569 lines
18 KiB
C++
569 lines
18 KiB
C++
/*************************************************************************/
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/* reverb_sw.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "reverb_sw.h"
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#include "stdlib.h"
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#include "print_string.h"
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#define SETMIN( x, y ) (x) = MIN ( (x), (y) )
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#define rangeloop( c, min, max ) \
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for ( (c) = (min) ; (c) < (max) ; (c)++ )
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#define ABSDIFF(x, y)\
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( ((x) < (y)) ? ((y) - (x)) : ((x) - (y)) )
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#ifdef bleh_MSC_VER
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#if _MSC_VER >= 1400
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_FORCE_INLINE_ int32_tMULSHIFT_S32 (
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int32_t Factor1,
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int32_t Factor2,
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uint8_t Bits
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) {
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return __ll_rshift (
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__emul ( Factor1, Factor2 ),
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Bits
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);
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}
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#endif
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#else
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#define MULSHIFT_S32( Factor1, Factor2, Bits )\
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( (int) (( (int64_t)(Factor1) * (Factor2) ) >> (Bits)) )
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#endif
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struct ReverbParamsSW {
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unsigned int BufferSize; // Required buffer size
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int gLPF; // Coefficient
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int gEcho0; // Coefficient
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int gEcho1; // Coefficient
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int gEcho2; // Coefficient
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int gEcho3; // Coefficient
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int gWall; // Coefficient
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int gReva; // Coefficient
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int gRevb; // Coefficient
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int gInputL; // Coefficient
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int gInputR; // Coefficient
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unsigned int nRevaOldL; // Offset
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unsigned int nRevaOldR; // Offset
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unsigned int nRevbOldL; // Offset
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unsigned int nRevbOldR; // Offset
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unsigned int nLwlNew; // Offset
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unsigned int nRwrNew; // Offset
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unsigned int nEcho0L; // Offset
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unsigned int nEcho0R; // Offset
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unsigned int nEcho1L; // Offset
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unsigned int nEcho1R; // Offset
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unsigned int nLwlOld; // Offset
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unsigned int nRwrOld; // Offset
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unsigned int nLwrNew; // Offset
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unsigned int nRwlNew; // Offset
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unsigned int nEcho2L; // Offset
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unsigned int nEcho2R; // Offset
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unsigned int nEcho3L; // Offset
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unsigned int nEcho3R; // Offset
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unsigned int nLwrOld; // Offset
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unsigned int nRwlOld; // Offset
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unsigned int nRevaNewL; // Offset
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unsigned int nRevaNewR; // Offset
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unsigned int nRevbNewL; // Offset
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unsigned int nRevbNewR; // Offset
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};
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static ReverbParamsSW reverb_params_Room = {
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0x26C0/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x6D80, 0x54B8, -0x4130, 0x0000, 0x0000, -0x4580,
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// gReva gRevb gInputL gInputR
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0x5800, 0x5300, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x01B4 - 0x007D, 0x0136 - 0x007D, 0x00B8 - 0x005B, 0x005C - 0x005B,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x04D6, 0x0333, 0x03F0, 0x0227, 0x0374, 0x01EF,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x0334, 0x01B5, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x0000, 0x0000, 0x01B4, 0x0136, 0x00B8, 0x005C
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};
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static ReverbParamsSW reverb_params_StudioSmall = {
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0x1F40/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x70F0, 0x4FA8, -0x4320, 0x4410, -0x3F10, -0x6400,
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// gReva gRevb gInputL gInputR
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0x5280, 0x4EC0, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x00B4 - 0x0033, 0x0080 - 0x0033, 0x004C - 0x0025, 0x0026 - 0x0025,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x03E4, 0x031B, 0x03A4, 0x02AF, 0x0372, 0x0266,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x031C, 0x025D, 0x025C, 0x018E, 0x022F, 0x0135, 0x01D2, 0x00B7,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x018F, 0x00B5, 0x00B4, 0x0080, 0x004C, 0x0026
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};
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static ReverbParamsSW reverb_params_StudioMedium = {
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0x4840/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x70F0, 0x4FA8, -0x4320, 0x4510, -0x4110, -0x4B40,
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// gReva gRevb gInputL gInputR
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0x5280, 0x4EC0, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x0264 - 0x00B1, 0x01B2 - 0x00B1, 0x0100 - 0x007F, 0x0080 - 0x007F,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x0904, 0x076B, 0x0824, 0x065F, 0x07A2, 0x0616,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x076C, 0x05ED, 0x05EC, 0x042E, 0x050F, 0x0305, 0x0462, 0x02B7,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x042F, 0x0265, 0x0264, 0x01B2, 0x0100, 0x0080
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};
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static ReverbParamsSW reverb_params_StudioLarge = {
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0x6FE0/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x6F60, 0x4FA8, -0x4320, 0x4510, -0x4110, -0x5980,
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// gReva gRevb gInputL gInputR
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0x5680, 0x52C0, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x031C - 0x00E3, 0x0238 - 0x00E3, 0x0154 - 0x00A9, 0x00AA - 0x00A9,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x0DFB, 0x0B58, 0x0D09, 0x0A3C, 0x0BD9, 0x0973,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x0B59, 0x08DA, 0x08D9, 0x05E9, 0x07EC, 0x04B0, 0x06EF, 0x03D2,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x05EA, 0x031D, 0x031C, 0x0238, 0x0154, 0x00AA
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};
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static ReverbParamsSW reverb_params_Hall = {
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0xADE0/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x6000, 0x5000, 0x4C00, -0x4800, -0x4400, -0x4000,
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// gReva gRevb gInputL gInputR
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0x6000, 0x5C00, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x05C0 - 0x01A5, 0x041A - 0x01A5, 0x0274 - 0x0139, 0x013A - 0x0139,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x15BA, 0x11BB, 0x14C2, 0x10BD, 0x11BC, 0x0DC1,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x11C0, 0x0DC3, 0x0DC0, 0x09C1, 0x0BC4, 0x07C1, 0x0A00, 0x06CD,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x09C2, 0x05C1, 0x05C0, 0x041A, 0x0274, 0x013A
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};
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static ReverbParamsSW reverb_params_SpaceEcho = {
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0xF6C0/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x7E00, 0x5000, -0x4C00, -0x5000, 0x4C00, -0x5000,
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// gReva gRevb gInputL gInputR
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0x6000, 0x5400, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x0AE0 - 0x033D, 0x07A2 - 0x033D, 0x0464 - 0x0231, 0x0232 - 0x0231,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x1ED6, 0x1A31, 0x1D14, 0x183B, 0x1BC2, 0x16B2,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x1A32, 0x15EF, 0x15EE, 0x1055, 0x1334, 0x0F2D, 0x11F6, 0x0C5D,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x1056, 0x0AE1, 0x0AE0, 0x07A2, 0x0464, 0x0232
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};
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static ReverbParamsSW reverb_params_Echo = {
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0x18040/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x7FFF, 0x7FFF, 0x0000, 0x0000, 0x0000, -0x7F00,
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// gReva gRevb gInputL gInputR
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0x0000, 0x0000, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x1004 - 0x0001, 0x1002 - 0x0001, 0x0004 - 0x0001, 0x0002 - 0x0001,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x1FFF, 0x0FFF, 0x1005, 0x0005, 0x0000, 0x0000,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x1005, 0x0005, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x0000, 0x0000, 0x1004, 0x1002, 0x0004, 0x0002
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};
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static ReverbParamsSW reverb_params_Delay = {
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0x18040/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x7FFF, 0x7FFF, 0x0000, 0x0000, 0x0000, 0x0000,
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// gReva gRevb gInputL gInputR
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0x0000, 0x0000, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x1004 - 0x0001, 0x1002 - 0x0001, 0x0004 - 0x0001, 0x0002 - 0x0001,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x1FFF, 0x0FFF, 0x1005, 0x0005, 0x0000, 0x0000,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x1005, 0x0005, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x0000, 0x0000, 0x1004, 0x1002, 0x0004, 0x0002
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};
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static ReverbParamsSW reverb_params_HalfEcho = {
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0x3C00/2,
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// gLPF gEcho0 gEcho1 gEcho2 gEcho3 gWall
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0x70F0, 0x4FA8, -0x4320, 0x4510, -0x4110, -0x7B00,
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// gReva gRevb gInputL gInputR
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0x5F80, 0x54C0, -0x8000, -0x8000,
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// nRevaOldL nRevaOldR nRevbOldL nRevbOldR
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0x0058 - 0x0017, 0x0040 - 0x0017, 0x0028 - 0x0013, 0x0014 - 0x0013,
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// nLwlNew nRwrNew nEcho0L nEcho0R nEcho1L nEcho1R
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0x0371, 0x02AF, 0x02E5, 0x01DF, 0x02B0, 0x01D7,
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// nLwlOld nRwrOld nLwrNew nRwlNew nEcho2L nEcho2R nEcho3L nEcho3R
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0x0358, 0x026A, 0x01D6, 0x011E, 0x012D, 0x00B1, 0x011F, 0x0059,
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// nLwrOld nRwlOld nRevaNewL nRevaNewR nRevbNewL nRevbNewR
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0x01A0, 0x00E3, 0x0058, 0x0040, 0x0028, 0x0014
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};
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static ReverbParamsSW * reverb_param_modes[] = {
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&reverb_params_Room,
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&reverb_params_StudioSmall,
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&reverb_params_StudioMedium,
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&reverb_params_StudioLarge,
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&reverb_params_Hall,
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&reverb_params_SpaceEcho,
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&reverb_params_Echo,
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&reverb_params_Delay,
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&reverb_params_HalfEcho,
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};
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bool ReverbSW::process(int *p_input,int *p_output,int p_frames,int p_stereo_stride) {
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if (!reverb_buffer)
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return false;
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|
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//
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// p_input must point to a non-looping buffer.
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// BOTH p_input and p_output must be touched (use ClearModuleBuffer).
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LOCAL MACROS <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>۲
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|
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#undef LM_SETSRCOFFSET
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#define LM_SETSRCOFFSET(x) \
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(x) = current_params->x + Offset; \
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if ( (x) >= reverb_buffer_size ) { \
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(x) -= reverb_buffer_size; \
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} \
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SETMIN ( aSample, reverb_buffer_size - (x) );
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|
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/*
|
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#undef LM_SETSRCOFFSET2
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#define LM_SETSRCOFFSET2(x,y) \
|
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(x) = ((y) << 3) >> HZShift; \
|
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(x) += Offset; \
|
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if ( (x) >= reverb_buffer_size ) { \
|
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(x) -= reverb_buffer_size; \
|
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} \
|
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SETMIN ( aSample, reverb_buffer_size - (x) );
|
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*/
|
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#undef LM_SRCADVANCE
|
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#define LM_SRCADVANCE(x) \
|
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(x) += aSample;
|
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|
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#undef LM_MUL
|
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#define LM_MUL(x,y) \
|
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MULSHIFT_S32 ( x, current_params->y, 15 )
|
||
|
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#undef LM_REVERB
|
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#define LM_REVERB(x) reverb_buffer[ (x) + cSample ]
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LOCAL VARIABLES <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>۲
|
||
|
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unsigned int Offset;
|
||
|
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int lwl, lwr, rwl, rwr;
|
||
// unsigned char HZShift;
|
||
|
||
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CODE <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>۲
|
||
|
||
|
||
lwl = state.lwl;
|
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lwr = state.lwr;
|
||
rwl = state.rwl;
|
||
rwr = state.rwr;
|
||
Offset = state.Offset;
|
||
|
||
int max=0;
|
||
|
||
while ( p_frames ) {
|
||
|
||
// Offsets
|
||
|
||
unsigned int nLwlOld;
|
||
unsigned int nRwrOld;
|
||
unsigned int nLwlNew;
|
||
unsigned int nRwrNew;
|
||
|
||
unsigned int nLwrOld;
|
||
unsigned int nRwlOld;
|
||
unsigned int nLwrNew;
|
||
unsigned int nRwlNew;
|
||
|
||
unsigned int nEcho0L;
|
||
unsigned int nEcho1L;
|
||
unsigned int nEcho2L;
|
||
unsigned int nEcho3L;
|
||
|
||
unsigned int nEcho0R;
|
||
unsigned int nEcho1R;
|
||
unsigned int nEcho2R;
|
||
unsigned int nEcho3R;
|
||
|
||
unsigned int nRevaOldL;
|
||
unsigned int nRevaOldR;
|
||
unsigned int nRevbOldL;
|
||
unsigned int nRevbOldR;
|
||
|
||
unsigned int nRevaNewL;
|
||
unsigned int nRevaNewR;
|
||
unsigned int nRevbNewL;
|
||
unsigned int nRevbNewR;
|
||
|
||
// Other variables
|
||
|
||
unsigned int aSample = p_frames;
|
||
|
||
// Set initial offsets
|
||
|
||
LM_SETSRCOFFSET ( nLwlOld );
|
||
LM_SETSRCOFFSET ( nRwrOld );
|
||
LM_SETSRCOFFSET ( nLwlNew );
|
||
LM_SETSRCOFFSET ( nRwrNew );
|
||
LM_SETSRCOFFSET ( nLwrOld );
|
||
LM_SETSRCOFFSET ( nRwlOld );
|
||
LM_SETSRCOFFSET ( nLwrNew );
|
||
LM_SETSRCOFFSET ( nRwlNew );
|
||
LM_SETSRCOFFSET ( nEcho0L );
|
||
LM_SETSRCOFFSET ( nEcho1L );
|
||
LM_SETSRCOFFSET ( nEcho2L );
|
||
LM_SETSRCOFFSET ( nEcho3L );
|
||
LM_SETSRCOFFSET ( nEcho0R );
|
||
LM_SETSRCOFFSET ( nEcho1R );
|
||
LM_SETSRCOFFSET ( nEcho2R );
|
||
LM_SETSRCOFFSET ( nEcho3R );
|
||
LM_SETSRCOFFSET ( nRevaOldL );
|
||
LM_SETSRCOFFSET ( nRevaOldR );
|
||
LM_SETSRCOFFSET ( nRevbOldL );
|
||
LM_SETSRCOFFSET ( nRevbOldR );
|
||
LM_SETSRCOFFSET ( nRevaNewL );
|
||
LM_SETSRCOFFSET ( nRevaNewR );
|
||
LM_SETSRCOFFSET ( nRevbNewL );
|
||
LM_SETSRCOFFSET ( nRevbNewR );
|
||
|
||
//SETMIN ( aSample, p_output.Size - p_output.Offset );
|
||
|
||
for (unsigned int cSample=0;cSample<aSample;cSample++) {
|
||
|
||
int tempL0, tempL1, tempR0, tempR1;
|
||
|
||
tempL1 = p_input[(cSample<<p_stereo_stride)]>>8;
|
||
tempR1 = p_input[(cSample<<p_stereo_stride) + 1]>>8;
|
||
|
||
tempL0 = LM_MUL ( tempL1, gInputL );
|
||
tempR0 = LM_MUL ( tempR1, gInputR );
|
||
|
||
/*
|
||
Left -> Wall -> Left Reflection
|
||
*/
|
||
tempL1 = tempL0 + LM_MUL ( LM_REVERB( nLwlOld ), gWall );
|
||
tempR1 = tempR0 + LM_MUL ( LM_REVERB( nRwrOld ), gWall );
|
||
lwl += LM_MUL ( tempL1 - lwl, gLPF );
|
||
rwr += LM_MUL ( tempR1 - rwr, gLPF );
|
||
LM_REVERB( nLwlNew ) = lwl;
|
||
LM_REVERB( nRwrNew ) = rwr;
|
||
/*
|
||
Left -> Wall -> Right Reflection
|
||
*/
|
||
tempL1 = tempL0 + LM_MUL ( LM_REVERB( nRwlOld ), gWall );
|
||
tempR1 = tempR0 + LM_MUL ( LM_REVERB( nLwrOld ), gWall );
|
||
lwr += LM_MUL ( tempL1 - lwr, gLPF );
|
||
rwl += LM_MUL ( tempR1 - rwl, gLPF );
|
||
LM_REVERB( nLwrNew ) = lwr;
|
||
LM_REVERB( nRwlNew ) = rwl;
|
||
/*
|
||
Early Echo(Early Reflection)
|
||
*/
|
||
tempL0 =
|
||
LM_MUL ( LM_REVERB( nEcho0L ), gEcho0 ) +
|
||
LM_MUL ( LM_REVERB( nEcho1L ), gEcho1 ) +
|
||
LM_MUL ( LM_REVERB( nEcho2L ), gEcho2 ) +
|
||
LM_MUL ( LM_REVERB( nEcho3L ), gEcho3 );
|
||
tempR0 =
|
||
LM_MUL ( LM_REVERB( nEcho0R ), gEcho0 ) +
|
||
LM_MUL ( LM_REVERB( nEcho1R ), gEcho1 ) +
|
||
LM_MUL ( LM_REVERB( nEcho2R ), gEcho2 ) +
|
||
LM_MUL ( LM_REVERB( nEcho3R ), gEcho3 );
|
||
/*
|
||
Late Reverb
|
||
*/
|
||
tempL1 = LM_REVERB( nRevaOldL );
|
||
tempR1 = LM_REVERB( nRevaOldR );
|
||
tempL0 -= LM_MUL ( tempL1, gReva );
|
||
tempR0 -= LM_MUL ( tempR1, gReva );
|
||
LM_REVERB( nRevaNewL ) = tempL0;
|
||
LM_REVERB( nRevaNewR ) = tempR0;
|
||
tempL0 = LM_MUL ( tempL0, gReva ) + tempL1;
|
||
tempR0 = LM_MUL ( tempR0, gReva ) + tempR1;
|
||
tempL1 = LM_REVERB( nRevbOldL );
|
||
tempR1 = LM_REVERB( nRevbOldR );
|
||
tempL0 -= LM_MUL ( tempL1, gRevb );
|
||
tempR0 -= LM_MUL ( tempR1, gRevb );
|
||
LM_REVERB( nRevbNewL ) = tempL0;
|
||
LM_REVERB( nRevbNewR ) = tempR0;
|
||
tempL0 = LM_MUL ( tempL0, gRevb ) + tempL1;
|
||
tempR0 = LM_MUL ( tempR0, gRevb ) + tempR1;
|
||
/*
|
||
Output
|
||
*/
|
||
|
||
max|=abs(tempL0);
|
||
max|=abs(tempR0);
|
||
|
||
p_output[(cSample<<p_stereo_stride)] += tempL0<<8;
|
||
p_output[(cSample<<p_stereo_stride) + 1] += tempR0<<8;
|
||
|
||
}
|
||
|
||
// Advance offsets
|
||
|
||
Offset += aSample;
|
||
if ( Offset >= reverb_buffer_size ) { Offset -= reverb_buffer_size; }
|
||
|
||
p_input += aSample << p_stereo_stride;
|
||
p_output += aSample << p_stereo_stride;
|
||
|
||
p_frames -= aSample;
|
||
}
|
||
|
||
state.lwl = lwl;
|
||
state.lwr = lwr;
|
||
state.rwl = rwl;
|
||
state.rwr = rwr;
|
||
state.Offset = Offset;
|
||
|
||
return (max&0x7FFFFF00)!=0; // audio was mixed?
|
||
}
|
||
|
||
void ReverbSW::adjust_current_params() {
|
||
|
||
*current_params=*reverb_param_modes[mode];
|
||
|
||
uint32_t maxofs=0;
|
||
|
||
#define LM_CONFIG_PARAM( x )\
|
||
current_params->x=(int)( ( (int64_t)current_params->x*(int64_t)mix_rate*8L)/(int64_t)44100);\
|
||
if (current_params->x>maxofs)\
|
||
maxofs=current_params->x;
|
||
|
||
|
||
LM_CONFIG_PARAM ( nLwlOld );
|
||
LM_CONFIG_PARAM ( nRwrOld );
|
||
LM_CONFIG_PARAM ( nLwlNew );
|
||
LM_CONFIG_PARAM ( nRwrNew );
|
||
LM_CONFIG_PARAM ( nLwrOld );
|
||
LM_CONFIG_PARAM ( nRwlOld );
|
||
LM_CONFIG_PARAM ( nLwrNew );
|
||
LM_CONFIG_PARAM ( nRwlNew );
|
||
LM_CONFIG_PARAM ( nEcho0L );
|
||
LM_CONFIG_PARAM ( nEcho1L );
|
||
LM_CONFIG_PARAM ( nEcho2L );
|
||
LM_CONFIG_PARAM ( nEcho3L );
|
||
LM_CONFIG_PARAM ( nEcho0R );
|
||
LM_CONFIG_PARAM ( nEcho1R );
|
||
LM_CONFIG_PARAM ( nEcho2R );
|
||
LM_CONFIG_PARAM ( nEcho3R );
|
||
LM_CONFIG_PARAM ( nRevaOldL );
|
||
LM_CONFIG_PARAM ( nRevaOldR );
|
||
LM_CONFIG_PARAM ( nRevbOldL );
|
||
LM_CONFIG_PARAM ( nRevbOldR );
|
||
LM_CONFIG_PARAM ( nRevaNewL );
|
||
LM_CONFIG_PARAM ( nRevaNewR );
|
||
LM_CONFIG_PARAM ( nRevbNewL );
|
||
LM_CONFIG_PARAM ( nRevbNewR );
|
||
|
||
int needed_buffer_size=maxofs+1;
|
||
if (reverb_buffer)
|
||
memdelete_arr(reverb_buffer);
|
||
|
||
reverb_buffer = memnew_arr(int,needed_buffer_size);
|
||
reverb_buffer_size=needed_buffer_size;
|
||
|
||
for (uint32_t i=0;i<reverb_buffer_size;i++)
|
||
reverb_buffer[i]=0;
|
||
|
||
state.reset();
|
||
|
||
|
||
}
|
||
|
||
void ReverbSW::set_mode(ReverbMode p_mode) {
|
||
|
||
if (mode==p_mode)
|
||
return;
|
||
|
||
mode=p_mode;
|
||
|
||
adjust_current_params();
|
||
}
|
||
|
||
void ReverbSW::set_mix_rate(int p_mix_rate) {
|
||
|
||
if (p_mix_rate==mix_rate)
|
||
return;
|
||
|
||
mix_rate=p_mix_rate;
|
||
|
||
adjust_current_params();
|
||
|
||
}
|
||
|
||
|
||
ReverbSW::ReverbSW() {
|
||
|
||
reverb_buffer=0;
|
||
reverb_buffer_size=0;
|
||
mode=REVERB_MODE_ROOM;
|
||
mix_rate=1;
|
||
current_params = memnew(ReverbParamsSW);
|
||
}
|
||
|
||
|
||
ReverbSW::~ReverbSW() {
|
||
|
||
|
||
if (reverb_buffer)
|
||
memdelete_arr(reverb_buffer);
|
||
|
||
memdelete(current_params);
|
||
|
||
}
|
||
|