dsputil.h File Reference

DSP utils. More...

#include "libavutil/intreadwrite.h"
#include "avcodec.h"
#include "rnd_avg.h"

Go to the source code of this file.

Data Structures
struct	ScanTable
	Scantable. More...
struct	DSPContext
	DSPContext. More...

Macros
#define	MAX_NEG_CROP   1024
#define	DEF_OLD_QPEL(name)
#define	FF_NO_IDCT_PERM   1
#define	FF_LIBMPEG2_IDCT_PERM   2
#define	FF_SIMPLE_IDCT_PERM   3
#define	FF_TRANSPOSE_IDCT_PERM   4
#define	FF_PARTTRANS_IDCT_PERM   5
#define	FF_SSE2_IDCT_PERM   6
#define	BASIS_SHIFT   16
#define	RECON_SHIFT   6
#define	EDGE_WIDTH   16
#define	EDGE_TOP   1
#define	EDGE_BOTTOM   2

Typedefs
typedef void(*	tpel_mc_func )(uint8_t *block, const uint8_t *pixels, int line_size, int w, int h)
typedef void(*	qpel_mc_func )(uint8_t *dst, uint8_t *src, ptrdiff_t stride)
typedef void(*	op_fill_func )(uint8_t *block, uint8_t value, int line_size, int h)
typedef int(*	me_cmp_func )(void *s, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

Functions
void	ff_put_pixels8x8_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void	ff_avg_pixels8x8_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void	ff_put_pixels16x16_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void	ff_avg_pixels16x16_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void	ff_put_rv40_qpel16_mc33_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void	ff_avg_rv40_qpel16_mc33_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void	ff_put_rv40_qpel8_mc33_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void	ff_avg_rv40_qpel8_mc33_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride)
void	ff_gmc_c (uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy, int dxx, int dxy, int dyx, int dyy, int shift, int r, int width, int height)
void	ff_init_scantable (uint8_t *, ScanTable *st, const uint8_t *src_scantable)
void	ff_init_scantable_permutation (uint8_t *idct_permutation, int idct_permutation_type)
void	ff_dsputil_static_init (void)
void	ff_dsputil_init (DSPContext *p, AVCodecContext *avctx)
void	avpriv_dsputil_init (DSPContext *p, AVCodecContext *avctx)
attribute_deprecated void	dsputil_init (DSPContext *c, AVCodecContext *avctx)
int	ff_check_alignment (void)
void	ff_set_cmp (DSPContext *c, me_cmp_func *cmp, int type)
void	ff_dsputil_init_alpha (DSPContext *c, AVCodecContext *avctx)
void	ff_dsputil_init_arm (DSPContext *c, AVCodecContext *avctx)
void	ff_dsputil_init_bfin (DSPContext *c, AVCodecContext *avctx)
void	ff_dsputil_init_ppc (DSPContext *c, AVCodecContext *avctx)
void	ff_dsputil_init_sh4 (DSPContext *c, AVCodecContext *avctx)
void	ff_dsputil_init_vis (DSPContext *c, AVCodecContext *avctx)
void	ff_dsputil_init_x86 (DSPContext *c, AVCodecContext *avctx)
void	ff_dsputil_init_dwt (DSPContext *c)

Variables
const uint8_t	ff_alternate_horizontal_scan [64]
const uint8_t	ff_alternate_vertical_scan [64]
const uint8_t	ff_zigzag_direct [64]
const uint8_t	ff_zigzag248_direct [64]
uint32_t	ff_squareTbl [512]
const uint8_t	ff_cropTbl [256+2 *MAX_NEG_CROP]

Detailed Description

DSP utils.

note, many functions in here may use MMX which trashes the FPU state, it is absolutely necessary to call emms_c() between dsp & float/double code

Definition in file dsputil.h.

Macro Definition Documentation

#define MAX_NEG_CROP   1024

Definition at line 44 of file dsputil.h.

Referenced by bfin_vp3_idct_add(), bfin_vp3_idct_put(), cavs_idct8_add_c(), deinterlace_line_c(), deinterlace_line_inplace_c(), filter_common(), filter_mbedge(), h_block_filter(), idct_add(), idct_put(), intra_pred_plane(), mp_yuv_to_rgb(), parse_palette_segment(), pred16x16_tm_vp8_c(), pred4x4_tm_vp8_c(), pred8x8_tm_vp8_c(), rv30_weak_loop_filter(), rv40_weak_loop_filter(), v_block_filter(), wmv2_mspel8_h_lowpass(), wmv2_mspel8_v_lowpass(), and yuv_a_to_rgba().

#define DEF_OLD_QPEL

(

name

)

Value:

void ff_put_        ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);\
void ff_put_no_rnd_ ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);\
void ff_avg_        ## name (uint8_t *dst/*align width (8 or 16)*/, uint8_t *src/*align 1*/, ptrdiff_t stride);

Definition at line 85 of file dsputil.h.

#define FF_NO_IDCT_PERM   1

Definition at line 245 of file dsputil.h.

Referenced by decode_init(), ff_cavsdsp_init(), ff_dct_quantize_c(), ff_dsputil_init(), ff_dsputil_init_arm(), ff_dsputil_init_armv5te(), ff_dsputil_init_bfin(), ff_dsputil_init_sh4(), ff_init_scantable_permutation(), ff_proresdsp_init(), ff_wmv2dsp_init(), tgq_decode_init(), and tqi_decode_init().

#define FF_LIBMPEG2_IDCT_PERM   2

Definition at line 246 of file dsputil.h.

Referenced by dct_quantize_TMPL(), ff_dsputil_init(), ff_dsputil_init_arm(), ff_dsputil_init_armv6(), and ff_init_scantable_permutation().

#define FF_SIMPLE_IDCT_PERM   3

Definition at line 247 of file dsputil.h.

Referenced by dct_quantize_TMPL(), ff_dsputil_init_x86(), and ff_init_scantable_permutation().

#define FF_TRANSPOSE_IDCT_PERM   4

Definition at line 248 of file dsputil.h.

Referenced by ff_dsputil_init_ppc(), ff_dsputil_init_vis(), ff_init_scantable_permutation(), and ff_proresdsp_init_x86().

#define FF_PARTTRANS_IDCT_PERM   5

Definition at line 249 of file dsputil.h.

Referenced by ff_dsputil_init_neon(), and ff_init_scantable_permutation().

#define FF_SSE2_IDCT_PERM   6

Definition at line 250 of file dsputil.h.

Referenced by dsputil_init_sse2(), and ff_init_scantable_permutation().

#define BASIS_SHIFT   16

Definition at line 254 of file dsputil.h.

Referenced by add_8x8basis_c(), add_8x8basis_TMPL(), build_basis(), try_8x8basis_c(), and try_8x8basis_TMPL().

#define RECON_SHIFT   6

Definition at line 255 of file dsputil.h.

Referenced by add_8x8basis_c(), add_8x8basis_TMPL(), dct_quantize_refine(), try_8x8basis_c(), and try_8x8basis_TMPL().

#define EDGE_WIDTH   16

Definition at line 258 of file dsputil.h.

Referenced by alloc_frame_buffer(), avcodec_get_edge_width(), encode_frame(), ff_snow_frame_start(), ff_snow_release_buffer(), frame_end(), get_buffer_with_edge(), halfpel_interpol(), interpolate_refplane(), mc_subpel(), update_frame_pool(), and video_get_buffer().

#define EDGE_TOP   1

Definition at line 259 of file dsputil.h.

Referenced by draw_edges(), encode_frame(), ff_snow_frame_start(), frame_end(), and interpolate_refplane().

#define EDGE_BOTTOM   2

Definition at line 260 of file dsputil.h.

Referenced by draw_edges(), encode_frame(), ff_snow_frame_start(), frame_end(), interpolate_refplane(), and load_input_picture().

Typedef Documentation

typedef void(* tpel_mc_func)(uint8_t *block, const uint8_t *pixels, int line_size, int w, int h)

Definition at line 80 of file dsputil.h.

typedef void(* qpel_mc_func)(uint8_t *dst, uint8_t *src, ptrdiff_t stride)

Definition at line 81 of file dsputil.h.

typedef void(* op_fill_func)(uint8_t *block, uint8_t value, int line_size, int h)

Definition at line 83 of file dsputil.h.

typedef int(* me_cmp_func)(void *s, uint8_t *blk1, uint8_t *blk2, int line_size, int h)

Definition at line 106 of file dsputil.h.

Function Documentation

void ff_put_pixels8x8_c	(	uint8_t *	dst,
		uint8_t *	src,
		ptrdiff_t	stride
	)

Definition at line 1330 of file dsputil.c.

Referenced by ff_dsputil_init().

void ff_avg_pixels8x8_c	(	uint8_t *	dst,
		uint8_t *	src,
		ptrdiff_t	stride
	)

Definition at line 1334 of file dsputil.c.

void ff_put_pixels16x16_c	(	uint8_t *	dst,
		uint8_t *	src,
		ptrdiff_t	stride
	)

Definition at line 1338 of file dsputil.c.

void ff_avg_pixels16x16_c	(	uint8_t *	dst,
		uint8_t *	src,
		ptrdiff_t	stride
	)

Definition at line 1342 of file dsputil.c.

void ff_put_rv40_qpel16_mc33_c	(	uint8_t *	dst,
		uint8_t *	src,
		ptrdiff_t	stride
	)

Referenced by ff_rv40dsp_init().

void ff_avg_rv40_qpel16_mc33_c	(	uint8_t *	dst,
		uint8_t *	src,
		ptrdiff_t	stride
	)

Referenced by ff_rv40dsp_init().

void ff_put_rv40_qpel8_mc33_c	(	uint8_t *	dst,
		uint8_t *	src,
		ptrdiff_t	stride
	)

Referenced by ff_rv40dsp_init().

void ff_avg_rv40_qpel8_mc33_c	(	uint8_t *	dst,
		uint8_t *	src,
		ptrdiff_t	stride
	)

Referenced by ff_rv40dsp_init().

void ff_gmc_c	(	uint8_t *	dst,
		uint8_t *	src,
		int	stride,
		int	h,
		int	ox,
		int	oy,
		int	dxx,
		int	dxy,
		int	dyx,
		int	dyy,
		int	shift,
		int	r,
		int	width,
		int	height
	)

Definition at line 546 of file dsputil.c.

Referenced by ff_dsputil_init().

void ff_init_scantable	(	uint8_t *	,
		ScanTable *	st,
		const uint8_t *	src_scantable
	)

Definition at line 108 of file dsputil.c.

Referenced by aic_decode_init(), decode_frame_header(), decode_init(), decode_vop_header(), dnxhd_init_vlc(), ff_cavs_init(), ff_dct_common_init(), ff_intrax8_common_init(), ff_mjpeg_decode_init(), ff_msmpeg4_common_init(), ff_wmv2_common_init(), fic_decode_init(), jpg_init(), ljpeg_encode_init(), mimic_decode_init(), mpeg_decode_picture_coding_extension(), tgq_decode_init(), and tqi_decode_init().

void ff_init_scantable_permutation	(	uint8_t *	idct_permutation,
		int	idct_permutation_type
	)

Definition at line 131 of file dsputil.c.

Referenced by decode_init(), ff_cavs_init(), ff_dsputil_init(), ff_intrax8_common_init(), ff_proresdsp_init(), ff_wmv2_common_init(), tgq_decode_init(), and tqi_decode_init().

void ff_dsputil_static_init

(

void

)

Definition at line 2557 of file dsputil.c.

Referenced by avcodec_init().

void ff_dsputil_init	(	DSPContext *	p,
		AVCodecContext *	avctx
	)

Definition at line 2586 of file dsputil.c.

Referenced by ac3_decode_init(), aic_decode_init(), ape_decode_init(), avpriv_dsputil_init(), cllc_decode_init(), cook_decode_init(), decode_init(), decoder_init(), dirac_decode_init(), dnxhd_decode_header(), dsputil_init(), encode_init(), ff_ac3_encode_init(), ff_asv_common_init(), ff_cavs_init(), ff_dct_common_init(), ff_dvvideo_init(), ff_h264_decode_init(), ff_huffyuv_common_init(), ff_mjpeg_decode_init(), ffv1_common_init(), fic_decode_init(), flac_encode_init(), h264_set_parameter_from_sps(), hevc_init_context(), imc_decode_init(), jpg_init(), lag_decode_init(), ljpeg_encode_init(), main(), mca(), mimic_decode_init(), mp_decode_init(), mpc7_decode_init(), mpc8_decode_init(), png_enc_init(), ra144_decode_init(), ra144_encode_init(), svq1_encode_init(), tak_decode_init(), tqi_decode_init(), truespeech_decode_init(), utvideo_encode_init(), and vble_decode_init().

void avpriv_dsputil_init	(	DSPContext *	p,
		AVCodecContext *	avctx
	)

Definition at line 2849 of file dsputil.c.

Referenced by config_input(), config_props(), and init().

attribute_deprecated void dsputil_init	(	DSPContext *	c,
		AVCodecContext *	avctx
	)

Definition at line 2844 of file dsputil.c.

int ff_check_alignment

(

void

)

Definition at line 2566 of file dsputil.c.

Referenced by encode_thread(), estimate_motion_thread(), ff_dsputil_init(), and mb_var_thread().

void ff_set_cmp	(	DSPContext *	c,
		me_cmp_func *	cmp,
		int	type
	)

Definition at line 1795 of file dsputil.c.

Referenced by encode_init(), ff_dvvideo_init(), ff_init_me(), and ff_MPV_encode_init().

void ff_dsputil_init_alpha	(	DSPContext *	c,
		AVCodecContext *	avctx
	)

Definition at line 122 of file dsputil_alpha.c.

Referenced by ff_dsputil_init().

void ff_dsputil_init_arm	(	DSPContext *	c,
		AVCodecContext *	avctx
	)

Definition at line 59 of file dsputil_init_arm.c.

Referenced by ff_dsputil_init().

void ff_dsputil_init_bfin	(	DSPContext *	c,
		AVCodecContext *	avctx
	)

Definition at line 126 of file dsputil_bfin.c.

Referenced by ff_dsputil_init().

void ff_dsputil_init_ppc	(	DSPContext *	c,
		AVCodecContext *	avctx
	)

Definition at line 141 of file dsputil_ppc.c.

Referenced by ff_dsputil_init().

void ff_dsputil_init_sh4	(	DSPContext *	c,
		AVCodecContext *	avctx
	)

Definition at line 93 of file dsputil_sh4.c.

Referenced by ff_dsputil_init().

void ff_dsputil_init_vis	(	DSPContext *	c,
		AVCodecContext *	avctx
	)

Definition at line 26 of file dsputil_vis.c.

Referenced by ff_dsputil_init().

void ff_dsputil_init_x86	(	DSPContext *	c,
		AVCodecContext *	avctx
	)

Definition at line 653 of file dsputil_init.c.

Referenced by ff_dsputil_init().

void ff_dsputil_init_dwt

(

DSPContext *

c

)

Definition at line 847 of file snow_dwt.c.

Referenced by ff_dsputil_init().

Variable Documentation

const uint8_t ff_alternate_horizontal_scan[64]

Definition at line 72 of file dsputil.c.

Referenced by decode_vop_header(), and ff_dct_common_init().

const uint8_t ff_alternate_vertical_scan[64]

Definition at line 83 of file dsputil.c.

Referenced by decode_vop_header(), ff_dct_common_init(), and mpeg_decode_picture_coding_extension().

const uint8_t ff_zigzag_direct[64]

Definition at line 115 of file mathtables.c.

Referenced by decode_dct(), decode_gop_header(), decode_i_block(), decode_init(), decode_scaling_list(), decode_vol_header(), decode_vop_header(), dnxhd_init_qmat(), dnxhd_init_vlc(), dv_init_enc_block(), encode_picture(), ff_cavs_init(), ff_dct_common_init(), ff_dct_encode_init_x86(), ff_dvvideo_init(), ff_mjpeg_decode_init(), ff_rtjpeg_decode_init(), ff_vp56_init_context(), ff_write_quant_matrix(), fic_decode_init(), fill_quantization_matrices(), fill_scaling_lists(), init_scan_tables(), jpg_decode_block(), jpg_init(), ljpeg_encode_init(), load_matrix(), mpeg_decode_picture_coding_extension(), mss4_decode_dct(), tgq_decode_init(), tqi_decode_init(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_start_frame(), and vp3_decode_init().

const uint8_t ff_zigzag248_direct[64]

Definition at line 61 of file dsputil.c.

Referenced by dv_init_enc_block(), and ff_dvvideo_init().

uint32_t ff_squareTbl[512]

Definition at line 46 of file dsputil.c.

Referenced by ff_dsputil_static_init(), pix_norm1(), pix_norm1_c(), sse(), sse16_c(), sse4_c(), and sse8_c().

const uint8_t ff_cropTbl[256+2 *MAX_NEG_CROP]

Definition at line 94 of file mathtables.c.