pcm_ladspa.c File Reference

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

Include dependency graph for pcm_ladspa.c:

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. More...
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. More...

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

_snd_pcm_ladspa_open()

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

pcmp	Returns created PCM handle
name	Name of PCM
root	Root configuration node
conf	Configuration node with LADSPA<->ALSA 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.

snd_pcm_ladspa_open()

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

pcmp	Returns created PCM handle
name	Name of PCM
ladspa_path	The path for LADSPA plugins
channels	Force input channel count to LADSPA plugin chain, 0 = no force (auto)
ladspa_pplugins	The playback configuration
ladspa_cplugins	The capture configuration
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.