ALSA project - the C library reference: /builddir/build/BUILD/alsa-lib-1.1.4.1/src/pcm/pcm_dmix.c File Reference

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pcm_dmix.c File Reference

PCM Direct Stream Mixing (dmix) Plugin Interface. More...

## Functions
int | snd_pcm_dmix_open (snd_pcm_t **pcmp, const char *name, struct snd_pcm_direct_open_conf *opts, struct slave_params *params, snd_config_t *root, snd_config_t *sconf, snd_pcm_stream_t stream, int mode)
| Creates a new dmix PCM. More...
int | _snd_pcm_dmix_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 dmix PCM. More...

## Detailed Description

PCM Direct Stream Mixing (dmix) Plugin Interface.

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

Date
  2003

## Function Documentation

int _snd_pcm_dmix_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 dmix PCM.

Parameters

  pcmp | Returns created PCM handle
  name | Name of PCM
  root | Root configuration node
  conf | Configuration node with dmix PCM description
  stream | PCM Stream
  mode | PCM Mode

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_dmix_open | ( | snd_pcm_t ** | pcmp,
|  | const char * | name,
|  | struct snd_pcm_direct_open_conf * | opts,
|  | struct slave_params * | params,
|  | snd_config_t * | root,
|  | snd_config_t * | sconf,
|  | snd_pcm_stream_t | stream,
|  | int | mode
| ) |  |

Creates a new dmix PCM.

Parameters

  pcmp | Returns created PCM handle
  name | Name of PCM
  opts | Direct PCM configurations
  params | Parameters for slave
  root | Configuration root
  sconf | Slave configuration
  stream | PCM Direction (stream)
  mode | PCM 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.