| /* |
| * JPEG XL de/encoding via libjxl, common support header |
| * Copyright (c) 2021 Leo Izen <leo.izen@gmail.com> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file |
| * JPEG XL via libjxl common support header |
| */ |
| |
| #ifndef AVCODEC_LIBJXL_H |
| #define AVCODEC_LIBJXL_H |
| |
| #include <jxl/decode.h> |
| #include <jxl/memory_manager.h> |
| |
| /* |
| * libjxl version 0.7.0 and earlier doesn't contain these macros at all |
| * so to detect version 0.7.0 versus 0.8.0 we need to define them ourselves |
| */ |
| #ifndef JPEGXL_COMPUTE_NUMERIC_VERSION |
| #define JPEGXL_COMPUTE_NUMERIC_VERSION(major,minor,patch) ((major<<24) | (minor<<16) | (patch<<8) | 0) |
| #endif |
| #ifndef JPEGXL_NUMERIC_VERSION |
| #define JPEGXL_NUMERIC_VERSION JPEGXL_COMPUTE_NUMERIC_VERSION(0, 7, 0) |
| #endif |
| |
| /** |
| * Transform threadcount in ffmpeg to one used by libjxl. |
| * |
| * @param threads ffmpeg's threads AVOption |
| * @return thread count for libjxl's parallel runner |
| */ |
| size_t ff_libjxl_get_threadcount(int threads); |
| |
| /** |
| * Initialize and populate a JxlMemoryManager |
| * with av_malloc() and av_free() so libjxl will use these |
| * functions. |
| * @param manager a pointer to a JxlMemoryManager struct |
| */ |
| void ff_libjxl_init_memory_manager(JxlMemoryManager *manager); |
| |
| #endif /* AVCODEC_LIBJXL_H */ |