public override void WriteFields(Mp4Stream stream)
{
stream.WriteUInt16(this.EsId);
byte num = (byte)(this.StreamPriority | ((byte)(this.Flags << 5)));
stream.WriteUInt08(num);
if ((this.Flags & 1) != 0)
{
stream.WriteUInt16(this.DependsOn);
}
if ((this.Flags & 2) != 0)
{
byte[] bytes = Encoding.ASCII.GetBytes(this.Url);
stream.WriteUInt08((byte)bytes.Length);
stream.Write(bytes, bytes.Length);
stream.WriteUInt08(0);
}
if ((this.Flags & 4) != 0)
{
stream.WriteUInt16(this.OcrEsId);
}
foreach (Mp4Descriptor descriptor in this.SubDescriptors)
{
descriptor.Write(stream);
}
}
public Mp4RtpHintSampleEntry(uint size, Mp4Stream stream, Mp4BoxFactory factory) : base(size, Mp4BoxType.RTP_)
{
uint fieldsSize = this.GetFieldsSize();
this.ReadFields(stream);
base.ReadChildren(stream, factory, (long)((size - 8) - fieldsSize));
}
public Mp4ElstBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.ELST, 0L, stream)
{
uint num = stream.ReadUInt32();
this.Entries = new List <Mp4ElstEntry>();
for (uint i = 0; i < num; i++)
{
short num3;
if (base.Version == 0)
{
uint num4 = stream.ReadUInt32();
int num5 = stream.ReadInt32();
num3 = stream.ReadInt16();
stream.ReadInt16();
this.Entries.Add(new Mp4ElstEntry((ulong)num4, (long)num5, num3));
}
else
{
ulong segmentDuration = stream.ReadUInt64();
long mediaTime = stream.ReadInt64();
num3 = stream.ReadInt16();
stream.ReadInt16();
this.Entries.Add(new Mp4ElstEntry(segmentDuration, mediaTime, num3));
}
}
}
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 override void ReadFields(Mp4Stream stream)
{
base.ReadFields(stream);
this.HintTrackVersion = stream.ReadUInt16();
this.HighestCompatibleVersion = stream.ReadUInt16();
this.MaxPacketSize = stream.ReadUInt32();
}
public override void WriteBody(Mp4Stream stream)
{
stream.WriteUInt32((uint)this.Entries.Count);
if ((base.Flags & 1) != 0)
{
stream.WriteUInt32((uint)this.DataOffset);
}
if ((base.Flags & 4) != 0)
{
stream.WriteUInt32(this.FirstSampleFlags);
}
for (int i = 0; i < this.Entries.Count; i++)
{
if ((base.Flags & 0x100) != 0)
{
stream.WriteUInt32(this.Entries[i].SampleDuration);
}
if ((base.Flags & 0x200) != 0)
{
stream.WriteUInt32(this.Entries[i].SampleSize);
}
if ((base.Flags & 0x400) != 0)
{
stream.WriteUInt32(this.Entries[i].SampleFlags);
}
if ((base.Flags & 0x800) != 0)
{
stream.WriteUInt32(this.Entries[i].SampleCompositionTimeOffset);
}
}
}
public Mp4AudioSampleEntry(uint size, uint format, Mp4Stream stream, Mp4BoxFactory factory) : base(size, format)
{
this.ReadFields(stream);
uint fieldsSize = this.GetFieldsSize();
base.ReadChildren(stream, factory, (long)((size - 8) - fieldsSize));
}
public Mp4File(Mp4Stream stream, Mp4BoxFactory factory, bool moovOnly)
{
this.Boxes = new List <Mp4Box>();
bool flag = true;
while (flag)
{
long position = stream.Position;
Mp4Box item = factory.Read(stream);
if (item != null)
{
this.Boxes.Add(item);
if (item.Type == Mp4BoxType.MOOV)
{
this.Movie = new Mp4Movie((Mp4MoovBox)item, stream);
if (moovOnly)
{
flag = false;
}
}
else if (item.Type == Mp4BoxType.FTYP)
{
this.FileType = (Mp4FtypBox)item;
}
else if ((item.Type == Mp4BoxType.MDAT) && (this.Movie == null))
{
this.MoovIsBeforeMdat = false;
}
}
else
{
flag = false;
}
}
}
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 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 virtual void AddSample(Mp4Stream dataStream, ulong offset, uint size, uint duration, uint descriptionIndex, ulong dts, uint ctsDelta, bool sync)
{
if (this.samples.Count > 0)
{
Mp4Sample sample = this.samples[this.samples.Count - 1];
if (dts == 0L)
{
if (sample.Duration == 0)
{
throw new Exception("INVALID_PARAMETERS");
}
dts = sample.Dts + sample.Duration;
}
else if (sample.Duration == 0)
{
if (dts <= sample.Dts)
{
throw new Exception("INVALID_PARAMETERS");
}
sample.Duration = (uint)(dts - sample.Dts);
}
else if (dts != (sample.Dts + sample.Duration))
{
throw new Exception("INVALID_PARAMETERS");
}
}
Mp4Sample item = new Mp4Sample(dataStream, (long)offset, (int)size, duration, descriptionIndex, dts, ctsDelta, sync);
this.samples.Add(item);
}
public override void WriteFields(Mp4Stream stream)
{
if ((base.PayloadSize != 0) && (this.Info != null))
{
stream.Write(this.Info, this.Info.Length);
}
}
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 override void WriteBody(Mp4Stream stream)
{
for (int i = 0; i < this.TrackIds.Count; i++)
{
stream.WriteUInt32(this.TrackIds[i]);
}
}
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 override void WriteBody(Mp4Stream stream)
{
if (base.Version == 0)
{
stream.WriteUInt32((uint)this.CreationTime);
stream.WriteUInt32((uint)this.ModificationTime);
stream.WriteUInt32(this.TrackId);
stream.WriteUInt32(this.Reserved1);
stream.WriteUInt32((uint)this.Duration);
}
else
{
stream.WriteUInt64(this.CreationTime);
stream.WriteUInt64(this.ModificationTime);
stream.WriteUInt32(this.TrackId);
stream.WriteUInt32(this.Reserved1);
stream.WriteUInt64(this.Duration);
}
stream.Write(this.Reserved2, this.Reserved2.Length);
stream.WriteUInt16(this.Layer);
stream.WriteUInt16(this.AlternateGroup);
stream.WriteUInt16(this.Volume);
stream.WriteUInt16(this.Reserved3);
for (int i = 0; i < 9; i++)
{
stream.WriteUInt32(this.Matrix[i]);
}
stream.WriteUInt32(this.Width);
stream.WriteUInt32(this.Height);
}
public Mp4TrunBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.TRUN, 0L, stream)
{
uint num = stream.ReadUInt32();
if ((base.Flags & 1) != 0)
{
this.DataOffset = (int)stream.ReadUInt32();
}
if ((base.Flags & 4) != 0)
{
this.FirstSampleFlags = stream.ReadUInt32();
}
this.Entries = new List <Mp4TrunEntry>((int)num);
for (int i = 0; i < num; i++)
{
this.Entries.Add(new Mp4TrunEntry());
if ((base.Flags & 0x100) != 0)
{
this.Entries[i].SampleDuration = stream.ReadUInt32();
}
if ((base.Flags & 0x200) != 0)
{
this.Entries[i].SampleSize = stream.ReadUInt32();
}
if ((base.Flags & 0x400) != 0)
{
this.Entries[i].SampleFlags = stream.ReadUInt32();
}
if ((base.Flags & 0x800) != 0)
{
this.Entries[i].SampleCompositionTimeOffset = stream.ReadUInt32();
}
}
}
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 Mp4FullBox(uint size, uint type, ulong largeSize, Mp4Stream stream) : base(size, type, largeSize)
{
uint num = stream.ReadUInt32();
this.Version = (num >> 0x18) & 0xff;
this.Flags = num & 0xffffff;
}
public override void WriteBody(Mp4Stream stream)
{
if (base.Version == 0)
{
stream.WriteUInt32((uint)this.CreationTime);
stream.WriteUInt32((uint)this.ModificationTime);
stream.WriteUInt32(this.TimeScale);
stream.WriteUInt32((uint)this.Duration);
}
else
{
stream.WriteUInt64(this.CreationTime);
stream.WriteUInt64(this.ModificationTime);
stream.WriteUInt32(this.TimeScale);
stream.WriteUInt64(this.Duration);
}
stream.WriteUInt32(this.Rate);
stream.WriteUInt16(this.Volume);
stream.Write(this.Reserved1, this.Reserved1.Length);
stream.Write(this.Reserved2, this.Reserved2.Length);
for (int i = 0; i < 9; i++)
{
stream.WriteUInt32(this.Matrix[i]);
}
stream.Write(this.Predefined, this.Predefined.Length);
stream.WriteUInt32(this.NextTrackId);
}
public override void WriteInnerBody(Mp4Stream stream)
{
base.WriteInnerBody(stream);
stream.WriteUInt16(this.QtVersion);
stream.WriteUInt16(this.QtRevision);
stream.WriteUInt32(this.QtVendor);
stream.WriteUInt16(this.ChannelCount);
stream.WriteUInt16(this.SampleSize);
stream.WriteUInt16(this.QtCompressionId);
stream.WriteUInt16(this.QtPacketSize);
stream.WriteUInt32(this.SampleRate);
if (this.QtVersion == 1)
{
stream.WriteUInt32(this.QtV1SamplesPerPacket);
stream.WriteUInt32(this.QtV1BytesPerPacket);
stream.WriteUInt32(this.QtV1BytesPerFrame);
stream.WriteUInt32(this.QtV1BytesPerSample);
}
else if (this.QtVersion == 2)
{
stream.WriteUInt32(this.QtV2StructSize);
stream.WriteDouble(this.QtV2SampleRate64);
stream.WriteUInt32(this.QtV2ChannelCount);
stream.WriteUInt32(this.QtV2Reserved);
stream.WriteUInt32(this.QtV2BitsPerChannel);
stream.WriteUInt32(this.QtV2FormatSpecificFlags);
stream.WriteUInt32(this.QtV2BytesPerAudioPacket);
stream.WriteUInt32(this.QtV2LPCMFramesPerAudioPacket);
if (this.QtV2Extension != null)
{
stream.Write(this.QtV2Extension, this.QtV2Extension.Length);
}
}
}
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 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 override void WriteInnerBody(Mp4Stream stream)
{
base.WriteInnerBody(stream);
stream.WriteUInt16(this.Predefined1);
stream.WriteUInt16(this.Reserved2);
stream.Write(this.Predefined2, this.Predefined2.Length);
stream.WriteUInt16(this.Width);
stream.WriteUInt16(this.Height);
stream.WriteUInt32(this.HorizResolution);
stream.WriteUInt32(this.VertResolution);
stream.WriteUInt32(this.Reserved3);
stream.WriteUInt16(this.FrameCount);
byte[] buffer = new byte[0x20];
int length = this.CompressorName.Length;
if (length > 0x1f)
{
length = 0x1f;
}
buffer[0] = (byte)length;
for (int i = 0; i < length; i++)
{
buffer[i + 1] = (byte)this.CompressorName[i];
}
for (int j = length + 1; j < 0x20; j++)
{
buffer[j] = 0;
}
stream.Write(buffer, 0x20);
stream.WriteUInt16(this.Depth);
stream.WriteUInt16(this.Predefined3);
}
public override void WriteInnerBody(Mp4Stream stream)
{
base.WriteInnerBody(stream);
stream.WriteUInt16(this.HintTrackVersion);
stream.WriteUInt16(this.HighestCompatibleVersion);
stream.WriteUInt32(this.MaxPacketSize);
}
public override void WriteBody(Mp4Stream stream)
{
if (this.EsDescriptor != null)
{
this.EsDescriptor.Write(stream);
}
}
public override void WriteBody(Mp4Stream stream)
{
stream.WriteUInt08(this.ConfigurationVersion);
stream.WriteUInt08(this.AVCProfileIndication);
stream.WriteUInt08(this.AVCCompatibleProfiles);
stream.WriteUInt08(this.AVCLevelIndication);
byte num = 0xfc;
if ((this.NaluLengthSize >= 1) && (this.NaluLengthSize <= 4))
{
num = (byte)(num | ((byte)(this.NaluLengthSize - 1)));
}
stream.WriteUInt08(num);
this.NaluLengthSize = (byte)(1 + (num & 3));
byte num2 = (byte)(this.SequenceParameters.Count & 0x31);
stream.WriteUInt08((byte)(0xe0 | num2));
for (int i = 0; i < num2; i++)
{
ushort length = (ushort)this.SequenceParameters[i].Length;
stream.WriteUInt16(length);
stream.Write(this.SequenceParameters[i], length);
}
byte count = (byte)this.PictureParameters.Count;
stream.WriteUInt08(count);
for (int j = 0; j < count; j++)
{
ushort length = (ushort)this.PictureParameters[j].Length;
stream.WriteUInt16(length);
stream.Write(this.PictureParameters[j], length);
}
}
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 override void WriteBody(Mp4Stream stream)
{
stream.WriteUInt16(this.GraphicsMode);
stream.WriteUInt16(this.OpColor[0]);
stream.WriteUInt16(this.OpColor[1]);
stream.WriteUInt16(this.OpColor[2]);
}
public Mp4HmhdBox(uint size, Mp4Stream stream) : base(size, Mp4BoxType.HMHD, 0L, stream)
{
this.MaxPduSize = stream.ReadUInt16();
this.AvgPduSize = stream.ReadUInt16();
this.MaxBitrate = stream.ReadUInt32();
this.AvgBitrate = stream.ReadUInt32();
this.Reserved = stream.ReadUInt32();
}
