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00020
00021 #ifndef __jack_memops_h__
00022 #define __jack_memops_h__
00023
00024 #include "types.h"
00025
00026 typedef enum {
00027 None,
00028 Rectangular,
00029 Triangular,
00030 Shaped
00031 } DitherAlgorithm;
00032
00033 #define DITHER_BUF_SIZE 8
00034 #define DITHER_BUF_MASK 7
00035
00036 typedef struct {
00037 unsigned int depth;
00038 float rm1;
00039 unsigned int idx;
00040 float e[DITHER_BUF_SIZE];
00041 } dither_state_t;
00042
00043 #ifdef __cplusplus
00044 extern "C"
00045 {
00046 #endif
00047
00048 void sample_move_d32u24_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00049 void sample_move_d32u24_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00050 void sample_move_d24_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00051 void sample_move_d24_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00052 void sample_move_d16_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00053 void sample_move_d16_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00054
00055 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);
00056 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);
00057 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);
00058 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);
00059 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);
00060 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);
00061 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);
00062 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);
00063 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);
00064 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);
00065 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);
00066 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);
00067 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);
00068 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);
00069 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);
00070 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);
00071 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);
00072 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);
00073
00074 void sample_move_dS_s32u24s (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00075 void sample_move_dS_s32u24 (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00076 void sample_move_dS_s24s (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00077 void sample_move_dS_s24 (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00078 void sample_move_dS_s16s (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00079 void sample_move_dS_s16 (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00080
00081 void sample_merge_d16_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00082 void sample_merge_d32u24_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00083
00084 static __inline__ void
00085 sample_merge (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)
00086
00087 {
00088 while (cnt--) {
00089 *dst += *src;
00090 dst++;
00091 src++;
00092 }
00093 }
00094
00095 static __inline__ void
00096 sample_memcpy (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)
00097
00098 {
00099 memcpy (dst, src, cnt * sizeof (jack_default_audio_sample_t));
00100 }
00101
00102 void memset_interleave (char *dst, char val, unsigned long bytes, unsigned long unit_bytes, unsigned long skip_bytes);
00103 void memcpy_fake (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00104
00105 void memcpy_interleave_d16_s16 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00106 void memcpy_interleave_d24_s24 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00107 void memcpy_interleave_d32_s32 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00108
00109 void merge_memcpy_interleave_d16_s16 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00110 void merge_memcpy_interleave_d24_s24 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00111 void merge_memcpy_interleave_d32_s32 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00112
00113 void merge_memcpy_d16_s16 (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00114 void merge_memcpy_d32_s32 (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00115
00116 #ifdef __cplusplus
00117 }
00118 #endif
00119 #endif