traverso: Traverso/cvs/traverso/src/engine/memops.h Source File

00001 /*
00002     Copyright (C) 1999-2000 Paul Davis 
00003 
00004     This program is free software; you can redistribute it and/or modify
00005     it under the terms of the GNU General Public License as published by
00006     the Free Software Foundation; either version 2 of the License, or
00007     (at your option) any later version.
00008 
00009     This program is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012     GNU General Public License for more details.
00013 
00014     You should have received a copy of the GNU General Public License
00015     along with this program; if not, write to the Free Software
00016     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA.
00017 
00018     $Id: memops.h,v 1.2 2008/01/15 19:51:49 r_sijrier Exp $
00019 */
00020 
00021 #ifndef __jack_memops_h__
00022 #define __jack_memops_h__
00023 
00024 #include <string.h>
00025 #include "defines.h"
00026 
00027 typedef enum  {
00028         None,
00029         Rectangular,
00030         Triangular,
00031         Shaped
00032 } DitherAlgorithm;
00033 
00034 #define DITHER_BUF_SIZE 8
00035 #define DITHER_BUF_MASK 7
00036 
00037 typedef struct {
00038     unsigned int depth;
00039     float rm1;
00040     unsigned int idx;
00041     float e[DITHER_BUF_SIZE];
00042 } dither_state_t;
00043 
00044 
00045 void sample_move_d32u24_sSs          (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00046 void sample_move_d32u24_sS           (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00047 void sample_move_d24_sS              (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00048 void sample_move_d24_sSs             (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00049 void sample_move_d16_sS              (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00050 void sample_move_d16_sSs             (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00051 
00052 void sample_move_dither_rect_d32u24_sSs   (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00053 void sample_move_dither_rect_d32u24_sS   (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00054 void sample_move_dither_tri_d32u24_sSs    (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00055 void sample_move_dither_tri_d32u24_sS    (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00056 void sample_move_dither_shaped_d32u24_sSs (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00057 void sample_move_dither_shaped_d32u24_sS (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00058 void sample_move_dither_rect_d24_sS      (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00059 void sample_move_dither_rect_d24_sSs     (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00060 void sample_move_dither_tri_d24_sS       (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00061 void sample_move_dither_tri_d24_sSs      (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00062 void sample_move_dither_shaped_d24_sSs   (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00063 void sample_move_dither_shaped_d24_sS    (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00064 void sample_move_dither_rect_d16_sS      (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00065 void sample_move_dither_rect_d16_sSs     (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00066 void sample_move_dither_tri_d16_sS       (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00067 void sample_move_dither_tri_d16_sSs      (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00068 void sample_move_dither_shaped_d16_sS    (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00069 void sample_move_dither_shaped_d16_sSs   (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00070 
00071 void sample_move_dS_s32u24s          (audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00072 void sample_move_dS_s32u24           (audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00073 void sample_move_dS_s24              (audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00074 void sample_move_dS_s24s             (audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00075 void sample_move_dS_s16              (audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00076 void sample_move_dS_s16s             (audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00077 
00078 void sample_merge_d16_sS             (char *dst,  audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00079 void sample_merge_d32u24_sS          (char *dst, audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00080 
00081 static __inline__ void
00082 sample_merge (audio_sample_t *dst, audio_sample_t *src, unsigned long cnt)
00083 
00084 {
00085         while (cnt--) {
00086                 *dst += *src;
00087                 dst++;
00088                 src++;
00089         }
00090 }
00091 
00092 static __inline__ void
00093 sample_memcpy (audio_sample_t *dst, audio_sample_t *src, unsigned long cnt)
00094 
00095 {
00096         memcpy (dst, src, cnt * sizeof (audio_sample_t));
00097 }
00098 
00099 void memset_interleave               (char *dst, char val, unsigned long bytes, unsigned long unit_bytes, unsigned long skip_bytes);
00100 void memcpy_fake                     (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00101 
00102 void memcpy_interleave_d16_s16       (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00103 void memcpy_interleave_d24_s24       (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00104 void memcpy_interleave_d32_s32       (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00105 
00106 void merge_memcpy_interleave_d16_s16 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00107 void merge_memcpy_interleave_d24_s24 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00108 void merge_memcpy_interleave_d32_s32 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00109 
00110 void merge_memcpy_d16_s16            (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00111 void merge_memcpy_d32_s32            (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00112 
00113 #endif /* __jack_memops_h__ */