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libs: display: delay getting screen resolution

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Instead of extracting the screen resolution at GstVaapiDisplay
creation, this patch delay it until the screen size is requested for
first time.

https://bugzilla.gnome.org/show_bug.cgi?id=782212
This commit is contained in:
Víctor Manuel Jáquez Leal 2017-09-29 15:07:47 +02:00
parent 66e4593c33
commit 63a76c9dd0
2 changed files with 28 additions and 5 deletions
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32
gst-libs/gst/vaapi/gstvaapidisplay.c
View file

@ -782,6 +782,25 @@ gst_vaapi_display_calculate_pixel_aspect_ratio (GstVaapiDisplay * display)
priv->par_d = par[index][windex ^ 1];
}
static void
gst_vaapi_display_ensure_screen_resolution (GstVaapiDisplay * display)
{
GstVaapiDisplayPrivate *const priv = GST_VAAPI_DISPLAY_GET_PRIVATE (display);
const GstVaapiDisplayClass *const klass =
GST_VAAPI_DISPLAY_GET_CLASS (display);
if (priv->got_scrres)
return;
if (klass->get_size)
klass->get_size (display, &priv->width, &priv->height);
if (klass->get_size_mm)
klass->get_size_mm (display, &priv->width_mm, &priv->height_mm);
gst_vaapi_display_calculate_pixel_aspect_ratio (display);
priv->got_scrres = TRUE;
}
static void
gst_vaapi_display_destroy (GstVaapiDisplay * display)
{
@ -869,11 +888,6 @@ gst_vaapi_display_create_unlocked (GstVaapiDisplay * display,
return FALSE;
priv->display = info.va_display;
priv->native_display = info.native_display;
if (klass->get_size)
klass->get_size (display, &priv->width, &priv->height);
if (klass->get_size_mm)
klass->get_size_mm (display, &priv->width_mm, &priv->height_mm);
gst_vaapi_display_calculate_pixel_aspect_ratio (display);
break;
}
if (!priv->display)
@ -1379,6 +1393,8 @@ gst_vaapi_display_get_width (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, 0);
gst_vaapi_display_ensure_screen_resolution (display);
return GST_VAAPI_DISPLAY_GET_PRIVATE (display)->width;
}
@ -1395,6 +1411,8 @@ gst_vaapi_display_get_height (GstVaapiDisplay * display)
{
g_return_val_if_fail (display != NULL, 0);
gst_vaapi_display_ensure_screen_resolution (display);
return GST_VAAPI_DISPLAY_GET_PRIVATE (display)->height;
}
@ -1412,6 +1430,8 @@ gst_vaapi_display_get_size (GstVaapiDisplay * display, guint * pwidth,
{
g_return_if_fail (GST_VAAPI_DISPLAY (display));
gst_vaapi_display_ensure_screen_resolution (display);
if (pwidth)
*pwidth = GST_VAAPI_DISPLAY_GET_PRIVATE (display)->width;
@ -1433,6 +1453,8 @@ gst_vaapi_display_get_pixel_aspect_ratio (GstVaapiDisplay * display,
{
g_return_if_fail (display != NULL);
gst_vaapi_display_ensure_screen_resolution (display);
if (par_n)
*par_n = GST_VAAPI_DISPLAY_GET_PRIVATE (display)->par_n;

1
gst-libs/gst/vaapi/gstvaapidisplay_priv.h
View file

@ -128,6 +128,7 @@ struct _GstVaapiDisplayPrivate
guint use_foreign_display:1;
guint has_vpp:1;
guint has_profiles:1;
guint got_scrres:1;
};
/**