/// <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(); }