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]);
}
}
public static void reconstruction_Component(short[] component1D, out short[,] compontent2D, bool useReduceExtrapolate)
{
//sequence: HL1, LH1, HH1, HL2, LH2, HH2, HL3, LH3, HH3, and LL3
//lineOutput = new short[TileSize * TileSize];
compontent2D = new short[RdpegfxTileUtils.TileSize, RdpegfxTileUtils.TileSize];
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 offset = 0;
BandRect curBand;
for (int i = 0; i < bandArr.Length; i++)
{
curBand = RdpegfxTileUtils.GetBandRect(bandArr[i], useReduceExtrapolate);
reconstruction_SubBand(compontent2D, curBand.left, curBand.top, curBand.right, curBand.bottom, component1D, ref offset);
}
}
protected static void linearization_Compontent(short[,] compontent, bool useReduceExtrapolate, out short[] lineOutput)
{
//sequence: HL1, LH1, HH1, HL2, LH2, HH2, HL3, LH3, HH3, and LL3
lineOutput = new short[TileSize * TileSize];
int curIdx = 0;
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 };
short[] bandOutput;
BandRect curBand;
for (int i = 0; i < bandArr.Length; i++)
{
curBand = RdpegfxTileUtils.GetBandRect(bandArr[i], useReduceExtrapolate);
linearization_SubBand(compontent, curBand.left, curBand.top, curBand.right, curBand.bottom, out bandOutput);
Array.Copy(bandOutput, 0, lineOutput, curIdx, bandOutput.Length);
curIdx += bandOutput.Length;
}
}
