public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader)) {
base.Read(reader);
TrackHeaderBox.Read(reader);
while (this.Size > (ulong)(reader.BaseStream.Position - (long)this.Offset))
{
long pos = reader.BaseStream.Position;
BoxType next = reader.PeekNextBoxType();
if (next == BoxTypes.Edts)
{
EdtsBox = new EdtsBox();
EdtsBox.movieTimeScale = movieTimeScale;
EdtsBox.Read(reader);
}
else if (next == BoxTypes.TrackReference)
{
TrackReferenceBox = new TrackReferenceBox();
TrackReferenceBox.Read(reader);
}
else if (next == BoxTypes.Media)
{
MediaBox = new MediaBox(this);
MediaBox.Read(reader);
}
else
{
Box unknown = new Box(BoxTypes.Any);
unknown.Read(reader);
Debug.WriteLine(string.Format("Unknow box type {0} in Trak box, skipped", next.ToString()));
}
}
}
}
public override void Read(BoxReader reader)
{
using (SizeChecker checker = new SizeChecker(this, reader)) {
base.Read(reader);
this.TrackFragmentHeaderBox.Read(reader);
this.TrackFragmentRunBox.Read(reader);
while (checker.DataLeft() > 8)
{
// it appears that Independent and Disposable Sample Box is optional
BoxType nextbox = reader.PeekNextBoxType();
if (nextbox == BoxTypes.IndependentAndDisposableSamplesBox)
{
this.IndependentAndDisposableSamplesBox = new IndependentAndDisposableSamplesBox(this.TrackFragmentRunBox.Samples.Count);
this.IndependentAndDisposableSamplesBox.Read(reader);
continue;
}
if (nextbox == BoxTypes.UUID)
{
UserUniqueIDBox = new UserUniqueIDBox();
UserUniqueIDBox.Read(reader);
continue;
}
break; // this shouldn't happen, and it should force the SizeChecker to throw an exception as it means we didn't read everything...
}
}
}
public override void Read(BoxReader reader)
{
using (SizeChecker checker = new SizeChecker(this, reader)) {
base.Read(reader);
this.TrackFragmentHeaderBox.Read(reader);
this.TrackFragmentRunBox.Read(reader);
while (checker.DataLeft() > 8) {
// it appears that Independent and Disposable Sample Box is optional
BoxType nextbox = reader.PeekNextBoxType();
if (nextbox == BoxTypes.IndependentAndDisposableSamplesBox) {
this.IndependentAndDisposableSamplesBox = new IndependentAndDisposableSamplesBox(this.TrackFragmentRunBox.Samples.Count);
this.IndependentAndDisposableSamplesBox.Read(reader);
continue;
}
if (nextbox == BoxTypes.UUID) {
UserUniqueIDBox = new UserUniqueIDBox();
UserUniqueIDBox.Read(reader);
continue;
}
break; // this shouldn't happen, and it should force the SizeChecker to throw an exception as it means we didn't read everything...
}
}
}
public ISMVFile(string inDir, string inFileName)
{
strDir = inDir;
strFileName = inFileName;
boxReader = new BoxReader(File.Open(Path.Combine(inDir, inFileName), FileMode.Open, FileAccess.Read, FileShare.Read));
boxReader2 = new BoxReader(File.Open(Path.Combine(inDir, inFileName), FileMode.Open, FileAccess.Read, FileShare.Read));
ftb.Read(boxReader);
mmb.Read(boxReader);
BoxType nextType = boxReader.PeekNextBoxType();
}
public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader))
{
base.Read(reader);
this.TrackFragmentRandomAccessBoxes = new List<TrackFragmentRandomAccessBox>();
while (reader.PeekNextBoxType() == BoxTypes.TrackFragmentRandomAccess) {
TrackFragmentRandomAccessBox item = new TrackFragmentRandomAccessBox();
item.Read(reader);
this.TrackFragmentRandomAccessBoxes.Add(item);
}
this.MovieFragmentRandomAccessOffsetBox = new MovieFragmentRandomAccessOffsetBox();
this.MovieFragmentRandomAccessOffsetBox.Read(reader);
}
}
public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader))
{
base.Read(reader);
this.TrackFragmentRandomAccessBoxes = new List <TrackFragmentRandomAccessBox>();
while (reader.PeekNextBoxType() == BoxTypes.TrackFragmentRandomAccess)
{
TrackFragmentRandomAccessBox item = new TrackFragmentRandomAccessBox();
item.Read(reader);
this.TrackFragmentRandomAccessBoxes.Add(item);
}
this.MovieFragmentRandomAccessOffsetBox = new MovieFragmentRandomAccessOffsetBox();
this.MovieFragmentRandomAccessOffsetBox.Read(reader);
}
}
public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader)) {
base.Read(reader);
// Apple either omits the header, or puts it after the TrackExtendBoxes
BoxType boxType = reader.PeekNextBoxType();
if (boxType == BoxTypes.MovieExtendsHeader)
{
MovieExtendsHeaderBox = new MovieExtendsHeaderBox();
MovieExtendsHeaderBox.Read(reader);
}
// Apple puts the MovieExtendsBoxes BEFORE TrackBoxes, so TrackBoxes may be NULL below.
if (parent.TrackBoxes != null)
{
TrackExtendBoxes = new TrackExtendsBox[parent.TrackBoxes.Length];
for (int i = 0; i < parent.TrackBoxes.Length; i++)
{
TrackExtendBoxes[i] = new TrackExtendsBox();
TrackExtendBoxes[i].Read(reader);
}
}
else
{
// get the size of a TrackExtendsBox, then use that to determine the size of the array
Box test = new Box(BoxTypes.Any);
test.Read(reader);
reader.BaseStream.Position = (long)test.Offset;
if (MovieExtendsHeaderBox == null)
{
TrackExtendBoxes = new TrackExtendsBox[(this.Size - 8) / test.Size];
}
else
{
TrackExtendBoxes = new TrackExtendsBox[(this.Size - 8 - MovieExtendsHeaderBox.Size) / test.Size];
}
for (int i = 0; i < TrackExtendBoxes.Length; i++)
{
TrackExtendBoxes[i] = new TrackExtendsBox();
TrackExtendBoxes[i].Read(reader);
}
}
}
}
public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader)) {
base.Read(reader);
// Apple either omits the header, or puts it after the TrackExtendBoxes
BoxType boxType = reader.PeekNextBoxType();
if (boxType == BoxTypes.MovieExtendsHeader)
{
MovieExtendsHeaderBox = new MovieExtendsHeaderBox();
MovieExtendsHeaderBox.Read(reader);
}
// Apple puts the MovieExtendsBoxes BEFORE TrackBoxes, so TrackBoxes may be NULL below.
if (parent.TrackBoxes != null)
{
TrackExtendBoxes = new TrackExtendsBox[parent.TrackBoxes.Length];
for (int i = 0; i < parent.TrackBoxes.Length; i++)
{
TrackExtendBoxes[i] = new TrackExtendsBox();
TrackExtendBoxes[i].Read(reader);
}
}
else
{
// get the size of a TrackExtendsBox, then use that to determine the size of the array
Box test = new Box(BoxTypes.Any);
test.Read(reader);
reader.BaseStream.Position = (long)test.Offset;
if (MovieExtendsHeaderBox == null)
TrackExtendBoxes = new TrackExtendsBox[(this.Size - 8) / test.Size];
else
TrackExtendBoxes = new TrackExtendsBox[(this.Size - 8 - MovieExtendsHeaderBox.Size) / test.Size];
for (int i = 0; i < TrackExtendBoxes.Length; i++)
{
TrackExtendBoxes[i] = new TrackExtendsBox();
TrackExtendBoxes[i].Read(reader);
}
}
}
}
public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader)) {
base.Read(reader);
TrackHeaderBox.Read(reader);
while (this.Size > (ulong)(reader.BaseStream.Position - (long)this.Offset)) {
long pos = reader.BaseStream.Position;
BoxType next = reader.PeekNextBoxType();
if (next == BoxTypes.Edts)
{
EdtsBox = new EdtsBox();
EdtsBox.movieTimeScale = movieTimeScale;
EdtsBox.Read(reader);
}
else if (next == BoxTypes.TrackReference)
{
TrackReferenceBox = new TrackReferenceBox();
TrackReferenceBox.Read(reader);
}
else if (next == BoxTypes.Media)
{
MediaBox = new MediaBox(this);
MediaBox.Read(reader);
}
else
{
Box unknown = new Box(BoxTypes.Any);
unknown.Read(reader);
Debug.WriteLine(string.Format("Unknow box type {0} in Trak box, skipped", next.ToString()));
}
}
}
}
public override void Read(BoxReader reader)
{
using (new SizeChecker(this, reader)) {
long pos = reader.BaseStream.Position;
base.Read(reader);
for (int i = 0; i < 2; i++) reader.ReadUInt32(); // unsigned int(32)[2] reserved = 0
ChannelCount = reader.ReadUInt16();
SampleSize = reader.ReadUInt16();
PreDefined = reader.ReadUInt16(); // unsigned int(16) pre_defined = 0
reader.ReadUInt16(); // unsigned int(16) reserved = 0
SampleRate = reader.ReadUInt32() >> 16;
// read esds or avcc boxes
BoxType bt = reader.PeekNextBoxType();
switch (bt.ToString().ToLower())
{
case "esds": // AudioSampleEntry type is mp4a (denotes AAC encoding)
case "avcc":
PrivDataFullBox = new AnyPrivFullBox(bt, string.Empty);
PrivDataFullBox.Read(reader);
break;
case "wfex": // AudioSampleEntry type is wma
PrivDataBox = new AnyPrivBox(bt, string.Empty);
PrivDataBox.Read(reader);
break;
case "damr": // 3gpp sound
PrivDataFullBox = new AnyPrivFullBox(bt, string.Empty);
PrivDataFullBox.Read(reader);
break;
default:
throw new Exception(string.Format("AudioSampleEntry has unknown contents: {0}", bt.ToString()));
}
}
}
