dsd.h File Reference

#include "libavcodec/internal.h"
#include "libavcodec/mathops.h"
#include "avcodec.h"

Go to the source code of this file.

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

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

Functions
void	ff_init_dsd_data (void)
void	ff_dsd2pcm_translate (DSDContext *s, size_t samples, int lsbf, const uint8_t *src, ptrdiff_t src_stride, float *dst, ptrdiff_t dst_stride)

Macro Definition Documentation

HTAPS

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

Definition at line 31 of file dsd.h.

FIFOSIZE

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

Definition at line 32 of file dsd.h.

FIFOMASK

#define FIFOMASK   (FIFOSIZE - 1) /** bit mask for FIFO offsets */

Definition at line 33 of file dsd.h.

Function Documentation

ff_init_dsd_data()

void ff_init_dsd_data

(

void

)

Definition at line 46 of file dsd.c.

Referenced by decode_init(), and wavpack_decode_init().

ff_dsd2pcm_translate()

void ff_dsd2pcm_translate	(	DSDContext *	s,
		size_t	samples,
		int	lsbf,
		const uint8_t *	src,
		ptrdiff_t	src_stride,
		float *	dst,
		ptrdiff_t	dst_stride
	)

Definition at line 55 of file dsd.c.

Referenced by decode_frame(), and dsd_channel().