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>

Include dependency graph for adin_esd.c:

Go to the source code of this file.

Functions
boolean	adin_mic_standby (int sfreq, void *dummy)
boolean	adin_mic_start ()
boolean	adin_mic_stop ()
int	adin_mic_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).

Author:

Akinobu LEE

Date:

Sun Feb 13 16:18:26 2005

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.

Revision

1.3

Definition in file adin_esd.c.

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Function Documentation

boolean adin_mic_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 51 of file adin_esd.c.

boolean adin_mic_start

(

)

Start recording.

Returns:

TRUE on success, FALSE on failure.

Definition at line 75 of file adin_esd.c.

boolean adin_mic_stop

(

)

Stop recording.

Returns:

TRUE on success, FALSE on failure.

Definition at line 86 of file adin_esd.c.

int adin_mic_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 104 of file adin_esd.c.

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