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458cc7e314
This commit adds decoding support to libavcodec for Jpeg XL images via the external library libjxl.
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/*
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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/memory_manager.h>
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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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