PLC plugin API - manage audio plc.

Typedefs
typedef struct _MSPlc	MSPlc
typedef struct _MSPlcDesc	MSPlcDesc

Functions
void	ms_plc_set_func (MSPlcDesc *_ms_plc_desc)
MSPlc *	ms_plc_init (int samplerate)
void	ms_plc_free (MSPlc *obj)
int	ms_plc_expand (MSPlc *obj, mblk_t **out, int length, int noise)
int	ms_plc_normal (MSPlc *obj, mblk_t *in, mblk_t **out)
int	ms_plc_reduce (MSPlc *obj, mblk_t *in, mblk_t **out, mblk_t **extra)

Detailed Description

Typedef Documentation

MSPlc

MSPlc

Structure for PLC object.

MSPlcDesc

MSPlcDesc

Structure for PLC plugin.

Function Documentation

ms_plc_set_func()

void ms_plc_set_func

(

MSPlcDesc *

_ms_plc_desc

)

Set PLC plugin description.

Parameters

_ms_plc_desc

A PLC plugin description.

ms_plc_init()

MSPlc* ms_plc_init

(

int

samplerate

)

Retreive a PLC object.

Parameters

samplerate

samplerate for PLC.

Returns: PLC object if successful, NULL otherwise.

ms_plc_free()

void ms_plc_free

(

MSPlc *

obj

)

Destroy a PLC object.

Parameters

obj	A PLC object.

ms_plc_expand()

int ms_plc_expand	(	MSPlc *	obj,
		mblk_t **	out,
		int	length,
		int	noise
	)

Expand audio.

Parameters

obj	A PLC object.
out	output audio.
length	length of voice in unsigned char
noise	0 if packet loss, 1 if reducing to noise

Returns: 0 if successful, negative otherwise.

ms_plc_normal()

int ms_plc_normal	(	MSPlc *	obj,
		mblk_t *	in,
		mblk_t **	out
	)

Expand audio.

Parameters

obj	A PLC object.
in	input audio.
out	output audio.

Returns: 0 if successful, negative otherwise.

ms_plc_reduce()

int ms_plc_reduce	(	MSPlc *	obj,
		mblk_t *	in,
		mblk_t **	out,
		mblk_t **	extra
	)

Expand audio.

Parameters

obj	A PLC object.
in	input audio.
out	output audio.
extra	extra output audio.

Returns: 0 if successful, negative otherwise.