system/pipewire
system/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire synced 2024-07-21 02:05:38 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

filter-chain: use node name and port name for control

Browse source 
Address controls with node_name:port_name to access all properties
in the graph.
This commit is contained in:
Wim Taymans 2021-05-07 16:02:16 +02:00
parent 4d1fa14774
commit f9a29c5424
1 changed files with 81 additions and 73 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

154
src/modules/module-filter-chain.c
View file

@ -128,7 +128,10 @@ struct ladspa_descriptor {
};
struct port {
struct spa_list link;
struct node *node;
uint32_t idx;
unsigned long p;
struct spa_list link_list;
@ -140,6 +143,8 @@ struct port {
struct node {
struct spa_list link;
struct graph *graph;
struct ladspa_descriptor *desc;
char name[256];
@ -351,6 +356,59 @@ static float get_default(struct impl *impl, struct ladspa_descriptor *desc, uint
return def;
}
static struct node *find_node(struct graph *graph, const char *name)
{
struct node *node;
spa_list_for_each(node, &graph->node_list, link) {
if (strcmp(node->name, name) == 0)
return node;
}
return NULL;
}
static struct port *find_port(struct graph *graph, const char *name, int descriptor)
{
struct node *node;
char *col, *node_name, *port_name, *str;
struct port *ports;
const LADSPA_Descriptor *d;
uint32_t i, n_ports;
str = strdupa(name);
col = strchr(str, ':');
if (col != NULL) {
node_name = str;
port_name = col + 1;
*col = '\0';
node = find_node(graph, node_name);
} else {
node = LADSPA_IS_PORT_INPUT(descriptor) ?
spa_list_first(&graph->node_list, struct node, link) :
spa_list_last(&graph->node_list, struct node, link);
node_name = node->name;
port_name = str;
}
if (node == NULL)
return NULL;
if (LADSPA_IS_PORT_INPUT(descriptor)) {
ports = node->input_port;
n_ports = node->desc->n_input;
} else if (LADSPA_IS_PORT_OUTPUT(descriptor)) {
ports = node->output_port;
n_ports = node->desc->n_output;
} else
return NULL;
d = node->desc->desc;
for (i = 0; i < n_ports; i++) {
struct port *port = &ports[i];
if (strcmp(d->PortNames[port->p], port_name) == 0)
return port;
}
return NULL;
}
static struct spa_pod *get_prop_info(struct graph *graph, struct spa_pod_builder *b, uint32_t idx)
{
struct spa_pod_frame f[2];
@ -362,6 +420,7 @@ static struct spa_pod *get_prop_info(struct graph *graph, struct spa_pod_builder
const LADSPA_Descriptor *d = desc->desc;
LADSPA_PortRangeHintDescriptor hint = d->PortRangeHints[p].HintDescriptor;
float def, upper, lower;
char name[512];
def = get_default(impl, desc, p);
lower = d->PortRangeHints[p].LowerBound;
@ -372,11 +431,13 @@ static struct spa_pod *get_prop_info(struct graph *graph, struct spa_pod_builder
upper *= (LADSPA_Data) impl->rate;
}
snprintf(name, sizeof(name), "%s:%s", node->name, d->PortNames[p]);
spa_pod_builder_push_object(b, &f[0],
SPA_TYPE_OBJECT_PropInfo, SPA_PARAM_PropInfo);
spa_pod_builder_add (b,
SPA_PROP_INFO_id, SPA_POD_Id(SPA_PROP_START_CUSTOM + idx),
SPA_PROP_INFO_name, SPA_POD_String(d->PortNames[p]),
SPA_PROP_INFO_name, SPA_POD_String(name),
0);
spa_pod_builder_prop(b, SPA_PROP_INFO_type, 0);
if (lower == upper) {
@ -408,20 +469,18 @@ static struct spa_pod *get_props_param(struct graph *graph, struct spa_pod_build
static int set_control_value(struct node *node, const char *name, float *value)
{
uint32_t i;
struct ladspa_descriptor *desc = node->desc;
struct port *port;
float old;
for (i = 0; i < desc->n_control; i++) {
uint32_t p = desc->control[i];
if (strcmp(desc->desc->PortNames[p], name) == 0) {
struct port *port = &node->control_port[i];
float old = port->control_data;
port->control_data = value ? *value : desc->default_control[i];
pw_log_info("control %d ('%s') to %f", i, name, port->control_data);
return old == port->control_data ? 0 : 1;
}
}
return 0;
port = find_port(node->graph, name, LADSPA_PORT_INPUT | LADSPA_PORT_CONTROL);
if (port == NULL)
return 0;
old = port->control_data;
port->control_data = value ? *value : desc->default_control[port->idx];
pw_log_info("control %d ('%s') to %f", port->idx, name, port->control_data);
return old == port->control_data ? 0 : 1;
}
static void param_changed(void *data, uint32_t id, const struct spa_pod *param)
@ -591,62 +650,6 @@ static const LADSPA_Descriptor *find_descriptor(LADSPA_Descriptor_Function desc_
return NULL;
}
static struct node *find_node(struct graph *graph, const char *name)
{
struct node *node;
spa_list_for_each(node, &graph->node_list, link) {
if (strcmp(node->name, name) == 0)
return node;
}
return NULL;
}
static struct port *find_port(struct node *node, const char *name, struct port ports[], uint32_t n_ports)
{
const LADSPA_Descriptor *d = node->desc->desc;
uint32_t i;
for (i = 0; i < n_ports; i++) {
struct port *port = &ports[i];
if (strcmp(d->PortNames[port->p], name) == 0)
return port;
}
return NULL;
}
static struct port *find_node_port(struct graph *graph, char *name, int mask)
{
struct node *node;
char *col, *node_name, *port_name;
struct port *ports;
uint32_t n_ports;
col = strchr(name, ':');
if (col != NULL) {
node_name = name;
port_name = col + 1;
*col = '\0';
node = find_node(graph, node_name);
} else {
node = (mask & LADSPA_PORT_INPUT) ?
spa_list_first(&graph->node_list, struct node, link) :
spa_list_last(&graph->node_list, struct node, link);
node_name = node->name;
port_name = name;
}
if (node == NULL)
return NULL;
if (mask & LADSPA_PORT_INPUT) {
ports = node->input_port;
n_ports = node->desc->n_input;
} else {
ports = node->output_port;
n_ports = node->desc->n_output;
}
return find_port(node, port_name, ports, n_ports);
}
static uint32_t count_array(struct spa_json *json)
{
struct spa_json it = *json;
@ -861,11 +864,11 @@ static int parse_link(struct graph *graph, struct spa_json *json)
else if (spa_json_next(json, &val) < 0)
break;
}
if ((out_port = find_node_port(graph, output, LADSPA_PORT_OUTPUT)) == NULL) {
if ((out_port = find_port(graph, output, LADSPA_PORT_OUTPUT)) == NULL) {
pw_log_error("unknown output port %s", output);
return -ENOENT;
}
if ((in_port = find_node_port(graph, input, LADSPA_PORT_INPUT)) == NULL) {
if ((in_port = find_port(graph, input, LADSPA_PORT_INPUT)) == NULL) {
pw_log_error("unknown input port %s", input);
return -ENOENT;
}
@ -956,24 +959,28 @@ static int load_node(struct graph *graph, struct spa_json *json)
if (node == NULL)
return -errno;
node->graph = graph;
node->desc = desc;
snprintf(node->name, sizeof(node->name), "%s", name);
for (i = 0; i < desc->n_input; i++) {
struct port *port = &node->input_port[i];
port->node = node;
port->idx = i;
port->p = desc->input[i];
spa_list_init(&port->link_list);
}
for (i = 0; i < desc->n_output; i++) {
struct port *port = &node->output_port[i];
port->node = node;
port->idx = i;
port->p = desc->output[i];
spa_list_init(&port->link_list);
}
for (i = 0; i < desc->n_control; i++) {
struct port *port = &node->control_port[i];
port->node = node;
port->idx = i;
port->p = desc->control[i];
spa_list_init(&port->link_list);
port->control_data = desc->default_control[i];
@ -981,6 +988,7 @@ static int load_node(struct graph *graph, struct spa_json *json)
for (i = 0; i < desc->n_notify; i++) {
struct port *port = &node->notify_port[i];
port->node = node;
port->idx = i;
port->p = desc->notify[i];
spa_list_init(&port->link_list);
}
@ -1163,7 +1171,7 @@ static int setup_graph(struct graph *graph, struct spa_json *inputs, struct spa_
} else {
struct spa_json it = *inputs;
while (spa_json_get_string(&it, v, sizeof(v)) > 0) {
if ((port = find_node_port(graph, v, LADSPA_PORT_INPUT)) == NULL) {
if ((port = find_port(graph, v, LADSPA_PORT_INPUT)) == NULL) {
res = -ENOENT;
pw_log_error("input port %s not found", v);
goto error;
@ -1192,7 +1200,7 @@ static int setup_graph(struct graph *graph, struct spa_json *inputs, struct spa_
} else {
struct spa_json it = *outputs;
while (spa_json_get_string(&it, v, sizeof(v)) > 0) {
if ((port = find_node_port(graph, v, LADSPA_PORT_OUTPUT)) == NULL) {
if ((port = find_port(graph, v, LADSPA_PORT_OUTPUT)) == NULL) {
res = -ENOENT;
pw_log_error("output port %s not found", v);
goto error;