ff_mutex_lock     527 libavcodec/utils.c         ff_mutex_lock(&codec_mutex);
ff_mutex_lock     561 libavformat/allformats.c     ff_mutex_lock(&avpriv_register_devices_mutex);
ff_mutex_lock     645 libavformat/allformats.c     ff_mutex_lock(&avpriv_register_devices_mutex);
ff_mutex_lock      80 libavformat/utils.c     return ff_mutex_lock(&avformat_mutex) ? -1 : 0;
ff_mutex_lock     297 libavutil/buffer.c     ff_mutex_lock(&pool->mutex);
ff_mutex_lock     342 libavutil/buffer.c     ff_mutex_lock(&pool->mutex);
ff_mutex_lock     364 libavutil/log.c     ff_mutex_lock(&mutex);