liveMedia/MPEG1or2Demux.cpp File Reference

#include "MPEG1or2Demux.hh"
#include "MPEG1or2DemuxedElementaryStream.hh"
#include "StreamParser.hh"
#include <stdlib.h>
#include <string.h>

Include dependency graph for MPEG1or2Demux.cpp:

Go to the source code of this file.

Data Structures
class	MPEGProgramStreamParser
class	MPEG1or2Demux::OutputDescriptor::SavedData
Defines
#define	RAW_PES   0xFC
#define	PACK_START_CODE   0x000001BA
#define	SYSTEM_HEADER_START_CODE   0x000001BB
#define	PACKET_START_CODE_PREFIX   0x00000100
#define	private_stream_1   0xBD
#define	private_stream_2   0xBF
#define	READER_NOT_READY   2
Enumerations
enum	MPEGParseState {   PARSING_PACK_HEADER, PARSING_SYSTEM_HEADER, PARSING_PES_PACKET, PARSING_VIDEO_SEQUENCE_HEADER,   PARSING_VIDEO_SEQUENCE_HEADER_SEEN_CODE, PARSING_GOP_HEADER, PARSING_GOP_HEADER_SEEN_CODE, PARSING_PICTURE_HEADER,   PARSING_SLICE, PARSING_VISUAL_OBJECT_SEQUENCE, PARSING_VISUAL_OBJECT_SEQUENCE_SEEN_CODE, PARSING_VISUAL_OBJECT,   PARSING_VIDEO_OBJECT_LAYER, PARSING_GROUP_OF_VIDEO_OBJECT_PLANE, PARSING_VIDEO_OBJECT_PLANE, PARSING_VISUAL_OBJECT_SEQUENCE_END_CODE }
Functions
static Boolean	isPacketStartCode (unsigned code)

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Define Documentation

#define PACK_START_CODE   0x000001BA

Definition at line 371 of file MPEG1or2Demux.cpp.

Referenced by MPEGProgramStreamParser::parsePackHeader().

#define PACKET_START_CODE_PREFIX   0x00000100

Definition at line 373 of file MPEG1or2Demux.cpp.

Referenced by isPacketStartCode().

#define private_stream_1   0xBD

Definition at line 498 of file MPEG1or2Demux.cpp.

Referenced by MPEGProgramStreamParser::isSpecialStreamId().

#define private_stream_2   0xBF

Definition at line 499 of file MPEG1or2Demux.cpp.

Referenced by MPEGProgramStreamParser::isSpecialStreamId().

#define RAW_PES   0xFC

Definition at line 147 of file MPEG1or2Demux.cpp.

Referenced by MPEGProgramStreamParser::isSpecialStreamId(), MPEG1or2Demux::newRawPESStream(), and MPEGProgramStreamParser::parsePESPacket().

#define READER_NOT_READY   2

Definition at line 520 of file MPEG1or2Demux.cpp.

Referenced by MPEGProgramStreamParser::parsePESPacket().

#define SYSTEM_HEADER_START_CODE   0x000001BB

Definition at line 372 of file MPEG1or2Demux.cpp.

Referenced by isPacketStartCode(), MPEGProgramStreamParser::parsePackHeader(), and MPEGProgramStreamParser::parseSystemHeader().

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Enumeration Type Documentation

enum MPEGParseState

Enumerator:

PARSING_PACK_HEADER
PARSING_SYSTEM_HEADER
PARSING_PES_PACKET
PARSING_VIDEO_SEQUENCE_HEADER
PARSING_VIDEO_SEQUENCE_HEADER_SEEN_CODE
PARSING_GOP_HEADER
PARSING_GOP_HEADER_SEEN_CODE
PARSING_PICTURE_HEADER
PARSING_SLICE
PARSING_VISUAL_OBJECT_SEQUENCE
PARSING_VISUAL_OBJECT_SEQUENCE_SEEN_CODE
PARSING_VISUAL_OBJECT
PARSING_VIDEO_OBJECT_LAYER
PARSING_GROUP_OF_VIDEO_OBJECT_PLANE
PARSING_VIDEO_OBJECT_PLANE
PARSING_VISUAL_OBJECT_SEQUENCE_END_CODE

Definition at line 29 of file MPEG1or2Demux.cpp.

                    {
  PARSING_PACK_HEADER,
  PARSING_SYSTEM_HEADER,
  PARSING_PES_PACKET
};

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Function Documentation

static Boolean isPacketStartCode

(

unsigned

code

)

[inline, static]

Definition at line 375 of file MPEG1or2Demux.cpp.

References PACKET_START_CODE_PREFIX, and SYSTEM_HEADER_START_CODE.

Referenced by MPEGProgramStreamParser::parsePackHeader(), and MPEGProgramStreamParser::parsePESPacket().

                                                       {
  return (code&0xFFFFFF00) == PACKET_START_CODE_PREFIX
    && code > SYSTEM_HEADER_START_CODE;
}

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