mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-24 03:39:45 +00:00
2fd41c9067
* newdev/master:
avio: make udp_set_remote_url/get_local_port internal.
asfdec: also subtract preroll when reading simple index object
matroskaenc: remove a variable that's unused after bc17bd9.
avio: cosmetics - nicer vertical alignment.
Remove unnecessary icc version checks
Disable 'attribute "foo" ignored' warnings from icc
rtsp: Don't use a locale dependent format string
Add xd55 codec tag for XDCAM HD422 720p25 CBR files.
configure: get libavcodec version from new version.h header
lavc: move the version macros to a new installed header.
matroskaenc: simplify get_aac_sample_rates by using ff_mpeg4audio_get_config
Do not use format string "%0.3f" for RTSP Range field.
Add apply_window_int16() to DSPContext with x86-optimized versions and use it in the ac3_fixed encoder.
Document usage of import libraries created by dlltool
configure: Set the correct lib target for arm/wince dlltool
fate: simplify regression-funcs.sh
fate: add support for multithread testing
Conflicts:
libavformat/rtspdec.c
libavutil/attributes.h
libavutil/internal.h
libavutil/mem.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>
135 lines
3.0 KiB
C
135 lines
3.0 KiB
C
/*
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* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
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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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* Macro definitions for various function/variable attributes
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*/
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#ifndef AVUTIL_ATTRIBUTES_H
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#define AVUTIL_ATTRIBUTES_H
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#ifdef __GNUC__
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# define AV_GCC_VERSION_AT_LEAST(x,y) (__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y)
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#else
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# define AV_GCC_VERSION_AT_LEAST(x,y) 0
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#endif
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#ifndef av_always_inline
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#if AV_GCC_VERSION_AT_LEAST(3,1)
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# define av_always_inline __attribute__((always_inline)) inline
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#else
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# define av_always_inline inline
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#endif
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#endif
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#ifndef av_noinline
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#if AV_GCC_VERSION_AT_LEAST(3,1)
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# define av_noinline __attribute__((noinline))
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#else
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# define av_noinline
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#endif
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#endif
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#ifndef av_pure
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#if AV_GCC_VERSION_AT_LEAST(3,1)
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# define av_pure __attribute__((pure))
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#else
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# define av_pure
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#endif
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#endif
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#ifndef av_const
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#if AV_GCC_VERSION_AT_LEAST(2,6)
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# define av_const __attribute__((const))
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#else
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# define av_const
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#endif
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#endif
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#ifndef av_cold
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#if AV_GCC_VERSION_AT_LEAST(4,3)
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# define av_cold __attribute__((cold))
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#else
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# define av_cold
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#endif
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#endif
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#ifndef av_flatten
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#if AV_GCC_VERSION_AT_LEAST(4,1)
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# define av_flatten __attribute__((flatten))
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#else
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# define av_flatten
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#endif
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#endif
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#ifndef attribute_deprecated
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#if AV_GCC_VERSION_AT_LEAST(3,1)
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# define attribute_deprecated __attribute__((deprecated))
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#else
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# define attribute_deprecated
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#endif
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#endif
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#ifndef av_unused
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#if defined(__GNUC__)
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# define av_unused __attribute__((unused))
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#else
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# define av_unused
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#endif
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#endif
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/**
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* Mark a variable as used and prevent the compiler from optimizing it
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* away. This is useful for variables accessed only from inline
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* assembler without the compiler being aware.
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*/
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#ifndef av_used
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#if AV_GCC_VERSION_AT_LEAST(3,1)
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# define av_used __attribute__((used))
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#else
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# define av_used
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#endif
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#endif
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#ifndef av_alias
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#if AV_GCC_VERSION_AT_LEAST(3,3)
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# define av_alias __attribute__((may_alias))
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#else
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# define av_alias
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#endif
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#endif
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#ifndef av_uninit
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#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
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# define av_uninit(x) x=x
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#else
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# define av_uninit(x) x
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#endif
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#endif
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#ifdef __GNUC__
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# define av_builtin_constant_p __builtin_constant_p
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#else
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# define av_builtin_constant_p(x) 0
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#endif
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#endif /* AVUTIL_ATTRIBUTES_H */
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