/// <summary>
/// Enumerates DMOs listed in the registry. The caller can search by category, media type, or both.
/// </summary>
/// <param name="category">
/// GUID that specifies which category of DMO to search. Use Guid.Empty to search every category.
/// See <see cref="DmoEnumeratorCategories" /> for a list of category guids.
/// </param>
/// <param name="flags">Flags that specify search criteria.</param>
/// <param name="inputTypes">Array of input-Mediatypes.</param>
/// <param name="outputTypes">Array of output-Mediatypes.</param>
/// <returns>EnumDMO</returns>
public static EnumDmo EnumerateDMOs(Guid category, DmoEnumFlags flags, DmoPartialMediaType[] inputTypes,
DmoPartialMediaType[] outputTypes)
{
IntPtr ptr;
int numberOfInputTypes = 0;
int numberOfOutputTypes = 0;
if (inputTypes != null)
{
numberOfInputTypes = inputTypes.Length;
}
if (outputTypes != null)
{
numberOfOutputTypes = outputTypes.Length;
}
int result = NativeMethods.DMOEnum(
ref category,
flags,
numberOfInputTypes,
inputTypes,
numberOfOutputTypes,
outputTypes,
out ptr);
DmoException.Try(result, "Interops", "DMOEnum");
return(new EnumDmo(ptr));
}
public static extern int DMOEnum(
[In] ref Guid guidCategory,
DmoEnumFlags flags,
int inTypes,
[In] DmoPartialMediaType[] inTypesArray,
int outTypes,
[In] DmoPartialMediaType[] outTypesArray,
out IEnumDmo enumDmo);
/// <summary>
/// Enumerates DMOs listed in the registry. The caller can search by category, media type, or both.
/// </summary>
/// <param name="category">GUID that specifies which category of DMO to search. Use Guid.Empty to search every category. See <see cref="DmoEnumeratorCategories"/> for a list of category guids.</param>
/// <param name="flags">Flags that specify search criteria.</param>
/// <param name="inputTypes">Array of input-Mediatypes.</param>
/// <param name="outputTypes">Array of output-Mediatypes.</param>
/// <returns>EnumDMO</returns>
public static EnumDMO EnumerateDMOs(Guid category, DmoEnumFlags flags, DmoPartialMediaType[] inputTypes, DmoPartialMediaType[] outputTypes)
{
IntPtr ptr;
int result = DmoInterop.DMOEnum(ref category, flags, inputTypes != null ? inputTypes.Length : 0, inputTypes, outputTypes != null ? inputTypes.Length : 0, outputTypes, out ptr);
DmoException.Try(result, "Interops", "DMOEnum");
return new EnumDMO(ptr);
}
public static extern int DMOEnum( [In] ref Guid guidCategory, DmoEnumFlags flags, int inTypes, [In] DmoPartialMediaType[] inTypesArray, int outTypes, [In] DmoPartialMediaType[] outTypesArray, out IEnumDmo enumDmo);
public static extern int DMOEnum(
ref Guid guidCategory,
DmoEnumFlags flags,
int numberOfInputTypes,
[In] DmoPartialMediaType[] inputTypes,
int numberOfOutputTypes,
[In] DmoPartialMediaType[] outputTypes,
out IntPtr dmoEnum
);
/// <summary>
/// Enumerates DMOs listed in the registry. The caller can search by category, media type, or both.
/// </summary>
/// <param name="category">GUID that specifies which category of DMO to search. Use Guid.Empty to search every category. See <see cref="DmoEnumeratorCategories"/> for a list of category guids.</param>
/// <param name="flags">Flags that specify search criteria.</param>
/// <param name="inputTypes">Array of input-Mediatypes.</param>
/// <param name="outputTypes">Array of output-Mediatypes.</param>
/// <returns>EnumDMO</returns>
public static EnumDMO EnumerateDMOs(Guid category, DmoEnumFlags flags, DmoPartialMediaType[] inputTypes, DmoPartialMediaType[] outputTypes)
{
IntPtr ptr;
int result = DmoInterop.DMOEnum(ref category, flags, inputTypes != null ? inputTypes.Length : 0, inputTypes, outputTypes != null ? inputTypes.Length : 0, outputTypes, out ptr);
DmoException.Try(result, "Interops", "DMOEnum");
return(new EnumDMO(ptr));
}
internal static extern int DMOEnum
(
ref Guid guidCategory,
DmoEnumFlags flags,
int numberOfInputTypes,
[In] DmoPartialMediaType[] inputTypes,
int numberOfOutputTypes,
[In] DmoPartialMediaType[] outputTypes,
out IntPtr dmoEnum
);
/// <summary>
/// Enumerates DMOs listed in the registry.
/// </summary>
/// <param name="category">
/// GUID that specifies which category of DMO to search. Use Guid.Empty to search every category.
/// See <see cref="DmoEnumeratorCategories" /> for a list of category guids.
/// </param>
/// <param name="flags">Flags that specify search criteria.</param>
/// <returns>An <see cref="IEnumerable{T}"/> that can be used to iterate through the enumerated DMOs.</returns>
public static IEnumerable<DmoEnumItem> EnumerateDMOs(Guid category, DmoEnumFlags flags)
{
using (EnumDmo enumerator = EnumerateDMOs(category, flags, null, null))
{
DmoEnumItem[] item;
while ((item = enumerator.Next(1)).Length > 0)
{
yield return item[0];
}
}
}
/// <summary>
/// Enumerates DMOs listed in the registry.
/// </summary>
/// <param name="category">
/// GUID that specifies which category of DMO to search. Use Guid.Empty to search every category.
/// See <see cref="DmoEnumeratorCategories" /> for a list of category guids.
/// </param>
/// <param name="flags">Flags that specify search criteria.</param>
/// <returns>An <see cref="IEnumerable{T}"/> that can be used to iterate through the enumerated DMOs.</returns>
public static IEnumerable <DmoEnumItem> EnumerateDMOs(Guid category, DmoEnumFlags flags)
{
using (EnumDmo enumerator = EnumerateDMOs(category, flags, null, null))
{
DmoEnumItem[] item;
while ((item = enumerator.Next(1)).Length > 0)
{
yield return(item[0]);
}
}
}
/// <summary>
/// Enumerates DMOs listed in the registry. The caller can search by category, media type, or both.
/// </summary>
/// <param name="category">
/// GUID that specifies which category of DMO to search. Use Guid.Empty to search every category.
/// See <see cref="DmoEnumeratorCategories" /> for a list of category guids.
/// </param>
/// <param name="flags">Flags that specify search criteria.</param>
/// <param name="inputTypes">Array of input-Mediatypes.</param>
/// <param name="outputTypes">Array of output-Mediatypes.</param>
/// <returns>EnumDMO</returns>
public static EnumDmo EnumerateDMOs(Guid category, DmoEnumFlags flags, DmoPartialMediaType[] inputTypes,
DmoPartialMediaType[] outputTypes)
{
IntPtr ptr;
int numberOfInputTypes = 0;
int numberOfOutputTypes = 0;
if (inputTypes != null)
numberOfInputTypes = inputTypes.Length;
if (outputTypes != null)
numberOfOutputTypes = outputTypes.Length;
int result = NativeMethods.DMOEnum(
ref category,
flags,
numberOfInputTypes,
inputTypes,
numberOfOutputTypes,
outputTypes,
out ptr);
DmoException.Try(result, "Interops", "DMOEnum");
return new EnumDmo(ptr);
}
