code.delx.au - pulseaudio/blob - src/modules/alsa-util.h

   1 #ifndef fooalsautilhfoo
   2 #define fooalsautilhfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of PulseAudio.
   8
   9   Copyright 2004-2006 Lennart Poettering
  10   Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
  11
  12   PulseAudio is free software; you can redistribute it and/or modify
  13   it under the terms of the GNU Lesser General Public License as published
  14   by the Free Software Foundation; either version 2 of the License,
  15   or (at your option) any later version.
  16
  17   PulseAudio is distributed in the hope that it will be useful, but
  18   WITHOUT ANY WARRANTY; without even the implied warranty of
  19   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  20   General Public License for more details.
  21
  22   You should have received a copy of the GNU Lesser General Public License
  23   along with PulseAudio; if not, write to the Free Software
  24   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  25   USA.
  26 ***/
  27
  28 #include <asoundlib.h>
  29
  30 #include <pulse/sample.h>
  31 #include <pulse/mainloop-api.h>
  32
  33 #include <pulse/channelmap.h>
  34
  35 struct pa_alsa_fdlist;
  36
  37 struct pa_alsa_fdlist *pa_alsa_fdlist_new(void);
  38 void pa_alsa_fdlist_free(struct pa_alsa_fdlist *fdl);
  39
  40 int pa_alsa_fdlist_init_pcm(struct pa_alsa_fdlist *fdl, snd_pcm_t *pcm_handle, pa_mainloop_api* m, void (*cb)(void *userdata), void *userdata);
  41 int pa_alsa_fdlist_init_mixer(struct pa_alsa_fdlist *fdl, snd_mixer_t *mixer_handle, pa_mainloop_api* m);
  42
  43 int pa_alsa_set_hw_params(snd_pcm_t *pcm_handle, pa_sample_spec *ss, uint32_t *periods, snd_pcm_uframes_t *period_size);
  44
  45 int pa_alsa_prepare_mixer(snd_mixer_t *mixer, const char *dev);
  46 snd_mixer_elem_t *pa_alsa_find_elem(snd_mixer_t *mixer, const char *name, const char *fallback);
  47
  48 #endif