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module audio
$if linux {
// provide a nicer error for the user that does not have ALSA installed
#include <alsa/asoundlib.h> # Please install the `libasound2-dev` package
}
#flag -I @VEXEROOT/thirdparty/sokol
#define SOKOL_IMPL
#include "sokol_audio.h"
#flag linux -lasound
#flag darwin -framework AudioToolbox
#flag windows -lole32
//
pub type FNStreamingCB = fn (buffer &f32, num_frames int, num_channels int)
pub type FnStreamingCBWithUserData = fn (buffer &f32, num_frames int, num_channels int, user_data voidptr)
pub fn (x FNStreamingCB) str() string {
return '&FNStreamingCB{ ${ptr_str(x)} }'
}
pub fn (x FnStreamingCBWithUserData) str() string {
return '&FnStreamingCBWithUserData{ ${ptr_str(x)} }'
}
//
pub struct C.saudio_desc {
sample_rate int
num_channels int
buffer_frames int
packet_frames int
num_packets int
stream_cb FNStreamingCB
stream_userdata_cb FnStreamingCBWithUserData
user_data voidptr
}
fn C.saudio_setup(desc &C.saudio_desc)
fn C.saudio_shutdown()
fn C.saudio_isvalid() bool
fn C.saudio_userdata() voidptr
fn C.saudio_query_desc() C.saudio_desc
fn C.saudio_sample_rate() int
fn C.saudio_buffer_frames() int
fn C.saudio_channels() int
fn C.saudio_expect() int
fn C.saudio_push(frames &f32, num_frames int) int
// audio.setup - setup sokol-audio
pub fn setup(desc C.saudio_desc) {
C.saudio_setup(&desc)
}
// audio.shutdown - shutdown sokol-audio
pub fn shutdown() {
C.saudio_shutdown()
}
// audio.is_valid - true after setup if audio backend was successfully initialized
pub fn is_valid() bool {
return C.saudio_isvalid()
}
// audio.userdata - return the saudio_desc.user_data pointer
pub fn user_data() voidptr {
return C.saudio_userdata()
}
// audio.query - return a copy of the original saudio_desc struct
pub fn query() C.saudio_desc {
return C.saudio_query_desc()
}
// audio.sample_rate - actual sample rate
pub fn sample_rate() int {
return C.saudio_sample_rate()
}
// audio.buffer_frames - return actual backend buffer size in number of frames
pub fn buffer_frames() int {
return C.saudio_buffer_frames()
}
// audio.channels - actual number of channels
pub fn channels() int {
return C.saudio_channels()
}
// audio.expect - get current number of frames to fill packet queue; use in combination with audio.push/2
pub fn expect() int {
return C.saudio_expect()
}
// audio.push - push sample frames from main thread, returns number of frames actually pushed
pub fn push(frames &f32, num_frames int) int {
return C.saudio_push(frames, num_frames)
}
//
[inline]
pub fn fclamp(x f32, flo f32, fhi f32) f32 {
if x > fhi {
return fhi
}
if x < flo {
return flo
}
return x
}
pub fn min(x int, y int) int {
if x < y {
return x
}
return y
}
pub fn max(x int, y int) int {
if x < y {
return y
}
return x
}
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