Working video and audio
This commit is contained in:
Erik Zandvliet
Thulinma
parent
be0038711d
commit
8d8c23e194
3 changed files with 244 additions and 40 deletions
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@ -21,7 +21,7 @@ TS_Packet::~TS_Packet() { }
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void TS_Packet::PID( int NewVal ) {
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Buffer[1] = (Buffer[1] & 0xE0) + ((NewVal & 0x1F00) >> 8 );
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Buffer[2] = (NewVal & 0x00FF);
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Free = std::min( Free, 185 );
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Free = std::min( Free, 184 );
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}
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int TS_Packet::PID() {
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@ -42,7 +42,7 @@ int TS_Packet::BytesFree( ) {
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}
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void TS_Packet::Clear( ) {
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Free = 187;
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Free = 184;
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Buffer[0] = 0x47;
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for( int i = 1; i < 188; i++ ) {
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Buffer[i] = 0x00;
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@ -51,19 +51,18 @@ void TS_Packet::Clear( ) {
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}
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void TS_Packet::AdaptionField( int NewVal ) {
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NewVal = NewVal % 4;
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NewVal = NewVal << 4;
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Buffer[3] = ( Buffer[3] & 0xCF ) + NewVal;
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Buffer[3] = ( Buffer[3] & 0xCF ) + ((NewVal & 0x03) << 4);
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Buffer[4] = 0;
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Free = std::min( Free, 184 );
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}
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int TS_Packet::AdaptionField( ) {
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return ((Buffer[3] & 0x30) >> 4 ) >= 2;
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return ((Buffer[3] & 0x30) >> 4 );
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}
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void TS_Packet::PCR( int64_t NewVal ) {
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NewVal += (0xF618 * 300);
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Buffer[3] = (Buffer[3] | 0x30);
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AdaptionField( 3 );
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Buffer[4] = 7;
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Buffer[5] = (Buffer[5] | 0x10 );
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int64_t TmpVal = NewVal / 300;
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@ -136,21 +135,25 @@ int TS_Packet::RandomAccess( ) {
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void TS_Packet::RandomAccess( int NewVal ) {
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if( AdaptionField() ) {
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if( Buffer[4] == 0 ) {
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Buffer[4] = 1;
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}
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if( NewVal ) {
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Buffer[5] = (Buffer[5] | 0x40);
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} else {
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Buffer[5] = (Buffer[5] & 0xBF);
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}
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} else {
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Buffer[3] = (Buffer[3] | 0x30);
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AdaptionField( 3 );
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Buffer[4] = 1;
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if( NewVal ) {
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Buffer[5] = 0x40;
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} else {
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Buffer[5] = 0x00;
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}
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Free = 183;
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}
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Free = std::min( Free, 182 );
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}
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void TS_Packet::DefaultPAT( ) {
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@ -159,6 +162,10 @@ void TS_Packet::DefaultPAT( ) {
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PID( 0 );
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ContinuityCounter( MyCntr );
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AdaptionField( 0x01 );
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Buffer[ 4] = 0x00;//Pointer Field
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Buffer[ 5] = 0x00;//TableID
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Buffer[ 6] = 0xB0,//Reserved + SectionLength
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@ -178,7 +185,7 @@ void TS_Packet::DefaultPAT( ) {
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Buffer[20] = 0xB2;//CRC32 (Cont)
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std::fill( Buffer+21, Buffer+188, 0xFF );
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Free = 0;
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MyCntr = ( (MyCntr + 1) % 0xF);
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MyCntr = ( (MyCntr + 1) % 0x10);
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}
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void TS_Packet::DefaultPMT( ) {
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@ -187,10 +194,13 @@ void TS_Packet::DefaultPMT( ) {
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PID( 0x1000 );
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ContinuityCounter( MyCntr );
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AdaptionField( 0x01 );
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Buffer[ 4] = 0x00;//Pointer Field
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Buffer[ 5] = 0x02;//TableID
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Buffer[ 6] = 0xb0;//Reserved + Section_Length
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Buffer[ 7] = 0x12;//Section_Length (Cont)
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Buffer[ 7] = 0x1D;//Section_Length (Cont)
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Buffer[ 8] = 0x00;//Program_Number
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Buffer[ 9] = 0x01;//Program_Number (Cont)
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Buffer[10] = 0xc1;//Reserved + VersionNumber + Current_Next_Indicator
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@ -201,27 +211,51 @@ void TS_Packet::DefaultPMT( ) {
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Buffer[15] = 0xf0;//Reserved + Program_Info_Length
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Buffer[16] = 0x00;//Program_Info_Length (Cont)
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Buffer[17] = 0x1b; //Stream_Type
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Buffer[18] = 0xe1; //Reserved + Elementary_PID
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Buffer[19] = 0x00; //Elementary_PID (Cont)
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Buffer[20] = 0xf0; //Reserved + ES_Info_Length
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Buffer[21] = 0x00; //ES_Info_Length (Cont)
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Buffer[22] = 0x15;//CRC32
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Buffer[23] = 0xbd;//CRC32 (Cont)
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Buffer[24] = 0x4d;//CRC32 (Cont)
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Buffer[25] = 0x56;//CRC32 (Cont)
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std::fill( Buffer+26, Buffer+188, 0xFF );
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Buffer[22] = 0x0f; //Stream_Type
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Buffer[23] = 0xe1;
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Buffer[24] = 0x01;
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Buffer[25] = 0xf0;
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Buffer[26] = 0x06;
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Buffer[27] = 0x0a;
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Buffer[28] = 0x04;
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Buffer[29] = 0x65;
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Buffer[30] = 0x6e;
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Buffer[31] = 0x67;
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Buffer[32] = 0x00;
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Buffer[33] = 0x8d;
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Buffer[34] = 0x82;
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Buffer[35] = 0x9a;
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Buffer[36] = 0x07;
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std::fill( Buffer+37, Buffer+188, 0xFF );
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Free = 0;
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MyCntr = ( (MyCntr + 1) % 0xF);
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MyCntr = ( (MyCntr + 1) % 0x10);
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}
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std::string TS_Packet::ToString( ) {
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fprintf( stderr, "\t\t\tAdaptationFieldBitsInBuffer: %0.2X\n", AdaptionField( ) );
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std::string Result( Buffer, 188 );
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fprintf( stderr, "\t\t\tAdaptationFieldBitsInString: %0.2X\n", Result[3] );
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std::cout.write( Buffer,188 );
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if( Buffer[0] != 0x47) {
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fprintf( stderr, "Breaking, something terrible has happened\n" );
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exit(400);
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}
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return Result;
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}
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void TS_Packet::PESLeadIn( int NewLen ) {
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static uint64_t PTS = 126000;
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void TS_Packet::PESVideoLeadIn( int NewLen, uint64_t PTSt ) {
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static int PTS = 27000000;
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NewLen += 14;
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fprintf( stderr, "\t\t\t\t\tMyPTS: %X\n", PTS );
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fprintf( stderr, "\t\t\t\t\tMyLen: %d\n", NewLen );
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int Offset = ( 188 - Free );
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Buffer[Offset] = 0x00;//PacketStartCodePrefix
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Buffer[Offset+1] = 0x00;//PacketStartCodePrefix (Cont)
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@ -235,7 +269,7 @@ void TS_Packet::PESLeadIn( int NewLen ) {
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Buffer[Offset+9] = 0x20 + ((PTS & 0x1C0000000) >> 29 ) + 1;//PTS
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Buffer[Offset+10] = 0x00 + ((PTS & 0x03FC00000) >> 22 );//PTS (Cont)
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Buffer[Offset+11] = 0x00 + ((PTS & 0x0003F8000) >> 14 ) + 1;//PTS (Cont)
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Buffer[Offset+12] = 0x00 + ((PTS & 0x000007F10) >> 7 );//PTS (Cont)
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Buffer[Offset+12] = 0x00 + ((PTS & 0x000007F80) >> 7 );//PTS (Cont)
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Buffer[Offset+13] = 0x00 + ((PTS & 0x00000007F) << 1) + 1;//PTS (Cont)
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//PesPacket-Wise Prepended Data
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@ -247,13 +281,39 @@ void TS_Packet::PESLeadIn( int NewLen ) {
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Buffer[Offset+18] = 0x09;//NALU EndOfPacket (Einde Vorige Packet)
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Buffer[Offset+19] = 0xF0;//NALU EndOfPacket (Cont)
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Free = Free - 20;
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fprintf( stderr, "\tAdding PES Lead In with Offset %d and Size %d\n", Offset, NewLen );
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fprintf( stderr, "\t\tNew Free is %d\n", Free );
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PTS += 3003;
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}
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void TS_Packet::PESAudioLeadIn( int NewLen, uint64_t PTS ) {
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fprintf( stderr, "Free before PESAudio: %d\n", Free );
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PTS = PTS * 90;
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fprintf( stderr, "%d\n", PTS );
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NewLen += 8;
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fprintf( stderr, "\t\t\t\t\tMyPTS: %X\n", PTS );
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fprintf( stderr, "\t\t\t\t\tMyLen: %d\n", NewLen );
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int Offset = ( 188 - Free ) - 2;
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fprintf( stderr, "Audio PES Lead In: Offset = %d\n", Offset );
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Buffer[Offset] = 0x00;//PacketStartCodePrefix
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Buffer[Offset+1] = 0x00;//PacketStartCodePrefix (Cont)
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Buffer[Offset+2] = 0x01;//PacketStartCodePrefix (Cont)
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Buffer[Offset+3] = 0xc0;//StreamType Video
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Buffer[Offset+4] = (NewLen & 0xFF00) >> 8;//PES PacketLength
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Buffer[Offset+5] = (NewLen & 0x00FF);//PES PacketLength (Cont)
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Buffer[Offset+6] = 0x80;//Reserved + Flags
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Buffer[Offset+7] = 0x80;//PTSOnlyFlag + Flags
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Buffer[Offset+8] = 0x05;//PESHeaderDataLength
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Buffer[Offset+9] = 0x20 + ((PTS & 0x1C0000000) >> 29 ) + 1;//PTS
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Buffer[Offset+10] = 0x00 + ((PTS & 0x03FC00000) >> 22 );//PTS (Cont)
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Buffer[Offset+11] = 0x00 + ((PTS & 0x0003F8000) >> 14 ) + 1;//PTS (Cont)
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Buffer[Offset+12] = 0x00 + ((PTS & 0x000007F80) >> 7 );//PTS (Cont)
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Buffer[Offset+13] = 0x00 + ((PTS & 0x00000007F) << 1) + 1;//PTS (Cont)
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Free = Free - 12;
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}
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void TS_Packet::FillFree( std::string & NewVal ) {
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int Offset = (188 - Free);
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fprintf( stderr, "Filling Free: Offset = %d\n", Offset );
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for( int i = 0; (Offset + i) < 188; i++ ) {
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Buffer[Offset+i] = NewVal[i];
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}
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@ -262,16 +322,18 @@ void TS_Packet::FillFree( std::string & NewVal ) {
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}
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void TS_Packet::AddStuffing( int NumBytes ) {
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if( NumBytes < 0 ) { return; }
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if( NumBytes <= 0 ) { return; }
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if( AdaptionField( ) == 3 ) {
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int Offset = Buffer[4];
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fprintf( stderr, "AddStuffing: AdaptionField == 3 && Offset = %d\n", Offset );
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Buffer[4] = Offset + NumBytes - 1;
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for( int i = 0; i < ( NumBytes -2 ); i ++ ) {
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Buffer[Offset+i] = 0xFF;
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Buffer[6+Offset+i] = 0xFF;
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}
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Free -= NumBytes;
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} else {
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AdaptionField( 3 );
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fprintf( stderr, "AddStuffing: AdaptionField != 3\n" );
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Buffer[4] = NumBytes - 1;
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Buffer[5] = 0x00;
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for( int i = 0; i < ( NumBytes -2 ); i ++ ) {
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@ -279,4 +341,59 @@ void TS_Packet::AddStuffing( int NumBytes ) {
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}
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Free -= NumBytes;
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}
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fprintf( stderr, "Free After Stuffing: %d\n", Free );
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}
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void TS_Packet::FFMpegHeader( ) {
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static int MyCntr = 0;
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UnitStart( 1 );
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PID( 0x0011 );
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ContinuityCounter( MyCntr );
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AdaptionField( 0x01 );
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Buffer[4] = 0x00;
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Buffer[5] = 0x42;
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Buffer[6] = 0xF0;
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Buffer[7] = 0x25;
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Buffer[8] = 0x00;
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Buffer[9] = 0x01;
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Buffer[10] = 0xC1;
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Buffer[11] = 0x00;
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Buffer[12] = 0x00;
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Buffer[13] = 0x00;
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Buffer[14] = 0x01;
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Buffer[15] = 0xFF;
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Buffer[16] = 0x00;
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Buffer[17] = 0x01;
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Buffer[18] = 0xFC;
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Buffer[19] = 0x80;
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Buffer[20] = 0x14;
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Buffer[21] = 0x48;
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Buffer[22] = 0x12;
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Buffer[23] = 0x01;
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Buffer[24] = 0x06;
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Buffer[25] = 0x46;
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Buffer[26] = 0x46;
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Buffer[27] = 0x6D;
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Buffer[28] = 0x70;
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Buffer[29] = 0x65;
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Buffer[30] = 0x67;
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Buffer[31] = 0x09;
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Buffer[32] = 0x53;
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Buffer[33] = 0x65;
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Buffer[34] = 0x72;
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Buffer[35] = 0x76;
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Buffer[36] = 0x69;
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Buffer[37] = 0x63;
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Buffer[38] = 0x65;
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Buffer[39] = 0x30;
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Buffer[40] = 0x31;
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Buffer[41] = 0xA7;
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Buffer[42] = 0x79;
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Buffer[43] = 0xA0;
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Buffer[44] = 0x03;
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for( int i = 45; i < 188; i++ ) {
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Buffer[i] = 0xFF;
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}
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Free = 0;
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MyCntr = ( (MyCntr + 1) % 0x10);
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}
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@ -4,6 +4,7 @@
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#include <stdint.h> //for uint64_t
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#include <iostream>
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#include <cstdio>
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#include <cstdlib>
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#include <algorithm>
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class TS_Packet {
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@ -30,9 +31,11 @@ class TS_Packet {
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int64_t PCR();
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void Print();
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std::string ToString();
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void PESLeadIn( int NewLen );
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void PESVideoLeadIn( int NewLen, uint64_t PTS = 0 );
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void PESAudioLeadIn( int NewLen, uint64_t PTS = 0 );
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void FillFree( std::string & PackageData );
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void AddStuffing( int NumBytes );
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void FFMpegHeader( );
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private:
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int Free;
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char Buffer[188];///< The actual data
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