/// <summary>
/// Creates a Huffman table in a format that is suitable for the encoder.
/// </summary>
/// <param name="pRawHuffmanTable">Huffman table formated as specified in the JPEG standard.</param>
/// <param name="eTableType">Enum specifying type of table (nppiDCTable or nppiACTable).</param>
/// <param name="pHuffmanSpec">Pointer to the Huffman table for the decoder</param>
/// <returns>Huffman table for the encoder</returns>
public static void EncodeHuffmanSpecInit(byte[] pRawHuffmanTable, NppiHuffmanTableType eTableType, NppiEncodeHuffmanSpec pHuffmanSpec)
{
NppStatus status;
status = NPPNativeMethods.NPPi.CompressionDCT.nppiEncodeHuffmanSpecInit_JPEG(pRawHuffmanTable, eTableType, pHuffmanSpec);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiEncodeHuffmanSpecInit_JPEG", status));
NPPException.CheckNppStatus(status, null);
}
/// <summary>
/// Allocates memory and creates a Huffman table in a format that is suitable for the encoder.
/// </summary>
/// <param name="pRawHuffmanTable">Huffman table formated as specified in the JPEG standard.</param>
/// <param name="eTableType">Enum specifying type of table (nppiDCTable or nppiACTable).</param>
/// <returns>Huffman table for the encoder.</returns>
public static NppiEncodeHuffmanSpec EncodeHuffmanSpecInitAlloc(byte[] pRawHuffmanTable, NppiHuffmanTableType eTableType)
{
NppiEncodeHuffmanSpec spec = new NppiEncodeHuffmanSpec();
NppStatus status;
status = NPPNativeMethods.NPPi.CompressionDCT.nppiEncodeHuffmanSpecInitAlloc_JPEG(pRawHuffmanTable, eTableType, ref spec);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiEncodeHuffmanSpecInitAlloc_JPEG", status));
NPPException.CheckNppStatus(status, null);
return(spec);
}
public static extern NppStatus nppiEncodeHuffmanSpecInitAlloc_JPEG(
IntPtr pRawHuffmanTable,
NppiHuffmanTableType eTableType,
IntPtr ppHuffmanSpec);
public static extern NppStatus nppiDecodeHuffmanSpecInitHost_JPEG(
IntPtr pRawHuffmanTable,
NppiHuffmanTableType eTableType,
IntPtr pHuffmanSpec);
/// <summary>
/// Creates a Huffman table in a format that is suitable for the encoder.
/// </summary>
/// <param name="pRawHuffmanTable">Huffman table formated as specified in the JPEG standard.</param>
/// <param name="eTableType">Enum specifying type of table (nppiDCTable or nppiACTable).</param>
/// <param name="pHuffmanSpec">Pointer to the Huffman table for the decoder</param>
/// <returns>Huffman table for the encoder</returns>
public static void EncodeHuffmanSpecInit_JPEG(byte[] pRawHuffmanTable, NppiHuffmanTableType eTableType, NppiEncodeHuffmanSpec pHuffmanSpec)
{
NppStatus status;
status = NPPNativeMethods.NPPi.CompressionDCT.nppiEncodeHuffmanSpecInit_JPEG(pRawHuffmanTable, eTableType, pHuffmanSpec);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiEncodeHuffmanSpecInit_JPEG", status));
NPPException.CheckNppStatus(status, null);
}
/// <summary>
/// Allocates memory and creates a Huffman table in a format that is suitable for the encoder.
/// </summary>
/// <param name="pRawHuffmanTable">Huffman table formated as specified in the JPEG standard.</param>
/// <param name="eTableType">Enum specifying type of table (nppiDCTable or nppiACTable).</param>
/// <returns>Huffman table for the encoder.</returns>
public static NppiEncodeHuffmanSpec EncodeHuffmanSpecInitAllocHost_JPEG(byte[] pRawHuffmanTable, NppiHuffmanTableType eTableType)
{
NppiEncodeHuffmanSpec spec = new NppiEncodeHuffmanSpec();
NppStatus status;
status = NPPNativeMethods.NPPi.CompressionDCT.nppiEncodeHuffmanSpecInitAlloc_JPEG(pRawHuffmanTable, eTableType, ref spec);
Debug.WriteLine(String.Format("{0:G}, {1}: {2}", DateTime.Now, "nppiEncodeHuffmanSpecInitAlloc_JPEG", status));
NPPException.CheckNppStatus(status, null);
return spec;
}
