internal DecoderConfiguration(ref Reader reader)
{
var dcd = reader.readStructure <DecoderConfigDescriptor>();
objectType = (eObjectType)dcd.objectTypeIndication;
streamType = (eStreamType)dcd.streamType;
upStream = dcd.upStream;
decodingBufferSize = dcd.bufferSizeDB;
maximumBitrate = dcd.maxBitrate;
averageBitrate = dcd.avgBitrate;
// The reader gotta be positioned at the start of AudioSpecificConfig tag.
// See ISO/IEC 14496-1 annex "E" for more info on tags and sizes.
eDescriptorTag tag = (eDescriptorTag)reader.readByte();
if (tag != eDescriptorTag.DecoderSpecificInfo)
{
throw new ArgumentException($"Expected eDescriptorTag.DecoderSpecificInfo, got { tag } instead");
}
int cb = reader.readSize();
if (reader.bytesLeft < cb)
{
throw new EndOfStreamException($"DecoderSpecificInfo has size { cb } in the header, yet the stream only has { reader.bytesLeft } unread bytes left");
}
audioSpecificConfig = new byte[cb];
reader.readBytes(audioSpecificConfig.AsSpan());
}
public String Get(eStreamType StreamKind, int StreamNumber, int Parameter, eInfoType KindOfInfo)
{
if(MustUseAnsi)
return Marshal.PtrToStringAnsi(MediaInfoA_GetI(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber, (IntPtr)Parameter, (IntPtr)KindOfInfo));
else
return Marshal.PtrToStringUni(MediaInfo_GetI(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber, (IntPtr)Parameter, (IntPtr)KindOfInfo));
}
private static void CreateChaptersMIL(XmlDocument xmlDoc, XmlNode chaptersNode, IMediaInfo mediaInfo)
{
Func <string, string, XmlNode> createNode = (name, value) => {
var n = xmlDoc.CreateElement(name);
if (value != null)
{
n.AppendChild(xmlDoc.CreateTextNode(value));
}
return(n);
};
XmlNode editionEntryNode, chapterAtomNode, chapterDisplayNode;
eStreamType streamKind = eStreamType.Menu;
int streamCount, entryCount;
streamCount = mediaInfo.Count_Get(streamKind);
for (int i = 0; i < streamCount; i++)
{
entryCount = mediaInfo.Count_Get(streamKind, i);
editionEntryNode = chaptersNode.AppendChild(xmlDoc.CreateElement("EditionEntry"));
int indexStart, indexEnd;
if (int.TryParse(mediaInfo.Get(streamKind, i, "Chapters_Pos_Begin"), out indexStart) && int.TryParse(mediaInfo.Get(streamKind, i, "Chapters_Pos_End"), out indexEnd))
{
chapterAtomNode = editionEntryNode.AppendChild(xmlDoc.CreateElement("ChapterAtom"));
for (; indexStart < indexEnd; indexStart++)
{
Func <string, ulong> conv = (str) => {
var timeParts = str.Split(new char[] { ':', '.' }).Select(s => ulong.Parse(s.Trim())).ToArray();
return((((timeParts[0] * 60 + timeParts[1]) * 60 + timeParts[2]) * 1000 + timeParts[3]) * 1000000);
};
var timeStamps = mediaInfo.Get(streamKind, i, indexStart, eInfoType.Name).Split('-');
ulong timestampStart = conv(timeStamps[0].Trim());
ulong timestampEnd;
if (timeStamps.Length > 1)
{
timestampEnd = conv(timeStamps[1].Trim());
}
chapterAtomNode.AppendChild(createNode("ChapterTimeStart", timestampStart.ToString()));
chapterDisplayNode = chapterAtomNode.AppendChild(xmlDoc.CreateElement("ChapterDisplay"));
string languageTitle, language, title;
languageTitle = mediaInfo.Get(streamKind, i, indexStart, eInfoType.Text);
language = languageTitle.Contains(':') ? languageTitle.Substring(0, languageTitle.IndexOf(':')) : null;
title = languageTitle.Substring(language == null ? 0 : language.Length + 1);
chapterDisplayNode.AppendChild(createNode("ChapterString", title));
if (language != null)
{
chapterDisplayNode.AppendChild(createNode("ChapterLanguage", language.Equals("en") ? "eng" : language));
}
}
}
}
}
private string Get(eStreamType type, int index, string key, Converter <string, string> converter = null)
{
string value = MIL.Get(type, index, key);
if (string.IsNullOrEmpty(value))
{
return("");
}
return(converter != null?converter(value) : value);
}
public String Get(eStreamType StreamKind, int StreamNumber, String Parameter, eInfoType KindOfInfo, eInfoType KindOfSearch)
{
if(MustUseAnsi) {
IntPtr Parameter_Ptr = Marshal.StringToHGlobalAnsi(Parameter);
String ToReturn = Marshal.PtrToStringAnsi(MediaInfoA_Get(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber, Parameter_Ptr, (IntPtr)KindOfInfo, (IntPtr)KindOfSearch));
Marshal.FreeHGlobal(Parameter_Ptr);
return ToReturn;
} else
return Marshal.PtrToStringUni(MediaInfo_Get(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber, Parameter, (IntPtr)KindOfInfo, (IntPtr)KindOfSearch));
}
public String Get(eStreamType StreamKind, int StreamNumber, int Parameter, eInfoType KindOfInfo)
{
if (MustUseAnsi)
{
return(Marshal.PtrToStringAnsi(MediaInfoA_GetI(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber, (IntPtr)Parameter, (IntPtr)KindOfInfo)));
}
else
{
return(Marshal.PtrToStringUni(MediaInfo_GetI(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber, (IntPtr)Parameter, (IntPtr)KindOfInfo)));
}
}
public String Get(eStreamType StreamKind, int StreamNumber, String Parameter, eInfoType KindOfInfo, eInfoType KindOfSearch)
{
if (MustUseAnsi)
{
IntPtr Parameter_Ptr = Marshal.StringToHGlobalAnsi(Parameter);
String ToReturn = Marshal.PtrToStringAnsi(MediaInfoA_Get(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber, Parameter_Ptr, (IntPtr)KindOfInfo, (IntPtr)KindOfSearch));
Marshal.FreeHGlobal(Parameter_Ptr);
return(ToReturn);
}
else
{
return(Marshal.PtrToStringUni(MediaInfo_Get(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber, Parameter, (IntPtr)KindOfInfo, (IntPtr)KindOfSearch)));
}
}
private static void CreateChaptersNode(XmlDocument xmlDoc, XmlNode n, IMediaInfo mediaInfo)
{
Func <string, ulong> conv = (str) => {
var timeParts = str.Split(new char[] { ':', '.' }).Select(s => ulong.Parse(s.Trim())).ToArray();
return((((timeParts[0] * 60 + timeParts[1]) * 60 + timeParts[2]) * 1000 + timeParts[3]) * 1000000);
};
int streamCount, entryCount;
eStreamType streamKind = eStreamType.Menu;
XmlNode entryNode, subNode;
string languageTitle, language, title;
streamCount = mediaInfo.Count_Get(streamKind);
for (int i = 0; i < streamCount; i++)
{
entryCount = mediaInfo.Count_Get(streamKind, i);
int indexStart, indexEnd;
if (int.TryParse(mediaInfo.Get(streamKind, i, "Chapters_Pos_Begin"), out indexStart) && int.TryParse(mediaInfo.Get(streamKind, i, "Chapters_Pos_End"), out indexEnd))
{
for (; indexStart < indexEnd; indexStart++)
{
entryNode = n.AppendChild(xmlDoc.CreateElement("Entry"));
var timeStamp = conv(mediaInfo.Get(streamKind, i, indexStart, eInfoType.Name).Split('-')[0].Trim());
subNode = entryNode.AppendChild(xmlDoc.CreateElement("Pos"));
subNode.Attributes.Append(xmlDoc.CreateAttribute("start")).Value = (timeStamp / 1000).ToString("0.###");
languageTitle = mediaInfo.Get(streamKind, i, indexStart, eInfoType.Text);
language = languageTitle.Contains(':') ? languageTitle.Substring(0, languageTitle.IndexOf(':')) : null;
title = languageTitle.Substring(language == null ? 0 : language.Length + 1);
subNode = entryNode.AppendChild(xmlDoc.CreateElement("Title"));
subNode.AppendChild(xmlDoc.CreateTextNode(title));
if (language != null)
{
subNode.Attributes.Append(xmlDoc.CreateAttribute("lang")).Value = language;
}
}
}
}
}
public String Get(int FilePos, eStreamType StreamKind, int StreamNumber, int Parameter, eInfoType KindOfInfo)
{
return(Marshal.PtrToStringUni(MediaInfoList_GetI(Handle, (IntPtr)FilePos, (IntPtr)StreamKind, (IntPtr)StreamNumber, (IntPtr)Parameter, (IntPtr)KindOfInfo)));
}
private string Get(eStreamType type, int index, string key, Converter<string, string> converter = null)
{
string value = MIL.Get(type, index, key);
if(string.IsNullOrEmpty(value)) return "";
return converter != null ? converter(value) : value;
}
public String Get(eStreamType StreamKind, int StreamNumber, int Parameter)
{
return(Get(StreamKind, StreamNumber, Parameter, eInfoType.Text));
}
public int Count_Get(eStreamType StreamKind)
{
return Count_Get(StreamKind, -1);
}
public String Get(int FilePos, eStreamType StreamKind, int StreamNumber, String Parameter)
{
return Get(FilePos, StreamKind, StreamNumber, Parameter, eInfoType.Text, eInfoType.Name);
}
public int Count_Get(eStreamType StreamKind, int StreamNumber)
{
return (int)MediaInfo_Count_Get(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber);
}
public String Get(int FilePos, eStreamType StreamKind, int StreamNumber, int Parameter, eInfoType KindOfInfo)
{
return Marshal.PtrToStringUni(MediaInfoList_GetI(Handle, (IntPtr)FilePos, (IntPtr)StreamKind, (IntPtr)StreamNumber, (IntPtr)Parameter, (IntPtr)KindOfInfo));
}
public int Count_Get(int FilePos, eStreamType StreamKind)
{
return Count_Get(FilePos, StreamKind, -1);
}
public int Count_Get(int FilePos, eStreamType StreamKind, int StreamNumber)
{
return (int)MediaInfoList_Count_Get(Handle, (IntPtr)FilePos, (IntPtr)StreamKind, (IntPtr)StreamNumber);
}
public int Count_Get(eStreamType StreamKind, int StreamNumber)
{
return((int)MediaInfo_Count_Get(Handle, (IntPtr)StreamKind, (IntPtr)StreamNumber));
}
public int Count_Get(int FilePos, eStreamType StreamKind)
{
return(Count_Get(FilePos, StreamKind, -1));
}
//Default values, if you know how to set default values in C#, say me
public String Get(eStreamType StreamKind, int StreamNumber, String Parameter, eInfoType KindOfInfo)
{
return(Get(StreamKind, StreamNumber, Parameter, KindOfInfo, eInfoType.Name));
}
//Default values, if you know how to set default values in C#, say me
public String Get(eStreamType StreamKind, int StreamNumber, String Parameter, eInfoType KindOfInfo)
{
return Get(StreamKind, StreamNumber, Parameter, KindOfInfo, eInfoType.Name);
}
public int Count_Get(eStreamType StreamKind)
{
return(Count_Get(StreamKind, -1));
}
public String Get(eStreamType StreamKind, int StreamNumber, int Parameter)
{
return Get(StreamKind, StreamNumber, Parameter, eInfoType.Text);
}
public String Get(int FilePos, eStreamType StreamKind, int StreamNumber, String Parameter)
{
return(Get(FilePos, StreamKind, StreamNumber, Parameter, eInfoType.Text, eInfoType.Name));
}
public int Count_Get(int FilePos, eStreamType StreamKind, int StreamNumber)
{
return((int)MediaInfoList_Count_Get(Handle, (IntPtr)FilePos, (IntPtr)StreamKind, (IntPtr)StreamNumber));
}
