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pcm_rate.c File Reference

PCM Rate Plugin Interface. More...

Functions

const snd_config_tsnd_pcm_rate_get_default_converter (snd_config_t *root)
 Get a default converter string.
int snd_pcm_rate_open (snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, unsigned int srate, const snd_config_t *converter, snd_pcm_t *slave, int close_slave)
 Creates a new rate PCM.
int _snd_pcm_rate_open (snd_pcm_t **pcmp, const char *name, snd_config_t *root, snd_config_t *conf, snd_pcm_stream_t stream, int mode)
 Creates a new rate PCM.

Detailed Description

PCM Rate Plugin Interface.

Author:
Abramo Bagnara abram.nosp@m.o@al.nosp@m.sa-pr.nosp@m.ojec.nosp@m.t.org
Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz
Date:
2000-2004

Function Documentation

int _snd_pcm_rate_open ( snd_pcm_t **  pcmp,
const char *  name,
snd_config_t root,
snd_config_t conf,
snd_pcm_stream_t  stream,
int  mode 
)

Creates a new rate PCM.

Parameters:
pcmpReturns created PCM handle
nameName of PCM
rootRoot configuration node
confConfiguration node with rate PCM description
streamStream type
modeStream mode
Return values:
zeroon success otherwise a negative error code
Warning:
Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.
const snd_config_t* snd_pcm_rate_get_default_converter ( snd_config_t root)

Get a default converter string.

Parameters:
rootRoot configuration node
Return values:
Aconst config item if found, or NULL
int snd_pcm_rate_open ( snd_pcm_t **  pcmp,
const char *  name,
snd_pcm_format_t  sformat,
unsigned int  srate,
const snd_config_t converter,
snd_pcm_t slave,
int  close_slave 
)

Creates a new rate PCM.

Parameters:
pcmpReturns created PCM handle
nameName of PCM
sformatSlave format
srateSlave rate
converterSRC type string node
slaveSlave PCM handle
close_slaveWhen set, the slave PCM handle is closed with copy PCM
Return values:
zeroon success otherwise a negative error code
Warning:
Using of this function might be dangerous in the sense of compatibility reasons. The prototype might be freely changed in future.