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pcm_adpcm.c File Reference

PCM Ima-ADPCM Conversion Plugin Interface. More...


Functions

int snd_pcm_adpcm_open (snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sformat, snd_pcm_t *slave, int close_slave)
 Creates a new Ima-ADPCM conversion PCM. More...

int _snd_pcm_adpcm_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 Ima-ADPCM conversion PCM. More...


Detailed Description

PCM Ima-ADPCM Conversion Plugin Interface.

Author:
Abramo Bagnara <abramo@alsa-project.org> , Uros Bizjak <uros@kss-loka.si> , Jaroslav Kysela <perex@suse.cz>
Date:
2000-2001

Function Documentation

int _snd_pcm_adpcm_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 Ima-ADPCM conversion PCM.

Parameters:
pcmp  Returns created PCM handle
name  Name of PCM
root  Root configuration node
conf  Configuration node with copy PCM description
stream  Stream type
mode  Stream mode
Return values:
zero  on 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.

int snd_pcm_adpcm_open snd_pcm_t **    pcmp,
const char *    name,
snd_pcm_format_t    sformat,
snd_pcm_t   slave,
int    close_slave
 

Creates a new Ima-ADPCM conversion PCM.

Parameters:
pcmp  Returns created PCM handle
name  Name of PCM
sformat  Slave (destination) format
slave  Slave PCM handle
close_slave  When set, the slave PCM handle is closed with copy PCM
Return values:
zero  on 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.


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