/// <summary>
/// Get the bit-pos from a codec quantity for a specified band
/// </summary>
/// <param name="quant">codec quantity</param>
/// <param name="band">a band tye</param>
/// <returns>The bit-pos of the given band</returns>
public static int GetBitPosFromQuant(RFX_COMPONMENT_CODEC_QUANT quant, BandType_Values band)
{
switch (band)
{
case BandType_Values.HL1: return((quant.HH2_HL1 & 0xf0) >> 4);
case BandType_Values.LH1: return(quant.LH1_HH1 & 0x0f);
case BandType_Values.HH1: return((quant.LH1_HH1 & 0xf0) >> 4);
case BandType_Values.HL2: return(quant.HL2_LH2 & 0x0f);
case BandType_Values.LH2: return((quant.HL2_LH2 & 0xf0) >> 4);
case BandType_Values.HH2: return(quant.HH2_HL1 & 0x0f);
case BandType_Values.HL3: return((quant.LL3_HL3 & 0xf0) >> 4);
case BandType_Values.LH3: return(quant.LH3_HH3 & 0x0f);
case BandType_Values.HH3: return((quant.LH3_HH3 & 0xf0) >> 4);
case BandType_Values.LL3: return(quant.LL3_HL3 & 0x0f);
default: return(0);
}
}
protected static void ProgressiveDeQuantization_Component(short[] data, RFX_COMPONMENT_CODEC_QUANT quant, bool useReduceExtrapolate)
{
int bitPos = 0;
for (int i = 0; i < RdpegfxTileUtils.ComponentElementCount; i++)
{
BandType_Values band = RdpegfxTileUtils.GetBandByIndex(i, useReduceExtrapolate);
bitPos = RdpegfxTileUtils.GetBitPosFromQuant(quant, band);
data[i] = FunProgDeQ(data[i], bitPos, band);
}
}
/// <summary>
/// Get the bit-pos for a given chunk
/// </summary>
/// <param name="chunk">The chunk</param>
/// <param name="component">The compoent</param>
/// <param name="band">The band</param>
/// <returns>The bit-pos of the given band for the given chunk</returns>
public static int GetBitPosForQuant(RFX_PROGRESSIVE_CODEC_QUANT quants, TileComponents component, BandType_Values band)
{
RFX_COMPONMENT_CODEC_QUANT quantsComponet = quants.yQuantValues;
switch (component)
{
case TileComponents.Y:
quantsComponet = quants.yQuantValues;
break;
case TileComponents.Cb:
quantsComponet = quants.cbQuantValues;
break;
case TileComponents.Cr:
quantsComponet = quants.crQuantValues;
break;
}
switch (band)
{
case BandType_Values.LL3:
return(quantsComponet.LL3_HL3 & 0x0F);
case BandType_Values.HL3:
return(quantsComponet.LL3_HL3 >> 4);
case BandType_Values.LH3:
return(quantsComponet.LH3_HH3 & 0x0F);
case BandType_Values.HH3:
return(quantsComponet.LH3_HH3 >> 4);
case BandType_Values.HL2:
return(quantsComponet.HL2_LH2 & 0x0F);
case BandType_Values.LH2:
return(quantsComponet.HL2_LH2 >> 4);
case BandType_Values.HH2:
return(quantsComponet.HH2_HL1 & 0x0F);
case BandType_Values.HL1:
return(quantsComponet.HH2_HL1 >> 4);
case BandType_Values.LH1:
return(quantsComponet.LH1_HH1 & 0x0F);
case BandType_Values.HH1:
return(quantsComponet.LH1_HH1 >> 4);
default:
return(0);
}
}
/// <summary>
/// Get the bit-pos from a codec quantity for a specified band
/// </summary>
/// <param name="quant">codec quantity</param>
/// <param name="band">a band tye</param>
/// <returns>The bit-pos of the given band</returns>
public static int GetBitPosFromQuant(RFX_COMPONMENT_CODEC_QUANT quant, BandType_Values band)
{
switch (band)
{
case BandType_Values.HL1: return (quant.HH2_HL1 & 0xf0) >> 4;
case BandType_Values.LH1: return (quant.LH1_HH1 & 0x0f);
case BandType_Values.HH1: return (quant.LH1_HH1 & 0xf0) >> 4;
case BandType_Values.HL2: return (quant.HL2_LH2 & 0x0f);
case BandType_Values.LH2: return (quant.HL2_LH2 & 0xf0) >> 4;
case BandType_Values.HH2: return (quant.HH2_HL1 & 0x0f);
case BandType_Values.HL3: return (quant.LL3_HL3 & 0xf0) >> 4;
case BandType_Values.LH3: return (quant.LH3_HH3 & 0x0f);
case BandType_Values.HH3: return (quant.LH3_HH3 & 0xf0) >> 4;
case BandType_Values.LL3: return (quant.LL3_HL3 & 0x0f);
default: return 0;
}
}
protected static void ProgressiveDeQuantization_Component(short[] data, RFX_COMPONMENT_CODEC_QUANT quant, bool useReduceExtrapolate)
{
int bitPos = 0;
for (int i = 0; i < RdpegfxTileUtils.ComponentElementCount; i++)
{
BandType_Values band = RdpegfxTileUtils.GetBandByIndex(i, useReduceExtrapolate);
bitPos = RdpegfxTileUtils.GetBitPosFromQuant(quant, band);
data[i] = FunProgDeQ(data[i], bitPos, band);
}
}
