Test for presence of sps->vui parameters
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loki
Vendored
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/*
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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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#ifndef AVUTIL_X86_ASM_H
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#define AVUTIL_X86_ASM_H
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#include <stdint.h>
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typedef struct xmm_reg {
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uint64_t a, b;
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} xmm_reg;
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typedef struct ymm_reg {
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uint64_t a, b, c, d;
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} ymm_reg;
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#if ARCH_X86_64
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#define FF_OPSIZE "q"
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#define FF_REG_a "rax"
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#define FF_REG_b "rbx"
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#define FF_REG_c "rcx"
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#define FF_REG_d "rdx"
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#define FF_REG_D "rdi"
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#define FF_REG_S "rsi"
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#define FF_PTR_SIZE "8"
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typedef int64_t x86_reg;
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/* FF_REG_SP is defined in Solaris sys headers, so use FF_REG_sp */
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#define FF_REG_sp "rsp"
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#define FF_REG_BP "rbp"
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#define FF_REGBP rbp
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#define FF_REGa rax
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#define FF_REGb rbx
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#define FF_REGc rcx
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#define FF_REGd rdx
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#define FF_REGSP rsp
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#elif ARCH_X86_32
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#define FF_OPSIZE "l"
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#define FF_REG_a "eax"
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#define FF_REG_b "ebx"
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#define FF_REG_c "ecx"
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#define FF_REG_d "edx"
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#define FF_REG_D "edi"
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#define FF_REG_S "esi"
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#define FF_PTR_SIZE "4"
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typedef int32_t x86_reg;
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#define FF_REG_sp "esp"
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#define FF_REG_BP "ebp"
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#define FF_REGBP ebp
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#define FF_REGa eax
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#define FF_REGb ebx
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#define FF_REGc ecx
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#define FF_REGd edx
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#define FF_REGSP esp
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#else
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typedef int x86_reg;
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#endif
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#define HAVE_7REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE))
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#define HAVE_6REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE || HAVE_EBP_AVAILABLE))
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#if ARCH_X86_64 && defined(PIC)
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#define BROKEN_RELOCATIONS 1
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#endif
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/*
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* If gcc is not set to support sse (-msse) it will not accept xmm registers
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* in the clobber list for inline asm. XMM_CLOBBERS takes a list of xmm
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* registers to be marked as clobbered and evaluates to nothing if they are
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* not supported, or to the list itself if they are supported. Since a clobber
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* list may not be empty, XMM_CLOBBERS_ONLY should be used if the xmm
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* registers are the only in the clobber list.
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* For example a list with "eax" and "xmm0" as clobbers should become:
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* : XMM_CLOBBERS("xmm0",) "eax"
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* and a list with only "xmm0" should become:
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* XMM_CLOBBERS_ONLY("xmm0")
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*/
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#if HAVE_XMM_CLOBBERS
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#define XMM_CLOBBERS(...) __VA_ARGS__
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#define XMM_CLOBBERS_ONLY(...) : __VA_ARGS__
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#else
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#define XMM_CLOBBERS(...)
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#define XMM_CLOBBERS_ONLY(...)
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#endif
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/* Use to export labels from asm. */
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#define LABEL_MANGLE(a) EXTERN_PREFIX #a
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// Use rip-relative addressing if compiling PIC code on x86-64.
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#if ARCH_X86_64 && defined(PIC)
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#define LOCAL_MANGLE(a) #a "(%%rip)"
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#else
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#define LOCAL_MANGLE(a) #a
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#endif
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#if HAVE_INLINE_ASM_DIRECT_SYMBOL_REFS
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#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a)
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#define NAMED_CONSTRAINTS_ADD(...)
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#define NAMED_CONSTRAINTS(...)
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#define NAMED_CONSTRAINTS_ARRAY_ADD(...)
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#define NAMED_CONSTRAINTS_ARRAY(...)
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#else
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/* When direct symbol references are used in code passed to a compiler that does not support them
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* then these references need to be converted to named asm constraints instead.
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* Instead of returning a direct symbol MANGLE now returns a named constraint for that specific symbol.
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* In order for this to work there must also be a corresponding entry in the asm-interface. To add this
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* entry use the macro NAMED_CONSTRAINTS() and pass in a list of each symbol reference used in the
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* corresponding block of code. (e.g. NAMED_CONSTRAINTS(var1,var2,var3) where var1 is the first symbol etc. ).
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* If there are already existing constraints then use NAMED_CONSTRAINTS_ADD to add to the existing constraint list.
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*/
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#define MANGLE(a) "%[" #a "]"
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// Intel/MSVC does not correctly expand va-args so we need a rather ugly hack in order to get it to work
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#define FE_0(P, X) P(X)
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#define FE_1(P, X, X1) P(X), FE_0(P, X1)
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#define FE_2(P, X, X1, X2) P(X), FE_1(P, X1, X2)
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#define FE_3(P, X, X1, X2, X3) P(X), FE_2(P, X1, X2, X3)
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#define FE_4(P, X, X1, X2, X3, X4) P(X), FE_3(P, X1, X2, X3, X4)
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#define FE_5(P, X, X1, X2, X3, X4, X5) P(X), FE_4(P, X1, X2, X3, X4, X5)
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#define FE_6(P, X, X1, X2, X3, X4, X5, X6) P(X), FE_5(P, X1, X2, X3, X4, X5, X6)
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#define FE_7(P, X, X1, X2, X3, X4, X5, X6, X7) P(X), FE_6(P, X1, X2, X3, X4, X5, X6, X7)
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#define FE_8(P, X, X1, X2, X3, X4, X5, X6, X7, X8) P(X), FE_7(P, X1, X2, X3, X4, X5, X6, X7, X8)
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#define FE_9(P, X, X1, X2, X3, X4, X5, X6, X7, X8, X9) P(X), FE_8(P, X1, X2, X3, X4, X5, X6, X7, X8, X9)
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#define GET_FE_IMPL(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, NAME, ...) NAME
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#define GET_FE(A) GET_FE_IMPL A
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#define GET_FE_GLUE(x, y) x y
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#define FOR_EACH_VA(P, ...) GET_FE_GLUE(GET_FE((__VA_ARGS__, FE_9, FE_8, FE_7, FE_6, FE_5, FE_4, FE_3, FE_2, FE_1, FE_0)), (P, __VA_ARGS__))
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#define NAME_CONSTRAINT(x) [x] "m"(x)
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// Parameters are a list of each symbol reference required
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#define NAMED_CONSTRAINTS_ADD(...) , FOR_EACH_VA(NAME_CONSTRAINT, __VA_ARGS__)
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// Same but without comma for when there are no previously defined constraints
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#define NAMED_CONSTRAINTS(...) FOR_EACH_VA(NAME_CONSTRAINT, __VA_ARGS__)
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// Same as above NAMED_CONSTRAINTS except used for passing arrays/pointers instead of normal variables
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#define NAME_CONSTRAINT_ARRAY(x) [x] "m"(*x)
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#define NAMED_CONSTRAINTS_ARRAY_ADD(...) , FOR_EACH_VA(NAME_CONSTRAINT_ARRAY, __VA_ARGS__)
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#define NAMED_CONSTRAINTS_ARRAY(...) FOR_EACH_VA(NAME_CONSTRAINT_ARRAY, __VA_ARGS__)
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#endif
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#endif /* AVUTIL_X86_ASM_H */
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