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New updated mixer interface and better protocol handling...

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This commit is contained in:
Jaroslav Kysela 1998-08-24 16:23:22 +00:00
parent e093a81e5e
commit 44582b2fbe
7 changed files with 63 additions and 18 deletions
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8
include/mixer.h
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@ -8,7 +8,8 @@
typedef struct snd_mixer_callbacks {
void *private_data; /* should be used by application */
void (*channel_was_changed)( void *private_data, int channel );
void *reserved[15]; /* reserved for future use - must be NULL!!! */
void (*switch_was_changed)( void *private_data, int switchn );
void *reserved[14]; /* reserved for future use - must be NULL!!! */
} snd_mixer_callbacks_t;
#ifdef __cplusplus
@ -25,8 +26,9 @@ int snd_mixer_channel( void *handle, const char *channel_id );
int snd_mixer_channel_info( void *handle, int channel, snd_mixer_channel_info_t *info );
int snd_mixer_channel_read( void *handle, int channel, snd_mixer_channel_t *data );
int snd_mixer_channel_write( void *handle, int channel, snd_mixer_channel_t *data );
int snd_mixer_special_read( void *handle, snd_mixer_special_t *special );
int snd_mixer_special_write( void *handle, snd_mixer_special_t *special );
int snd_mixer_switches( void *handle );
int snd_mixer_switch_read( void *handle, int switchn, snd_mixer_switch_t *data );
int snd_mixer_switch_write( void *handle, int switchn, snd_mixer_switch_t *data );
int snd_mixer_read( void *handle, snd_mixer_callbacks_t *callbacks );
#ifdef __cplusplus