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minor refact

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A-lex-Ra 2024-01-31 09:57:26 +06:00
parent 8c722b146e
commit cd0ab951cf
1 changed files with 10 additions and 8 deletions
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18
src/audio/audioutil.cpp
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@ -15,21 +15,23 @@
#endif #endif
bool is_big_endian(void){ bool is_big_endian(void){
union { uint32_t ui32_v = 0x01020304;
uint32_t i; char bytes[sizeof(uint32_t)];
char c[4]; std::memcpy(bytes, &ui32_v, sizeof(uint32_t));
} bint = {0x01020304};
return bint.c[0] == 1; return bytes[0] == 1;
} }
std::int32_t convert_to_int(char* buffer, std::size_t len){ std::int32_t convert_to_int(char* buffer, std::size_t len){
std::int32_t a = 0; std::int32_t a = 0;
if(!is_big_endian()) if (!is_big_endian()) {
std::memcpy(&a, buffer, len); std::memcpy(&a, buffer, len);
else }
for(std::size_t i = 0; i < len; ++i) else {
for (std::size_t i = 0; i < len; ++i) {
reinterpret_cast<char*>(&a)[3 - i] = buffer[i]; reinterpret_cast<char*>(&a)[3 - i] = buffer[i];
}
}
return a; return a;
} }