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module-eq: format floats as JSON floats

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Don't use %f to serialize floats to JSON but use the json formatter
because in some locales, the decimal point becomes a , which does not
parse as a float anymore.

Also reformat some lines.

Fixes #4418
This commit is contained in:
Wim Taymans 2024-10-10 11:27:25 +02:00
parent d2857c2129
commit 5a492c2265
1 changed files with 15 additions and 5 deletions
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20
src/modules/module-parametric-equalizer.c
View file

@ -8,6 +8,7 @@
#include "config.h"
#include <spa/utils/result.h>
#include <spa/utils/json.h>
#include <spa/param/audio/raw.h>
#include <pipewire/impl.h>
@ -147,7 +148,8 @@ static const struct pw_impl_module_events filter_chain_module_events = {
.destroy = filter_chain_module_destroy,
};
void init_eq_node(FILE *f, const char *node_desc) {
void init_eq_node(FILE *f, const char *node_desc)
{
fprintf(f, "{\n");
fprintf(f, "node.description = \"%s\"\n", node_desc);
fprintf(f, "media.name = \"%s\"\n", node_desc);
@ -155,7 +157,10 @@ void init_eq_node(FILE *f, const char *node_desc) {
fprintf(f, "nodes = [\n");
}
void add_eq_node(FILE *f, struct eq_node_param *param, uint32_t eq_band_idx) {
void add_eq_node(FILE *f, struct eq_node_param *param, uint32_t eq_band_idx)
{
char str1[64], str2[64];
fprintf(f, "{\n");
fprintf(f, "type = builtin\n");
fprintf(f, "name = eq_band_%d\n", eq_band_idx);
@ -170,12 +175,15 @@ void add_eq_node(FILE *f, struct eq_node_param *param, uint32_t eq_band_idx) {
fprintf(f, "label = bq_peaking\n");
}
fprintf(f, "control = { \"Freq\" = %d \"Q\" = %f \"Gain\" = %f }\n", param->freq, param->q_fact, param->gain);
fprintf(f, "control = { \"Freq\" = %d \"Q\" = %s \"Gain\" = %s }\n", param->freq,
spa_json_format_float(str1, sizeof(str1), param->q_fact),
spa_json_format_float(str2, sizeof(str2), param->gain));
fprintf(f, "}\n");
}
void end_eq_node(struct impl *impl, FILE *f, uint32_t number_of_nodes) {
void end_eq_node(struct impl *impl, FILE *f, uint32_t number_of_nodes)
{
fprintf(f, "]\n");
fprintf(f, "links = [\n");
@ -266,7 +274,9 @@ int32_t parse_eq_filter_file(struct impl *impl, FILE *f)
* Use a field width of 6 for gain and Q to account for any
* possible zeros.
*/
if (sscanf(line, "%*s %*d: %3s %3s %*s %5d %*s %*s %6f %*s %*c %6f", eq_param.filter, eq_param.filter_type, &eq_param.freq, &eq_param.gain, &eq_param.q_fact) == 5) {
if (sscanf(line, "%*s %*d: %3s %3s %*s %5d %*s %*s %6f %*s %*c %6f",
eq_param.filter, eq_param.filter_type, &eq_param.freq,
&eq_param.gain, &eq_param.q_fact) == 5) {
if (strcmp(eq_param.filter, "ON") == 0) {
add_eq_node(memstream, &eq_param, eq_band_idx);