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pcm_hooks.c File Reference
PCM Interface » Hook Extension

PCM Hook Interface. More...

## Functions

int | snd_pcm_hooks_open (snd_pcm_t **pcmp, const char *name, snd_pcm_t *slave, int close_slave)
| Creates a new hooks PCM.
int | _snd_pcm_hooks_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 hooks PCM.
snd_pcm_t * | snd_pcm_hook_get_pcm (snd_pcm_hook_t *hook)
| Get PCM handle for a PCM hook.
void * | snd_pcm_hook_get_private (snd_pcm_hook_t *hook)
| Get callback function private data for a PCM hook.
void | snd_pcm_hook_set_private (snd_pcm_hook_t *hook, void *private_data)
| Set callback function private data for a PCM hook.
int | snd_pcm_hook_add (snd_pcm_hook_t **hookp, snd_pcm_t *pcm, snd_pcm_hook_type_t type, snd_pcm_hook_func_t func, void *private_data)
| Add a PCM hook at end of hooks chain.
int | snd_pcm_hook_remove (snd_pcm_hook_t *hook)
| Remove a PCM hook.
int | _snd_pcm_hook_ctl_elems_install (snd_pcm_t *pcm, snd_config_t *conf)
| Install CTL settings using hardware associated with PCM handle.

## Detailed Description

PCM Hook Interface.

Author
  Abramo Bagnara abram.nosp@m.o@al.nosp@m.sa-pr.nosp@m.ojec.nosp@m.t.org
  Jaroslav Kysela perex.nosp@m.@per.nosp@m.ex.cz

Date
  2000-2001

## Function Documentation

## _snd_pcm_hook_ctl_elems_install()

int _snd_pcm_hook_ctl_elems_install | ( | snd_pcm_t * | pcm,
|  | snd_config_t * | conf )

Install CTL settings using hardware associated with PCM handle.

Parameters

  pcm | PCM handle
  conf | Configuration node with CTL settings

Returns
  zero on success otherwise a negative error code