spandsp
0.0.6
|
#include <inttypes.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <assert.h>
#include <memory.h>
#include "spandsp/telephony.h"
#include "spandsp/bit_operations.h"
Functions | |
uint16_t | bit_reverse16 (uint16_t x) |
Bit reverse a 16 bit word. More... | |
uint32_t | bit_reverse32 (uint32_t x) |
Bit reverse a 32 bit word. More... | |
uint32_t | bit_reverse_4bytes (uint32_t x) |
Bit reverse each of the four bytes in a 32 bit word. More... | |
void | bit_reverse (uint8_t to[], const uint8_t from[], int len) |
Bit reverse each byte in a buffer. More... | |
int | one_bits32 (uint32_t x) |
Find the number of set bits in a 32 bit word. More... | |
uint32_t | make_mask32 (uint32_t x) |
Create a mask as wide as the number in a 32 bit word. More... | |
uint16_t | make_mask16 (uint16_t x) |
Create a mask as wide as the number in a 16 bit word. More... | |
void bit_reverse | ( | uint8_t | to[], |
const uint8_t | from[], | ||
int | len | ||
) |
Bit reverse each byte in a buffer.
to | The buffer to place the reversed data in. |
from | The buffer containing the data to be reversed. |
len | The length of the data in the buffer. |
uint16_t bit_reverse16 | ( | uint16_t | data | ) |
Bit reverse a 16 bit word.
data | The word to be reversed. |
uint32_t bit_reverse32 | ( | uint32_t | data | ) |
Bit reverse a 32 bit word.
data | The word to be reversed. |
uint32_t bit_reverse_4bytes | ( | uint32_t | data | ) |
Bit reverse each of the four bytes in a 32 bit word.
data | The word to be reversed. |
uint16_t make_mask16 | ( | uint16_t | x | ) |
Create a mask as wide as the number in a 16 bit word.
x | The word to be searched. |
uint32_t make_mask32 | ( | uint32_t | x | ) |
Create a mask as wide as the number in a 32 bit word.
x | The word to be searched. |
int one_bits32 | ( | uint32_t | x | ) |
Find the number of set bits in a 32 bit word.
x | The word to be searched. |