FFmpeg
libjxl.h
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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 #include <jxl/version.h>
32 
33 /**
34  * Transform threadcount in ffmpeg to one used by libjxl.
35  *
36  * @param threads ffmpeg's threads AVOption
37  * @return thread count for libjxl's parallel runner
38  */
39 size_t ff_libjxl_get_threadcount(int threads);
40 
41 /**
42  * Initialize and populate a JxlMemoryManager
43  * with av_malloc() and av_free() so libjxl will use these
44  * functions.
45  * @param manager a pointer to a JxlMemoryManager struct
46  */
47 void ff_libjxl_init_memory_manager(JxlMemoryManager *manager);
48 
49 #endif /* AVCODEC_LIBJXL_H */
ff_libjxl_init_memory_manager
void ff_libjxl_init_memory_manager(JxlMemoryManager *manager)
Initialize and populate a JxlMemoryManager with av_malloc() and av_free() so libjxl will use these fu...
Definition: libjxl.c:65
ff_libjxl_get_threadcount
size_t ff_libjxl_get_threadcount(int threads)
Transform threadcount in ffmpeg to one used by libjxl.
Definition: libjxl.c:33