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/*
Copyright (C) 1999-2000 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __jack_memops_h__
#define __jack_memops_h__
#include <jack/types.h>
typedef enum {
None,
Rectangular,
Triangular,
Shaped
} DitherAlgorithm;
#define DITHER_BUF_SIZE 8
#define DITHER_BUF_MASK 7
typedef struct {
unsigned int depth;
float rm1;
unsigned int idx;
float e[DITHER_BUF_SIZE];
} dither_state_t;
/* float functions */
void sample_move_floatLE_sSs(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long dst_skip);
void sample_move_dS_floatLE(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
/* integer functions */
void sample_move_d32u24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
void sample_move_d32u24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
void sample_move_d24_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
void sample_move_d24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
void sample_move_d16_sSs(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
void sample_move_d16_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);
void sample_move_dS_s32u24s(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
void sample_move_dS_s32u24(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
void sample_move_dS_s24s(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
void sample_move_dS_s24(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
void sample_move_dS_s16s(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
void sample_move_dS_s16(jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
void sample_merge_d16_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
void sample_merge_d32u24_sS(char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
static __inline__ void
sample_merge (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)
{
while (cnt--) {
*dst += *src;
dst++;
src++;
}
}
static __inline__ void
sample_memcpy (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)
{
memcpy (dst, src, cnt * sizeof(jack_default_audio_sample_t));
}
void memset_interleave(char *dst, char val, unsigned long bytes, unsigned long unit_bytes, unsigned long skip_bytes);
void memcpy_fake(char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
void memcpy_interleave_d16_s16(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
void memcpy_interleave_d24_s24(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
void memcpy_interleave_d32_s32(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
void merge_memcpy_interleave_d16_s16(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
void merge_memcpy_interleave_d24_s24(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
void merge_memcpy_interleave_d32_s32(char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
void merge_memcpy_d16_s16(char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
void merge_memcpy_d32_s32(char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
#endif /* __jack_memops_h__ */
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