MP4::Box rewritten
This commit is contained in:
Erik Zandvliet
Thulinma
parent
2c7edafc42
commit
07faa64075
2 changed files with 440 additions and 418 deletions
842
lib/mp4.cpp
842
lib/mp4.cpp
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@ -7,443 +7,465 @@
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/// Contains all MP4 format related code.
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/// Contains all MP4 format related code.
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namespace MP4{
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namespace MP4{
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Box::Box() {
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Box::Box(size_t size) {
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Payload = (uint8_t *)malloc(8);
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data.resize( size + 8 );
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PayloadSize = 0;
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memset( (char*)data.c_str(), 0, size + 8 );
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}
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Box::Box(uint32_t BoxType) {
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Payload = (uint8_t *)malloc(8);
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SetBoxType(BoxType);
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PayloadSize = 0;
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}
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Box::Box(uint8_t * Content, uint32_t length) {
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PayloadSize = length-8;
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Payload = (uint8_t *)malloc(length);
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memcpy(Payload, Content, length);
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}
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Box::~Box() {
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if (Payload) free(Payload);
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}
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void Box::SetBoxType(uint32_t BoxType) {
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((unsigned int*)Payload)[1] = htonl(BoxType);
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}
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uint32_t Box::GetBoxType() {
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return ntohl(((unsigned int*)Payload)[1]);
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}
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void Box::SetPayload(uint32_t Size, uint8_t * Data, uint32_t Index) {
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if ( Index + Size > PayloadSize ) {
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PayloadSize = Index + Size;
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((unsigned int*)Payload)[0] = htonl(PayloadSize+8);
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Payload = (uint8_t *)realloc(Payload, PayloadSize + 8);
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}
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}
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memcpy(Payload + 8 + Index, Data, Size);
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}
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uint32_t Box::GetPayloadSize() {
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Box::Box( char* BoxType, size_t size ) {
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return PayloadSize;
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data.resize( size + 8 );
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}
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memset( (char*)data.c_str(), 0, size + 8 );
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memcpy( (char*)data.c_str() + 4, BoxType, 4 );
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uint8_t * Box::GetPayload() {
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return Payload+8;
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}
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uint8_t * Box::GetPayload(uint32_t Index, uint32_t & Size) {
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if(Index > PayloadSize) {Size = 0;}
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if(Index + Size > PayloadSize) { Size = PayloadSize - Index; }
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return Payload + 8 + Index;
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}
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uint32_t Box::GetBoxedDataSize() {
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return ntohl(((unsigned int*)Payload)[0]);
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}
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uint8_t * Box::GetBoxedData( ) {
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return Payload;
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}
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uint8_t * Box::uint32_to_uint8( uint32_t data ) {
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uint8_t * temp = new uint8_t[4];
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temp[0] = (data >> 24) & 0x000000FF;
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temp[1] = (data >> 16 ) & 0x000000FF;
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temp[2] = (data >> 8 ) & 0x000000FF;
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temp[3] = (data ) & 0x000000FF;
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return temp;
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}
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uint8_t * Box::uint16_to_uint8( uint16_t data ) {
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uint8_t * temp = new uint8_t[2];
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temp[0] = (data >> 8) & 0x00FF;
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temp[1] = (data ) & 0x00FF;
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return temp;
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}
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uint8_t * Box::uint8_to_uint8( uint8_t data ) {
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uint8_t * temp = new uint8_t[1];
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temp[0] = data;
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return temp;
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}
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void Box::ResetPayload( ) {
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PayloadSize = 0;
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Payload = (uint8_t *)realloc(Payload, PayloadSize + 8);
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((unsigned int*)Payload)[0] = htonl(0);
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}
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std::string Box::toPrettyString(int indent){
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return std::string(indent, ' ')+"Unimplemented pretty-printing for this box";
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}
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void ABST::SetBootstrapVersion( uint32_t Version ) {
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curBootstrapInfoVersion = Version;
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}
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void ABST::SetProfile( uint8_t Profile ) {
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curProfile = Profile;
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}
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void ABST::SetLive( bool Live ) {
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isLive = Live;
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}
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void ABST::SetUpdate( bool Update ) {
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isUpdate = Update;
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}
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void ABST::SetTimeScale( uint32_t Scale ) {
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curTimeScale = Scale;
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}
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void ABST::SetMediaTime( uint32_t Time ) {
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curMediatime = Time;
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}
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void ABST::SetSMPTE( uint32_t Smpte ) {
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curSMPTE = Smpte;
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}
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void ABST::SetMovieIdentifier( std::string Identifier ) {
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curMovieIdentifier = Identifier;
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}
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void ABST::SetDRM( std::string Drm ) {
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curDRM = Drm;
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}
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void ABST::SetMetaData( std::string MetaData ) {
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curMetaData = MetaData;
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}
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void ABST::AddServerEntry( std::string Url, uint32_t Offset ) {
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if(Offset >= Servers.size()) {
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Servers.resize(Offset+1);
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}
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}
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Servers[Offset].ServerBaseUrl = Url;
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}
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void ABST::AddQualityEntry( std::string Quality, uint32_t Offset ) {
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Box::Box( std::string & newData ) {
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if(Offset >= Qualities.size()) {
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if( !read( newData ) ) {
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Qualities.resize(Offset+1);
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clear();
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}
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Qualities[Offset].QualityModifier = Quality;
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}
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void ABST::AddSegmentRunTable( Box * newSegment, uint32_t Offset ) {
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if( Offset >= SegmentRunTables.size() ) {
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SegmentRunTables.resize(Offset+1);
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}
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if( SegmentRunTables[Offset] ) {
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delete SegmentRunTables[Offset];
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}
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SegmentRunTables[Offset] = newSegment;
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}
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void ABST::AddFragmentRunTable( Box * newFragment, uint32_t Offset ) {
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if( Offset >= FragmentRunTables.size() ) {
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FragmentRunTables.resize(Offset+1);
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}
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if( FragmentRunTables[Offset] ) {
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delete FragmentRunTables[Offset];
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}
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FragmentRunTables[Offset] = newFragment;
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}
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void ABST::SetDefaults( ) {
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SetProfile( );
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SetLive( );
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SetUpdate( );
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SetTimeScale( );
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SetMediaTime( );
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SetSMPTE( );
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SetMovieIdentifier( );
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SetDRM( );
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SetMetaData( );
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SetVersion( );
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}
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void ABST::SetVersion( bool NewVersion) {
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Version = NewVersion;
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}
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void ABST::SetReserved( ) {
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SetPayload((uint32_t)4,Box::uint32_to_uint8(0));
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}
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void ABST::WriteContent( ) {
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Box * current;
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std::string serializedServers = "";
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std::string serializedQualities = "";
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std::string serializedSegments = "";
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std::string serializedFragments = "";
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int SegmentAmount = 0;
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int FragmentAmount = 0;
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uint8_t * temp = new uint8_t[1];
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ResetPayload( );
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SetReserved( );
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for( uint32_t i = 0; i < Servers.size(); i++ ) {
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serializedServers.append(Servers[i].ServerBaseUrl.c_str());
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serializedServers += '\0';
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}
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for( uint32_t i = 0; i < Qualities.size(); i++ ) {
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serializedQualities.append(Qualities[i].QualityModifier.c_str());
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serializedQualities += '\0';
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}
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for( uint32_t i = 0; i < SegmentRunTables.size(); i++ ) {
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current=SegmentRunTables[i];
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if( current ) {
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SegmentAmount ++;
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serializedSegments.append((char*)current->GetBoxedData(),current->GetBoxedDataSize());
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}
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}
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}
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}
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for( uint32_t i = 0; i < FragmentRunTables.size(); i++ ) {
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current=FragmentRunTables[i];
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Box::~Box() { }
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if( current ) {
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FragmentAmount ++;
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std::string Box::getType() {
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serializedFragments.append((char*)current->GetBoxedData(),current->GetBoxedDataSize());
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return data.substr(4,4);
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}
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bool Box::isType( char* boxType ) {
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return !memcmp( boxType, data.c_str() + 4, 4 );
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}
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bool Box::read(std::string & newData) {
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if( newData.size() > 4 ) {
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size_t size = ntohl( ((int*)newData.c_str())[0] );
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if( newData.size() > size + 8 ) {
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data = newData.substr( 0, size + 8 );
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newData.erase( 0, size + 8 );
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return true;
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}
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}
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return false;
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}
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size_t Box::boxedSize() {
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return data.size();
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}
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size_t Box::payloadSize() {
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return data.size() - 8;
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}
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std::string & Box::asBox() {
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((int*)data.c_str())[0] = htonl( data.size() );
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return data;
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}
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void Box::clear() {
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data.resize( 8 );
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}
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std::string Box::toPrettyString(int indent){
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return std::string(indent, ' ')+"Unimplemented pretty-printing for this box";
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}
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void Box::setInt8( char newData, size_t index ) {
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index += 8;
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if( index > data.size() ) {
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data.resize( index );
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}
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data[index] = newData;
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}
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void Box::setInt16( short newData, size_t index ) {
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index += 8;
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if( index + 1 > data.size() ) {
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data.resize( index + 1 );
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}
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newData = htons( newData );
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memcpy( (char*)data.c_str() + index, (char*)newData, 2 );
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}
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void Box::setInt32( long newData, size_t index ) {
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index += 8;
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if( index + 3 > data.size() ) {
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data.resize( index + 3 );
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}
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newData = htonl( newData );
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memcpy( (char*)data.c_str() + index, (char*)newData, 4 );
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}
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void Box::setInt64( long long int newData, size_t index ) {
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index += 8;
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if( index + 7 > data.size() ) {
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data.resize( index + 7 );
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}
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data[index] = ( newData * 0xFF00000000000000 ) >> 56;
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data[index+1] = ( newData * 0x00FF000000000000 ) >> 48;
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data[index+2] = ( newData * 0x0000FF0000000000 ) >> 40;
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data[index+3] = ( newData * 0x000000FF00000000 ) >> 32;
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data[index+4] = ( newData * 0x00000000FF000000 ) >> 24;
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data[index+5] = ( newData * 0x0000000000FF0000 ) >> 16;
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data[index+6] = ( newData * 0x000000000000FF00 ) >> 8;
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data[index+7] = ( newData * 0x00000000000000FF );
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}
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void Box::setString(std::string newData, size_t index ) {
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setString( (char*)newData.c_str(), newData.size(), index );
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}
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void Box::setString(char* newData, size_t size, size_t index ) {
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index += 8;
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if( index + size > data.size() ) {
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data.resize( index + size );
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}
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memcpy( (char*)data.c_str() + index, newData, size );
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}
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/*
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void ABST::SetBootstrapVersion( uint32_t Version ) {
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curBootstrapInfoVersion = Version;
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}
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void ABST::SetProfile( uint8_t Profile ) {
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curProfile = Profile;
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}
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void ABST::SetLive( bool Live ) {
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isLive = Live;
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}
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void ABST::SetUpdate( bool Update ) {
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isUpdate = Update;
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}
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void ABST::SetTimeScale( uint32_t Scale ) {
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curTimeScale = Scale;
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}
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void ABST::SetMediaTime( uint32_t Time ) {
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curMediatime = Time;
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}
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void ABST::SetSMPTE( uint32_t Smpte ) {
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curSMPTE = Smpte;
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}
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void ABST::SetMovieIdentifier( std::string Identifier ) {
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curMovieIdentifier = Identifier;
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}
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void ABST::SetDRM( std::string Drm ) {
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curDRM = Drm;
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}
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void ABST::SetMetaData( std::string MetaData ) {
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curMetaData = MetaData;
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}
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void ABST::AddServerEntry( std::string Url, uint32_t Offset ) {
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if(Offset >= Servers.size()) {
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Servers.resize(Offset+1);
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}
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Servers[Offset].ServerBaseUrl = Url;
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}
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void ABST::AddQualityEntry( std::string Quality, uint32_t Offset ) {
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if(Offset >= Qualities.size()) {
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Qualities.resize(Offset+1);
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}
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Qualities[Offset].QualityModifier = Quality;
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}
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void ABST::AddSegmentRunTable( Box * newSegment, uint32_t Offset ) {
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if( Offset >= SegmentRunTables.size() ) {
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SegmentRunTables.resize(Offset+1);
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}
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if( SegmentRunTables[Offset] ) {
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delete SegmentRunTables[Offset];
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}
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SegmentRunTables[Offset] = newSegment;
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}
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void ABST::AddFragmentRunTable( Box * newFragment, uint32_t Offset ) {
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if( Offset >= FragmentRunTables.size() ) {
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FragmentRunTables.resize(Offset+1);
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}
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if( FragmentRunTables[Offset] ) {
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delete FragmentRunTables[Offset];
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}
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FragmentRunTables[Offset] = newFragment;
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}
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void ABST::SetDefaults( ) {
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SetProfile( );
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|
SetLive( );
|
||||||
|
SetUpdate( );
|
||||||
|
SetTimeScale( );
|
||||||
|
SetMediaTime( );
|
||||||
|
SetSMPTE( );
|
||||||
|
SetMovieIdentifier( );
|
||||||
|
SetDRM( );
|
||||||
|
SetMetaData( );
|
||||||
|
SetVersion( );
|
||||||
|
}
|
||||||
|
|
||||||
|
void ABST::SetVersion( bool NewVersion) {
|
||||||
|
Version = NewVersion;
|
||||||
|
}
|
||||||
|
|
||||||
|
void ABST::SetReserved( ) {
|
||||||
|
SetInt32(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
void ABST::WriteContent( ) {
|
||||||
|
Box * current;
|
||||||
|
std::string serializedServers = "";
|
||||||
|
std::string serializedQualities = "";
|
||||||
|
std::string serializedSegments = "";
|
||||||
|
std::string serializedFragments = "";
|
||||||
|
int SegmentAmount = 0;
|
||||||
|
int FragmentAmount = 0;
|
||||||
|
uint8_t * temp = new uint8_t[1];
|
||||||
|
|
||||||
|
clear( );
|
||||||
|
SetReserved( );
|
||||||
|
|
||||||
|
for( uint32_t i = 0; i < Servers.size(); i++ ) {
|
||||||
|
serializedServers.append(Servers[i].ServerBaseUrl.c_str());
|
||||||
|
serializedServers += '\0';
|
||||||
|
}
|
||||||
|
for( uint32_t i = 0; i < Qualities.size(); i++ ) {
|
||||||
|
serializedQualities.append(Qualities[i].QualityModifier.c_str());
|
||||||
|
serializedQualities += '\0';
|
||||||
|
}
|
||||||
|
for( uint32_t i = 0; i < SegmentRunTables.size(); i++ ) {
|
||||||
|
current=SegmentRunTables[i];
|
||||||
|
if( current ) {
|
||||||
|
SegmentAmount ++;
|
||||||
|
serializedSegments.append((char*)current->GetBoxedData(),current->GetBoxedDataSize());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
for( uint32_t i = 0; i < FragmentRunTables.size(); i++ ) {
|
||||||
|
current=FragmentRunTables[i];
|
||||||
|
if( current ) {
|
||||||
|
FragmentAmount ++;
|
||||||
|
serializedFragments.append((char*)current->GetBoxedData(),current->GetBoxedDataSize());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
uint32_t OffsetServerEntryCount = 29 + curMovieIdentifier.size() + 1;
|
||||||
|
uint32_t OffsetQualityEntryCount = OffsetServerEntryCount + 1 + serializedServers.size();
|
||||||
|
uint32_t OffsetDrmData = OffsetQualityEntryCount + 1 + serializedQualities.size();
|
||||||
|
uint32_t OffsetMetaData = OffsetDrmData + curDRM.size() + 1;
|
||||||
|
uint32_t OffsetSegmentRuntableCount = OffsetMetaData + curMetaData.size() + 1;
|
||||||
|
uint32_t OffsetFragmentRuntableCount = OffsetSegmentRuntableCount + 1 + serializedSegments.size();
|
||||||
|
|
||||||
|
temp[0] = 0 + ( curProfile << 6 ) + ( (uint8_t)isLive << 7 ) + ( (uint8_t)isUpdate << 7 );
|
||||||
|
|
||||||
|
SetPayload((uint32_t)serializedFragments.size(),(uint8_t*)serializedFragments.c_str(),OffsetFragmentRuntableCount+1);
|
||||||
|
SetPayload((uint32_t)1,Box::uint8_to_uint8(FragmentAmount),OffsetFragmentRuntableCount);
|
||||||
|
SetPayload((uint32_t)serializedSegments.size(),(uint8_t*)serializedSegments.c_str(),OffsetSegmentRuntableCount+1);
|
||||||
|
SetPayload((uint32_t)1,Box::uint8_to_uint8(SegmentAmount),OffsetSegmentRuntableCount);
|
||||||
|
SetPayload((uint32_t)curMetaData.size()+1,(uint8_t*)curMetaData.c_str(),OffsetMetaData);
|
||||||
|
SetPayload((uint32_t)curDRM.size()+1,(uint8_t*)curDRM.c_str(),OffsetDrmData);
|
||||||
|
SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),OffsetQualityEntryCount+1);
|
||||||
|
SetPayload((uint32_t)1,Box::uint8_to_uint8(Qualities.size()),OffsetQualityEntryCount);
|
||||||
|
SetPayload((uint32_t)serializedServers.size(),(uint8_t*)serializedServers.c_str(),OffsetServerEntryCount+1);
|
||||||
|
SetPayload((uint32_t)1,Box::uint8_to_uint8(Servers.size()),OffsetServerEntryCount);
|
||||||
|
SetPayload((uint32_t)curMovieIdentifier.size()+1,(uint8_t*)curMovieIdentifier.c_str(),29);//+1 for \0-terminated string...
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(curSMPTE),25);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(0),21);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(curMediatime),17);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(0),13);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(curTimeScale),9);
|
||||||
|
SetPayload((uint32_t)1,temp,8);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(curBootstrapInfoVersion),4);
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string ABST::toPrettyString(int indent){
|
||||||
|
std::string r;
|
||||||
|
r += std::string(indent, ' ')+"Bootstrap Info\n";
|
||||||
|
if (isUpdate){
|
||||||
|
r += std::string(indent+1, ' ')+"Update\n";
|
||||||
|
}else{
|
||||||
|
r += std::string(indent+1, ' ')+"Replacement or new table\n";
|
||||||
|
}
|
||||||
|
if (isLive){
|
||||||
|
r += std::string(indent+1, ' ')+"Live\n";
|
||||||
|
}else{
|
||||||
|
r += std::string(indent+1, ' ')+"Recorded\n";
|
||||||
|
}
|
||||||
|
r += std::string(indent+1, ' ')+"Profile "+JSON::Value((long long int)curProfile).asString()+"\n";
|
||||||
|
r += std::string(indent+1, ' ')+"Timescale "+JSON::Value((long long int)curTimeScale).asString()+"\n";
|
||||||
|
r += std::string(indent+1, ' ')+"CurrMediaTime "+JSON::Value((long long int)curMediatime).asString()+"\n";
|
||||||
|
r += std::string(indent+1, ' ')+"Segment Run Tables "+JSON::Value((long long int)SegmentRunTables.size()).asString()+"\n";
|
||||||
|
for( uint32_t i = 0; i < SegmentRunTables.size(); i++ ) {
|
||||||
|
r += ((ASRT*)SegmentRunTables[i])->toPrettyString(indent+2)+"\n";
|
||||||
|
}
|
||||||
|
r += std::string(indent+1, ' ')+"Fragment Run Tables "+JSON::Value((long long int)FragmentRunTables.size()).asString()+"\n";
|
||||||
|
for( uint32_t i = 0; i < FragmentRunTables.size(); i++ ) {
|
||||||
|
r += ((AFRT*)FragmentRunTables[i])->toPrettyString(indent+2)+"\n";
|
||||||
|
}
|
||||||
|
return r;
|
||||||
|
}
|
||||||
|
|
||||||
|
void AFRT::SetUpdate( bool Update ) {
|
||||||
|
isUpdate = Update;
|
||||||
|
}
|
||||||
|
|
||||||
|
void AFRT::AddQualityEntry( std::string Quality, uint32_t Offset ) {
|
||||||
|
if(Offset >= QualitySegmentUrlModifiers.size()) {
|
||||||
|
QualitySegmentUrlModifiers.resize(Offset+1);
|
||||||
|
}
|
||||||
|
QualitySegmentUrlModifiers[Offset] = Quality;
|
||||||
|
}
|
||||||
|
|
||||||
|
void AFRT::AddFragmentRunEntry( uint32_t FirstFragment, uint32_t FirstFragmentTimestamp, uint32_t FragmentsDuration, uint8_t Discontinuity, uint32_t Offset ) {
|
||||||
|
if( Offset >= FragmentRunEntryTable.size() ) {
|
||||||
|
FragmentRunEntryTable.resize(Offset+1);
|
||||||
|
}
|
||||||
|
FragmentRunEntryTable[Offset].FirstFragment = FirstFragment;
|
||||||
|
FragmentRunEntryTable[Offset].FirstFragmentTimestamp = FirstFragmentTimestamp;
|
||||||
|
FragmentRunEntryTable[Offset].FragmentDuration = FragmentsDuration;
|
||||||
|
if( FragmentsDuration == 0) {
|
||||||
|
FragmentRunEntryTable[Offset].DiscontinuityIndicator = Discontinuity;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
uint32_t OffsetServerEntryCount = 29 + curMovieIdentifier.size() + 1;
|
|
||||||
uint32_t OffsetQualityEntryCount = OffsetServerEntryCount + 1 + serializedServers.size();
|
|
||||||
uint32_t OffsetDrmData = OffsetQualityEntryCount + 1 + serializedQualities.size();
|
|
||||||
uint32_t OffsetMetaData = OffsetDrmData + curDRM.size() + 1;
|
|
||||||
uint32_t OffsetSegmentRuntableCount = OffsetMetaData + curMetaData.size() + 1;
|
|
||||||
uint32_t OffsetFragmentRuntableCount = OffsetSegmentRuntableCount + 1 + serializedSegments.size();
|
|
||||||
|
|
||||||
temp[0] = 0 + ( curProfile << 6 ) + ( (uint8_t)isLive << 7 ) + ( (uint8_t)isUpdate << 7 );
|
|
||||||
|
|
||||||
SetPayload((uint32_t)serializedFragments.size(),(uint8_t*)serializedFragments.c_str(),OffsetFragmentRuntableCount+1);
|
|
||||||
SetPayload((uint32_t)1,Box::uint8_to_uint8(FragmentAmount),OffsetFragmentRuntableCount);
|
|
||||||
SetPayload((uint32_t)serializedSegments.size(),(uint8_t*)serializedSegments.c_str(),OffsetSegmentRuntableCount+1);
|
|
||||||
SetPayload((uint32_t)1,Box::uint8_to_uint8(SegmentAmount),OffsetSegmentRuntableCount);
|
|
||||||
SetPayload((uint32_t)curMetaData.size()+1,(uint8_t*)curMetaData.c_str(),OffsetMetaData);
|
|
||||||
SetPayload((uint32_t)curDRM.size()+1,(uint8_t*)curDRM.c_str(),OffsetDrmData);
|
|
||||||
SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),OffsetQualityEntryCount+1);
|
|
||||||
SetPayload((uint32_t)1,Box::uint8_to_uint8(Qualities.size()),OffsetQualityEntryCount);
|
|
||||||
SetPayload((uint32_t)serializedServers.size(),(uint8_t*)serializedServers.c_str(),OffsetServerEntryCount+1);
|
|
||||||
SetPayload((uint32_t)1,Box::uint8_to_uint8(Servers.size()),OffsetServerEntryCount);
|
|
||||||
SetPayload((uint32_t)curMovieIdentifier.size()+1,(uint8_t*)curMovieIdentifier.c_str(),29);//+1 for \0-terminated string...
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(curSMPTE),25);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(0),21);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(curMediatime),17);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(0),13);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(curTimeScale),9);
|
|
||||||
SetPayload((uint32_t)1,temp,8);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(curBootstrapInfoVersion),4);
|
|
||||||
}
|
|
||||||
|
|
||||||
std::string ABST::toPrettyString(int indent){
|
void AFRT::SetDefaults( ) {
|
||||||
std::string r;
|
SetUpdate( );
|
||||||
r += std::string(indent, ' ')+"Bootstrap Info\n";
|
SetTimeScale( );
|
||||||
if (isUpdate){
|
|
||||||
r += std::string(indent+1, ' ')+"Update\n";
|
|
||||||
}else{
|
|
||||||
r += std::string(indent+1, ' ')+"Replacement or new table\n";
|
|
||||||
}
|
}
|
||||||
if (isLive){
|
|
||||||
r += std::string(indent+1, ' ')+"Live\n";
|
|
||||||
}else{
|
|
||||||
r += std::string(indent+1, ' ')+"Recorded\n";
|
|
||||||
}
|
|
||||||
r += std::string(indent+1, ' ')+"Profile "+JSON::Value((long long int)curProfile).asString()+"\n";
|
|
||||||
r += std::string(indent+1, ' ')+"Timescale "+JSON::Value((long long int)curTimeScale).asString()+"\n";
|
|
||||||
r += std::string(indent+1, ' ')+"CurrMediaTime "+JSON::Value((long long int)curMediatime).asString()+"\n";
|
|
||||||
r += std::string(indent+1, ' ')+"Segment Run Tables "+JSON::Value((long long int)SegmentRunTables.size()).asString()+"\n";
|
|
||||||
for( uint32_t i = 0; i < SegmentRunTables.size(); i++ ) {
|
|
||||||
r += ((ASRT*)SegmentRunTables[i])->toPrettyString(indent+2)+"\n";
|
|
||||||
}
|
|
||||||
r += std::string(indent+1, ' ')+"Fragment Run Tables "+JSON::Value((long long int)FragmentRunTables.size()).asString()+"\n";
|
|
||||||
for( uint32_t i = 0; i < FragmentRunTables.size(); i++ ) {
|
|
||||||
r += ((AFRT*)FragmentRunTables[i])->toPrettyString(indent+2)+"\n";
|
|
||||||
}
|
|
||||||
return r;
|
|
||||||
}
|
|
||||||
|
|
||||||
void AFRT::SetUpdate( bool Update ) {
|
void AFRT::SetTimeScale( uint32_t Scale ) {
|
||||||
isUpdate = Update;
|
curTimeScale = Scale;
|
||||||
}
|
|
||||||
|
|
||||||
void AFRT::AddQualityEntry( std::string Quality, uint32_t Offset ) {
|
|
||||||
if(Offset >= QualitySegmentUrlModifiers.size()) {
|
|
||||||
QualitySegmentUrlModifiers.resize(Offset+1);
|
|
||||||
}
|
}
|
||||||
QualitySegmentUrlModifiers[Offset] = Quality;
|
|
||||||
}
|
|
||||||
|
|
||||||
void AFRT::AddFragmentRunEntry( uint32_t FirstFragment, uint32_t FirstFragmentTimestamp, uint32_t FragmentsDuration, uint8_t Discontinuity, uint32_t Offset ) {
|
void AFRT::WriteContent( ) {
|
||||||
if( Offset >= FragmentRunEntryTable.size() ) {
|
std::string serializedQualities = "";
|
||||||
FragmentRunEntryTable.resize(Offset+1);
|
std::string serializedFragmentEntries = "";
|
||||||
}
|
clear();
|
||||||
FragmentRunEntryTable[Offset].FirstFragment = FirstFragment;
|
|
||||||
FragmentRunEntryTable[Offset].FirstFragmentTimestamp = FirstFragmentTimestamp;
|
for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
|
||||||
FragmentRunEntryTable[Offset].FragmentDuration = FragmentsDuration;
|
serializedQualities.append(QualitySegmentUrlModifiers[i].c_str());
|
||||||
if( FragmentsDuration == 0) {
|
serializedQualities += '\0';
|
||||||
FragmentRunEntryTable[Offset].DiscontinuityIndicator = Discontinuity;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void AFRT::SetDefaults( ) {
|
|
||||||
SetUpdate( );
|
|
||||||
SetTimeScale( );
|
|
||||||
}
|
|
||||||
|
|
||||||
void AFRT::SetTimeScale( uint32_t Scale ) {
|
|
||||||
curTimeScale = Scale;
|
|
||||||
}
|
|
||||||
|
|
||||||
void AFRT::WriteContent( ) {
|
|
||||||
std::string serializedQualities = "";
|
|
||||||
std::string serializedFragmentEntries = "";
|
|
||||||
ResetPayload( );
|
|
||||||
|
|
||||||
for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
|
|
||||||
serializedQualities.append(QualitySegmentUrlModifiers[i].c_str());
|
|
||||||
serializedQualities += '\0';
|
|
||||||
}
|
|
||||||
for( uint32_t i = 0; i < FragmentRunEntryTable.size(); i ++ ) {
|
|
||||||
serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FirstFragment),4);
|
|
||||||
serializedFragmentEntries.append((char*)Box::uint32_to_uint8(0),4);
|
|
||||||
serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FirstFragmentTimestamp),4);
|
|
||||||
serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FragmentDuration),4);
|
|
||||||
if(FragmentRunEntryTable[i].FragmentDuration == 0) {
|
|
||||||
serializedFragmentEntries.append((char*)Box::uint8_to_uint8(FragmentRunEntryTable[i].DiscontinuityIndicator),1);
|
|
||||||
}
|
}
|
||||||
|
for( uint32_t i = 0; i < FragmentRunEntryTable.size(); i ++ ) {
|
||||||
|
serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FirstFragment),4);
|
||||||
|
serializedFragmentEntries.append((char*)Box::uint32_to_uint8(0),4);
|
||||||
|
serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FirstFragmentTimestamp),4);
|
||||||
|
serializedFragmentEntries.append((char*)Box::uint32_to_uint8(FragmentRunEntryTable[i].FragmentDuration),4);
|
||||||
|
if(FragmentRunEntryTable[i].FragmentDuration == 0) {
|
||||||
|
serializedFragmentEntries.append((char*)Box::uint8_to_uint8(FragmentRunEntryTable[i].DiscontinuityIndicator),1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
uint32_t OffsetFragmentRunEntryCount = 9 + serializedQualities.size();
|
||||||
|
|
||||||
|
SetPayload((uint32_t)serializedFragmentEntries.size(),(uint8_t*)serializedFragmentEntries.c_str(),OffsetFragmentRunEntryCount+4);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(FragmentRunEntryTable.size()),OffsetFragmentRunEntryCount);
|
||||||
|
SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),9);
|
||||||
|
SetPayload((uint32_t)1,Box::uint8_to_uint8(QualitySegmentUrlModifiers.size()),8);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(curTimeScale),4);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8((isUpdate ? 1 : 0)));
|
||||||
}
|
}
|
||||||
|
|
||||||
uint32_t OffsetFragmentRunEntryCount = 9 + serializedQualities.size();
|
|
||||||
|
|
||||||
SetPayload((uint32_t)serializedFragmentEntries.size(),(uint8_t*)serializedFragmentEntries.c_str(),OffsetFragmentRunEntryCount+4);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(FragmentRunEntryTable.size()),OffsetFragmentRunEntryCount);
|
|
||||||
SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),9);
|
|
||||||
SetPayload((uint32_t)1,Box::uint8_to_uint8(QualitySegmentUrlModifiers.size()),8);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(curTimeScale),4);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8((isUpdate ? 1 : 0)));
|
|
||||||
}
|
|
||||||
|
|
||||||
std::string AFRT::toPrettyString(int indent){
|
std::string AFRT::toPrettyString(int indent){
|
||||||
std::string r;
|
std::string r;
|
||||||
r += std::string(indent, ' ')+"Fragment Run Table\n";
|
r += std::string(indent, ' ')+"Fragment Run Table\n";
|
||||||
if (isUpdate){
|
if (isUpdate){
|
||||||
r += std::string(indent+1, ' ')+"Update\n";
|
r += std::string(indent+1, ' ')+"Update\n";
|
||||||
}else{
|
}else{
|
||||||
r += std::string(indent+1, ' ')+"Replacement or new table\n";
|
r += std::string(indent+1, ' ')+"Replacement or new table\n";
|
||||||
|
}
|
||||||
|
r += std::string(indent+1, ' ')+"Timescale "+JSON::Value((long long int)curTimeScale).asString()+"\n";
|
||||||
|
r += std::string(indent+1, ' ')+"Qualities "+JSON::Value((long long int)QualitySegmentUrlModifiers.size()).asString()+"\n";
|
||||||
|
for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
|
||||||
|
r += std::string(indent+2, ' ')+"\""+QualitySegmentUrlModifiers[i]+"\"\n";
|
||||||
|
}
|
||||||
|
r += std::string(indent+1, ' ')+"Fragments "+JSON::Value((long long int)FragmentRunEntryTable.size()).asString()+"\n";
|
||||||
|
for( uint32_t i = 0; i < FragmentRunEntryTable.size(); i ++ ) {
|
||||||
|
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();
|
||||||
|
}
|
||||||
|
return r;
|
||||||
}
|
}
|
||||||
r += std::string(indent+1, ' ')+"Timescale "+JSON::Value((long long int)curTimeScale).asString()+"\n";
|
|
||||||
r += std::string(indent+1, ' ')+"Qualities "+JSON::Value((long long int)QualitySegmentUrlModifiers.size()).asString()+"\n";
|
|
||||||
for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
|
|
||||||
r += std::string(indent+2, ' ')+"\""+QualitySegmentUrlModifiers[i]+"\"\n";
|
|
||||||
}
|
|
||||||
r += std::string(indent+1, ' ')+"Fragments "+JSON::Value((long long int)FragmentRunEntryTable.size()).asString()+"\n";
|
|
||||||
for( uint32_t i = 0; i < FragmentRunEntryTable.size(); i ++ ) {
|
|
||||||
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();
|
|
||||||
}
|
|
||||||
return r;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ASRT::SetUpdate( bool Update ) {
|
void ASRT::SetUpdate( bool Update ) {
|
||||||
isUpdate = Update;
|
isUpdate = Update;
|
||||||
}
|
|
||||||
|
|
||||||
void ASRT::AddQualityEntry( std::string Quality, uint32_t Offset ) {
|
|
||||||
if(Offset >= QualitySegmentUrlModifiers.size()) {
|
|
||||||
QualitySegmentUrlModifiers.resize(Offset+1);
|
|
||||||
}
|
}
|
||||||
QualitySegmentUrlModifiers[Offset] = Quality;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ASRT::AddSegmentRunEntry( uint32_t FirstSegment, uint32_t FragmentsPerSegment, uint32_t Offset ) {
|
void ASRT::AddQualityEntry( std::string Quality, uint32_t Offset ) {
|
||||||
if( Offset >= SegmentRunEntryTable.size() ) {
|
if(Offset >= QualitySegmentUrlModifiers.size()) {
|
||||||
SegmentRunEntryTable.resize(Offset+1);
|
QualitySegmentUrlModifiers.resize(Offset+1);
|
||||||
|
}
|
||||||
|
QualitySegmentUrlModifiers[Offset] = Quality;
|
||||||
}
|
}
|
||||||
SegmentRunEntryTable[Offset].FirstSegment = FirstSegment;
|
|
||||||
SegmentRunEntryTable[Offset].FragmentsPerSegment = FragmentsPerSegment;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ASRT::SetVersion( bool NewVersion ) {
|
void ASRT::AddSegmentRunEntry( uint32_t FirstSegment, uint32_t FragmentsPerSegment, uint32_t Offset ) {
|
||||||
Version = NewVersion;
|
if( Offset >= SegmentRunEntryTable.size() ) {
|
||||||
}
|
SegmentRunEntryTable.resize(Offset+1);
|
||||||
|
}
|
||||||
|
SegmentRunEntryTable[Offset].FirstSegment = FirstSegment;
|
||||||
|
SegmentRunEntryTable[Offset].FragmentsPerSegment = FragmentsPerSegment;
|
||||||
|
}
|
||||||
|
|
||||||
void ASRT::SetDefaults( ) {
|
void ASRT::SetVersion( bool NewVersion ) {
|
||||||
SetUpdate( );
|
Version = NewVersion;
|
||||||
}
|
}
|
||||||
|
|
||||||
void ASRT::WriteContent( ) {
|
void ASRT::SetDefaults( ) {
|
||||||
std::string serializedQualities = "";
|
SetUpdate( );
|
||||||
ResetPayload( );
|
|
||||||
|
|
||||||
for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
|
|
||||||
serializedQualities.append(QualitySegmentUrlModifiers[i].c_str());
|
|
||||||
serializedQualities += '\0';
|
|
||||||
}
|
}
|
||||||
|
|
||||||
uint32_t OffsetSegmentRunEntryCount = 5 + serializedQualities.size();
|
|
||||||
|
|
||||||
for( uint32_t i = 0; i < SegmentRunEntryTable.size(); i ++ ) {
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable[i].FragmentsPerSegment),(8*i)+OffsetSegmentRunEntryCount+8);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable[i].FirstSegment),(8*i)+OffsetSegmentRunEntryCount+4);
|
|
||||||
}
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable.size()),OffsetSegmentRunEntryCount);
|
|
||||||
SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),5);
|
|
||||||
SetPayload((uint32_t)1,Box::uint8_to_uint8(QualitySegmentUrlModifiers.size()),4);
|
|
||||||
SetPayload((uint32_t)4,Box::uint32_to_uint8((isUpdate ? 1 : 0)));
|
|
||||||
}
|
|
||||||
|
|
||||||
std::string ASRT::toPrettyString(int indent){
|
void ASRT::WriteContent( ) {
|
||||||
std::string r;
|
std::string serializedQualities = "";
|
||||||
r += std::string(indent, ' ')+"Segment Run Table\n";
|
ResetPayload( );
|
||||||
if (isUpdate){
|
|
||||||
r += std::string(indent+1, ' ')+"Update\n";
|
for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
|
||||||
}else{
|
serializedQualities.append(QualitySegmentUrlModifiers[i].c_str());
|
||||||
r += std::string(indent+1, ' ')+"Replacement or new table\n";
|
serializedQualities += '\0';
|
||||||
|
}
|
||||||
|
|
||||||
|
uint32_t OffsetSegmentRunEntryCount = 5 + serializedQualities.size();
|
||||||
|
|
||||||
|
for( uint32_t i = 0; i < SegmentRunEntryTable.size(); i ++ ) {
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable[i].FragmentsPerSegment),(8*i)+OffsetSegmentRunEntryCount+8);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable[i].FirstSegment),(8*i)+OffsetSegmentRunEntryCount+4);
|
||||||
|
}
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8(SegmentRunEntryTable.size()),OffsetSegmentRunEntryCount);
|
||||||
|
SetPayload((uint32_t)serializedQualities.size(),(uint8_t*)serializedQualities.c_str(),5);
|
||||||
|
SetPayload((uint32_t)1,Box::uint8_to_uint8(QualitySegmentUrlModifiers.size()),4);
|
||||||
|
SetPayload((uint32_t)4,Box::uint32_to_uint8((isUpdate ? 1 : 0)));
|
||||||
}
|
}
|
||||||
r += std::string(indent+1, ' ')+"Qualities "+JSON::Value((long long int)QualitySegmentUrlModifiers.size()).asString()+"\n";
|
|
||||||
for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
|
|
||||||
r += std::string(indent+2, ' ')+"\""+QualitySegmentUrlModifiers[i]+"\"\n";
|
|
||||||
}
|
|
||||||
r += std::string(indent+1, ' ')+"Segments "+JSON::Value((long long int)SegmentRunEntryTable.size()).asString()+"\n";
|
|
||||||
for( uint32_t i = 0; i < SegmentRunEntryTable.size(); i ++ ) {
|
|
||||||
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();
|
|
||||||
}
|
|
||||||
return r;
|
|
||||||
}
|
|
||||||
|
|
||||||
std::string mdatFold(std::string data){
|
std::string ASRT::toPrettyString(int indent){
|
||||||
std::string Result;
|
std::string r;
|
||||||
unsigned int t_int;
|
r += std::string(indent, ' ')+"Segment Run Table\n";
|
||||||
t_int = htonl(data.size()+8);
|
if (isUpdate){
|
||||||
Result.append((char*)&t_int, 4);
|
r += std::string(indent+1, ' ')+"Update\n";
|
||||||
t_int = htonl(0x6D646174);
|
}else{
|
||||||
Result.append((char*)&t_int, 4);
|
r += std::string(indent+1, ' ')+"Replacement or new table\n";
|
||||||
Result.append(data);
|
}
|
||||||
return Result;
|
r += std::string(indent+1, ' ')+"Qualities "+JSON::Value((long long int)QualitySegmentUrlModifiers.size()).asString()+"\n";
|
||||||
}
|
for( uint32_t i = 0; i < QualitySegmentUrlModifiers.size(); i++ ) {
|
||||||
|
r += std::string(indent+2, ' ')+"\""+QualitySegmentUrlModifiers[i]+"\"\n";
|
||||||
|
}
|
||||||
|
r += std::string(indent+1, ' ')+"Segments "+JSON::Value((long long int)SegmentRunEntryTable.size()).asString()+"\n";
|
||||||
|
for( uint32_t i = 0; i < SegmentRunEntryTable.size(); i ++ ) {
|
||||||
|
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();
|
||||||
|
}
|
||||||
|
return r;
|
||||||
|
}
|
||||||
|
|
||||||
|
std::string mdatFold(std::string data){
|
||||||
|
std::string Result;
|
||||||
|
unsigned int t_int;
|
||||||
|
t_int = htonl(data.size()+8);
|
||||||
|
Result.append((char*)&t_int, 4);
|
||||||
|
t_int = htonl(0x6D646174);
|
||||||
|
Result.append((char*)&t_int, 4);
|
||||||
|
Result.append(data);
|
||||||
|
return Result;
|
||||||
|
}
|
||||||
|
*/
|
||||||
|
|
||||||
};
|
};
|
||||||
|
|
|
||||||
16
lib/mp4.h
16
lib/mp4.h
|
|
@ -9,8 +9,8 @@ namespace MP4{
|
||||||
|
|
||||||
class Box {
|
class Box {
|
||||||
public:
|
public:
|
||||||
Box();
|
Box( size_t size = 0);
|
||||||
Box(char* boxType);
|
Box(char* boxType, size_t size = 0 );
|
||||||
Box(std::string & newData);
|
Box(std::string & newData);
|
||||||
~Box();
|
~Box();
|
||||||
std::string getType();
|
std::string getType();
|
||||||
|
|
@ -22,12 +22,12 @@ namespace MP4{
|
||||||
void clear();
|
void clear();
|
||||||
std::string toPrettyString(int indent = 0);
|
std::string toPrettyString(int indent = 0);
|
||||||
protected:
|
protected:
|
||||||
void setInt8( char data, size_t index = 0);
|
void setInt8( char newData, size_t index = 0);
|
||||||
void setInt16( short data, size_t index = 0);
|
void setInt16( short newData, size_t index = 0);
|
||||||
void setInt32( long data, size_t index = 0);
|
void setInt32( long newData, size_t index = 0);
|
||||||
void setInt64( long long int data, size_t index = 0);
|
void setInt64( long long int newData, size_t index = 0);
|
||||||
void setString(std::string data, size_t index = 0);
|
void setString(std::string newData, size_t index = 0);
|
||||||
void setString(char* data, size_t size, size_t index = 0);
|
void setString(char* newData, size_t size, size_t index = 0);
|
||||||
std::string data;
|
std::string data;
|
||||||
};//Box Class
|
};//Box Class
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Add table
Reference in a new issue