private static string GetCodecStreamName(byte streamNumber, MovieEntry movieEntry, IEnumerable <HeaderList> headerLists)
{
StringBuilder codecStreamName = new StringBuilder();
codecStreamName.AppendFormat(CultureInfo.CurrentCulture, "Stream {0}", streamNumber);
if (movieEntry != null)
{
// The Stream Type
codecStreamName.AppendFormat(CultureInfo.CurrentCulture, ", {0}", Enum.GetName(typeof(InformationType), movieEntry.StreamType));
if (movieEntry.StreamType == InformationType.AudioData)
{
Pair <AviStreamFormat, AviStreamHeader> aviStreamFormatAndHeader = GetAviStreamFormatAndHeader(headerLists, StreamType.Audio);
if (aviStreamFormatAndHeader != null)
{
AviStreamFormat aviStreamFormat = aviStreamFormatAndHeader.First;
if (Enum.IsDefined(typeof(AviStreamFormat.FormatTag), (int)aviStreamFormat.FormatTagValue))
{
codecStreamName.AppendFormat(CultureInfo.CurrentCulture, ", {0}", Enum.GetName(typeof(AviStreamFormat.FormatTag), (int)aviStreamFormat.FormatTagValue).ToLower().Replace('_', ' '));
}
}
}
else if (movieEntry.StreamType == InformationType.CompressedVideoFrame ||
movieEntry.StreamType == InformationType.UncompressedVideoFrame)
{
Pair <AviStreamFormat, AviStreamHeader> aviStreamFormatAndHeader = GetAviStreamFormatAndHeader(headerLists, StreamType.Video);
if (aviStreamFormatAndHeader != null)
{
AviStreamFormat aviStreamFormat = aviStreamFormatAndHeader.First;
AviStreamHeader aviStreamHeader = aviStreamFormatAndHeader.Second;
string handler = aviStreamHeader.Handler.ToString4CC().ToLower(CultureInfo.CurrentCulture);
string compression = aviStreamFormat.Compression.ToString4CC().ToLower(CultureInfo.CurrentCulture);
if (!string.IsNullOrEmpty(handler))
{
codecStreamName.AppendFormat(CultureInfo.CurrentCulture, ", {0}", handler);
codecStreamName.AppendDescriptiveCodecName(handler);
}
if (compression != handler && !string.IsNullOrEmpty(compression))
{
codecStreamName.AppendFormat(CultureInfo.CurrentCulture, ", {0}", compression);
codecStreamName.AppendDescriptiveCodecName(compression);
}
}
}
}
return(codecStreamName.ToString());
}
private static void AddMovieEntries(IDataBlockBuilder dataBlockBuilder, IDictionary <byte, ICodecStreamBuilder> codecStreamBuilders, IResultNode chunk, IEnumerable <HeaderList> headerLists)
{
MovieEntry movieEntry = chunk as MovieEntry;
if (movieEntry != null)
{
AddMovieEntry(dataBlockBuilder, codecStreamBuilders, movieEntry, headerLists);
}
foreach (AviChunk child in chunk.Children)
{
AddMovieEntries(dataBlockBuilder, codecStreamBuilders, child, headerLists);
}
}
private static void AddMovieEntry(IDataBlockBuilder dataBlockBuilder, IDictionary <byte, ICodecStreamBuilder> codecStreamBuilders, MovieEntry movieEntry, IEnumerable <HeaderList> headerLists)
{
if (movieEntry.StreamType != InformationType.AudioData &&
movieEntry.StreamType != InformationType.UncompressedVideoFrame &&
movieEntry.StreamType != InformationType.CompressedVideoFrame)
{
//if (movieEntry.StreamType == InformationType.PaletteChanged) { TODO ask Rikkert }
return;
}
IDataPacket streamData = movieEntry.StreamData;
if (streamData == null)
{
return;
}
byte channel = movieEntry.Channel;
if (codecStreamBuilders.ContainsKey(channel))
{
ICodecStreamBuilder codecStreamBuilder = codecStreamBuilders[channel];
codecStreamBuilder.Data = codecStreamBuilder.Data.Append(streamData);
}
else
{
ICodecStreamBuilder codecStreamBuilder = dataBlockBuilder.AddCodecStream();
codecStreamBuilder.Name = GetCodecStreamName(channel, movieEntry, headerLists);
codecStreamBuilder.AbsoluteStartOffset = streamData.StartOffset;
codecStreamBuilder.Data = streamData;
// The DataFormat will be set by the codec detector (if one exists)
//codecStreamBuilder.DataFormat = GetDataFormat(headerLists);
codecStreamBuilders.Add(channel, codecStreamBuilder);
}
}
