public MpegAudioXingFrame(IEnumerable <MpegAudioDataFrame> mpegAudioDataFrames)
: base
(
mpegAudioDataFrames.First().Version,
mpegAudioDataFrames.First().Layer,
mpegAudioDataFrames.First().HasErrorProtection,
FindLowestBitRateID(mpegAudioDataFrames.First()),
mpegAudioDataFrames.First().SampleRateID,
false,
mpegAudioDataFrames.First().PrivateBit,
mpegAudioDataFrames.First().ChannelMode,
mpegAudioDataFrames.First().JoinID,
mpegAudioDataFrames.First().IsCopyrighted,
mpegAudioDataFrames.First().IsOriginal,
mpegAudioDataFrames.First().Emphasis,
0x0000
)
{
if (mpegAudioDataFrames == null)
{
throw new ArgumentNullException("mpegAudioDataFrames");
}
this.fields = MpegAudioXingFields.FrameCount | MpegAudioXingFields.AudioDataLength | MpegAudioXingFields.TableOfContents;
this.frameCount = mpegAudioDataFrames.Count();
this.audioDataLength = mpegAudioDataFrames.Sum(frame => frame.TotalLength);
this.tableOfContents = GenerateTableOfContents(mpegAudioDataFrames).ToArray();
}
public MpegAudioXingFrame(BinaryReader reader)
: base(reader)
{
this.fields = (MpegAudioXingFields)Binary.SwitchEndianness(reader.ReadUInt32());
if (((int)fields & 0xFFFFFFF0) != 0)
{
throw new InvalidDataException(string.Format("Unexpected field flags '{0}' in Xing tag.", fields));
}
if ((fields & MpegAudioXingFields.FrameCount) != 0)
{
this.frameCount = Binary.SwitchEndianness(reader.ReadInt32());
}
if ((fields & MpegAudioXingFields.AudioDataLength) != 0)
{
this.audioDataLength = Binary.SwitchEndianness(reader.ReadInt32());
}
if ((fields & MpegAudioXingFields.TableOfContents) != 0)
{
this.tableOfContents = reader.ReadBytes(100);
}
if ((fields & MpegAudioXingFields.QualityIndicator) != 0)
{
this.qualityIndicator = Binary.SwitchEndianness(reader.ReadInt32());
}
if (PaddingLength < 0)
{
throw new InvalidDataException(string.Format("Invalid padding length '{0}'.", PaddingLength));
}
if (reader.ReadBytes(PaddingLength).Length != PaddingLength)
{
throw new InvalidDataException("Invalid padding length");
}
}
