vc1dsp.c File Reference

#include <string.h>
#include "checkasm.h"
#include "libavcodec/vc1dsp.h"
#include "libavutil/common.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"

Go to the source code of this file.

Data Structures
struct	test
struct	matrix

Macros
#define	VC1DSP_TEST(func)   { #func, offsetof(VC1DSPContext, func) },
#define	VC1DSP_SIZED_TEST(func, width, height)   { #func, offsetof(VC1DSPContext, func), width, height },
#define	ATTENUATION   4
#define	RANDOMIZE_BUFFER16(name, size)
#define	RANDOMIZE_BUFFER8(name, size)
#define	RANDOMIZE_BUFFER8_MID_WEIGHTED(name, size)
#define	TEST_UNESCAPE
#define	LOG2_UNESCAPE_BUF_SIZE   17
#define	UNESCAPE_BUF_SIZE   (1u<<LOG2_UNESCAPE_BUF_SIZE)

Functions
static matrix *	new_matrix (size_t width, size_t height)
static matrix *	multiply (const matrix *a, const matrix *b)
static void	normalise (matrix *a)
static void	divide_and_round_nearest (matrix *a, float by)
static void	tweak (matrix *a)
static matrix *	generate_inverse_quantized_transform_coefficients (size_t width, size_t height)
static void	check_inv_trans_inplace (void)
static void	check_inv_trans_adding (void)
static void	check_loop_filter (void)
static void	check_unescape (void)
void	checkasm_check_vc1dsp (void)

Variables
static const matrix	T8
static const matrix	T4
static const matrix	T8t
static const matrix	T4t

Macro Definition Documentation

VC1DSP_TEST

#define VC1DSP_TEST

(

func

)

{ #func, offsetof(VC1DSPContext, func) },

Definition at line 32 of file vc1dsp.c.

VC1DSP_SIZED_TEST

#define VC1DSP_SIZED_TEST	(		func,
			width,
			height
	)		{ #func, offsetof(VC1DSPContext, func), width, height },

Definition at line 33 of file vc1dsp.c.

ATTENUATION

#define ATTENUATION   4

Definition at line 163 of file vc1dsp.c.

RANDOMIZE_BUFFER16

#define RANDOMIZE_BUFFER16	(		name,
			size
	)

Value:

    do {                                      \
        int i;                                \
        for (i = 0; i < size; ++i) {          \
            uint16_t r = rnd();               \
            AV_WN16A(name##0 + i, r);         \
            AV_WN16A(name##1 + i, r);         \
        }                                     \
    } while (0)

Definition at line 215 of file vc1dsp.c.

RANDOMIZE_BUFFER8

#define RANDOMIZE_BUFFER8	(		name,
			size
	)

Value:

    do {                                      \
        int i;                                \
        for (i = 0; i < size; ++i) {          \
            uint8_t r = rnd();                \
            name##0[i] = r;                   \
            name##1[i] = r;                   \
        }                                     \
    } while (0)

Definition at line 225 of file vc1dsp.c.

RANDOMIZE_BUFFER8_MID_WEIGHTED

#define RANDOMIZE_BUFFER8_MID_WEIGHTED	(		name,
			size
	)

Value:

    do {                                            \
        uint8_t *p##0 = name##0, *p##1 = name##1;   \
        int i = (size);                             \
        while (i-- > 0) {                           \
            int x = 0x80 | (rnd() & 0x7F);          \
            x >>= rnd() % 9;                        \
            if (rnd() & 1)                          \
                x = -x;                             \
            *p##1++ = *p##0++ = 0x80 + x;           \
        }                                           \
    } while (0)

Definition at line 235 of file vc1dsp.c.

TEST_UNESCAPE

#define TEST_UNESCAPE

Value:

    do {                                                                                            \
        for (int count = 100; count > 0; --count) {                                                 \
            escaped_offset = rnd() & 7;                                                             \
            unescaped_offset = rnd() & 7;                                                           \
            escaped_len = (1u << (rnd() % 8) + 3) - (rnd() & 7);                                    \
            RANDOMIZE_BUFFER8(unescaped, UNESCAPE_BUF_SIZE);                                        \
            len0 = call_ref(escaped0 + escaped_offset, escaped_len, unescaped0 + unescaped_offset); \
            len1 = call_new(escaped1 + escaped_offset, escaped_len, unescaped1 + unescaped_offset); \
            if (len0 != len1 || memcmp(unescaped0, unescaped1, UNESCAPE_BUF_SIZE))                  \
                fail();                                                                             \
        }                                                                                           \
    } while (0)

Definition at line 377 of file vc1dsp.c.

LOG2_UNESCAPE_BUF_SIZE

#define LOG2_UNESCAPE_BUF_SIZE   17

UNESCAPE_BUF_SIZE

#define UNESCAPE_BUF_SIZE   (1u<<LOG2_UNESCAPE_BUF_SIZE)

Function Documentation

new_matrix()

static matrix* new_matrix ( size_t  width, size_t  height  )

static

Definition at line 84 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients(), and multiply().

multiply()

static matrix* multiply ( const matrix *  a, const matrix *  b  )

static

Definition at line 96 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients().

normalise()

static void normalise ( matrix *  a )

static

Definition at line 114 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients().

divide_and_round_nearest()

static void divide_and_round_nearest ( matrix *  a, float  by  )

static

Definition at line 131 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients().

tweak()

static void tweak ( matrix *  a )

static

Definition at line 140 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients().

generate_inverse_quantized_transform_coefficients()

static matrix* generate_inverse_quantized_transform_coefficients ( size_t  width, size_t  height  )

static

Definition at line 165 of file vc1dsp.c.

Referenced by check_inv_trans_adding(), and check_inv_trans_inplace().

check_inv_trans_inplace()

static void check_inv_trans_inplace ( void  )

static

Definition at line 248 of file vc1dsp.c.

Referenced by checkasm_check_vc1dsp().

check_inv_trans_adding()

static void check_inv_trans_adding ( void  )

static

Definition at line 281 of file vc1dsp.c.

Referenced by checkasm_check_vc1dsp().

check_loop_filter()

static void check_loop_filter ( void  )

static

Definition at line 331 of file vc1dsp.c.

Referenced by checkasm_check_vc1dsp().

check_unescape()

static void check_unescape ( void  )

static

Definition at line 391 of file vc1dsp.c.

Referenced by checkasm_check_vc1dsp().

checkasm_check_vc1dsp()

void checkasm_check_vc1dsp

(

void

)

Definition at line 441 of file vc1dsp.c.

Variable Documentation

T8

const matrix T8

static

Initial value:

= { 8, 8, {
        12,  12,  12,  12,  12,  12,  12,  12,
        16,  15,   9,   4,  -4,  -9, -15, -16,
        16,   6,  -6, -16, -16,  -6,   6,  16,
        15,  -4, -16,  -9,   9,  16,   4, -15,
        12, -12, -12,  12,  12, -12, -12,  12,
         9, -16,   4,  15, -15,  -4,  16,  -9,
         6, -16,  16,  -6,  -6,  16, -16,   6,
         4,  -9,  15, -16,  16, -15,   9,  -4
} }

Definition at line 48 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients().

T4

const matrix T4

static

Initial value:

= { 4, 4, {
        17,  17,  17,  17,
        22,  10, -10, -22,
        17, -17, -17,  17,
        10, -22,  22, -10
} }

Definition at line 59 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients().

T8t

const matrix T8t

static

Initial value:

= { 8, 8, {
        12,  16,  16,  15,  12,   9,   6,   4,
        12,  15,   6,  -4, -12, -16, -16,  -9,
        12,   9,  -6, -16, -12,   4,  16,  15,
        12,   4, -16,  -9,  12,  15,  -6, -16,
        12,  -4, -16,   9,  12, -15,  -6,  16,
        12,  -9,  -6,  16, -12,  -4,  16, -15,
        12, -15,   6,   4, -12,  16, -16,   9,
        12, -16,  16, -15,  12,  -9,   6,  -4
} }

Definition at line 66 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients().

T4t

const matrix T4t

static

Initial value:

= { 4, 4, {
        17,  22,  17,  10,
        17,  10, -17, -22,
        17, -10, -17,  22,
        17, -22,  17, -10
} }

Definition at line 77 of file vc1dsp.c.

Referenced by generate_inverse_quantized_transform_coefficients().