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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
commit | 5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch) | |
tree | 45d55e3e5e73c4255c4d71258d9be5b2d004d28f /third_party/aom/aom_ports/mem_ops.h | |
parent | 50f1986697a7412e4160976fa5e11217b4ef1f44 (diff) | |
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Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/aom_ports/mem_ops.h')
-rw-r--r-- | third_party/aom/aom_ports/mem_ops.h | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/third_party/aom/aom_ports/mem_ops.h b/third_party/aom/aom_ports/mem_ops.h deleted file mode 100644 index 2b5bc0f0f..000000000 --- a/third_party/aom/aom_ports/mem_ops.h +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#ifndef AOM_AOM_PORTS_MEM_OPS_H_ -#define AOM_AOM_PORTS_MEM_OPS_H_ - -/* \file - * \brief Provides portable memory access primitives - * - * This function provides portable primitives for getting and setting of - * signed and unsigned integers in 16, 24, and 32 bit sizes. The operations - * can be performed on unaligned data regardless of hardware support for - * unaligned accesses. - * - * The type used to pass the integral values may be changed by defining - * MEM_VALUE_T with the appropriate type. The type given must be an integral - * numeric type. - * - * The actual functions instantiated have the MEM_VALUE_T type name pasted - * on to the symbol name. This allows the developer to instantiate these - * operations for multiple types within the same translation unit. This is - * of somewhat questionable utility, but the capability exists nonetheless. - * Users not making use of this functionality should call the functions - * without the type name appended, and the preprocessor will take care of - * it. - * - * NOTE: This code is not supported on platforms where char > 1 octet ATM. - */ - -#ifndef MAU_T -/* Minimum Access Unit for this target */ -#define MAU_T unsigned char -#endif - -#ifndef MEM_VALUE_T -#define MEM_VALUE_T int -#endif - -#undef MEM_VALUE_T_SZ_BITS -#define MEM_VALUE_T_SZ_BITS (sizeof(MEM_VALUE_T) << 3) - -#undef mem_ops_wrap_symbol -#define mem_ops_wrap_symbol(fn) mem_ops_wrap_symbol2(fn, MEM_VALUE_T) -#undef mem_ops_wrap_symbol2 -#define mem_ops_wrap_symbol2(fn, typ) mem_ops_wrap_symbol3(fn, typ) -#undef mem_ops_wrap_symbol3 -#define mem_ops_wrap_symbol3(fn, typ) fn##_as_##typ - -/* - * Include aligned access routines - */ -#define INCLUDED_BY_MEM_OPS_H -#include "mem_ops_aligned.h" -#undef INCLUDED_BY_MEM_OPS_H - -#undef mem_get_be16 -#define mem_get_be16 mem_ops_wrap_symbol(mem_get_be16) -static unsigned MEM_VALUE_T mem_get_be16(const void *vmem) { - unsigned MEM_VALUE_T val; - const MAU_T *mem = (const MAU_T *)vmem; - - val = mem[0] << 8; - val |= mem[1]; - return val; -} - -#undef mem_get_be24 -#define mem_get_be24 mem_ops_wrap_symbol(mem_get_be24) -static unsigned MEM_VALUE_T mem_get_be24(const void *vmem) { - unsigned MEM_VALUE_T val; - const MAU_T *mem = (const MAU_T *)vmem; - - val = mem[0] << 16; - val |= mem[1] << 8; - val |= mem[2]; - return val; -} - -#undef mem_get_be32 -#define mem_get_be32 mem_ops_wrap_symbol(mem_get_be32) -static unsigned MEM_VALUE_T mem_get_be32(const void *vmem) { - unsigned MEM_VALUE_T val; - const MAU_T *mem = (const MAU_T *)vmem; - - val = ((unsigned MEM_VALUE_T)mem[0]) << 24; - val |= mem[1] << 16; - val |= mem[2] << 8; - val |= mem[3]; - return val; -} - -#undef mem_get_le16 -#define mem_get_le16 mem_ops_wrap_symbol(mem_get_le16) -static unsigned MEM_VALUE_T mem_get_le16(const void *vmem) { - unsigned MEM_VALUE_T val; - const MAU_T *mem = (const MAU_T *)vmem; - - val = mem[1] << 8; - val |= mem[0]; - return val; -} - -#undef mem_get_le24 -#define mem_get_le24 mem_ops_wrap_symbol(mem_get_le24) -static unsigned MEM_VALUE_T mem_get_le24(const void *vmem) { - unsigned MEM_VALUE_T val; - const MAU_T *mem = (const MAU_T *)vmem; - - val = mem[2] << 16; - val |= mem[1] << 8; - val |= mem[0]; - return val; -} - -#undef mem_get_le32 -#define mem_get_le32 mem_ops_wrap_symbol(mem_get_le32) -static unsigned MEM_VALUE_T mem_get_le32(const void *vmem) { - unsigned MEM_VALUE_T val; - const MAU_T *mem = (const MAU_T *)vmem; - - val = ((unsigned MEM_VALUE_T)mem[3]) << 24; - val |= mem[2] << 16; - val |= mem[1] << 8; - val |= mem[0]; - return val; -} - -#define mem_get_s_generic(end, sz) \ - static AOM_INLINE signed MEM_VALUE_T mem_get_s##end##sz(const void *vmem) { \ - const MAU_T *mem = (const MAU_T *)vmem; \ - signed MEM_VALUE_T val = mem_get_##end##sz(mem); \ - return (val << (MEM_VALUE_T_SZ_BITS - sz)) >> (MEM_VALUE_T_SZ_BITS - sz); \ - } - -/* clang-format off */ -#undef mem_get_sbe16 -#define mem_get_sbe16 mem_ops_wrap_symbol(mem_get_sbe16) -mem_get_s_generic(be, 16) - -#undef mem_get_sbe24 -#define mem_get_sbe24 mem_ops_wrap_symbol(mem_get_sbe24) -mem_get_s_generic(be, 24) - -#undef mem_get_sbe32 -#define mem_get_sbe32 mem_ops_wrap_symbol(mem_get_sbe32) -mem_get_s_generic(be, 32) - -#undef mem_get_sle16 -#define mem_get_sle16 mem_ops_wrap_symbol(mem_get_sle16) -mem_get_s_generic(le, 16) - -#undef mem_get_sle24 -#define mem_get_sle24 mem_ops_wrap_symbol(mem_get_sle24) -mem_get_s_generic(le, 24) - -#undef mem_get_sle32 -#define mem_get_sle32 mem_ops_wrap_symbol(mem_get_sle32) -mem_get_s_generic(le, 32) - -#undef mem_put_be16 -#define mem_put_be16 mem_ops_wrap_symbol(mem_put_be16) -static AOM_INLINE void mem_put_be16(void *vmem, MEM_VALUE_T val) { - MAU_T *mem = (MAU_T *)vmem; - - mem[0] = (MAU_T)((val >> 8) & 0xff); - mem[1] = (MAU_T)((val >> 0) & 0xff); -} - -#undef mem_put_be24 -#define mem_put_be24 mem_ops_wrap_symbol(mem_put_be24) -static AOM_INLINE void mem_put_be24(void *vmem, MEM_VALUE_T val) { - MAU_T *mem = (MAU_T *)vmem; - - mem[0] = (MAU_T)((val >> 16) & 0xff); - mem[1] = (MAU_T)((val >> 8) & 0xff); - mem[2] = (MAU_T)((val >> 0) & 0xff); -} - -#undef mem_put_be32 -#define mem_put_be32 mem_ops_wrap_symbol(mem_put_be32) -static AOM_INLINE void mem_put_be32(void *vmem, MEM_VALUE_T val) { - MAU_T *mem = (MAU_T *)vmem; - - mem[0] = (MAU_T)((val >> 24) & 0xff); - mem[1] = (MAU_T)((val >> 16) & 0xff); - mem[2] = (MAU_T)((val >> 8) & 0xff); - mem[3] = (MAU_T)((val >> 0) & 0xff); -} - -#undef mem_put_le16 -#define mem_put_le16 mem_ops_wrap_symbol(mem_put_le16) -static AOM_INLINE void mem_put_le16(void *vmem, MEM_VALUE_T val) { - MAU_T *mem = (MAU_T *)vmem; - - mem[0] = (MAU_T)((val >> 0) & 0xff); - mem[1] = (MAU_T)((val >> 8) & 0xff); -} - -#undef mem_put_le24 -#define mem_put_le24 mem_ops_wrap_symbol(mem_put_le24) -static AOM_INLINE void mem_put_le24(void *vmem, MEM_VALUE_T val) { - MAU_T *mem = (MAU_T *)vmem; - - mem[0] = (MAU_T)((val >> 0) & 0xff); - mem[1] = (MAU_T)((val >> 8) & 0xff); - mem[2] = (MAU_T)((val >> 16) & 0xff); -} - -#undef mem_put_le32 -#define mem_put_le32 mem_ops_wrap_symbol(mem_put_le32) -static AOM_INLINE void mem_put_le32(void *vmem, MEM_VALUE_T val) { - MAU_T *mem = (MAU_T *)vmem; - - mem[0] = (MAU_T)((val >> 0) & 0xff); - mem[1] = (MAU_T)((val >> 8) & 0xff); - mem[2] = (MAU_T)((val >> 16) & 0xff); - mem[3] = (MAU_T)((val >> 24) & 0xff); -} -/* clang-format on */ -#endif // AOM_AOM_PORTS_MEM_OPS_H_ |