public Mp4BoxSampleTable(Mp4ContainerBox stbl, Mp4Stream sampleStream)
{
this.SampleStream = sampleStream;
this.StscAtom = stbl.GetChild <Mp4StscBox>(Mp4BoxType.STSC);
this.StcoAtom = stbl.GetChild <Mp4StcoBox>(Mp4BoxType.STCO);
this.StszAtom = stbl.GetChild <Mp4StszBox>(Mp4BoxType.STSZ);
this.SttsAtom = stbl.GetChild <Mp4SttsBox>(Mp4BoxType.STTS);
this.CttsAtom = stbl.GetChild <Mp4CttsBox>(Mp4BoxType.CTTS);
this.StsdAtom = stbl.GetChild <Mp4StsdBox>(Mp4BoxType.STSD);
this.StssAtom = stbl.GetChild <Mp4StssBox>(Mp4BoxType.STSS);
this.Co64Atom = stbl.GetChild <Mp4Co64Box>(Mp4BoxType.CO64);
}
public Mp4Track(Mp4TrakBox box, Mp4Stream stream, uint movieTimeScale)
{
this.TrakBox = box;
Mp4HdlrBox box2 = box.FindChild <Mp4HdlrBox>("mdia/hdlr");
if (box2 != null)
{
uint handlerType = box2.HandlerType;
if (handlerType == Mp4HandlerType.SOUN)
{
this.Type = Mp4TrackType.AUDIO;
}
else if (handlerType == Mp4HandlerType.VIDE)
{
this.Type = Mp4TrackType.VIDEO;
}
else if (handlerType == Mp4HandlerType.HINT)
{
this.Type = Mp4TrackType.HINT;
}
else if ((handlerType == Mp4HandlerType.ODSM) || (handlerType == Mp4HandlerType.SDSM))
{
this.Type = Mp4TrackType.SYSTEM;
}
else if ((handlerType == Mp4HandlerType.TEXT) || (handlerType == Mp4HandlerType.TX3G))
{
this.Type = Mp4TrackType.TEXT;
}
else if (handlerType == Mp4HandlerType.JPEG)
{
this.Type = Mp4TrackType.JPEG;
}
}
Mp4ContainerBox stbl = box.FindChild <Mp4ContainerBox>("mdia/minf/stbl");
if (stbl != null)
{
this.SampleTable = new Mp4BoxSampleTable(stbl, stream);
}
}
public Mp4TrakBox(Mp4SampleTable sampleTable, uint hdlrType, string hdlrName, uint trackId, DateTime creationTime, DateTime modificationTime, ulong trackDuration, uint mediaTimeScale, ulong mediaDuration, ushort volume, string language, uint width, uint height) : base(8, Mp4BoxType.TRAK)
{
Mp4Box box4;
this.TkhdBox = new Mp4TkhdBox(creationTime, modificationTime, trackId, trackDuration, volume, width, height);
Mp4MdiaBox child = new Mp4MdiaBox();
Mp4HdlrBox box2 = new Mp4HdlrBox(hdlrType, hdlrName);
Mp4ContainerBox box3 = new Mp4ContainerBox(8, Mp4BoxType.MINF);
if (hdlrType == Mp4HandlerType.VIDE)
{
box4 = new Mp4VmhdBox(0, 0, 0, 0);
}
else if (hdlrType == Mp4HandlerType.SOUN)
{
box4 = new Mp4SmhdBox(0);
}
else
{
box4 = new Mp4NmhdBox();
}
Mp4ContainerBox box5 = new Mp4ContainerBox(8, Mp4BoxType.DINF);
Mp4Box box6 = new Mp4UrlBox();
Mp4DrefBox box7 = new Mp4DrefBox(new Mp4Box[] { box6 });
Mp4ContainerBox box8 = sampleTable?.GenerateStblAtom();
box5.AddChild(box7);
box3.AddChild(box4);
box3.AddChild(box5);
if (box8 != null)
{
box3.AddChild(box8);
}
this.MdhdBox = new Mp4MdhdBox(creationTime, modificationTime, mediaTimeScale, mediaDuration, language);
child.AddChild(this.MdhdBox);
child.AddChild(box2);
child.AddChild(box3);
base.AddChild(this.TkhdBox);
base.AddChild(child);
}
public virtual Mp4ContainerBox GenerateStblAtom()
{
Mp4ContainerBox box = new Mp4ContainerBox(8, Mp4BoxType.STBL);
Mp4StsdBox child = new Mp4StsdBox(this);
Mp4StszBox box3 = new Mp4StszBox();
Mp4StscBox box4 = new Mp4StscBox();
Mp4SttsBox box5 = new Mp4SttsBox();
Mp4StssBox box6 = new Mp4StssBox();
Mp4CttsBox box7 = null;
uint num = 0;
uint num2 = 0;
ulong item = 0L;
uint samplesPerChunk = 0;
uint descriptionIndex = 0;
uint sampleDelta = 0;
uint sampleCount = 0;
uint sampleOffset = 0;
uint num9 = 0;
List <ulong> list = new List <ulong>();
bool flag = false;
int num10 = this.SampleCount;
for (int i = 0; i < num10; i++)
{
Mp4Sample sample = this.GetSample(i);
uint duration = sample.Duration;
if ((duration != sampleDelta) && (sampleCount != 0))
{
box5.Entries.Add(new Mp4SttsEntry(sampleCount, sampleDelta));
sampleCount = 0;
}
sampleCount++;
sampleDelta = duration;
uint ctsDelta = sample.CtsDelta;
if ((ctsDelta != sampleOffset) && (num9 != 0))
{
if (box7 == null)
{
box7 = new Mp4CttsBox();
}
box7.Entries.Add(new Mp4CttsEntry(num9, sampleOffset));
num9 = 0;
}
num9++;
sampleOffset = ctsDelta;
descriptionIndex = sample.DescriptionIndex;
box3.Entries.Add((uint)sample.Size);
if (sample.IsSync)
{
box6.Entries.Add((uint)(i + 1));
if (i == 0)
{
flag = true;
}
}
else
{
flag = false;
}
uint chunkIndex = 0;
uint positionInChunk = 0;
this.GetSampleChunkPosition((uint)i, out chunkIndex, out positionInChunk);
if ((chunkIndex != num) && (samplesPerChunk != 0))
{
list.Add(item);
item += num2;
box4.Entries.Add(new Mp4StscEntry(1, samplesPerChunk, descriptionIndex + 1));
samplesPerChunk = 0;
num2 = 0;
}
num = chunkIndex;
num2 += (uint)sample.Size;
samplesPerChunk++;
}
box5.Entries.Add(new Mp4SttsEntry(sampleCount, sampleDelta));
if (box7 != null)
{
if (num9 == 0)
{
throw new Exception("ASSERT(current_cts_delta_run != 0)");
}
box7.Entries.Add(new Mp4CttsEntry(num9, sampleOffset));
}
if (samplesPerChunk != 0)
{
list.Add(item);
box4.Entries.Add(new Mp4StscEntry(1, samplesPerChunk, descriptionIndex + 1));
}
box.AddChild(child);
box.AddChild(box3);
box.AddChild(box4);
box.AddChild(box5);
if (box7 != null)
{
box.AddChild(box7);
}
if (!flag && (box6.Entries.Count != 0))
{
box.AddChild(box6);
}
uint count = (uint)list.Count;
if (item <= 0xffffffffL)
{
uint[] entries = new uint[count];
for (uint j = 0; j < count; j++)
{
entries[j] = (uint)list[(int)j];
}
Mp4StcoBox box8 = new Mp4StcoBox(entries);
box.AddChild(box8);
return(box);
}
Mp4Co64Box box9 = new Mp4Co64Box(list.ToArray());
box.AddChild(box9);
return(box);
}