d8223ffa75
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!
(cherry picked from commit c7bc44d5ad)
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) 2007-2017 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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// 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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#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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#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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#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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|
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#undef LM_REVERB
|
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#define LM_REVERB(x) reverb_buffer[ (x) + cSample ]
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|
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// <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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|
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int lwl, lwr, rwl, rwr;
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// unsigned char HZShift;
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// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>CODE <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>۲
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lwl = state.lwl;
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lwr = state.lwr;
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rwl = state.rwl;
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rwr = state.rwr;
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Offset = state.Offset;
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int max=0;
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|
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while ( p_frames ) {
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// Offsets
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|
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unsigned int nLwlOld;
|
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unsigned int nRwrOld;
|
||
unsigned int nLwlNew;
|
||
unsigned int nRwrNew;
|
||
|
||
unsigned int nLwrOld;
|
||
unsigned int nRwlOld;
|
||
unsigned int nLwrNew;
|
||
unsigned int nRwlNew;
|
||
|
||
unsigned int nEcho0L;
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||
unsigned int nEcho1L;
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unsigned int nEcho2L;
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unsigned int nEcho3L;
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unsigned int nEcho0R;
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unsigned int nEcho1R;
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unsigned int nEcho2R;
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unsigned int nEcho3R;
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unsigned int nRevaOldL;
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unsigned int nRevaOldR;
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unsigned int nRevbOldL;
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unsigned int nRevbOldR;
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||
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unsigned int nRevaNewL;
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unsigned int nRevaNewR;
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unsigned int nRevbNewL;
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unsigned int nRevbNewR;
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// Other variables
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unsigned int aSample = p_frames;
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// Set initial offsets
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LM_SETSRCOFFSET ( nLwlOld );
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LM_SETSRCOFFSET ( nRwrOld );
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LM_SETSRCOFFSET ( nLwlNew );
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LM_SETSRCOFFSET ( nRwrNew );
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LM_SETSRCOFFSET ( nLwrOld );
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LM_SETSRCOFFSET ( nRwlOld );
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LM_SETSRCOFFSET ( nLwrNew );
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LM_SETSRCOFFSET ( nRwlNew );
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LM_SETSRCOFFSET ( nEcho0L );
|
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LM_SETSRCOFFSET ( nEcho1L );
|
||
LM_SETSRCOFFSET ( nEcho2L );
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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);
|
||
|
||
}
|
||
|