基于python的音乐播放器

#ifndef SSE2NEON_H #define SSE2NEON_H // This header file provides a simple API translation layer // between SSE intrinsics to their corresponding Arm/Aarch64 NEON versions // // This header file does not yet translate all of the SSE intrinsics. // // Contributors to this work are: // John W. Ratcliff <jratcliffscarab@gmail.com> // Brandon Rowlett <browlett@nvidia.com> // Ken Fast <kfast@gdeb.com> // Eric van Beurden <evanbeurden@nvidia.com> // Alexander Potylitsin <apotylitsin@nvidia.com> // Hasindu Gamaarachchi <hasindu2008@gmail.com> // Jim Huang <jserv@biilabs.io> // Mark Cheng <marktwtn@biilabs.io> // Malcolm James MacLeod <malcolm@gulden.com> // Devin Hussey (easyaspi314) <husseydevin@gmail.com> // Sebastian Pop <spop@amazon.com> // Developer Ecosystem Engineering <DeveloperEcosystemEngineering@apple.com> // Danila Kutenin <danilak@google.com> // François Turban (JishinMaster) <francois.turban@gmail.com> // Pei-Hsuan Hung <afcidk@gmail.com> // Yang-Hao Yuan <yanghau@biilabs.io> /* * sse2neon is freely redistributable under the MIT License. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ /* Tunable configurations */ /* Enable precise implementation of _mm_min_ps and _mm_max_ps * This would slow down the computation a bit, but gives consistent result with * x86 SSE2. (e.g. would solve a hole or NaN pixel in the rendering result) */ #ifndef SSE2NEON_PRECISE_MINMAX #define SSE2NEON_PRECISE_MINMAX (0) #endif #if defined(__GNUC__) || defined(__clang__) #pragma push_macro("FORCE_INLINE") #pragma push_macro("ALIGN_STRUCT") #define FORCE_INLINE static inline __attribute__((always_inline)) #define ALIGN_STRUCT(x) __attribute__((aligned(x))) #else #error "Macro name collisions may happen with unsupported compiler." #ifdef FORCE_INLINE #undef FORCE_INLINE #endif #define FORCE_INLINE static inline #ifndef ALIGN_STRUCT #define ALIGN_STRUCT(x) __declspec(align(x)) #endif #endif #include <stdint.h> #include <stdlib.h> // These cause the build to fail on raspberry pi with 'unsupported target' // and don't seem to do anything particularly useful ///* Architecture-specific build options */ ///* FIXME: #pragma GCC push_options is only available on GCC */ //#if defined(__GNUC__) //#if defined(__arm__) && __ARM_ARCH == 7 ///* According to ARM C Language Extensions Architecture specification, // * __ARM_NEON is defined to a value indicating the Advanced SIMD (NEON) // * architecture supported. // */ //#if !defined(__ARM_NEON) || !defined(__ARM_NEON__) //#error "You must enable NEON instructions (e.g. -mfpu=neon) to use SSE2NEON." //#endif //#pragma GCC push_options //#pragma GCC target("fpu=neon") //#elif defined(__aarch64__) //#pragma GCC push_options //#pragma GCC target("+simd") //#else //#error "Unsupported target. Must be either ARMv7-A+NEON or ARMv8-A." //#endif //#endif #include <arm_neon.h> /* Rounding functions require either Aarch64 instructions or libm failback */ #if !defined(__aarch64__) #include <math.h> #endif /* "__has_builtin" can be used to query support for built-in functions * provided by gcc/clang and other compilers that support it. */ #ifndef __has_builtin /* GCC prior to 10 or non-clang compilers */ /* Compatibility with gcc <= 9 */ #if __GNUC__ <= 9 #define __has_builtin(x) HAS##x #define HAS__builtin_popcount 1 #define HAS__builtin_popcountll 1 #else #define __has_builtin(x) 0 #endif #endif /** * MACRO for shuffle parameter for _mm_shuffle_ps(). * Argument fp3 is a digit[0123] that represents the fp from argument "b" * of mm_shuffle_ps that will be placed in fp3 of result. fp2 is the same * for fp2 in result. fp1 is a digit[0123] that represents the fp from * argument "a" of mm_shuffle_ps that will be places in fp1 of result. * fp0 is the same for fp0 of result. */ #define _MM_SHUFFLE(fp3, fp2, fp1, fp0) \ (((fp3) << 6) | ((fp2) << 4) | ((fp1) << 2) | ((fp0))) /* Rounding mode macros. */ #define _MM_FROUND_TO_NEAREST_INT 0x00 #define _MM_FROUND_TO_NEG_INF 0x01 #define _MM_FROUND_TO_POS_INF 0x02 #define _MM_FROUND_TO_ZERO 0x03 #define _MM_FROUND_CUR_DIRECTION 0x04 #define _MM_FROUND_NO_EXC 0x08 /* indicate immediate constant argument in a given range */ #define __constrange(a, b) const /* A few intrinsics accept traditional data types like ints or floats, but * most operate on data types that are specific to SSE. * If a vector type ends in d, it contains doubles, and if it does not have * a suffix, it contains floats. An integer vector type can contain any type * of integer, from chars to shorts to unsigned long longs. */ typedef int64x1_t __m64; typedef float32x4_t __m128; /* 128-bit vector containing 4 floats */ // On ARM 32-bit architecture, the float64x2_t is not supported. // The data type __m128d should be represented in a different way for related // intrinsic conversion. #if defined(__aarch64__) typedef float64x2_t __m128d; /* 128-bit vector containing 2 doubles */ #else typedef float32x4_t __m128d; #endif typedef int64x2_t __m128i; /* 128-bit vector containing integers */ /* type-safe casting between types */ #define vreinterpretq_m128_f16(x) vreinterpretq_f32_f16(x) #define vreinterpretq_m128_f32(x) (x) #define vreinterpretq_m128_f64(x) vreinterpretq_f32_f64(x) #define vreinterpretq_m128_u8(x) vreinterpretq_f32_u8(x) #define vreinterpretq_m128_u16(x) vreinterpretq_f32_u16(x) #define vreinterpretq_m128_u32(x) vreinterpretq_f32_u32(x) #define vreinterpretq_m128_u64(x) vreinterpretq_f32_u64(x) #define vreinterpretq_m128_s8(x) vreinterpretq_f32_s8(x) #define vreinterpretq_m128_s16(x) vreinterpretq_f32_s16(x) #define vreinterpretq_m128_s32(x) vreinterpretq_f32_s32(x) #define vreinterpretq_m128_s64(x) vreinterpretq_f32_s64(x) #define vreinterpretq_f16_m128(x) vreinterpretq_f16_f32(x) #define vreinterpretq_f32_m128(x) (x) #define vreinterpretq_f64_m128(x) vreinterpretq_f64_f32(x) #define vreinterpretq_u8_m128(x) vreinterpretq_u8_f32(x) #define vreinterpretq_u16_m128(x) vreinterpretq_u16_f32(x) #define vreinterpretq_u32_m128(x) vreinterpretq_u32_f32(x) #define vreinterpretq_u64_m128(x) vreinterpretq_u64_f32(x) #define vreinterpretq_s8_m128(x) vreinterpretq_s8_f32(x) #define vreinterpretq_s16_m128(x) vreinterpretq_s16_f32(x) #define vreinterpretq_s32_m128(x) vreinterpretq_s32_f32(x) #define vreinterpretq_s64_m128(x) vreinterpretq_s64_f32(x) #define vreinterpretq_m128i_s8(x) vreinterpretq_s64_s8(x) #define vreinterpretq_m128i_s16(x) vreinterpretq_s64_s16(x) #define vreinterpretq_m128i_s32(x) vreinterpretq_s64_s32(x) #define vreinterpretq_m128i_s64(x) (x) #define vreinterpretq_m128i_u8(x) vreinterpretq_s64_u8(x) #define vreinterpretq_m128i_u16(x) vreinterpretq_s64_u16(x) #define vreinterpretq_m128i_u32(x) vreinterpretq_s64_u32(x) #define vreinterpretq_m128i_u64(x) vreinterpretq_s64_u64(x) #define vreinterpretq_s8_m128i(x) vreinterpretq_s8_s64(x) #define vreinterpretq_s16_m128i(x) vreinterpretq_s16_s64(x) #define vreinterpretq_s32_m128i(x) vreinterpretq_s