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support: add property to configure clock name

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Add a clock.name property on the driver node. By default this is
clock.system.monotonic for the monotonic system clock.
This commit is contained in:
Wim Taymans 2021-12-10 11:22:23 +01:00
parent 0648297fcb
commit 53352c0c81
1 changed files with 17 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

22
spa/plugins/support/node-driver.c
View file

@ -42,9 +42,11 @@
#define NAME "driver"
#define DEFAULT_FREEWHEEL false
#define DEFAULT_CLOCK_NAME "clock.system.monotonic"
struct props {
bool freewheel;
char clock_name[64];
};
struct impl {
@ -78,6 +80,8 @@ struct impl {
static void reset_props(struct props *props)
{
props->freewheel = DEFAULT_FREEWHEEL;
spa_scnprintf(props->clock_name, sizeof(props->clock_name),
"%s", DEFAULT_CLOCK_NAME);
}
static void set_timeout(struct impl *this, uint64_t next_time)
@ -154,6 +158,9 @@ static int impl_node_set_io(void *object, uint32_t id, void *data, size_t size)
if (size > 0 && size < sizeof(struct spa_io_clock))
return -EINVAL;
this->clock = data;
if (this->clock)
spa_scnprintf(this->clock->name, sizeof(this->clock->name),
"%s", this->props.clock_name);
break;
case SPA_IO_Position:
if (size > 0 && size < sizeof(struct spa_io_position))
@ -372,7 +379,7 @@ impl_init(const struct spa_handle_factory *factory,
uint32_t n_support)
{
struct impl *this;
const char *str;
uint32_t i;
spa_return_val_if_fail(factory != NULL, -EINVAL);
spa_return_val_if_fail(handle != NULL, -EINVAL);
@ -426,11 +433,16 @@ impl_init(const struct spa_handle_factory *factory,
reset_props(&this->props);
if (info) {
if ((str = spa_dict_lookup(info, "node.freewheel")) != NULL)
this->props.freewheel = spa_atob(str);
for (i = 0; info && i < info->n_items; i++) {
const char *k = info->items[i].key;
const char *s = info->items[i].value;
if (spa_streq(k, "node.freewheel")) {
this->props.freewheel = spa_atob(s);
} else if (spa_streq(k, "clock.name")) {
spa_scnprintf(this->props.clock_name,
sizeof(this->props.clock_name), "%s", s);
}
}
spa_loop_add_source(this->data_loop, &this->timer_source);
return 0;