#include "mp4_adobe.h" namespace MP4 { ABST::ABST() { memcpy(data + 4, "abst", 4); setVersion(0); setFlags(0); setBootstrapinfoVersion(0); setProfile(0); setLive(1); setUpdate(0); setTimeScale(1000); setCurrentMediaTime(0); setSmpteTimeCodeOffset(0); std::string empty; setMovieIdentifier(empty); setInt8(0, 30); //set serverentrycount to 0 setInt8(0, 31); //set qualityentrycount to 0 setDrmData(empty); setMetaData(empty); } void ABST::setVersion(char newVersion) { setInt8(newVersion, 0); } char ABST::getVersion() { return getInt8(0); } void ABST::setFlags(uint32_t newFlags) { setInt24(newFlags, 1); } uint32_t ABST::getFlags() { return getInt24(1); } void ABST::setBootstrapinfoVersion(uint32_t newVersion) { setInt32(newVersion, 4); } uint32_t ABST::getBootstrapinfoVersion() { return getInt32(4); } void ABST::setProfile(char newProfile) { //profile = bit 1 and 2 of byte 8. setInt8((getInt8(8) & 0x3F) + ((newProfile & 0x03) << 6), 8); } char ABST::getProfile() { return (getInt8(8) & 0xC0); } ; void ABST::setLive(bool newLive) { //live = bit 4 of byte 8. setInt8((getInt8(8) & 0xDF) + (newLive ? 0x10 : 0), 8); } bool ABST::getLive() { return (getInt8(8) & 0x10); } void ABST::setUpdate(bool newUpdate) { //update = bit 5 of byte 8. setInt8((getInt8(8) & 0xEF) + (newUpdate ? 0x08 : 0), 8); } bool ABST::getUpdate() { return (getInt8(8) & 0x08); } void ABST::setTimeScale(uint32_t newScale) { setInt32(newScale, 9); } uint32_t ABST::getTimeScale() { return getInt32(9); } void ABST::setCurrentMediaTime(uint64_t newTime) { setInt64(newTime, 13); } uint64_t ABST::getCurrentMediaTime() { return getInt64(13); } void ABST::setSmpteTimeCodeOffset(uint64_t newTime) { setInt64(newTime, 21); } uint64_t ABST::getSmpteTimeCodeOffset() { return getInt64(21); } void ABST::setMovieIdentifier(std::string & newIdentifier) { setString(newIdentifier, 29); } char * ABST::getMovieIdentifier() { return getString(29); } uint32_t ABST::getServerEntryCount() { int countLoc = 29 + getStringLen(29) + 1; return getInt8(countLoc); } void ABST::setServerEntry(std::string & newEntry, uint32_t no) { int countLoc = 29 + getStringLen(29) + 1; int tempLoc = countLoc + 1; //attempt to reach the wanted position unsigned int i; for (i = 0; i < getInt8(countLoc) && i < no; ++i) { tempLoc += getStringLen(tempLoc) + 1; } //we are now either at the end, or at the right position //let's reserve any unreserved space... if (no + 1 > getInt8(countLoc)) { int amount = no + 1 - getInt8(countLoc); if (!reserve(payloadOffset + tempLoc, 0, amount)) { return; }; memset(data + payloadOffset + tempLoc, 0, amount); setInt8(no + 1, countLoc); //set new qualityEntryCount tempLoc += no - i; } //now, tempLoc is at position for string number no, and we have at least 1 byte reserved. setString(newEntry, tempLoc); } ///\return Empty string if no > serverEntryCount(), serverEntry[no] otherwise. const char * ABST::getServerEntry(uint32_t no) { if (no + 1 > getServerEntryCount()) { return ""; } int tempLoc = 29 + getStringLen(29) + 1 + 1; //position of first entry for (unsigned int i = 0; i < no; i++) { tempLoc += getStringLen(tempLoc) + 1; } return getString(tempLoc); } uint32_t ABST::getQualityEntryCount() { int countLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { countLoc += getStringLen(countLoc) + 1; } return getInt8(countLoc); } void ABST::setQualityEntry(std::string & newEntry, uint32_t no) { int countLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { countLoc += getStringLen(countLoc) + 1; } int tempLoc = countLoc + 1; //attempt to reach the wanted position unsigned int i; for (i = 0; i < getInt8(countLoc) && i < no; ++i) { tempLoc += getStringLen(tempLoc) + 1; } //we are now either at the end, or at the right position //let's reserve any unreserved space... if (no + 1 > getInt8(countLoc)) { int amount = no + 1 - getInt8(countLoc); if (!reserve(payloadOffset + tempLoc, 0, amount)) { return; }; memset(data + payloadOffset + tempLoc, 0, amount); setInt8(no + 1, countLoc); //set new qualityEntryCount tempLoc += no - i; } //now, tempLoc is at position for string number no, and we have at least 1 byte reserved. setString(newEntry, tempLoc); } const char * ABST::getQualityEntry(uint32_t no) { if (no > getQualityEntryCount()) { return ""; } int tempLoc = 29 + getStringLen(29) + 1 + 1; //position of serverentries; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += 1; //first qualityentry for (unsigned int i = 0; i < no; i++) { tempLoc += getStringLen(tempLoc) + 1; } return getString(tempLoc); } void ABST::setDrmData(std::string newDrm) { uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } setString(newDrm, tempLoc); } char * ABST::getDrmData() { uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } return getString(tempLoc); } void ABST::setMetaData(std::string newMetaData) { uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += getStringLen(tempLoc) + 1; setString(newMetaData, tempLoc); } char * ABST::getMetaData() { uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += getStringLen(tempLoc) + 1; return getString(tempLoc); } uint32_t ABST::getSegmentRunTableCount() { uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += getStringLen(tempLoc) + 1; //DrmData tempLoc += getStringLen(tempLoc) + 1; //MetaData return getInt8(tempLoc); } void ABST::setSegmentRunTable(ASRT & newSegment, uint32_t no) { uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += getStringLen(tempLoc) + 1; //DrmData tempLoc += getStringLen(tempLoc) + 1; //MetaData int countLoc = tempLoc; tempLoc++; //skip segmentRuntableCount //attempt to reach the wanted position unsigned int i; for (i = 0; i < getInt8(countLoc) && i < no; ++i) { tempLoc += getBoxLen(tempLoc); } //we are now either at the end, or at the right position //let's reserve any unreserved space... if (no + 1 > getInt8(countLoc)) { int amount = no + 1 - getInt8(countLoc); if (!reserve(payloadOffset + tempLoc, 0, amount * 8)) { return; }; //set empty erro boxes as contents for (int j = 0; j < amount; ++j) { memcpy(data + payloadOffset + tempLoc + j * 8, "\000\000\000\010erro", 8); } setInt8(no + 1, countLoc); //set new count tempLoc += (no - i) * 8; } //now, tempLoc is at position for string number no, and we have at least an erro box reserved. setBox(newSegment, tempLoc); } ASRT & ABST::getSegmentRunTable(uint32_t no) { static Box result; if (no > getSegmentRunTableCount()) { static Box res; return (ASRT &)res; } uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += getStringLen(tempLoc) + 1; //DrmData tempLoc += getStringLen(tempLoc) + 1; //MetaData tempLoc++; //segmentRuntableCount for (unsigned int i = 0; i < no; ++i) { tempLoc += getBoxLen(tempLoc); } return (ASRT &)getBox(tempLoc); } uint32_t ABST::getFragmentRunTableCount() { uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += getStringLen(tempLoc) + 1; //DrmData tempLoc += getStringLen(tempLoc) + 1; //MetaData for (unsigned int i = getInt8(tempLoc++); i != 0; --i) { tempLoc += getBoxLen(tempLoc); } return getInt8(tempLoc); } void ABST::setFragmentRunTable(AFRT & newFragment, uint32_t no) { uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += getStringLen(tempLoc) + 1; //DrmData tempLoc += getStringLen(tempLoc) + 1; //MetaData for (unsigned int i = getInt8(tempLoc++); i != 0; --i) { tempLoc += getBoxLen(tempLoc); } int countLoc = tempLoc; tempLoc++; //attempt to reach the wanted position unsigned int i; for (i = 0; i < getInt8(countLoc) && i < no; ++i) { tempLoc += getBoxLen(tempLoc); } //we are now either at the end, or at the right position //let's reserve any unreserved space... if (no + 1 > getInt8(countLoc)) { unsigned int amount = no + 1 - getInt8(countLoc); if (!reserve(payloadOffset + tempLoc, 0, amount * 8)) { return; }; //set empty erro boxes as contents for (unsigned int j = 0; j < amount; ++j) { memcpy(data + payloadOffset + tempLoc + j * 8, "\000\000\000\010erro", 8); } setInt8(no + 1, countLoc); //set new count tempLoc += (no - i) * 8; } //now, tempLoc is at position for string number no, and we have at least 1 byte reserved. setBox(newFragment, tempLoc); } AFRT & ABST::getFragmentRunTable(uint32_t no) { static Box result; if (no >= getFragmentRunTableCount()) { static Box res; return (AFRT &)res; } uint32_t tempLoc = 29 + getStringLen(29) + 1 + 1; for (unsigned int i = 0; i < getServerEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc++; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += getStringLen(tempLoc) + 1; //DrmData tempLoc += getStringLen(tempLoc) + 1; //MetaData for (unsigned int i = getInt8(tempLoc++); i != 0; --i) { tempLoc += getBoxLen(tempLoc); } tempLoc++; for (unsigned int i = 0; i < no; i++) { tempLoc += getBoxLen(tempLoc); } return (AFRT &)getBox(tempLoc); } std::string ABST::toPrettyString(uint32_t indent) { std::stringstream r; r << std::string(indent, ' ') << "[abst] Bootstrap Info (" << boxedSize() << ")" << std::endl; r << std::string(indent + 1, ' ') << "Version " << (int)getVersion() << std::endl; r << std::string(indent + 1, ' ') << "BootstrapinfoVersion " << getBootstrapinfoVersion() << std::endl; r << std::string(indent + 1, ' ') << "Profile " << (int)getProfile() << std::endl; if (getLive()) { r << std::string(indent + 1, ' ') << "Live" << std::endl; } else { r << std::string(indent + 1, ' ') << "Recorded" << std::endl; } if (getUpdate()) { r << std::string(indent + 1, ' ') << "Update" << std::endl; } else { r << std::string(indent + 1, ' ') << "Replacement or new table" << std::endl; } r << std::string(indent + 1, ' ') << "Timescale " << getTimeScale() << std::endl; r << std::string(indent + 1, ' ') << "CurrMediaTime " << getCurrentMediaTime() << std::endl; r << std::string(indent + 1, ' ') << "SmpteTimeCodeOffset " << getSmpteTimeCodeOffset() << std::endl; r << std::string(indent + 1, ' ') << "MovieIdentifier " << getMovieIdentifier() << std::endl; r << std::string(indent + 1, ' ') << "ServerEntryTable (" << getServerEntryCount() << ")" << std::endl; for (unsigned int i = 0; i < getServerEntryCount(); i++) { r << std::string(indent + 2, ' ') << i << ": " << getServerEntry(i) << std::endl; } r << std::string(indent + 1, ' ') << "QualityEntryTable (" << getQualityEntryCount() << ")" << std::endl; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { r << std::string(indent + 2, ' ') << i << ": " << getQualityEntry(i) << std::endl; } r << std::string(indent + 1, ' ') << "DrmData " << getDrmData() << std::endl; r << std::string(indent + 1, ' ') << "MetaData " << getMetaData() << std::endl; r << std::string(indent + 1, ' ') << "SegmentRunTableEntries (" << getSegmentRunTableCount() << ")" << std::endl; for (uint32_t i = 0; i < getSegmentRunTableCount(); i++) { r << ((Box)getSegmentRunTable(i)).toPrettyString(indent + 2); } r << std::string(indent + 1, ' ') + "FragmentRunTableEntries (" << getFragmentRunTableCount() << ")" << std::endl; for (uint32_t i = 0; i < getFragmentRunTableCount(); i++) { r << ((Box)getFragmentRunTable(i)).toPrettyString(indent + 2); } return r.str(); } AFRT::AFRT() { memcpy(data + 4, "afrt", 4); setVersion(0); setUpdate(0); setTimeScale(1000); } void AFRT::setVersion(char newVersion) { setInt8(newVersion, 0); } uint32_t AFRT::getVersion() { return getInt8(0); } void AFRT::setUpdate(uint32_t newUpdate) { setInt24(newUpdate, 1); } uint32_t AFRT::getUpdate() { return getInt24(1); } void AFRT::setTimeScale(uint32_t newScale) { setInt32(newScale, 4); } uint32_t AFRT::getTimeScale() { return getInt32(4); } uint32_t AFRT::getQualityEntryCount() { return getInt8(8); } void AFRT::setQualityEntry(std::string & newEntry, uint32_t no) { int countLoc = 8; int tempLoc = countLoc + 1; //attempt to reach the wanted position unsigned int i; for (i = 0; i < getQualityEntryCount() && i < no; ++i) { tempLoc += getStringLen(tempLoc) + 1; } //we are now either at the end, or at the right position //let's reserve any unreserved space... if (no + 1 > getQualityEntryCount()) { int amount = no + 1 - getQualityEntryCount(); if (!reserve(payloadOffset + tempLoc, 0, amount)) { return; }; memset(data + payloadOffset + tempLoc, 0, amount); setInt8(no + 1, countLoc); //set new qualityEntryCount tempLoc += no - i; } //now, tempLoc is at position for string number no, and we have at least 1 byte reserved. setString(newEntry, tempLoc); } const char * AFRT::getQualityEntry(uint32_t no) { if (no + 1 > getQualityEntryCount()) { return ""; } int tempLoc = 9; //position of first quality entry for (unsigned int i = 0; i < no; i++) { tempLoc += getStringLen(tempLoc) + 1; } return getString(tempLoc); } uint32_t AFRT::getFragmentRunCount() { int tempLoc = 9; for (unsigned int i = 0; i < getQualityEntryCount(); ++i) { tempLoc += getStringLen(tempLoc) + 1; } return getInt32(tempLoc); } void AFRT::setFragmentRun(afrt_runtable newRun, uint32_t no) { int tempLoc = 9; for (unsigned int i = 0; i < getQualityEntryCount(); ++i) { tempLoc += getStringLen(tempLoc) + 1; } int countLoc = tempLoc; unsigned int count = getInt32(countLoc); tempLoc += 4; for (unsigned int i = 0; i < no; i++) { if (i + 1 > count) { setInt32(0, tempLoc); setInt64(0, tempLoc + 4); setInt32(1, tempLoc + 12); } if (getInt32(tempLoc + 12) == 0) { tempLoc += 17; } else { tempLoc += 16; } } setInt32(newRun.firstFragment, tempLoc); setInt64(newRun.firstTimestamp, tempLoc + 4); setInt32(newRun.duration, tempLoc + 12); if (newRun.duration == 0) { setInt8(newRun.discontinuity, tempLoc + 16); } if (count < no + 1) { setInt32(no + 1, countLoc); } } afrt_runtable AFRT::getFragmentRun(uint32_t no) { afrt_runtable res; if (no > getFragmentRunCount()) { return res; } int tempLoc = 9; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += 4; for (unsigned int i = 0; i < no; i++) { if (getInt32(tempLoc + 12) == 0) { tempLoc += 17; } else { tempLoc += 16; } } res.firstFragment = getInt32(tempLoc); res.firstTimestamp = getInt64(tempLoc + 4); res.duration = getInt32(tempLoc + 12); if (res.duration) { res.discontinuity = getInt8(tempLoc + 16); } else { res.discontinuity = 0; } return res; } std::string AFRT::toPrettyString(uint32_t indent) { std::stringstream r; r << std::string(indent, ' ') << "[afrt] Fragment Run Table (" << boxedSize() << ")" << std::endl; r << std::string(indent + 1, ' ') << "Version " << (int)getVersion() << std::endl; if (getUpdate()) { r << std::string(indent + 1, ' ') << "Update" << std::endl; } else { r << std::string(indent + 1, ' ') << "Replacement or new table" << std::endl; } r << std::string(indent + 1, ' ') << "Timescale " << getTimeScale() << std::endl; r << std::string(indent + 1, ' ') << "QualitySegmentUrlModifiers (" << getQualityEntryCount() << ")" << std::endl; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { r << std::string(indent + 2, ' ') << i << ": " << getQualityEntry(i) << std::endl; } r << std::string(indent + 1, ' ') << "FragmentRunEntryTable (" << getFragmentRunCount() << ")" << std::endl; for (unsigned int i = 0; i < getFragmentRunCount(); i++) { afrt_runtable myRun = getFragmentRun(i); if (myRun.duration) { r << std::string(indent + 2, ' ') << i << ": " << myRun.firstFragment << " is at " << ((double)myRun.firstTimestamp / (double)getTimeScale()) << "s, " << ((double)myRun.duration / (double)getTimeScale()) << "s per fragment." << std::endl; } else { r << std::string(indent + 2, ' ') << i << ": " << myRun.firstFragment << " is at " << ((double)myRun.firstTimestamp / (double)getTimeScale()) << "s, discontinuity type " << myRun.discontinuity << std::endl; } } return r.str(); } ASRT::ASRT() { memcpy(data + 4, "asrt", 4); setVersion(0); setUpdate(0); } void ASRT::setVersion(char newVersion) { setInt8(newVersion, 0); } uint32_t ASRT::getVersion() { return getInt8(0); } void ASRT::setUpdate(uint32_t newUpdate) { setInt24(newUpdate, 1); } uint32_t ASRT::getUpdate() { return getInt24(1); } uint32_t ASRT::getQualityEntryCount() { return getInt8(4); } void ASRT::setQualityEntry(std::string & newEntry, uint32_t no) { int countLoc = 4; int tempLoc = countLoc + 1; //attempt to reach the wanted position unsigned int i; for (i = 0; i < getQualityEntryCount() && i < no; ++i) { tempLoc += getStringLen(tempLoc) + 1; } //we are now either at the end, or at the right position //let's reserve any unreserved space... if (no + 1 > getQualityEntryCount()) { int amount = no + 1 - getQualityEntryCount(); if (!reserve(payloadOffset + tempLoc, 0, amount)) { return; }; memset(data + payloadOffset + tempLoc, 0, amount); setInt8(no + 1, countLoc); //set new qualityEntryCount tempLoc += no - i; } //now, tempLoc is at position for string number no, and we have at least 1 byte reserved. setString(newEntry, tempLoc); } const char * ASRT::getQualityEntry(uint32_t no) { if (no > getQualityEntryCount()) { return ""; } int tempLoc = 5; //position of qualityentry count; for (unsigned int i = 0; i < no; i++) { tempLoc += getStringLen(tempLoc) + 1; } return getString(tempLoc); } uint32_t ASRT::getSegmentRunEntryCount() { int tempLoc = 5; //position of qualityentry count; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } return getInt32(tempLoc); } void ASRT::setSegmentRun(uint32_t firstSegment, uint32_t fragmentsPerSegment, uint32_t no) { int tempLoc = 5; //position of qualityentry count; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { tempLoc += getStringLen(tempLoc) + 1; } int countLoc = tempLoc; tempLoc += 4 + no * 8; if (no + 1 > getInt32(countLoc)) { setInt32(no + 1, countLoc); //set new qualityEntryCount } setInt32(firstSegment, tempLoc); setInt32(fragmentsPerSegment, tempLoc + 4); } asrt_runtable ASRT::getSegmentRun(uint32_t no) { asrt_runtable res; if (no >= getSegmentRunEntryCount()) { return res; } int tempLoc = 5; //position of qualityentry count; for (unsigned int i = 0; i < getQualityEntryCount(); ++i) { tempLoc += getStringLen(tempLoc) + 1; } tempLoc += 4 + 8 * no; res.firstSegment = getInt32(tempLoc); res.fragmentsPerSegment = getInt32(tempLoc + 4); return res; } std::string ASRT::toPrettyString(uint32_t indent) { std::stringstream r; r << std::string(indent, ' ') << "[asrt] Segment Run Table (" << boxedSize() << ")" << std::endl; r << std::string(indent + 1, ' ') << "Version " << getVersion() << std::endl; if (getUpdate()) { r << std::string(indent + 1, ' ') << "Update" << std::endl; } else { r << std::string(indent + 1, ' ') << "Replacement or new table" << std::endl; } r << std::string(indent + 1, ' ') << "QualityEntryTable (" << getQualityEntryCount() << ")" << std::endl; for (unsigned int i = 0; i < getQualityEntryCount(); i++) { r << std::string(indent + 2, ' ') << i << ": " << getQualityEntry(i) << std::endl; } r << std::string(indent + 1, ' ') << "SegmentRunEntryTable (" << getSegmentRunEntryCount() << ")" << std::endl; for (unsigned int i = 0; i < getSegmentRunEntryCount(); i++) { r << std::string(indent + 2, ' ') << i << ": First=" << getSegmentRun(i).firstSegment << ", FragmentsPerSegment=" << getSegmentRun(i).fragmentsPerSegment << std::endl; } return r.str(); } AFRA::AFRA() { memcpy(data + 4, "afra", 4); setInt32(0, 9); //entrycount = 0 setFlags(0); } void AFRA::setVersion(uint32_t newVersion) { setInt8(newVersion, 0); } uint32_t AFRA::getVersion() { return getInt8(0); } void AFRA::setFlags(uint32_t newFlags) { setInt24(newFlags, 1); } uint32_t AFRA::getFlags() { return getInt24(1); } void AFRA::setLongIDs(bool newVal) { if (newVal) { setInt8((getInt8(4) & 0x7F) + 0x80, 4); } else { setInt8((getInt8(4) & 0x7F), 4); } } bool AFRA::getLongIDs() { return getInt8(4) & 0x80; } void AFRA::setLongOffsets(bool newVal) { if (newVal) { setInt8((getInt8(4) & 0xBF) + 0x40, 4); } else { setInt8((getInt8(4) & 0xBF), 4); } } bool AFRA::getLongOffsets() { return getInt8(4) & 0x40; } void AFRA::setGlobalEntries(bool newVal) { if (newVal) { setInt8((getInt8(4) & 0xDF) + 0x20, 4); } else { setInt8((getInt8(4) & 0xDF), 4); } } bool AFRA::getGlobalEntries() { return getInt8(4) & 0x20; } void AFRA::setTimeScale(uint32_t newVal) { setInt32(newVal, 5); } uint32_t AFRA::getTimeScale() { return getInt32(5); } uint32_t AFRA::getEntryCount() { return getInt32(9); } void AFRA::setEntry(afraentry newEntry, uint32_t no) { int entrysize = 12; if (getLongOffsets()) { entrysize = 16; } setInt64(newEntry.time, 13 + entrysize * no); if (getLongOffsets()) { setInt64(newEntry.offset, 21 + entrysize * no); } else { setInt32(newEntry.offset, 21 + entrysize * no); } if (no + 1 > getEntryCount()) { setInt32(no + 1, 9); } } afraentry AFRA::getEntry(uint32_t no) { afraentry ret; int entrysize = 12; if (getLongOffsets()) { entrysize = 16; } ret.time = getInt64(13 + entrysize * no); if (getLongOffsets()) { ret.offset = getInt64(21 + entrysize * no); } else { ret.offset = getInt32(21 + entrysize * no); } return ret; } uint32_t AFRA::getGlobalEntryCount() { if (!getGlobalEntries()) { return 0; } int entrysize = 12; if (getLongOffsets()) { entrysize = 16; } return getInt32(13 + entrysize * getEntryCount()); } void AFRA::setGlobalEntry(globalafraentry newEntry, uint32_t no) { int offset = 13 + 12 * getEntryCount() + 4; if (getLongOffsets()) { offset = 13 + 16 * getEntryCount() + 4; } int entrysize = 20; if (getLongIDs()) { entrysize += 4; } if (getLongOffsets()) { entrysize += 8; } setInt64(newEntry.time, offset + entrysize * no); if (getLongIDs()) { setInt32(newEntry.segment, offset + entrysize * no + 8); setInt32(newEntry.fragment, offset + entrysize * no + 12); } else { setInt16(newEntry.segment, offset + entrysize * no + 8); setInt16(newEntry.fragment, offset + entrysize * no + 10); } if (getLongOffsets()) { setInt64(newEntry.afraoffset, offset + entrysize * no + entrysize - 16); setInt64(newEntry.offsetfromafra, offset + entrysize * no + entrysize - 8); } else { setInt32(newEntry.afraoffset, offset + entrysize * no + entrysize - 8); setInt32(newEntry.offsetfromafra, offset + entrysize * no + entrysize - 4); } if (getInt32(offset - 4) < no + 1) { setInt32(no + 1, offset - 4); } } globalafraentry AFRA::getGlobalEntry(uint32_t no) { globalafraentry ret; int offset = 13 + 12 * getEntryCount() + 4; if (getLongOffsets()) { offset = 13 + 16 * getEntryCount() + 4; } int entrysize = 20; if (getLongIDs()) { entrysize += 4; } if (getLongOffsets()) { entrysize += 8; } ret.time = getInt64(offset + entrysize * no); if (getLongIDs()) { ret.segment = getInt32(offset + entrysize * no + 8); ret.fragment = getInt32(offset + entrysize * no + 12); } else { ret.segment = getInt16(offset + entrysize * no + 8); ret.fragment = getInt16(offset + entrysize * no + 10); } if (getLongOffsets()) { ret.afraoffset = getInt64(offset + entrysize * no + entrysize - 16); ret.offsetfromafra = getInt64(offset + entrysize * no + entrysize - 8); } else { ret.afraoffset = getInt32(offset + entrysize * no + entrysize - 8); ret.offsetfromafra = getInt32(offset + entrysize * no + entrysize - 4); } return ret; } std::string AFRA::toPrettyString(uint32_t indent) { std::stringstream r; r << std::string(indent, ' ') << "[afra] Fragment Random Access (" << boxedSize() << ")" << std::endl; r << std::string(indent + 1, ' ') << "Version " << getVersion() << std::endl; r << std::string(indent + 1, ' ') << "Flags " << getFlags() << std::endl; r << std::string(indent + 1, ' ') << "Long IDs " << getLongIDs() << std::endl; r << std::string(indent + 1, ' ') << "Long Offsets " << getLongOffsets() << std::endl; r << std::string(indent + 1, ' ') << "Global Entries " << getGlobalEntries() << std::endl; r << std::string(indent + 1, ' ') << "TimeScale " << getTimeScale() << std::endl; uint32_t count = getEntryCount(); r << std::string(indent + 1, ' ') << "Entries (" << count << ") " << std::endl; for (uint32_t i = 0; i < count; ++i) { afraentry tmpent = getEntry(i); r << std::string(indent + 1, ' ') << i << ": Time " << tmpent.time << ", Offset " << tmpent.offset << std::endl; } if (getGlobalEntries()) { count = getGlobalEntryCount(); r << std::string(indent + 1, ' ') << "Global Entries (" << count << ") " << std::endl; for (uint32_t i = 0; i < count; ++i) { globalafraentry tmpent = getGlobalEntry(i); r << std::string(indent + 1, ' ') << i << ": T " << tmpent.time << ", S" << tmpent.segment << "F" << tmpent.fragment << ", " << tmpent.afraoffset << "/" << tmpent.offsetfromafra << std::endl; } } return r.str(); } }