av_tx.c File Reference

#include "libavutil/mem_internal.h"
#include "libavutil/tx.h"
#include "libavutil/error.h"
#include "checkasm.h"
#include <stdlib.h>

Go to the source code of this file.

Macros
#define	EPS   0.00005
#define	SCALE_NOOP(x)   (x)
#define	SCALE_INT20(x)   (av_clip64(lrintf((x) * 2147483648.0), INT32_MIN, INT32_MAX) >> 12)
#define	randomize_complex(BUF, LEN, TYPE, SCALE)
#define	CHECK_TEMPLATE(PREFIX, TYPE, DATA_TYPE, SCALE, LENGTHS, CHECK_EXPRESSION)

Functions
static void	free_tx_refs (void)
void	checkasm_check_av_tx (void)

Variables
static const int	check_lens []
static AVTXContext *	tx_refs [6][FF_ARRAY_ELEMS(check_lens)]
static int	init = 0

Macro Definition Documentation

EPS

#define EPS   0.00005

Definition at line 27 of file av_tx.c.

SCALE_NOOP

#define SCALE_NOOP

(

x

)

(x)

Definition at line 29 of file av_tx.c.

SCALE_INT20

#define SCALE_INT20

(

x

)

(av_clip64(lrintf((x) * 2147483648.0), INT32_MIN, INT32_MAX) >> 12)

Definition at line 30 of file av_tx.c.

randomize_complex

#define randomize_complex	(		BUF,
			LEN,
			TYPE,
			SCALE
	)

Value:

    do {                                                        \
        TYPE *buf = (TYPE *)BUF;                                \
        for (int i = 0; i < LEN; i++) {                         \
            double fre = (double)rnd() / UINT_MAX;              \
            double fim = (double)rnd() / UINT_MAX;              \
            buf[i] = (TYPE){ SCALE(fre), SCALE(fim) };          \
        }                                                       \
    } while (0)

Definition at line 32 of file av_tx.c.

CHECK_TEMPLATE

#define CHECK_TEMPLATE	(		PREFIX,
			TYPE,
			DATA_TYPE,
			SCALE,
			LENGTHS,
			CHECK_EXPRESSION
	)

Definition at line 56 of file av_tx.c.

Function Documentation

free_tx_refs()

static void free_tx_refs ( void  )

static

Definition at line 49 of file av_tx.c.

Referenced by checkasm_check_av_tx().

checkasm_check_av_tx()

void checkasm_check_av_tx

(

void

)

Definition at line 100 of file av_tx.c.

Variable Documentation

check_lens

const int check_lens[]

static

Initial value:

= {
    2, 4, 8, 16, 32, 64, 1024, 16384,
}

Definition at line 42 of file av_tx.c.

Referenced by checkasm_check_av_tx().

tx_refs

AVTXContext* tx_refs[6][FF_ARRAY_ELEMS(check_lens)]

static

Definition at line 46 of file av_tx.c.

Referenced by free_tx_refs().

init

int init = 0

static

Definition at line 47 of file av_tx.c.

Referenced by checkasm_check_av_tx(), idct248_ref(), AVFFrameReceiver::initWithContext:, and AVFAudioReceiver::initWithContext:.