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teensy-audio/effect_freeverb.h

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  1. /* Audio Library for Teensy 3.X

  2.  * Copyright (c) 2018, Paul Stoffregen, paul@pjrc.com

  3.  *

  4.  * Development of this audio library was funded by PJRC.COM, LLC by sales of

  5.  * Teensy and Audio Adaptor boards.  Please support PJRC's efforts to develop

  6.  * open source software by purchasing Teensy or other PJRC products.

  7.  *

  8.  * Permission is hereby granted, free of charge, to any person obtaining a copy

  9.  * of this software and associated documentation files (the "Software"), to deal

  10.  * in the Software without restriction, including without limitation the rights

  11.  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

  12.  * copies of the Software, and to permit persons to whom the Software is

  13.  * furnished to do so, subject to the following conditions:

  14.  *

  15.  * The above copyright notice, development funding notice, and this permission

  16.  * notice shall be included in all copies or substantial portions of the Software.

  17.  *

  18.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  19.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  20.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  21.  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  22.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  23.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

  24.  * THE SOFTWARE.

  25.  */

  26. 

  27. #ifndef effect_freeverb_h_

  28. #define effect_freeverb_h_

  29. #include <Arduino.h>

  30. #include "AudioStream.h"

  31. 

  32. class AudioEffectFreeverb : public AudioStream

  33. {

  34. public:

  35. 	//AudioEffectFreeverb() : AudioStream(1, inputQueueArray);

  36. 	AudioEffectFreeverb();

  37. 	virtual void update();

  38. private:

  39. 	audio_block_t *inputQueueArray[2];

  40. 	int16_t comb1buf[1116];

  41. 	int16_t comb2buf[1188];

  42. 	int16_t comb3buf[1277];

  43. 	int16_t comb4buf[1356];

  44. 	int16_t comb5buf[1422];

  45. 	int16_t comb6buf[1491];

  46. 	int16_t comb7buf[1557];

  47. 	int16_t comb8buf[1617];

  48. 	uint16_t comb1index;

  49. 	uint16_t comb2index;

  50. 	uint16_t comb3index;

  51. 	uint16_t comb4index;

  52. 	uint16_t comb5index;

  53. 	uint16_t comb6index;

  54. 	uint16_t comb7index;

  55. 	uint16_t comb8index;

  56. 	int16_t comb1filter;

  57. 	int16_t comb2filter;

  58. 	int16_t comb3filter;

  59. 	int16_t comb4filter;

  60. 	int16_t comb5filter;

  61. 	int16_t comb6filter;

  62. 	int16_t comb7filter;

  63. 	int16_t comb8filter;

  64. 	int16_t combdamp1;

  65. 	int16_t combdamp2;

  66. 	int16_t combfeeback;

  67. 	int16_t allpass1buf[556];

  68. 	int16_t allpass2buf[441];

  69. 	int16_t allpass3buf[341];

  70. 	int16_t allpass4buf[225];

  71. 	uint16_t allpass1index;

  72. 	uint16_t allpass2index;

  73. 	uint16_t allpass3index;

  74. 	uint16_t allpass4index;

  75. };

  76. 

  77. #endif