public Mp4TkhdBox(DateTime creationTime, DateTime modificationTime, uint trackId, ulong duration, ushort volume, uint width, uint height) : base(0x68, Mp4BoxType.TKHD, 0L, 1, 7)
{
this.Reserved2 = new byte[8];
this.Matrix = new uint[9];
this.CreationTime = Mp4Util.ConvertTime(creationTime);
this.ModificationTime = Mp4Util.ConvertTime(modificationTime);
this.TrackId = trackId;
this.Reserved1 = 0;
this.Duration = duration;
this.Layer = 0;
this.AlternateGroup = 0;
this.Volume = volume;
this.Reserved3 = 0;
this.Width = width;
this.Height = height;
this.Matrix[0] = 0x10000;
this.Matrix[1] = 0;
this.Matrix[2] = 0;
this.Matrix[3] = 0;
this.Matrix[4] = 0x10000;
this.Matrix[5] = 0;
this.Matrix[6] = 0;
this.Matrix[7] = 0;
this.Matrix[8] = 0x40000000;
this.Reserved2[0] = 0;
this.Reserved2[1] = 0;
}
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 Mp4MdhdBox(DateTime creationTime, DateTime modificationTime, uint timeScale, ulong duration, string language) : base(0x2c, Mp4BoxType.MDHD, 0L, 1, 0)
{
this.CreationTime = Mp4Util.ConvertTime(creationTime);
this.ModificationTime = Mp4Util.ConvertTime(modificationTime);
this.TimeScale = timeScale;
this.Duration = duration;
this.Language = language;
if (language.Length != 3)
{
throw new Mp4Exception("Language must be of length 3.");
}
}
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 static T FindChild <T>(this IMp4ContainerBox container, string path) where T : Mp4Box
{
IMp4ContainerBox box = container;
while (path.Length >= 4)
{
string str;
if (path.Length == 4)
{
str = null;
}
else if (path[4] == '/')
{
str = path.Substring(5);
}
else
{
return(default(T));
}
uint type = Mp4Util.Create(path[0], path[1], path[2], path[3]);
Mp4Box child = box.GetChild <Mp4Box>(type);
if (child == null)
{
return(default(T));
}
if (str != null)
{
path = str;
box = child as IMp4ContainerBox;
if (box == null)
{
return(default(T));
}
}
else
{
return((T)child);
}
}
return(default(T));
}
public Mp4MvhdBox(DateTime creationTime, DateTime modificationTime, uint timeScale, ulong duration, uint rate, ushort volume) : base(120, Mp4BoxType.MVHD, 0L, 1, 0)
{
this.Reserved1 = new byte[2];
this.Reserved2 = new byte[8];
this.Matrix = new uint[9];
this.Predefined = new byte[0x18];
this.CreationTime = Mp4Util.ConvertTime(creationTime);
this.ModificationTime = Mp4Util.ConvertTime(modificationTime);
this.TimeScale = timeScale;
this.Duration = duration;
this.Rate = rate;
this.Volume = volume;
this.NextTrackId = uint.MaxValue;
this.Matrix[0] = 0x10000;
this.Matrix[1] = 0;
this.Matrix[2] = 0;
this.Matrix[3] = 0;
this.Matrix[4] = 0x10000;
this.Matrix[5] = 0;
this.Matrix[6] = 0;
this.Matrix[7] = 0;
this.Matrix[8] = 0x40000000;
}
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 uint ReadUInt32()
{
byte[] buffer = new byte[4];
this.Read(buffer, 4);
return(Mp4Util.BytesToUInt32BE(buffer));
}
public long ReadInt64()
{
byte[] buffer = new byte[8];
this.Read(buffer, 8);
return((long)Mp4Util.BytesToUInt64BE(buffer));
}
public double ReadDouble()
{
byte[] buffer = new byte[8];
this.Read(buffer, 8);
return(Mp4Util.BytesToDoubleBE(buffer));
}
public void WriteUInt64(ulong value)
{
byte[] bytes = new byte[8];
Mp4Util.BytesFromUInt64BE(bytes, value);
this.Write(bytes, 8);
}
public void WriteUInt32(uint value)
{
byte[] bytes = new byte[4];
Mp4Util.BytesFromUInt32BE(bytes, value);
this.Write(bytes, 4);
}
public void WriteUInt24(uint value)
{
byte[] bytes = new byte[3];
Mp4Util.BytesFromUInt24BE(bytes, value);
this.Write(bytes, 3);
}
public void WriteUInt16(ushort value)
{
byte[] bytes = new byte[2];
Mp4Util.BytesFromUInt16BE(bytes, value);
this.Write(bytes, 2);
}
public void WriteDouble(double value)
{
byte[] bytes = new byte[8];
Mp4Util.BytesFromDoubleBE(bytes, value);
this.Write(bytes, 8);
}
public override string ToString() =>
(Mp4Util.FormatFourChars(this.Type) + "(" + ((this.Size != 1) ? ("Size:" + this.Size) : ("LargeSize" + this.LargeSize)) + ((this.Parent != null) ? (",Parent:" + Mp4Util.FormatFourChars(this.Parent.Type)) : "") + ")");
public ushort ReadUInt16()
{
byte[] buffer = new byte[2];
this.Read(buffer, 2);
return(Mp4Util.BytesToUInt16BE(buffer));
}
public uint ReadUInt24()
{
byte[] buffer = new byte[3];
this.Read(buffer, 3);
return(Mp4Util.BytesToUInt24BE(buffer));
}
public override string ToString()
{
object obj2 = string.Empty;
return(string.Concat(new object[] { obj2, "ftyp(MajorBrand:", Mp4Util.FormatFourChars(this.MajorBrand), ",MinorVersion:", this.MinorVersion }) + ((this.CompatibleBrands.Count > 0) ? (",CompatibleBrands:" + Mp4Util.FormatFourChars(this.CompatibleBrands)) : "") + ")");
}
