コード例 #1
0
        //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;
        }
コード例 #2
0
        //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);
        }