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jack2/common/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 "types.h"

  24. 

  25. #ifdef __cplusplus

  26. extern "C"

  27. {

  28. #endif

  29. 

  30. #ifdef sun

  31. #define __inline__

  32. #endif

  33. 

  34. typedef	enum  {

  35. 	None,

  36. 	Rectangular,

  37. 	Triangular,

  38. 	Shaped

  39. } DitherAlgorithm;

  40. 

  41. #define DITHER_BUF_SIZE 8

  42. #define DITHER_BUF_MASK 7

  43. 

  44. typedef struct {

  45.     unsigned int depth;

  46.     float rm1;

  47.     unsigned int idx;

  48.     float e[DITHER_BUF_SIZE];

  49. } dither_state_t;

  50. 

  51. /* float functions */

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

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

  54. 

  55. /* integer functions */

  56. void sample_move_d32_sSs             (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  57. void sample_move_d32_sS              (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  58. void sample_move_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_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_d32l24_sSs          (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  61. void sample_move_d32l24_sS           (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

  62. void sample_move_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_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_d16_sSs             (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);

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

  66. 

  67. 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);

  68. 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);

  69. 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);

  70. 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);

  71. 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);

  72. 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);

  73. 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);

  74. 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);

  75. 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);

  76. 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);

  77. 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);

  78. 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);

  79. 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);

  80. 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);

  81. 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);

  82. 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);

  83. 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);

  84. 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);

  85. 

  86. void sample_move_dS_s32s             (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

  87. void sample_move_dS_s32              (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

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

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

  90. void sample_move_dS_s32l24s          (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

  91. void sample_move_dS_s32l24           (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);

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

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

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

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

  96. 

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

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

  99. 

  100. static __inline__ void

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

  102. {

  103. 	while (cnt--) {

  104. 		*dst += *src;

  105. 		dst++;

  106. 		src++;

  107. 	}

  108. }

  109. 

  110. static __inline__ void

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

  112. {

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

  114. }

  115. 

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

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

  118. 

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

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

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

  122. 

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

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

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

  126. 

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

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

  129. 

  130. #ifdef __cplusplus

  131. }

  132. #endif

  133. 

  134. #endif /* __jack_memops_h__ */