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feat: some mixer-related procs and data types

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Illusion
2025-07-07 23:40:11 +02:00
parent 7c8a698295
commit 3d2c45a077
1 changed files with 64 additions and 0 deletions
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alsa.odin
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@@ -209,10 +209,34 @@ pcm_chmap_position :: enum i32 {
LAST = BRC,
}
mixer_selem_channel_id_t :: enum i32 {
UNKNOWN = -1,
FRONT_LEFT = 0,
FRONT_RIGHT,
REAR_LEFT,
REAR_RIGHT,
FRONT_CENTER,
WOOFER,
SIDE_LEFT,
SIDE_RIGHT,
REAR_CENTER,
MONO = FRONT_LEFT,
// LAST = 31,
}
mixer_selem_regopt_abstract :: enum i32 {
NONE = 0,
BASIC,
}
pcm_uframes_t :: c.ulong
pcm_sframes_t :: c.long
pcm_t :: struct{}
pcm_hw_params_t :: struct{}
mixer_t :: struct{}
mixer_class_t :: struct{}
mixer_selem_id_t :: struct{}
mixer_elem_t :: struct{}
pcm_chmap_t :: struct {
// Number of channels
@@ -221,6 +245,14 @@ pcm_chmap_t :: struct {
pos: [0]u32,
}
mixer_selem_regopt :: struct {
ver: c.int,
abstract: mixer_selem_regopt_abstract,
device: cstring,
playback_pcm: ^pcm_t,
capture_pcm: ^pcm_t,
}
@(link_prefix="snd_")
foreign alsa {
pcm_open :: proc(pcmp: ^^pcm_t, name: cstring, stream: pcm_stream_t, mode: pcm_open_flags) -> i32 ---
@@ -244,4 +276,36 @@ foreign alsa {
pcm_hw_params_set_channels :: proc(pcm: ^pcm_t, params: ^pcm_hw_params_t, val: u32) ---
pcm_chmap_long_name :: proc(val: pcm_chmap_position) -> cstring ---
pcm_get_chmap :: proc(pcm: ^pcm_t) -> ^pcm_chmap_t ---
mixer_open :: proc(mixerp: ^^mixer_t, mode: c.int) -> c.int ---
mixer_attach :: proc(mixer: ^mixer_t, name: cstring) -> c.int ---
mixer_selem_register :: proc(mixer: ^mixer_t, options: ^mixer_selem_regopt, classp: ^^mixer_class_t) -> c.int ---
mixer_load :: proc(mixer: ^mixer_t) -> c.int ---
mixer_first_elem :: proc(mixer: ^mixer_t) -> ^mixer_elem_t ---
mixer_elem_next :: proc(elem: ^mixer_elem_t) -> ^mixer_elem_t ---
// MACRO: mixer_selem_id_alloca :: proc() ---
mixer_selem_id_malloc :: proc(ptr: ^^mixer_selem_id_t) -> c.int ---
mixer_selem_id_set_index :: proc(obj: ^mixer_selem_id_t, val: c.uint) ---
mixer_selem_id_set_name :: proc(obj: ^mixer_selem_id_t, val: cstring) ---
mixer_selem_get_name :: proc(elem: ^mixer_elem_t) -> cstring ---
mixer_find_selem :: proc(mixer: ^mixer_t, id: ^mixer_selem_id_t) -> ^mixer_elem_t ---
mixer_selem_has_playback_switch :: proc(elem: ^mixer_elem_t) -> b32 ---
mixer_selem_set_playback_switch_all :: proc(elem: ^mixer_elem_t, value: c.int) -> c.int ---
/*
Return value of playback switch control of a mixer simple element.
Parameters
elem Mixer simple element handle
channel mixer simple element channel identifier
value pointer to returned value
Returns
0 on success otherwise a negative error code
*/
mixer_selem_get_playback_switch :: proc(elem: ^mixer_elem_t, channel: mixer_selem_channel_id_t, value: ^c.int) -> c.int ---
mixer_selem_has_capture_switch :: proc(mixer: ^mixer_elem_t) -> b32 ---
mixer_selem_get_capture_switch :: proc(elem: ^mixer_elem_t, channel: mixer_selem_channel_id_t, value: ^c.int) -> c.int ---
mixer_selem_set_capture_switch :: proc(elem: ^mixer_elem_t, channel: mixer_selem_channel_id_t, value: c.int) -> c.int ---
mixer_selem_id_free :: proc(obj: ^mixer_selem_id_t) ---
mixer_close :: proc(mixer: ^mixer_t) -> c.int ---
}