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libs: display: initialize value if they are not yet
This is a difference between the GObject API and the GstVaapi one: the GValue passed to get a property value, in GObject has to be initialized with g_value_init(), but in GstVaapi is has not. In order to overcome this mismatch, this patch call g_value_init() internally only in the passed one is not already initialized. https://bugzilla.gnome.org/show_bug.cgi?id=788058
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1 changed files with 6 additions and 3 deletions
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@ -1002,14 +1002,16 @@ _get_property (GstVaapiDisplay * display, const GstVaapiProperty * prop,
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GstVaapiRenderMode mode;
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if (!gst_vaapi_display_get_render_mode (display, &mode))
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return FALSE;
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g_value_init (value, GST_VAAPI_TYPE_RENDER_MODE);
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if (!G_IS_VALUE (value))
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g_value_init (value, GST_VAAPI_TYPE_RENDER_MODE);
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g_value_set_enum (value, mode);
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break;
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}
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case VADisplayAttribRotation:{
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GstVaapiRotation rotation;
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rotation = gst_vaapi_display_get_rotation (display);
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g_value_init (value, GST_VAAPI_TYPE_ROTATION);
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if (!G_IS_VALUE (value))
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g_value_init (value, GST_VAAPI_TYPE_ROTATION);
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g_value_set_enum (value, rotation);
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break;
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}
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@ -1020,7 +1022,8 @@ _get_property (GstVaapiDisplay * display, const GstVaapiProperty * prop,
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gfloat val;
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if (!get_color_balance (display, find_property_id (prop->name), &val))
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return FALSE;
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g_value_init (value, G_TYPE_FLOAT);
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if (!G_IS_VALUE (value))
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g_value_init (value, G_TYPE_FLOAT);
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g_value_set_float (value, val);
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break;
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}
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