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hook: return number of hooks called

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Do finish_format ourselved when nobody was listening for the
format change.
This commit is contained in:
Wim Taymans 2018-03-14 11:17:51 +01:00
parent fb7a51c6e7
commit 8cadcd7f56
2 changed files with 13 additions and 4 deletions
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6
spa/include/spa/utils/hook.h
View file

@ -78,19 +78,23 @@ static inline void spa_hook_remove(struct spa_hook *hook)
}
/** Call all hooks in a list, starting from the given one and optionally stopping
* after calling the first non-NULL function */
* after calling the first non-NULL function, returns the number of methods
* called */
#define spa_hook_list_do_call(l,start,type,method,once,...) ({ \
struct spa_hook_list *list = l; \
struct spa_list *s = start ? (struct spa_list *)start : &list->list; \
struct spa_hook *ci, *t; \
int count = 0; \
spa_list_for_each_safe_next(ci, t, &list->list, s, link) { \
const type *cb = ci->funcs; \
if (cb->method) { \
cb->method(ci->data, ## __VA_ARGS__); \
count++; \
if (once) \
break; \
} \
} \
count; \
})
#define spa_hook_list_call(l,t,m,...) spa_hook_list_do_call(l,NULL,t,m,false,##__VA_ARGS__)

7
src/pipewire/stream.c
View file

@ -800,6 +800,8 @@ client_node_port_set_param(void *data,
struct pw_type *t = &stream->remote->core->type;
if (id == t->param.idFormat) {
int count;
pw_log_debug("stream %p: format changed %d", stream, seq);
if (impl->format)
@ -814,10 +816,13 @@ client_node_port_set_param(void *data,
impl->pending_seq = seq;
spa_hook_list_call(&stream->listener_list,
count = spa_hook_list_call(&stream->listener_list,
struct pw_stream_events,
format_changed, impl->format);
if (count == 0)
pw_stream_finish_format(stream, 0, NULL, 0);
if (impl->format)
stream_set_state(stream, PW_STREAM_STATE_READY, NULL);
else