//---------------------------------------------------------------------------
void File_Mpeg4_Descriptors::Descriptor_06()
{
//Parsing
int8u predefined, timeStampLength;
bool durationFlag, useTimeStampsFlag;
Get_B1 (predefined, "predefined"); Param_Info(Mpeg4_Descriptors_Predefined(predefined));
switch (predefined)
{
case 0x00 :
{
BS_Begin();
Skip_SB( "useAccessUnitStartFlag");
Skip_SB( "useAccessUnitEndFlag");
Skip_SB( "useRandomAccessPointFlag");
Skip_SB( "hasRandomAccessUnitsOnlyFlag");
Skip_SB( "usePaddingFlag");
Get_SB (useTimeStampsFlag, "useTimeStampsFlag");
Skip_SB( "useIdleFlag");
Get_SB (durationFlag, "durationFlag");
BS_End();
Skip_B4( "timeStampResolution");
Skip_B4( "OCRResolution");
Get_B1 (timeStampLength, "timeStampLength");
Skip_B1( "OCRLength");
Skip_B1( "AU_Length");
Skip_B1( "instantBitrateLength");
BS_Begin();
Skip_S1(4, "degradationPriorityLength");
Skip_S1(5, "AU_seqNumLength");
Skip_S1(5, "packetSeqNumLength");
Skip_S1(2, "reserved");
BS_End();
}
break;
case 0x01 :
useTimeStampsFlag=false;
durationFlag=false;
timeStampLength=32;
break;
case 0x02 :
useTimeStampsFlag=true;
durationFlag=false;
timeStampLength=32;
break;
default :
useTimeStampsFlag=false;
durationFlag=false;
timeStampLength=32;
}
if (durationFlag)
{
Skip_B4( "timeScale");
Skip_B2( "accessUnitDuration");
Skip_B2( "compositionUnitDuration");
}
if (!useTimeStampsFlag)
{
BS_Begin();
Skip_S8(timeStampLength, "startDecodingTimeStamp");
Skip_S8(timeStampLength, "startCompositionTimeStamp");
BS_End();
}
}
//---------------------------------------------------------------------------
void File_Mpeg4_Descriptors::Descriptor_06()
{
delete SLConfig; SLConfig=new slconfig;
//Parsing
int8u predefined;
Get_B1 (predefined, "predefined"); Param_Info1(Mpeg4_Descriptors_Predefined(predefined));
switch (predefined)
{
case 0x00 :
{
BS_Begin();
Get_SB (SLConfig->useAccessUnitStartFlag, "useAccessUnitStartFlag");
Get_SB (SLConfig->useAccessUnitEndFlag, "useAccessUnitEndFlag");
Get_SB (SLConfig->useRandomAccessPointFlag, "useRandomAccessPointFlag");
Get_SB (SLConfig->hasRandomAccessUnitsOnlyFlag, "hasRandomAccessUnitsOnlyFlag");
Get_SB (SLConfig->usePaddingFlag, "usePaddingFlag");
Get_SB (SLConfig->useTimeStampsFlag, "useTimeStampsFlag");
Get_SB (SLConfig->useIdleFlag, "useIdleFlag");
Get_SB (SLConfig->durationFlag, "durationFlag");
BS_End();
Get_B4 (SLConfig->timeStampResolution, "timeStampResolution");
Get_B4( SLConfig->OCRResolution, "OCRResolution");
Get_B1 (SLConfig->timeStampLength, "timeStampLength");
Get_B1 (SLConfig->OCRLength, "OCRLength");
Get_B1 (SLConfig->AU_Length, "AU_Length");
Get_B1 (SLConfig->instantBitrateLength, "instantBitrateLength");
BS_Begin();
Get_S1 (4, SLConfig->degradationPriorityLength, "degradationPriorityLength");
Get_S1 (5, SLConfig->AU_seqNumLength, "AU_seqNumLength");
Get_S1 (5, SLConfig->packetSeqNumLength, "packetSeqNumLength");
Skip_S1(2, "reserved");
BS_End();
}
break;
case 0x01 :
SLConfig->useAccessUnitStartFlag =false;
SLConfig->useAccessUnitEndFlag =false;
SLConfig->useRandomAccessPointFlag =false;
SLConfig->hasRandomAccessUnitsOnlyFlag =false;
SLConfig->usePaddingFlag =false;
SLConfig->useTimeStampsFlag =false;
SLConfig->useIdleFlag =false;
SLConfig->durationFlag =false; //-
SLConfig->timeStampResolution =1000;
SLConfig->OCRResolution =0; //-
SLConfig->timeStampLength =32;
SLConfig->OCRLength =0; //-
SLConfig->AU_Length =0;
SLConfig->instantBitrateLength =0; //-
SLConfig->degradationPriorityLength =0;
SLConfig->AU_seqNumLength =0;
SLConfig->packetSeqNumLength =0;
break;
case 0x02 :
SLConfig->useAccessUnitStartFlag =false;
SLConfig->useAccessUnitEndFlag =false;
SLConfig->useRandomAccessPointFlag =false;
SLConfig->hasRandomAccessUnitsOnlyFlag =false;
SLConfig->usePaddingFlag =false;
SLConfig->useTimeStampsFlag =true;
SLConfig->useIdleFlag =false;
SLConfig->durationFlag =false;
SLConfig->timeStampResolution =0; //-
SLConfig->OCRResolution =0; //-
SLConfig->timeStampLength =0;
SLConfig->OCRLength =0;
SLConfig->AU_Length =0;
SLConfig->instantBitrateLength =0;
SLConfig->degradationPriorityLength =0;
SLConfig->AU_seqNumLength =0;
SLConfig->packetSeqNumLength =0;
break;
default :
SLConfig->useAccessUnitStartFlag =false;
SLConfig->useAccessUnitEndFlag =false;
SLConfig->useRandomAccessPointFlag =false;
SLConfig->hasRandomAccessUnitsOnlyFlag =false;
SLConfig->usePaddingFlag =false;
SLConfig->useTimeStampsFlag =false;
SLConfig->useIdleFlag =false;
SLConfig->durationFlag =false;
SLConfig->timeStampResolution =0;
SLConfig->OCRResolution =0;
SLConfig->timeStampLength =0;
SLConfig->AU_Length =0;
SLConfig->instantBitrateLength =0;
SLConfig->degradationPriorityLength =0;
SLConfig->AU_seqNumLength =0;
SLConfig->packetSeqNumLength =0;
}
if (SLConfig->durationFlag)
{
Get_B4 (SLConfig->timeScale, "timeScale");
Get_B2 (SLConfig->accessUnitDuration, "accessUnitDuration");
Get_B2 (SLConfig->compositionUnitDuration, "compositionUnitDuration");
}
else
{
SLConfig->timeScale =0; //-
SLConfig->accessUnitDuration =0; //-
SLConfig->compositionUnitDuration =0; //-
}
if (!SLConfig->useTimeStampsFlag)
{
BS_Begin();
Get_S8 (SLConfig->timeStampLength, SLConfig->startDecodingTimeStamp, "startDecodingTimeStamp");
Get_S8 (SLConfig->timeStampLength, SLConfig->startCompositionTimeStamp, "startCompositionTimeStamp");
BS_End();
}
else
{
SLConfig->startDecodingTimeStamp =0; //-
SLConfig->startCompositionTimeStamp =0; //-
}
}
