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-rw-r--r--mpeglib/lib/mpegplay/mpegSystemHeader.h484
1 files changed, 484 insertions, 0 deletions
diff --git a/mpeglib/lib/mpegplay/mpegSystemHeader.h b/mpeglib/lib/mpegplay/mpegSystemHeader.h
new file mode 100644
index 00000000..abad3794
--- /dev/null
+++ b/mpeglib/lib/mpegplay/mpegSystemHeader.h
@@ -0,0 +1,484 @@
+/*
+ stores info about system stream and sends data to audio/video
+ Copyright (C) 2000 Martin Vogt
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Library General Public License as published by
+ the Free Software Foundation.
+
+ For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+
+#ifndef __MPEGSYSTEMHEADER_H
+#define __MPEGSYSTEMHEADER_H
+
+
+
+#define _PACKET_SYSLAYER 1
+#define _PACKET_NO_SYSLAYER 0
+#define _PACKET_UNKNOWN_LAYER -1
+#define _PACKET_HEADER_SIZE 8
+
+
+// note: packetid 1 & 2 are normalized to _PAKET_ID_AUDIO
+// see packet.cpp
+
+#define _PAKET_ID_AUDIO_1 ((unsigned char) 0xc0)
+#define _PAKET_ID_AUDIO_2 ((unsigned char) 0xd0)
+#define _PAKET_ID_VIDEO ((unsigned char) 0xe0)
+#define _PAKET_ID_NUKE ((unsigned char) 0x0)
+
+#define _STD_SYSTEM_CLOCK_FREQ (unsigned long)90000
+#define _MUX_RATE_SCALE_FACTOR 50
+#define _MAX_STREAMS 8
+#define _NOT_PACKET_ID ((unsigned char) 0xff)
+#define _KILL_BUFFER ((unsigned char) 0xfe)
+
+
+
+#define _STD_AUDIO_STREAM_ID ((unsigned char) 0xb8)
+#define _STD_VIDEO_STREAM_ID ((unsigned char) 0xb9)
+#define _MIN_STREAM_ID_ID ((unsigned char) 0xbc)
+#define _RESERVED_STREAM_ID ((unsigned char) 0xbc)
+#define _PRIVATE_STREAM_1_ID ((unsigned char) 0xbd)
+#define _PADDING_STREAM_ID ((unsigned char) 0xbe)
+#define _PRIVATE_STREAM_2_ID ((unsigned char) 0xbf)
+#define _ECM_STREAM_ID ((unsigned char) 0xf0)
+#define _EMM_STREAM_ID ((unsigned char) 0xf1)
+#define _PROGRAM_STREAM_DIRECTORY_ID ((unsigned char) 0xff)
+#define _DSMCC_STREAM_ID ((unsigned char) 0xf2)
+#define _ITUTRECH222TYPEE_STREAM_ID ((unsigned char) 0xf8)
+#define _SUBSTREAM_AC3_ID ((unsigned char) 0x80)
+#define _SUBSTREAM_LPCM_ID ((unsigned char) 0xA0)
+#define _SUBSTREAM_SUBPIC_ID ((unsigned char) 0x20)
+
+
+/* Silly Constants.... */
+#define _PACK_START_CODE ((unsigned int)0x000001ba)
+#define _SYSTEM_HEADER_START_CODE ((unsigned int)0x000001bb)
+#define _PACKET_START_CODE_MASK ((unsigned int)0xffffff00)
+#define _PACKET_START_CODE_PREFIX ((unsigned int)0x00000100)
+#define _ISO_11172_END_CODE ((unsigned int)0x000001b9)
+
+#define _SEQ_START_CODE 0x000001b3
+
+
+// More constants for TS streams
+#define NULL_PID 8191
+#define INVALID_PID ((unsigned int)(-1))
+#define INVALID_PROGRAM ((unsigned int)(-1))
+#define INVALID_CC ((unsigned int)(-1))
+
+#define ISO_11172_VIDEO 1
+#define ISO_13818_VIDEO 2
+#define ISO_11172_AUDIO 3
+#define ISO_13818_AUDIO 4
+#define ISO_13818_PRIVATE 5
+#define ISO_13818_PES_PRIVATE 6
+#define ISO_13522_MHEG 7
+#define ISO_13818_DSMCC 8
+#define ISO_13818_TYPE_A 9
+#define ISO_13818_TYPE_B 10
+#define ISO_13818_TYPE_C 11
+#define ISO_13818_TYPE_D 12
+#define ISO_13818_TYPE_E 13
+#define ISO_13818_AUX 14
+
+
+struct MapPidStream_s {
+ // if this structure "is Valid" (association pid->tsType is ok)
+ int isValid;
+ // a not nearer defined int
+ unsigned int pid;
+ // the type for the pid defined in Transportstream
+ unsigned int tsType;
+ // runtime associated "fake" type for PS stream
+ unsigned int psType;
+ // outstanding bytes for PES packet
+ unsigned int pesPacketSize;
+};
+
+typedef MapPidStream_s MapPidStream;
+
+
+
+
+
+// More useful things
+
+#define FLOAT_0x10000 (double)((unsigned long)1 << 16)
+
+
+// MPEG2 PACK HEADER
+// SCRbase and SCRext
+// 32 .......................................0 9.........0
+// [PACK_START_CODE][01---1--][--------][-----1--][--------][-----1--][-------1
+
+#define ui64 unsigned long
+#define ui32 unsigned int
+#define i64 long
+#define i32 int
+
+#define MPEG1_CLK_REF (i64)90000
+#define MPEG2_CLK_REF (i64)27000000
+
+#define ZERO (i64)0
+#define GET_SCRBASE(buf) ( ((ui64)buf[4]&0xF8)>>3 | \
+ (ui64)buf[3]<<5 | \
+ ((ui64)buf[2]&0x03)<<13 | \
+ ((ui64)buf[2]&0xF8)<<12 | \
+ (ui64)buf[1]<<20 | \
+ ((ui64)buf[0]&0x03)<<28 | \
+ (ui64)buf[0]&0x38 <<27 )
+
+#define GET_SCREXT(buf) ( ((ui64)buf[5]&0xFE)>>1 | \
+ ((ui64)buf[4]&0x03)<<7 )
+
+// muxrate
+// 22 ......................0 stl
+// ... [--------][--------][------11][rrrrr---]
+#define GET_MPEG2MUXRATE(buf) ( (ui32)buf[6]<<14 | \
+ ((ui32)buf[7])<<6 | \
+ ((ui32)buf[8]&0x03)>>2) \
+
+#define GET_MPEG2STUFFING(buf) ((buf[9]&0x07))
+
+// MPEG1 PACK HEADER
+// SCR muxrate
+// 32........................................0 22......
+//[PACK_START_CODE][0010---1][--------][-------1][--------][-------1][1-------]
+#define GET_SCR(buf) ( ((ui64)buf[4]&0xFE) >>1 | \
+ ((ui64)buf[3]) <<7 | \
+ ((ui64)buf[2]&0xFE) <<14 | \
+ ((ui64)buf[1]) <<22 | \
+ ((ui64)buf[0]&0x0E) <<29 )
+
+#define GET_MPEG1_PTS(x) (GET_SCR(x)) //they follow the same pattern
+
+#define GET_MPEG1_MUXRATE(x) ( ((ui32)x[7]&0xFE) >>1 | \
+ ((ui32)x[6]) <<7 | \
+ ((ui32)x[5]&0x7F) <<15 )
+
+#define GET_MPEG2_PTS_FLAGS(buf) ( ((ui8)buf[3]&0xC0)>>6 )
+// MPEG2 PES packet (optional parameters)
+// PTS
+// 32........................................0
+// [PACKET_START_CODE][001x---1][--------][-------1][--------][-------1]
+#define GET_MPEG2_PTS(buf) GET_MPEG1_PTS(buf)
+
+
+
+#include <stdio.h>
+
+
+class MpegSystemHeader {
+
+ int lPTSFlag;
+ double scrTimeStamp;
+ double ptsTimeStamp;
+ double dtsTimeStamp;
+
+ int layer;
+ unsigned int header;
+ int lHasPSHeader;
+
+ int lmpeg2;
+
+ int packetID;
+ int packetLen;
+
+ int pesPacketLen;
+ int tsPacketLen;
+
+ unsigned long rate;
+ int stdBufferScale;
+ unsigned long stdBufferSize;
+
+ /* This are bitmaps, if bit x is a 1 the stream number x is
+ available */
+ unsigned long availableAudioLayers;
+ unsigned long availableVideoLayers;
+
+ int audioLayerSelect;
+ int videoLayerSelect;
+
+ //
+ // MPEG2 Header Info [START]
+ //
+ int lOriginal;
+ int lCopyRight;
+ int lDataAlignmentIndicator;
+ int lPesPriority;
+ int lEncrypted;
+ int startCodePrefix;
+
+
+
+ int lPTSDTSFlag;
+ int lESCR;
+ int lESRateFlag;
+ int lDMSTRICKFLAG;
+ int lADDITIONAL_COPY_FLAG;
+ int lPES_CRC_FLAG;
+ int lPES_EXT_FLAG;
+ int nPES_HEADER_DATA_LENGTH;
+
+ // EXT FILED [START]
+
+ int lPrivateDataFlag;
+ int lPackHeaderFieldFlag;
+ int lSequenceCounterFlag;
+ int lSTDBufferFlag;
+ int lPES_EXT_FLAG_2;
+ int nPES_EXT_FIELD_LENGTH;
+ // EXT FILED [END]
+
+ int subStreamID;
+ //
+ // MPEG2 Header Info [END]
+ //
+
+ //
+ // Transport Stream Header [START]
+ //
+
+ int lHasTSHeader;
+
+ unsigned int sync_byte;
+ unsigned int transport_error_indicator;
+ unsigned int payload_unit_start_indicator;
+ unsigned int transport_priority;
+ unsigned int pid;
+ unsigned int transport_scrambling_control;
+ unsigned int adaption_field_control;
+ unsigned int continuity_counter;
+
+ unsigned int programs;
+ unsigned int programNumber;
+ unsigned int pmtPID;
+
+ MapPidStream** mapPidStreamArray;
+ int currentPos;
+
+ //
+ // Transport Stream Header [END]
+ //
+
+ public:
+ MpegSystemHeader();
+ ~MpegSystemHeader();
+
+ void setHeader(unsigned int header);
+ unsigned int getHeader();
+ int hasRAWHeader();
+
+
+ int getPTSFlag();
+ void setPTSFlag(int lPTSFlag);
+
+ double getSCRTimeStamp();
+ double getPTSTimeStamp();
+ double getDTSTimeStamp();
+
+
+ void setSCRTimeStamp(double timeStamp);
+ void setPTSTimeStamp(double ptsTimeStamp);
+ void setDTSTimeStamp(double dtsTimeStamp);
+
+ // returns 1 if it is a syslayer 0 if non syslayer -1 if unknown
+ int getLayer();
+ void setLayer(int layer);
+ int hasPSHeader();
+
+ //
+ // MPEG2 Stuff [START]
+ //
+
+ int getMPEG2();
+ void setMPEG2(int lmpeg2);
+
+ // 1 Byte [Start]
+ int getOriginalOrCopy();
+ void setOriginalOrCopy(int lOriginal);
+
+ int getCopyRight();
+ void setCopyRight(int lCopyRight);
+
+ int getDataAlignmentIndicator();
+ void setDataAlignmentIndicator(int lDataAlignmentIndicator);
+
+ int getPesPriority();
+ void setPesPriority(int lPesPriority);
+
+ int getEncrypted();
+ void setEncrypted(int lEncrypted);
+
+ int getStartCodePrefix();
+ void setStartCodePrefix(int startCodePrefix);
+
+ // 1. Byte [End]
+
+ int getPTSDTSFlag();
+ void setPTSDTSFlag(int lPTSDTSFlag);
+
+ int getESCRFlag();
+ void setESCRFlag(int lESCR);
+
+ int getES_RATE_Flag();
+ void setES_RATE_Flag(int lESRateFlag);
+
+
+ int getDMSTRICKFLAG();
+ void setDMSTRICKFLAG(int lDMSTRICKFLAG);
+
+ int getADDITIONAL_COPY_FLAG();
+ void setADDITIONAL_COPY_FLAG(int lADDITIONAL_COPY_FLAG);
+
+ int getPES_CRC_FLAG();
+ void setPES_CRC_FLAG(int lPES_CRC_FLAG);
+
+ int getPES_EXT_FLAG();
+ void setPES_EXT_FLAG(int lPES_EXT_FLAG);
+
+ //
+ // PES EXTENSION [START]
+ //
+
+ int getPrivateDataFlag();
+ void setPrivateDataFlag(int lPrivateDataFlag);
+
+ int getPackHeaderFieldFlag();
+ void setPackHeaderFieldFlag(int lPackHeaderFieldFlag);
+
+ int getSequenceCounterFlag();
+ void setSequenceCounterFlag(int lSequenceCounterFlag);
+
+ int getSTDBufferFlag();
+ void setSTDBufferFlag(int lSTDBufferFlag);
+
+ int getPES_EXT_FLAG_2();
+ void setPES_EXT_FLAG_2(int lPES_EXT_FLAG_2);
+
+ int getPES_EXT_FIELD_LENGTH();
+ void setPES_EXT_FIELD_LENGTH(int nPES_EXT_FIELD_LENGTH);
+
+
+
+ //
+ // PES EXTENSION [END]
+ //
+
+ int getPES_HEADER_DATA_LENGTH();
+ void setPES_HEADER_DATA_LENGTH(int nPES_HEADER_DATA_LENGTH);
+
+
+ int getSubStreamID();
+ void setSubStreamID(int subStreamID);
+
+
+ //
+ // MPEG2 Stuff [END]
+ //
+
+
+ //
+ // Transport Stream Header [START]
+ //
+
+ // returns true if it is ts header & sets the TS
+ // values in this class.
+ int hasTSHeader();
+
+
+ unsigned int getSync_byte();
+ unsigned int getTransport_error_indicator();
+ unsigned int getPayload_unit_start_indicator();
+ unsigned int getTransport_priority();
+ unsigned int getPid();
+ unsigned int getTransport_scrambling_control();
+ unsigned int getAdaption_field_control();
+ unsigned int getContinuity_counter();
+
+ unsigned int getPrograms();
+ void setPrograms(unsigned int programs);
+
+ unsigned int getProgramNumber();
+ void setProgramNumber(unsigned int programNumber);
+
+ unsigned int getPMTPID();
+ void setPMTPID(unsigned int pmtPID);
+
+ //
+ // manage different pids and their tsTypes and the fake psTypes
+ //
+
+ MapPidStream* lookup(unsigned int pid);
+ void insert(unsigned int pid,unsigned int tsType,
+ MpegSystemHeader* mpegHeader);
+
+
+ void printTSHeader();
+ void printProgramInfo();
+ void printMap(MapPidStream* mapPidStream);
+
+ //
+ // Transport Stream Header [END]
+ //
+
+
+
+ void addAvailableLayer(int streamID);
+ void resetAvailableLayers();
+
+ int getAudioLayerSelect();
+ void setAudioLayerSelect(int layer);
+
+ int getVideoLayerSelect();
+ void setVideoLayerSelect(int layer);
+
+
+ int getPacketID();
+ void setPacketID(int packetID);
+
+ // data which can be safley read and belongs to packetID
+ int getPacketLen();
+ void setPacketLen(int packetLen);
+
+ // length of PES packet (normally == getPacketLent)
+ int getPESPacketLen();
+ void setPESPacketLen(int packetLen);
+
+ // rest lenght of TS packet.
+ int getTSPacketLen();
+ void setTSPacketLen(int packetLen);
+
+
+
+ int getRate();
+ void setRate(int rate);
+
+ int getStdBufferScale();
+ void setStdBufferScale(int stdBufferScale);
+
+ unsigned long getStdBufferSize();
+ void setStdBufferSize(unsigned long stdBufferSize);
+
+ void print();
+
+ // return true is system header in some kind (TS or 1ba/1bb)
+ static int isSystemHeader(unsigned int header);
+
+ private:
+ void setTSHeader(unsigned int header);
+ void setPSHeader(unsigned int header);
+
+};
+
+#endif
+
+
+
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