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va: display: parse and set driver implementation

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This enum can be used for quirk handling. It's not a property because
the driver enum list might change, it's not static, thus avoiding the
update of GType declaration.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1938>
This commit is contained in:
Víctor Manuel Jáquez Leal 2021-01-04 21:02:35 +01:00 committed by GStreamer Merge Bot
parent 543d54d492
commit df6c4843a7
2 changed files with 65 additions and 11 deletions
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57
sys/va/gstvadisplay.c
View file

@ -37,6 +37,7 @@ struct _GstVaDisplayPrivate
gboolean foreign;
gboolean init;
GstVaImplementation impl;
};
#define gst_va_display_parent_class parent_class
@ -54,14 +55,39 @@ static GParamSpec *g_properties[N_PROPERTIES];
#define GET_PRIV(obj) gst_va_display_get_instance_private (GST_VA_DISPLAY (obj))
static gboolean
_gst_va_display_driver_filter (VADisplay display)
static GstVaImplementation
_get_implementation (const char *vendor)
{
const char *vendor = vaQueryVendorString (display);
if (g_str_has_prefix (vendor, "Mesa Gallium driver"))
return GST_VA_IMPLEMENTATION_MESA_GALLIUM;
else if (g_str_has_prefix (vendor, "Intel i965 driver"))
return GST_VA_IMPLEMENTATION_INTEL_I965;
else if (g_str_has_prefix (vendor, "Intel iHD driver"))
return GST_VA_IMPLEMENTATION_INTEL_IHD;
return GST_VA_IMPLEMENTATION_OTHER;
}
static gboolean
_gst_va_display_filter_driver (GstVaDisplay * self, gpointer foreign_display)
{
GstVaDisplayPrivate *priv = GET_PRIV (self);
VADisplay dpy;
const char *vendor;
g_assert ((foreign_display != NULL) ^ (priv->display != NULL));
dpy = foreign_display ? foreign_display : priv->display;
vendor = vaQueryVendorString (dpy);
GST_INFO ("VA-API driver vendor: %s", vendor);
/* XXX(victor): driver quirks & driver whitelist */
/* XXX(victor): driver allow list */
if (foreign_display) {
priv->display = foreign_display;
priv->foreign = TRUE;
}
priv->impl = _get_implementation (vendor);
return TRUE;
}
@ -80,14 +106,10 @@ gst_va_display_set_display (GstVaDisplay * self, gpointer display)
return;
}
if (!_gst_va_display_driver_filter (display))
return;
priv->display = display;
priv->foreign = TRUE;
/* assume driver is already initialized */
priv->init = TRUE;
_gst_va_display_filter_driver (self, display);
}
static void
@ -183,6 +205,7 @@ gst_va_display_init (GstVaDisplay * self)
GstVaDisplayPrivate *priv = GET_PRIV (self);
g_rec_mutex_init (&priv->lock);
priv->impl = GST_VA_IMPLEMENTATION_INVALID;
}
void
@ -292,7 +315,7 @@ gst_va_display_initialize (GstVaDisplay * self)
priv->init = TRUE;
if (!_gst_va_display_driver_filter (priv->display))
if (!_gst_va_display_filter_driver (self, NULL))
return FALSE;
return TRUE;
@ -416,3 +439,15 @@ bail:
g_free (va_formats);
return ret;
}
GstVaImplementation
gst_va_display_get_implemenation (GstVaDisplay * self)
{
GstVaDisplayPrivate *priv;
g_return_val_if_fail (GST_IS_VA_DISPLAY (self),
GST_VA_IMPLEMENTATION_INVALID);
priv = GET_PRIV (self);
return priv->impl;
}

19
sys/va/gstvadisplay.h
View file

@ -25,6 +25,18 @@
G_BEGIN_DECLS
typedef enum
{
GST_VA_IMPLEMENTATION_MESA_GALLIUM,
GST_VA_IMPLEMENTATION_INTEL_I965,
GST_VA_IMPLEMENTATION_INTEL_IHD,
GST_VA_IMPLEMENTATION_OTHER,
GST_VA_IMPLEMENTATION_INVALID,
} GstVaImplementation;
#define GST_VA_DISPLAY_IS_IMPLEMENTATION(display, impl) \
(gst_va_display_is_implementation (display, G_PASTE (GST_VA_IMPLEMENTATION_, impl)))
#define GST_TYPE_VA_DISPLAY (gst_va_display_get_type())
G_DECLARE_DERIVABLE_TYPE (GstVaDisplay, gst_va_display, GST, VA_DISPLAY, GstObject)
@ -45,5 +57,12 @@ GArray * gst_va_display_get_profiles (GstVaDisplay * self,
guint32 codec,
VAEntrypoint entrypoint);
GArray * gst_va_display_get_image_formats (GstVaDisplay * self);
GstVaImplementation gst_va_display_get_implemenation (GstVaDisplay * self);
static inline gboolean
gst_va_display_is_implementation (GstVaDisplay * self, GstVaImplementation impl)
{
return (gst_va_display_get_implemenation (self) == impl);
}
G_END_DECLS