pcm_adpcm.c File Reference

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

Include dependency graph for pcm_adpcm.c:

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 abram.nosp@m.o@al.nosp@m.sa-pr.nosp@m.ojec.nosp@m.t.org

Uros Bizjak uros@.nosp@m.kss-.nosp@m.loka..nosp@m.si

Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz

Date

2000-2001

Function Documentation

_snd_pcm_adpcm_open()

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.

snd_pcm_adpcm_open()

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.