libsent/src/adin/adin_esd.c File Reference

Audio input from Englightened Sound Daemon (EsounD). More...

#include <sent/stddefs.h>
#include <sent/adin.h>
#include <esd.h>

Go to the source code of this file.

Functions
boolean	adin_esd_standby (int sfreq, void *dummy)
	Connection initialization: check connectivity and open for recording.
boolean	adin_esd_begin ()
	Start recording.
boolean	adin_esd_end ()
	Stop recording.
int	adin_esd_read (SP16 *buf, int sampnum)
	Read samples from the daemon.
Variables
static int	sock
	Audio socket.
static char	name_buf [ESD_NAME_MAX]
	Unique identifier of this process that will be passed to EsounD.
static int	latency = 50
	Lantency time in msec.

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Detailed Description

Audio input from Englightened Sound Daemon (EsounD).

Low level I/O functions for audio input via the Enlightened Sound Daemon (EsounD, or esd in short). If you want to use this API, please specify "--with-mictype=esd" options at compilation time to configure script.

Author:

Akinobu LEE

Date:

Sun Feb 13 16:18:26 2005

Revision

1.3

Definition in file adin_esd.c.

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Function Documentation

boolean adin_esd_standby	(	int	sfreq,
		void *	dummy
	)

Connection initialization: check connectivity and open for recording.

Parameters:

	sfreq	[in] required sampling frequency
	dummy	[in] a dummy data

Returns:

TRUE on success, FALSE on failure.

Definition at line 54 of file adin_esd.c.

Referenced by adin_mic_standby(), and adin_select().

boolean adin_esd_begin

(

)

Start recording.

Returns:

TRUE on success, FALSE on failure.

Definition at line 83 of file adin_esd.c.

Referenced by adin_mic_begin(), and adin_select().

boolean adin_esd_end

(

)

Stop recording.

Returns:

TRUE on success, FALSE on failure.

Definition at line 94 of file adin_esd.c.

Referenced by adin_mic_end(), and adin_select().

int adin_esd_read	(	SP16 *	buf,
		int	sampnum
	)

Read samples from the daemon.

Try to read sampnum samples and returns actual number of recorded samples currently available. This function will block until at least one sample can be obtained.

Parameters:

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

Returns:

actural number of read samples, -2 if an error occured.

Definition at line 112 of file adin_esd.c.

Referenced by adin_mic_read(), and adin_select().

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