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: make window configurable

Browse source 
Add kaiser window
This commit is contained in:
Wim Taymans 2025-11-14 18:15:38 +01:00
parent 18ff08243b
commit bfd26c98e3
5 changed files with 422 additions and 66 deletions
Download patch file Download diff file Expand all files Collapse all files

23
spa/plugins/audioconvert/spa-resample.c
View file

@ -29,7 +29,10 @@ struct data {
bool verbose;
int rate;
int format;
uint32_t window;
int quality;
uint32_t n_taps;
double params[4];
int cpu_flags;
const char *iname;
@ -43,14 +46,17 @@ struct data {
#define STR_FMTS "(s8|s16|s32|f32|f64)"
#define OPTIONS "hvr:f:q:c:"
#define OPTIONS "hvr:f:q:c:w:p:t:"
static const struct option long_options[] = {
{ "help", no_argument, NULL, 'h'},
{ "verbose", no_argument, NULL, 'v'},
{ "rate", required_argument, NULL, 'r' },
{ "format", required_argument, NULL, 'f' },
{ "window", required_argument, NULL, 'w' },
{ "quality", required_argument, NULL, 'q' },
{ "param", required_argument, NULL, 'p' },
{ "taps", required_argument, NULL, 't' },
{ "cpuflags", required_argument, NULL, 'c' },
{ NULL, 0, NULL, 0 }
@ -70,7 +76,10 @@ static void show_usage(const char *name, bool is_error)
fprintf(fp,
" -r --rate Output sample rate (default as input)\n"
" -f --format Output sample format %s (default as input)\n"
" -w --window Window function blackman, exp, kaiser (default kaiser)\n"
" -q --quality Resampler quality (default %u)\n"
" -p --param Resampler param\n"
" -t --taps Resampler taps\n"
" -c --cpuflags CPU flags (default 0)\n"
"\n",
STR_FMTS, DEFAULT_QUALITY);
@ -207,6 +216,9 @@ static int do_conversion(struct data *d)
r.i_rate = d->iinfo.samplerate;
r.o_rate = d->oinfo.samplerate;
r.quality = d->quality < 0 ? DEFAULT_QUALITY : d->quality;
r.config.window = d->window;
r.config.n_taps = d->n_taps;
r.config.params[0] = d->params[0];
if ((res = resample_native_init(&r)) < 0) {
fprintf(stderr, "can't init converter: %s\n", spa_strerror(res));
return res;
@ -320,6 +332,15 @@ int main(int argc, char *argv[])
case 'c':
data.cpu_flags = strtol(optarg, NULL, 0);
break;
case 'w':
data.window = resample_window_from_label(optarg);
break;
case 'p':
data.params[0] = atof(optarg);
break;
case 't':
data.n_taps = atoi(optarg);
break;
default:
fprintf(stderr, "error: unknown option '%c'\n", c);
goto error_usage;