/// <summary>
/// Get the progressive codec quantity for the specified chunk
/// </summary>
/// <param name="chunk">the chunk type</param>
/// <returns>The progressive codec quant for the specified chunk</returns>
public static RFX_PROGRESSIVE_CODEC_QUANT GetProgCodecQuant(ProgressiveChunk_Values chunk)
{
RFX_PROGRESSIVE_CODEC_QUANT progQuant = new RFX_PROGRESSIVE_CODEC_QUANT();
progQuant.yQuantValues = new RFX_COMPONMENT_CODEC_QUANT();
progQuant.cbQuantValues = new RFX_COMPONMENT_CODEC_QUANT();
progQuant.crQuantValues = new RFX_COMPONMENT_CODEC_QUANT();
//Y
progQuant.yQuantValues.LL3_HL3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.LL3) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HL3) << 4));
progQuant.yQuantValues.LH3_HH3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.LH3) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HH3) << 4));
progQuant.yQuantValues.HL2_LH2 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HL2) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.LH2) << 4));
progQuant.yQuantValues.HH2_HL1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HH2) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HL1) << 4));
progQuant.yQuantValues.LH1_HH1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.LH1) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HH1) << 4));
//Cb
progQuant.cbQuantValues.LL3_HL3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.LL3) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HL3) << 4));
progQuant.cbQuantValues.LH3_HH3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.LH3) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HH3) << 4));
progQuant.cbQuantValues.HL2_LH2 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HL2) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.LH2) << 4));
progQuant.cbQuantValues.HH2_HL1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HH2) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HL1) << 4));
progQuant.cbQuantValues.LH1_HH1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.LH1) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HH1) << 4));
//Cr
progQuant.crQuantValues.LL3_HL3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.LL3) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HL3) << 4));
progQuant.crQuantValues.LH3_HH3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.LH3) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HH3) << 4));
progQuant.crQuantValues.HL2_LH2 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HL2) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.LH2) << 4));
progQuant.crQuantValues.HH2_HL1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HH2) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HL1) << 4));
progQuant.crQuantValues.LH1_HH1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.LH1) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HH1) << 4));
return(progQuant);
}
/// <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>
/// Constructor
/// </summary>
/// <param name="y">Y component data</param>
/// <param name="cb">Cb component data</param>
/// <param name="cr">Cr component data</param>
/// <param name="quant">Codec quantity</param>
/// <param name="bReduceExtrapolate">Indicates if used Reduce-Extrapolate method in DWT</param>
/// <param name="progQuant">The progressive codec quantity</param>
public DwtTile(short[] y, short[] cb, short[] cr, TS_RFX_CODEC_QUANT[] quantVals, byte quantIdxY, byte quantIdxCb, byte quantIdxCr, bool bReduceExtrapolate, RFX_PROGRESSIVE_CODEC_QUANT progQuant = null)
{
// Clone the array， make sure different DwtTitle cannot hold the same array reference
Y_DwtQ = (short[])y.Clone();
Cb_DwtQ = (short[])cb.Clone();
Cr_DwtQ = (short[])cr.Clone();
CodecQuantVals = quantVals;
this.QuantIdxY = quantIdxY;
this.QuantIdxCb = quantIdxCb;
this.QuantIdxCr = quantIdxCr;
UseReduceExtrapolate = bReduceExtrapolate;
ProgCodecQuant = progQuant;
}
protected static void DTS_Component(DwtBands dwt, TileComponents component, RFX_PROGRESSIVE_CODEC_QUANT quants)
{
//HL1, LH1, HH1, HL2, LH2, HH2, HL3, LH3, HH3, and LL3
DTS_Band(dwt.HL1, BandType_Values.HL1, component, quants);
DTS_Band(dwt.LH1, BandType_Values.LH1, component, quants);
DTS_Band(dwt.HH1, BandType_Values.HH1, component, quants);
DTS_Band(dwt.HL2, BandType_Values.HL2, component, quants);
DTS_Band(dwt.LH2, BandType_Values.LH2, component, quants);
DTS_Band(dwt.HH2, BandType_Values.HH2, component, quants);
DTS_Band(dwt.HL3, BandType_Values.HL3, component, quants);
DTS_Band(dwt.LH3, BandType_Values.LH3, component, quants);
DTS_Band(dwt.HH3, BandType_Values.HH3, component, quants);
DTS_Band(dwt.LL3, BandType_Values.LL3, component, quants);
}
/// <summary>
/// Consturctor
/// </summary>
/// <param name="tsRfxCodecQuantVals">Codec quantity values array</param>
/// <param name="quantIdxY">Index of Y component in quantity array</param>
/// <param name="quantIdxCb">Index of Cb component in quantity array</param>
/// <param name="quantIdxCr">Index of Cr component in quantity array</param>
/// <param name="bProgressive">indicates if use progressive codec</param>
/// <param name="bTileDiff">indicates if sub-diffing</param>
/// <param name="bReduceExtrapolate">Indicates if use Reduce-Extrapolate method in DWT</param>
public RfxProgressiveCodecContext(
TS_RFX_CODEC_QUANT[] tsRfxCodecQuantVals,
byte quantIdxY,
byte quantIdxCb,
byte quantIdxCr,
bool bProgressive = false,
bool bTileDiff = true,
bool bReduceExtrapolate = true)
: base(tsRfxCodecQuantVals, quantIdxY, quantIdxCb, quantIdxCr, EntropyAlgorithm.CLW_ENTROPY_RLGR1)
{
UseProgressive = bProgressive;
UseDifferenceTile = bTileDiff;
UseReduceExtrapolate = bReduceExtrapolate;
prevProgQuant = RdpegfxTileUtils.GetProgCodecQuant(ProgressiveChunk_Values.kChunk_None);
}
/// <summary>
/// Consturctor
/// </summary>
/// <param name="tsRfxCodecQuantVals">Codec quantity values array</param>
/// <param name="quantIdxY">Index of Y component in quantity array</param>
/// <param name="quantIdxCb">Index of Cb component in quantity array</param>
/// <param name="quantIdxCr">Index of Cr component in quantity array</param>
/// <param name="bProgressive">indicates if use progressive codec</param>
/// <param name="bTileDiff">indicates if sub-diffing</param>
/// <param name="bReduceExtrapolate">Indicates if use Reduce-Extrapolate method in DWT</param>
public RfxProgressiveCodecContext(
TS_RFX_CODEC_QUANT[] tsRfxCodecQuantVals,
byte quantIdxY,
byte quantIdxCb,
byte quantIdxCr,
bool bProgressive = false,
bool bTileDiff = true,
bool bReduceExtrapolate = true)
: base(tsRfxCodecQuantVals, quantIdxY, quantIdxCb, quantIdxCr, EntropyAlgorithm.CLW_ENTROPY_RLGR1)
{
UseProgressive = bProgressive;
UseDifferenceTile = bTileDiff;
UseReduceExtrapolate = bReduceExtrapolate;
prevProgQuant = RdpegfxTileUtils.GetProgCodecQuant(ProgressiveChunk_Values.kChunk_None);
}
static void ProgressiveQuantization_Band(short[] bandData, BandType_Values band, TileComponents component, RFX_PROGRESSIVE_CODEC_QUANT quants)
{
int bitPos = RdpegfxTileUtils.GetBitPosForQuant(quants, component, band);
for (int i = 0; i < bandData.Length; i++)
{
bandData[i] = FunProgQ(bandData[i], bitPos, band);
}
}
protected static void ProgressiveQuantization_Component(DwtBands dwt, TileComponents component, RFX_PROGRESSIVE_CODEC_QUANT quants)
{
//HL1, LH1, HH1, HL2, LH2, HH2, HL3, LH3, HH3, and LL3
ProgressiveQuantization_Band(dwt.HL1, BandType_Values.HL1, component, quants);
ProgressiveQuantization_Band(dwt.LH1, BandType_Values.LH1, component, quants);
ProgressiveQuantization_Band(dwt.HH1, BandType_Values.HH1, component, quants);
ProgressiveQuantization_Band(dwt.HL2, BandType_Values.HL2, component, quants);
ProgressiveQuantization_Band(dwt.LH2, BandType_Values.LH2, component, quants);
ProgressiveQuantization_Band(dwt.HH2, BandType_Values.HH2, component, quants);
ProgressiveQuantization_Band(dwt.HL3, BandType_Values.HL3, component, quants);
ProgressiveQuantization_Band(dwt.LH3, BandType_Values.LH3, component, quants);
ProgressiveQuantization_Band(dwt.HH3, BandType_Values.HH3, component, quants);
ProgressiveQuantization_Band(dwt.LL3, BandType_Values.LL3, component, quants);
}
/// <summary>
/// Get the progressive codec quantity for the specified chunk
/// </summary>
/// <param name="chunk">the chunk type</param>
/// <returns>The progressive codec quant for the specified chunk</returns>
public static RFX_PROGRESSIVE_CODEC_QUANT GetProgCodecQuant(ProgressiveChunk_Values chunk)
{
RFX_PROGRESSIVE_CODEC_QUANT progQuant = new RFX_PROGRESSIVE_CODEC_QUANT();
progQuant.yQuantValues = new RFX_COMPONMENT_CODEC_QUANT();
progQuant.cbQuantValues = new RFX_COMPONMENT_CODEC_QUANT();
progQuant.crQuantValues = new RFX_COMPONMENT_CODEC_QUANT();
//Y
progQuant.yQuantValues.LL3_HL3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.LL3) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HL3) << 4));
progQuant.yQuantValues.LH3_HH3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.LH3) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HH3) << 4));
progQuant.yQuantValues.HL2_LH2 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HL2) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.LH2) << 4));
progQuant.yQuantValues.HH2_HL1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HH2) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HL1) << 4));
progQuant.yQuantValues.LH1_HH1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.LH1) | (GetBitPosForChunk(chunk, TileComponents.Y, BandType_Values.HH1) << 4));
//Cb
progQuant.cbQuantValues.LL3_HL3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.LL3) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HL3) << 4));
progQuant.cbQuantValues.LH3_HH3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.LH3) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HH3) << 4));
progQuant.cbQuantValues.HL2_LH2 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HL2) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.LH2) << 4));
progQuant.cbQuantValues.HH2_HL1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HH2) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HL1) << 4));
progQuant.cbQuantValues.LH1_HH1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.LH1) | (GetBitPosForChunk(chunk, TileComponents.Cb, BandType_Values.HH1) << 4));
//Cr
progQuant.crQuantValues.LL3_HL3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.LL3) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HL3) << 4));
progQuant.crQuantValues.LH3_HH3 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.LH3) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HH3) << 4));
progQuant.crQuantValues.HL2_LH2 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HL2) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.LH2) << 4));
progQuant.crQuantValues.HH2_HL1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HH2) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HL1) << 4));
progQuant.crQuantValues.LH1_HH1 = (byte)(GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.LH1) | (GetBitPosForChunk(chunk, TileComponents.Cr, BandType_Values.HH1) << 4));
return progQuant;
}
/// <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;
}
}
static void DTS_Band(short[] bandData, BandType_Values band, TileComponents component, RFX_PROGRESSIVE_CODEC_QUANT quants)
{
int bitPos = RdpegfxTileUtils.GetBitPosForQuant(quants, component, band);
for (int i = 0; i < bandData.Length; i++)
{
bandData[i] = FunDTS(bandData[i], bitPos, band);
}
}
/// <summary>
/// Encode a Tile
/// </summary>
/// <param name="encodingContext">The tile encoding context</param>
/// <param name="enTileInfo">The tile to be encoded</param>
/// <returns>A array of CompressedTile which contains the encoded tiles</returns>
public static EncodedTile[] EncodeTile(RfxProgressiveCodecContext encodingContext, TileState enTileInfo)
{
EncodedTileType targetType = encodingContext.UseProgressive ? EncodedTileType.FirstPass : EncodedTileType.Simple;
//File RGB
FillRgbData(encodingContext, enTileInfo.GetRgb());
//Do color conversion
RemoteFXEncoder.RGBToYCbCr(encodingContext);
//Do DWT
if (encodingContext.UseReduceExtrapolate)
{
//Do DWT using UseReduce Extrapolate method
DWT(encodingContext);
}
else
{
RemoteFXEncoder.DWT(encodingContext);
}
//Do quantiztion
Quantization(encodingContext);
//Do linearization (LL3 delta not computed)
Linearization_NoLL3Delta(encodingContext);
//Update new DWT to tile
DwtTile dwt = new DwtTile(
(short[])encodingContext.YComponent.Clone(),
(short[])encodingContext.CbComponent.Clone(),
(short[])encodingContext.CrComponent.Clone(),
encodingContext.CodecQuantVals,
encodingContext.QuantIdxY,
encodingContext.QuantIdxCb,
encodingContext.QuantIdxCr,
encodingContext.UseReduceExtrapolate
);
enTileInfo.UpdateDwt(dwt);
//Sub-Band Diffing
if (encodingContext.UseDifferenceTile)
{
SubBandDiffing_DT(encodingContext, enTileInfo);
}
if (targetType == EncodedTileType.Simple)
{
ComputeLL3Deltas(encodingContext);
RemoteFXEncoder.RLGREncode(encodingContext);
EncodedTile cpTile = new EncodedTile();
cpTile.YEncodedData = (byte[])encodingContext.YData.Clone();
cpTile.CbEncodedData = (byte[])encodingContext.CbData.Clone();
cpTile.CrEncodedData = (byte[])encodingContext.CrData.Clone();
cpTile.DataType = EncodedTileType.Simple;
cpTile.IsDifferenceTile = encodingContext.UseDifferenceTile;
cpTile.UseReduceExtrapolate = encodingContext.UseReduceExtrapolate;
cpTile.CodecQuantVals = encodingContext.CodecQuantVals;
cpTile.QuantIdxY = encodingContext.QuantIdxY;
cpTile.QuantIdxCb = encodingContext.QuantIdxCb;
cpTile.QuantIdxCr = encodingContext.QuantIdxCr;
cpTile.ProgCodecQuant = null;
return(new EncodedTile[] { cpTile });
}
else
{
List <EncodedTile> progCTileList = new List <EncodedTile>();
//Init DRS, DAS
encodingContext.DRS = new DwtTile(encodingContext.YComponent, encodingContext.CbComponent, encodingContext.CrComponent);
encodingContext.DAS = new DwtTile(new short[RdpegfxTileUtils.ComponentElementCount], new short[RdpegfxTileUtils.ComponentElementCount], new short[RdpegfxTileUtils.ComponentElementCount]);
#region Chunk 25, first pass
ProgressiveQuantization(encodingContext, ProgressiveChunk_Values.kChunk_25);
//Compute ProgQ LL3 deltas
encodingContext.YComponent = encodingContext.ProgQ.Y_DwtQ;
encodingContext.CbComponent = encodingContext.ProgQ.Cb_DwtQ;
encodingContext.CrComponent = encodingContext.ProgQ.Cr_DwtQ;
ComputeLL3Deltas(encodingContext);
RemoteFXEncoder.RLGREncode(encodingContext);
EncodedTile firstPassTile = new EncodedTile();
firstPassTile.YEncodedData = (byte[])encodingContext.YData.Clone();
firstPassTile.CbEncodedData = (byte[])encodingContext.CbData.Clone();
firstPassTile.CrEncodedData = (byte[])encodingContext.CrData.Clone();
firstPassTile.DataType = EncodedTileType.FirstPass;
firstPassTile.IsDifferenceTile = encodingContext.UseDifferenceTile;
firstPassTile.UseReduceExtrapolate = encodingContext.UseReduceExtrapolate;
firstPassTile.CodecQuantVals = encodingContext.CodecQuantVals;
firstPassTile.QuantIdxY = encodingContext.QuantIdxY;
firstPassTile.QuantIdxCb = encodingContext.QuantIdxCb;
firstPassTile.QuantIdxCr = encodingContext.QuantIdxCr;
firstPassTile.ProgCodecQuant = RdpegfxTileUtils.GetProgCodecQuant(ProgressiveChunk_Values.kChunk_25);
progCTileList.Add(firstPassTile);
encodingContext.prevProgQuant = RdpegfxTileUtils.GetProgCodecQuant(ProgressiveChunk_Values.kChunk_25);
//Update DRS
encodingContext.DRS.Sub(encodingContext.DTS);
//Update DAS
encodingContext.DAS.Add(encodingContext.DTS);
#endregion
#region Chunk 50,75,100, upgrade pass
ProgressiveChunk_Values[] upgradeChunks = { ProgressiveChunk_Values.kChunk_50, ProgressiveChunk_Values.kChunk_75, ProgressiveChunk_Values.kChunk_100 };
foreach (ProgressiveChunk_Values tChunk in upgradeChunks)
{
ProgressiveQuantization(encodingContext, tChunk);
RFX_PROGRESSIVE_CODEC_QUANT progquant = RdpegfxTileUtils.GetProgCodecQuant(tChunk);
progCTileList.Add(SRLEncode(encodingContext, progquant));
//Update DRS
encodingContext.DRS.Sub(encodingContext.DTS);
//Update DAS
encodingContext.DAS.Add(encodingContext.DTS);
encodingContext.prevProgQuant = progquant;
}
return(progCTileList.ToArray());
#endregion
}
}
public static void ProgressiveDeQuantization(RfxProgressiveCodecContext codecContext, RFX_PROGRESSIVE_CODEC_QUANT progCodecQuant)
{
ProgressiveDeQuantization_Component(codecContext.YComponent, progCodecQuant.yQuantValues, codecContext.UseReduceExtrapolate);
ProgressiveDeQuantization_Component(codecContext.CbComponent, progCodecQuant.cbQuantValues, codecContext.UseReduceExtrapolate);
ProgressiveDeQuantization_Component(codecContext.CrComponent, progCodecQuant.crQuantValues, codecContext.UseReduceExtrapolate);
}
public static void SRLDecode(RfxProgressiveCodecContext codecContext, EncodedTile enTile, TileState tState)
{
SRLDecoder yDecoder = null;
SRLDecoder cbDecoder = null;
SRLDecoder crDecoder = null;
List <short> yData = new List <short>();
List <short> cbData = new List <short>();
List <short> crData = new List <short>();
DwtTile triState = tState.GetTriState();
RFX_PROGRESSIVE_CODEC_QUANT prvProgQuant = tState.GetDwt().ProgCodecQuant;
int nonLL3Len = RdpegfxTileUtils.ComponentElementCount - RdpegfxTileUtils.GetBandSize(BandType_Values.LL3, enTile.UseReduceExtrapolate);
if (enTile.YEncodedData != null)
{
yDecoder = new SRLDecoder(enTile.YEncodedData);
}
if (enTile.CbEncodedData != null)
{
cbDecoder = new SRLDecoder(enTile.CbEncodedData);
}
if (enTile.CrEncodedData != null)
{
crDecoder = new SRLDecoder(enTile.CrEncodedData);
}
BitStream yRaw = BitStream.GetFromBytes(enTile.YRawData);
BitStream cbRaw = BitStream.GetFromBytes(enTile.CbRawData);
BitStream crRaw = BitStream.GetFromBytes(enTile.CrRawData);
for (int i = 0; i < RdpegfxTileUtils.ComponentElementCount; i++)
{
BandType_Values band = RdpegfxTileUtils.GetBandByIndex(i, enTile.UseReduceExtrapolate);
//Y
int curBitPos = RdpegfxTileUtils.GetBitPosFromQuant(enTile.ProgCodecQuant.yQuantValues, band);
int prvBitPos = RdpegfxTileUtils.GetBitPosFromQuant(prvProgQuant.yQuantValues, band);
int bitCount = prvBitPos - curBitPos;
int sign = triState.Y_DwtQ[i];
if (bitCount > 0)
{
if (sign == 0 && i < nonLL3Len)
{
if (yDecoder != null)
{
short?decodedValue = yDecoder.DecodeOne(bitCount);
if (decodedValue.HasValue)
{
yData.Add(decodedValue.Value);
}
else
{
yData.Add(0);
}
}
else
{
yData.Add(0);
}
}
else
{
int output;
if (yRaw.ReadInt32(bitCount, out output))
{
if (sign < 0 && i < nonLL3Len)
{
output = -output;
}
yData.Add((short)output);
}
else
{
yData.Add(0);
}
}
}
else
{
yData.Add(0);
}
//Cb
curBitPos = RdpegfxTileUtils.GetBitPosFromQuant(enTile.ProgCodecQuant.cbQuantValues, band);
prvBitPos = RdpegfxTileUtils.GetBitPosFromQuant(prvProgQuant.cbQuantValues, band);
bitCount = prvBitPos - curBitPos;
sign = triState.Cb_DwtQ[i];
if (bitCount > 0)
{
if (sign == 0 && i < nonLL3Len)
{
if (cbDecoder != null)
{
short?decodedValue = cbDecoder.DecodeOne(bitCount);
if (decodedValue.HasValue)
{
cbData.Add(decodedValue.Value);
}
else
{
cbData.Add(0);
}
}
else
{
cbData.Add(0);
}
}
else
{
int output;
if (cbRaw.ReadInt32(bitCount, out output))
{
if (sign < 0 && i < nonLL3Len)
{
output = -output;
}
cbData.Add((short)output);
}
else
{
cbData.Add(0);
}
}
}
else
{
cbData.Add(0);
}
//cr
curBitPos = RdpegfxTileUtils.GetBitPosFromQuant(enTile.ProgCodecQuant.crQuantValues, band);
prvBitPos = RdpegfxTileUtils.GetBitPosFromQuant(prvProgQuant.crQuantValues, band);
bitCount = prvBitPos - curBitPos;
sign = triState.Cr_DwtQ[i];
if (bitCount > 0)
{
if (sign == 0 && i < nonLL3Len)
{
if (crDecoder != null)
{
short?decodedValue = crDecoder.DecodeOne(bitCount);
if (decodedValue.HasValue)
{
crData.Add(decodedValue.Value);
}
else
{
crData.Add(0);
}
}
else
{
crData.Add(0);
}
}
else
{
int output;
if (crRaw.ReadInt32(bitCount, out output))
{
if (sign < 0 && i < nonLL3Len)
{
output = -output;
}
crData.Add((short)output);
}
else
{
crData.Add(0);
}
}
}
else
{
crData.Add(0);
}
}
codecContext.YComponent = yData.ToArray();
codecContext.CbComponent = cbData.ToArray();
codecContext.CrComponent = crData.ToArray();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="y">Y component data</param>
/// <param name="cb">Cb component data</param>
/// <param name="cr">Cr component data</param>
/// <param name="quant">Codec quantity</param>
/// <param name="bReduceExtrapolate">Indicates if used Reduce-Extrapolate method in DWT</param>
/// <param name="progQuant">The progressive codec quantity</param>
public DwtTile(short[] y, short[] cb, short[] cr, TS_RFX_CODEC_QUANT[] quantVals, byte quantIdxY, byte quantIdxCb, byte quantIdxCr, bool bReduceExtrapolate, RFX_PROGRESSIVE_CODEC_QUANT progQuant = null)
{
// Clone the array， make sure different DwtTitle cannot hold the same array reference
Y_DwtQ = (short[])y.Clone();
Cb_DwtQ = (short[])cb.Clone();
Cr_DwtQ = (short[])cr.Clone();
CodecQuantVals = quantVals;
this.QuantIdxY = quantIdxY;
this.QuantIdxCb = quantIdxCb;
this.QuantIdxCr = quantIdxCr;
UseReduceExtrapolate = bReduceExtrapolate;
ProgCodecQuant = progQuant;
}
public static void ProgressiveDeQuantization(RfxProgressiveCodecContext codecContext, RFX_PROGRESSIVE_CODEC_QUANT progCodecQuant )
{
ProgressiveDeQuantization_Component(codecContext.YComponent, progCodecQuant.yQuantValues, codecContext.UseReduceExtrapolate);
ProgressiveDeQuantization_Component(codecContext.CbComponent, progCodecQuant.cbQuantValues, codecContext.UseReduceExtrapolate);
ProgressiveDeQuantization_Component(codecContext.CrComponent, progCodecQuant.crQuantValues, codecContext.UseReduceExtrapolate);
}
