libavcodec/dct-test.c File Reference

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

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

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 void	idct_mmx_init (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)
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 }
static DCTELEM	block [64]
static DCTELEM	block1 [64]
static uint8_t	img_dest [64]
static uint8_t	img_dest1 [64]

---

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 166 of file dct-test.c.

Referenced by dct_error().

#define NB_ITS   20000

Definition at line 168 of file dct-test.c.

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

#define NB_ITS_SPEED   50000

Definition at line 169 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 254 of file dct-test.c.

Referenced by main().

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 void help

(

void

)

[static]

Definition at line 514 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 438 of file dct-test.c.

Referenced by main().

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

Definition at line 358 of file dct-test.c.

Referenced by idct248_error().

static void idct_mmx_init

(

void

)

[static]

Definition at line 186 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 199 of file dct-test.c.

Referenced by dct_error().

int main	(	int	argc,
		char **	argv
	)

Definition at line 530 of file dct-test.c.

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

Definition at line 229 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

DCTELEM block[64] [static]

Definition at line 196 of file dct-test.c.

Referenced by add_yblock(), allocate_buffers(), apply_channel_coupling(), apply_mdct(), avg_pixels16_TMPL(), avg_pixels16_x2_TMPL(), avg_pixels16_xy2_TMPL(), avg_pixels16_y2_TMPL(), avg_pixels4_TMPL(), avg_pixels8_TMPL(), avg_pixels8_x2_TMPL(), avg_pixels8_xy2_TMPL(), avg_pixels8_y2_TMPL(), backup_duplicate_context(), bink_decode_plane(), binkb_decode_plane(), bit_alloc(), bit_alloc_masking(), check_4block_inter(), check_block(), compute_rematrixing_strategy(), count_exponent_bits(), count_frame_bits(), count_mantissa_bits_update_ch(), dca_subsubframe(), dca_xbr_parse_frame(), dct_error(), dct_get(), dct_quantize_TMPL(), dct_single_coeff_elimination(), decode(), decode_cell(), decode_mb_b(), decode_mb_i(), decode_residual_block(), decode_residual_inter(), decode_slice_chroma(), decode_slice_luma(), diff_planes(), dirac_unpack_block_motion_data(), dnxhd_calc_bits_thread(), dnxhd_encode_thread(), dv_decode_video_segment(), dvbsub_parse_object_segment(), encode_block(), encode_exponents(), encode_slice_plane(), extract_exponents(), ff_ac3_apply_rematrixing(), ff_ac3_compute_coupling_strategy(), ff_ac3_encode_close(), ff_ac3_group_exponents(), ff_ac3_quantize_mantissas(), ff_eac3_output_frame_header(), ff_eac3_set_cpl_states(), ff_fix_long_p_mvs(), ff_h264_chroma422_dc_dequant_idct(), ff_h264_chroma_dc_dequant_idct(), ff_h264_idct8_add(), ff_h264_idct8_add4(), ff_h264_idct8_dc_add(), ff_h264_idct_add(), ff_h264_idct_add16(), ff_h264_idct_add16intra(), ff_h264_idct_add8(), ff_h264_idct_add8_422(), ff_h264_idct_dc_add(), ff_idct_add_altivec(), ff_idct_put_altivec(), ff_rtjpeg_decode_frame_yuv420(), ff_simple_idct(), ff_simple_idct_add(), ff_simple_idct_put(), ff_subblock_synthesis(), ff_vp56_decode_mbs(), filter(), get(), h263_mv4_search(), hl_decode_mb(), hl_decode_mb_idct_luma(), hl_decode_mb_predict_luma(), idct_put(), interlaced_search(), iterative_me(), mjpeg_decode_scan(), mjpeg_decode_scan_progressive_ac(), nelly_decode_block(), output_audio_block(), pixels16(), pixels16_x2(), pixels4(), pixels8(), pixels8_x2(), pixels8_xy2(), pixels8_y2(), pred4x4_horizontal_add(), pred4x4_vertical_add(), pred8x8l_horizontal_add(), pred8x8l_vertical_add(), put_no_rnd_pixels16_x2_TMPL(), put_no_rnd_pixels16_y2_TMPL(), put_no_rnd_pixels8_x2_exact_TMPL(), put_no_rnd_pixels8_x2_TMPL(), put_no_rnd_pixels8_y2_exact_TMPL(), put_no_rnd_pixels8_y2_TMPL(), put_pixels16_x2_TMPL(), put_pixels16_y2_TMPL(), put_pixels8_x2_TMPL(), put_pixels8_y2_TMPL(), render_slice(), scale_coefficients(), seq_decode_op1(), set_blocks(), sha1_transform(), sha256_transform(), snow_set_blocks(), tgq_idct_put_mb(), tqi_decode_mb(), tqi_idct_put(), vc1_decode_i_blocks_adv(), vlc_decode_block(), zmbv_decode_xor_16(), and zmbv_decode_xor_8().

DCTELEM block1[64] [static]

Definition at line 197 of file dct-test.c.

Referenced by dct_error(), dv_decode_video_segment(), idct248_error(), and idct248_ref().

int cpu_flags [static]

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

Referenced by ff_ac3dsp_init_arm(), ff_audio_convert_init_arm(), ff_dcadsp_init_arm(), ff_dsputil_init_arm(), ff_fft_fixed_init_arm(), ff_fft_init_arm(), ff_float_dsp_init_arm(), ff_float_dsp_init_vfp(), ff_fmt_convert_init_arm(), ff_gradfun_init_x86(), 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_vp3dsp_init_arm(), ff_vp56dsp_init_arm(), ff_vp8dsp_init_arm(), ff_yadif_init_x86(), ff_yuv2rgb_init_mmx(), main(), rgb2rgb_init_x86(), swri_audio_convert_init_arm(), 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    },















    { 0 }
}

Definition at line 81 of file dct-test.c.

short idct_mmx_perm[64] [static]

Definition at line 171 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 173 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 184 of file dct-test.c.

Referenced by ff_init_scantable_permutation().

struct algo idct_tab[] [static]

Definition at line 121 of file dct-test.c.

uint8_t img_dest[64] [static]

Definition at line 355 of file dct-test.c.

Referenced by idct248_error().

uint8_t img_dest1[64] [static]

Definition at line 356 of file dct-test.c.

Referenced by idct248_error().