internal void ReadBoxFromStream(BoxBinaryReader reader)
{
if (this.Size == 0)
{
throw new BoxException("Zero size not supported!");
}
if (this.Size == 1)
{
this.Size = (long)reader.ReadUInt64();
}
ReadBoxPropertiesFromStream(reader);
if (reader.Offset != this.Size + this.Offset)
{
string message = string.Format("The box was not totally read from the stream.\n\tBox Type: {0}, Reader Offset: {1}, Box Size: {2}, Box Offset {3}",
this.GetType().Name, reader.Offset, this.Size, this.Offset);
#if DEBUG
System.Diagnostics.Debug.WriteLine(message);
#endif
reader.GotoEndOfBox(this.Offset, this.Size);
}
}
/// <summary>
/// Reads the full box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
ProfileVersion = reader.ReadString(4); // Is this actually a string?
Apid = reader.ReadNullTerminatedString();
// TODO: Do we need to read in the other_boxes?
reader.GotoEndOfBox(this.Offset, this.Size);
}
/// <summary>
/// Reads the full box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
ProfileVersion = reader.ReadString(4); // Is this actually a string?
Apid = reader.ReadNullTerminatedString();
// TODO: Do we need to read in the other_boxes?
reader.GotoEndOfBox(this.Offset, this.Size);
}
/// <summary>
/// Reads the full box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
if (this.Version == 1)
{
reader.BaseStream.Seek(16, System.IO.SeekOrigin.Current);
this.Timescale = reader.ReadUInt32();
this.Duration = reader.ReadUInt64();
}
else
{
reader.BaseStream.Seek(8, System.IO.SeekOrigin.Current);
this.Timescale = reader.ReadUInt32();
this.Duration = reader.ReadUInt32();
}
this.Language = reader.ReadUInt16PackedCharacters();
reader.GotoEndOfBox(Offset, Size);
}
/// <summary>
/// Reads the full box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
if (this.Version == 1)
{
reader.BaseStream.Seek(16, System.IO.SeekOrigin.Current);
this.Timescale = reader.ReadUInt32();
this.Duration = reader.ReadUInt64();
}
else
{
reader.BaseStream.Seek(8, System.IO.SeekOrigin.Current);
this.Timescale = reader.ReadUInt32();
this.Duration = reader.ReadUInt32();
}
this.Language = reader.ReadUInt16PackedCharacters();
reader.GotoEndOfBox(Offset, Size);
}
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
this.ReferenceId = reader.ReadUInt32();
this.Timescale = reader.ReadUInt32();
if (this.Version == 1)
{
this.EarliestPresentationTime = reader.ReadUInt64();
this.FirstOffset = reader.ReadUInt64();
}
else
{
this.EarliestPresentationTime = reader.ReadUInt32();
this.FirstOffset = reader.ReadUInt32();
}
this.Reserved = reader.ReadUInt16();
this.ReferenceCount = reader.ReadUInt16();
Subsegments = new List<Subsegment>();
for (int i = 0; i < this.ReferenceCount; i++)
{
var subsegment = new Subsegment();
uint referenceNum = reader.ReadUInt32();
subsegment.ReferenceType = System.Convert.ToBoolean(referenceNum >> 31); // 1 bit
subsegment.ReferencedSize = (referenceNum << 1) >> 1; // 31 bits
subsegment.Duration = reader.ReadUInt32();
uint sapNum = reader.ReadUInt32();
subsegment.StartsWithSAP = System.Convert.ToBoolean(sapNum >> 31); // 1 bit
subsegment.SAPType = System.Convert.ToUInt16((sapNum << 1) >> 29); // 3 bits
subsegment.SAPDeltaTime = (sapNum << 4) >> 4; // 28 bits
Subsegments.Add(subsegment);
}
reader.GotoEndOfBox(Offset, Size);
}
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
this.ReferenceId = reader.ReadUInt32();
this.Timescale = reader.ReadUInt32();
if (this.Version == 1)
{
this.EarliestPresentationTime = reader.ReadUInt64();
this.FirstOffset = reader.ReadUInt64();
}
else
{
this.EarliestPresentationTime = reader.ReadUInt32();
this.FirstOffset = reader.ReadUInt32();
}
this.Reserved = reader.ReadUInt16();
this.ReferenceCount = reader.ReadUInt16();
Subsegments = new List <Subsegment>();
for (int i = 0; i < this.ReferenceCount; i++)
{
var subsegment = new Subsegment();
uint referenceNum = reader.ReadUInt32();
subsegment.ReferenceType = System.Convert.ToBoolean(referenceNum >> 31); // 1 bit
subsegment.ReferencedSize = (referenceNum << 1) >> 1; // 31 bits
subsegment.Duration = reader.ReadUInt32();
uint sapNum = reader.ReadUInt32();
subsegment.StartsWithSAP = System.Convert.ToBoolean(sapNum >> 31); // 1 bit
subsegment.SAPType = System.Convert.ToUInt16((sapNum << 1) >> 29); // 3 bits
subsegment.SAPDeltaTime = (sapNum << 4) >> 4; // 28 bits
Subsegments.Add(subsegment);
}
reader.GotoEndOfBox(Offset, Size);
}
/// <summary>
/// Reads the full box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
reader.GotoEndOfBox(this.Offset, this.Size);
}
/// <summary>
/// Creates a new Box instance that matches the BoxType specified. This will position the
/// reader to the end of the box that was read in.
/// </summary>
/// <param name="stream">The stream that contains the bytes for the box.</param>
/// <returns>Returns the box read from the stream; if there was no box to read it
/// will return null.</returns>
public static Box Create(BoxBinaryReader stream)
{
Box box = null;
var offset = stream.Offset;
var size = stream.ReadBoxSize();
var boxType = stream.ReadBoxType();
switch (boxType)
{
case BoxType.Moov:
box = new MovieBox(offset, size);
break;
case BoxType.Mvhd:
box = new MovieHeaderFullBox(offset, size);
break;
case BoxType.Trak:
box = new TrackBox(offset, size);
break;
case BoxType.Tkhd:
box = new TrackHeaderFullBox(offset, size);
break;
case BoxType.Tref:
box = new TrackReferenceBox(offset, size);
break;
case BoxType.Mdia:
box = new MediaBox(offset, size);
break;
case BoxType.Mdhd:
box = new MediaHeaderFullBox(offset, size);
break;
case BoxType.Hdlr:
box = new HandlerReferenceFullBox(offset, size);
break;
case BoxType.Minf:
box = new MediaInformationBox(offset, size);
break;
case BoxType.Vmhd:
box = new VideoMediaHeaderFullBox(offset, size);
break;
case BoxType.Smhd:
box = new SoundMediaHeaderFullBox(offset, size);
break;
case BoxType.Nmhd:
box = new NullMediaHeaderFullBox(offset, size);
break;
case BoxType.Dinf:
box = new DataInformationBox(offset, size);
break;
case BoxType.Stbl:
box = new SampleTableBox(offset, size);
break;
case BoxType.Stts:
box = new DecodingTimeToSampleFullBox(offset, size);
break;
case BoxType.Stss:
box = new SyncSamplesBox(offset, size);
break;
case BoxType.Ctts:
box = new CompositionTimeToSampleFullBox(offset, size);
break;
case BoxType.Stsd:
box = new SampleDescriptionFullBox(offset, size);
break;
case BoxType.Mp4a:
case BoxType.Wma:
case BoxType.Ac_3:
case BoxType.Ec_3:
case BoxType.Mlpa:
case BoxType.Dtsc:
case BoxType.Dtsh:
case BoxType.Dtsl:
case BoxType.Dtse:
box = new AudioSampleEntryBox(offset, size);
break;
case BoxType.Dec3:
box = new EC3SpecificBox(offset, size);
break;
case BoxType.Dac3:
box = new AC3SpecificBox(offset, size);
break;
case BoxType.Dmlp:
box = new MLPSpecificBox(offset, size);
break;
case BoxType.Ddts:
box = new DTSSpecificBox(offset, size);
break;
case BoxType.Avc1:
case BoxType.Vc_1:
box = new VisualSampleEntryBox(offset, size);
break;
case BoxType.Stpp:
box = new SubtitleSampleEntryBox(offset, size);
break;
case BoxType.Encv:
case BoxType.Enca:
case BoxType.Enct:
case BoxType.Encs:
box = new ProtectedSampleEntryBox(offset, size, boxType);
break;
case BoxType.Esds:
box = new ElementaryStreamDescriptorFullBox(offset, size);
break;
case BoxType.Avcc:
box = new AdvancedVideoCodingBox(offset, size);
break;
case BoxType.Wfex:
box = new WaveFormatExBox(offset, size);
break;
case BoxType.Dvc1:
box = new DigitalVideoCodingBox(offset, size);
break;
case BoxType.Mvex:
box = new MovieExtendsBox(offset, size);
break;
case BoxType.Ftyp:
box = new FileTypeBox(offset, size);
break;
case BoxType.Mdat:
box = new MediaDataBox(offset, size);
break;
case BoxType.Moof:
box = new MovieFragmentBox(offset, size);
break;
case BoxType.Mfra:
box = new MovieFragmentRandomAccessBox(offset, size);
break;
case BoxType.Tfra:
box = new TrackFragmentRandomAccessFullBox(offset, size);
break;
case BoxType.Mfro:
box = new MovieFragmentRandomAccessOffsetFullBox(offset, size);
break;
case BoxType.Mfhd:
box = new MovieFragmentHeaderFullBox(offset, size);
break;
case BoxType.Traf:
box = new TrackFragmentBox(offset, size);
break;
case BoxType.Tfhd:
box = new TrackFragmentHeaderFullBox(offset, size);
break;
case BoxType.Trun:
box = new TrackFragmentRunFullBox(offset, size);
break;
case BoxType.Sdtp:
box = new IndependentAndDisposableSamplesFullBox(offset, size);
break;
case BoxType.Uuid:
box = ExtensionBox.GetNextBoxFromStream(stream, offset, (uint)size);
box.ExtendedType = stream.ReadGuid();
break;
case BoxType.Pdin:
box = new ProgressiveDownloadInfoFullBox(offset, size);
break;
case BoxType.Bloc:
box = new BaseLocationFullBox(offset, size);
break;
case BoxType.Ainf:
box = new AssetInformationFullBox(offset, size);
break;
case BoxType.Xml:
box = new XmlFullBox(offset, size);
break;
case BoxType.Bxml:
box = new BinaryXmlFullBox(offset, size);
break;
case BoxType.Iloc:
box = new ItemLocationFullBox(offset, size);
break;
case BoxType.Idat:
box = new ItemDataBox(offset, size);
break;
case BoxType.Meta:
box = new MetaFullBox(offset, size);
break;
case BoxType.Free:
case BoxType.Skip:
box = new FreeSpaceBox(offset, size);
break;
case BoxType.Trik:
box = new TrickPlayFullBox(offset, size);
break;
case BoxType.Btrt:
box = new BitRateBox(offset, size);
break;
case BoxType.Sthd:
box = new SubtitleMediaHeaderFullBox(offset, size);
break;
case BoxType.Subs:
box = new SubSampleInformationFullBox(offset, size);
break;
case BoxType.Tfdt:
box = new TrackFragmentBaseMediaDecodeTimeFullBox(offset, size);
break;
case BoxType.Saiz:
box = new SampleAuxiliaryInformationSizesFullBox(offset, size);
break;
case BoxType.Saio:
box = new SampleAuxiliaryInformationOffsetsFullBox(offset, size);
break;
case BoxType.Prft:
box = new ProducerReferenceTimeFullBox(offset, size);
break;
case BoxType.Pssh:
box = new ProtectionSystemSpecificHeaderFullBox(offset, size);
break;
case BoxType.Tenc:
box = new TrackEncryptionFullBox(offset, size);
break;
case BoxType.Senc:
box = new SampleEncryptionFullBox(offset, size);
break;
case BoxType.Schi:
box = new SchemeInformationBox(offset, size);
break;
case BoxType.Sinf:
box = new ProtectedSchemeInformationBox(offset, size);
break;
case BoxType.Avcn:
box = new AVCNALBox(offset, size);
break;
case BoxType.Sidx:
box = new SegmentIndexBox(offset, size);
break;
case BoxType.Stsc:
box = new SampleChunkBox(offset, size);
break;
case BoxType.Stsz:
box = new SampleSizeBox(offset, size);
break;
case BoxType.Stco:
box = new SampleChunkOffsetBox(offset, size);
break;
case BoxType.Iods:
box = new InitialObjectDescriptorBox(offset, size);
break;
default:
stream.GotoEndOfBox(offset, size);
break;
}
if (box != null)
{
box.ReadBoxFromStream(stream);
}
return(box);
}
protected override void ReadBoxPropertiesFromStream(BoxBinaryReader reader)
{
reader.GotoEndOfBox(this.Offset, this.Size);
}
/// <summary>
/// Reads the full box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
// TODO: Do we need to read this data?
reader.GotoEndOfBox(this.Offset, this.Size);
}
/// <summary>
/// Reads the box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadBoxPropertiesFromStream(BoxBinaryReader reader)
{
// TODO: Do we need this information?
reader.GotoEndOfBox(this.Offset, this.Size);
}
/// <summary>
/// Creates a new Box instance that matches the BoxType specified. This will position the
/// reader to the end of the box that was read in.
/// </summary>
/// <param name="stream">The stream that contains the bytes for the box.</param>
/// <returns>Returns the box read from the stream; if there was no box to read it
/// will return null.</returns>
public static Box Create(BoxBinaryReader stream)
{
Box box = null;
var offset = stream.Offset;
var size = stream.ReadBoxSize();
var boxType = stream.ReadBoxType();
switch (boxType)
{
case BoxType.Moov:
box = new MovieBox(offset, size);
break;
case BoxType.Mvhd:
box = new MovieHeaderFullBox(offset, size);
break;
case BoxType.Trak:
box = new TrackBox(offset, size);
break;
case BoxType.Tkhd:
box = new TrackHeaderFullBox(offset, size);
break;
case BoxType.Tref:
box = new TrackReferenceBox(offset, size);
break;
case BoxType.Mdia:
box = new MediaBox(offset, size);
break;
case BoxType.Mdhd:
box = new MediaHeaderFullBox(offset, size);
break;
case BoxType.Hdlr:
box = new HandlerReferenceFullBox(offset, size);
break;
case BoxType.Minf:
box = new MediaInformationBox(offset, size);
break;
case BoxType.Vmhd:
box = new VideoMediaHeaderFullBox(offset, size);
break;
case BoxType.Smhd:
box = new SoundMediaHeaderFullBox(offset, size);
break;
case BoxType.Nmhd:
box = new NullMediaHeaderFullBox(offset, size);
break;
case BoxType.Dinf:
box = new DataInformationBox(offset, size);
break;
case BoxType.Stbl:
box = new SampleTableBox(offset, size);
break;
case BoxType.Stts:
box = new DecodingTimeToSampleFullBox(offset, size);
break;
case BoxType.Stss:
box = new SyncSamplesBox(offset, size);
break;
case BoxType.Ctts:
box = new CompositionTimeToSampleFullBox(offset, size);
break;
case BoxType.Stsd:
box = new SampleDescriptionFullBox(offset, size);
break;
case BoxType.Mp4a:
case BoxType.Wma:
case BoxType.Ac_3:
case BoxType.Ec_3:
case BoxType.Mlpa:
case BoxType.Dtsc:
case BoxType.Dtsh:
case BoxType.Dtsl:
case BoxType.Dtse:
box = new AudioSampleEntryBox(offset, size);
break;
case BoxType.Dec3:
box = new EC3SpecificBox(offset, size);
break;
case BoxType.Dac3:
box = new AC3SpecificBox(offset, size);
break;
case BoxType.Dmlp:
box = new MLPSpecificBox(offset, size);
break;
case BoxType.Ddts:
box = new DTSSpecificBox(offset, size);
break;
case BoxType.Avc1:
case BoxType.Vc_1:
box = new VisualSampleEntryBox(offset, size);
break;
case BoxType.Stpp:
box = new SubtitleSampleEntryBox(offset, size);
break;
case BoxType.Encv:
case BoxType.Enca:
case BoxType.Enct:
case BoxType.Encs:
box = new ProtectedSampleEntryBox(offset, size, boxType);
break;
case BoxType.Esds:
box = new ElementaryStreamDescriptorFullBox(offset, size);
break;
case BoxType.Avcc:
box = new AdvancedVideoCodingBox(offset, size);
break;
case BoxType.Wfex:
box = new WaveFormatExBox(offset, size);
break;
case BoxType.Dvc1:
box = new DigitalVideoCodingBox(offset, size);
break;
case BoxType.Mvex:
box = new MovieExtendsBox(offset, size);
break;
case BoxType.Ftyp:
box = new FileTypeBox(offset, size);
break;
case BoxType.Mdat:
box = new MediaDataBox(offset, size);
break;
case BoxType.Moof:
box = new MovieFragmentBox(offset, size);
break;
case BoxType.Mfra:
box = new MovieFragmentRandomAccessBox(offset, size);
break;
case BoxType.Tfra:
box = new TrackFragmentRandomAccessFullBox(offset, size);
break;
case BoxType.Mfro:
box = new MovieFragmentRandomAccessOffsetFullBox(offset, size);
break;
case BoxType.Mfhd:
box = new MovieFragmentHeaderFullBox(offset, size);
break;
case BoxType.Traf:
box = new TrackFragmentBox(offset, size);
break;
case BoxType.Tfhd:
box = new TrackFragmentHeaderFullBox(offset, size);
break;
case BoxType.Trun:
box = new TrackFragmentRunFullBox(offset, size);
break;
case BoxType.Sdtp:
box = new IndependentAndDisposableSamplesFullBox(offset, size);
break;
case BoxType.Uuid:
box = ExtensionBox.GetNextBoxFromStream(stream, offset, (uint)size);
box.ExtendedType = stream.ReadGuid();
break;
case BoxType.Pdin:
box = new ProgressiveDownloadInfoFullBox(offset, size);
break;
case BoxType.Bloc:
box = new BaseLocationFullBox(offset, size);
break;
case BoxType.Ainf:
box = new AssetInformationFullBox(offset, size);
break;
case BoxType.Xml:
box = new XmlFullBox(offset, size);
break;
case BoxType.Bxml:
box = new BinaryXmlFullBox(offset, size);
break;
case BoxType.Iloc:
box = new ItemLocationFullBox(offset, size);
break;
case BoxType.Idat:
box = new ItemDataBox(offset, size);
break;
case BoxType.Meta:
box = new MetaFullBox(offset, size);
break;
case BoxType.Free:
case BoxType.Skip:
box = new FreeSpaceBox(offset, size);
break;
case BoxType.Trik:
box = new TrickPlayFullBox(offset, size);
break;
case BoxType.Btrt:
box = new BitRateBox(offset, size);
break;
case BoxType.Sthd:
box = new SubtitleMediaHeaderFullBox(offset, size);
break;
case BoxType.Subs:
box = new SubSampleInformationFullBox(offset, size);
break;
case BoxType.Tfdt:
box = new TrackFragmentBaseMediaDecodeTimeFullBox(offset, size);
break;
case BoxType.Saiz:
box = new SampleAuxiliaryInformationSizesFullBox(offset, size);
break;
case BoxType.Saio:
box = new SampleAuxiliaryInformationOffsetsFullBox(offset, size);
break;
case BoxType.Prft:
box = new ProducerReferenceTimeFullBox(offset, size);
break;
case BoxType.Pssh:
box = new ProtectionSystemSpecificHeaderFullBox(offset, size);
break;
case BoxType.Tenc:
box = new TrackEncryptionFullBox(offset, size);
break;
case BoxType.Senc:
box = new SampleEncryptionFullBox(offset, size);
break;
case BoxType.Schi:
box = new SchemeInformationBox(offset, size);
break;
case BoxType.Sinf:
box = new ProtectedSchemeInformationBox(offset, size);
break;
case BoxType.Avcn:
box = new AVCNALBox(offset, size);
break;
case BoxType.Sidx:
box = new SegmentIndexBox(offset, size);
break;
case BoxType.Stsc:
box = new SampleChunkBox(offset, size);
break;
case BoxType.Stsz:
box = new SampleSizeBox(offset, size);
break;
case BoxType.Stco:
box = new SampleChunkOffsetBox(offset, size);
break;
case BoxType.Iods:
box = new InitialObjectDescriptorBox(offset, size);
break;
default:
stream.GotoEndOfBox(offset, size);
break;
}
if (box != null)
{
box.ReadBoxFromStream(stream);
}
return box;
}
/// <summary>
/// Reads the box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadBoxPropertiesFromStream(BoxBinaryReader reader)
{
// TODO: Do we need this information?
reader.GotoEndOfBox(this.Offset, this.Size);
}
///// <summary>
///// Gets or sets the stream with the data.
///// </summary>
//public Stream DataStream { get; private set; }
/// <summary>
/// Reads the box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadBoxPropertiesFromStream(BoxBinaryReader reader)
{
//this.DataStream = reader.BaseStream;
reader.GotoEndOfBox(this.Offset, this.Size);
}
/// <summary>
/// Reads the full box properties from stream.
/// </summary>
/// <param name="reader">The binary reader with the stream.</param>
protected override void ReadFullBoxPropertiesFromStream(BoxBinaryReader reader)
{
// TODO: Do we need to read this data?
reader.GotoEndOfBox(this.Offset, this.Size);
}
internal void ReadBoxFromStream(BoxBinaryReader reader)
{
if (this.Size == 0)
{
throw new BoxException("Zero size not supported!");
}
if (this.Size == 1)
{
this.Size = (long)reader.ReadUInt64();
}
ReadBoxPropertiesFromStream(reader);
if (reader.Offset != this.Size + this.Offset)
{
string message = string.Format("The box was not totally read from the stream.\n\tBox Type: {0}, Reader Offset: {1}, Box Size: {2}, Box Offset {3}",
this.GetType().Name, reader.Offset, this.Size, this.Offset);
#if DEBUG
System.Diagnostics.Debug.WriteLine(message);
#endif
reader.GotoEndOfBox(this.Offset, this.Size);
}
}
