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filter-graph: add latency reporting to the convolver

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This commit is contained in:
Wim Taymans 2025-05-07 16:37:14 +02:00
parent e545efdb6e
commit dbca286de8
1 changed files with 20 additions and 2 deletions
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22
spa/plugins/filter-graph/builtin_plugin.c
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@ -687,7 +687,8 @@ struct convolver_impl {
struct spa_log *log;
struct spa_fga_dsp *dsp;
unsigned long rate;
float *port[2];
float *port[3];
unsigned long latency;
struct convolver *conv;
};
@ -1068,6 +1069,8 @@ static void * convolver_instantiate(const struct spa_fga_plugin *plugin, const s
if (impl->conv == NULL)
goto error;
impl->latency = n_samples;
free(samples);
return impl;
@ -1101,8 +1104,20 @@ static struct spa_fga_port convolve_ports[] = {
.name = "In",
.flags = SPA_FGA_PORT_INPUT | SPA_FGA_PORT_AUDIO,
},
{ .index = 2,
.name = "latency",
.hint = SPA_FGA_HINT_LATENCY,
.flags = SPA_FGA_PORT_OUTPUT | SPA_FGA_PORT_CONTROL,
},
};
static void convolver_activate(void * Instance)
{
struct convolver_impl *impl = Instance;
if (impl->port[2] != NULL)
impl->port[2][0] = impl->latency;
}
static void convolver_deactivate(void * Instance)
{
struct convolver_impl *impl = Instance;
@ -1114,17 +1129,20 @@ static void convolve_run(void * Instance, unsigned long SampleCount)
struct convolver_impl *impl = Instance;
if (impl->port[1] != NULL && impl->port[0] != NULL)
convolver_run(impl->conv, impl->port[1], impl->port[0], SampleCount);
if (impl->port[2] != NULL)
impl->port[2][0] = impl->latency;
}
static const struct spa_fga_descriptor convolve_desc = {
.name = "convolver",
.flags = SPA_FGA_DESCRIPTOR_SUPPORTS_NULL_DATA,
.n_ports = 2,
.n_ports = SPA_N_ELEMENTS(convolve_ports),
.ports = convolve_ports,
.instantiate = convolver_instantiate,
.connect_port = convolver_connect_port,
.activate = convolver_activate,
.deactivate = convolver_deactivate,
.run = convolve_run,
.cleanup = convolver_cleanup,