1 /* 2 * JPEG XL de/encoding via libjxl, common support header 3 * Copyright (c) 2021 Leo Izen <leo.izen@gmail.com> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 /** 23 * @file 24 * JPEG XL via libjxl common support header 25 */ 26 27 #ifndef AVCODEC_LIBJXL_H 28 #define AVCODEC_LIBJXL_H 29 30 #include <jxl/memory_manager.h> 31 32 /** 33 * Transform threadcount in ffmpeg to one used by libjxl. 34 * 35 * @param threads ffmpeg's threads AVOption 36 * @return thread count for libjxl's parallel runner 37 */ 38 size_t ff_libjxl_get_threadcount(int threads); 39 40 /** 41 * Initialize and populate a JxlMemoryManager 42 * with av_malloc() and av_free() so libjxl will use these 43 * functions. 44 * @param manager a pointer to a JxlMemoryManager struct 45 */ 46 void ff_libjxl_init_memory_manager(JxlMemoryManager *manager); 47 48 #endif /* AVCODEC_LIBJXL_H */ 49