From: Zhao Zhili <zhiliz...@tencent.com>
av_executor_execute run the task directly when thread is disabled.
The task can schedule a new task by call av_executor_execute. This
forms an implicit recursive call. This patch removed the recursive
call.
---
libavutil/executor.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavutil/executor.c b/libavutil/executor.c
index 89058fab2f..c145c51be9 100644
--- a/libavutil/executor.c
+++ b/libavutil/executor.c
@@ -58,6 +58,7 @@ struct AVExecutor {
int die;
AVTask *tasks;
+ int stack_depth;
};
static AVTask* remove_task(AVTask **prev, AVTask *t)
@@ -207,8 +208,12 @@ void av_executor_execute(AVExecutor *e, AVTask *t)
}
if (!e->thread_count || !HAVE_THREADS) {
+ if (e->stack_depth > 0)
+ return;
+ e->stack_depth++;
// We are running in a single-threaded environment, so we must handle
all tasks ourselves
while (run_one_task(e, e->local_contexts))
/* nothing */;
+ e->stack_depth--;
}
}
--
2.42.0
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