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jack1/include/memops.h

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  1. /*

  2.     Copyright (C) 1999-2000 Paul Davis

  3. 

  4.     This program is free software; you can redistribute it and/or modify

  5.     it under the terms of the GNU General Public License as published by

  6.     the Free Software Foundation; either version 2 of the License, or

  7.     (at your option) any later version.

  8. 

  9.     This program is distributed in the hope that it will be useful,

  10.     but WITHOUT ANY WARRANTY; without even the implied warranty of

  11.     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  12.     GNU General Public License for more details.

  13. 

  14.     You should have received a copy of the GNU General Public License

  15.     along with this program; if not, write to the Free Software

  16.     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

  17. 

  18.  */

  19. 

  20. #ifndef __jack_memops_h__

  21. #define __jack_memops_h__

  22. 

  23. #include <jack/types.h>

  24. 

  25. typedef enum  {

  26. 	None,

  27. 	Rectangular,

  28. 	Triangular,

  29. 	Shaped

  30. } DitherAlgorithm;

  31. 

  32. #define DITHER_BUF_SIZE 8

  33. #define DITHER_BUF_MASK 7

  34. 

  35. typedef struct {

  36. 	unsigned int depth;

  37. 	float rm1;

  38. 	unsigned int idx;

  39. 	float e[DITHER_BUF_SIZE];

  40. } dither_state_t;

  41. 

  42. /* float functions */

  43. void sample_move_floatLE_sSs(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long dst_skip);

  44. void sample_move_dS_floatLE(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  45. 

  46. /* integer functions */

  47. void sample_move_d32u24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  48. void sample_move_d32u24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  49. void sample_move_d24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  50. void sample_move_d24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  51. void sample_move_d16_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  52. void sample_move_d16_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  53. 

  54. void sample_move_dither_rect_d32u24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  55. void sample_move_dither_rect_d32u24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  56. void sample_move_dither_tri_d32u24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  57. void sample_move_dither_tri_d32u24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  58. void sample_move_dither_shaped_d32u24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  59. void sample_move_dither_shaped_d32u24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  60. void sample_move_dither_rect_d24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  61. void sample_move_dither_rect_d24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  62. void sample_move_dither_tri_d24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  63. void sample_move_dither_tri_d24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  64. void sample_move_dither_shaped_d24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  65. void sample_move_dither_shaped_d24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  66. void sample_move_dither_rect_d16_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  67. void sample_move_dither_rect_d16_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  68. void sample_move_dither_tri_d16_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  69. void sample_move_dither_tri_d16_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  70. void sample_move_dither_shaped_d16_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  71. void sample_move_dither_shaped_d16_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  72. 

  73. void sample_move_dS_s32u24s(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

  74. void sample_move_dS_s32u24(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

  75. void sample_move_dS_s24s(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

  76. void sample_move_dS_s24(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

  77. void sample_move_dS_s16s(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

  78. void sample_move_dS_s16(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

  79. 

  80. void sample_merge_d16_sS(char *dst,  jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  81. void sample_merge_d32u24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  82. 

  83. static __inline__ void

  84. sample_merge (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)

  85. 

  86. {

  87. 	while (cnt--) {

  88. 		*dst += *src;

  89. 		dst++;

  90. 		src++;

  91. 	}

  92. }

  93. 

  94. static __inline__ void

  95. sample_memcpy (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)

  96. 

  97. {

  98. 	memcpy (dst, src, cnt * sizeof(jack_default_audio_sample_t));

  99. }

  100. 

  101. void memset_interleave(char *dst, char val, unsigned long bytes, unsigned long unit_bytes, unsigned long skip_bytes);

  102. void memcpy_fake(char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);

  103. 

  104. void memcpy_interleave_d16_s16(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);

  105. void memcpy_interleave_d24_s24(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);

  106. void memcpy_interleave_d32_s32(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);

  107. 

  108. void merge_memcpy_interleave_d16_s16(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);

  109. void merge_memcpy_interleave_d24_s24(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);

  110. void merge_memcpy_interleave_d32_s32(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);

  111. 

  112. void merge_memcpy_d16_s16(char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);

  113. void merge_memcpy_d32_s32(char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);

  114. 

  115. #endif /* __jack_memops_h__ */