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pcm_ladspa.c File Reference

ALSA Plugin <-> LADSPA Plugin Interface. More...

Functions

int snd_pcm_ladspa_open (snd_pcm_t **pcmp, const char *name, const char *ladspa_path, unsigned int channels, snd_config_t *ladspa_pplugins, snd_config_t *ladspa_cplugins, snd_pcm_t *slave, int close_slave)
 Creates a new LADSPA<->ALSA Plugin.
int _snd_pcm_ladspa_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 LADSPA<->ALSA PCM.

Detailed Description

ALSA Plugin <-> LADSPA Plugin Interface.

Author:
Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz
Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz
Date:
2001,2006

Function Documentation

int _snd_pcm_ladspa_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 LADSPA<->ALSA PCM.

Parameters:
pcmpReturns created PCM handle
nameName of PCM
rootRoot configuration node
confConfiguration node with LADSPA<->ALSA 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.
int snd_pcm_ladspa_open ( snd_pcm_t **  pcmp,
const char *  name,
const char *  ladspa_path,
unsigned int  channels,
snd_config_t ladspa_pplugins,
snd_config_t ladspa_cplugins,
snd_pcm_t slave,
int  close_slave 
)

Creates a new LADSPA<->ALSA Plugin.

Parameters:
pcmpReturns created PCM handle
nameName of PCM
ladspa_pathThe path for LADSPA plugins
channelsForce input channel count to LADSPA plugin chain, 0 = no force (auto)
ladspa_ppluginsThe playback configuration
ladspa_cpluginsThe capture configuration
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.