1 /* 2 * Copyright (c) 2020 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21 #ifndef AVFILTER_DNN_SAFE_QUEUE_H 22 #define AVFILTER_DNN_SAFE_QUEUE_H 23 24 typedef struct SafeQueue SafeQueue; 25 26 SafeQueue *ff_safe_queue_create(void); 27 void ff_safe_queue_destroy(SafeQueue *sq); 28 29 size_t ff_safe_queue_size(SafeQueue *sq); 30 31 int ff_safe_queue_push_front(SafeQueue *sq, void *v); 32 int ff_safe_queue_push_back(SafeQueue *sq, void *v); 33 34 void *ff_safe_queue_pop_front(SafeQueue *sq); 35 36 #endif 37