Nieuwe implementatie af, backwards compatibility ruined.
This commit is contained in:
Erik Zandvliet
Thulinma
parent
42ab565381
commit
70e2962d0b
2 changed files with 112 additions and 145 deletions
210
lib/mp4.cpp
210
lib/mp4.cpp
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@ -388,14 +388,14 @@ namespace MP4{
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return r;
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}
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AFTR::AFRT() : Box(0x61667274){
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AFRT::AFRT() : Box("afrt"){
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setVersion( 0 );
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setUpdate( 0 );
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setTimeScale( 1000 );
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}
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void AFRT::setVersion( char newVersion ) {
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setInt8( newVersion ,0 )
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setInt8( newVersion ,0 );
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}
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void AFRT::setUpdate( long newUpdate ) {
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@ -408,155 +408,127 @@ namespace MP4{
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void AFRT::addQualityEntry( std::string newQuality ) {
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qualityModifiers.push_back( newQuality );
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isUpdated = true;
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}
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/*
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void AFRT::AddQualityEntry( std::string Quality, uint32_t Offset ) {
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if(Offset >= QualitySegmentUrlModifiers.size()) {
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QualitySegmentUrlModifiers.resize(Offset+1);
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}
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QualitySegmentUrlModifiers[Offset] = Quality;
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void AFRT::addFragmentRun( long firstFragment, long long int firstTimestamp, long duration, char discontinuity ) {
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fragmentRun newRun;
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newRun.firstFragment = firstFragment;
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newRun.firstTimestamp = firstTimestamp;
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newRun.duration = duration;
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newRun.discontinuity = discontinuity;
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fragmentRunTable.push_back( newRun );
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isUpdated = true;
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}
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void AFRT::AddFragmentRunEntry( uint32_t FirstFragment, uint32_t FirstFragmentTimestamp, uint32_t FragmentsDuration, uint8_t Discontinuity, uint32_t Offset ) {
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if( Offset >= FragmentRunEntryTable.size() ) {
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FragmentRunEntryTable.resize(Offset+1);
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void AFRT::regenerate( ) {
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int myOffset = 8;
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setInt8( qualityModifiers.size(), myOffset );
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myOffset ++;
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//0-terminated string for each entry
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for( std::deque<std::string>::iterator it = qualityModifiers.begin();it != qualityModifiers.end(); it++ ) {
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memcpy( (char*)data.c_str() + myOffset, (*it).c_str(), (*it).size() + 1);
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myOffset += (*it).size() + 1;
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}
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FragmentRunEntryTable[Offset].FirstFragment = FirstFragment;
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FragmentRunEntryTable[Offset].FirstFragmentTimestamp = FirstFragmentTimestamp;
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FragmentRunEntryTable[Offset].FragmentDuration = FragmentsDuration;
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if( FragmentsDuration == 0) {
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FragmentRunEntryTable[Offset].DiscontinuityIndicator = Discontinuity;
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setInt32( fragmentRunTable.size(), myOffset );
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myOffset += 4;
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//table values for each entry
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for( std::deque<fragmentRun>::iterator it = fragmentRunTable.begin();it != fragmentRunTable.end(); it++ ) {
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setInt32( (*it).firstFragment, myOffset );
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myOffset += 4;
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setInt64( (*it).firstTimestamp, myOffset );
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myOffset += 8;
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setInt32( (*it).duration, myOffset );
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myOffset += 4;
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setInt8( (*it).discontinuity, myOffset );
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myOffset += 1;
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}
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}
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void AFRT::SetDefaults( ) {
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SetUpdate( );
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SetTimeScale( );
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}
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void AFRT::SetTimeScale( uint32_t Scale ) {
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curTimeScale = Scale;
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}
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void AFRT::WriteContent( ) {
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std::string serializedQualities = "";
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std::string serializedFragmentEntries = "";
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clear();
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for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
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serializedQualities.append(QualitySegmentUrlModifiers[i].c_str());
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serializedQualities += '\0';
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}
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for( uint32_t i = 0; i < FragmentRunEntryTable.size(); i ++ ) {
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serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FirstFragment),4);
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serializedFragmentEntries.append((char*)Box::uint32_to_uint8(0),4);
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serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FirstFragmentTimestamp),4);
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serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FragmentDuration),4);
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if(FragmentRunEntryTable[i].FragmentDuration == 0) {
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serializedFragmentEntries.append((char*)Box::uint8_to_uint8(FragmentRunEntryTable[i].DiscontinuityIndicator),1);
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}
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}
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uint32_t OffsetFragmentRunEntryCount = 9 + serializedQualities.size();
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SetPayload((uint32_t)serializedFragmentEntries.size(),(uint8_t*)serializedFragmentEntries.c_str(),OffsetFragmentRunEntryCount+4);
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SetPayload((uint32_t)4,Box::uint32_to_uint8(FragmentRunEntryTable.size()),OffsetFragmentRunEntryCount);
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SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),9);
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SetPayload((uint32_t)1,Box::uint8_to_uint8(QualitySegmentUrlModifiers.size()),8);
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SetPayload((uint32_t)4,Box::uint32_to_uint8(curTimeScale),4);
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SetPayload((uint32_t)4,Box::uint32_to_uint8((isUpdate ? 1 : 0)));
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isUpdated = false;
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}
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std::string AFRT::toPrettyString(int indent){
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std::string r;
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r += std::string(indent, ' ')+"Fragment Run Table\n";
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if (isUpdate){
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if (getInt24(1)){
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r += std::string(indent+1, ' ')+"Update\n";
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}else{
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r += std::string(indent+1, ' ')+"Replacement or new table\n";
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}
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r += std::string(indent+1, ' ')+"Timescale "+JSON::Value((long long int)curTimeScale).asString()+"\n";
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r += std::string(indent+1, ' ')+"Qualities "+JSON::Value((long long int)QualitySegmentUrlModifiers.size()).asString()+"\n";
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for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
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r += std::string(indent+2, ' ')+"\""+QualitySegmentUrlModifiers[i]+"\"\n";
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r += std::string(indent+1, ' ')+"Timescale "+JSON::Value((long long int)getInt32(4)).asString()+"\n";
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r += std::string(indent+1, ' ')+"Qualities "+JSON::Value((long long int)qualityModifiers.size()).asString()+"\n";
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for( uint32_t i = 0; i < qualityModifiers.size(); i++ ) {
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r += std::string(indent+2, ' ')+"\""+qualityModifiers[i]+"\"\n";
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}
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r += std::string(indent+1, ' ')+"Fragments "+JSON::Value((long long int)FragmentRunEntryTable.size()).asString()+"\n";
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for( uint32_t i = 0; i < FragmentRunEntryTable.size(); i ++ ) {
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r += std::string(indent+2, ' ')+"Duration "+JSON::Value((long long int)FragmentRunEntryTable[i].FragmentDuration).asString()+", starting at "+JSON::Value((long long int)FragmentRunEntryTable[i].FirstFragment).asString()+" @ "+JSON::Value((long long int)FragmentRunEntryTable[i].FirstFragmentTimestamp).asString();
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r += std::string(indent+1, ' ')+"Fragments "+JSON::Value((long long int)fragmentRunTable.size()).asString()+"\n";
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for( uint32_t i = 0; i < fragmentRunTable.size(); i ++ ) {
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r += std::string(indent+2, ' ')+"Duration "+JSON::Value((long long int)fragmentRunTable[i].duration).asString()+", starting at "+JSON::Value((long long int)fragmentRunTable[i].firstFragment).asString()+" @ "+JSON::Value((long long int)fragmentRunTable[i].firstTimestamp).asString();
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}
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return r;
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}
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void ASRT::SetUpdate( bool Update ) {
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isUpdate = Update;
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ASRT::ASRT() : Box("asrt") {
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setVersion( 0 );
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setUpdate( 0 );
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}
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void ASRT::AddQualityEntry( std::string Quality, uint32_t Offset ) {
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if(Offset >= QualitySegmentUrlModifiers.size()) {
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QualitySegmentUrlModifiers.resize(Offset+1);
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void ASRT::setVersion( char newVersion ) {
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setInt8( newVersion, 0 );
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}
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void ASRT::setUpdate( long newUpdate ) {
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setInt24( newUpdate, 1 );
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}
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void ASRT::addQualityEntry( std::string newQuality ) {
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qualityModifiers.push_back( newQuality );
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isUpdated = true;
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}
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void ASRT::addSegmentRun( long firstSegment, long fragmentsPerSegment ) {
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segmentRun newRun;
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newRun.firstSegment = firstSegment;
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newRun.fragmentsPerSegment = fragmentsPerSegment;
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segmentRunTable.push_back( newRun );
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isUpdated = true;
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}
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void ASRT::regenerate( ) {
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int myOffset = 4;
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setInt8( qualityModifiers.size(), myOffset );
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myOffset ++;
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//0-terminated string for each entry
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for( std::deque<std::string>::iterator it = qualityModifiers.begin();it != qualityModifiers.end(); it++ ) {
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memcpy( (char*)data.c_str() + myOffset, (*it).c_str(), (*it).size() + 1);
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myOffset += (*it).size() + 1;
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}
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QualitySegmentUrlModifiers[Offset] = Quality;
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}
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void ASRT::AddSegmentRunEntry( uint32_t FirstSegment, uint32_t FragmentsPerSegment, uint32_t Offset ) {
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if( Offset >= SegmentRunEntryTable.size() ) {
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SegmentRunEntryTable.resize(Offset+1);
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setInt32( segmentRunTable.size(), myOffset );
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myOffset += 4;
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//table values for each entry
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for( std::deque<segmentRun>::iterator it = segmentRunTable.begin();it != segmentRunTable.end(); it++ ) {
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setInt32( (*it).firstSegment, myOffset );
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myOffset += 4;
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setInt32( (*it).fragmentsPerSegment, myOffset );
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myOffset += 4;
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}
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SegmentRunEntryTable[Offset].FirstSegment = FirstSegment;
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SegmentRunEntryTable[Offset].FragmentsPerSegment = FragmentsPerSegment;
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}
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void ASRT::SetVersion( bool NewVersion ) {
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Version = NewVersion;
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}
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void ASRT::SetDefaults( ) {
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SetUpdate( );
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}
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void ASRT::WriteContent( ) {
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std::string serializedQualities = "";
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ResetPayload( );
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for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
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serializedQualities.append(QualitySegmentUrlModifiers[i].c_str());
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serializedQualities += '\0';
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}
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uint32_t OffsetSegmentRunEntryCount = 5 + serializedQualities.size();
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for( uint32_t i = 0; i < SegmentRunEntryTable.size(); i ++ ) {
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SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable[i].FragmentsPerSegment),(8*i)+OffsetSegmentRunEntryCount+8);
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SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable[i].FirstSegment),(8*i)+OffsetSegmentRunEntryCount+4);
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}
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SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable.size()),OffsetSegmentRunEntryCount);
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SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),5);
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SetPayload((uint32_t)1,Box::uint8_to_uint8(QualitySegmentUrlModifiers.size()),4);
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SetPayload((uint32_t)4,Box::uint32_to_uint8((isUpdate ? 1 : 0)));
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isUpdated = false;
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}
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std::string ASRT::toPrettyString(int indent){
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std::string r;
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r += std::string(indent, ' ')+"Segment Run Table\n";
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if (isUpdate){
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if (getInt24(1)){
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r += std::string(indent+1, ' ')+"Update\n";
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}else{
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r += std::string(indent+1, ' ')+"Replacement or new table\n";
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}
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r += std::string(indent+1, ' ')+"Qualities "+JSON::Value((long long int)QualitySegmentUrlModifiers.size()).asString()+"\n";
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for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
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r += std::string(indent+2, ' ')+"\""+QualitySegmentUrlModifiers[i]+"\"\n";
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r += std::string(indent+1, ' ')+"Qualities "+JSON::Value((long long int)qualityModifiers.size()).asString()+"\n";
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for( uint32_t i = 0; i < qualityModifiers.size(); i++ ) {
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r += std::string(indent+2, ' ')+"\""+qualityModifiers[i]+"\"\n";
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}
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r += std::string(indent+1, ' ')+"Segments "+JSON::Value((long long int)SegmentRunEntryTable.size()).asString()+"\n";
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for( uint32_t i = 0; i < SegmentRunEntryTable.size(); i ++ ) {
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r += std::string(indent+2, ' ')+JSON::Value((long long int)SegmentRunEntryTable[i].FragmentsPerSegment).asString()+" fragments per, starting at "+JSON::Value((long long int)SegmentRunEntryTable[i].FirstSegment).asString();
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r += std::string(indent+1, ' ')+"Segments "+JSON::Value((long long int)segmentRunTable.size()).asString()+"\n";
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for( uint32_t i = 0; i < segmentRunTable.size(); i ++ ) {
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r += std::string(indent+2, ' ')+JSON::Value((long long int)segmentRunTable[i].fragmentsPerSegment).asString()+" fragments per, starting at "+JSON::Value((long long int)segmentRunTable[i].firstSegment).asString();
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}
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return r;
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}
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*/
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};
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47
lib/mp4.h
47
lib/mp4.h
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@ -76,12 +76,12 @@ namespace MP4{
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std::deque<Box *> fragmentTables;
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};//ABST Box
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struct afrt_fragmentrunentry {
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uint32_t FirstFragment;
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uint32_t FirstFragmentTimestamp; //write as uint64_t
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uint32_t FragmentDuration;
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uint8_t DiscontinuityIndicator;//if FragmentDuration == 0
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};//afrt_fragmentrunentry
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struct fragmentRun {
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long firstFragment;
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long long int firstTimestamp;
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long duration;
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char discontinuity;
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};//fragmentRun
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/// AFRT Box class
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@ -92,37 +92,32 @@ namespace MP4{
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void setUpdate( long newUpdate );
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void setTimeScale( long newScale );
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void addQualityEntry( std::string newQuality );
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void AddFragmentRunEntry( uint32_t FirstFragment = 0, uint32_t FirstFragmentTimestamp = 0, uint32_t FragmentsDuration = 1, uint8_t Discontinuity = 0, uint32_t Offset = 0 );
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void WriteContent( );
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void addFragmentRun( long firstFragment, long long int firstTimestamp, long duration, char discontinuity );
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void regenerate( );
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std::string toPrettyString(int indent = 0);
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private:
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std::deque<std::string> qualityModifiers;
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std::deque<afrt_fragmentrunentry> FragmentRunEntryTable;
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std::deque<fragmentRun> fragmentRunTable;
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};//AFRT Box
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struct asrt_segmentrunentry {
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uint32_t FirstSegment;
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uint32_t FragmentsPerSegment;
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};//abst_qualityentry
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struct segmentRun {
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uint32_t firstSegment;
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uint32_t fragmentsPerSegment;
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};//segmentRun
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/// ASRT Box class
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class ASRT : public Box {
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public:
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ASRT() : Box(0x61737274){};
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void SetUpdate( bool Update = false );
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void AddQualityEntry( std::string Quality = "", uint32_t Offset = 0 );
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void AddSegmentRunEntry( uint32_t FirstSegment = 0, uint32_t FragmentsPerSegment = 100, uint32_t Offset = 0 );
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void WriteContent( );
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void SetVersion( bool NewVersion = 0 );
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ASRT();
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void setVersion( char newVersion );
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void setUpdate( long newUpdate );
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void addQualityEntry( std::string newQuality );
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void addSegmentRun( long firstSegment, long fragmentsPerSegment );
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void regenerate();
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std::string toPrettyString(int indent = 0);
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private:
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void SetDefaults( );
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bool isUpdate;
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bool Version;
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std::vector<std::string> QualitySegmentUrlModifiers;
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std::vector<asrt_segmentrunentry> SegmentRunEntryTable;
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Box * Container;
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std::deque<std::string> qualityModifiers;
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std::deque<segmentRun> segmentRunTable;
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};//ASRT Box
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};
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