public Mp4AvccBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.AVCC)
{
long position = stream.Position;
this.RawBytes = new byte[size];
stream.Read(this.RawBytes, this.RawBytes.Length);
stream.Seek(position);
this.ConfigurationVersion = stream.ReadUInt08();
this.AVCProfileIndication = stream.ReadUInt08();
this.AVCCompatibleProfiles = stream.ReadUInt08();
this.AVCLevelIndication = stream.ReadUInt08();
byte num2 = stream.ReadUInt08();
this.NaluLengthSize = (byte)(1 + (num2 & 3));
byte capacity = (byte)(stream.ReadUInt08() & 0x1f);
this.SequenceParameters = new List <byte[]>(capacity);
for (uint i = 0; i < capacity; i++)
{
byte[] buffer = new byte[stream.ReadUInt16()];
stream.Read(buffer, buffer.Length);
this.SequenceParameters.Add(buffer);
}
byte num6 = stream.ReadUInt08();
this.PictureParameters = new List <byte[]>();
for (uint j = 0; j < num6; j++)
{
byte[] buffer = new byte[stream.ReadUInt16()];
stream.Read(buffer, buffer.Length);
this.PictureParameters.Add(buffer);
}
}
public Mp4Descriptor Read(Mp4Stream stream)
{
if ((stream.Length - stream.Position) == 0L)
{
return(null);
}
Mp4Descriptor descriptor = null;
long position = stream.Position;
Mp4DescriptorTag tag = (Mp4DescriptorTag)stream.ReadUInt08();
uint payloadSize = 0;
uint headerSize = 1;
uint num4 = 4;
byte num5 = 0;
do
{
headerSize++;
num5 = stream.ReadUInt08();
payloadSize = (payloadSize << 7) + ((uint)(num5 & 0x7f));
}while ((--num4 != 0) && ((num5 & 0x80) != 0));
switch (tag)
{
case Mp4DescriptorTag.OD:
case Mp4DescriptorTag.MP4_OD:
descriptor = new Mp4ObjectDescriptor(stream, tag, headerSize, payloadSize);
break;
case Mp4DescriptorTag.ES:
descriptor = new Mp4EsDescriptor(stream, headerSize, payloadSize);
break;
case Mp4DescriptorTag.DECODER_CONFIG:
descriptor = new Mp4DecoderConfigDescriptor(stream, headerSize, payloadSize);
break;
case Mp4DescriptorTag.DECODER_SPECIFIC_INFO:
descriptor = new Mp4DecoderSpecificInfoDescriptor(stream, headerSize, payloadSize);
break;
case Mp4DescriptorTag.SL_CONFIG:
if (payloadSize != 1)
{
throw new Exception("INVALID_FORMAT");
}
descriptor = new Mp4SLConfigDescriptor(stream, headerSize, payloadSize);
break;
default:
descriptor = new Mp4UnknownDescriptor(stream, tag, headerSize, payloadSize);
break;
}
stream.Seek((position + headerSize) + payloadSize);
return(descriptor);
}
public Mp4HvccBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.HVCC)
{
long position = stream.Position;
this.RawBytes = new byte[size];
stream.Read(this.RawBytes, this.RawBytes.Length);
stream.Seek(position);
this.ConfigurationVersion = stream.ReadUInt08();
byte temp = stream.ReadUInt08();
GeneralProfileSpace = ((byte)(temp & 0xc0)) >> 6;
GeneralTierFlag = ((byte)(temp & 0x20)) >> 5;
GeneralProfileIdc = (byte)(temp & 0x1f);
GeneralProfileCompatibilityFlags = stream.ReadUInt32();
GeneralConstraintIndicatorFlags = (ulong)(stream.ReadUInt32()) << 16;
GeneralConstraintIndicatorFlags += stream.ReadUInt16();
//GeneralConstraintIndicatorFlags |= (ulong)stream.ReadInt16();
GeneralLevelIdc = stream.ReadUInt08();
MinSpatialSegmentationIdc = (uint)(stream.ReadUInt16() & 0xff);
ParallelismType = (byte)(stream.ReadUInt08() & 0x3);
ChromaFormat = (byte)(stream.ReadUInt08() & 0x3);
BitDepthLumaMinus8 = (byte)(stream.ReadUInt08() & 0x7);
BitDepthChromaMinus8 = (byte)(stream.ReadUInt08() & 0x7);
avgFrameRate = stream.ReadUInt16();
temp = stream.ReadUInt08();
constantFrameRate = ((byte)(temp & 0xc0)) >> 6;
numTemporalLayers = ((byte)(temp & 0x38)) >> 3;
temporalIdNested = (byte)(temp & 0x4) >> 2;
lengthSizeMinusOne = (byte)(temp & 0x3);
numOfArrays = stream.ReadUInt08();
for (var i = 0; i < numOfArrays; i++)
{
byte ArrayCompleteness, NALUType;
temp = stream.ReadUInt08();
ArrayCompleteness = (byte)(temp & 0x80);
NALUType = (byte)(temp & 0x3f);
var NumNALUs = stream.ReadUInt16();
if (NALUType == 0x20)
{
VideoParameters = new List <byte[]>(NumNALUs);
for (var j = 0; j < NumNALUs; j++)
{
var NALULength = stream.ReadUInt16();
byte[] buffer = new byte[NALULength];
stream.Read(buffer, buffer.Length);
VideoParameters.Add(buffer);
}
}
else if (NALUType == 0x21)
{
SequenceParameters = new List <byte[]>(NumNALUs);
for (var j = 0; j < NumNALUs; j++)
{
var NALULength = stream.ReadUInt16();
byte[] buffer = new byte[NALULength];
stream.Read(buffer, buffer.Length);
SequenceParameters.Add(buffer);
}
}
else if (NALUType == 0x22)
{
PictureParameters = new List <byte[]>(NumNALUs);
for (var j = 0; j < NumNALUs; j++)
{
var NALULength = stream.ReadUInt16();
byte[] buffer = new byte[NALULength];
stream.Read(buffer, buffer.Length);
PictureParameters.Add(buffer);
}
}
}
}
