dsd2pcm.h File Reference

#include <stddef.h>
#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	DSDContext
	Per-channel buffer. More...

Macros
#define	DSD_HTAPS   48 /** number of FIR constants */
#define	DSD_FIFOSIZE   16 /** must be a power of two */
#define	DSD_FIFOMASK   (DSD_FIFOSIZE - 1) /** bit mask for FIFO offsets */

Functions
void	swri_dsd2pcm_init (void)
void	swri_dsd2pcm_translate (DSDContext *s, size_t samples, const uint8_t *src, ptrdiff_t src_stride, float *dst, ptrdiff_t dst_stride)
	Convert one channel of MSB-first DSD data (one byte = 8 samples) to float PCM at 1/8th of the DSD bit rate.

Macro Definition Documentation

DSD_HTAPS

#define DSD_HTAPS   48 /** number of FIR constants */

Definition at line 30 of file dsd2pcm.h.

DSD_FIFOSIZE

#define DSD_FIFOSIZE   16 /** must be a power of two */

Definition at line 31 of file dsd2pcm.h.

Referenced by swri_dsd2pcm_translate().

DSD_FIFOMASK

#define DSD_FIFOMASK   (DSD_FIFOSIZE - 1) /** bit mask for FIFO offsets */

Definition at line 32 of file dsd2pcm.h.

Referenced by swri_dsd2pcm_translate().

Function Documentation

swri_dsd2pcm_init()

void swri_dsd2pcm_init

(

void

)

Definition at line 89 of file dsd2pcm.c.

swri_dsd2pcm_translate()

void swri_dsd2pcm_translate	(	DSDContext *	s,
		size_t	samples,
		const uint8_t *	src,
		ptrdiff_t	src_stride,
		float *	dst,
		ptrdiff_t	dst_stride )

Convert one channel of MSB-first DSD data (one byte = 8 samples) to float PCM at 1/8th of the DSD bit rate.

Strides are in elements.

Definition at line 95 of file dsd2pcm.c.