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