/// <summary>
/// Reads the sample entry properties from stream.
/// </summary>
/// <param name="reader">The stream reader.</param>
internal override void ReadSampleEntryPropertiesFromStream(BoxBinaryReader reader)
{
predefined1 = reader.ReadUInt16();
reserved1 = reader.ReadUInt16();
predefined2 = reader.ReadBytes(12);
this.Width = reader.ReadUInt16();
this.Height = reader.ReadUInt16();
this.HorizResolution = reader.ReadUInt32();
this.VertResolution = reader.ReadUInt32();
reserved2 = reader.ReadUInt32();
this.FrameCount = reader.ReadUInt16();
byte[] buffer = new byte[0x20];
reader.Read(buffer, 0, 0x20);
int count = buffer[0];
if (count < 0x20)
{
this.CompressorName = Encoding.UTF8.GetString(buffer, 1, count);
}
this.Depth = reader.ReadUInt16();
predefined3 = reader.ReadUInt16();
if (reader.PeekNextBoxType() != BoxType.Null)
{
ReadInnerBoxes(reader, BoxType.Esds, BoxType.Avcc, BoxType.Avc1, BoxType.Dvc1, BoxType.Btrt, BoxType.Sinf);
this.VideoCodecData = GetVideoCodecDataFromInnerBoxes();
}
else
{
var videoInfoHeader = new VideoInfoHeader2(reader);
this.VideoCodecData = new VideoTrackCodecData(videoInfoHeader);
}
}
/// <summary>
/// Reads the header boxes for the video, which includes
/// ftyp, pdin, bloc, moov, and the optional mdat.
/// </summary>
/// <param name="callback"></param>
private async Task ReadMovieHeaderBoxes()
{
var moov = await this.GetBox(BoxType.Moov);
this.Boxes.Add(moov);
// See if we have an mdat next and grab it if we do
var stream = await WebRequestor.GetStreamRangeAsync(this.fileUri, this.fileOffset, this.fileOffset + 8);
using (var reader = new BoxBinaryReader(stream))
{
if (reader.PeekNextBoxType() == BoxType.Mdat)
{
var mdat = await this.GetNextBox();
this.Boxes.Add(mdat);
}
}
}
/// <summary>
/// Reads the sample entry properties from stream.
/// </summary>
/// <param name="reader">The stream reader.</param>
internal override void ReadSampleEntryPropertiesFromStream(BoxBinaryReader reader)
{
this.reserved1 = reader.ReadUInt16();
this.reserved2 = reader.ReadUInt16();
this.reserved3 = reader.ReadUInt32();
this.ChannelCount = reader.ReadUInt16();
this.SampleSize = reader.ReadUInt16();
this.predefined = reader.ReadUInt16();
this.reserved4 = reader.ReadUInt16();
this.SampleRate = reader.ReadUInt32();
if (reader.PeekNextBoxType() != BoxType.Null)
{
ReadInnerBoxes(reader, BoxType.Esds, BoxType.Wfex, BoxType.Sinf, BoxType.Dec3, BoxType.Dac3, BoxType.Dmlp, BoxType.Ddts);
this.AudioCodecData = GetAudioCodecDataFromInnerBoxes();
}
else
{
var waveFormatEx = new WaveFormatEx(reader);
this.AudioCodecData = new AudioTrackCodecData(waveFormatEx);
}
}
/// <summary>
/// Reads the sample entry properties from stream.
/// </summary>
/// <param name="reader">The stream reader.</param>
internal override void ReadSampleEntryPropertiesFromStream(BoxBinaryReader reader)
{
this.reserved1 = reader.ReadUInt16();
this.reserved2 = reader.ReadUInt16();
this.reserved3 = reader.ReadUInt32();
this.ChannelCount = reader.ReadUInt16();
this.SampleSize = reader.ReadUInt16();
this.predefined = reader.ReadUInt16();
this.reserved4 = reader.ReadUInt16();
this.SampleRate = reader.ReadUInt32();
if (reader.PeekNextBoxType() != BoxType.Null)
{
ReadInnerBoxes(reader, BoxType.Esds, BoxType.Wfex, BoxType.Sinf, BoxType.Dec3, BoxType.Dac3, BoxType.Dmlp, BoxType.Ddts);
this.AudioCodecData = GetAudioCodecDataFromInnerBoxes();
}
else
{
var waveFormatEx = new WaveFormatEx(reader);
this.AudioCodecData = new AudioTrackCodecData(waveFormatEx);
}
}
/// <summary>
/// Opens a local (offline) file and initializes the CFF data that can be used for
/// manifest generation.
/// </summary>
/// <param name="path">The file URI of the resource to be opened. i.e. ms-appx:////Big_Buck_Bunny.uvu </param>
public override async Task Parse(Uri path)
{
if (StorageFile == null)
{
StorageFile = await Windows.Storage.StorageFile.GetFileFromApplicationUriAsync(path);
}
using (var fileStream = await StorageFile.OpenStreamForReadAsync())
{
var reader = new BoxBinaryReader(fileStream);
Box box = null;
do
{
box = reader.ReadNextBox();
if (box != null)
{
this.Boxes.Add(box);
if (box.Type == BoxType.Moov)
{
// There may be an mdat after the moov, if so parse it
if (reader.PeekNextBoxType() == BoxType.Mdat)
{
box = reader.ReadNextBox();
this.Boxes.Add(box);
}
// After parsing the moov and optional mdat after it, skip to the mfra
// this will jump past the moof and mdats which we don't need to process
reader.GotoMovieFragmentRandomAccess();
}
}
} while (box != null);
}
this.InitializeTrackRegistry();
}
/// <summary>
/// Reads the sample entry properties from stream.
/// </summary>
/// <param name="reader">The stream reader.</param>
internal override void ReadSampleEntryPropertiesFromStream(BoxBinaryReader reader)
{
predefined1 = reader.ReadUInt16();
reserved1 = reader.ReadUInt16();
predefined2 = reader.ReadBytes(12);
this.Width = reader.ReadUInt16();
this.Height = reader.ReadUInt16();
this.HorizResolution = reader.ReadUInt32();
this.VertResolution = reader.ReadUInt32();
reserved2 = reader.ReadUInt32();
this.FrameCount = reader.ReadUInt16();
byte[] buffer = new byte[0x20];
reader.Read(buffer, 0, 0x20);
int count = buffer[0];
if (count < 0x20)
{
this.CompressorName = Encoding.UTF8.GetString(buffer, 1, count);
}
this.Depth = reader.ReadUInt16();
predefined3 = reader.ReadUInt16();
if (reader.PeekNextBoxType() != BoxType.Null)
{
ReadInnerBoxes(reader, BoxType.Esds, BoxType.Avcc, BoxType.Avc1, BoxType.Dvc1, BoxType.Btrt, BoxType.Sinf);
this.VideoCodecData = GetVideoCodecDataFromInnerBoxes();
}
else
{
var videoInfoHeader = new VideoInfoHeader2(reader);
this.VideoCodecData = new VideoTrackCodecData(videoInfoHeader);
}
}