display)
}
priv->impl = impl;
priv->vendor_desc = _get_desc (vendor, priv->impl);
if (_get_driver_version (vendor, priv->impl, &major, &minor)) {
priv->driver_major = major;
priv->driver_minor = minor;
}
return TRUE;
}
@ -411,3 +454,34 @@ gst_va_display_get_implementation (GstVaDisplay * self)
priv = GET_PRIV (self);
return priv->impl;
}
/**
* gst_va_display_check_version:
* @self: a #GstVaDisplay
* @major: major version to check
* @minor: minor version to check
*
* Returns: whether driver version is equal or greater than @major.@minor
*
* Since: 1.24
*/
gboolean
gst_va_display_check_version (GstVaDisplay * self, guint major, guint minor)
{
GstVaDisplayPrivate *priv;
g_return_val_if_fail (GST_IS_VA_DISPLAY (self), FALSE);
priv = GET_PRIV (self);
/* if cannot parse the version, all it's valid */
if (priv->driver_major == 0 && priv->driver_minor == 0)
return TRUE;
if (priv->driver_major < major)
return FALSE;
if (priv->driver_minor < minor)
return FALSE;
return TRUE;
}

4
subprojects/gst-plugins-bad/gst-libs/gst/va/gstvadisplay.h
View file

@ -127,6 +127,10 @@ GST_VA_API
gpointer gst_va_display_get_va_dpy (GstVaDisplay * self);
GST_VA_API
GstVaImplementation gst_va_display_get_implementation (GstVaDisplay * self);
GST_VA_API
gboolean gst_va_display_check_version (GstVaDisplay * self,
guint major,
guint minor);
/**
* gst_va_display_is_implementation: