libavcodec/dct-test.c File Reference

DCT test (c) 2001 Fabrice Bellard Started from sample code by Juan J. More...

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#include <unistd.h>
#include <math.h>
#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "libavutil/lfg.h"
#include "simple_idct.h"
#include "aandcttab.h"
#include "faandct.h"
#include "faanidct.h"
#include "x86/idct_xvid.h"
#include "dctref.h"

Go to the source code of this file.

Data Structures

struct  algo

Defines

#define AANSCALE_BITS   12
#define NB_ITS   20000
#define NB_ITS_SPEED   50000

Functions

void ff_mmx_idct (DCTELEM *data)
void ff_mmxext_idct (DCTELEM *data)
void ff_bfin_idct (DCTELEM *block)
void ff_bfin_fdct (DCTELEM *block)
void ff_fdct_altivec (DCTELEM *block)
void ff_j_rev_dct_arm (DCTELEM *data)
void ff_simple_idct_arm (DCTELEM *data)
void ff_simple_idct_armv5te (DCTELEM *data)
void ff_simple_idct_armv6 (DCTELEM *data)
void ff_simple_idct_neon (DCTELEM *data)
void ff_simple_idct_axp (DCTELEM *data)
static int64_t gettime (void)
static void idct_mmx_init (void)
 DECLARE_ALIGNED (16, static DCTELEM, block)[64]
 DECLARE_ALIGNED (8, static DCTELEM, block1)[64]
static void mmx_emms (void)
static void init_block (DCTELEM block[64], int test, int is_idct, AVLFG *prng, int vals)
static void permute (DCTELEM dst[64], const DCTELEM src[64], int perm)
static int dct_error (const struct algo *dct, int test, int is_idct, int speed, const int bits)
 DECLARE_ALIGNED (8, static uint8_t, img_dest)[64]
 DECLARE_ALIGNED (8, static uint8_t, img_dest1)[64]
static void idct248_ref (uint8_t *dest, int linesize, int16_t *block)
static void idct248_error (const char *name, void(*idct248_put)(uint8_t *dest, int line_size, int16_t *block), int speed)
static void help (void)
int main (int argc, char **argv)

Variables

static int cpu_flags
static struct algo fdct_tab []
static struct algo idct_tab []
static short idct_mmx_perm [64]
static short idct_simple_mmx_perm [64]
static const uint8_t idct_sse2_row_perm [8] = { 0, 4, 1, 5, 2, 6, 3, 7 }

Detailed Description

DCT test (c) 2001 Fabrice Bellard Started from sample code by Juan J.

Sierralta P.

Definition in file dct-test.c.

Define Documentation

#define AANSCALE_BITS   12

Definition at line 163 of file dct-test.c.

Referenced by dct_error().

#define NB_ITS   20000

Definition at line 172 of file dct-test.c.

Referenced by dct_error(), idct248_error(), and test_motion().

#define NB_ITS_SPEED   50000

Definition at line 173 of file dct-test.c.

Referenced by dct_error(), and idct248_error().

Function Documentation

static int dct_error ( const struct algo *  dct,
int  test,
int  is_idct,
int  speed,
const int  bits 
) [static]

Definition at line 264 of file dct-test.c.

Referenced by main().

DECLARE_ALIGNED ( 8  ,
static  uint8_t,
img_dest1   
)

DECLARE_ALIGNED ( 8  ,
static  uint8_t,
img_dest   
)

DECLARE_ALIGNED ( 8  ,
static  DCTELEM,
block1   
)

DECLARE_ALIGNED ( 16  ,
static  DCTELEM,
block   
)

void ff_bfin_fdct ( DCTELEM *  block  ) 

void ff_bfin_idct ( DCTELEM *  block  ) 

void ff_fdct_altivec ( DCTELEM *  block  ) 

Referenced by ff_dsputil_init_ppc().

void ff_j_rev_dct_arm ( DCTELEM *  data  ) 

void ff_mmx_idct ( DCTELEM *  data  ) 

Referenced by ff_dsputil_init_mmx().

void ff_mmxext_idct ( DCTELEM *  data  ) 

Referenced by ff_dsputil_init_mmx().

void ff_simple_idct_arm ( DCTELEM *  data  ) 

void ff_simple_idct_armv5te ( DCTELEM *  data  ) 

void ff_simple_idct_armv6 ( DCTELEM *  data  ) 

void ff_simple_idct_axp ( DCTELEM *  data  ) 

Definition at line 254 of file simple_idct_alpha.c.

void ff_simple_idct_neon ( DCTELEM *  data  ) 

static int64_t gettime ( void   )  [static]

Definition at line 165 of file dct-test.c.

Referenced by dct_error(), idct248_error(), main(), and test_motion().

static void help ( void   )  [static]

Definition at line 524 of file dct-test.c.

Referenced by main().

static void idct248_error ( const char *  name,
void(*)(uint8_t *dest, int line_size, int16_t *block)  idct248_put,
int  speed 
) [static]

Definition at line 448 of file dct-test.c.

Referenced by main().

static void idct248_ref ( uint8_t *  dest,
int  linesize,
int16_t *  block 
) [static]

Definition at line 368 of file dct-test.c.

Referenced by idct248_error().

static void idct_mmx_init ( void   )  [static]

Definition at line 190 of file dct-test.c.

Referenced by main().

static void init_block ( DCTELEM  block[64],
int  test,
int  is_idct,
AVLFG *  prng,
int  vals 
) [static]

Definition at line 211 of file dct-test.c.

Referenced by dct_error().

int main ( int  argc,
char **  argv 
)

Definition at line 536 of file dct-test.c.

static void mmx_emms ( void   )  [inline, static]

Definition at line 203 of file dct-test.c.

Referenced by dct_error(), and idct248_error().

static void permute ( DCTELEM  dst[64],
const DCTELEM  src[64],
int  perm 
) [static]

Definition at line 239 of file dct-test.c.

Referenced by dct_error(), decode_frame_header(), decode_init(), vp5_parse_coeff(), vp6_parse_coeff(), and vp6_parse_coeff_huffman().

Variable Documentation

int cpu_flags [static]

Definition at line 77 of file dct-test.c.

Referenced by DECLARE_ASM_CONST(), ff_ac3dsp_init_arm(), ff_dcadsp_init_arm(), ff_dsputil_init_arm(), ff_dsputil_init_vfp(), ff_fft_fixed_init_arm(), ff_fft_init_arm(), ff_fmt_convert_init_arm(), ff_h264_pred_init_arm(), ff_h264dsp_init_arm(), ff_mpadsp_init_arm(), ff_MPV_common_init_arm(), ff_psdsp_init_arm(), ff_sbrdsp_init_arm(), ff_sws_init_swScale_mmx(), ff_vp56dsp_init_arm(), ff_vp8dsp_init_arm(), init(), main(), mmx_emms(), sws_init_context(), swScale(), and v210_x86_init().

struct algo fdct_tab[] [static]

Initial value:

 {
    { "REF-DBL",        ff_ref_fdct,           NO_PERM    },
    { "FAAN",           ff_faandct,            NO_PERM    },
    { "IJG-AAN-INT",    ff_fdct_ifast,         SCALE_PERM },
    { "IJG-LLM-INT",    ff_jpeg_fdct_islow_8,  NO_PERM    },


    { "MMX",            ff_fdct_mmx,           NO_PERM,   AV_CPU_FLAG_MMX     },
    { "MMX2",           ff_fdct_mmx2,          NO_PERM,   AV_CPU_FLAG_MMX2    },
    { "SSE2",           ff_fdct_sse2,          NO_PERM,   AV_CPU_FLAG_SSE2    },










    { 0 }
}

Definition at line 79 of file dct-test.c.

short idct_mmx_perm[64] [static]

Definition at line 175 of file dct-test.c.

short idct_simple_mmx_perm[64] [static]

Initial value:

 {
    0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
    0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
    0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
    0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
    0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
    0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
    0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
    0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
}

Definition at line 177 of file dct-test.c.

const uint8_t idct_sse2_row_perm[8] = { 0, 4, 1, 5, 2, 6, 3, 7 } [static]

Definition at line 188 of file dct-test.c.

Referenced by ff_init_scantable_permutation().

struct algo idct_tab[] [static]

Definition at line 118 of file dct-test.c.

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