diff options
Diffstat (limited to 'include/tinyalsa/mixer.h')
| -rw-r--r-- | include/tinyalsa/mixer.h | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/include/tinyalsa/mixer.h b/include/tinyalsa/mixer.h index 77d5d01..7d0580f 100644 --- a/include/tinyalsa/mixer.h +++ b/include/tinyalsa/mixer.h @@ -37,19 +37,34 @@ #include <sys/time.h> #include <stddef.h> -#include <sound/asound.h> #if defined(__cplusplus) extern "C" { #endif -/* TLV header size*/ -#define TLV_HEADER_SIZE sizeof(struct snd_ctl_tlv) - struct mixer; struct mixer_ctl; +// mixer_ctl_event is a mirroring structure of snd_ctl_event +struct mixer_ctl_event { + int type; + union { + struct { + unsigned int mask; + struct { + unsigned int numid; + int iface; + unsigned int device; + unsigned int subdevice; + unsigned char name[44]; + unsigned int index; + } id; + } element; + unsigned char data[60]; + } data; +}; + /** Mixer control type. * @ingroup libtinyalsa-mixer */ @@ -138,7 +153,7 @@ int mixer_ctl_get_range_min(const struct mixer_ctl *ctl); int mixer_ctl_get_range_max(const struct mixer_ctl *ctl); -int mixer_read_event(struct mixer *mixer, struct snd_ctl_event *ev); +int mixer_read_event(struct mixer *mixer, struct mixer_ctl_event *event); int mixer_consume_event(struct mixer *mixer); #if defined(__cplusplus) |