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-rw-r--r--libdvbmpeg/cpptools.cc946
1 files changed, 0 insertions, 946 deletions
diff --git a/libdvbmpeg/cpptools.cc b/libdvbmpeg/cpptools.cc
deleted file mode 100644
index 91808cc..0000000
--- a/libdvbmpeg/cpptools.cc
+++ /dev/null
@@ -1,946 +0,0 @@
-/*
- * dvb-mpegtools for the Siemens Fujitsu DVB PCI card
- *
- * Copyright (C) 2000, 2001 Marcus Metzler
- * for convergence integrated media GmbH
- * Copyright (C) 2002 Marcus Metzler
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
-
- * 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 General Public License for more details.
- *
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
- *
-
- * The author can be reached at mocm@metzlerbros.de
- */
-
-#include "cpptools.hh"
-
-#define HEX(N) "0x" << hex << setw(2) << setfill('0') \
-<< int(N) << " " << dec
-#define HHEX(N,M) "0x" << hex << setw(M) << setfill('0') \
-<< int(N) << " " << dec
-#define LHEX(N,M) "0x" << hex << setw(M) << setfill('0') \
-<< long(N) << " " << dec
-
-#define MAX_SEARCH 1024 * 1024
-
-ostream & operator << (ostream & stream, PES_Packet & x){
-
- if (x.info){
- cerr << "PES Packet: " ;
- switch ( x.p.stream_id ) {
-
- case PROG_STREAM_MAP:
- cerr << "Program Stream Map";
- break;
- case PRIVATE_STREAM2:
- cerr << "Private Stream 2";
- break;
- case PROG_STREAM_DIR:
- cerr << "Program Stream Directory";
- break;
- case ECM_STREAM :
- cerr << "ECM Stream";
- break;
- case EMM_STREAM :
- cerr << "EMM Stream";
- break;
- case PADDING_STREAM :
- cerr << "Padding Stream";
- break;
- case DSM_CC_STREAM :
- cerr << "DSM Stream";
- break;
- case ISO13522_STREAM:
- cerr << "ISO13522 Stream";
- break;
- case PRIVATE_STREAM1:
- cerr << "Private Stream 1";
- break;
- case AUDIO_STREAM_S ... AUDIO_STREAM_E:
- cerr << "Audio Stream " << HEX(x.p.stream_id);
- break;
- case VIDEO_STREAM_S ... VIDEO_STREAM_E:
- cerr << "Video Stream " << HEX(x.p.stream_id);
- break;
-
- }
- cerr << " MPEG" << x.p.mpeg << endl;
- if ( x.p.mpeg == 2 ){
- cerr << " FLAGS: ";
-
- if (x.p.flags1 & SCRAMBLE_FLAGS){
- cerr << " SCRAMBLE(";
- cerr << ((x.p.flags1 & SCRAMBLE_FLAGS)>>4);
- cerr << ")";
- }
- if (x.p.flags1 & PRIORITY_FLAG)
- cerr << " PRIORITY";
- if (x.p.flags1 & DATA_ALIGN_FLAG)
- cerr << " DATA_ALIGN";
- if (x.p.flags1 & COPYRIGHT_FLAG)
- cerr << " COPYRIGHT";
- if (x.p.flags1 & ORIGINAL_FLAG)
- cerr << " ORIGINAL";
-
- if (x.p.flags2 & PTS_DTS_FLAGS){
- cerr << " PTS_DTS(";
- cerr << ((x.p.flags2 & PTS_DTS_FLAGS)>>6);
- cerr << ")";
- }
- if (x.p.flags2 & ESCR_FLAG)
- cerr << " ESCR";
- if (x.p.flags2 & ES_RATE_FLAG)
- cerr << " ES_RATE";
- if (x.p.flags2 & DSM_TRICK_FLAG)
- cerr << " DSM_TRICK";
- if (x.p.flags2 & ADD_CPY_FLAG)
- cerr << " ADD_CPY";
- if (x.p.flags2 & PES_CRC_FLAG)
- cerr << " CRC";
- if (x.p.flags2 & PES_EXT_FLAG)
- cerr << " EXT";
-
- cerr << endl;
-
- if ((x.p.flags2 & PTS_DTS_FLAGS) == PTS_ONLY)
- cerr << " PTS: "
- << LHEX(ntohl(x.WPTS()),8)
- << "(h" << int(x.high_pts()) << ")"
- << endl;
- else if ((x.p.flags2 & PTS_DTS_FLAGS) == PTS_DTS){
- cerr << " PTS: "
- << LHEX(ntohl(x.WPTS()),8)
- << "(h" << int(x.high_pts()) << ")";
- cerr << " DTS: "
- << LHEX(ntohl(x.WDTS()),8)
- << "(h" << int(x.high_dts()) << ")"
- << endl;
- }
-/*
- if (x.p.flags2 & ESCR_FLAG)
-
-
- if (x.p.flags2 & ES_RATE_FLAG)
-
-
- if (x.p.flags2 & DSM_TRICK_FLAG)
-
-
- if (x.p.flags2 & ADD_CPY_FLAG)
-
-
- if (x.p.flags2 & PES_CRC_FLAG)
-
-
- if (x.p.flags2 & PES_EXT_FLAG){
-
- if (x.p.priv_flags & PRIVATE_DATA)
- stream.write(x.p.pes_priv_data,16);
-
- if (x.p.priv_flags & HEADER_FIELD){
- stream.write(&x.p.pack_field_length,1);
- x.p.pack_header = new
- uint8_t[x.p.pack_field_length];
- stream.write(x.p.pack_header,
- x.p.pack_field_length);
- }
-
- if ( x.p.priv_flags & PACK_SEQ_CTR){
- stream.write(&x.p.pck_sqnc_cntr,1);
- stream.write(&x.p.org_stuff_length,1);
- }
-
- if ( x.p.priv_flags & P_STD_BUFFER)
- stream.write(x.p.p_std,2);
-
- if ( x.p.priv_flags & PES_EXT_FLAG2){
- stream.write(&x.p.pes_ext_lngth,1);
- x.p.pes_ext = new
- uint8_t[x.p.pes_ext_lngth];
- stream.write(x.p.pes_ext,
- x.p.pes_ext_lngth);
- }
- }
- } else {
- if ((x.p.flags2 & PTS_DTS_FLAGS) == PTS_ONLY)
- stream.write(x.p.pts,5);
- else if ((x.p.flags2 & PTS_DTS_FLAGS) ==
- PTS_DTS){
- stream.write(x.p.pts,5);
- stream.write(x.p.dts,5);
- }
-*/
- }
- cerr << endl << endl;
- return stream;
- }
-
- int l = x.p.length+x.p.pes_hlength+9;
- uint8_t buf[l];
- int length = cwrite_pes(buf,&(x.p),l);
- stream.write((char *)buf,length);
-
- return stream;
-}
-
-static unsigned int find_length(istream & stream){
- streampos p = 0;
- streampos start = 0;
- streampos q = 0;
- int found = 0;
- uint8_t sync4[4];
-
- start = stream.tellg();
- start -=2;
- stream.seekg(start);
- while ( !stream.eof() && !found ){
- p = stream.tellg();
- stream.read((char *)&sync4,4);
- if (sync4[0] == 0x00 && sync4[1] == 0x00 && sync4[2] == 0x01) {
- switch ( sync4[3] ) {
-
- case PROG_STREAM_MAP:
- case PRIVATE_STREAM2:
- case PROG_STREAM_DIR:
- case ECM_STREAM :
- case EMM_STREAM :
- case PADDING_STREAM :
- case DSM_CC_STREAM :
- case ISO13522_STREAM:
- case PRIVATE_STREAM1:
- case AUDIO_STREAM_S ... AUDIO_STREAM_E:
- case VIDEO_STREAM_S ... VIDEO_STREAM_E:
- found = 1;
- break;
- default:
- q = stream.tellg();
- break;
- }
- }
- }
- q = stream.tellg();
- stream.seekg(streampos(2)+start);
- if (found) return (unsigned int)(q-start)-4-2;
- else return (unsigned int)(q-start)-2;
-
-}
-
-istream & operator >> (istream & stream, PES_Packet & x){
-
- uint8_t sync4[4];
- int found=0;
- int done=0;
- streampos p = 0;
-
- while (!stream.eof() && !found) {
- p = stream.tellg();
- stream.read((char *)&sync4,4);
- if (sync4[0] == 0x00 && sync4[1] == 0x00 && sync4[2] == 0x01) {
- x.p.stream_id = sync4[3];
-
- switch ( sync4[3] ) {
-
- case PROG_STREAM_MAP:
- case PRIVATE_STREAM2:
- case PROG_STREAM_DIR:
- case ECM_STREAM :
- case EMM_STREAM :
- found = 1;
- stream.read((char *)x.p.llength,2);
- x.setlength();
- if (!x.p.length){
- x.p.length = find_length(stream);
- x.Nlength();
- }
- stream.read((char *)x.p.pes_pckt_data,x.p.length);
- done = 1;
- break;
- case PADDING_STREAM :
- found = 1;
- stream.read((char *)x.p.llength,2);
- x.setlength();
- if (!x.p.length){
- x.p.length = find_length(stream);
- x.Nlength();
- }
- x.p.padding = x.p.length;
- stream.read((char *)x.p.pes_pckt_data,x.p.length);
- done = 1;
- break;
-
- case DSM_CC_STREAM :
- case ISO13522_STREAM:
- case PRIVATE_STREAM1:
- case AUDIO_STREAM_S ... AUDIO_STREAM_E:
- case VIDEO_STREAM_S ... VIDEO_STREAM_E:
- stream.read((char *)x.p.llength,2);
- x.setlength();
- if (!x.p.length){
- x.p.length = find_length(stream);
- x.Nlength();
- }
- found = 1;
- break;
-
- default:
- stream.seekg(p+streampos(1));
- break;
- }
- } else stream.seekg(p+streampos(1));
- }
-
- if ( found && !done) {
- p = stream.tellg();
- stream.read((char *)&x.p.flags1,1);
- if ( (x.p.flags1 & 0xC0) == 0x80 )
- x.p.mpeg = 2;
- else
- x.p.mpeg = 1;
- if ( x.p.mpeg == 2 ){
- stream.read((char *)&x.p.flags2,1);
- stream.read((char *)&x.p.pes_hlength,1);
-
- if ((int)x.p.length > x.p.pes_hlength+3)
- x.p.length -=x.p.pes_hlength+3;
- else
- return stream;
-
- uint8_t count = x.p.pes_hlength;
-
- if ((x.p.flags2 & PTS_DTS_FLAGS) == PTS_ONLY){
- stream.read((char *)x.p.pts,5);
- count -=5;
- } else
- if ((x.p.flags2 & PTS_DTS_FLAGS) == PTS_DTS){
- stream.read((char *)x.p.pts,5);
- stream.read((char *)x.p.dts,5);
- count -= 10;
- }
-
- if (x.p.flags2 & ESCR_FLAG){
- stream.read((char *)x.p.escr,6);
- count -= 6;
- }
-
- if (x.p.flags2 & ES_RATE_FLAG){
- stream.read((char *)x.p.es_rate,3);
- count -= 6;
- }
-
- if (x.p.flags2 & DSM_TRICK_FLAG){
- stream.read((char *)&x.p.trick,1);
- count -= 1;
- }
-
- if (x.p.flags2 & ADD_CPY_FLAG){
- stream.read((char *)&x.p.add_cpy,1);
- count -= 1;
- }
-
- if (x.p.flags2 & PES_CRC_FLAG){
- stream.read((char *)x.p.prev_pes_crc,2);
- count -= 2;
- }
-
- if (x.p.flags2 & PES_EXT_FLAG){
- stream.read((char *)&x.p.priv_flags,1);
- count -= 1;
-
- if (x.p.priv_flags & PRIVATE_DATA){
- stream.read((char *)x.p.pes_priv_data,16);
- count -= 16;
- }
-
- if (x.p.priv_flags & HEADER_FIELD){
- stream.read((char *)&x.p.pack_field_length,1);
- x.p.pack_header = new
- uint8_t[x.p.pack_field_length];
- stream.read((char *)x.p.pack_header,
- x.p.pack_field_length);
- count -= 1+x.p.pack_field_length;
- }
-
- if ( x.p.priv_flags & PACK_SEQ_CTR){
- stream.read((char *)&x.p.pck_sqnc_cntr,1);
- stream.read((char *)&x.p.org_stuff_length,1);
- count -= 2;
- }
-
- if ( x.p.priv_flags & P_STD_BUFFER){
- stream.read((char *)x.p.p_std,2);
- count -= 2;
- }
-
- if ( x.p.priv_flags & PES_EXT_FLAG2){
- stream.read((char *)&x.p.pes_ext_lngth,1);
- x.p.pes_ext = new
- uint8_t[x.p.pes_ext_lngth];
- stream.read((char *)x.p.pes_ext,
- x.p.pes_ext_lngth);
- count -= 1+x.p.pes_ext_lngth;
- }
- }
- x.p.stuffing = count;
- uint8_t dummy;
- for(int i = 0; i< count ;i++)
- stream.read((char *)&dummy,1);
-
- } else {
- uint8_t check;
- x.p.mpeg1_pad = 1;
- check = x.p.flags1;
- while (check == 0xFF){
- stream.read((char *)&check,1);
- x.p.mpeg1_pad++;
- }
-
- if ( (check & 0xC0) == 0x40){
- stream.read((char *)&check,1);
- x.p.mpeg1_pad++;
- stream.read((char *)&check,1);
- x.p.mpeg1_pad++;
- }
- x.p.flags2 = 0;
- x.p.length -= x.p.mpeg1_pad;
-
- stream.seekg(p);
- if ( (check & 0x30)){
- x.p.length ++;
- x.p.mpeg1_pad --;
-
- if (check == x.p.flags1){
- x.p.pes_hlength = 0;
- } else {
- x.p.mpeg1_headr =
- new uint8_t[x.p.mpeg1_pad];
- x.p.pes_hlength = x.p.mpeg1_pad;
- stream.read((char *)x.p.mpeg1_headr,
- x.p.mpeg1_pad);
- }
-
- x.p.flags2 = (check & 0xF0) << 2;
- if ((x.p.flags2 & PTS_DTS_FLAGS) == PTS_ONLY){
- stream.read((char *)x.p.pts,5);
- x.p.length -= 5;
- x.p.pes_hlength += 5;
- }
- else if ((x.p.flags2 & PTS_DTS_FLAGS) ==
- PTS_DTS){
- stream.read((char *)x.p.pts,5);
- stream.read((char *)x.p.dts,5);
- x.p.length -= 10;
- x.p.pes_hlength += 10;
- }
- } else {
- x.p.mpeg1_headr = new uint8_t[x.p.mpeg1_pad];
- x.p.pes_hlength = x.p.mpeg1_pad;
- stream.read((char *)x.p.mpeg1_headr,x.p.mpeg1_pad);
- }
- }
- stream.read((char *)x.p.pes_pckt_data,x.p.length);
- }
- return stream;
-}
-
-ostream & operator << (ostream & stream, TS_Packet & x){
-
- uint8_t buf[TS_SIZE];
- int length = cwrite_ts(buf,&(x.p),TS_SIZE);
- stream.write((char *)buf,length);
-
- return stream;
-}
-
-istream & operator >> (istream & stream, TS_Packet & x){
- uint8_t sync;
- int found=0;
- streampos p,q;
-
- sync=0;
- while (!stream.eof() && !found) {
- stream.read((char *)&sync,1);
- if (sync == 0x47)
- found = 1;
- }
- stream.read((char *)x.p.pid,2);
- stream.read((char *)&x.p.flags,1);
- x.p.count = x.p.flags & COUNT_MASK;
-
- if (!(x.p.flags & ADAPT_FIELD) && (x.p.flags & PAYLOAD)){
- //no adapt. field only payload
- stream.read((char *)x.p.data,184);
- x.p.rest = 184;
- return stream;
- }
-
- if ( x.p.flags & ADAPT_FIELD ) {
- // adaption field
- stream.read((char *)&x.p.adapt_length,1);
- if (x.p.adapt_length){
- p = stream.tellg();
- stream.read((char *)&x.p.adapt_flags,1);
-
- if ( x.p.adapt_flags & PCR_FLAG )
- stream.read((char *) x.p.pcr,6);
-
- if ( x.p.adapt_flags & OPCR_FLAG )
- stream.read((char *) x.p.opcr,6);
-
- if ( x.p.adapt_flags & SPLICE_FLAG )
- stream.read((char *) &x.p.splice_count,1);
-
- if( x.p.adapt_flags & TRANS_PRIV){
- stream.read((char *)&x.p.priv_dat_len,1);
- x.p.priv_dat = new uint8_t[x.p.priv_dat_len];
- stream.read((char *)x.p.priv_dat,x.p.priv_dat_len);
- }
-
- if( x.p.adapt_flags & ADAP_EXT_FLAG){
- stream.read((char *)&x.p.adapt_ext_len,1);
- stream.read((char *)&x.p.adapt_eflags,1);
- if( x.p.adapt_eflags & LTW_FLAG)
- stream.read((char *)x.p.ltw,2);
-
- if( x.p.adapt_eflags & PIECE_RATE)
- stream.read((char *)x.p.piece_rate,3);
-
- if( x.p.adapt_eflags & SEAM_SPLICE)
- stream.read((char *)x.p.dts,5);
- }
- q = stream.tellg();
- x.p.stuffing = x.p.adapt_length -(q-p);
- x.p.rest = 183-x.p.adapt_length;
- stream.seekg(q+streampos(x.p.stuffing));
- if (x.p.flags & PAYLOAD) // payload
- stream.read((char *)x.p.data,x.p.rest);
- else
- stream.seekg(q+streampos(x.p.rest));
- } else {
- x.p.rest = 182;
- stream.read((char *)x.p.data, 183);
- return stream;
- }
-
- }
- return stream;
-}
-
-
-ostream & operator << (ostream & stream, PS_Packet & x){
-
- uint8_t buf[PS_MAX];
- int length = cwrite_ps(buf,&(x.p),PS_MAX);
- stream.write((char *)buf,length);
-
- return stream;
-}
-
-istream & operator >> (istream & stream, PS_Packet & x){
- uint8_t headr[4];
- int found=0;
- streampos p = 0;
- streampos q = 0;
- int count = 0;
-
- p = stream.tellg();
- while (!stream.eof() && !found && count < MAX_SEARCH) {
- stream.read((char *)&headr,4);
- if (headr[0] == 0x00 && headr[1] == 0x00 && headr[2] == 0x01)
- if ( headr[3] == 0xBA )
- found = 1;
- else if ( headr[3] == 0xB9 ) break;
- else stream.seekg(p+streampos(1));
- count++;
- }
-
- if (found){
- stream.read((char *)x.p.scr,6);
- if (x.p.scr[0] & 0x40)
- x.p.mpeg = 2;
- else
- x.p.mpeg = 1;
-
- if (x.p.mpeg == 2){
- stream.read((char *)x.p.mux_rate,3);
- stream.read((char *)&x.p.stuff_length,1);
- p = stream.tellg();
- stream.seekg(p+streampos(x.p.stuff_length & 3));
- } else {
- x.p.mux_rate[0] = x.p.scr[5]; //mpeg1 scr is only 5 bytes
- stream.read((char *)x.p.mux_rate+1,2);
- }
-
- p=stream.tellg();
- stream.read((char *)headr,4);
- if (headr[0] == 0x00 && headr[1] == 0x00 &&
- headr[2] == 0x01 && headr[3] == 0xBB ) {
- stream.read((char *)x.p.sheader_llength,2);
- x.setlength();
- if (x.p.mpeg == 2){
- stream.read((char *)x.p.rate_bound,3);
- stream.read((char *)&x.p.audio_bound,1);
- stream.read((char *)&x.p.video_bound,1);
- stream.read((char *)&x.p.reserved,1);
- }
- stream.read((char *)x.p.data,x.p.sheader_length);
- } else {
- stream.seekg(p);
- x.p.sheader_length = 0;
- }
-
- int i = 0;
- int done = 0;
- q = stream.tellg();
- PES_Packet pes;
- do {
- p=stream.tellg();
- stream.read((char *)headr,4);
- stream.seekg(p);
- if ( headr[0] == 0x00 && headr[1] == 0x00
- && headr[2] == 0x01 && headr[3] != 0xBA){
- pes.init();
- stream >> pes;
- i++;
- } else done = 1;
- } while (!stream.eof() && !done);
- x.p.npes = i;
- stream.seekg(q);
- }
- return stream;
-}
-
-void extract_audio_from_PES(istream &in, ostream &out){
- PES_Packet pes;
-
- while(!in.eof()){
- pes.init();
- in >> pes ;
- if (pes.Stream_ID() == 0xC0)
- out << pes;
- }
-}
-
-void extract_video_from_PES(istream &in, ostream &out){
- PES_Packet pes;
-
- while(!in.eof()){
- pes.init();
- in >> pes ;
- if (pes.Stream_ID() == 0xE0)
- out << pes;
- }
-}
-
-void extract_es_audio_from_PES(istream &in, ostream &out){
- PES_Packet pes;
-
- while(!in.eof()){
- pes.init();
- in >> pes ;
- if (pes.Stream_ID() == 0xC0)
- out.write((char *)pes.Data(),pes.Length());
- }
-}
-
-void extract_es_video_from_PES(istream &in, ostream &out){
- PES_Packet pes;
-
- while(!in.eof()){
- pes.init();
- in >> pes ;
- if (pes.Stream_ID() == 0xE0)
- out.write((char *)pes.Data(),pes.Length());
- }
-}
-
-
-
-#define MAX_PID 20
-int TS_PIDS(istream &in, ostream &out){
- int pid[MAX_PID];
- TS_Packet ts;
- int npid=0;
-
- for (int i=0 ; i<MAX_PID; i++)
- pid[i] = -1;
- while (!in.eof()) {
- ts.init();
- in >> ts;
- int j;
- int found = 0;
- for (j=0;j<npid;j++){
- if ( ts.PID() == pid[j] )
- found = 1;
- }
- if (! found){
- out << ts.PID() << " ";
- pid[npid] = ts.PID();
- npid++;
- if (npid == MAX_PID) return -1;
- }
- }
- out << endl;
- return 0;
-}
-
-int tv_norm(istream &stream){
- uint8_t headr[4];
- int found=0;
- streampos p = 0;
- streampos q = 0;
- int hsize,vsize;
- int form= 0;
-
- q = stream.tellg();
- while (!stream.eof() && !found) {
- p = stream.tellg();
- stream.read((char *)headr,4);
- if (headr[0] == 0x00 && headr[1] == 0x00 && headr[2] == 0x01)
- if ( headr[3] == 0xB3 ){
- found = 1;
- }
- if (! found) stream.seekg(p+streampos(1));
- }
- stream.read((char *)headr,4);
-
- hsize = (headr[1] &0xF0) >> 4 | headr[0] << 4;
- vsize = (headr[1] &0x0F) << 8 | headr[2];
- cerr << "SIZE: " << hsize << "x" << vsize << endl;
-
- switch(((headr[3]&0xF0) >>4)){
- case 1:
- cerr << "ASPECT: 1:1" << endl;
- break;
- case 2:
- cerr << "ASPECT: 4:3" << endl;
- break;
- case 3:
- cerr << "ASPECT: 16:9" << endl;
- break;
- case 4:
- cerr << "ASPECT: 2.21:1" << endl;
- break;
- }
-
- switch (int(headr[3]&0x0F)){
- case 1:
- cerr << "FRAMERATE: 23.976" << endl;
- form = pDUNNO;
- break;
- case 2:
- cerr << "FRAMERATE: 24" << endl;
- form = pDUNNO;
- break;
- case 3:
- cerr << "FRAMERATE: 25" << endl;
- form = pPAL;
- break;
- case 4:
- cerr << "FRAMERATE: 29.97" << endl;
- form = pNTSC;
- break;
- case 5:
- cerr << "FRAMERATE: 30" << endl;
- form = pNTSC;
- break;
- case 6:
- cerr << "FRAMERATE: 50" << endl;
- form = pPAL;
- break;
- case 7:
- cerr << "FRAMERATE: 59.94" << endl;
- form = pNTSC;
- break;
- case 8:
- cerr << "FRAMERATE: 60" << endl;
- form = pNTSC;
- break;
- }
-
- int mpeg = 0;
- found = 0;
- while (!stream.eof() && !found) {
- p = stream.tellg();
- stream.read((char *)headr,4);
- if (headr[0] == 0x00 && headr[1] == 0x00 && headr[2] == 0x01)
- if ( headr[3] == 0xB5 ){
- char *profile[] = {"reserved", "High", "Spatially Scalable",
- "SNR Scalable", "Main", "Simple", "undef",
- "undef"};
- char *level[] = {"res", "res", "res", "res",
- "High","res", "High 1440", "res",
- "Main","res", "Low", "res",
- "res", "res", "res", "res"};
- char *chroma[] = {"res", "4:2:0", "4:2:2", "4:4:4:"};
- mpeg = 2;
- stream.read((char *)headr,4);
- cerr << "PROFILE: " << profile[headr[0] & 0x7] << endl;
- cerr << "LEVEL: " << level[headr[1]>>4 & 0xF] << endl;
- cerr << "CHROMA: " << chroma[headr[1]>>1 & 0x3] << endl;
- found = 1;
- } else {
- mpeg = 1;
- found = 1;
- }
- if (! found) stream.seekg(p+streampos(1));
- }
-
- stream.seekg(q);
- return (form | mpeg << 4);
-}
-
-
-
-int stream_type(istream &fin){
- uint8_t headr[4];
- streampos p=fin.tellg();
-
- TS_Packet ts;
- fin >> ts;
- fin.read((char *)headr,1);
- fin.seekg(p);
- if(fin && headr[0] == 0x47){
- return TS_STREAM;
- }
-
- PS_Packet ps;
- fin >> ps;
- PES_Packet pes;
- for(int j=0;j < ps.NPES();j++){
- fin >> pes;
- }
- fin.read((char *)headr,4);
- fin.seekg(p);
- if (fin && headr[0] == 0x00 && headr[1] == 0x00
- && headr[2] == 0x01 && headr[3] == 0xBA){
- return PS_STREAM;
- }
-
- fin >> pes;
- fin.read((char *)!headr,4);
- fin.seekg(p);
- if (fin && headr[0] == 0x00 && headr[1] == 0x00
- && headr[2] == 0x01 ){
- int found = 0;
- switch ( headr[3] ) {
-
- case PROG_STREAM_MAP:
- case PRIVATE_STREAM2:
- case PROG_STREAM_DIR:
- case ECM_STREAM :
- case EMM_STREAM :
- case PADDING_STREAM :
- case DSM_CC_STREAM :
- case ISO13522_STREAM:
- case PRIVATE_STREAM1:
- case AUDIO_STREAM_S ... AUDIO_STREAM_E:
- case VIDEO_STREAM_S ... VIDEO_STREAM_E:
- found = 1;
- break;
- }
- if (found){
- return PES_STREAM;
- }
- }
-
-
-
- return -1;
-}
-
-
-void analyze(istream &fin)
-{
- PS_Packet ps;
- PES_Packet pes;
- int fc = 0;
- char *frames[3] = {"I-Frame","P-Frame","B-Frame"};
-
- while(fin){
- uint32_t pts;
- fin >> ps;
- cerr << "SCR base: " << hex << setw(5)
- << setfill('0') \
- << ps.SCR_base() << " " << dec
- << "ext : " << ps.SCR_ext();
-
- cerr << " MUX rate: " << ps.MUX()*50*8/1000000.0
- << " Mbit/s ";
- cerr << "RATE bound: " << ps.Rate()*50*8/1000000.0
- << " Mbit/s" << endl;
- cerr << " Audio bound: "
- << hex << "0x"
- << int(ps.P()->audio_bound);
- cerr << " Video bound: " << hex << "0x"
- << int(ps.P()->video_bound)
- << dec
- << endl;
- cerr << endl;
-
- for (int i=0; i < ps.NPES(); i++){
- pes.init();
- fin >> pes;
- pts2pts((uint8_t *)&pts,pes.PTS());
- pes.Info() = 1;
- cerr << pes;
-
- uint8_t *buf = pes.P()->pes_pckt_data;
- int c = 0;
- int l;
- switch (pes.P()->stream_id){
- case VIDEO_STREAM_S ... VIDEO_STREAM_E:
- l=pes.P()->length;
- break;
- default:
- l = 0;
- break;
- }
- while ( c < l - 6){
- if (buf[c] == 0x00 &&
- buf[c+1] == 0x00 &&
- buf[c+2] == 0x01 &&
- buf[c+3] == 0xB8) {
- c += 4;
- cerr << "TIME hours: "
- << int((buf[c]>>2)& 0x1F)
- << " minutes: "
- << int(((buf[c]<<4)& 0x30)|
- ((buf[c+1]>>4)& 0x0F))
- << " seconds: "
- << int(((buf[c+1]<<3)& 0x38)|
- ((buf[c+2]>>5)& 0x0F))
- << endl;
- }
-
- if ( buf[c] == 0x00 &&
- buf[c+1] == 0x00 &&
- buf[c+2] == 0x01 &&
- buf[c+3] == 0x00) {
- fc++;
- c += 4;
- cerr << "picture: "
- << fc
- << " ("
- << frames[((buf[c+1]&0x38) >>3)-1]
- << ")" << endl << endl;
- } else c++;
- }
- }
- }
-}
-
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-01 15:42:47 +0000