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filter: add PARAM_Latency support

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Announce the Latency param in pw-filter.
Mark the latency param as writable. It becomes readable when we provide
a value.
This commit is contained in:
Wim Taymans 2021-05-31 16:12:26 +02:00
parent 8485622923
commit 743eaf4aa2
2 changed files with 6 additions and 2 deletions
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6
src/pipewire/filter.c
View file

@ -105,7 +105,8 @@ struct 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;
@ -188,6 +189,8 @@ static int get_port_param_index(uint32_t id)
return IDX_Format;
case SPA_PARAM_Buffers:
return IDX_Buffers;
case SPA_PARAM_Latency:
return IDX_Latency;
default:
return -1;
}
@ -1493,6 +1496,7 @@ void *pw_filter_add_port(struct pw_filter *filter,
p->params[IDX_IO] = SPA_PARAM_INFO(SPA_PARAM_IO, 0);
p->params[IDX_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
p->params[IDX_Buffers] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
p->params[IDX_Latency] = SPA_PARAM_INFO(SPA_PARAM_Buffers, SPA_PARAM_INFO_WRITE);
p->info.params = p->params;
p->info.n_params = N_PORT_PARAMS;

2
src/pipewire/stream.c
View file

@ -1657,7 +1657,7 @@ pw_stream_connect(struct pw_stream *stream,
impl->port_params[IDX_IO] = SPA_PARAM_INFO(SPA_PARAM_IO, 0);
impl->port_params[IDX_Format] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
impl->port_params[IDX_Buffers] = SPA_PARAM_INFO(SPA_PARAM_Buffers, 0);
impl->port_params[IDX_Latency] = SPA_PARAM_INFO(SPA_PARAM_Latency, 0);
impl->port_params[IDX_Latency] = SPA_PARAM_INFO(SPA_PARAM_Latency, SPA_PARAM_INFO_WRITE);
impl->port_info.props = &impl->port_props->dict;
impl->port_info.params = impl->port_params;
impl->port_info.n_params = N_PORT_PARAMS;