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pthread: Change a signal to a broadcast as multiple threads
have been seen waiting and deadlocking on it in bug125. Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -960,7 +960,7 @@ int ff_thread_get_buffer(AVCodecContext *avctx, AVFrame *f)
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p->requested_frame = f;
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p->state = STATE_GET_BUFFER;
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pthread_mutex_lock(&p->progress_mutex);
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pthread_cond_signal(&p->progress_cond);
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pthread_cond_broadcast(&p->progress_cond);
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while (p->state != STATE_SETTING_UP)
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pthread_cond_wait(&p->progress_cond, &p->progress_mutex);
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