mpegvideo_unquantize.c File Reference

#include <assert.h>
#include <stddef.h>
#include "config.h"
#include "checkasm.h"
#include "libavcodec/idctdsp.h"
#include "libavcodec/mathops.h"
#include "libavcodec/mpegvideo.h"
#include "libavcodec/mpegvideodata.h"
#include "libavcodec/mpegvideo_unquantize.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"

Go to the source code of this file.

Macros
#define	randomize_struct(TYPE, s)
#define	TEST(NAME, INTRA, INTRA_SCANTABLE, TYPE)

Enumerations
enum	TestType { H263 , MPEG1 , MPEG2 }

Functions
static void	init_idct_scantable (MPVContext *const s, const uint8_t *scantable, enum idct_permutation_type idct_permutation, int intra_scantable)
static void	init_h263_test (MPVContext *const s, int16_t block[64], int last_nonzero_coeff, int qscale, int h263_aic, int ac_pred, int intra)
static void	init_mpeg12_test (MPVContext *const s, int16_t block[64], int last_nonzero_coeff, int qscale, int intra, enum TestType type)
void	checkasm_check_mpegvideo_unquantize (void)

Variables
static enum idct_permutation_type	permutation_types []
static const uint8_t	ff_wmv1_scantable [][64]
static const uint8_t *const	scantables []

Macro Definition Documentation

randomize_struct

#define randomize_struct	(		TYPE,
			s )

Value:

    do {                    \
    static_assert(!(_Alignof(TYPE) % 4),                  \
                  "can't use aligned stores");            \
    unsigned char *ptr = (unsigned char*)s;               \
    for (size_t i = 0; i < (sizeof(*s) & ~3); i += 4)     \
        AV_WN32A(ptr + i, rnd());                         \
    for (size_t i = sizeof(*s) & ~3; i < sizeof(*s); ++i) \
        ptr[i] = rnd();                                   \
   } while (0)

Definition at line 35 of file mpegvideo_unquantize.c.

Referenced by checkasm_check_mpegvideo_unquantize().

TEST

#define TEST	(		NAME,
			INTRA,
			INTRA_SCANTABLE,
			TYPE )

Value:

    { .name = #NAME, .offset = offsetof(MPVUnquantDSPContext, NAME),     \
      .intra = INTRA, .intra_scantable = INTRA_SCANTABLE, .type = TYPE }

Referenced by checkasm_check_mpegvideo_unquantize().

Enumeration Type Documentation

TestType

enum TestType

Enumerator
H263
MPEG1
MPEG2

Definition at line 45 of file mpegvideo_unquantize.c.

Function Documentation

init_idct_scantable()

static void init_idct_scantable ( MPVContext *const s, const uint8_t * scantable, enum idct_permutation_type idct_permutation, int intra_scantable )

static

Definition at line 113 of file mpegvideo_unquantize.c.

Referenced by checkasm_check_mpegvideo_unquantize().

init_h263_test()

static void init_h263_test ( MPVContext *const s, int16_t block[64], int last_nonzero_coeff, int qscale, int h263_aic, int ac_pred, int intra )

static

Definition at line 122 of file mpegvideo_unquantize.c.

Referenced by checkasm_check_mpegvideo_unquantize().

init_mpeg12_test()

static void init_mpeg12_test ( MPVContext *const s, int16_t block[64], int last_nonzero_coeff, int qscale, int intra, enum TestType type )

static

Definition at line 146 of file mpegvideo_unquantize.c.

Referenced by checkasm_check_mpegvideo_unquantize().

checkasm_check_mpegvideo_unquantize()

void checkasm_check_mpegvideo_unquantize

(

void

)

Definition at line 187 of file mpegvideo_unquantize.c.

Variable Documentation

permutation_types

enum idct_permutation_type permutation_types[]

static

Initial value:

= {
    FF_IDCT_PERM_NONE,
    FF_IDCT_PERM_LIBMPEG2,
 
 
 
 
 
 
 
 
 
 
 
 
}

Definition at line 51 of file mpegvideo_unquantize.c.

Referenced by checkasm_check_mpegvideo_unquantize().

ff_wmv1_scantable

const uint8_t ff_wmv1_scantable[][64]

static

Definition at line 68 of file mpegvideo_unquantize.c.

scantables

const uint8_t* const scantables[]

static

Initial value:

= {
    ff_alternate_vertical_scan,
    ff_alternate_horizontal_scan,
    ff_zigzag_direct,
    ff_wmv1_scantable[0],
    ff_wmv1_scantable[1],
    ff_wmv1_scantable[2],
    ff_wmv1_scantable[3],
}

Definition at line 103 of file mpegvideo_unquantize.c.

Referenced by checkasm_check_mpegvideo_unquantize().