h264parser.cpp File Reference

H264 parser class. More...

#include <cassert>
#include <libavcodec/avcodec.h>
#include "h264parser.h"
#include "logger.h"
#include "misc.h"

Go to the source code of this file.

Functions
static void	PrintStreamData (const uint8_t *data, int size)
	Print raw stream data.
bool	isValidStartCode (const uint8_t *data, int offset)
	Returns true, if we have a 0x000001 start code in data at the offset position.
static int	NalUnitType (const uint8_t *data, int i)
	Return the nal unit type.

Detailed Description

H264 parser class.

This file defines cH264Parser which is used to parse width and height from a H264 stream.

Copyright

(c) 2018 - 2019 by zille. All Rights Reserved.

(c) 2025 by Andreas Baierl. All Rights Reserved.

License

AGPLv3

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

Definition in file h264parser.cpp.

Function Documentation

isValidStartCode()

bool isValidStartCode	(	const uint8_t *	data,
		int	offset
	)

Returns true, if we have a 0x000001 start code in data at the offset position.

Definition at line 59 of file h264parser.cpp.

References ReadBytes().

Referenced by cH264Parser::cH264Parser().

NalUnitType()

static int NalUnitType ( const uint8_t *  data, int  i  )

static

Return the nal unit type.

Definition at line 67 of file h264parser.cpp.

Referenced by cH264Parser::cH264Parser().

PrintStreamData()

static void PrintStreamData ( const uint8_t *  data, int  size  )

static

Print raw stream data.

Parameters

data	pointer to stream data
size	data size

Definition at line 44 of file h264parser.cpp.

References LOGDEBUG.

Referenced by cH264Parser::cH264Parser(), and cSoftHdDevice::PlayVideoInternal().