mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-11-22 06:59:59 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

resample: add some more options to spa-resample

Browse source 
Make it possible to set the params by name. Dump the resampler config
in verbose mode.
This commit is contained in:
Wim Taymans 2025-11-20 13:19:21 +01:00
parent e8268969ea
commit faf4641625
3 changed files with 69 additions and 30 deletions
Download patch file Download diff file Expand all files Collapse all files

17
spa/plugins/audioconvert/resample-native.c
View file

@ -13,6 +13,8 @@
SPA_LOG_TOPIC_DEFINE(resample_log_topic, "spa.resample");
#define INHERIT_PARAM(c,q,p) if ((c)->params[p] == 0.0) (c)->params[p] = (q)->params[p];
struct quality {
uint32_t n_taps;
double cutoff_up; /* when upsampling */
@ -20,6 +22,7 @@ struct quality {
double params[RESAMPLE_MAX_PARAMS];
};
struct window_info {
uint32_t window;
void (*func) (struct resample *r, double *w, double t, uint32_t n_taps);
@ -60,9 +63,7 @@ static inline void blackman_window(struct resample *r, double *w, double t, uint
static inline void blackman_config(struct resample *r)
{
const struct quality *q = &window_info[r->config.window].qualities[r->quality];
const uint32_t p0 = RESAMPLE_PARAM_BLACKMAN_ALPHA;
if (r->config.params[p0] == 0.0)
r->config.params[p0] = q->params[p0];
INHERIT_PARAM(&r->config, q, RESAMPLE_PARAM_BLACKMAN_ALPHA);
}
static const struct quality exp_qualities[] = {
@ -97,9 +98,7 @@ static inline void exp_window(struct resample *r, double *w, double t, uint32_t
static inline void exp_config(struct resample *r)
{
const struct quality *q = &window_info[r->config.window].qualities[r->quality];
const uint32_t p0 = RESAMPLE_PARAM_EXP_A;
if (r->config.params[p0] == 0.0)
r->config.params[p0] = q->params[p0];
INHERIT_PARAM(&r->config, q, RESAMPLE_PARAM_EXP_A);
}
#include "dbesi0.c"
@ -166,9 +165,9 @@ static inline void kaiser_config(struct resample *r)
static inline void kaiser_config(struct resample *r)
{
const struct quality *q = &window_info[r->config.window].qualities[r->quality];
const uint32_t p0 = RESAMPLE_PARAM_KAISER_ALPHA;
if (r->config.params[p0] == 0.0)
r->config.params[p0] = q->params[p0];
INHERIT_PARAM(&r->config, q, RESAMPLE_PARAM_KAISER_ALPHA);
INHERIT_PARAM(&r->config, q, RESAMPLE_PARAM_KAISER_SB_ATT);
INHERIT_PARAM(&r->config, q, RESAMPLE_PARAM_KAISER_TR_BW);
}
#endif