src/pcm/pcm_generic.h

   1 /*
   2  *  PCM - Common generic plugin code
   3  *  Copyright (c) 2004 by Jaroslav Kysela <perex@perex.cz>
   4  *
   5  *
   6  *   This library is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU Lesser General Public License as
   8  *   published by the Free Software Foundation; either version 2.1 of
   9  *   the License, or (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU Lesser General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU Lesser General Public
  17  *   License along with this library; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 typedef struct {
  23         snd_pcm_t *slave;
  24         int close_slave;
  25 } snd_pcm_generic_t;
  26
  27 int snd_pcm_generic_close(snd_pcm_t *pcm);
  28 int snd_pcm_generic_nonblock(snd_pcm_t *pcm, int nonblock);
  29 int snd_pcm_generic_async(snd_pcm_t *pcm, int sig, pid_t pid);
  30 int snd_pcm_generic_poll_descriptors_count(snd_pcm_t *pcm);
  31 int snd_pcm_generic_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
  32 int snd_pcm_generic_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
  33 int snd_pcm_generic_info(snd_pcm_t *pcm, snd_pcm_info_t * info);
  34 int snd_pcm_generic_hw_free(snd_pcm_t *pcm);
  35 int snd_pcm_generic_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
  36 int snd_pcm_generic_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
  37 int snd_pcm_generic_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
  38 int snd_pcm_generic_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
  39 int snd_pcm_generic_channel_info_no_buffer(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
  40 int snd_pcm_generic_status(snd_pcm_t *pcm, snd_pcm_status_t * status);
  41 snd_pcm_state_t snd_pcm_generic_state(snd_pcm_t *pcm);
  42 int snd_pcm_generic_prepare(snd_pcm_t *pcm);
  43 int snd_pcm_generic_hwsync(snd_pcm_t *pcm);
  44 int snd_pcm_generic_reset(snd_pcm_t *pcm);
  45 int snd_pcm_generic_start(snd_pcm_t *pcm);
  46 int snd_pcm_generic_drop(snd_pcm_t *pcm);
  47 int snd_pcm_generic_drain(snd_pcm_t *pcm);
  48 int snd_pcm_generic_pause(snd_pcm_t *pcm, int enable);
  49 int snd_pcm_generic_resume(snd_pcm_t *pcm);
  50 int snd_pcm_generic_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
  51 snd_pcm_sframes_t snd_pcm_generic_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
  52 snd_pcm_sframes_t snd_pcm_generic_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
  53 int snd_pcm_generic_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
  54 int snd_pcm_generic_link_slaves(snd_pcm_t *pcm, snd_pcm_t *master);
  55 int snd_pcm_generic_unlink(snd_pcm_t *pcm);
  56 snd_pcm_sframes_t snd_pcm_generic_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
  57 snd_pcm_sframes_t snd_pcm_generic_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
  58 snd_pcm_sframes_t snd_pcm_generic_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
  59 snd_pcm_sframes_t snd_pcm_generic_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
  60 snd_pcm_sframes_t snd_pcm_generic_mmap_commit(snd_pcm_t *pcm,
  61                                               snd_pcm_uframes_t offset,
  62                                               snd_pcm_uframes_t size);
  63 snd_pcm_sframes_t snd_pcm_generic_avail_update(snd_pcm_t *pcm);
  64 int snd_pcm_generic_mmap(snd_pcm_t *pcm);
  65 int snd_pcm_generic_munmap(snd_pcm_t *pcm);