protected static void dequantization_Component(short[,] compontent, TS_RFX_CODEC_QUANT tsRfxCodecQuant, bool useReduceExtrapolate)
{
// Quantization factor: HL1, LH1, HH1, HL2, LH2, HH2, HL3, LH3, HH3, LL3
Hashtable scaleValueTable = new Hashtable();
int HL1_Factor = tsRfxCodecQuant.HL1_HH1 & 0x0f;
int LH1_Factor = (tsRfxCodecQuant.HH2_LH1 & 0xf0) >> 4;
int HH1_Factor = (tsRfxCodecQuant.HL1_HH1 & 0xf0) >> 4;
int HL2_Factor = (tsRfxCodecQuant.LH2_HL2 & 0xf0) >> 4;
int LH2_Factor = tsRfxCodecQuant.LH2_HL2 & 0x0f;
int HH2_Factor = tsRfxCodecQuant.HH2_LH1 & 0x0f;
int HL3_Factor = tsRfxCodecQuant.HL3_HH3 & 0x0f;
int LH3_Factor = (tsRfxCodecQuant.LL3_LH3 & 0xf0) >> 4;
int HH3_Factor = (tsRfxCodecQuant.HL3_HH3 & 0xf0) >> 4;
int LL3_Factor = tsRfxCodecQuant.LL3_LH3 & 0x0f;
int[] HL_Factor = { HL1_Factor, HL2_Factor, HL3_Factor };
int[] LH_Factor = { LH1_Factor, LH2_Factor, LH3_Factor };
int[] HH_Factor = { HH1_Factor, HH2_Factor, HH3_Factor };
BandType_Values[] bandArr = new BandType_Values[] { BandType_Values.HL1, BandType_Values.LH1, BandType_Values.HH1, BandType_Values.HL2, BandType_Values.LH2, BandType_Values.HH2, BandType_Values.HL3, BandType_Values.LH3, BandType_Values.HH3, BandType_Values.LL3 };
int[] bandFactor = new int[] { HL1_Factor, LH1_Factor, HH1_Factor, HL2_Factor, LH2_Factor, HH2_Factor, HL3_Factor, LH3_Factor, HH3_Factor, LL3_Factor };
for (int i = 0; i < bandArr.Length; i++)
{
BandRect br = RdpegfxTileUtils.GetBandRect(bandArr[i], useReduceExtrapolate);
doDequantization_Subband(compontent, br.left, br.top, br.right, br.bottom, bandFactor[i]);
}
}
/// <summary>
/// Get the Rect area of a band
/// </summary>
/// <param name="band">the band type</param>
/// <param name="useReduceExtrapolate">indicates if Reduce-Extrapolate method used</param>
/// <returns>The band rect area</returns>
public static BandRect GetBandRect(BandType_Values band, bool useReduceExtrapolate)
{
BandRect br = new BandRect();
int bandIdx = (int)band;
if (useReduceExtrapolate)
{
br.left = BandRectMap_ReduceExtrapolate[bandIdx, 0];
br.top = BandRectMap_ReduceExtrapolate[bandIdx, 1];
br.right = BandRectMap_ReduceExtrapolate[bandIdx, 2];
br.bottom = BandRectMap_ReduceExtrapolate[bandIdx, 3];
}
else
{
br.left = BandRectMap[bandIdx, 0];
br.top = BandRectMap[bandIdx, 1];
br.right = BandRectMap[bandIdx, 2];
br.bottom = BandRectMap[bandIdx, 3];
}
return(br);
}
/// <summary>
/// Get the Rect area of a band
/// </summary>
/// <param name="band">the band type</param>
/// <param name="useReduceExtrapolate">indicates if Reduce-Extrapolate method used</param>
/// <returns>The band rect area</returns>
public static BandRect GetBandRect(BandType_Values band, bool useReduceExtrapolate)
{
BandRect br = new BandRect();
int bandIdx = (int)band;
if (useReduceExtrapolate)
{
br.left = BandRectMap_ReduceExtrapolate[bandIdx, 0];
br.top = BandRectMap_ReduceExtrapolate[bandIdx, 1];
br.right = BandRectMap_ReduceExtrapolate[bandIdx, 2];
br.bottom = BandRectMap_ReduceExtrapolate[bandIdx, 3];
}
else
{
br.left = BandRectMap[bandIdx, 0];
br.top = BandRectMap[bandIdx, 1];
br.right = BandRectMap[bandIdx, 2];
br.bottom = BandRectMap[bandIdx, 3];
}
return br;
}
