common/memops.h

   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_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_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_d24_sSs             (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
  59 void sample_move_d24_sS              (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
  60 void sample_move_d16_sSs             (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
  61 void sample_move_d16_sS              (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
  62
  63 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);
  64 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);
  65 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);
  66 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);
  67 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);
  68 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);
  69 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);
  70 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);
  71 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);
  72 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);
  73 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);
  74 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);
  75 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);
  76 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);
  77 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);
  78 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);
  79 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);
  80 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);
  81
  82 void sample_move_dS_s32u24s          (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
  83 void sample_move_dS_s32u24           (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
  84 void sample_move_dS_s24s             (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
  85 void sample_move_dS_s24              (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
  86 void sample_move_dS_s16s             (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
  87 void sample_move_dS_s16              (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
  88
  89 void sample_merge_d16_sS             (char *dst,  jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
  90 void sample_merge_d32u24_sS          (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
  91
  92 static __inline__ void
  93 sample_merge (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)
  94 {
  95         while (cnt--) {
  96                 *dst += *src;
  97                 dst++;
  98                 src++;
  99         }
 100 }
 101
 102 static __inline__ void
 103 sample_memcpy (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)
 104 {
 105         memcpy (dst, src, cnt * sizeof (jack_default_audio_sample_t));
 106 }
 107
 108 void memset_interleave               (char *dst, char val, unsigned long bytes, unsigned long unit_bytes, unsigned long skip_bytes);
 109 void memcpy_fake                     (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
 110
 111 void memcpy_interleave_d16_s16       (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
 112 void memcpy_interleave_d24_s24       (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
 113 void memcpy_interleave_d32_s32       (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
 114
 115 void merge_memcpy_interleave_d16_s16 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
 116 void merge_memcpy_interleave_d24_s24 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
 117 void merge_memcpy_interleave_d32_s32 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
 118
 119 void merge_memcpy_d16_s16            (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
 120 void merge_memcpy_d32_s32            (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
 121
 122 #ifdef __cplusplus
 123 }
 124 #endif
 125
 126 #endif /* __jack_memops_h__ */