nalu.c File Reference

Decoder NALU support functions. More...

#include "global.h"
#include "annexb.h"
#include "nalu.h"
#include "memalloc.h"
#include "rtp.h"

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Functions
void	initBitsFile (ImageParameters *p_Img, int filemode)
static int	NALUtoRBSP (NALU_t *nalu)
int	read_next_nalu (ImageParameters *p_Img, NALU_t *nalu)
void	CheckZeroByteNonVCL (ImageParameters *p_Img, NALU_t *nalu)
void	CheckZeroByteVCL (ImageParameters *p_Img, NALU_t *nalu)

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Detailed Description

Decoder NALU support functions.

Author:

Main contributors (see contributors.h for copyright, address and affiliation details)

• Stephan Wenger <stewe@cs.tu-berlin.de>

Definition in file nalu.c.

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Function Documentation

void initBitsFile	(	ImageParameters *	p_Img,
		int	filemode
	)

Initialize bitstream reading structure.

Parameters:

	p_Img,:	Imageparameter information
	filemode,:

Definition at line 34 of file nalu.c.

References CloseAnnexBFile(), CloseRTPFile(), error(), GetAnnexbNALU(), GetRTPNALU(), no_mem_exit(), OpenAnnexBFile(), OpenRTPFile(), PAR_OF_ANNEXB, and PAR_OF_RTP.

Referenced by main().

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static int NALUtoRBSP

(

NALU_t *

nalu

)

[static]

Converts a NALU to an RBSP.

Parameters:

nalu,:

nalu structure to be filled

Returns:

length of the RBSP in bytes

Definition at line 75 of file nalu.c.

References nalu_t::buf, EBSPtoRBSP(), and nalu_t::len.

Referenced by read_next_nalu().

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int read_next_nalu	(	ImageParameters *	p_Img,
		NALU_t *	nalu
	)

Read the next NAL unit (with error handling).

Definition at line 90 of file nalu.c.

References error(), errortext, ET_SIZE, nalu_t::forbidden_bit, FreeNALU(), nalu_t::len, NALUtoRBSP(), and PAR_OF_ANNEXB.

Referenced by read_new_slice().

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