libsent/src/adin/adin_na.c File Reference

Sub routines for NetAudio input. More...

#include <sent/config.h>
#include <stdio.h>
#include <stdlib.h>
#include <netaudio.h>
#include <defaults.h>

Go to the source code of this file.

Defines
#define	TRUE   1
	Should be the same definition in stddefs.h.
#define	FALSE   0
	Should be the same definition in stddefs.h.
Typedefs
typedef short	SP16
	Should be the same definition in stddefs.h.
Functions
int	NA_standby (int sfreq, char *server_devname)
	Initialize NetAudio device.
static void	NA_close ()
	Close port.
void	NA_start ()
	Begin recording.
void	NA_stop ()
	Pause the recording.
int	NA_read (SP16 *buf, int sampnum)
	Read samples from NetAudio port.
Variables
static NAport *	port
	NetAudio port.
static int	need_swap = FALSE
	Incoming data is always BIG ENDIAN.

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Detailed Description

Sub routines for NetAudio input.

This file defines sub functions for NetAudio input in adin_netaudio.c

These functions are separated from adin_netaudio.c because some definitions in NetAudio header "dat_types.h" conflicts with the include header "sent/stddefs.h".

Author:

Akinobu LEE

Date:

Sun Feb 13 19:40:56 2005

Revision

1.2

Definition in file adin_na.c.

---

Function Documentation

int NA_standby	(	int	sfreq,
		char *	server_devname
	)

Initialize NetAudio device.

Parameters:

	sfreq	[in] sampling frequency
	server_devname	[in] server host name

Returns:

1 on success, 0 on failure.

Definition at line 60 of file adin_na.c.

Referenced by adin_netaudio_standby().

static void NA_close

(

)

[static]

Close port.

(actually never used, just for reference...)

Definition at line 109 of file adin_na.c.

int NA_read	(	SP16 *	buf,
		int	sampnum
	)

Read samples from NetAudio port.

Try to read sampnum samples and returns actual number of recorded samples currently available. This function will block until at least some samples are obtained.

Parameters:

	buf	[out] samples obtained in this function
	sampnum	[in] wanted number of samples to be read

Returns:

actural number of read samples, -1 if an error occured.

Definition at line 156 of file adin_na.c.

Referenced by adin_netaudio_read().

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