mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2026-05-24 21:38:05 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

add per type API defines

Browse source
This commit is contained in:
Wim Taymans 2024-11-21 11:50:12 +01:00
parent b03f2f7afa
commit 31802d4994
85 changed files with 1137 additions and 509 deletions
Download patch file Download diff file Expand all files Collapse all files

14
spa/include/spa/utils/dll.h
View file

@ -14,6 +14,14 @@ extern "C" {
#include <spa/utils/defs.h>
#ifndef SPA_API_DLL
#ifdef SPA_API_IMPL
#define SPA_API_DLL SPA_API_IMPL
#else
#define SPA_API_DLL static inline
#endif
#endif
#define SPA_DLL_BW_MAX 0.128
#define SPA_DLL_BW_MIN 0.016
@ -23,13 +31,13 @@ struct spa_dll {
double w0, w1, w2;
};
SPA_API_IMPL void spa_dll_init(struct spa_dll *dll)
SPA_API_DLL void spa_dll_init(struct spa_dll *dll)
{
dll->bw = 0.0;
dll->z1 = dll->z2 = dll->z3 = 0.0;
}
SPA_API_IMPL void spa_dll_set_bw(struct spa_dll *dll, double bw, unsigned period, unsigned rate)
SPA_API_DLL void spa_dll_set_bw(struct spa_dll *dll, double bw, unsigned period, unsigned rate)
{
double w = 2 * M_PI * bw * period / rate;
dll->w0 = 1.0 - exp (-20.0 * w);
@ -38,7 +46,7 @@ SPA_API_IMPL void spa_dll_set_bw(struct spa_dll *dll, double bw, unsigned period
dll->bw = bw;
}
SPA_API_IMPL double spa_dll_update(struct spa_dll *dll, double err)
SPA_API_DLL double spa_dll_update(struct spa_dll *dll, double err)
{
dll->z1 += dll->w0 * (dll->w1 * err - dll->z1);
dll->z2 += dll->w0 * (dll->z1 - dll->z2);