/// <summary>
///
/// </summary>
/// <param name="box"></param>
public Mp4TreeNode(Mp4Box box)
{
this.Box = box;
Text = Mp4Util.FormatFourChars(box.Type);
ImageSource = GetImageSource(box.Type);
if (box is Mp4ContainerBox)
{
foreach (Mp4Box child in ((Mp4ContainerBox)box).Children)
{
Items.Add(new Mp4TreeNode(child));
}
}
if (box is Mp4StsdBox)
{
foreach (Mp4Box child in ((Mp4StsdBox)box).Entries)
{
Items.Add(new Mp4TreeNode(child));
}
}
if (box is Mp4DrefBox)
{
foreach (Mp4Box child in ((Mp4DrefBox)box).Entries)
{
Items.Add(new Mp4TreeNode(child));
}
}
}
/// <summary>
///
/// </summary>
/// <param name="fileType"></param>
public void ShowFileInfo(Mp4FtypBox fileType)
{
if (fileType == null)
{
return;
}
textBoxMajorBrand.Text = Mp4Util.FormatFourChars(fileType.MajorBrand);
textBoxMinorVersion.Text = fileType.MinorVersion.ToString();
textBoxCompatibleBrands.Text = Mp4Util.FormatFourChars(fileType.CompatibleBrands);
}
public Mp4TreeNode(Mp4Box box)
{
Box = box;
Text = Mp4Util.FormatFourChars(box.Type);
ImageSource = GetImageSource(box.Type);
IEnumerable <Mp4Box> children = box switch
{
Mp4ContainerBox containerBox => containerBox.Children,
Mp4StsdBox stsdBox => stsdBox.Entries,
Mp4DrefBox drefBox => drefBox.Entries,
_ => Enumerable.Empty <Mp4Box>(),
};
foreach (Mp4Box child in children)
{
Items.Add(new Mp4TreeNode(child));
}
}
private MediaStreamSample GetVideoSample()
{
var sample = videoSamples[videoSampleIndex];
MemoryStream stream = new MemoryStream();
if (videoSampleIndex == 1)
{
mediaStream.Seek(videoSamples[0].Offset, SeekOrigin.Begin);
BinaryReader binaryReader = new BinaryReader(mediaStream);
var configurationVersion = binaryReader.ReadByte();
var avcProfileIndication = binaryReader.ReadByte();
var avcCompatibleProfiles = binaryReader.ReadByte();
var avcLevelIndication = binaryReader.ReadByte();
byte lengthSizeMinusOne = binaryReader.ReadByte();
var naluLengthSize = (byte)(1 + (lengthSizeMinusOne & 3));
byte numOfSequenceParameterSets = (byte)(binaryReader.ReadByte() & 0x1f);
var sequenceParameters = new List <byte[]>(numOfSequenceParameterSets);
for (uint i = 0; i < numOfSequenceParameterSets; i++)
{
byte[] buffer = new byte[Mp4Util.BytesToUInt16BE(binaryReader.ReadBytes(2))];
mediaStream.Read(buffer, 0, buffer.Length);
sequenceParameters.Add(buffer);
}
byte numOfPictureParameterSets = binaryReader.ReadByte();
var pictureParameters = new List <byte[]>(numOfPictureParameterSets);
for (uint i = 0; i < numOfPictureParameterSets; i++)
{
byte[] buffer = new byte[Mp4Util.BytesToUInt16BE(binaryReader.ReadBytes(2))];
mediaStream.Read(buffer, 0, buffer.Length);
pictureParameters.Add(buffer);
}
var sps = sequenceParameters[0];
var pps = pictureParameters[0];
stream.Write(startCode, 0, startCode.Length);
stream.Write(sps, 0, sps.Length);
stream.Write(startCode, 0, startCode.Length);
stream.Write(pps, 0, pps.Length);
}
mediaStream.Seek(sample.Offset, SeekOrigin.Begin);
BinaryReader reader = new BinaryReader(this.mediaStream);
var sampleSize = sample.Count;
while (sampleSize > 4L)
{
var ui32 = reader.ReadUInt32();
var count = OldSkool.swaplong(ui32);
stream.Write(startCode, 0, startCode.Length);
stream.Write(reader.ReadBytes((int)count), 0, (int)count);
sampleSize -= 4 + (uint)count;
}
MediaStreamSample mediaStreamSample = new MediaStreamSample(this.videoStreamDescription, stream, 0, stream.Length, sample.Timestamp, emptyDict);
videoSampleIndex++;
return(mediaStreamSample);
}
/// <summary>
///
/// </summary>
/// <param name="grid"></param>
/// <param name="sampleDescIndex"></param>
/// <param name="description"></param>
public void ShowSampleDescription(Grid grid, int sampleDescIndex, Mp4SampleEntry description)
{
Label label;
TextBox textBox;
#region Header
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.Background = Brushes.LightGray;
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Center;
label.Content = "Sample Description " + sampleDescIndex;
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
Grid.SetColumnSpan(label, 2);
grid.Children.Add(label);
#endregion
Mp4SampleEntry desc = description;
//if (desc is Mp4ProtectedSampleEntry) {
// Mp4ProtectedSampleDescription prot_desc = desc as Mp4ProtectedSampleDescription;
// if (prot_desc) ShowProtectedSampleDescription(*prot_desc, verbose);
// desc = prot_desc->GetOriginalSampleDescription();
//}
string coding = Mp4Util.FormatFourChars(desc.Type);
#region Coding
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Coding:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = coding.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
// MPEG sample description
if (desc is Mp4MpegVideoSampleEntry || desc is Mp4MpegAudioSampleEntry)
{
Mp4EsdsBox esds = desc.GetChild <Mp4EsdsBox>(Mp4BoxType.ESDS);
if (esds != null && esds.EsDescriptor != null)
{
Mp4DecoderConfigDescriptor dcd = esds.EsDescriptor.DecoderConfigDescriptor;
if (dcd != null)
{
#region Stream Type
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Stream Type:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = Mp4Util.GetStreamTypeString((Mp4StreamType)dcd.StreamType);
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Object Type
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Object Type:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = Mp4Util.GetObjectTypeString((Mp4ObjectTypeIndication)dcd.ObjectTypeIndication);
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Max Bitrate
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Max Bitrate:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = dcd.MaxBitrate.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Avg Bitrate
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Avg Bitrate:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = dcd.AverageBitrate.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Buffer Size
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Buffer Size:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = dcd.BufferSize.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
}
if (desc is Mp4MpegAudioSampleEntry)
{
#region MPEG-4 Audio Object Type
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "MPEG-4 Audio Object Type:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = Mp4Util.GetMpeg4AudioObjectTypeString((Mp4Mpeg4AudioObjectType)((Mp4MpegAudioSampleEntry)desc).Mpeg4AudioObjectType);
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
}
}
}
// AVC Sample Description
Mp4Avc1SampleEntry avc_desc = desc as Mp4Avc1SampleEntry;
if (avc_desc != null)
{
string profile_name = Mp4Util.GetProfileName(avc_desc.Profile);
if (profile_name == null)
{
profile_name = avc_desc.Profile.ToString();
}
#region AVC Profile
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "AVC Profile:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = profile_name.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region AVC Profile Compat
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "AVC Profile Compat:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = avc_desc.ProfileCompatibility.ToString("X");
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region AVC Level
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "AVC Level:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = avc_desc.Level.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region AVC NALU Length Size
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "AVC NALU Length Size:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = avc_desc.NaluLengthSize.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
}
Mp4AudioSampleEntry audio_desc = desc as Mp4AudioSampleEntry;
if (audio_desc != null)
{
// Audio sample description
#region Sample Rate
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Sample Rate:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = Mp4Util.FormatDouble(audio_desc.SampleRate);
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Sample Size
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Sample Size:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = audio_desc.SampleSize.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Channels
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Channels:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = audio_desc.ChannelCount.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
}
Mp4VisualSampleEntry video_desc = desc as Mp4VisualSampleEntry;
if (video_desc != null)
{
// Video sample description
#region Width
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Width:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = video_desc.Width.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Height
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Height:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = video_desc.Height.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Depth
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Depth:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = video_desc.Depth.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
}
}
/// <summary>
///
/// </summary>
/// <param name="trackIndex"></param>
/// <param name="track"></param>
public void ShowTrackInfo(int trackIndex, Mp4Track track)
{
Expander expander = new Expander();
expander.Header = string.Format("Track {0}", trackIndex);
expander.IsExpanded = true;
expander.Background = Brushes.LightBlue;
Grid grid = new Grid();
grid.Background = Brushes.White;
grid.ColumnDefinitions.Add(new ColumnDefinition());
grid.ColumnDefinitions.Add(new ColumnDefinition());
Label label;
TextBox textBox;
#region Flag
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Flags:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = track.Flags.ToString();
if ((track.Flags & Mp4Track.TRACK_FLAG_ENABLED) != 0)
{
textBox.Text += " ENABLED";
}
if ((track.Flags & Mp4Track.TRACK_FLAG_IN_MOVIE) != 0)
{
textBox.Text += " IN-MOVIE";
}
if ((track.Flags & Mp4Track.TRACK_FLAG_IN_PREVIEW) != 0)
{
textBox.Text += " IN-PREVIEW";
}
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Id
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Id:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = track.Id.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Type
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Type:";
textBox = new TextBox();
textBox.IsReadOnly = true;
switch (track.Type)
{
case Mp4TrackType.AUDIO: textBox.Text = "Audio"; break;
case Mp4TrackType.VIDEO: textBox.Text = "Video"; break;
case Mp4TrackType.HINT: textBox.Text = "Hint"; break;
case Mp4TrackType.SYSTEM: textBox.Text = "System"; break;
case Mp4TrackType.TEXT: textBox.Text = "Text"; break;
case Mp4TrackType.JPEG: textBox.Text = "Jpeg"; break;
default:
{
string hdlr = Mp4Util.FormatFourChars(track.HandlerType);
textBox.Text = "Unknown [" + hdlr + "]";
break;
}
}
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Duration(ms)
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Duration(ms):";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = Mp4Util.ConvertTime(track.Duration, track.MediaTimeScale, 1000).ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Time scale
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Time scale:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = track.MediaTimeScale.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
#region Sample count
grid.RowDefinitions.Add(new RowDefinition());
label = new Label();
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Right;
label.Content = "Sample count:";
textBox = new TextBox();
textBox.IsReadOnly = true;
textBox.Text = track.SampleCount.ToString();
Grid.SetColumn(label, 0);
Grid.SetRow(label, grid.RowDefinitions.Count - 1);
grid.Children.Add(label);
Grid.SetColumn(textBox, 1);
Grid.SetRow(textBox, grid.RowDefinitions.Count - 1);
grid.Children.Add(textBox);
#endregion
Mp4Sample sample;
int index = 0;
uint desc_index = 0xFFFFFFFF;
if (track.SampleCount > 0)
{
while ((sample = track.GetSample(index)) != null)
{
if (sample.DescriptionIndex != desc_index)
{
desc_index = sample.DescriptionIndex;
// get the sample description
Mp4SampleEntry sample_desc = track.GetSampleDescription((int)desc_index);
if (sample_desc != null)
{
ShowSampleDescription(grid, (int)desc_index, sample_desc);
}
break;
}
index++;
}
}
else
{
for (int i = 0; i < track.SampleDescriptionCount; i++)
{
Mp4SampleEntry sampleDescription = track.GetSampleDescription(i);
if (sampleDescription != null)
{
ShowSampleDescription(grid, i, sampleDescription);
}
}
}
expander.Content = grid;
stackPanel.Children.Add(expander);
}
/// <summary>
///
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
private string GetImageSource(uint type)
{
return("/Mp4Explorer;component/Images/" + Mp4Util.FormatFourChars(type) + "_16.ico");
}
private string GetImageSource(uint type) =>
$"/Mp4Explorer;component/Images/{Mp4Util.FormatFourChars(type)}_16.ico";
