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00020 #ifndef __jack_memops_h__
00021 #define __jack_memops_h__
00022
00023 #include "types.h"
00024
00025 #ifdef __cplusplus
00026 extern "C"
00027 {
00028 #endif
00029
00030 typedef enum {
00031 None,
00032 Rectangular,
00033 Triangular,
00034 Shaped
00035 } DitherAlgorithm;
00036
00037 #define DITHER_BUF_SIZE 8
00038 #define DITHER_BUF_MASK 7
00039
00040 typedef struct {
00041 unsigned int depth;
00042 float rm1;
00043 unsigned int idx;
00044 float e[DITHER_BUF_SIZE];
00045 } dither_state_t;
00046
00047
00048 void sample_move_floatLE_sSs (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long dst_skip);
00049 void sample_move_dS_floatLE (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00050
00051
00052 void sample_move_d32u24_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00053 void sample_move_d32u24_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00054 void sample_move_d24_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00055 void sample_move_d24_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00056 void sample_move_d16_sSs (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00057 void sample_move_d16_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00058
00059 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);
00060 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);
00061 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);
00062 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);
00063 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);
00064 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);
00065 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);
00066 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);
00067 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);
00068 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);
00069 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);
00070 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);
00071 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);
00072 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);
00073 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);
00074 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);
00075 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);
00076 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);
00077
00078 void sample_move_dS_s32u24s (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00079 void sample_move_dS_s32u24 (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00080 void sample_move_dS_s24s (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00081 void sample_move_dS_s24 (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00082 void sample_move_dS_s16s (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00083 void sample_move_dS_s16 (jack_default_audio_sample_t *dst, char *src, unsigned long nsamples, unsigned long src_skip);
00084
00085 void sample_merge_d16_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00086 void sample_merge_d32u24_sS (char *dst, jack_default_audio_sample_t *src, unsigned long nsamples, unsigned long dst_skip, dither_state_t *state);
00087
00088 static __inline__ void
00089 sample_merge (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)
00090
00091 {
00092 while (cnt--) {
00093 *dst += *src;
00094 dst++;
00095 src++;
00096 }
00097 }
00098
00099 static __inline__ void
00100 sample_memcpy (jack_default_audio_sample_t *dst, jack_default_audio_sample_t *src, unsigned long cnt)
00101
00102 {
00103 memcpy (dst, src, cnt * sizeof (jack_default_audio_sample_t));
00104 }
00105
00106 void memset_interleave (char *dst, char val, unsigned long bytes, unsigned long unit_bytes, unsigned long skip_bytes);
00107 void memcpy_fake (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00108
00109 void memcpy_interleave_d16_s16 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00110 void memcpy_interleave_d24_s24 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00111 void 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_interleave_d16_s16 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00114 void merge_memcpy_interleave_d24_s24 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00115 void merge_memcpy_interleave_d32_s32 (char *dst, char *src, unsigned long src_bytes, unsigned long dst_skip_bytes, unsigned long src_skip_bytes);
00116
00117 void merge_memcpy_d16_s16 (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00118 void merge_memcpy_d32_s32 (char *dst, char *src, unsigned long src_bytes, unsigned long foo, unsigned long bar);
00119
00120 #ifdef __cplusplus
00121 }
00122 #endif
00123
00124 #endif