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avutil/executor: Fix missing check before using mutex
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@ -194,14 +194,17 @@ void av_executor_execute(AVExecutor *e, AVTask *t)
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AVTaskCallbacks *cb = &e->cb;
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AVTask **prev;
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ff_mutex_lock(&e->lock);
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if (e->thread_count)
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ff_mutex_lock(&e->lock);
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if (t) {
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for (prev = &e->tasks; *prev && cb->priority_higher(*prev, t); prev = &(*prev)->next)
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/* nothing */;
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add_task(prev, t);
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}
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ff_cond_signal(&e->cond);
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ff_mutex_unlock(&e->lock);
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if (e->thread_count) {
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ff_cond_signal(&e->cond);
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ff_mutex_unlock(&e->lock);
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}
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if (!e->thread_count || !HAVE_THREADS) {
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// We are running in a single-threaded environment, so we must handle all tasks ourselves
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