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more simple mixer - basic abstraction - work

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- midlayer cleanups and simplification
- probably broke the "none" abstraction code somehow (not intensively tested
  midlayer changes)
- trying to implement ac97 module
  - far from finished
  - common code should be moved to alsa-lib as core for other modules
  - perhaps simple_abst.c can be based on this common code, too
This commit is contained in:
Jaroslav Kysela 2005-06-16 11:59:26 +00:00
parent 3656a66397
commit ce67d5389b
8 changed files with 856 additions and 298 deletions
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20
include/mixer.h
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@ -99,7 +99,9 @@ snd_mixer_elem_t *snd_mixer_first_elem(snd_mixer_t *mixer);
snd_mixer_elem_t *snd_mixer_last_elem(snd_mixer_t *mixer);
int snd_mixer_handle_events(snd_mixer_t *mixer);
int snd_mixer_attach(snd_mixer_t *mixer, const char *name);
int snd_mixer_attach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl);
int snd_mixer_detach(snd_mixer_t *mixer, const char *name);
int snd_mixer_detach_hctl(snd_mixer_t *mixer, snd_hctl_t *hctl);
int snd_mixer_get_hctl(snd_mixer_t *mixer, const char *name, snd_hctl_t **hctl);
int snd_mixer_poll_descriptors_count(snd_mixer_t *mixer);
int snd_mixer_poll_descriptors(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int space);
@ -266,18 +268,18 @@ int snd_mixer_selem_set_playback_switch(snd_mixer_elem_t *elem, snd_mixer_selem_
int snd_mixer_selem_set_capture_switch(snd_mixer_elem_t *elem, snd_mixer_selem_channel_id_t channel, int value);
int snd_mixer_selem_set_playback_switch_all(snd_mixer_elem_t *elem, int value);
int snd_mixer_selem_set_capture_switch_all(snd_mixer_elem_t *elem, int value);
void snd_mixer_selem_get_playback_volume_range(snd_mixer_elem_t *elem,
long *min, long *max);
void snd_mixer_selem_get_playback_dB_range(snd_mixer_elem_t *elem,
long *min, long *max);
void snd_mixer_selem_set_playback_volume_range(snd_mixer_elem_t *elem,
long min, long max);
void snd_mixer_selem_get_capture_volume_range(snd_mixer_elem_t *elem,
int snd_mixer_selem_get_playback_volume_range(snd_mixer_elem_t *elem,
long *min, long *max);
void snd_mixer_selem_get_capture_dB_range(snd_mixer_elem_t *elem,
int snd_mixer_selem_get_playback_dB_range(snd_mixer_elem_t *elem,
long *min, long *max);
void snd_mixer_selem_set_capture_volume_range(snd_mixer_elem_t *elem,
int snd_mixer_selem_set_playback_volume_range(snd_mixer_elem_t *elem,
long min, long max);
int snd_mixer_selem_get_capture_volume_range(snd_mixer_elem_t *elem,
long *min, long *max);
int snd_mixer_selem_get_capture_dB_range(snd_mixer_elem_t *elem,
long *min, long *max);
int snd_mixer_selem_set_capture_volume_range(snd_mixer_elem_t *elem,
long min, long max);
int snd_mixer_selem_is_enumerated(snd_mixer_elem_t *elem);
int snd_mixer_selem_get_enum_items(snd_mixer_elem_t *elem);