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param: improve pw_param

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Add a sequence number to pw_param.
Add param_info to param_update to filter out the params of the latest
sequence number.

This can be used to track params from a certain sequence number. Update
node, port and device.
This commit is contained in:
Wim Taymans 2022-10-30 14:57:04 +01:00
parent a2278a5f70
commit c5f7d3a728
5 changed files with 38 additions and 22 deletions
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20
src/pipewire/private.h
View file

@ -104,6 +104,7 @@ static inline bool ratelimit_test(struct ratelimit *r, uint64_t now, enum spa_lo
struct pw_param {
uint32_t id;
int32_t seq;
struct spa_list link;
struct spa_pod *param;
};
@ -123,7 +124,7 @@ static inline uint32_t pw_param_clear(struct spa_list *param_list, uint32_t id)
return count;
}
static inline struct pw_param *pw_param_add(struct spa_list *params,
static inline struct pw_param *pw_param_add(struct spa_list *params, int32_t seq,
uint32_t id, const struct spa_pod *param)
{
struct pw_param *p;
@ -140,6 +141,7 @@ static inline struct pw_param *pw_param_add(struct spa_list *params,
return NULL;
p->id = id;
p->seq = seq;
if (param != NULL) {
p->param = SPA_PTROFF(p, sizeof(*p), struct spa_pod);
memcpy(p->param, param, SPA_POD_SIZE(param));
@ -151,10 +153,22 @@ static inline struct pw_param *pw_param_add(struct spa_list *params,
return p;
}
static inline void pw_param_update(struct spa_list *param_list, struct spa_list *pending_list)
static inline void pw_param_update(struct spa_list *param_list, struct spa_list *pending_list,
uint32_t n_params, struct spa_param_info *params)
{
struct pw_param *p;
struct pw_param *p, *t;
uint32_t i;
for (i = 0; i < n_params; i++) {
spa_list_for_each_safe(p, t, pending_list, link) {
if (p->id == params[i].id &&
p->seq != params[i].seq &&
p->param != NULL) {
spa_list_remove(&p->link);
free(p);
}
}
}
spa_list_consume(p, pending_list, link) {
spa_list_remove(&p->link);
if (p->param == NULL) {