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35 lines
1.3 KiB
C
35 lines
1.3 KiB
C
/*
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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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#ifndef AVUTIL_ATTRIBUTES_INTERNAL_H
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#define AVUTIL_ATTRIBUTES_INTERNAL_H
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#include "attributes.h"
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#if (AV_GCC_VERSION_AT_LEAST(4,0) || defined(__clang__)) && (defined(__ELF__) || defined(__MACH__))
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# define attribute_visibility_hidden __attribute__((visibility("hidden")))
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# define FF_VISIBILITY_PUSH_HIDDEN _Pragma("GCC visibility push(hidden)")
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# define FF_VISIBILITY_POP_HIDDEN _Pragma("GCC visibility pop")
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#else
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# define attribute_visibility_hidden
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# define FF_VISIBILITY_PUSH_HIDDEN
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# define FF_VISIBILITY_POP_HIDDEN
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#endif
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#endif /* AVUTIL_ATTRIBUTES_INTERNAL_H */
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