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libobs: Check for removals in obs_enum_sources

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Checks for removals while enumerating, which allows one to be able to
remove a source in the enumeration.
This commit is contained in:
jp9000 2015-06-27 18:14:33 -07:00
parent 5bcaa7b590
commit 4ed1ee7009
1 changed files with 9 additions and 0 deletions
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9
libobs/obs.c
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@ -1174,8 +1174,17 @@ void obs_enum_sources(bool (*enum_proc)(void*, obs_source_t*), void *param)
for (size_t i = 0; i < obs->data.user_sources.num; i++) {
struct obs_source *source = obs->data.user_sources.array[i];
size_t prev_size = obs->data.user_sources.num;
if (!enum_proc(param, source))
break;
/* To ensure the save data is always consistent, we always want
* to traverse this list forward. Because of that, we have to
* manually check to see if the source was removed in the
* enumeration proc and adjust it accordingly */
if (obs->data.user_sources.num < prev_size)
i--;
}
pthread_mutex_unlock(&obs->data.user_sources_mutex);