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// T2Scan.cpp : implementation file
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//
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//********************************************************************
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//
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// Copyright (c) 2005-2007 James Memmott <jmemmott@braeman.com>
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//
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// This software is provided 'as-is', without any express or implied warranty.
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// In no event will the author be held liable for any damages arising from the
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// use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose, including
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// commercial applications, and to alter it and redistribute it freely, subject to
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// the following restrictions:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the disclaimer.
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//
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// 2. The origin of this software must not be misrepresented; you must not claim
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// that you wrote the original software. If you use this software in a product,
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// an acknowledgment in the product documentation would be appreciated but is
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// not required.
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//
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// 3. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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//
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//********************************************************************
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//
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include "TScan.h"
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#include "Utility.h"
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#include <boost/format.hpp>
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#include <fcntl.h>
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#include <errno.h>
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#ifndef O_BINARY
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# define O_BINARY 0
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#endif
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CTivoScan::CTivoScan()
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{
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m_Cc.m_pParent = this;
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m_lastGOPHour = 0;
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m_lastGOPMinute = 0;
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m_lastGOPSecond = 0;
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m_lastGOPFrame = 0;
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m_lastPTS = 0.0;
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m_lastDTS = 0.0;
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n_pks = 0;
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n_sp = 0;
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n_ap = 0;
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n_vp = 0;
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n_psm = 0;
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n_op = 0;
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m_SampleDiff = 0;
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m_validSampleDiff = false;
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m_nSyncBias = 0;
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m_csFontWeight = "normal";
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m_csFontSize = "medium";
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m_csFontFamily = "sans-serif";
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m_bUseCutoffDuration = false;
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m_nCutoffDuration = 0;
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m_nCaptionFormat = FMT_SAMI;
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m_bDoHtmlEncode = false;
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m_bShowSummary = false;
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m_bQuiet = false;
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m_bAddSpaces = false;
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m_nCcChannel = 1;
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}
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CTivoScan::~CTivoScan()
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{
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}
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void CTivoScan::ProcessAudioPES()
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{
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#if defined(DumpAudioPESData)
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unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
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#endif
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int jmp = m_cStream.ret_value(2);
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m_cStream.skip_info(1);
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int dif=1;
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bool stp=m_cStream.ret_bit(1);
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std::string stamp("No PTS");
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if (m_cStream.ret_bit(0)) {
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m_cStream.skip_info(2);
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dif=dif+2;
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double PTS=m_cStream.get_PES_stamp();
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stamp = boost::str(boost::format("PTS = %.2f") % PTS );
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dif=dif+5;
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}
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if (stp) {
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double DTS=m_cStream.get_PES_stamp();
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std::string dts;
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dts = boost::str(boost::format(", DTS = %.2f") % DTS);
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stamp+=dts;
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dif=dif+5;
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} else
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stamp+=", No DTS";
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m_cStream.skip_info(jmp-dif);
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n_ap++;
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jmp += 6;
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s_ap=s_ap+jmp;
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#if defined(DumpAudioPESData)
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fprintf(m_nFile, " %08x: Audio PES \t\tnr. %d\t\tSize :\t%d bytes\t%s\n", xloc, n_ap, jmp, stamp.c_str() );
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#endif
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}
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int CTivoScan::ProcessSequenceHeader()
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{
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#if defined(DumpVideoPESData)
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static char *sAspect[] = {"Forbidden", "1:1", "4:3", "16:9", "2.21:1", "Reserved" };
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static char *sFRate[] = {"Forbidden", "23.976", "24", "25", "29.97", "30", "50", "59.94", "60", "Reserved" };
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unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
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#endif
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int dif = 0;
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int horizontal_size = m_cStream.ret_value(1)<<4;
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horizontal_size |= m_cStream.ret_bit_value(0,3,false);
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dif += 1;
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m_nMbWidth = horizontal_size / 16;
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if (m_nMbWidth % 16) m_nMbWidth++;
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m_nVerticalSize = m_cStream.ret_bit_value(4,7,true)<<8;
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m_nVerticalSize |= m_cStream.ret_value(1);
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dif += 2;
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int aspect_ratio_information = m_cStream.ret_bit_value(0,3,false);
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if( aspect_ratio_information > 5 ) aspect_ratio_information = 5;
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int frame_rate_code = m_cStream.ret_bit_value(4,7,true);
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if( frame_rate_code > 9 ) frame_rate_code = 9;
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dif += 1;
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unsigned long bit_rate_value = m_cStream.ret_value(2)<<2;
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bit_rate_value |= m_cStream.ret_bit_value(0,1,true);
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bit_rate_value *= 400;
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dif += 3;
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bool loadiq=m_cStream.ret_bit(6);
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if( loadiq ) { // Skip Intraquantiser Matrix
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m_cStream.skip_info(64);
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dif += 64;
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}
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bool loadniq=m_cStream.ret_bit(7);
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if( loadniq ) { // Skip non-Intraquantiser Matrix
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m_cStream.skip_info(64);
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dif += 64;
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}
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m_cStream.skip_info(1);
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dif += 1;
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#if defined(DumpVideoPESData)
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fprintf(m_nFile, " %08x: Sequence Header.\tResolution : %d x %d\n", xloc, horizontal_size, m_nVerticalSize );
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fprintf(m_nFile, " \tAspect Ratio : %s\n", sAspect[aspect_ratio_information] );
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fprintf(m_nFile, " \tFrame Rate : %s\n", sFRate[frame_rate_code] );
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fprintf(m_nFile, " \tBit Rate : %ld\n", bit_rate_value );
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#endif
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dif += (int)m_cStream.skip2code();
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return dif;
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}
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int CTivoScan::ProcessGroupStart()
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{
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#if defined(DumpVideoPESData)
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unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
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#endif
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int dif = 0;
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m_cStream.ret_bit(0);
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m_lastGOPHour = m_cStream.ret_bit_value(1,5,false);
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m_lastGOPMinute = m_cStream.ret_bit_value(6,7,true)<<4;
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dif += 1;
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m_lastGOPMinute |= m_cStream.ret_bit_value(0,3,false);
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m_lastGOPSecond = m_cStream.ret_bit_value(5,7,true)<<3;
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dif += 1;
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m_lastGOPSecond |= m_cStream.ret_bit_value(0,2,false);
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m_lastGOPFrame = m_cStream.ret_bit_value(3,7,true)<<1;
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dif += 1;
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if( m_cStream.ret_bit(0) )
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m_lastGOPFrame++;
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m_cStream.ret_bit(1);
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m_cStream.ret_bit(2);
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#if defined(DumpVideoPESData)
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fprintf(m_nFile, " %08x: Group of Pictures\tSize :\t%d bytes\tTime %02d:%02d:%02d:%02d\n", xloc, dif, m_lastGOPHour, m_lastGOPMinute, m_lastGOPSecond, m_lastGOPFrame );
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#endif
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dif += (int)m_cStream.skip2code();
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return dif;
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}
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int CTivoScan::ProcessSequenceDisplayExtension()
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{
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int dif = 0;
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#if defined(DumpVideoPESData)
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unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
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fprintf(m_nFile, " %08x: Sequence Display Extension\tSize :\t%d bytes\n", xloc, dif );
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#endif
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return dif;
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}
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int CTivoScan::ProcessSequenceScalableExtension()
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{
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#if defined(DumpVideoPESData)
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unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
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#endif
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int dif = 0;
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m_bSequenceScalableExtension = true;
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m_nScalableMode = m_cStream.ret_bit_value(4,5,false);
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int layer_id = m_cStream.ret_bit_value(6,7,true)<<2;
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dif += 1;
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layer_id |= m_cStream.ret_bit_value(0,1,false);
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#if defined(DumpVideoPESData)
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fprintf(m_nFile, " %08x: Sequence Display Scalable\tSize :\t%d bytes\t%d - %d\n", xloc, dif, m_nScalableMode, layer_id );
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#endif
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return dif;
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}
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| 252 |
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int CTivoScan::ProcessExtensiondata( int etype )
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{
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#if defined(DumpVideoPESData)
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unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
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#endif
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| 258 |
int dif = 0;
|
| 259 |
|
| 260 |
switch( etype ) {
|
| 261 |
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case SEQUENCE_EXTENSION:
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m_bSequenceScalableExtension = false;
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if( m_cStream.ret_bit_value(0,3,false) == SEQUENCE_DISPLAY_EXTENSION_ID )
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dif += ProcessSequenceDisplayExtension();
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else if( m_cStream.ret_bit_value(0,3,false) == SEQUENCE_SCALABLE_EXTENSION_ID )
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dif += ProcessSequenceScalableExtension();
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break;
|
| 271 |
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case GROUP_EXTENSION:
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| 273 |
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| 274 |
// Note at this time, no Group Extensions have been defined.
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| 275 |
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break;
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| 277 |
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| 278 |
case PICTURE_EXTENSION:
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break;
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| 281 |
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} // switch
|
| 283 |
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// Eat up the bitstream until we find another code of interest...
|
| 285 |
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bool valid = false;
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int cod;
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for(;;) {
|
| 289 |
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| 290 |
cod = m_cStream.next_code(&valid);
|
| 291 |
if( !valid ) {
|
| 292 |
m_cStream.ret_value(1);
|
| 293 |
dif += 1;
|
| 294 |
} else
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| 295 |
break;
|
| 296 |
|
| 297 |
} // for
|
| 298 |
|
| 299 |
#if defined(DumpVideoPESData)
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| 300 |
fprintf(m_nFile, " %08x: Extension Data\tSize :\t%d bytes\n", xloc, dif );
|
| 301 |
#endif
|
| 302 |
|
| 303 |
return dif;
|
| 304 |
|
| 305 |
}
|
| 306 |
|
| 307 |
int CTivoScan::ASTCDecode( int dif )
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| 308 |
{
|
| 309 |
|
| 310 |
unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 8);
|
| 311 |
//Jrm
|
| 312 |
// To set a break location at a specific byte count in the .tivo file...
|
| 313 |
// if( xloc == 0x00e4ee12 )
|
| 314 |
// int jrm = 1;
|
| 315 |
//Jrm
|
| 316 |
|
| 317 |
bool bEndAtsc = false;
|
| 318 |
do {
|
| 319 |
|
| 320 |
int typecode = (unsigned char)m_cStream.ret_value(1);
|
| 321 |
dif++;
|
| 322 |
|
| 323 |
if( typecode == 0x03 ) {
|
| 324 |
|
| 325 |
bool process_em_data = m_cStream.ret_bit(1);
|
| 326 |
bool process_cc_data = m_cStream.ret_bit(1);
|
| 327 |
bool additional_data = m_cStream.ret_bit(1);
|
| 328 |
int cc_count = m_cStream.ret_bit_value(3,7,true);
|
| 329 |
dif++;
|
| 330 |
int em_data = (unsigned char)m_cStream.ret_value(1);
|
| 331 |
dif++;
|
| 332 |
|
| 333 |
for( int i=0; i < cc_count; i++) {
|
| 334 |
|
| 335 |
byte cc_field = (unsigned char)m_cStream.ret_value(1);
|
| 336 |
dif++;
|
| 337 |
byte b1 = (unsigned char)m_cStream.ret_value(1);
|
| 338 |
dif++;
|
| 339 |
byte b2 = (unsigned char)m_cStream.ret_value(1);
|
| 340 |
dif++;
|
| 341 |
|
| 342 |
if( cc_field == 0xFC ) {
|
| 343 |
|
| 344 |
#if defined(DumpUserData)
|
| 345 |
byte c1 = b1 & 0x7f;
|
| 346 |
if( c1 < 0x20 ) c1 = 0x20;
|
| 347 |
byte c2 = b2 & 0x7f;
|
| 348 |
if( c2 < 0x20 ) c2 = 0x20;
|
| 349 |
fprintf(m_nFile, " \tATSC User Data : %2x(%c), %2x(%c)\n", b1, c1, b2, c2 );
|
| 350 |
#endif
|
| 351 |
|
| 352 |
m_Cc.CcDecode( b1, b2 );
|
| 353 |
|
| 354 |
}
|
| 355 |
|
| 356 |
}
|
| 357 |
|
| 358 |
} else if( typecode == 0xFF ) {
|
| 359 |
dif += (int)m_cStream.skip2code();
|
| 360 |
bEndAtsc = true;
|
| 361 |
} else {
|
| 362 |
|
| 363 |
byte b;
|
| 364 |
|
| 365 |
do {
|
| 366 |
|
| 367 |
b = (unsigned char)m_cStream.ret_value(1);
|
| 368 |
dif++;
|
| 369 |
|
| 370 |
if( b == 0xFF ) {
|
| 371 |
|
| 372 |
dif += (int)m_cStream.skip2code();
|
| 373 |
bEndAtsc = true;
|
| 374 |
b = 0;
|
| 375 |
|
| 376 |
} else if( b == 0x00 ) {
|
| 377 |
|
| 378 |
b = (unsigned char)m_cStream.ret_value(1);
|
| 379 |
dif++;
|
| 380 |
|
| 381 |
if( b == 0xFF ) {
|
| 382 |
|
| 383 |
dif += (int)m_cStream.skip2code();
|
| 384 |
bEndAtsc = true;
|
| 385 |
b = 0;
|
| 386 |
|
| 387 |
}
|
| 388 |
|
| 389 |
}
|
| 390 |
|
| 391 |
} while( b != 0 );
|
| 392 |
|
| 393 |
}
|
| 394 |
|
| 395 |
} while( !bEndAtsc );
|
| 396 |
|
| 397 |
#if defined(DumpUserData)
|
| 398 |
fprintf(m_nFile, " %08x: ATSC User Data\tSize :\t%d bytes\n", xloc, dif );
|
| 399 |
#endif
|
| 400 |
|
| 401 |
return dif;
|
| 402 |
|
| 403 |
}
|
| 404 |
|
| 405 |
int CTivoScan::ProcessUserdata()
|
| 406 |
{
|
| 407 |
#if defined(DumpUserData)
|
| 408 |
unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 409 |
#endif
|
| 410 |
int dif = 0;
|
| 411 |
|
| 412 |
//Jrm
|
| 413 |
// To set a break location at a specific byte count in the .tivo file...
|
| 414 |
// if( xloc == 0x00e4ee12 )
|
| 415 |
// int jrm = 1;
|
| 416 |
//Jrm
|
| 417 |
|
| 418 |
unsigned char data[256];
|
| 419 |
memset( data, 0, sizeof(data) );
|
| 420 |
bool valid = false;
|
| 421 |
int cod;
|
| 422 |
|
| 423 |
data[0] = (unsigned char)m_cStream.ret_value(1);
|
| 424 |
dif++;
|
| 425 |
if( data[0] == 0x47 ) {
|
| 426 |
|
| 427 |
data[1] = (unsigned char)m_cStream.ret_value(1);
|
| 428 |
dif++;
|
| 429 |
if( data[1] == 0x41 ) {
|
| 430 |
|
| 431 |
data[2] = (unsigned char)m_cStream.ret_value(1);
|
| 432 |
dif++;
|
| 433 |
if( data[2] == 0x39 ) {
|
| 434 |
|
| 435 |
data[3] = (unsigned char)m_cStream.ret_value(1);
|
| 436 |
dif++;
|
| 437 |
if( data[3] == 0x34 )
|
| 438 |
return ASTCDecode( dif );
|
| 439 |
}
|
| 440 |
}
|
| 441 |
}
|
| 442 |
|
| 443 |
// Eats up the bitstream until we find another code of interest...
|
| 444 |
size_t nd;
|
| 445 |
for( nd=dif; nd<sizeof(data); nd++ ) {
|
| 446 |
|
| 447 |
cod = m_cStream.next_code(&valid);
|
| 448 |
if( !valid ) {
|
| 449 |
data[nd] = (unsigned char)m_cStream.ret_value(1);
|
| 450 |
dif += 1;
|
| 451 |
} else
|
| 452 |
break;
|
| 453 |
|
| 454 |
} // for
|
| 455 |
|
| 456 |
dif += (int)m_cStream.skip2code();
|
| 457 |
|
| 458 |
#if defined(DumpUserData)
|
| 459 |
fprintf(m_nFile, " %08x: User Data\tSize :\t%d bytes\n", xloc, dif );
|
| 460 |
fprintf(m_nFile, " ");
|
| 461 |
std::string dvalue;
|
| 462 |
size_t i, l;
|
| 463 |
for( i=0, l=1; i<=nd; i++, l++ ) {
|
| 464 |
fprintf(m_nFile, " %02X", data[i] );
|
| 465 |
if( l >= 20 ) {
|
| 466 |
fprintf(m_nFile, "\n ");
|
| 467 |
l = 0;
|
| 468 |
}
|
| 469 |
}
|
| 470 |
if( l != 0 )
|
| 471 |
fprintf(m_nFile, "\n");
|
| 472 |
#endif
|
| 473 |
|
| 474 |
return dif;
|
| 475 |
|
| 476 |
}
|
| 477 |
|
| 478 |
int CTivoScan::ProcessPictureHeader()
|
| 479 |
{
|
| 480 |
#if defined(DumpVideoPESData)
|
| 481 |
unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 482 |
#endif
|
| 483 |
int dif = 0;
|
| 484 |
|
| 485 |
int temporal_reference = m_cStream.ret_value(1)<<2;
|
| 486 |
temporal_reference |= m_cStream.ret_bit_value(0,1,false);
|
| 487 |
dif += 1;
|
| 488 |
|
| 489 |
m_nPictureCodingType = m_cStream.ret_bit_value(2,4,true); // 1: I-Picture, 2: P-Picture, 3: B-Picture
|
| 490 |
dif += 1;
|
| 491 |
|
| 492 |
m_cStream.skip_info(1); // VBV Delay
|
| 493 |
dif += 1;
|
| 494 |
|
| 495 |
int epos;
|
| 496 |
|
| 497 |
switch( m_nPictureCodingType ) {
|
| 498 |
|
| 499 |
case 1:
|
| 500 |
epos = 5;
|
| 501 |
break;
|
| 502 |
|
| 503 |
case 2:
|
| 504 |
m_cStream.skip_info(1); // full_pel_backward_vector
|
| 505 |
dif += 1;
|
| 506 |
epos = 1;
|
| 507 |
break;
|
| 508 |
|
| 509 |
case 3:
|
| 510 |
m_cStream.skip_info(1); // full_pel_forward_vector and full_pel_backward_vector
|
| 511 |
dif += 1;
|
| 512 |
epos = 5;
|
| 513 |
break;
|
| 514 |
|
| 515 |
default:
|
| 516 |
m_cStream.go_back(dif+1);
|
| 517 |
dif = (int)m_cStream.skip2code();
|
| 518 |
return 0;
|
| 519 |
|
| 520 |
}
|
| 521 |
|
| 522 |
while( m_cStream.ret_bit(epos) ) {
|
| 523 |
|
| 524 |
m_cStream.skip_info(1);
|
| 525 |
dif += 1;
|
| 526 |
|
| 527 |
epos++;
|
| 528 |
if( epos > 7 ) {
|
| 529 |
m_cStream.skip_info(1);
|
| 530 |
dif += 1;
|
| 531 |
epos = 0;
|
| 532 |
}
|
| 533 |
|
| 534 |
}
|
| 535 |
|
| 536 |
m_cStream.skip_info(1);
|
| 537 |
dif += 1;
|
| 538 |
|
| 539 |
dif += (int)m_cStream.skip2code();
|
| 540 |
|
| 541 |
#if defined(DumpVideoPESData)
|
| 542 |
fprintf(m_nFile, " %08x: Picture Header\tSize :\t%d bytes, type : %d\n", xloc, dif, m_nPictureCodingType );
|
| 543 |
#endif
|
| 544 |
|
| 545 |
return dif;
|
| 546 |
|
| 547 |
}
|
| 548 |
|
| 549 |
int CTivoScan::ProcessPictureCodingExtension()
|
| 550 |
{
|
| 551 |
|
| 552 |
int dif = 0;
|
| 553 |
bool valid = false;
|
| 554 |
if( m_cStream.next_code(&valid) != 181 || !valid )
|
| 555 |
return dif;
|
| 556 |
|
| 557 |
int cod;
|
| 558 |
m_cStream.read_code(&cod);
|
| 559 |
dif += 4;
|
| 560 |
|
| 561 |
#if defined(DumpVideoPESData)
|
| 562 |
unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 563 |
#endif
|
| 564 |
|
| 565 |
// Eat up the bitstream until we find another code of interest...
|
| 566 |
dif += (int)m_cStream.skip2code();
|
| 567 |
|
| 568 |
#if defined(DumpVideoPESData)
|
| 569 |
fprintf(m_nFile, " %08x: Picture Coding Extension\tSize :\t%d bytes\n", xloc, dif );
|
| 570 |
#endif
|
| 571 |
|
| 572 |
return dif;
|
| 573 |
|
| 574 |
}
|
| 575 |
|
| 576 |
int CTivoScan::ProcessPictureData()
|
| 577 |
{
|
| 578 |
#if defined(DumpVideoPESData) || defined(DumpPictureData)
|
| 579 |
unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 580 |
#endif
|
| 581 |
int dif = 0;
|
| 582 |
bool valid = true;
|
| 583 |
|
| 584 |
while( m_cStream.next_code(&valid) > 0x000 && m_cStream.next_code(&valid) <= 0x0AF&& valid ) { // Slice Data
|
| 585 |
|
| 586 |
int cod;
|
| 587 |
if( m_cStream.read_code(&cod) )
|
| 588 |
dif += 4;
|
| 589 |
else
|
| 590 |
break;
|
| 591 |
|
| 592 |
#if defined(DumpPictureData)
|
| 593 |
int slice_vertical_position = cod & 0xFF;
|
| 594 |
unsigned long tloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 595 |
#endif
|
| 596 |
|
| 597 |
// Eats up the bitstream until we find another code of interest...
|
| 598 |
int slice = (int)m_cStream.skip2code();
|
| 599 |
|
| 600 |
#if defined(DumpPictureData)
|
| 601 |
fprintf(m_nFile, " %08x: Slice Data (%d)\tSize :\t%d bytes\n", tloc, slice_vertical_position, slice );
|
| 602 |
#endif
|
| 603 |
|
| 604 |
dif += slice;
|
| 605 |
|
| 606 |
}
|
| 607 |
|
| 608 |
#if defined(DumpVideoPESData)
|
| 609 |
fprintf(m_nFile, " %08x: Frame Data\tSize :\t%d bytes\n", xloc, dif );
|
| 610 |
#endif
|
| 611 |
|
| 612 |
return dif;
|
| 613 |
|
| 614 |
}
|
| 615 |
|
| 616 |
int CTivoScan::ProcessExtensionAndUserdata( int etype )
|
| 617 |
{
|
| 618 |
|
| 619 |
int dif = 0;
|
| 620 |
bool valid = true;
|
| 621 |
|
| 622 |
while( ( m_cStream.next_code(&valid) == 178 && valid ) || // USERDATA_START_CODE
|
| 623 |
( m_cStream.next_code(&valid) == 181 && valid ) ) { // EXTENSION_START_CODE
|
| 624 |
|
| 625 |
int cod;
|
| 626 |
if( m_cStream.read_code(&cod) )
|
| 627 |
dif += 4;
|
| 628 |
else
|
| 629 |
break;
|
| 630 |
|
| 631 |
if( cod == 181 )
|
| 632 |
dif += ProcessExtensiondata( etype );
|
| 633 |
else if ( cod == 178)
|
| 634 |
dif += ProcessUserdata();
|
| 635 |
|
| 636 |
}
|
| 637 |
|
| 638 |
return dif;
|
| 639 |
|
| 640 |
}
|
| 641 |
|
| 642 |
int CTivoScan::ProcessSequenceExtension()
|
| 643 |
{
|
| 644 |
#if defined(DumpVideoPESData)
|
| 645 |
unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 646 |
#endif
|
| 647 |
int dif = 0;
|
| 648 |
bool valid = false;
|
| 649 |
|
| 650 |
if( m_cStream.next_code(&valid) == 181 && valid ) { // EXTENSION_START_CODE
|
| 651 |
|
| 652 |
int cod;
|
| 653 |
m_cStream.read_code(&cod);
|
| 654 |
dif += 4;
|
| 655 |
|
| 656 |
// Eat up the bitstream until we find another code of interest...
|
| 657 |
|
| 658 |
for(;;) {
|
| 659 |
|
| 660 |
cod = m_cStream.next_code(&valid);
|
| 661 |
if( !valid ) {
|
| 662 |
m_cStream.ret_value(1);
|
| 663 |
dif += 1;
|
| 664 |
} else
|
| 665 |
break;
|
| 666 |
|
| 667 |
} // for
|
| 668 |
|
| 669 |
#if defined(DumpVideoPESData)
|
| 670 |
fprintf(m_nFile, " %08x: Sequence Extension Data\tSize :\t%d bytes\n", xloc, dif );
|
| 671 |
#endif
|
| 672 |
|
| 673 |
}
|
| 674 |
|
| 675 |
return dif;
|
| 676 |
|
| 677 |
}
|
| 678 |
|
| 679 |
void CTivoScan::ProcessVideoPES()
|
| 680 |
{
|
| 681 |
#if defined(DumpVideoPESData)
|
| 682 |
unsigned long xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 683 |
#endif
|
| 684 |
|
| 685 |
int jmp = m_cStream.ret_value(2);
|
| 686 |
|
| 687 |
int dif=0;
|
| 688 |
m_cStream.skip_info(1);
|
| 689 |
dif += 1;
|
| 690 |
|
| 691 |
bool stp=m_cStream.ret_bit(0);
|
| 692 |
bool std=m_cStream.ret_bit(1);
|
| 693 |
m_cStream.skip_info(1);
|
| 694 |
|
| 695 |
int hdr=m_cStream.ret_value(1);
|
| 696 |
dif += 2;
|
| 697 |
|
| 698 |
std::string stamp("No PTS");
|
| 699 |
|
| 700 |
if (stp){
|
| 701 |
m_lastPTS = m_cStream.get_PES_stamp();
|
| 702 |
stamp = boost::str(boost::format("PTS = %.2f") % m_lastPTS );
|
| 703 |
dif += 5;
|
| 704 |
hdr -= 5;
|
| 705 |
}
|
| 706 |
|
| 707 |
if (std) {
|
| 708 |
m_lastDTS = m_cStream.get_PES_stamp();
|
| 709 |
std::string dts;
|
| 710 |
dts = boost::str(boost::format(", DTS = %.2f") % m_lastDTS );
|
| 711 |
stamp+=dts;
|
| 712 |
dif += 5;
|
| 713 |
hdr -= 5;
|
| 714 |
} else
|
| 715 |
stamp+=", No DTS";
|
| 716 |
|
| 717 |
n_vp++;
|
| 718 |
|
| 719 |
s_vp = s_vp + jmp + 6;
|
| 720 |
|
| 721 |
#if defined(DumpVideoPESData)
|
| 722 |
fprintf(m_nFile, " %08x: Video PES \t\tnr. %d\t\tSize :\t%d bytes\t%s\n", xloc, n_vp, jmp, stamp.c_str() );
|
| 723 |
#endif
|
| 724 |
|
| 725 |
m_cStream.skip_info(hdr);
|
| 726 |
dif += hdr;
|
| 727 |
jmp -= dif;
|
| 728 |
bool done = false;
|
| 729 |
|
| 730 |
int cod;
|
| 731 |
bool valid;
|
| 732 |
|
| 733 |
jmp -= (int)m_cStream.skip2code();
|
| 734 |
|
| 735 |
if( m_cStream.next_code(&valid) == 179 && valid ) { // SEQUENCE HEADER
|
| 736 |
|
| 737 |
if( m_cStream.read_code(&cod) ) {
|
| 738 |
jmp -= 4;
|
| 739 |
jmp -= ProcessSequenceHeader();
|
| 740 |
jmp -= ProcessSequenceExtension();
|
| 741 |
} else
|
| 742 |
goto exitReturn;
|
| 743 |
|
| 744 |
}
|
| 745 |
|
| 746 |
// Make sure we are on the next start code
|
| 747 |
while( jmp > 0 && !done ) {
|
| 748 |
|
| 749 |
|
| 750 |
jmp -= ProcessExtensionAndUserdata( SEQUENCE_EXTENSION );
|
| 751 |
|
| 752 |
do {
|
| 753 |
|
| 754 |
if( m_cStream.next_code(&valid) == 184 && valid ) { // GROUP START CODE)
|
| 755 |
|
| 756 |
if( m_cStream.read_code(&cod) )
|
| 757 |
jmp -= 4;
|
| 758 |
else
|
| 759 |
goto exitReturn;
|
| 760 |
|
| 761 |
jmp -= ProcessGroupStart();
|
| 762 |
jmp -= ProcessExtensionAndUserdata( GROUP_EXTENSION );
|
| 763 |
|
| 764 |
} else if( m_cStream.next_code(&valid) == 000 && valid ) { // PICTURE START CODE
|
| 765 |
|
| 766 |
if( m_cStream.read_code(&cod) )
|
| 767 |
jmp -= 4;
|
| 768 |
else
|
| 769 |
goto exitReturn;
|
| 770 |
|
| 771 |
jmp -= ProcessPictureHeader();
|
| 772 |
jmp -= ProcessPictureCodingExtension();
|
| 773 |
jmp -= ProcessExtensionAndUserdata( PICTURE_EXTENSION );
|
| 774 |
jmp -= ProcessPictureData();
|
| 775 |
|
| 776 |
} else if( m_cStream.next_code(&valid) <= 0x0AF && valid ) { // Slice Data
|
| 777 |
jmp -= ProcessPictureData();
|
| 778 |
} else {
|
| 779 |
break;
|
| 780 |
}
|
| 781 |
|
| 782 |
} while( ( m_cStream.next_code(&valid) <= 0x0AF && valid ) || // PICTURE_START_CODE or Slice Data
|
| 783 |
( m_cStream.next_code(&valid) == 184 && valid ) ); // GROUP_START_CODE
|
| 784 |
|
| 785 |
if( jmp > 0 ) {
|
| 786 |
|
| 787 |
if( m_cStream.next_code(&valid) == 179 && valid ) { // SEQUENCE HEADER
|
| 788 |
|
| 789 |
if( m_cStream.read_code(&cod) ) {
|
| 790 |
jmp -= 4;
|
| 791 |
jmp -= ProcessSequenceHeader();
|
| 792 |
jmp -= ProcessSequenceExtension();
|
| 793 |
} else
|
| 794 |
goto exitReturn;
|
| 795 |
|
| 796 |
} else {
|
| 797 |
|
| 798 |
m_cStream.skip_info(jmp);
|
| 799 |
jmp = 0;
|
| 800 |
|
| 801 |
}
|
| 802 |
|
| 803 |
}
|
| 804 |
|
| 805 |
} // while
|
| 806 |
|
| 807 |
exitReturn:
|
| 808 |
|
| 809 |
if (jmp > 0)
|
| 810 |
m_cStream.skip_info(jmp);
|
| 811 |
m_cStream.skip2code();
|
| 812 |
|
| 813 |
}
|
| 814 |
|
| 815 |
bool CTivoScan::ProcessPS( const char * lpFileName, const std::string & szOutputName )
|
| 816 |
{
|
| 817 |
|
| 818 |
std::string szInputFile(lpFileName);
|
| 819 |
|
| 820 |
int percent = 0;
|
| 821 |
int p;
|
| 822 |
|
| 823 |
int cod;
|
| 824 |
double SCR;
|
| 825 |
std::string stamp;
|
| 826 |
bool r_ok;
|
| 827 |
bool r_end;
|
| 828 |
|
| 829 |
r_ok=true;
|
| 830 |
r_end=false;
|
| 831 |
n_pks = 0;
|
| 832 |
n_sp = 0;
|
| 833 |
n_ap = 0;
|
| 834 |
n_vp = 0;
|
| 835 |
n_psm = 0;
|
| 836 |
n_op = 0;
|
| 837 |
|
| 838 |
s_pks=s_sp=s_vp=s_ap=s_op=s_psm=0;
|
| 839 |
|
| 840 |
#ifdef _DEBUG
|
| 841 |
|
| 842 |
std::string szOutputFile = szOutputName + ".txt\0";
|
| 843 |
m_nFile = fopen( szOutputFile.c_str(), "wb");
|
| 844 |
if( m_nFile == NULL ) {
|
| 845 |
TRACE("m_cFile could not be opened %0x\n", errno);
|
| 846 |
return false;
|
| 847 |
}
|
| 848 |
|
| 849 |
fprintf(m_nFile, "This File lists the packets found in %s\n", szInputFile.c_str() );
|
| 850 |
|
| 851 |
#endif
|
| 852 |
|
| 853 |
m_cStream.m_dwBufferBase = 0;
|
| 854 |
|
| 855 |
if( !m_Cc.Initialize(szOutputName) )
|
| 856 |
return false;
|
| 857 |
m_szOutputCaptionFile = m_Cc.getOutputFileName();
|
| 858 |
|
| 859 |
m_cStream.Initialize(szInputFile);
|
| 860 |
|
| 861 |
m_cStream.fill_buffer(0);
|
| 862 |
int jmp = 0;
|
| 863 |
unsigned long xloc;
|
| 864 |
|
| 865 |
while((!r_end)&&(m_cStream.pos<=m_cStream.buf_len)&&(r_ok)) {
|
| 866 |
|
| 867 |
m_cStream.read_code(&cod);
|
| 868 |
|
| 869 |
if( !m_bQuiet )
|
| 870 |
if( (p=m_cStream.PercentDone()) > percent ) {
|
| 871 |
percent = p;
|
| 872 |
if (m_cbPercentChange)
|
| 873 |
m_cbPercentChange (percent);
|
| 874 |
}
|
| 875 |
|
| 876 |
switch( cod ) {
|
| 877 |
|
| 878 |
case 0: // Unknown packet
|
| 879 |
r_ok=false;
|
| 880 |
break;
|
| 881 |
|
| 882 |
case 185: // MPEG_end
|
| 883 |
r_end=true;
|
| 884 |
break;
|
| 885 |
|
| 886 |
case 186: // Pack header
|
| 887 |
|
| 888 |
xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 889 |
|
| 890 |
//Jrm
|
| 891 |
// if( xloc == 0x0190fff3 )
|
| 892 |
// int jrm = 1;
|
| 893 |
//Jrm
|
| 894 |
|
| 895 |
SCR=m_cStream.get_SCR();
|
| 896 |
m_cStream.skip_info(3);
|
| 897 |
if (!m_cStream.zero()) {
|
| 898 |
|
| 899 |
jmp = m_cStream.ret_bit_value(5,7,true);
|
| 900 |
m_cStream.skip_info(jmp);
|
| 901 |
jmp=jmp+14;
|
| 902 |
|
| 903 |
} else {
|
| 904 |
|
| 905 |
m_cStream.go_back(1);
|
| 906 |
jmp=12;
|
| 907 |
|
| 908 |
}
|
| 909 |
|
| 910 |
n_pks++;
|
| 911 |
s_pks=s_pks+jmp;
|
| 912 |
#if defined(DumpPSData)
|
| 913 |
fprintf(m_nFile, " %08x: PACK header \t\tnr. %d\t\tSize :\t%d bytes\tSCR = %d\n", xloc, n_pks, jmp, SCR);
|
| 914 |
#endif
|
| 915 |
break;
|
| 916 |
|
| 917 |
case 187: // System header
|
| 918 |
|
| 919 |
xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 920 |
jmp=m_cStream.ret_value(2);
|
| 921 |
m_cStream.skip_info(jmp);
|
| 922 |
n_sp++;
|
| 923 |
jmp=jmp+6;
|
| 924 |
s_sp=s_sp+jmp;
|
| 925 |
#if defined(DumpPSData)
|
| 926 |
fprintf(m_nFile, " %08x: System header \t\tnr. %d\t\tSize :\t%d bytes\n", xloc, n_sp, jmp );
|
| 927 |
#endif
|
| 928 |
break;
|
| 929 |
|
| 930 |
case 188: //PSM
|
| 931 |
|
| 932 |
xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 933 |
jmp=m_cStream.ret_value(2);
|
| 934 |
m_cStream.skip_info(jmp);
|
| 935 |
n_psm++;
|
| 936 |
jmp=jmp+6;
|
| 937 |
s_psm=s_psm+jmp;
|
| 938 |
#if defined(DumpPSData)
|
| 939 |
fprintf(m_nFile, " %08x: Program Stream Map \t\tnr. %d\t\tSize :\t%d bytes\n", xloc, n_psm, jmp );
|
| 940 |
#endif
|
| 941 |
break;
|
| 942 |
|
| 943 |
case 189: // PES Private 1
|
| 944 |
|
| 945 |
xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 946 |
jmp=m_cStream.ret_value(2);
|
| 947 |
m_cStream.skip_info(jmp);
|
| 948 |
n_op++;
|
| 949 |
jmp=jmp+6;
|
| 950 |
s_op=s_op+jmp;
|
| 951 |
#if defined(DumpPSData)
|
| 952 |
fprintf(m_nFile, " %08x: Private m_cStream 1 PES \tnr. %d\t\tSize :\t%d bytes\n", xloc, n_op, jmp );
|
| 953 |
#endif
|
| 954 |
break;
|
| 955 |
|
| 956 |
case 190: // PES Padding
|
| 957 |
|
| 958 |
xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 959 |
jmp=m_cStream.ret_value(2);
|
| 960 |
m_cStream.skip_info(jmp);
|
| 961 |
n_op++;
|
| 962 |
jmp=jmp+6;
|
| 963 |
s_op=s_op+jmp;
|
| 964 |
#if defined(DumpPSData)
|
| 965 |
fprintf(m_nFile, " %08x: Padding m_cStream PES \tnr. %d\t\tSize :\t%d bytes\n", xloc, n_op, jmp );
|
| 966 |
#endif
|
| 967 |
break;
|
| 968 |
|
| 969 |
case 191: // PES Private 2
|
| 970 |
|
| 971 |
xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 972 |
jmp=m_cStream.ret_value(2);
|
| 973 |
m_cStream.skip_info(jmp);
|
| 974 |
n_op++;
|
| 975 |
jmp=jmp+6;
|
| 976 |
s_op=s_op+jmp;
|
| 977 |
#if defined(DumpPSData)
|
| 978 |
fprintf(m_nFile, " %08x: Private m_cStream 2 PES \tnr. %d\t\tSize :\t%d bytes\n", xloc, n_op, jmp );
|
| 979 |
#endif
|
| 980 |
break;
|
| 981 |
|
| 982 |
default:
|
| 983 |
|
| 984 |
if ( (cod>=192) && (cod<=223) ) { // PES Audio
|
| 985 |
|
| 986 |
ProcessAudioPES();
|
| 987 |
|
| 988 |
} else if( (cod>=224) && (cod<=239) ) { // PES Video
|
| 989 |
|
| 990 |
ProcessVideoPES();
|
| 991 |
|
| 992 |
} else if( (cod>=240) && (cod<=255) ) { // PES Data
|
| 993 |
|
| 994 |
xloc = (unsigned long)(m_cStream.m_dwBufferBase + m_cStream.pos - 4);
|
| 995 |
jmp=m_cStream.ret_value(2);
|
| 996 |
m_cStream.skip_info(jmp);
|
| 997 |
n_op++;
|
| 998 |
jmp=jmp+6;
|
| 999 |
s_op=s_op+jmp;
|
| 1000 |
|
| 1001 |
#if defined(DumpPSData)
|
| 1002 |
fprintf(m_nFile, " %08x: Data PES \t\tnr. %d\t\tSize :\t%d bytes\n", xloc, n_op, jmp );
|
| 1003 |
#endif
|
| 1004 |
|
| 1005 |
}
|
| 1006 |
|
| 1007 |
break;
|
| 1008 |
|
| 1009 |
} // switch
|
| 1010 |
|
| 1011 |
} // while
|
| 1012 |
|
| 1013 |
#ifdef _DEBUG
|
| 1014 |
|
| 1015 |
if(r_end)
|
| 1016 |
fprintf(m_nFile, "MPEG end packet reached\n");
|
| 1017 |
else
|
| 1018 |
fprintf(m_nFile, "No MPEG end packet encountered !\n");
|
| 1019 |
|
| 1020 |
if(r_ok)
|
| 1021 |
fprintf(m_nFile, "Read - OK...\n");
|
| 1022 |
else
|
| 1023 |
fprintf(m_nFile, "Read - Error...\n");
|
| 1024 |
|
| 1025 |
fprintf(m_nFile, "\nStatistics :\n");
|
| 1026 |
fprintf(m_nFile, "-----------\n");
|
| 1027 |
fprintf(m_nFile, "Pack headers : %d\t Total size : %lld bytes\n", n_pks, s_pks );
|
| 1028 |
fprintf(m_nFile, "System headers : %d\t Total size : %lld bytes\n", n_sp, s_sp );
|
| 1029 |
fprintf(m_nFile, "PSM packets : %d\t Total size : %lld bytes\n", n_psm, s_psm );
|
| 1030 |
fprintf(m_nFile, "Video packets : %d\t Total size : %lld bytes\n", n_vp, s_vp );
|
| 1031 |
fprintf(m_nFile, "Audio packets : %d\t Total size : %lld bytes\n", n_ap, s_ap );
|
| 1032 |
fprintf(m_nFile, "Other packets : %d\t Total size : %lld bytes\n", n_op, s_op );
|
| 1033 |
|
| 1034 |
#endif
|
| 1035 |
|
| 1036 |
m_Cc.WriteSubtitles();
|
| 1037 |
|
| 1038 |
switch( m_nCaptionFormat ) {
|
| 1039 |
|
| 1040 |
case FMT_SAMI:
|
| 1041 |
|
| 1042 |
{
|
| 1043 |
int nSync;
|
| 1044 |
if( m_bUseCutoffDuration )
|
| 1045 |
nSync = m_nLastSync + m_nCutoffDuration;
|
| 1046 |
else
|
| 1047 |
nSync = m_nLastSync + 5000;
|
| 1048 |
|
| 1049 |
fprintf (m_Cc.m_nFile, "<SYNC Start=%d>\n", nSync );
|
| 1050 |
m_Cc.WriteLine( "<P CLASS=ENUSCC> </P>" );
|
| 1051 |
m_Cc.WriteLine( "</SYNC>" );
|
| 1052 |
|
| 1053 |
}
|
| 1054 |
|
| 1055 |
break;
|
| 1056 |
|
| 1057 |
case FMT_SRT:
|
| 1058 |
|
| 1059 |
if( !m_csCurrentCaption.empty() ) {
|
| 1060 |
|
| 1061 |
int nStartTime = m_nLastSync;
|
| 1062 |
int nEndTime;
|
| 1063 |
if( m_bUseCutoffDuration )
|
| 1064 |
nEndTime = m_nLastSync + m_nCutoffDuration;
|
| 1065 |
else
|
| 1066 |
nEndTime = m_nLastSync + 5000;
|
| 1067 |
|
| 1068 |
m_nCaptionCount++;
|
| 1069 |
fprintf(m_Cc.m_nFile, "%d\n", m_nCaptionCount );
|
| 1070 |
|
| 1071 |
fprintf(m_Cc.m_nFile, "%s --> %s\n", SrtTimeString(nStartTime).c_str(), SrtTimeString(nEndTime).c_str() );
|
| 1072 |
|
| 1073 |
fprintf(m_Cc.m_nFile, "%s\n\n", m_csCurrentCaption.c_str() );
|
| 1074 |
|
| 1075 |
}
|
| 1076 |
|
| 1077 |
break;
|
| 1078 |
|
| 1079 |
} // switch
|
| 1080 |
|
| 1081 |
if( m_bShowSummary ) {
|
| 1082 |
|
| 1083 |
m_Cc.WriteLine( "<!--" );
|
| 1084 |
|
| 1085 |
if(r_end)
|
| 1086 |
fprintf(m_Cc.m_nFile, "MPEG_end packet reached\n");
|
| 1087 |
else
|
| 1088 |
fprintf(m_Cc.m_nFile, "No MPEG_end packet encountered !\n");
|
| 1089 |
|
| 1090 |
if(r_ok)
|
| 1091 |
fprintf(m_Cc.m_nFile, "Read - OK...\n");
|
| 1092 |
else
|
| 1093 |
fprintf(m_Cc.m_nFile, "Read - Error...\n");
|
| 1094 |
|
| 1095 |
fprintf(m_Cc.m_nFile, "\n");
|
| 1096 |
|
| 1097 |
fprintf(m_Cc.m_nFile, "Statistics :\n");
|
| 1098 |
|
| 1099 |
fprintf(m_Cc.m_nFile, "-----------\n");
|
| 1100 |
|
| 1101 |
fprintf(m_Cc.m_nFile,"Pack headers : %d\t Total size : %lld bytes\n", n_pks, s_pks );
|
| 1102 |
|
| 1103 |
fprintf(m_Cc.m_nFile,"System headers : %d\t Total size : %lld bytes\n", n_sp, s_sp );
|
| 1104 |
|
| 1105 |
fprintf(m_Cc.m_nFile, "PSM packets : %d\t Total size : %lld bytes\n", n_psm, s_psm );
|
| 1106 |
|
| 1107 |
fprintf(m_Cc.m_nFile, "Video packets : %d\t Total size : %lld bytes\n", n_vp, s_vp );
|
| 1108 |
|
| 1109 |
fprintf(m_Cc.m_nFile, "Audio packets : %d\t Total size : %lld bytes\n", n_ap, s_ap );
|
| 1110 |
|
| 1111 |
fprintf(m_Cc.m_nFile, "Other packets : %d\t Total size : %lld bytes\n", n_op, s_op );
|
| 1112 |
|
| 1113 |
m_Cc.WriteLine( "-->" );
|
| 1114 |
|
| 1115 |
}
|
| 1116 |
|
| 1117 |
#ifdef _DEBUG
|
| 1118 |
CloseFile();
|
| 1119 |
#endif
|
| 1120 |
|
| 1121 |
m_Cc.Close();
|
| 1122 |
|
| 1123 |
m_cStream.end_PS();
|
| 1124 |
return r_ok;
|
| 1125 |
}
|
| 1126 |
|
| 1127 |
//
|
| 1128 |
// CloseFile
|
| 1129 |
//
|
| 1130 |
void CTivoScan::CloseFile()
|
| 1131 |
{
|
| 1132 |
|
| 1133 |
if( m_nFile != NULL ) {
|
| 1134 |
fclose( m_nFile );
|
| 1135 |
m_nFile = NULL;
|
| 1136 |
}
|
| 1137 |
|
| 1138 |
}
|
| 1139 |
|
| 1140 |
//
|
| 1141 |
// WriteString
|
| 1142 |
//
|
| 1143 |
void CTivoScan::WriteString( const std::string & szString )
|
| 1144 |
{
|
| 1145 |
// If the file has already been closed, don't continue
|
| 1146 |
if( m_nFile == NULL )
|
| 1147 |
return;
|
| 1148 |
|
| 1149 |
fwrite(szString.data(), 1, szString.length(), m_nFile );
|
| 1150 |
|
| 1151 |
}
|
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| 
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