mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-10-31 22:25:38 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

alsa-seq: add port latency reporting

Browse source
This commit is contained in:
Wim Taymans 2021-05-24 13:12:00 +02:00
parent cd32404e92
commit 0779862cda
2 changed files with 18 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

16
spa/plugins/alsa/alsa-seq-bridge.c
View file

@ -411,6 +411,7 @@ static void init_port(struct seq_state *state, struct seq_port *port, const snd_
port->params[IDX_IO] = SPA_PARAM_INFO(SPA_PARAM_IO, SPA_PARAM_INFO_READ);
port->params[IDX_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
port->params[IDX_Buffers] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
port->params[IDX_Latency] = SPA_PARAM_INFO(SPA_PARAM_Latency, SPA_PARAM_INFO_READWRITE);
port->info.params = port->params;
port->info.n_params = N_PORT_PARAMS;
@ -574,6 +575,21 @@ impl_node_port_enum_params(void *object, int seq,
}
break;
case SPA_PARAM_Latency:
switch (result.index) {
case 0:
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamLatency, id,
SPA_PARAM_LATENCY_direction, SPA_POD_Id(direction),
SPA_PARAM_LATENCY_quantum, SPA_POD_Float(1.0f),
SPA_PARAM_LATENCY_min, SPA_POD_Int(0),
SPA_PARAM_LATENCY_max, SPA_POD_Int(0));
break;
default:
return 0;
}
break;
default:
return -ENOENT;
}

3
spa/plugins/alsa/alsa-seq.h
View file

@ -76,7 +76,8 @@ struct seq_port {
#define IDX_IO 2
#define IDX_Format 3
#define IDX_Buffers 4
#define N_PORT_PARAMS 5
#define IDX_Latency 5
#define N_PORT_PARAMS 6
struct spa_param_info params[N_PORT_PARAMS];
struct spa_io_buffers *io;