text: /*
   *  PCM - Common generic plugin code
   *  Copyright (c) 2004 by Jaroslav Kysela <perex@perex.cz>
   *
   *
   *   This library is free software; you can redistribute it and/or modify
   *   it under the terms of the GNU Lesser General Public License as
   *   published by the Free Software Foundation; either version 2.1 of
   *   the License, or (at your option) any later version.
   *
   *   This program is distributed in the hope that it will be useful,
   *   but WITHOUT ANY WARRANTY; without even the implied warranty of
   *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *   GNU Lesser General Public License for more details.
   *
   *   You should have received a copy of the GNU Lesser General Public
   *   License along with this library; if not, write to the Free Software
   *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
   *
   */
    
  typedef struct {
  	snd_pcm_t *slave;
  	int close_slave;
  } snd_pcm_generic_t;	
  
  /* make local functions really local */
  #define snd_pcm_generic_close \
  	snd1_pcm_generic_close
  #define snd_pcm_generic_nonblock \
  	snd1_pcm_generic_nonblock
  #define snd_pcm_generic_async \
  	snd1_pcm_generic_async
  #define snd_pcm_generic_poll_descriptors_count \
  	snd1_pcm_generic_poll_descriptors_count
  #define snd_pcm_generic_poll_descriptors \
  	snd1_pcm_generic_poll_descriptors
  #define snd_pcm_generic_poll_revents \
  	snd1_pcm_generic_poll_revents
  #define snd_pcm_generic_info \
  	snd1_pcm_generic_info
  #define snd_pcm_generic_hw_free \
  	snd1_pcm_generic_hw_free
  #define snd_pcm_generic_sw_params \
  	snd1_pcm_generic_sw_params
  #define snd_pcm_generic_hw_refine \
  	snd1_pcm_generic_hw_refine
  #define snd_pcm_generic_hw_params \
  	snd1_pcm_generic_hw_params
  #define snd_pcm_generic_channel_info \
  	snd1_pcm_generic_channel_info
  #define snd_pcm_generic_channel_info_no_buffer \
  	snd1_pcm_generic_channel_info_no_buffer
  #define snd_pcm_generic_status \
  	snd1_pcm_generic_status
  #define snd_pcm_generic_state \
  	snd1_pcm_generic_state
  #define snd_pcm_generic_prepare \
  	snd1_pcm_generic_prepare
  #define snd_pcm_generic_hwsync \
  	snd1_pcm_generic_hwsync
  #define snd_pcm_generic_reset \
  	snd1_pcm_generic_reset
  #define snd_pcm_generic_start \
  	snd1_pcm_generic_start
  #define snd_pcm_generic_drop \
  	snd1_pcm_generic_drop
  #define snd_pcm_generic_drain \
  	snd1_pcm_generic_drain
  #define snd_pcm_generic_pause \
  	snd1_pcm_generic_pause
  #define snd_pcm_generic_resume \
  	snd1_pcm_generic_resume
  #define snd_pcm_generic_delay \
  	snd1_pcm_generic_delay
  #define snd_pcm_generic_forwardable \
  	snd1_pcm_generic_forwardable
  #define snd_pcm_generic_forward \
  	snd1_pcm_generic_forward
  #define snd_pcm_generic_rewindable \
  	snd1_pcm_generic_rewindable
  #define snd_pcm_generic_rewind \
  	snd1_pcm_generic_rewind
  #define snd_pcm_generic_link \
  	snd1_pcm_generic_link
  #define snd_pcm_generic_link_slaves \
  	snd1_pcm_generic_link_slaves
  #define snd_pcm_generic_unlink \
  	snd1_pcm_generic_unlink
  #define snd_pcm_generic_writei \
  	snd1_pcm_generic_writei
  #define snd_pcm_generic_writen \
  	snd1_pcm_generic_writen
  #define snd_pcm_generic_readi \
  	snd1_pcm_generic_readi
  #define snd_pcm_generic_readn \
  	snd1_pcm_generic_readn
  #define snd_pcm_generic_mmap_commit \
  	snd1_pcm_generic_mmap_commit
  #define snd_pcm_generic_avail_update	\
  	snd1_pcm_generic_avail_update
  #define snd_pcm_generic_mmap \
  	snd1_pcm_generic_mmap
  #define snd_pcm_generic_munmap \
  	snd1_pcm_generic_munmap
  #define snd_pcm_generic_query_chmaps \
  	snd1_pcm_generic_query_chmaps
  #define snd_pcm_generic_get_chmap \
  	snd1_pcm_generic_get_chmap
  #define snd_pcm_generic_set_chmap \
  	snd1_pcm_generic_set_chmap
  #define snd_pcm_generic_may_wait_for_avail_min \
  	snd1_pcm_generic_may_wait_for_avail_min
  
  int snd_pcm_generic_close(snd_pcm_t *pcm);
  int snd_pcm_generic_nonblock(snd_pcm_t *pcm, int nonblock);
  int snd_pcm_generic_async(snd_pcm_t *pcm, int sig, pid_t pid);
  int snd_pcm_generic_poll_descriptors_count(snd_pcm_t *pcm);
  int snd_pcm_generic_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
  int snd_pcm_generic_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
  int snd_pcm_generic_info(snd_pcm_t *pcm, snd_pcm_info_t * info);
  int snd_pcm_generic_hw_free(snd_pcm_t *pcm);
  int snd_pcm_generic_sw_params(snd_pcm_t *pcm, snd_pcm_sw_params_t *params);
  int snd_pcm_generic_hw_refine(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
  int snd_pcm_generic_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
  int snd_pcm_generic_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
  int snd_pcm_generic_channel_info_no_buffer(snd_pcm_t *pcm, snd_pcm_channel_info_t * info);
  int snd_pcm_generic_status(snd_pcm_t *pcm, snd_pcm_status_t * status);
  snd_pcm_state_t snd_pcm_generic_state(snd_pcm_t *pcm);
  int snd_pcm_generic_prepare(snd_pcm_t *pcm);
  int snd_pcm_generic_hwsync(snd_pcm_t *pcm);
  int snd_pcm_generic_reset(snd_pcm_t *pcm);
  int snd_pcm_generic_start(snd_pcm_t *pcm);
  int snd_pcm_generic_drop(snd_pcm_t *pcm);
  int snd_pcm_generic_drain(snd_pcm_t *pcm);
  int snd_pcm_generic_pause(snd_pcm_t *pcm, int enable);
  int snd_pcm_generic_resume(snd_pcm_t *pcm);
  int snd_pcm_generic_delay(snd_pcm_t *pcm, snd_pcm_sframes_t *delayp);
  snd_pcm_sframes_t snd_pcm_generic_forwardable(snd_pcm_t *pcm);
  snd_pcm_sframes_t snd_pcm_generic_forward(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
  snd_pcm_sframes_t snd_pcm_generic_rewindable(snd_pcm_t *pcm);
  snd_pcm_sframes_t snd_pcm_generic_rewind(snd_pcm_t *pcm, snd_pcm_uframes_t frames);
  int snd_pcm_generic_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2);
  int snd_pcm_generic_link_slaves(snd_pcm_t *pcm, snd_pcm_t *master);
  int snd_pcm_generic_unlink(snd_pcm_t *pcm);
  snd_pcm_sframes_t snd_pcm_generic_writei(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
  snd_pcm_sframes_t snd_pcm_generic_writen(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
  snd_pcm_sframes_t snd_pcm_generic_readi(snd_pcm_t *pcm, void *buffer, snd_pcm_uframes_t size);
  snd_pcm_sframes_t snd_pcm_generic_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t size);
  snd_pcm_sframes_t snd_pcm_generic_mmap_commit(snd_pcm_t *pcm,
  					      snd_pcm_uframes_t offset,
  					      snd_pcm_uframes_t size);
  snd_pcm_sframes_t snd_pcm_generic_avail_update(snd_pcm_t *pcm);
  int snd_pcm_generic_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
  			       snd_htimestamp_t *timestamp);
  int snd_pcm_generic_real_htimestamp(snd_pcm_t *pcm, snd_pcm_uframes_t *avail,
  				    snd_htimestamp_t *tstamp);
  int snd_pcm_generic_mmap(snd_pcm_t *pcm);
  int snd_pcm_generic_munmap(snd_pcm_t *pcm);
  snd_pcm_chmap_query_t **snd_pcm_generic_query_chmaps(snd_pcm_t *pcm);
  snd_pcm_chmap_t *snd_pcm_generic_get_chmap(snd_pcm_t *pcm);
  int snd_pcm_generic_set_chmap(snd_pcm_t *pcm, const snd_pcm_chmap_t *map);
  int snd_pcm_generic_may_wait_for_avail_min(snd_pcm_t *pcm, snd_pcm_uframes_t avail);
  
  