workbench/devs/AHI/Drivers/Alsa/alsa-bridge/alsa_hostlib.h

   1 /*
   2     Copyright © 2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include <alsa/asoundlib.h>
   7 #include <exec/types.h>
   8
   9 struct alsa_func
  10 {
  11     int (*snd_pcm_open)(snd_pcm_t **pcmp, const char *name, snd_pcm_stream_t stream, int mode);
  12     int (*snd_pcm_close)(snd_pcm_t *pcm);
  13     int (*snd_pcm_hw_params_malloc)(snd_pcm_hw_params_t **ptr);
  14     void (*snd_pcm_hw_params_free)(snd_pcm_hw_params_t *obj);
  15     int (*snd_pcm_hw_params_any)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
  16     int (*snd_pcm_hw_params_set_access)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_access_t _access);
  17     int (*snd_pcm_hw_params_set_format)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_format_t val);
  18     int (*snd_pcm_hw_params_set_rate_near)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int *val, int *dir);
  19     int (*snd_pcm_hw_params_set_channels)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, unsigned int val);
  20     int (*snd_pcm_hw_params)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
  21     int (*snd_pcm_prepare)(snd_pcm_t *pcm);
  22     snd_pcm_sframes_t(*snd_pcm_writei)(snd_pcm_t *pcm, const void *buffer, snd_pcm_uframes_t size);
  23     snd_pcm_sframes_t(*snd_pcm_avail_update)(snd_pcm_t *pcm);
  24     int (*snd_pcm_hw_params_get_buffer_size)(const snd_pcm_hw_params_t *params, snd_pcm_uframes_t *val);
  25     int (*snd_pcm_hw_params_set_buffer_size)(snd_pcm_t *pcm, snd_pcm_hw_params_t *params, snd_pcm_uframes_t val);
  26     int (*snd_pcm_drop)(snd_pcm_t *pcm);
  27
  28     int (*snd_mixer_open)(snd_mixer_t **mixer, int mode);
  29     int (*snd_mixer_close)(snd_mixer_t *mixer);
  30     int (*snd_mixer_load)(snd_mixer_t *mixer);
  31     int (*snd_mixer_attach)(snd_mixer_t *mixer, const char *name);
  32     snd_mixer_elem_t *(*snd_mixer_find_selem)(snd_mixer_t *mixer, const snd_mixer_selem_id_t *id);
  33     int (*snd_mixer_selem_register)(snd_mixer_t *mixer, struct snd_mixer_selem_regopt *options, snd_mixer_class_t **classp);
  34     int (*snd_mixer_selem_id_malloc)(snd_mixer_selem_id_t **ptr);
  35     void (*snd_mixer_selem_id_free)(snd_mixer_selem_id_t *obj);
  36     void (*snd_mixer_selem_id_set_index)(snd_mixer_selem_id_t *obj, unsigned int val);
  37     void (*snd_mixer_selem_id_set_name)(snd_mixer_selem_id_t *obj, const char *val);
  38     int  (*snd_mixer_selem_get_playback_volume_range)(snd_mixer_elem_t *elem, long *min, long *max);
  39     int  (*snd_mixer_selem_get_playback_volume)(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, long *value);
  40     int  (*snd_mixer_selem_set_playback_volume_all)(snd_mixer_elem_t *elem, long value);
  41 };
  42
  43 extern struct alsa_func alsa_func;
  44
  45 #define ALSACALL(func,...) (alsa_func.func(__VA_ARGS__))
  46
  47 BOOL ALSA_HostLib_Init();
  48 VOID ALSA_HostLib_Cleanup();