Synopsis
typedef schro_bool;
#define SCHRO_GET (ptr,
offset,
type)
#define OFFSET (ptr,
offset)
#define SCHRO_INTERNAL
#define ARRAY_SIZE (x)
#define MIN (a,
b)
#define MAX (a,
b)
#define CLAMP (x,
a,
b)
#define DIVIDE_ROUND_UP (a,
b)
#define ROUND_UP_SHIFT (x,
y)
#define ROUND_UP_POW2 (x,
y)
#define ROUND_UP_2 (x)
#define ROUND_UP_4 (x)
#define ROUND_UP_8 (x)
#define ROUND_UP_64 (x)
#define ROUND_SHIFT (x,
y)
#define NEED_CLAMP (x,
y,
a,
b)
#define schro_divide (a,
b)
double schro_utils_entropy (double a,
double total);
int schro_utils_multiplier_to_quant_index
(double x);
double schro_utils_probability_to_entropy (double x);
void schro_utils_reduce_fraction (int *n,
int *d);
int schro_dequantise (int q,
int quant_factor,
int quant_offset);
int schro_quantise (int value,
int quant_factor,
int quant_offset);
void schro_dequantise_s16 (int16_t *dest,
int16_t *src,
int quant_factor,
int quant_offset,
int n);
void schro_quantise_s16 (int16_t *dest,
int16_t *src,
int quant_factor,
int quant_offset,
int n);
void * schro_malloc (int size);
void * schro_malloc0 (int size);
void * schro_realloc (void *ptr,
int size);
void schro_free (void *ptr);
double schro_utils_get_time (void);
int muldiv64 (int a,
int b,
int c);
Details
schro_bool
typedef unsigned int schro_bool;
SCHRO_GET()
#define SCHRO_GET(ptr, offset, type) (*(type *)((uint8_t *)(ptr) + (offset)) )
OFFSET()
#define OFFSET(ptr,offset) ((void *)(((uint8_t *)(ptr)) + (offset)))
SCHRO_INTERNAL
#define SCHRO_INTERNAL __attribute__ ((visibility ("internal")))
ARRAY_SIZE()
#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
MIN()
#define MIN(a,b) ((a)<(b) ? (a) : (b))
MAX()
#define MAX(a,b) ((a)>(b) ? (a) : (b))
CLAMP()
#define CLAMP(x,a,b) ((x)<(a) ? (a) : ((x)>(b) ? (b) : (x)))
DIVIDE_ROUND_UP()
#define DIVIDE_ROUND_UP(a,b) (((a) + (b) - 1)/(b))
ROUND_UP_SHIFT()
#define ROUND_UP_SHIFT(x,y) (((x) + (1<<(y)) - 1)>>(y))
ROUND_UP_POW2()
#define ROUND_UP_POW2(x,y) (((x) + (1<<(y)) - 1)&((~0)<<(y)))
ROUND_UP_2()
#define ROUND_UP_2(x) ROUND_UP_POW2(x,1)
ROUND_UP_4()
#define ROUND_UP_4(x) ROUND_UP_POW2(x,2)
ROUND_UP_8()
#define ROUND_UP_8(x) ROUND_UP_POW2(x,3)
ROUND_UP_64()
#define ROUND_UP_64(x) ROUND_UP_POW2(x,6)
ROUND_SHIFT()
#define ROUND_SHIFT(x,y) (((x) + (1<<((y)-1)))>>(y))
NEED_CLAMP()
#define NEED_CLAMP(x,y,a,b) ((x) < (a) || (y) > (b))
schro_divide()
#define schro_divide(a,b) (((a)<0)?(((a) - (b) + 1)/(b)):((a)/(b)))
schro_utils_entropy ()
double schro_utils_entropy (double a,
double total);
schro_utils_multiplier_to_quant_index ()
int schro_utils_multiplier_to_quant_index
(double x);
schro_utils_probability_to_entropy ()
double schro_utils_probability_to_entropy (double x);
schro_utils_reduce_fraction ()
void schro_utils_reduce_fraction (int *n,
int *d);
schro_dequantise ()
int schro_dequantise (int q,
int quant_factor,
int quant_offset);
schro_quantise ()
int schro_quantise (int value,
int quant_factor,
int quant_offset);
schro_dequantise_s16 ()
void schro_dequantise_s16 (int16_t *dest,
int16_t *src,
int quant_factor,
int quant_offset,
int n);
schro_quantise_s16 ()
void schro_quantise_s16 (int16_t *dest,
int16_t *src,
int quant_factor,
int quant_offset,
int n);
schro_malloc ()
void * schro_malloc (int size);
schro_malloc0 ()
void * schro_malloc0 (int size);
schro_realloc ()
void * schro_realloc (void *ptr,
int size);
schro_free ()
void schro_free (void *ptr);
schro_utils_get_time ()
double schro_utils_get_time (void);
muldiv64 ()
int muldiv64 (int a,
int b,
int c);
