#include <glib.h>
#include <stdint.h>
#include "audio.h"
#include "config.h"

Defines
#define	FROM_INT_LOOP(NAME, TYPE, SWAP, OFFSET, RANGE)
#define	TO_INT_LOOP(NAME, TYPE, SWAP, OFFSET, RANGE)
Typedefs
typedef void(*	FromFunc )(const void in, float out, int samples)
typedef void(*	ToFunc )(const float in, void out, int samples)
Functions
static int8_t	noop8 (int8_t i)
static int16_t	noop16 (int16_t i)
static int32_t	noop32 (int32_t i)
static int16_t	swap16 (int16_t i)
static int32_t	swap32 (int32_t i)
EXPORT void	audio_from_int (const void in, int format, float out, int samples)
EXPORT void	audio_to_int (const float in, void out, int format, int samples)
EXPORT void	audio_amplify (float data, int channels, int frames, float factors)
Variables
struct {
int format
FromFunc from
ToFunc to
}	convert_table []

Define Documentation

#define FROM_INT_LOOP	(	NAME,
		TYPE,
		SWAP,
		OFFSET,
		RANGE
	)

Value:

static void NAME (const TYPE * in, float * out, int samples) \
{ \
    const TYPE * end = in + samples; \
    while (in < end) \
        * out ++ = (TYPE) (SWAP (* in ++) - OFFSET) / (double) RANGE; \
}

Definition at line 26 of file audio.c.

#define TO_INT_LOOP	(	NAME,
		TYPE,
		SWAP,
		OFFSET,
		RANGE
	)

Value:

static void NAME (const float * in, TYPE * out, int samples) \
{ \
    const float * end = in + samples; \
    while (in < end) \
    { \
        double f = * in ++; \
        * out ++ = SWAP (OFFSET + (TYPE) (CLAMP (f, -1, 1) * (double) RANGE)); \
    } \
}

Definition at line 34 of file audio.c.