g711.h File Reference

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Macros
#define	G711_TABLE_SIZE   256
#define	ULAW_TO_U8
#define	ALAW_TO_U8
#define	U8_TO_ULAW
#define	U8_TO_ALAW
#define	_G711_TO_INTPCM(t, v)
#define	_INTPCM_TO_G711(t, v)   ((t)[(uint8_t)((v) ^ 0x80)])
#define	G711_DECLARE_TABLE(t)
#define	G711_DECLARE_OP(t)
#define	G711_DECLARE(t)

Macro Definition Documentation

_G711_TO_INTPCM

#define _G711_TO_INTPCM	(		t,
			v
	)

Value:

                                 ((intpcm_t)                            \
                                 ((int8_t)((t)[(uint8_t)(v)] ^ 0x80)))

Definition at line 176 of file g711.h.

_INTPCM_TO_G711

#define _INTPCM_TO_G711	(		t,
			v
	)		((t)[(uint8_t)((v) ^ 0x80)])

Definition at line 179 of file g711.h.

ALAW_TO_U8

#define ALAW_TO_U8

Definition at line 71 of file g711.h.

G711_DECLARE

#define G711_DECLARE

(

t

)

Value:

        G711_DECLARE_TABLE(t);                                          \
        G711_DECLARE_OP(t)

Definition at line 221 of file g711.h.

G711_DECLARE_OP

#define G711_DECLARE_OP

(

t

)

Value:

static __inline intpcm_t                                                \
pcm_read_ulaw(uint8_t v)                                                \
{                                                                       \
                                                                        \
        return (_G711_TO_INTPCM((t).ulaw_to_u8, v));                    \
}                                                                       \
                                                                        \
static __inline intpcm_t                                                \
pcm_read_alaw(uint8_t v)                                                \
{                                                                       \
                                                                        \
        return (_G711_TO_INTPCM((t).alaw_to_u8, v));                    \
}                                                                       \
                                                                        \
static __inline void                                                    \
pcm_write_ulaw(uint8_t *dst, intpcm_t v)                                \
{                                                                       \
                                                                        \
        *dst = _INTPCM_TO_G711((t).u8_to_ulaw, v);                      \
}                                                                       \
                                                                        \
static __inline void                                                    \
pcm_write_alaw(uint8_t *dst, intpcm_t v)                                \
{                                                                       \
                                                                        \
        *dst = _INTPCM_TO_G711((t).u8_to_alaw, v);                      \
}

Definition at line 192 of file g711.h.

G711_DECLARE_TABLE

#define G711_DECLARE_TABLE

(

t

)

Value:

static const struct {                                                   \
        const uint8_t ulaw_to_u8[G711_TABLE_SIZE];                      \
        const uint8_t alaw_to_u8[G711_TABLE_SIZE];                      \
        const uint8_t u8_to_ulaw[G711_TABLE_SIZE];                      \
        const uint8_t u8_to_alaw[G711_TABLE_SIZE];                      \
} t = {                                                                 \
        ULAW_TO_U8, ALAW_TO_U8,                                         \
        U8_TO_ULAW, U8_TO_ALAW                                          \
}

Definition at line 181 of file g711.h.

G711_TABLE_SIZE

#define G711_TABLE_SIZE   256

Definition at line 34 of file g711.h.

U8_TO_ALAW

#define U8_TO_ALAW

Definition at line 141 of file g711.h.

U8_TO_ULAW

#define U8_TO_ULAW

Definition at line 106 of file g711.h.

ULAW_TO_U8

#define ULAW_TO_U8

Definition at line 36 of file g711.h.