public static void __var_Get(IntPtr p_object, string name, ref vlc_value_t value)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
IntPtr namePtr = Marshal.StringToHGlobalAnsi(name);
try {
__var_Get(p_object, namePtr, ref value);
} finally {
Marshal.FreeHGlobal(namePtr);
}
}
public static extern void __var_Get(IntPtr p_object, IntPtr psz_name, ref vlc_value_t value);
public static void __var_Set(IntPtr p_object, string name, vlc_value_t value) {
if (name == null) {
throw new ArgumentNullException("name");
}
IntPtr namePtr = Marshal.StringToHGlobalAnsi(name);
try {
__var_Set(p_object, namePtr, value);
} finally {
Marshal.FreeHGlobal(namePtr);
}
}
public static extern void __var_Set(IntPtr p_object, IntPtr psz_name, vlc_value_t value);
private void setAdjustValue(string valueName, vlc_value_t value) {
libvlc_instance_t instance = internalObjectsFactory.GetInteropStructure();
processChangeVlcObjectsVariable(instance.p_libvlc_int, ADJUST_FILTER_ALIAS, valueName, value);
}
/// <summary>
/// Processes the vlc core objects tree recoursively and sets <paramref name="valueName"/> variable
/// to <paramref name="value"/>. Objects with name equal to <paramref name="objectNameToSearch"/> will be processed.
/// </summary>
/// <param name="pObject">Parent in VLC tree (for example, libvlc_instance_t -> p_libvlc_int)</param>
/// <param name="objectNameToSearch">Object name to search.</param>
/// <param name="valueName">Name of variable to set.</param>
/// <param name="value">New value of <paramref name="valueName"/> variable.</param>
private static void processChangeVlcObjectsVariable(IntPtr pObject, string objectNameToSearch, string valueName,
vlc_value_t value) {
vlc_common_members common_members =
(vlc_common_members) Marshal.PtrToStructure(pObject, typeof(vlc_common_members));
if (common_members.ObjectName == objectNameToSearch) {
LibVlcInterop.__var_Set(
pObject,
valueName,
value);
}
libvlc_list_t childs = LibVlcInterop.__vlc_list_children(pObject);
foreach (libvlc_value_t val in childs.values) {
processChangeVlcObjectsVariable(val.p_object, objectNameToSearch, valueName, value);
LibVlcInterop.__vlc_object_release(val.p_object);
}
}
/// <summary>
/// Apply adjust filter settings to current playing videos.
/// </summary>
private void applyAdjustFilterSettings() {
if (!IsFilterAvailable) {
return;
}
//
vlc_value_t vlc_value = new vlc_value_t();
vlc_value.f_float = Brightness;
setAdjustValue("brightness", vlc_value);
vlc_value.f_float = Contrast;
setAdjustValue("contrast", vlc_value);
vlc_value.f_float = Gamma;
setAdjustValue("gamma", vlc_value);
vlc_value.f_float = Saturation;
setAdjustValue("saturation", vlc_value);
vlc_value.i_int = Hue;
setAdjustValue("hue", vlc_value);
}
