public Mp4MvhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.MVHD, 0L, stream)
{
this.Reserved1 = new byte[2];
this.Reserved2 = new byte[8];
this.Matrix = new uint[9];
this.Predefined = new byte[0x18];
if (base.Version == 0)
{
this.CreationTime = stream.ReadUInt32();
this.ModificationTime = stream.ReadUInt32();
this.TimeScale = stream.ReadUInt32();
this.Duration = stream.ReadUInt32();
}
else
{
this.CreationTime = stream.ReadUInt64();
this.ModificationTime = stream.ReadUInt64();
this.TimeScale = stream.ReadUInt32();
this.Duration = stream.ReadUInt64();
}
this.Rate = stream.ReadUInt32();
this.Volume = stream.ReadUInt16();
stream.Read(this.Reserved1, this.Reserved1.Length);
stream.Read(this.Reserved2, this.Reserved2.Length);
for (int i = 0; i < 9; i++)
{
this.Matrix[i] = stream.ReadUInt32();
}
stream.Read(this.Predefined, this.Predefined.Length);
this.NextTrackId = stream.ReadUInt32();
}
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 Mp4UuidBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.UUID)
{
this.Uuid = new byte[0x10];
stream.Read(this.Uuid, 0x10);
this.Stream = stream;
this.Position = stream.Position;
}
public Mp4MdhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.MDHD, 0L, stream)
{
if (base.Version == 0)
{
this.CreationTime = stream.ReadUInt32();
this.ModificationTime = stream.ReadUInt32();
this.TimeScale = stream.ReadUInt32();
this.Duration = stream.ReadUInt32();
}
else
{
this.CreationTime = stream.ReadUInt64();
this.ModificationTime = stream.ReadUInt64();
this.TimeScale = stream.ReadUInt32();
this.Duration = stream.ReadUInt64();
}
byte[] buffer = new byte[2];
stream.Read(buffer, 2);
byte num = (byte)(((byte)(buffer[0] >> 2)) & 0x1f);
byte num2 = (byte)((((byte)(buffer[0] & 3)) << 3) | ((buffer[1] >> 5) & 7));
byte num3 = (byte)(buffer[1] & 0x1f);
if (((num != 0) && (num2 != 0)) && (num3 != 0))
{
char[] chArray = new char[] { (char)(num + 0x60), (char)(num2 + 0x60), (char)(num3 + 0x60) };
this.Language = new string(chArray);
}
else
{
this.Language = "```";
}
}
public Mp4StscBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.STSC, 0L, stream)
{
uint num = 1;
uint num2 = stream.ReadUInt32();
this.Entries = new List <Mp4StscEntry>((int)num2);
byte[] buffer = new byte[num2 * 12];
stream.Read(buffer, (int)(num2 * 12));
for (int i = 0; i < num2; i++)
{
uint num4 = Mp4Util.BytesToUInt32BE(buffer, i * 12);
uint num5 = Mp4Util.BytesToUInt32BE(buffer, (i * 12) + 4);
uint num6 = Mp4Util.BytesToUInt32BE(buffer, (i * 12) + 8);
if (i > 0)
{
int num7 = i - 1;
this.Entries[num7].ChunkCount = num4 - this.Entries[num7].FirstChunk;
num += this.Entries[num7].ChunkCount * this.Entries[num7].SamplesPerChunk;
}
this.Entries.Add(new Mp4StscEntry());
this.Entries[i].ChunkCount = 0;
this.Entries[i].FirstChunk = num4;
this.Entries[i].FirstSample = num;
this.Entries[i].SamplesPerChunk = num5;
this.Entries[i].SampleDescriptionIndex = num6;
}
}
public Mp4HdlrBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.HDLR, 0L, stream)
{
this.Reserved = new uint[3];
this.PreDefined = stream.ReadUInt32();
this.HandlerType = stream.ReadUInt32();
this.Reserved[0] = stream.ReadUInt32();
this.Reserved[1] = stream.ReadUInt32();
this.Reserved[2] = stream.ReadUInt32();
int count = ((int)size) - 0x1c;
if (count > 0)
{
byte[] buffer = new byte[count];
stream.Read(buffer, count);
if (buffer[0] == (count - 1))
{
this.Name = Encoding.UTF8.GetString(buffer, 1, buffer.Length - 1);
}
else
{
this.Name = Encoding.UTF8.GetString(buffer);
int index = this.Name.IndexOf('\0');
if (index != -1)
{
this.Name = this.Name.Substring(0, index);
}
}
}
else
{
this.Name = string.Empty;
}
}
public Mp4TkhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.TKHD, 0L, stream)
{
this.Reserved2 = new byte[8];
this.Matrix = new uint[9];
if (base.Version == 0)
{
this.CreationTime = stream.ReadUInt32();
this.ModificationTime = stream.ReadUInt32();
this.TrackId = stream.ReadUInt32();
this.Reserved1 = stream.ReadUInt32();
this.Duration = stream.ReadUInt32();
}
else
{
this.CreationTime = stream.ReadUInt64();
this.ModificationTime = stream.ReadUInt64();
this.TrackId = stream.ReadUInt32();
this.Reserved1 = stream.ReadUInt32();
this.Duration = stream.ReadUInt64();
}
stream.Read(this.Reserved2, 8);
this.Layer = stream.ReadUInt16();
this.AlternateGroup = stream.ReadUInt16();
this.Volume = stream.ReadUInt16();
this.Reserved3 = stream.ReadUInt16();
for (int i = 0; i < 9; i++)
{
this.Matrix[i] = stream.ReadUInt32();
}
this.Width = stream.ReadUInt32();
this.Height = stream.ReadUInt32();
}
public Mp48bdlBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.LDB8)
{
this.Encoding = stream.ReadUInt32();
this.EncodingVersion = stream.ReadUInt32();
this.BundleData = new byte[(size - 8) - 8];
stream.Read(this.BundleData, this.BundleData.Length);
}
public Mp4ObjectDescriptor(Mp4Stream stream, Mp4DescriptorTag tag, uint headerSize, uint payloadSize) : base(tag, headerSize, payloadSize)
{
Mp4Descriptor descriptor;
long position = stream.Position;
ushort num2 = stream.ReadUInt16();
this.ObjectDescriptorId = (ushort)(num2 >> 6);
this.UrlFlag = (num2 & 0x20) != 0;
if (this.UrlFlag)
{
byte count = stream.ReadUInt08();
byte[] buffer = new byte[0x100];
stream.Read(buffer, count);
buffer[count] = 0;
this.Url = Encoding.ASCII.GetString(buffer, 0, count);
}
long offset = stream.Position;
this.SubDescriptors = new List <Mp4Descriptor>();
Mp4DescriptorFactory factory = new Mp4DescriptorFactory();
Mp4SubStream stream2 = new Mp4SubStream(stream, offset, (long)(payloadSize - ((uint)(offset - position))));
while ((descriptor = factory.Read(stream2)) != null)
{
this.SubDescriptors.Add(descriptor);
}
}
public Mp48idBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType._DI8)
{
int count = ((int)size) - 8;
byte[] buffer = new byte[count];
stream.Read(buffer, count);
buffer[count - 1] = 0;
this.Value = Encoding.ASCII.GetString(buffer);
}
public override void ReadFields(Mp4Stream stream)
{
base.ReadFields(stream);
this.QtVersion = stream.ReadUInt16();
this.QtRevision = stream.ReadUInt16();
this.QtVendor = stream.ReadUInt32();
this.ChannelCount = stream.ReadUInt16();
this.SampleSize = stream.ReadUInt16();
this.QtCompressionId = stream.ReadUInt16();
this.QtPacketSize = stream.ReadUInt16();
this.SampleRate = stream.ReadUInt32();
if (this.QtVersion == 1)
{
this.QtV1SamplesPerPacket = stream.ReadUInt32();
this.QtV1BytesPerPacket = stream.ReadUInt32();
this.QtV1BytesPerFrame = stream.ReadUInt32();
this.QtV1BytesPerSample = stream.ReadUInt32();
}
else if (this.QtVersion == 2)
{
uint num2;
uint num3;
this.QtV2StructSize = stream.ReadUInt32();
this.QtV2SampleRate64 = stream.ReadDouble();
this.QtV2ChannelCount = stream.ReadUInt32();
this.QtV2Reserved = stream.ReadUInt32();
this.QtV2BitsPerChannel = stream.ReadUInt32();
this.QtV2FormatSpecificFlags = stream.ReadUInt32();
this.QtV2BytesPerAudioPacket = stream.ReadUInt32();
this.QtV2LPCMFramesPerAudioPacket = stream.ReadUInt32();
if (this.QtV2StructSize > 0x48)
{
uint num = this.QtV2StructSize - 0x48;
this.QtV2Extension = new byte[num];
stream.Read(this.QtV2Extension, (int)num);
}
this.QtV1BytesPerSample = num2 = 0;
this.QtV1BytesPerFrame = num3 = num2;
this.QtV1SamplesPerPacket = this.QtV1BytesPerPacket = num3;
}
else
{
this.QtV1SamplesPerPacket = 0;
this.QtV1BytesPerPacket = 0;
this.QtV1BytesPerFrame = 0;
this.QtV1BytesPerSample = 0;
this.QtV2StructSize = 0;
this.QtV2SampleRate64 = 0.0;
this.QtV2ChannelCount = 0;
this.QtV2Reserved = 0;
this.QtV2BitsPerChannel = 0;
this.QtV2FormatSpecificFlags = 0;
this.QtV2BytesPerAudioPacket = 0;
this.QtV2LPCMFramesPerAudioPacket = 0;
}
}
public Mp4RtpBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.RTP_, 0L)
{
this.DescriptionFormat = stream.ReadUInt32();
int count = ((int)size) - 12;
if (count > 0)
{
byte[] buffer = new byte[count];
stream.Read(buffer, count);
this.Text = Encoding.ASCII.GetString(buffer);
}
}
public Mp4UrlBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.URL_, 0L, stream)
{
if ((base.Flags & 1) == 0)
{
int count = ((int)size) - 12;
if (count > 0)
{
byte[] buffer = new byte[count];
stream.Read(buffer, count);
this.Location = Encoding.ASCII.GetString(buffer);
}
}
}
public override void ReadFields(Mp4Stream stream)
{
base.ReadFields(stream);
this.Predefined1 = stream.ReadUInt16();
this.Reserved2 = stream.ReadUInt16();
stream.Read(this.Predefined2, this.Predefined2.Length);
this.Width = stream.ReadUInt16();
this.Height = stream.ReadUInt16();
this.HorizResolution = stream.ReadUInt32();
this.VertResolution = stream.ReadUInt32();
this.Reserved3 = stream.ReadUInt32();
this.FrameCount = stream.ReadUInt16();
byte[] buffer = new byte[0x20];
stream.Read(buffer, 0x20);
int count = buffer[0];
if (count < 0x20)
{
this.CompressorName = Encoding.ASCII.GetString(buffer, 1, count);
}
this.Depth = stream.ReadUInt16();
this.Predefined3 = stream.ReadUInt16();
}
public Mp4EsDescriptor(Mp4Stream stream, uint headerSize, uint payloadSize) : base(Mp4DescriptorTag.ES, headerSize, payloadSize)
{
Mp4Descriptor descriptor;
long position = stream.Position;
this.EsId = stream.ReadUInt16();
byte num2 = stream.ReadUInt08();
this.Flags = (uint)((num2 >> 5) & 7);
this.StreamPriority = (byte)(num2 & 0x1f);
if ((this.Flags & 1) != 0)
{
this.DependsOn = stream.ReadUInt16();
}
else
{
this.DependsOn = 0;
}
if ((this.Flags & 2) != 0)
{
byte count = stream.ReadUInt08();
if (count != 0)
{
byte[] buffer = new byte[count + 1];
stream.Read(buffer, count);
buffer[count] = 0;
this.Url = Encoding.ASCII.GetString(buffer, 0, count);
}
}
if ((this.Flags & 2) != 0)
{
this.OcrEsId = stream.ReadUInt16();
}
else
{
this.OcrEsId = 0;
}
long offset = stream.Position;
this.SubDescriptors = new List <Mp4Descriptor>();
Mp4DescriptorFactory factory = new Mp4DescriptorFactory();
Mp4SubStream stream2 = new Mp4SubStream(stream, offset, (long)(payloadSize - ((uint)(offset - position))));
while ((descriptor = factory.Read(stream2)) != null)
{
this.SubDescriptors.Add(descriptor);
}
}
public Mp4StcoBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.STCO, 0L, stream)
{
uint num = stream.ReadUInt32();
if (num > (((size - 12) - 4) / 4))
{
num = ((size - 12) - 4) / 4;
}
this.Entries = new List <uint>((int)num);
byte[] buffer = new byte[num * 4];
stream.Read(buffer, (int)(num * 4));
for (int i = 0; i < num; i++)
{
this.Entries.Add(Mp4Util.BytesToUInt32BE(buffer, i * 4));
}
}
public Mp4StszBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.STSZ, 0L, stream)
{
this.SampleSize = stream.ReadUInt32();
uint num = stream.ReadUInt32();
if (this.SampleSize == 0)
{
this.Entries = new List <uint>((int)num);
byte[] buffer = new byte[num * 4];
stream.Read(buffer, (int)(num * 4));
for (uint i = 0; i < num; i++)
{
this.Entries.Add(Mp4Util.BytesToUInt32BE(buffer, (int)(i * 4)));
}
}
else
{
this.Entries = new List <uint>();
}
}
public Mp4CttsBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.CTTS, 0L, stream)
{
this.lookupCache = new LookupCache();
uint num = stream.ReadUInt32();
this.Entries = new List <Mp4CttsEntry>((int)num);
byte[] buffer = new byte[num * 8];
stream.Read(buffer, (int)(num * 8));
bool flag = false;
int num2 = 0;
for (int i = 0; i < num; i++)
{
this.Entries.Add(new Mp4CttsEntry());
this.Entries[i].SampleCount = Mp4Util.BytesToUInt32BE(buffer, i * 8);
uint num4 = Mp4Util.BytesToUInt32BE(buffer, (i * 8) + 4);
if ((num4 & 0x80000000) != 0)
{
flag = true;
int num5 = (int)num4;
if (num5 < num2)
{
num2 = num5;
}
}
this.Entries[i].SampleOffset = num4;
}
if (flag)
{
for (int j = 0; j < num; j++)
{
Mp4CttsEntry local1 = this.Entries[j];
local1.SampleOffset -= (uint)num2;
}
}
}
public Mp4DecoderSpecificInfoDescriptor(Mp4Stream stream, uint headerSize, uint payloadSize) : base(Mp4DescriptorTag.DECODER_SPECIFIC_INFO, headerSize, payloadSize)
{
this.Info = new byte[payloadSize];
stream.Read(this.Info, (int)payloadSize);
}
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);
}
}
}
}
public Mp4UnknownDescriptor(Mp4Stream stream, Mp4DescriptorTag tag, uint headerSize, uint payloadSize) : base(tag, headerSize, payloadSize)
{
this.Data = new byte[payloadSize];
stream.Read(this.Data, (int)payloadSize);
}
public Mp4NameBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.NAME)
{
byte[] buffer = new byte[size - this.HeaderSize];
stream.Read(buffer, buffer.Length);
this.Name = Encoding.ASCII.GetString(buffer);
}
public virtual void ReadFields(Mp4Stream stream)
{
stream.Read(this.Reserved, this.Reserved.Length);
this.DataReferenceIndex = stream.ReadUInt16();
}
