/// <summary>
/// Build tile data blocks(tile simple or tile first or tile upgrade).
/// </summary>
/// <param name="quantIdx">This is used to indicate index in TS_RFX_CODEC_QUANT array of region block</param>
/// <param name="tileIdx">This is used to indicate the tile index.</param>
/// <param name="tileData">This is used to indicate the encoded tile data.</param>
/// <param name="tileBlockType">This is used to indicate the tile data block type(simple, first, or upgrade).</param>
public RFX_Progressive_DataBlock BuildTileDataBlock(byte quantIdx, TileIndex tileIdx, EncodedTile tileData, RFXProgCodecBlockType tileBlockType)
{
RFX_Progressive_DataBlock tile_block;
if (tileBlockType == RFXProgCodecBlockType.WBT_TILE_PROGRESSIVE_FIRST)
{
tile_block = new RFX_Progressive_TILE_FIRST(quantIdx, tileIdx, tileData);
}
else if (tileBlockType == RFXProgCodecBlockType.WBT_TILE_PROGRESSIVE_UPGRADE)
{
tile_block = new RFX_PROGRESSIVE_TILE_UPGRADE(quantIdx, tileIdx, tileData);
}
else
{
tile_block = new RFX_Progressive_TILE_SIMPLE(quantIdx, tileIdx, tileData);
}
return tile_block;
}
/// <summary>
/// Constructor, create RFX_PROGRESSIVE_TILE_UPGRADE block
/// </summary>
/// <param name="quantIdx">This is used to indicate index in TS_RFX_CODEC_AUANT array of region block</param>
/// <param name="tileIdx">This is used to indicate tile position([x, y]).</param>
/// <param name="tileData">This is used to indicate encoded tile data which is related to quantIdx</param>
public RFX_PROGRESSIVE_TILE_UPGRADE(byte quantIdx, TileIndex tileIdx, EncodedTile tileData)
{
this.blockType = RFXProgCodecBlockType.WBT_TILE_PROGRESSIVE_UPGRADE;
this.blockLen = 6; // Common part 6 bytes.
this.quantIdxY = quantIdx;
this.quantIdxCb = quantIdx;
this.quantIdxCr = quantIdx;
this.xIdx = tileIdx.X;
this.yIdx = tileIdx.Y;
this.progressiveQuality = tileData.ProgCodecQuant.quality;
this.blockLen += 8;
// Srl data.
this.ySrlLen = (tileData.YEncodedData == null) ? (ushort)0 : (ushort)tileData.YEncodedData.Count();
this.ySrlData = tileData.YEncodedData;
this.cbSrlLen = (tileData.CbEncodedData == null) ? (ushort)0 : (ushort)tileData.CbEncodedData.Count();
this.cbSrlData = tileData.CbEncodedData;
this.crSrlLen = (tileData.CrEncodedData == null) ? (ushort)0 : (ushort)tileData.CrEncodedData.Count();
this.crSrlData = tileData.CrEncodedData;
this.blockLen += (uint)(6 + this.ySrlLen + this.cbSrlLen + this.crSrlLen);
// Raw data.
this.yRawLen = (tileData.YRawData == null) ? (ushort)0 : (ushort)tileData.YRawData.Count();
this.yRawData = tileData.YRawData;
this.cbRawLen = (tileData.CbRawData == null) ? (ushort)0 : (ushort)tileData.CbRawData.Count();
this.cbRawData = tileData.CbRawData;
this.crRawLen = (tileData.CrRawData == null) ? (ushort)0 : (ushort)tileData.CrRawData.Count();
this.crRawData = tileData.CrRawData;
this.blockLen += (uint)(6 + this.yRawLen + this.cbRawLen + this.crRawLen);
}
/// <summary>
/// constructor, create RFX_Progressive_REGION block
/// </summary>
/// <param name="bProg">This is used to indicate if progressive encoding is enabled </param>
/// <param name="flag">This is used to indicate region flag </param>
/// <param name="tileDSize">This is used to indicate total size of all tiles encoded data </param>
/// <param name="regionRects">This is used to indicate region rectangles that all tiles to fill </param>
/// <param name="tileDataArr">This is used to indicate quant data for specific layer </param>
public RFX_Progressive_REGION(bool bProg, byte flag, uint tileDSize, TS_RFX_RECT[] regionRects, EncodedTile[] tileDataArr)
{
this.blockType = RFXProgCodecBlockType.WBT_REGION;
this.blockLen = 6; // common part 6 bytes
this.tileSize = (byte)RFX_Progressive_CONST.CONTEXT_TILESIZE;
this.flags = flag;
this.blockLen += 2;
// Init rect.
this.numRects = (ushort)regionRects.Count();
this.rects = regionRects;
this.blockLen += (uint)(2 + this.numRects * Marshal.SizeOf(this.rects[0]));
// Init quant array.
this.numQuant = (byte)tileDataArr[0].CodecQuantVals.Length; // each tile share same quantity table
this.blockLen += 1;
this.quantVals = tileDataArr[0].CodecQuantVals;
this.blockLen += (uint)(this.numQuant * 5);
if (bProg) // Progressive encoding.
{
this.numProgQuant = 1; // Each tile share same progressive quantity table.
this.blockLen += 1;
this.quantProgVals = new RFX_PROGRESSIVE_CODEC_QUANT[this.numProgQuant];
for (int i = 0; i < this.numProgQuant; i++)
{
this.quantProgVals[i] = tileDataArr[i].ProgCodecQuant;
this.blockLen += (uint)(1 + Marshal.SizeOf(this.quantProgVals[i].yQuantValues) +
Marshal.SizeOf(this.quantProgVals[i].cbQuantValues) +
Marshal.SizeOf(this.quantProgVals[i].crQuantValues));
}
}
else // Non-progressive encoding.
{
this.numProgQuant = 0;
this.blockLen += 1;
this.quantProgVals = null;
}
this.numTiles = (ushort)tileDataArr.Count();
this.tileDataSize = tileDSize;
this.blockLen += (6 + tileDSize);
}
/// <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
}
}
/// <summary>
/// constructor, create RFX_Progressive_TILE_SIMPLE block
/// </summary>
/// <param name="quantIdx">This is used to indicate index in TS_RFX_CODEC_AUANT array of region block</param>
/// <param name="tileIdx">This is used to indicate tile position([x, y]).</param>
/// <param name="tileData">This is used to indicate encoded tile data</param>
public RFX_Progressive_TILE_SIMPLE(byte quantIdx, TileIndex tileIdx, EncodedTile tileData)
{
this.blockType = RFXProgCodecBlockType.WBT_TILE_SIMPLE;
this.blockLen = 6; // common part 6 bytes
this.quantIdxY = quantIdx;
this.quantIdxCb = quantIdx;
this.quantIdxCr = quantIdx;
this.xIdx = tileIdx.X;
this.yIdx = tileIdx.Y;
this.flags = tileData.IsDifferenceTile;
this.blockLen += 8;
this.yLen = (tileData.YEncodedData == null) ? (ushort)0 : (ushort)tileData.YEncodedData.Count();
this.yData = tileData.YEncodedData;
this.blockLen += (uint)(2 + this.yLen);
this.cbLen = (tileData.CbEncodedData == null) ? (ushort)0 : (ushort)tileData.CbEncodedData.Count();
this.cbData = tileData.CbEncodedData;
this.blockLen += (uint)(2 + this.cbLen);
this.crLen = (tileData.CrEncodedData == null) ? (ushort)0 : (ushort)tileData.CrEncodedData.Count();
this.crData = tileData.CrEncodedData;
this.blockLen += (uint)(2 + this.crLen);
//this.tailLen = 8;
//this.tailData = new byte[8]{0x4C, 0x41, 0x01, 0x00, 0xFF, 0xFF, 0x00, 0x10};
this.tailLen = 0;
this.tailData = null;
this.blockLen += (uint)(2 + this.tailLen);
}
//SRLEncode
public static EncodedTile SRLEncode(RfxProgressiveCodecContext encodingContext, Rdpegfx.RFX_PROGRESSIVE_CODEC_QUANT progQuant)
{
SRLEncoder encoder = new SRLEncoder();
List <short> yDataToSrl = new List <short>();
List <short> cbDataToSrl = new List <short>();
List <short> crDataToSrl = new List <short>();
List <int> yDataToSrlBitLen = new List <int>();
List <int> cbDataToSrlBitLen = new List <int>();
List <int> crDataToSrlBitLen = new List <int>();
BitStream yRawBitStream = new BitStream();
BitStream cbRawBitStream = new BitStream();
BitStream crRawBitStream = new BitStream();
int nonLL3Len = RdpegfxTileUtils.ComponentElementCount - RdpegfxTileUtils.GetBandSize(BandType_Values.LL3, encodingContext.UseReduceExtrapolate);
Rdpegfx.RFX_PROGRESSIVE_CODEC_QUANT prevProgQuant = encodingContext.prevProgQuant;
Rdpegfx.RFX_PROGRESSIVE_CODEC_QUANT curProgQuant = progQuant;
for (int i = 0; i < RdpegfxTileUtils.ComponentElementCount; i++)
{
BandType_Values band = RdpegfxTileUtils.GetBandByIndex(i, encodingContext.UseReduceExtrapolate);
int targetBitPos = RdpegfxTileUtils.GetBitPosFromQuant(curProgQuant.yQuantValues, band);
int prevBitPos = RdpegfxTileUtils.GetBitPosFromQuant(prevProgQuant.yQuantValues, band);
int bitCount = prevBitPos - targetBitPos;
if (bitCount > 0)
{
if (encodingContext.DAS.Y_DwtQ[i] == 0 && i < nonLL3Len)
{
yDataToSrl.Add(encodingContext.ProgQ.Y_DwtQ[i]);
yDataToSrlBitLen.Add(bitCount);
}
else
{
//Add raw data
yRawBitStream.WriteBits(bitCount, Math.Abs(encodingContext.ProgQ.Y_DwtQ[i]));
}
}
targetBitPos = RdpegfxTileUtils.GetBitPosFromQuant(curProgQuant.cbQuantValues, band);
prevBitPos = RdpegfxTileUtils.GetBitPosFromQuant(prevProgQuant.cbQuantValues, band);
bitCount = prevBitPos - targetBitPos;
if (bitCount > 0)
{
if (encodingContext.DAS.Cb_DwtQ[i] == 0 && i < nonLL3Len)
{
cbDataToSrl.Add(encodingContext.ProgQ.Cb_DwtQ[i]);
cbDataToSrlBitLen.Add(bitCount);
}
else
{
//Add raw data
cbRawBitStream.WriteBits(bitCount, Math.Abs(encodingContext.ProgQ.Cb_DwtQ[i]));
}
}
targetBitPos = RdpegfxTileUtils.GetBitPosFromQuant(curProgQuant.crQuantValues, band);
prevBitPos = RdpegfxTileUtils.GetBitPosFromQuant(curProgQuant.crQuantValues, band);
bitCount = prevBitPos - targetBitPos;
if (bitCount > 0)
{
if (encodingContext.DAS.Cr_DwtQ[i] == 0 && i < nonLL3Len)
{
crDataToSrl.Add(encodingContext.ProgQ.Cr_DwtQ[i]);
crDataToSrlBitLen.Add(bitCount);
}
else
{
//Add raw data
crRawBitStream.WriteBits(bitCount, Math.Abs(encodingContext.ProgQ.Cr_DwtQ[i]));
}
}
}
encodingContext.YData = encoder.Encode(yDataToSrl.ToArray(), yDataToSrlBitLen.ToArray());
encodingContext.CbData = encoder.Encode(cbDataToSrl.ToArray(), cbDataToSrlBitLen.ToArray());
encodingContext.CrData = encoder.Encode(crDataToSrl.ToArray(), crDataToSrlBitLen.ToArray());
EncodedTile ugTile = new EncodedTile();
ugTile.YEncodedData = (byte[])encodingContext.YData.Clone();
ugTile.CbEncodedData = (byte[])encodingContext.CbData.Clone();
ugTile.CrEncodedData = (byte[])encodingContext.CrData.Clone();
ugTile.YRawData = yRawBitStream.ToBytes();
ugTile.CbRawData = cbRawBitStream.ToBytes();
ugTile.CrRawData = crRawBitStream.ToBytes();
ugTile.DataType = EncodedTileType.UpgradePass;
ugTile.IsDifferenceTile = encodingContext.UseDifferenceTile;
ugTile.UseReduceExtrapolate = encodingContext.UseReduceExtrapolate;
ugTile.CodecQuantVals = encodingContext.CodecQuantVals;
ugTile.QuantIdxY = encodingContext.QuantIdxY;
ugTile.QuantIdxCb = encodingContext.QuantIdxCb;
ugTile.QuantIdxCr = encodingContext.QuantIdxCr;
ugTile.ProgCodecQuant = curProgQuant;
return(ugTile);
}
//SRLEncode
public static EncodedTile SRLEncode(RfxProgressiveCodecContext encodingContext, Rdpegfx.RFX_PROGRESSIVE_CODEC_QUANT progQuant)
{
SRLEncoder encoder = new SRLEncoder();
List<short> yDataToSrl = new List<short>();
List<short> cbDataToSrl = new List<short>();
List<short> crDataToSrl = new List<short>();
List<int> yDataToSrlBitLen = new List<int>();
List<int> cbDataToSrlBitLen = new List<int>();
List<int> crDataToSrlBitLen = new List<int>();
BitStream yRawBitStream = new BitStream();
BitStream cbRawBitStream = new BitStream();
BitStream crRawBitStream = new BitStream();
int nonLL3Len = RdpegfxTileUtils.ComponentElementCount - RdpegfxTileUtils.GetBandSize(BandType_Values.LL3, encodingContext.UseReduceExtrapolate);
Rdpegfx.RFX_PROGRESSIVE_CODEC_QUANT prevProgQuant = encodingContext.prevProgQuant;
Rdpegfx.RFX_PROGRESSIVE_CODEC_QUANT curProgQuant = progQuant;
for (int i = 0; i < RdpegfxTileUtils.ComponentElementCount; i++)
{
BandType_Values band = RdpegfxTileUtils.GetBandByIndex(i, encodingContext.UseReduceExtrapolate);
int targetBitPos = RdpegfxTileUtils.GetBitPosFromQuant(curProgQuant.yQuantValues, band);
int prevBitPos = RdpegfxTileUtils.GetBitPosFromQuant(prevProgQuant.yQuantValues, band);
int bitCount = prevBitPos - targetBitPos;
if (bitCount > 0)
{
if (encodingContext.DAS.Y_DwtQ[i] == 0 && i < nonLL3Len)
{
yDataToSrl.Add(encodingContext.ProgQ.Y_DwtQ[i]);
yDataToSrlBitLen.Add(bitCount);
}
else
{
//Add raw data
yRawBitStream.WriteBits(bitCount, Math.Abs(encodingContext.ProgQ.Y_DwtQ[i]));
}
}
targetBitPos = RdpegfxTileUtils.GetBitPosFromQuant(curProgQuant.cbQuantValues, band);
prevBitPos = RdpegfxTileUtils.GetBitPosFromQuant(prevProgQuant.cbQuantValues, band);
bitCount = prevBitPos - targetBitPos;
if (bitCount > 0)
{
if (encodingContext.DAS.Cb_DwtQ[i] == 0 && i < nonLL3Len)
{
cbDataToSrl.Add(encodingContext.ProgQ.Cb_DwtQ[i]);
cbDataToSrlBitLen.Add(bitCount);
}
else
{
//Add raw data
cbRawBitStream.WriteBits(bitCount, Math.Abs(encodingContext.ProgQ.Cb_DwtQ[i]));
}
}
targetBitPos = RdpegfxTileUtils.GetBitPosFromQuant(curProgQuant.crQuantValues, band);
prevBitPos = RdpegfxTileUtils.GetBitPosFromQuant(curProgQuant.crQuantValues, band);
bitCount = prevBitPos - targetBitPos;
if (bitCount > 0)
{
if (encodingContext.DAS.Cr_DwtQ[i] == 0 && i < nonLL3Len)
{
crDataToSrl.Add(encodingContext.ProgQ.Cr_DwtQ[i]);
crDataToSrlBitLen.Add(bitCount);
}
else
{
//Add raw data
crRawBitStream.WriteBits(bitCount, Math.Abs(encodingContext.ProgQ.Cr_DwtQ[i]));
}
}
}
encodingContext.YData = encoder.Encode(yDataToSrl.ToArray(), yDataToSrlBitLen.ToArray());
encodingContext.CbData = encoder.Encode(cbDataToSrl.ToArray(), cbDataToSrlBitLen.ToArray());
encodingContext.CrData = encoder.Encode(crDataToSrl.ToArray(), crDataToSrlBitLen.ToArray());
EncodedTile ugTile = new EncodedTile();
ugTile.YEncodedData = (byte[])encodingContext.YData.Clone();
ugTile.CbEncodedData = (byte[])encodingContext.CbData.Clone();
ugTile.CrEncodedData = (byte[])encodingContext.CrData.Clone();
ugTile.YRawData = yRawBitStream.ToBytes();
ugTile.CbRawData = cbRawBitStream.ToBytes();
ugTile.CrRawData = crRawBitStream.ToBytes();
ugTile.DataType = EncodedTileType.UpgradePass;
ugTile.IsDifferenceTile = encodingContext.UseDifferenceTile;
ugTile.UseReduceExtrapolate = encodingContext.UseReduceExtrapolate;
ugTile.CodecQuantVals = encodingContext.CodecQuantVals;
ugTile.QuantIdxY = encodingContext.QuantIdxY;
ugTile.QuantIdxCb = encodingContext.QuantIdxCb;
ugTile.QuantIdxCr = encodingContext.QuantIdxCr;
ugTile.ProgCodecQuant = curProgQuant;
return ugTile;
}
/// <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
}
}
/// <summary>
/// Decode an encoded tile
/// </summary>
/// <param name="enTile">Represents an encoded tile.</param>
/// <param name="tState">The context state of the tile that going to be decoded.</param>
public static void DecodeTile(EncodedTile enTile, TileState tState)
{
RfxProgressiveCodecContext codecContext = new RfxProgressiveCodecContext(
enTile.CodecQuantVals,
enTile.QuantIdxY,
enTile.QuantIdxCb,
enTile.QuantIdxCr,
enTile.DataType == EncodedTileType.Simple ? false : true,
enTile.IsDifferenceTile,
enTile.UseReduceExtrapolate);
//RLGR/SRL Decode
if (enTile.DataType == EncodedTileType.FirstPass || enTile.DataType == EncodedTileType.Simple)
{ //first pass or simple
codecContext.YData = enTile.YEncodedData;
codecContext.CbData = enTile.CbEncodedData;
codecContext.CrData = enTile.CrEncodedData;
RemoteFXDecoder.RLGRDecode(codecContext);
ComputeOriginalLL3FromDeltas(codecContext);
}
else
{
SRLDecode(codecContext, enTile, tState);
}
//Progressive Dequantization
if (enTile.DataType != EncodedTileType.Simple)
{
ProgressiveDeQuantization(codecContext, enTile.ProgCodecQuant);
}
// Create a DwtTile instance for tri-state
DwtTile triStateDwt = new DwtTile(codecContext.YComponent, codecContext.CbComponent, codecContext.CrComponent,
enTile.CodecQuantVals, enTile.QuantIdxY, enTile.QuantIdxCb, enTile.QuantIdxCr, enTile.UseReduceExtrapolate, enTile.ProgCodecQuant);
//Set Tri-State for progressive codec
if (enTile.DataType == EncodedTileType.FirstPass)
{
//DwtTile tileTriStat = SetTriState(diffDwt, enTile.UseReduceExtrapolate);
tState.UpdateTriState(triStateDwt);
}
else if (enTile.DataType == EncodedTileType.UpgradePass)
{
DwtTile prvStat = tState.GetTriState();
prvStat.Add(triStateDwt);
// update ProCodecQuant
prvStat.ProgCodecQuant = triStateDwt.ProgCodecQuant;
tState.UpdateTriState(prvStat);
}
// Create another DwtTile instance for DWT Data.
// The data in diffDwt is the same as triStateDwt, this will makesure the DWT data and tri-state not share the same DWT tile instance
DwtTile diffDwt = new DwtTile(codecContext.YComponent, codecContext.CbComponent, codecContext.CrComponent,
enTile.CodecQuantVals, enTile.QuantIdxY, enTile.QuantIdxCb, enTile.QuantIdxCr, enTile.UseReduceExtrapolate, enTile.ProgCodecQuant);
//Sum difference
if (enTile.IsDifferenceTile || enTile.DataType == EncodedTileType.UpgradePass)
{
tState.AddDwt(diffDwt);
}
else
{
tState.UpdateDwt(diffDwt);
}
}
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>
/// Decode an encoded tile
/// </summary>
/// <param name="enTile">Represents an encoded tile.</param>
/// <param name="tState">The context state of the tile that going to be decoded.</param>
public static void DecodeTile(EncodedTile enTile, TileState tState)
{
RfxProgressiveCodecContext codecContext = new RfxProgressiveCodecContext(
enTile.CodecQuantVals,
enTile.QuantIdxY,
enTile.QuantIdxCb,
enTile.QuantIdxCr,
enTile.DataType == EncodedTileType.Simple ? false : true,
enTile.IsDifferenceTile,
enTile.UseReduceExtrapolate);
//RLGR/SRL Decode
if (enTile.DataType == EncodedTileType.FirstPass || enTile.DataType == EncodedTileType.Simple)
{ //first pass or simple
codecContext.YData = enTile.YEncodedData;
codecContext.CbData = enTile.CbEncodedData;
codecContext.CrData = enTile.CrEncodedData;
RemoteFXDecoder.RLGRDecode(codecContext);
ComputeOriginalLL3FromDeltas(codecContext);
}
else
{
SRLDecode(codecContext, enTile, tState);
}
//Progressive Dequantization
if (enTile.DataType != EncodedTileType.Simple)
{
ProgressiveDeQuantization(codecContext, enTile.ProgCodecQuant);
}
// Create a DwtTile instance for tri-state
DwtTile triStateDwt = new DwtTile(codecContext.YComponent, codecContext.CbComponent, codecContext.CrComponent,
enTile.CodecQuantVals, enTile.QuantIdxY, enTile.QuantIdxCb, enTile.QuantIdxCr, enTile.UseReduceExtrapolate, enTile.ProgCodecQuant);
//Set Tri-State for progressive codec
if (enTile.DataType == EncodedTileType.FirstPass)
{
//DwtTile tileTriStat = SetTriState(diffDwt, enTile.UseReduceExtrapolate);
tState.UpdateTriState(triStateDwt);
}
else if (enTile.DataType == EncodedTileType.UpgradePass)
{
DwtTile prvStat = tState.GetTriState();
prvStat.Add(triStateDwt);
// update ProCodecQuant
prvStat.ProgCodecQuant = triStateDwt.ProgCodecQuant;
tState.UpdateTriState(prvStat);
}
// Create another DwtTile instance for DWT Data.
// The data in diffDwt is the same as triStateDwt, this will makesure the DWT data and tri-state not share the same DWT tile instance
DwtTile diffDwt = new DwtTile(codecContext.YComponent, codecContext.CbComponent, codecContext.CrComponent,
enTile.CodecQuantVals, enTile.QuantIdxY, enTile.QuantIdxCb, enTile.QuantIdxCr, enTile.UseReduceExtrapolate, enTile.ProgCodecQuant);
//Sum difference
if ( enTile.IsDifferenceTile || enTile.DataType == EncodedTileType.UpgradePass)
{
tState.AddDwt(diffDwt);
}
else
{
tState.UpdateDwt(diffDwt);
}
}
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();
}