pthread_join     3415 ffmpeg.c               pthread_join(f->thread, NULL);
pthread_join      237 libavcodec/frame_thread_encoder.c          pthread_join(c->worker[i], NULL);
pthread_join      512 libavcodec/libstagefright.cpp         pthread_join(s->decode_thread_id, NULL);
pthread_join      571 libavcodec/pthread_frame.c             pthread_join(p->thread, NULL);
pthread_join      120 libavcodec/pthread_slice.c          pthread_join(c->workers[i], NULL);
pthread_join      442 libavdevice/iec61883.c     pthread_join(dv->receive_task_thread, NULL);
pthread_join      109 libavfilter/pthread.c          pthread_join(c->workers[i], NULL);
pthread_join      935 libavformat/udp.c         ret = pthread_join(s->circular_buffer_thread, NULL);