misc/winutils/include/libavutil/intreadwrite.h
author unc0rr
Tue, 15 Mar 2016 22:29:40 +0300
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/*
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 * This file is part of Libav.
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 *
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 * Libav 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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 * Libav 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 Libav; 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_INTREADWRITE_H
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#define AVUTIL_INTREADWRITE_H
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#include <stdint.h>
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#include "libavutil/avconfig.h"
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#include "attributes.h"
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#include "bswap.h"
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typedef union {
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    uint64_t u64;
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    uint32_t u32[2];
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    uint16_t u16[4];
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    uint8_t  u8 [8];
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    double   f64;
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    float    f32[2];
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} av_alias av_alias64;
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typedef union {
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    uint32_t u32;
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    uint16_t u16[2];
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    uint8_t  u8 [4];
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    float    f32;
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} av_alias av_alias32;
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typedef union {
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    uint16_t u16;
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    uint8_t  u8 [2];
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} av_alias av_alias16;
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/*
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 * Arch-specific headers can provide any combination of
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 * AV_[RW][BLN](16|24|32|64) and AV_(COPY|SWAP|ZERO)(64|128) macros.
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 * Preprocessor symbols must be defined, even if these are implemented
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 * as inline functions.
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 */
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#ifdef HAVE_AV_CONFIG_H
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#include "config.h"
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#if   ARCH_ARM
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#   include "arm/intreadwrite.h"
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#elif ARCH_AVR32
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#   include "avr32/intreadwrite.h"
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#elif ARCH_MIPS
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#   include "mips/intreadwrite.h"
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#elif ARCH_PPC
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#   include "ppc/intreadwrite.h"
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#elif ARCH_TOMI
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#   include "tomi/intreadwrite.h"
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#elif ARCH_X86
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#   include "x86/intreadwrite.h"
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#endif
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#endif /* HAVE_AV_CONFIG_H */
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/*
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 * Map AV_RNXX <-> AV_R[BL]XX for all variants provided by per-arch headers.
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 */
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#if AV_HAVE_BIGENDIAN
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#   if    defined(AV_RN16) && !defined(AV_RB16)
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#       define AV_RB16(p) AV_RN16(p)
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#   elif !defined(AV_RN16) &&  defined(AV_RB16)
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#       define AV_RN16(p) AV_RB16(p)
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#   endif
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#   if    defined(AV_WN16) && !defined(AV_WB16)
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#       define AV_WB16(p, v) AV_WN16(p, v)
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#   elif !defined(AV_WN16) &&  defined(AV_WB16)
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#       define AV_WN16(p, v) AV_WB16(p, v)
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#   endif
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#   if    defined(AV_RN24) && !defined(AV_RB24)
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#       define AV_RB24(p) AV_RN24(p)
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#   elif !defined(AV_RN24) &&  defined(AV_RB24)
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#       define AV_RN24(p) AV_RB24(p)
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#   endif
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#   if    defined(AV_WN24) && !defined(AV_WB24)
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#       define AV_WB24(p, v) AV_WN24(p, v)
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#   elif !defined(AV_WN24) &&  defined(AV_WB24)
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#       define AV_WN24(p, v) AV_WB24(p, v)
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#   endif
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#   if    defined(AV_RN32) && !defined(AV_RB32)
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#       define AV_RB32(p) AV_RN32(p)
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#   elif !defined(AV_RN32) &&  defined(AV_RB32)
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#       define AV_RN32(p) AV_RB32(p)
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#   endif
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#   if    defined(AV_WN32) && !defined(AV_WB32)
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#       define AV_WB32(p, v) AV_WN32(p, v)
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#   elif !defined(AV_WN32) &&  defined(AV_WB32)
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#       define AV_WN32(p, v) AV_WB32(p, v)
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#   endif
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#   if    defined(AV_RN64) && !defined(AV_RB64)
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#       define AV_RB64(p) AV_RN64(p)
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#   elif !defined(AV_RN64) &&  defined(AV_RB64)
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#       define AV_RN64(p) AV_RB64(p)
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#   endif
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#   if    defined(AV_WN64) && !defined(AV_WB64)
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#       define AV_WB64(p, v) AV_WN64(p, v)
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#   elif !defined(AV_WN64) &&  defined(AV_WB64)
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#       define AV_WN64(p, v) AV_WB64(p, v)
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#   endif
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#else /* AV_HAVE_BIGENDIAN */
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#   if    defined(AV_RN16) && !defined(AV_RL16)
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#       define AV_RL16(p) AV_RN16(p)
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#   elif !defined(AV_RN16) &&  defined(AV_RL16)
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#       define AV_RN16(p) AV_RL16(p)
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#   endif
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#   if    defined(AV_WN16) && !defined(AV_WL16)
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#       define AV_WL16(p, v) AV_WN16(p, v)
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#   elif !defined(AV_WN16) &&  defined(AV_WL16)
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#       define AV_WN16(p, v) AV_WL16(p, v)
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#   endif
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#   if    defined(AV_RN24) && !defined(AV_RL24)
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#       define AV_RL24(p) AV_RN24(p)
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#   elif !defined(AV_RN24) &&  defined(AV_RL24)
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#       define AV_RN24(p) AV_RL24(p)
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#   endif
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#   if    defined(AV_WN24) && !defined(AV_WL24)
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#       define AV_WL24(p, v) AV_WN24(p, v)
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#   elif !defined(AV_WN24) &&  defined(AV_WL24)
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#       define AV_WN24(p, v) AV_WL24(p, v)
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#   endif
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#   if    defined(AV_RN32) && !defined(AV_RL32)
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#       define AV_RL32(p) AV_RN32(p)
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#   elif !defined(AV_RN32) &&  defined(AV_RL32)
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#       define AV_RN32(p) AV_RL32(p)
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#   endif
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#   if    defined(AV_WN32) && !defined(AV_WL32)
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#       define AV_WL32(p, v) AV_WN32(p, v)
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#   elif !defined(AV_WN32) &&  defined(AV_WL32)
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#       define AV_WN32(p, v) AV_WL32(p, v)
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#   endif
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#   if    defined(AV_RN64) && !defined(AV_RL64)
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#       define AV_RL64(p) AV_RN64(p)
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#   elif !defined(AV_RN64) &&  defined(AV_RL64)
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#       define AV_RN64(p) AV_RL64(p)
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#   endif
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#   if    defined(AV_WN64) && !defined(AV_WL64)
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#       define AV_WL64(p, v) AV_WN64(p, v)
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#   elif !defined(AV_WN64) &&  defined(AV_WL64)
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#       define AV_WN64(p, v) AV_WL64(p, v)
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#   endif
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#endif /* !AV_HAVE_BIGENDIAN */
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/*
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 * Define AV_[RW]N helper macros to simplify definitions not provided
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 * by per-arch headers.
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 */
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#if defined(__GNUC__) && !defined(__TI_COMPILER_VERSION__)
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union unaligned_64 { uint64_t l; } __attribute__((packed)) av_alias;
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union unaligned_32 { uint32_t l; } __attribute__((packed)) av_alias;
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union unaligned_16 { uint16_t l; } __attribute__((packed)) av_alias;
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#   define AV_RN(s, p) (((const union unaligned_##s *) (p))->l)
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#   define AV_WN(s, p, v) ((((union unaligned_##s *) (p))->l) = (v))
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#elif defined(__DECC)
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#   define AV_RN(s, p) (*((const __unaligned uint##s##_t*)(p)))
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#   define AV_WN(s, p, v) (*((__unaligned uint##s##_t*)(p)) = (v))
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#elif AV_HAVE_FAST_UNALIGNED
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#   define AV_RN(s, p) (((const av_alias##s*)(p))->u##s)
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#   define AV_WN(s, p, v) (((av_alias##s*)(p))->u##s = (v))
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#else
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#ifndef AV_RB16
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#   define AV_RB16(x)                           \
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    ((((const uint8_t*)(x))[0] << 8) |          \
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      ((const uint8_t*)(x))[1])
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#endif
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#ifndef AV_WB16
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#   define AV_WB16(p, d) do {                   \
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        ((uint8_t*)(p))[1] = (d);               \
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        ((uint8_t*)(p))[0] = (d)>>8;            \
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    } while(0)
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#endif
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#ifndef AV_RL16
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#   define AV_RL16(x)                           \
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    ((((const uint8_t*)(x))[1] << 8) |          \
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      ((const uint8_t*)(x))[0])
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#endif
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#ifndef AV_WL16
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#   define AV_WL16(p, d) do {                   \
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        ((uint8_t*)(p))[0] = (d);               \
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        ((uint8_t*)(p))[1] = (d)>>8;            \
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    } while(0)
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#endif
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#ifndef AV_RB32
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#   define AV_RB32(x)                                \
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    (((uint32_t)((const uint8_t*)(x))[0] << 24) |    \
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               (((const uint8_t*)(x))[1] << 16) |    \
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               (((const uint8_t*)(x))[2] <<  8) |    \
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                ((const uint8_t*)(x))[3])
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#endif
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#ifndef AV_WB32
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#   define AV_WB32(p, d) do {                   \
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        ((uint8_t*)(p))[3] = (d);               \
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        ((uint8_t*)(p))[2] = (d)>>8;            \
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        ((uint8_t*)(p))[1] = (d)>>16;           \
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        ((uint8_t*)(p))[0] = (d)>>24;           \
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    } while(0)
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#endif
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#ifndef AV_RL32
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#   define AV_RL32(x)                                \
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    (((uint32_t)((const uint8_t*)(x))[3] << 24) |    \
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               (((const uint8_t*)(x))[2] << 16) |    \
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               (((const uint8_t*)(x))[1] <<  8) |    \
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                ((const uint8_t*)(x))[0])
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#endif
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#ifndef AV_WL32
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#   define AV_WL32(p, d) do {                   \
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        ((uint8_t*)(p))[0] = (d);               \
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        ((uint8_t*)(p))[1] = (d)>>8;            \
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        ((uint8_t*)(p))[2] = (d)>>16;           \
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        ((uint8_t*)(p))[3] = (d)>>24;           \
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    } while(0)
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#endif
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#ifndef AV_RB64
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#   define AV_RB64(x)                                   \
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    (((uint64_t)((const uint8_t*)(x))[0] << 56) |       \
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     ((uint64_t)((const uint8_t*)(x))[1] << 48) |       \
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     ((uint64_t)((const uint8_t*)(x))[2] << 40) |       \
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     ((uint64_t)((const uint8_t*)(x))[3] << 32) |       \
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     ((uint64_t)((const uint8_t*)(x))[4] << 24) |       \
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     ((uint64_t)((const uint8_t*)(x))[5] << 16) |       \
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     ((uint64_t)((const uint8_t*)(x))[6] <<  8) |       \
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      (uint64_t)((const uint8_t*)(x))[7])
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#endif
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#ifndef AV_WB64
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#   define AV_WB64(p, d) do {                   \
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        ((uint8_t*)(p))[7] = (d);               \
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        ((uint8_t*)(p))[6] = (d)>>8;            \
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        ((uint8_t*)(p))[5] = (d)>>16;           \
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        ((uint8_t*)(p))[4] = (d)>>24;           \
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        ((uint8_t*)(p))[3] = (d)>>32;           \
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        ((uint8_t*)(p))[2] = (d)>>40;           \
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        ((uint8_t*)(p))[1] = (d)>>48;           \
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        ((uint8_t*)(p))[0] = (d)>>56;           \
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    } while(0)
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#endif
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#ifndef AV_RL64
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#   define AV_RL64(x)                                   \
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    (((uint64_t)((const uint8_t*)(x))[7] << 56) |       \
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     ((uint64_t)((const uint8_t*)(x))[6] << 48) |       \
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     ((uint64_t)((const uint8_t*)(x))[5] << 40) |       \
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     ((uint64_t)((const uint8_t*)(x))[4] << 32) |       \
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     ((uint64_t)((const uint8_t*)(x))[3] << 24) |       \
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     ((uint64_t)((const uint8_t*)(x))[2] << 16) |       \
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     ((uint64_t)((const uint8_t*)(x))[1] <<  8) |       \
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      (uint64_t)((const uint8_t*)(x))[0])
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#endif
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#ifndef AV_WL64
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#   define AV_WL64(p, d) do {                   \
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        ((uint8_t*)(p))[0] = (d);               \
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        ((uint8_t*)(p))[1] = (d)>>8;            \
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        ((uint8_t*)(p))[2] = (d)>>16;           \
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        ((uint8_t*)(p))[3] = (d)>>24;           \
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        ((uint8_t*)(p))[4] = (d)>>32;           \
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        ((uint8_t*)(p))[5] = (d)>>40;           \
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        ((uint8_t*)(p))[6] = (d)>>48;           \
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        ((uint8_t*)(p))[7] = (d)>>56;           \
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    } while(0)
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#endif
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#if AV_HAVE_BIGENDIAN
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#   define AV_RN(s, p)    AV_RB##s(p)
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#   define AV_WN(s, p, v) AV_WB##s(p, v)
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#else
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#   define AV_RN(s, p)    AV_RL##s(p)
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#   define AV_WN(s, p, v) AV_WL##s(p, v)
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#endif
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#endif /* HAVE_FAST_UNALIGNED */
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#ifndef AV_RN16
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#   define AV_RN16(p) AV_RN(16, p)
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#endif
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#ifndef AV_RN32
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#   define AV_RN32(p) AV_RN(32, p)
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#endif
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#ifndef AV_RN64
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#   define AV_RN64(p) AV_RN(64, p)
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#endif
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#ifndef AV_WN16
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#   define AV_WN16(p, v) AV_WN(16, p, v)
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#endif
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#ifndef AV_WN32
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#   define AV_WN32(p, v) AV_WN(32, p, v)
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#endif
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#ifndef AV_WN64
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#   define AV_WN64(p, v) AV_WN(64, p, v)
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#endif
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#if AV_HAVE_BIGENDIAN
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#   define AV_RB(s, p)    AV_RN##s(p)
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#   define AV_WB(s, p, v) AV_WN##s(p, v)
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#   define AV_RL(s, p)    av_bswap##s(AV_RN##s(p))
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#   define AV_WL(s, p, v) AV_WN##s(p, av_bswap##s(v))
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#else
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#   define AV_RB(s, p)    av_bswap##s(AV_RN##s(p))
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#   define AV_WB(s, p, v) AV_WN##s(p, av_bswap##s(v))
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#   define AV_RL(s, p)    AV_RN##s(p)
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#   define AV_WL(s, p, v) AV_WN##s(p, v)
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#endif
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   356
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#define AV_RB8(x)     (((const uint8_t*)(x))[0])
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#define AV_WB8(p, d)  do { ((uint8_t*)(p))[0] = (d); } while(0)
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   359
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#define AV_RL8(x)     AV_RB8(x)
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#define AV_WL8(p, d)  AV_WB8(p, d)
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   362
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#ifndef AV_RB16
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#   define AV_RB16(p)    AV_RB(16, p)
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   365
#endif
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#ifndef AV_WB16
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#   define AV_WB16(p, v) AV_WB(16, p, v)
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#endif
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#ifndef AV_RL16
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#   define AV_RL16(p)    AV_RL(16, p)
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#endif
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#ifndef AV_WL16
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#   define AV_WL16(p, v) AV_WL(16, p, v)
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#endif
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#ifndef AV_RB32
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#   define AV_RB32(p)    AV_RB(32, p)
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#endif
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#ifndef AV_WB32
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#   define AV_WB32(p, v) AV_WB(32, p, v)
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   382
#endif
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   383
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   384
#ifndef AV_RL32
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   385
#   define AV_RL32(p)    AV_RL(32, p)
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   386
#endif
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   387
#ifndef AV_WL32
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   388
#   define AV_WL32(p, v) AV_WL(32, p, v)
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   389
#endif
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   390
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   391
#ifndef AV_RB64
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   392
#   define AV_RB64(p)    AV_RB(64, p)
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   393
#endif
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   394
#ifndef AV_WB64
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   395
#   define AV_WB64(p, v) AV_WB(64, p, v)
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diff changeset
   396
#endif
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diff changeset
   397
7ac83d79b897 support video recording on windows with automation and headers
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diff changeset
   398
#ifndef AV_RL64
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diff changeset
   399
#   define AV_RL64(p)    AV_RL(64, p)
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   400
#endif
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diff changeset
   401
#ifndef AV_WL64
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diff changeset
   402
#   define AV_WL64(p, v) AV_WL(64, p, v)
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diff changeset
   403
#endif
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parents:
diff changeset
   404
7ac83d79b897 support video recording on windows with automation and headers
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diff changeset
   405
#ifndef AV_RB24
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diff changeset
   406
#   define AV_RB24(x)                           \
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parents:
diff changeset
   407
    ((((const uint8_t*)(x))[0] << 16) |         \
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parents:
diff changeset
   408
     (((const uint8_t*)(x))[1] <<  8) |         \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   409
      ((const uint8_t*)(x))[2])
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   410
#endif
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parents:
diff changeset
   411
#ifndef AV_WB24
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parents:
diff changeset
   412
#   define AV_WB24(p, d) do {                   \
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parents:
diff changeset
   413
        ((uint8_t*)(p))[2] = (d);               \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   414
        ((uint8_t*)(p))[1] = (d)>>8;            \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   415
        ((uint8_t*)(p))[0] = (d)>>16;           \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   416
    } while(0)
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koda
parents:
diff changeset
   417
#endif
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parents:
diff changeset
   418
7ac83d79b897 support video recording on windows with automation and headers
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parents:
diff changeset
   419
#ifndef AV_RL24
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parents:
diff changeset
   420
#   define AV_RL24(x)                           \
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parents:
diff changeset
   421
    ((((const uint8_t*)(x))[2] << 16) |         \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   422
     (((const uint8_t*)(x))[1] <<  8) |         \
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koda
parents:
diff changeset
   423
      ((const uint8_t*)(x))[0])
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koda
parents:
diff changeset
   424
#endif
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koda
parents:
diff changeset
   425
#ifndef AV_WL24
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parents:
diff changeset
   426
#   define AV_WL24(p, d) do {                   \
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koda
parents:
diff changeset
   427
        ((uint8_t*)(p))[0] = (d);               \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   428
        ((uint8_t*)(p))[1] = (d)>>8;            \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   429
        ((uint8_t*)(p))[2] = (d)>>16;           \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   430
    } while(0)
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koda
parents:
diff changeset
   431
#endif
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koda
parents:
diff changeset
   432
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   433
/*
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koda
parents:
diff changeset
   434
 * The AV_[RW]NA macros access naturally aligned data
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koda
parents:
diff changeset
   435
 * in a type-safe way.
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   436
 */
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koda
parents:
diff changeset
   437
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   438
#define AV_RNA(s, p)    (((const av_alias##s*)(p))->u##s)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   439
#define AV_WNA(s, p, v) (((av_alias##s*)(p))->u##s = (v))
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koda
parents:
diff changeset
   440
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   441
#ifndef AV_RN16A
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parents:
diff changeset
   442
#   define AV_RN16A(p) AV_RNA(16, p)
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koda
parents:
diff changeset
   443
#endif
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parents:
diff changeset
   444
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   445
#ifndef AV_RN32A
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parents:
diff changeset
   446
#   define AV_RN32A(p) AV_RNA(32, p)
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koda
parents:
diff changeset
   447
#endif
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koda
parents:
diff changeset
   448
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   449
#ifndef AV_RN64A
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parents:
diff changeset
   450
#   define AV_RN64A(p) AV_RNA(64, p)
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koda
parents:
diff changeset
   451
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   452
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   453
#ifndef AV_WN16A
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koda
parents:
diff changeset
   454
#   define AV_WN16A(p, v) AV_WNA(16, p, v)
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koda
parents:
diff changeset
   455
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   456
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   457
#ifndef AV_WN32A
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koda
parents:
diff changeset
   458
#   define AV_WN32A(p, v) AV_WNA(32, p, v)
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koda
parents:
diff changeset
   459
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   460
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   461
#ifndef AV_WN64A
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koda
parents:
diff changeset
   462
#   define AV_WN64A(p, v) AV_WNA(64, p, v)
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koda
parents:
diff changeset
   463
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   464
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   465
/* Parameters for AV_COPY*, AV_SWAP*, AV_ZERO* must be
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   466
 * naturally aligned. They may be implemented using MMX,
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   467
 * so emms_c() must be called before using any float code
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   468
 * afterwards.
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   469
 */
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   470
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   471
#define AV_COPY(n, d, s) \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   472
    (((av_alias##n*)(d))->u##n = ((const av_alias##n*)(s))->u##n)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   473
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   474
#ifndef AV_COPY16
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koda
parents:
diff changeset
   475
#   define AV_COPY16(d, s) AV_COPY(16, d, s)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   476
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   477
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   478
#ifndef AV_COPY32
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koda
parents:
diff changeset
   479
#   define AV_COPY32(d, s) AV_COPY(32, d, s)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   480
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   481
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   482
#ifndef AV_COPY64
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koda
parents:
diff changeset
   483
#   define AV_COPY64(d, s) AV_COPY(64, d, s)
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koda
parents:
diff changeset
   484
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   485
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   486
#ifndef AV_COPY128
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koda
parents:
diff changeset
   487
#   define AV_COPY128(d, s)                    \
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koda
parents:
diff changeset
   488
    do {                                       \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   489
        AV_COPY64(d, s);                       \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   490
        AV_COPY64((char*)(d)+8, (char*)(s)+8); \
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   491
    } while(0)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   492
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   493
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   494
#define AV_SWAP(n, a, b) FFSWAP(av_alias##n, *(av_alias##n*)(a), *(av_alias##n*)(b))
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   495
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   496
#ifndef AV_SWAP64
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koda
parents:
diff changeset
   497
#   define AV_SWAP64(a, b) AV_SWAP(64, a, b)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   498
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   499
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   500
#define AV_ZERO(n, d) (((av_alias##n*)(d))->u##n = 0)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   501
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   502
#ifndef AV_ZERO16
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koda
parents:
diff changeset
   503
#   define AV_ZERO16(d) AV_ZERO(16, d)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   504
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   505
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   506
#ifndef AV_ZERO32
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   507
#   define AV_ZERO32(d) AV_ZERO(32, d)
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   508
#endif
7ac83d79b897 support video recording on windows with automation and headers
koda
parents:
diff changeset
   509
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#ifndef AV_ZERO64
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#   define AV_ZERO64(d) AV_ZERO(64, d)
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#endif
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#ifndef AV_ZERO128
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#   define AV_ZERO128(d)         \
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    do {                         \
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        AV_ZERO64(d);            \
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        AV_ZERO64((char*)(d)+8); \
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    } while(0)
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#endif
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#endif /* AVUTIL_INTREADWRITE_H */