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more resampling options

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philippe44
2019-06-27 22:29:10 -07:00
parent a75f1f0cd5
commit 0e3bc18748
5 changed files with 15 additions and 8 deletions
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1
components/codecs/component.mk
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@@ -12,7 +12,6 @@ COMPONENT_ADD_LDFLAGS=-l$(COMPONENT_NAME) \
$(COMPONENT_PATH)/lib/libresample16.a \
$(COMPONENT_PATH)/lib/libsoxr.a
#$(COMPONENT_PATH)/lib/libfaad.a
#$(COMPONENT_PATH)/lib/libvorbisidec.a
#$(COMPONENT_PATH)/lib/libogg.a

11
components/codecs/inc/resample16/resample16.h
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@@ -74,11 +74,18 @@ typedef int WORD;
typedef unsigned int UWORD;
struct resample16_s;
typedef struct {
UHWORD LpScl; /* Unity-gain scale factor */
UHWORD Nwing; /* Filter table size */
UHWORD Nmult; /* Filter length for up-conversions */
const HWORD *Imp; /* Filter coefficients */
const HWORD *ImpD; /* ImpD[n] = Imp[n+1]-Imp[n] */
} resample16_filter_t;
typedef enum { RESAMPLE16_FAST, RESAMPLE16_SMALL, RESAMPLE16_LARGE, RESAMPLE_CUSTOM } resample16_filter_e;
typedef enum { RESAMPLE16_BASIC, RESAMPLE16_LOW, RESAMPLE16_MED } resample16_filter_e;
WORD resample16(struct resample16_s *r, HWORD X[], int inCount, HWORD Y[]);
struct resample16_s* resample16_create(double factor, resample16_filter_e filter, BOOL interp);
struct resample16_s* resample16_create(float factor, resample16_filter_e filter, resample16_filter_t *custom, BOOL interp);
void resample16_delete(struct resample16_s *r);
void resample16_flush(struct resample16_s *r);

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components/codecs/lib/libresample16.a
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