jpegls.h File Reference

JPEG-LS common code. More...

#include <limits.h>
#include "libavutil/common.h"

Go to the source code of this file.

Data Structures
struct	JLSState

Macros
#define	R(a, i)
#define	W(a, i, v)

Functions
void	ff_jpegls_init_state (JLSState *state)
	Calculate initial JPEG-LS parameters.
static int	ff_jpegls_quantize (JLSState *s, int v)
	Calculate quantized gradient value, used for context determination.
void	ff_jpegls_reset_coding_parameters (JLSState *s, int reset_all)
	Calculate JPEG-LS codec values.
static void	ff_jpegls_downscale_state (JLSState *state, int Q)
static int	ff_jpegls_update_state_regular (JLSState *state, int Q, int err)

Detailed Description

JPEG-LS common code.

Definition in file jpegls.h.

Macro Definition Documentation

R

#define R	(		a,
			i )

Value:

(bits == 8 ?  ((uint8_t *)(a))[i]      :  ((uint16_t *)(a))[i])

Definition at line 118 of file jpegls.h.

W

#define W	(		a,
			i,
			v )

Value:

(bits == 8 ? (((uint8_t *)(a))[i] = v) : (((uint16_t *)(a))[i] = v))

Definition at line 119 of file jpegls.h.

Referenced by addroi_config_input(), addroi_filter_frame(), check_multiply3x3(), check_rgb2yuv(), check_yuv2rgb(), check_yuv2yuv(), checkasm_check_gmc(), convert_serial2parallel(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_FUNC(), DECL_READ(), DECL_READ(), DECL_READ(), DECL_READ(), DECL_WRITE(), DECL_WRITE(), epic_decode_component_pred(), epic_decode_from_cache(), epic_decode_pixel_pred(), epic_decode_run_length(), evolve(), ff_sbr_qmf_post_shuffle_neon(), ff_sbr_qmf_post_shuffle_sse(), fill_rgb2yuv_table(), filter_color(), filter_color2(), filter_mono(), get_coeffs(), init_demo(), ls_decode_line(), ls_encode_line(), qrencode_config_input(), qrencodesrc_config_props(), sbr_lf_gen(), sbr_qmf_analysis(), sbr_qmf_post_shuffle_c(), sbr_qmf_post_shuffle_c(), and test_qmf_post_shuffle().

Function Documentation

ff_jpegls_init_state()

void ff_jpegls_init_state

(

JLSState *

state

)

Calculate initial JPEG-LS parameters.

Definition at line 34 of file jpegls.c.

Referenced by encode_picture_ls(), and ff_jpegls_decode_picture().

ff_jpegls_quantize()

static int ff_jpegls_quantize ( JLSState * s, int v )

inlinestatic

Calculate quantized gradient value, used for context determination.

Definition at line 52 of file jpegls.h.

Referenced by ls_decode_line(), and ls_encode_line().

ff_jpegls_reset_coding_parameters()

void ff_jpegls_reset_coding_parameters	(	JLSState *	s,
		int	reset_all )

Calculate JPEG-LS codec values.

Definition at line 69 of file jpegls.c.

Referenced by encode_picture_ls(), ff_jpegls_decode_picture(), and ls_store_lse().

ff_jpegls_downscale_state()

static void ff_jpegls_downscale_state ( JLSState * state, int Q )

inlinestatic

Definition at line 84 of file jpegls.h.

Referenced by ff_jpegls_update_state_regular(), ls_encode_runterm(), and ls_get_code_runterm().

ff_jpegls_update_state_regular()

static int ff_jpegls_update_state_regular ( JLSState * state, int Q, int err )

inlinestatic

Definition at line 94 of file jpegls.h.

Referenced by ls_encode_regular(), and ls_get_code_regular().