exp golomb vlc stuff More...

#include <stdint.h>
#include "get_bits.h"
#include "put_bits.h"

Macros
#define	INVALID_VLC 0x80000000

Functions
static int	get_ue_golomb (GetBitContext *gb)
	Read an unsigned Exp-Golomb code in the range 0 to 8190. More...

static unsigned	get_ue_golomb_long (GetBitContext *gb)
	Read an unsigned Exp-Golomb code in the range 0 to UINT32_MAX-1. More...

static int	get_ue_golomb_31 (GetBitContext *gb)
	read unsigned exp golomb code, constraint to a max of 31. More...

static unsigned	get_interleaved_ue_golomb (GetBitContext *gb)

static int	get_te0_golomb (GetBitContext *gb, int range)
	read unsigned truncated exp golomb code. More...

static int	get_te_golomb (GetBitContext *gb, int range)
	read unsigned truncated exp golomb code. More...

static int	get_se_golomb (GetBitContext *gb)
	read signed exp golomb code. More...

static int	get_se_golomb_long (GetBitContext *gb)

static int	get_interleaved_se_golomb (GetBitContext *gb)

static int	dirac_get_se_golomb (GetBitContext *gb)

static int	get_ur_golomb (GetBitContext *gb, int k, int limit, int esc_len)
	read unsigned golomb rice code (ffv1). More...

static int	get_ur_golomb_jpegls (GetBitContext *gb, int k, int limit, int esc_len)
	read unsigned golomb rice code (jpegls). More...

static int	get_sr_golomb (GetBitContext *gb, int k, int limit, int esc_len)
	read signed golomb rice code (ffv1). More...

static int	get_sr_golomb_flac (GetBitContext *gb, int k, int limit, int esc_len)
	read signed golomb rice code (flac). More...

static unsigned int	get_ur_golomb_shorten (GetBitContext *gb, int k)
	read unsigned golomb rice code (shorten). More...

static int	get_sr_golomb_shorten (GetBitContext *gb, int k)
	read signed golomb rice code (shorten). More...

static void	set_ue_golomb (PutBitContext *pb, int i)
	write unsigned exp golomb code. More...

static void	set_ue_golomb_long (PutBitContext *pb, uint32_t i)
	write unsigned exp golomb code. More...

static void	set_te_golomb (PutBitContext *pb, int i, int range)
	write truncated unsigned exp golomb code. More...

static void	set_se_golomb (PutBitContext *pb, int i)
	write signed exp golomb code. More...

static void	set_ur_golomb (PutBitContext *pb, int i, int k, int limit, int esc_len)
	write unsigned golomb rice code (ffv1). More...

static void	set_ur_golomb_jpegls (PutBitContext *pb, int i, int k, int limit, int esc_len)
	write unsigned golomb rice code (jpegls). More...

static void	set_sr_golomb (PutBitContext *pb, int i, int k, int limit, int esc_len)
	write signed golomb rice code (ffv1). More...

static void	set_sr_golomb_flac (PutBitContext *pb, int i, int k, int limit, int esc_len)
	write signed golomb rice code (flac). More...

Variables
const uint8_t	ff_golomb_vlc_len [512]

const uint8_t	ff_ue_golomb_vlc_code [512]

const int8_t	ff_se_golomb_vlc_code [512]

const uint8_t	ff_ue_golomb_len [256]

const uint8_t	ff_interleaved_golomb_vlc_len [256]

const uint8_t	ff_interleaved_ue_golomb_vlc_code [256]

const int8_t	ff_interleaved_se_golomb_vlc_code [256]

const uint8_t	ff_interleaved_dirac_golomb_vlc_code [256]

Detailed Description

exp golomb vlc stuff

Author: Michael Niedermayer micha.nosp@m.elni.nosp@m.@gmx..nosp@m.at and Alex Beregszaszi

Definition in file golomb.h.

Macro Definition Documentation

◆ INVALID_VLC

#define INVALID_VLC 0x80000000

Definition at line 38 of file golomb.h.

Function Documentation

◆ get_ue_golomb()

static int get_ue_golomb ( GetBitContext * gb )

inlinestatic

Read an unsigned Exp-Golomb code in the range 0 to 8190.

Returns: the read value or a negative error code.

Definition at line 55 of file golomb.h.

Referenced by decode_macroblock(), decode_mb_i(), decode_pic(), decode_residual_inter(), extend_code(), ff_dovi_rpu_parse(), ff_h264_decode_mb_cavlc(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_h264_parse_ref_count(), ff_hevc_decode_nal_pps(), get_te0_golomb(), get_te_golomb(), get_ue_code(), h264_slice_header_parse(), hevc_parse_slice_header(), main(), mobiclip_decode(), parse_nal_units(), and scan_mmco_reset().

◆ get_ue_golomb_long()

static unsigned get_ue_golomb_long ( GetBitContext * gb )

inlinestatic

Read an unsigned Exp-Golomb code in the range 0 to UINT32_MAX-1.

Definition at line 106 of file golomb.h.

Referenced by decode_display_orientation(), decode_film_grain_characteristics(), decode_frame_packing_arrangement(), decode_hrd(), decode_hrd_parameters(), decode_lt_rps(), decode_nal_sei_active_parameter_sets(), decode_nal_sei_frame_packing_arrangement(), decode_recovery_point(), decode_sublayer_hrd(), decode_vui(), ff_dovi_rpu_parse(), ff_h264_decode_mb_cavlc(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_ref_pic_marking(), ff_hevc_decode_nal_pps(), ff_hevc_decode_nal_vps(), ff_hevc_decode_short_term_rps(), ff_hevc_parse_sps(), get_last_needed_nal(), get_se_golomb_long(), get_ue_coef(), h264_find_frame_end(), h264_probe(), h264_slice_header_parse(), hls_slice_header(), hvcc_parse_pps(), hvcc_parse_sps(), hvcc_parse_vui(), main(), mxf_parse_h264_frame(), parse_nal_units(), parse_rps(), pps_range_extensions(), pred_weight_table(), scaling_list_data(), scan_mmco_reset(), skip_hrd_parameters(), skip_scaling_list_data(), skip_sub_layer_hrd_parameters(), skip_sub_layer_ordering_info(), and skip_timing_info().

◆ get_ue_golomb_31()

static int get_ue_golomb_31 ( GetBitContext * gb )

inlinestatic

read unsigned exp golomb code, constraint to a max of 31.

If the value encountered is not in 0..31, the return value is outside the range 0..30.

Definition at line 122 of file golomb.h.

Referenced by add_pframe_coefficients(), decode_buffering_period(), decode_hrd_parameters(), decode_mb_i(), decode_vui_parameters(), ff_dovi_rpu_parse(), ff_h264_decode_mb_cavlc(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_ref_pic_list_reordering(), ff_h264_decode_ref_pic_marking(), ff_h264_decode_seq_parameter_set(), ff_h264_pred_weight_table(), get_last_needed_nal(), h264_slice_header_parse(), hevc_parse_slice_header(), mxf_parse_h264_frame(), parse_nal_units(), process_block(), and scan_mmco_reset().

◆ get_interleaved_ue_golomb()

static unsigned get_interleaved_ue_golomb ( GetBitContext * gb )

inlinestatic

Definition at line 145 of file golomb.h.

Referenced by decode_component(), dirac_get_se_golomb(), dirac_unpack_block_motion_data(), dirac_unpack_idwt_params(), dirac_unpack_prediction_parameters(), rv30_decode_intra_types(), rv30_decode_mb_info(), rv40_decode_mb_info(), send_picture(), svq3_decode_block(), svq3_decode_frame(), svq3_decode_init(), svq3_decode_mb(), and svq3_decode_slice_header().

◆ get_te0_golomb()

static int get_te0_golomb	(	GetBitContext *	gb,
		int	range
	)

inlinestatic

read unsigned truncated exp golomb code.

Definition at line 213 of file golomb.h.

◆ get_te_golomb()

static int get_te_golomb	(	GetBitContext *	gb,
		int	range
	)

inlinestatic

read unsigned truncated exp golomb code.

Definition at line 228 of file golomb.h.

◆ get_se_golomb()

static int get_se_golomb ( GetBitContext * gb )

inlinestatic

read signed exp golomb code.

Definition at line 241 of file golomb.h.

Referenced by decode_mb_i(), decode_pic(), decode_residual_inter(), decode_scaling_list(), ff_cavs_mv(), ff_h264_decode_mb_cavlc(), ff_h264_decode_picture_parameter_set(), ff_h264_pred_weight_table(), ff_hevc_decode_nal_pps(), fic_decode_block(), h264_slice_header_parse(), hls_slice_header(), main(), mobiclip_decode(), parse_nal_units(), pred_weight_table(), predict_intra(), predict_motion(), and scaling_list_data().

◆ get_se_golomb_long()

static int get_se_golomb_long ( GetBitContext * gb )

inlinestatic

Definition at line 296 of file golomb.h.

Referenced by decode_film_grain_characteristics(), ff_h264_decode_seq_parameter_set(), get_se_coef(), hvcc_parse_pps(), pps_range_extensions(), and skip_scaling_list_data().

◆ get_interleaved_se_golomb()

static int get_interleaved_se_golomb ( GetBitContext * gb )

inlinestatic

Definition at line 303 of file golomb.h.

Referenced by rv34_decode_mv(), svq3_decode_mb(), and svq3_mc_dir().

◆ dirac_get_se_golomb()

static int dirac_get_se_golomb ( GetBitContext * gb )

inlinestatic

Definition at line 361 of file golomb.h.

Referenced by codeblock(), coeff_unpack_golomb(), dirac_decode_picture_header(), and dirac_unpack_prediction_parameters().

◆ get_ur_golomb()

static int get_ur_golomb	(	GetBitContext *	gb,
		int	k,
		int	limit,
		int	esc_len
	)

inlinestatic

read unsigned golomb rice code (ffv1).

Definition at line 376 of file golomb.h.

Referenced by get_sr_golomb().

◆ get_ur_golomb_jpegls()

static int get_ur_golomb_jpegls	(	GetBitContext *	gb,
		int	k,
		int	limit,
		int	esc_len
	)

inlinestatic

read unsigned golomb rice code (jpegls).

Definition at line 430 of file golomb.h.

Referenced by get_sr_golomb_dst(), get_sr_golomb_flac(), get_sr_golomb_shorten(), get_ur_golomb_shorten(), loco_get_rice(), ls_get_code_regular(), and ls_get_code_runterm().

◆ get_sr_golomb()

static int get_sr_golomb	(	GetBitContext *	gb,
		int	k,
		int	limit,
		int	esc_len
	)

inlinestatic

read signed golomb rice code (ffv1).

Definition at line 531 of file golomb.h.

Referenced by get_vlc_symbol().

◆ get_sr_golomb_flac()

static int get_sr_golomb_flac	(	GetBitContext *	gb,
		int	k,
		int	limit,
		int	esc_len
	)

inlinestatic

read signed golomb rice code (flac).

Definition at line 541 of file golomb.h.

Referenced by decode_residuals().

◆ get_ur_golomb_shorten()

static unsigned int get_ur_golomb_shorten	(	GetBitContext *	gb,
		int	k
	)

inlinestatic

read unsigned golomb rice code (shorten).

Definition at line 551 of file golomb.h.

Referenced by decode_subframe_lpc(), get_uint(), read_header(), shn_probe(), and shorten_decode_frame().

◆ get_sr_golomb_shorten()

static int get_sr_golomb_shorten	(	GetBitContext *	gb,
		int	k
	)

inlinestatic

read signed golomb rice code (shorten).

Definition at line 559 of file golomb.h.

Referenced by decode_subframe_lpc().

◆ set_ue_golomb()

static void set_ue_golomb	(	PutBitContext *	pb,
		int	i
	)

inlinestatic

write unsigned exp golomb code.

2^16 - 2 at most

Definition at line 622 of file golomb.h.

Referenced by ff_hevc_encode_nal_vps(), main(), set_se_golomb(), and set_te_golomb().

◆ set_ue_golomb_long()

static void set_ue_golomb_long	(	PutBitContext *	pb,
		uint32_t	i
	)

inlinestatic

write unsigned exp golomb code.

2^32-2 at most.

Definition at line 638 of file golomb.h.

Referenced by main().

◆ set_te_golomb()

static void set_te_golomb	(	PutBitContext *	pb,
		int	i,
		int	range
	)

inlinestatic

write truncated unsigned exp golomb code.

Definition at line 653 of file golomb.h.

◆ set_se_golomb()

static void set_se_golomb	(	PutBitContext *	pb,
		int	i
	)

inlinestatic

write signed exp golomb code.

16 bits at most.

Definition at line 667 of file golomb.h.

Referenced by main().

◆ set_ur_golomb()

static void set_ur_golomb	(	PutBitContext *	pb,
		int	i,
		int	k,
		int	limit,
		int	esc_len
	)

inlinestatic

write unsigned golomb rice code (ffv1).

Definition at line 678 of file golomb.h.

Referenced by set_sr_golomb().

◆ set_ur_golomb_jpegls()

static void set_ur_golomb_jpegls	(	PutBitContext *	pb,
		int	i,
		int	k,
		int	limit,
		int	esc_len
	)

inlinestatic

write unsigned golomb rice code (jpegls).

Definition at line 695 of file golomb.h.

Referenced by ls_encode_regular(), ls_encode_runterm(), and set_sr_golomb_flac().

◆ set_sr_golomb()

static void set_sr_golomb	(	PutBitContext *	pb,
		int	i,
		int	k,
		int	limit,
		int	esc_len
	)

inlinestatic

write signed golomb rice code (ffv1).

Definition at line 724 of file golomb.h.

Referenced by put_vlc_symbol().

◆ set_sr_golomb_flac()

static void set_sr_golomb_flac	(	PutBitContext *	pb,
		int	i,
		int	k,
		int	limit,
		int	esc_len
	)

inlinestatic

write signed golomb rice code (flac).

Definition at line 738 of file golomb.h.

Referenced by write_subframes().

Variable Documentation

◆ ff_golomb_vlc_len

const uint8_t ff_golomb_vlc_len[512]

Definition at line 31 of file golomb.c.

Referenced by get_se_golomb(), get_ue_golomb(), and get_ue_golomb_31().

◆ ff_ue_golomb_vlc_code

const uint8_t ff_ue_golomb_vlc_code[512]

Definition at line 50 of file golomb.c.

Referenced by get_ue_golomb(), and get_ue_golomb_31().

◆ ff_se_golomb_vlc_code

const int8_t ff_se_golomb_vlc_code[512]

Definition at line 69 of file golomb.c.

Referenced by get_se_golomb().

◆ ff_ue_golomb_len

const uint8_t ff_ue_golomb_len[256]

Definition at line 89 of file golomb.c.

Referenced by set_ue_golomb(), and set_ue_golomb_long().

◆ ff_interleaved_golomb_vlc_len

const uint8_t ff_interleaved_golomb_vlc_len[256]

Definition at line 100 of file golomb.c.

Referenced by get_interleaved_se_golomb(), and get_interleaved_ue_golomb().

◆ ff_interleaved_ue_golomb_vlc_code

const uint8_t ff_interleaved_ue_golomb_vlc_code[256]

Definition at line 119 of file golomb.c.

Referenced by get_interleaved_ue_golomb().

◆ ff_interleaved_se_golomb_vlc_code

const int8_t ff_interleaved_se_golomb_vlc_code[256]

Definition at line 138 of file golomb.c.

Referenced by get_interleaved_se_golomb().

◆ ff_interleaved_dirac_golomb_vlc_code

const uint8_t ff_interleaved_dirac_golomb_vlc_code[256]

Definition at line 157 of file golomb.c.

Referenced by get_interleaved_ue_golomb().

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ INVALID_VLC

Function Documentation

◆ get_ue_golomb()

◆ get_ue_golomb_long()

◆ get_ue_golomb_31()

◆ get_interleaved_ue_golomb()

◆ get_te0_golomb()

◆ get_te_golomb()

◆ get_se_golomb()

◆ get_se_golomb_long()

◆ get_interleaved_se_golomb()

◆ dirac_get_se_golomb()

◆ get_ur_golomb()

◆ get_ur_golomb_jpegls()

◆ get_sr_golomb()

◆ get_sr_golomb_flac()

◆ get_ur_golomb_shorten()

◆ get_sr_golomb_shorten()

◆ set_ue_golomb()

◆ set_ue_golomb_long()

◆ set_te_golomb()

◆ set_se_golomb()

◆ set_ur_golomb()

◆ set_ur_golomb_jpegls()

◆ set_sr_golomb()

◆ set_sr_golomb_flac()

Variable Documentation

◆ ff_golomb_vlc_len

◆ ff_ue_golomb_vlc_code

◆ ff_se_golomb_vlc_code

◆ ff_ue_golomb_len

◆ ff_interleaved_golomb_vlc_len

◆ ff_interleaved_ue_golomb_vlc_code

◆ ff_interleaved_se_golomb_vlc_code

◆ ff_interleaved_dirac_golomb_vlc_code