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display: initialize default attribute values.

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Ensure the display attribute is actually supported by trying to retrieve
its current value during GstVaapiDisplay creation.
This commit is contained in:
Gwenole Beauchesne 2012-08-28 14:05:16 +02:00
parent 112e2b1fe7
commit 4dad571526
1 changed files with 12 additions and 1 deletions
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11
gst-libs/gst/vaapi/gstvaapidisplay.c
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@ -50,6 +50,7 @@ typedef struct _GstVaapiProperty GstVaapiProperty;
struct _GstVaapiProperty {
const gchar *name;
VADisplayAttribute attribute;
gint old_value;
};
#define DEFAULT_RENDER_MODE GST_VAAPI_RENDER_MODE_TEXTURE
@ -72,6 +73,12 @@ static GstVaapiDisplayCache *g_display_cache = NULL;
static GParamSpec *g_properties[N_PROPERTIES] = { NULL, };
static gboolean
get_attribute(GstVaapiDisplay *display, VADisplayAttribType type, gint *value);
static gboolean
set_attribute(GstVaapiDisplay *display, VADisplayAttribType type, gint value);
static inline GstVaapiDisplayCache *
get_display_cache(void)
{
@ -607,7 +614,11 @@ gst_vaapi_display_create(GstVaapiDisplay *display)
}
if (!prop.name)
continue;
/* Assume the attribute is really supported if we can get the
* actual and current value */
prop.attribute = *attr;
if (get_attribute(display, attr->type, &prop.old_value))
g_array_append_val(priv->properties, prop);
}