/// <summary>
/// Reads a new WaveFormat object from a stream
/// </summary>
/// <param name="br">A binary reader that wraps the stream</param>
public WaveFormat(BinaryReader br)
{
int formatChunkLength = br.ReadInt32();
if(formatChunkLength < 16)
throw new ApplicationException("Invalid WaveFormat Structure");
this.waveFormatTag = (WaveFormatEncoding) br.ReadUInt16();
this.channels = br.ReadInt16();
this.sampleRate = br.ReadInt32();
this.averageBytesPerSecond = br.ReadInt32();
this.blockAlign = br.ReadInt16();
this.bitsPerSample = br.ReadInt16();
if (formatChunkLength > 16)
{
this.extraSize = br.ReadInt16();
if (this.extraSize > formatChunkLength - 18)
{
Console.WriteLine("Format chunk mismatch");
//RRL GSM exhibits this bug. Don't throw an exception
//throw new ApplicationException("Format chunk length mismatch");
this.extraSize = (short) (formatChunkLength - 18);
}
// read any extra data
// br.ReadBytes(extraSize);
}
}
public WaveFormat(BinaryReader br)
{
int num = br.ReadInt32();
if (num < 16)
{
throw new SharpDXException("Invalid WaveFormat Structure", new object[0]);
}
this.waveFormatTag = (WaveFormatEncoding)br.ReadUInt16();
this.channels = br.ReadInt16();
this.sampleRate = br.ReadInt32();
this.averageBytesPerSecond = br.ReadInt32();
this.blockAlign = br.ReadInt16();
this.bitsPerSample = br.ReadInt16();
this.extraSize = (short)0;
if (num <= 16)
{
return;
}
this.extraSize = br.ReadInt16();
if ((int)this.extraSize <= num - 18)
{
return;
}
Console.WriteLine("Format chunk mismatch");
this.extraSize = (short)(num - 18);
}
public uint[] GetSeekTable(uint index, out WaveFormatEncoding tag)
{
if (index >= bankData.EntryCount)
{
throw new ArgumentOutOfRangeException("index");
}
tag = 0;
var minFormat = GetMiniWaveFormat(index);
var seekTable = FindSeekTable(index);
switch (minFormat.FormatTag)
{
case MiniWaveFormat.Tag.WMA: // xWMA is supported by XAudio 2.7 and by Xbox One
tag = (minFormat.BitsPerSample & 0x1) > 0 ? WaveFormatEncoding.Wmaudio3 : WaveFormatEncoding.Wmaudio2;
break;
case MiniWaveFormat.Tag.XMA:
tag = (WaveFormatEncoding)0x166 /* WAVE_FORMAT_XMA2 */;
break;
default:
return(null);
}
return(null);
}
/// <summary>
/// Reads a new WaveFormat object from a stream
/// </summary>
/// <param name="br">A binary reader that wraps the stream</param>
public WaveFormat(BinaryReader br)
{
int formatChunkLength = br.ReadInt32();
if (formatChunkLength < 16)
{
throw new ApplicationException("Invalid WaveFormat Structure");
}
this.waveFormatTag = (WaveFormatEncoding)br.ReadUInt16();
this.channels = br.ReadInt16();
this.sampleRate = br.ReadInt32();
this.averageBytesPerSecond = br.ReadInt32();
this.blockAlign = br.ReadInt16();
this.bitsPerSample = br.ReadInt16();
if (formatChunkLength > 16)
{
this.extraSize = br.ReadInt16();
if (this.extraSize > formatChunkLength - 18)
{
Console.WriteLine("Format chunk mismatch");
//RRL GSM exhibits this bug. Don't throw an exception
//throw new ApplicationException("Format chunk length mismatch");
this.extraSize = (short)(formatChunkLength - 18);
}
// read any extra data
// br.ReadBytes(extraSize);
}
}
/// <summary>
/// Converts a <see cref="WaveFormatEncoding"/> and bits per sample information
/// into an appropriate <see cref="SampleFormat"/>.
/// </summary>
///
/// <param name="tag">The wave format tag.</param>
/// <param name="bitsPerSample">The bits per sample.</param>
///
public static SampleFormat ToSampleFormat(this WaveFormatEncoding tag, int bitsPerSample)
{
if (tag == WaveFormatEncoding.Pcm)
{
if (bitsPerSample == 16)
{
return(SampleFormat.Format16Bit);
}
else if (bitsPerSample == 32)
{
return(SampleFormat.Format32Bit);
}
}
else if (tag == WaveFormatEncoding.IeeeFloat)
{
if (bitsPerSample == 32)
{
return(SampleFormat.Format32BitIeeeFloat);
}
else if (bitsPerSample == 64)
{
return(SampleFormat.Format64BitIeeeFloat);
}
}
throw new ArgumentOutOfRangeException("tag", "Unsupported format tag.");
}
public AudioFormat(WaveFormatEncoding waveEncoding, int channels, int bitsPerSample, int sampleRate)
{
WaveEncoding = waveEncoding;
Channels = channels;
BitsPerSample = bitsPerSample;
SampleRate = sampleRate;
}
public WaveFormatExtensible(int rate, int bits, int channels)
: this()
{
if (channels < 1)
{
throw new ArgumentOutOfRangeException("Channels must be 1 or greater", "channels");
}
// minimum 16 bytes, sometimes 18 for PCM
this.WaveFormatTag = WaveFormatEncoding.Pcm;
this.Channels = (short)channels;
this.SampleRate = rate;
this.BitsPerSample = (short)bits;
this.ExtraSize = 0;
this.BlockAlign = (short)(channels * (bits / 8));
this.AverageBytesPerSecond = this.SampleRate * this.BlockAlign;
WaveFormatTag = WaveFormatEncoding.Extensible;
ExtraSize = 22;
ValidBitsPerSample = (short)bits;
for (int n = 0; n < channels; n++)
{
ChannelMask |= (1 << n);
}
if (bits == 32)
{
// KSDATAFORMAT_SUBTYPE_IEEE_FLOAT
SubFormat = MEDIASUBTYPE_IEEE_FLOAT; // new Guid("00000003-0000-0010-8000-00aa00389b71");
}
else
{
// KSDATAFORMAT_SUBTYPE_PCM
SubFormat = MEDIASUBTYPE_PCM; // new Guid("00000001-0000-0010-8000-00aa00389b71");
}
}
private void ReadWaveFormat(BinaryReader br, int formatChunkLength)
{
if (formatChunkLength < 16)
{
throw new InvalidDataException("Invalid WaveFormat Structure");
}
waveFormatTag = (WaveFormatEncoding)br.ReadUInt16();
channels = br.ReadInt16();
sampleRate = br.ReadInt32();
averageBytesPerSecond = br.ReadInt32();
blockAlign = br.ReadInt16();
bitsPerSample = br.ReadInt16();
if (formatChunkLength > 16)
{
extraSize = br.ReadInt16();
if (extraSize != formatChunkLength - 18)
{
Debug.WriteLine("Format chunk mismatch");
extraSize = (short)(formatChunkLength - 18);
}
}
}
/// <summary>
/// Initializes and A-Law or u-Law "WaveStream". The source stream
/// must be 16-bit PCM!
/// </summary>
/// <param name="_encoding">ALaw or MuLaw only.</param>
/// <param name="_sourcestream">The input PCM stream.</param>
public PcmToG711ConversionStream( WaveFormatEncoding _encoding,
IWaveProvider _provider )
{
Provider = _provider;
WaveFormat sourceformat = Provider.WaveFormat;
if( (sourceformat.Encoding != WaveFormatEncoding.Pcm) &&
(sourceformat.BitsPerSample != 16) )
{
throw new NotSupportedException("Input must be 16-bit PCM. Try using a conversion stream.");
}
if( _encoding == WaveFormatEncoding.ALaw )
{
Encode = this.EncodeALaw;
waveFormat = WaveFormat.CreateALawFormat( _provider.WaveFormat.SampleRate,
_provider.WaveFormat.Channels) ;
}
else if( _encoding == WaveFormatEncoding.MuLaw )
{
Encode = this.EncodeMuLaw;
waveFormat = WaveFormat.CreateMuLawFormat( _provider.WaveFormat.SampleRate,
_provider.WaveFormat.Channels) ;
}
else
{
throw new NotSupportedException("Encoding must be A-Law or u-Law");
}
}
public static unsafe WaveFormat MarshalFrom(IntPtr pointer)
{
if (pointer == IntPtr.Zero)
{
return((WaveFormat)null);
}
WaveFormat.__PcmNative @ref = *(WaveFormat.__PcmNative *)(void *) pointer;
WaveFormatEncoding waveFormatEncoding = @ref.waveFormatTag;
if ((int)@ref.channels <= 2 && (waveFormatEncoding == WaveFormatEncoding.Pcm || waveFormatEncoding == WaveFormatEncoding.IeeeFloat || (waveFormatEncoding == WaveFormatEncoding.Wmaudio2 || waveFormatEncoding == WaveFormatEncoding.Wmaudio3)))
{
WaveFormat waveFormat = new WaveFormat();
waveFormat.__MarshalFrom(ref @ref);
return(waveFormat);
}
else if (waveFormatEncoding == WaveFormatEncoding.Extensible)
{
WaveFormatExtensible formatExtensible = new WaveFormatExtensible();
formatExtensible.__MarshalFrom(ref *(WaveFormatExtensible.__Native *)(void *) pointer);
return((WaveFormat)formatExtensible);
}
else
{
if (waveFormatEncoding != WaveFormatEncoding.Adpcm)
{
throw new InvalidOperationException(string.Format("Unsupported WaveFormat [{0}]", (object)waveFormatEncoding));
}
WaveFormatAdpcm waveFormatAdpcm = new WaveFormatAdpcm();
waveFormatAdpcm.__MarshalFrom(ref *(WaveFormatAdpcm.__Native *)(void *) pointer);
return((WaveFormat)waveFormatAdpcm);
}
}
public AudioCodecArgs(WaveFormatEncoding waveEnconding, int channels, int bitsPerChannel, int frequency, int bitrate, short frameSize, byte complexity)
: base(waveEnconding, channels, bitsPerChannel, frequency)
{
Bitrate = bitrate;
FrameSize = frameSize;
Complexity = complexity;
}
public AudioFrame(int size, WaveFormatEncoding encoding, int bytesPerSample)
{
size = Math.Max(size.CeilingToPowerOfTwo(), MIN_BUFFER_SIZE);
data = new float[size];
this.encoding = encoding;
this.bytesPerSample = bytesPerSample;
}
internal void __MarshalFrom(ref WaveFormat.__PcmNative @ref)
{
this.waveFormatTag = @ref.waveFormatTag;
this.channels = @ref.channels;
this.sampleRate = @ref.sampleRate;
this.averageBytesPerSecond = @ref.averageBytesPerSecond;
this.blockAlign = @ref.blockAlign;
this.bitsPerSample = @ref.bitsPerSample;
this.extraSize = (short)0;
}
// Method to marshal from native to managed struct
internal void __MarshalFrom(ref __Native @ref)
{
waveFormatTag = @ref.pcmWaveFormat.waveFormatTag;
channels = @ref.pcmWaveFormat.channels;
sampleRate = @ref.pcmWaveFormat.sampleRate;
averageBytesPerSecond = @ref.pcmWaveFormat.averageBytesPerSecond;
blockAlign = @ref.pcmWaveFormat.blockAlign;
bitsPerSample = @ref.pcmWaveFormat.bitsPerSample;
extraSize = @ref.extraSize;
}
// Method to marshal from native to managed struct
internal void __MarshalFrom(ref __Native @ref)
{
waveFormatTag = @ref.pcmWaveFormat.waveFormatTag;
channels = @ref.pcmWaveFormat.channels;
sampleRate = @ref.pcmWaveFormat.sampleRate;
averageBytesPerSecond = @ref.pcmWaveFormat.averageBytesPerSecond;
blockAlign = @ref.pcmWaveFormat.blockAlign;
bitsPerSample = @ref.pcmWaveFormat.bitsPerSample;
extraSize = @ref.extraSize;
}
public override string ToString()
{
WaveFormatEncoding waveFormatEncoding = this.waveFormatTag;
if (waveFormatEncoding == WaveFormatEncoding.Pcm || waveFormatEncoding == WaveFormatEncoding.Extensible)
{
return(string.Format("{0} bit PCM: {1}kHz {2} channels", this.bitsPerSample, this.sampleRate / 1000, this.channels));
}
return(this.waveFormatTag.ToString());
}
// Method to marshal from native to managed struct
internal unsafe void __MarshalFrom(ref __Native @ref)
{
this.waveFormatTag = @ref.pcmWaveFormat.waveFormatTag;
this.channels = @ref.pcmWaveFormat.channels;
this.sampleRate = @ref.pcmWaveFormat.sampleRate;
this.averageBytesPerSecond = @ref.pcmWaveFormat.averageBytesPerSecond;
this.blockAlign = @ref.pcmWaveFormat.blockAlign;
this.bitsPerSample = @ref.pcmWaveFormat.bitsPerSample;
this.extraSize = @ref.extraSize;
}
// Method to marshal from native to managed struct
internal unsafe void __MarshalFrom(ref __Native @ref)
{
this.waveFormatTag = @ref.pcmWaveFormat.waveFormatTag;
this.channels = @ref.pcmWaveFormat.channels;
this.sampleRate = @ref.pcmWaveFormat.sampleRate;
this.averageBytesPerSecond = @ref.pcmWaveFormat.averageBytesPerSecond;
this.blockAlign = @ref.pcmWaveFormat.blockAlign;
this.bitsPerSample = @ref.pcmWaveFormat.bitsPerSample;
this.extraSize = @ref.extraSize;
}
public WaveFormatExtensible(WaveFormat waveFormat)
: this()
{
this.WaveFormatTag = waveFormat.WaveFormatTag;
this.Channels = waveFormat.Channels;
this.SampleRate = waveFormat.SampleRate;
this.AverageBytesPerSecond = waveFormat.AverageBytesPerSecond;
this.BlockAlign = waveFormat.BlockAlign;
this.BitsPerSample = waveFormat.BitsPerSample;
this.ExtraSize = waveFormat.ExtraSize;
}
private EventHandler <WaveInEventArgs> GetHandlerByEncoding(WaveFormatEncoding encoding)
{
switch (encoding)
{
case WaveFormatEncoding.IeeeFloat:
return(HandleIeeeFloatBuffer);
default:
throw new NotImplementedException($"La codifica {encoding} al momento non è supportata");
}
}
public float[] ReadNextSampleFrame()
{
WaveFormatEncoding encoding = this.waveFormat.Encoding;
if (encoding != WaveFormatEncoding.Pcm && encoding != WaveFormatEncoding.IeeeFloat && encoding != WaveFormatEncoding.Extensible)
{
throw new InvalidOperationException("Only 16, 24 or 32 bit PCM or IEEE float audio data supported");
}
float[] array = new float[this.waveFormat.Channels];
int num = this.waveFormat.Channels * (this.waveFormat.BitsPerSample / 8);
byte[] array2 = new byte[num];
int num2 = this.Read(array2, 0, num);
if (num2 == 0)
{
return(null);
}
if (num2 < num)
{
throw new InvalidDataException("Unexpected end of file");
}
int num3 = 0;
for (int i = 0; i < this.waveFormat.Channels; i++)
{
if (this.waveFormat.BitsPerSample == 16)
{
array[i] = (float)BitConverter.ToInt16(array2, num3) / 32768f;
num3 += 2;
}
else if (this.waveFormat.BitsPerSample == 24)
{
array[i] = (float)((int)((sbyte)array2[num3 + 2]) << 16 | (int)array2[num3 + 1] << 8 | (int)array2[num3]) / 8388608f;
num3 += 3;
}
else if (this.waveFormat.BitsPerSample == 32 && this.waveFormat.Encoding == WaveFormatEncoding.IeeeFloat)
{
array[i] = BitConverter.ToSingle(array2, num3);
num3 += 4;
}
else
{
if (this.waveFormat.BitsPerSample != 32)
{
throw new InvalidOperationException("Unsupported bit depth");
}
array[i] = (float)BitConverter.ToInt32(array2, num3) / 2.14748365E+09f;
num3 += 4;
}
}
return(array);
}
public WaveFormat(int rate, int bits, int channels)
{
if (channels < 1)
throw new ArgumentOutOfRangeException("Channels must be 1 or greater", "channels");
this.waveFormatTag = bits < 32 ? WaveFormatEncoding.Pcm : WaveFormatEncoding.IeeeFloat;
this.channels = (short) channels;
this.sampleRate = rate;
this.bitsPerSample = (short) bits;
this.extraSize = (short) 0;
this.blockAlign = (short) (channels * (bits / 8));
this.averageBytesPerSecond = this.sampleRate * (int) this.blockAlign;
}
public void ReadFromStream(Stream stream)
{
BinaryReader br = new BinaryReader(stream);
FormatTag = (WaveFormatEncoding)br.ReadInt16();
Channels = br.ReadInt16();
SamplesPerSec = br.ReadInt32();
AverageBytesPerSecond = br.ReadInt32();
BlockAlign = br.ReadInt16();
BitsPerSample = br.ReadInt16();
ExtraDataSize = br.ReadInt16();
ExtraData = stream.EnsureRead(ExtraDataSize);
}
public WaveFormat DequeueWaveFormat()
{
int averageBytesPerSecond = DequeueInt();
int bitsPerSample = DequeueInt();
int blockAlign = DequeueInt();
int channels = DequeueInt();
WaveFormatEncoding encoding = DequeueWaveFormatEncoding();
int sampleRate = DequeueInt();
return(WaveFormat.CreateCustomFormat(encoding, sampleRate,
channels, averageBytesPerSecond, blockAlign, bitsPerSample));
}
/// <summary>
/// Creates a WaveFormat with custom members
/// </summary>
/// <param name="tag">The encoding</param>
/// <param name="sampleRate">Sample Rate</param>
/// <param name="channels">Number of channels</param>
/// <param name="averageBytesPerSecond">Average Bytes Per Second</param>
/// <param name="blockAlign">Block Align</param>
/// <param name="bitsPerSample">Bits Per Sample</param>
/// <returns></returns>
public static WaveFormat CreateCustomFormat(WaveFormatEncoding tag, int sampleRate, int channels, int averageBytesPerSecond, int blockAlign, int bitsPerSample)
{
WaveFormat waveFormat = new WaveFormat();
waveFormat.waveFormatTag = tag;
waveFormat.channels = (short)channels;
waveFormat.sampleRate = sampleRate;
waveFormat.averageBytesPerSecond = averageBytesPerSecond;
waveFormat.blockAlign = (short)blockAlign;
waveFormat.bitsPerSample = (short)bitsPerSample;
waveFormat.extraSize = 0;
return waveFormat;
}
public void ReadFromStream(Stream stream)
{
BinaryReader br = new BinaryReader(stream);
FormatTag = (WaveFormatEncoding)br.ReadInt16();
Channels = br.ReadInt16();
SamplesPerSec = br.ReadInt32();
AverageBytesPerSecond = br.ReadInt32();
BlockAlign = br.ReadInt16();
BitsPerSample = br.ReadInt16();
ExtraDataSize = br.ReadInt16();
ExtraData = stream.EnsureRead(ExtraDataSize);
}
/// <summary>
/// Creates a WaveFormat with custom members
/// </summary>
/// <param name="tag">The encoding</param>
/// <param name="sampleRate">Sample Rate</param>
/// <param name="channels">Number of channels</param>
/// <param name="averageBytesPerSecond">Average Bytes Per Second</param>
/// <param name="blockAlign">Block Align</param>
/// <param name="bitsPerSample">Bits Per Sample</param>
/// <returns></returns>
public static WaveFormat CreateCustomFormat(WaveFormatEncoding tag, int sampleRate, int channels, int averageBytesPerSecond, int blockAlign, int bitsPerSample)
{
WaveFormat waveFormat = new WaveFormat();
waveFormat.waveFormatTag = tag;
waveFormat.channels = (short)channels;
waveFormat.sampleRate = sampleRate;
waveFormat.averageBytesPerSecond = averageBytesPerSecond;
waveFormat.blockAlign = (short)blockAlign;
waveFormat.bitsPerSample = (short)bitsPerSample;
waveFormat.extraSize = 0;
return(waveFormat);
}
public static WaveFormat CreateCustomFormat(WaveFormatEncoding tag, int sampleRate, int channels, int averageBytesPerSecond, int blockAlign, int bitsPerSample)
{
return(new WaveFormat
{
waveFormatTag = tag,
channels = (short)channels,
sampleRate = sampleRate,
averageBytesPerSecond = averageBytesPerSecond,
blockAlign = (short)blockAlign,
bitsPerSample = (short)bitsPerSample,
extraSize = 0
});
}
/// <summary>
/// Creates a WaveFormat with custom members
/// </summary>
/// <param name="tag">The encoding</param>
/// <param name="sampleRate">Sample Rate</param>
/// <param name="channels">Number of channels</param>
/// <param name="averageBytesPerSecond">Average Bytes Per Second</param>
/// <param name="blockAlign">Block Align</param>
/// <param name="bitsPerSample">Bits Per Sample</param>
/// <returns></returns>
public static WaveFormatExtensible CreateCustomFormat(WaveFormatEncoding tag, int sampleRate, int channels, int averageBytesPerSecond, int blockAlign, int bitsPerSample)
{
WaveFormatExtensible waveFormat = new WaveFormatExtensible();
waveFormat.WaveFormatTag = tag;
waveFormat.Channels = (short)channels;
waveFormat.SampleRate = sampleRate;
waveFormat.AverageBytesPerSecond = averageBytesPerSecond;
waveFormat.BlockAlign = (short)blockAlign;
waveFormat.BitsPerSample = (short)bitsPerSample;
waveFormat.ExtraSize = 0;
return(waveFormat);
}
/// <summary>
/// Creates a WaveFormat with custom members
/// </summary>
/// <param name="tag">The encoding</param>
/// <param name="SampleRate">Sample Rate</param>
/// <param name="Channels">Number of Channels</param>
/// <param name="AverageBytesPerSecond">Average Bytes Per Second</param>
/// <param name="BlockAlign">Block Align</param>
/// <param name="BitsPerSample">Bits Per Sample</param>
/// <returns></returns>
public static WaveFormat CreateCustomFormat(WaveFormatEncoding tag, int SampleRate, int Channels, int AverageBytesPerSecond, int BlockAlign, int BitsPerSample)
{
WaveFormat waveFormat = new WaveFormat();
waveFormat.waveFormatTag = tag;
waveFormat.Channels = (short)Channels;
waveFormat.SampleRate = SampleRate;
waveFormat.AverageBytesPerSecond = AverageBytesPerSecond;
waveFormat.BlockAlign = (short)BlockAlign;
waveFormat.BitsPerSample = (short)BitsPerSample;
waveFormat.ExtraSize = 0;
return(waveFormat);
}
// Преобрузет несколько байт в float, в зависимости от типа кодирования
private float CovnertBuffer(byte[] buffer, int startIndex, WaveFormatEncoding encoding)
{
switch (encoding)
{
case WaveFormatEncoding.Pcm:
return(BitConverter.ToInt16(buffer, startIndex));
case WaveFormatEncoding.IeeeFloat:
return(BitConverter.ToSingle(buffer, startIndex));
default:
throw new NotSupportedException();
}
}
public WaveFormat(int rate, int bits, int channels)
{
if (channels < 1)
{
throw new ArgumentOutOfRangeException("channels", "Channels must be 1 or greater");
}
this.waveFormatTag = WaveFormatEncoding.Pcm;
this.channels = (short)channels;
this.sampleRate = rate;
this.bitsPerSample = (short)bits;
this.extraSize = 0;
this.blockAlign = (short)(channels * (bits / 8));
this.averageBytesPerSecond = this.sampleRate * (int)this.blockAlign;
}
public ProcessorWaveProvider(string sourceName, IWaveProvider sourceWaveProvider, string waveFilePath, WaveFormat outFormat, Common.ProcessRadioSignalingItemDelegate sigDelegate, Action <bool> hasPropertyChanged, bool recordEnabled, Common.SignalRecordingType recordType, int recordKickTime, Common.NoiseFloor noiseFloor, int customNoiseFloor, bool removeNoise, bool decodeMDC1200, bool decodeGEStar, bool decodeFleetSync, bool decodeP25)
: base(sourceWaveProvider, waveFilePath)
{
LastValidStreamTitle = string.Empty;
_sourceName = sourceName;
_sourceFormat = sourceWaveProvider.WaveFormat;
_outFormat = outFormat;
_hasPropertyChanged = hasPropertyChanged;
_silenceHelper = new SilenceHelper(outFormat.AverageBytesPerSecond / (outFormat.BitsPerSample / 8), noiseFloor, removeNoise, customNoiseFloor);
if (outFormat.Equals(sourceWaveProvider.WaveFormat))
{
_resampleStream = null;
_useResampler = false;
}
else
{
if (Common.AppSettings.Instance.DiagnosticMode)
{
Common.ConsoleHelper.ColorWriteLine(ConsoleColor.Magenta, "{0}: Source Format <> Out Format [{1}] <> [{2}]", sourceName, sourceWaveProvider.WaveFormat, outFormat);
}
_resampleStream = new NAudio.Wave.Compression.AcmStream(sourceWaveProvider.WaveFormat, outFormat);
_useResampler = true;
}
if (decodeMDC1200)
{
_mdc = new Decoders.MDC1200(outFormat.SampleRate, ProcessMDC1200, sourceName);
}
else
{
_mdc = null;
}
if (decodeGEStar)
{
_star = new Decoders.STAR(outFormat.SampleRate, ProcessSTAR, Decoders.STAR.star_format.star_format_1_16383, sourceName);
}
else
{
_star = null;
}
_rootDecoder = new Decoders.RootDecoder(outFormat.SampleRate, decodeFleetSync, decodeP25, ProcessRootDecoder);
_recorder = new AudioRecorder(sourceName, recordType, recordKickTime, outFormat, AudioProcessingGlobals.DefaultSaveFileWaveFormat, recordEnabled);
_bytesPerSample = outFormat.BitsPerSample / 8;
_encoding = outFormat.Encoding;
_sigDelegate = sigDelegate;
}
public ProcessorWaveProvider(string sourceName, IWaveProvider sourceWaveProvider, string waveFilePath, WaveFormat outFormat, Common.ProcessRadioSignalingItemDelegate sigDelegate, Action<bool> hasPropertyChanged, bool recordEnabled, Common.SignalRecordingType recordType, int recordKickTime, Common.NoiseFloor noiseFloor, int customNoiseFloor,bool removeNoise, bool decodeMDC1200, bool decodeGEStar, bool decodeFleetSync, bool decodeP25)
: base(sourceWaveProvider, waveFilePath)
{
LastValidStreamTitle = string.Empty;
_sourceName = sourceName;
_sourceFormat = sourceWaveProvider.WaveFormat;
_outFormat = outFormat;
_hasPropertyChanged = hasPropertyChanged;
_silenceHelper = new SilenceHelper(outFormat.AverageBytesPerSecond / (outFormat.BitsPerSample / 8), noiseFloor, removeNoise, customNoiseFloor);
if (outFormat.Equals(sourceWaveProvider.WaveFormat))
{
_resampleStream = null;
_useResampler = false;
}
else
{
if (Common.AppSettings.Instance.DiagnosticMode)
{
Common.ConsoleHelper.ColorWriteLine(ConsoleColor.Magenta, "{0}: Source Format <> Out Format [{1}] <> [{2}]", sourceName, sourceWaveProvider.WaveFormat, outFormat);
}
_resampleStream = new NAudio.Wave.Compression.AcmStream(sourceWaveProvider.WaveFormat, outFormat);
_useResampler = true;
}
if (decodeMDC1200)
{
_mdc = new Decoders.MDC1200(outFormat.SampleRate, ProcessMDC1200, sourceName);
}
else
{
_mdc = null;
}
if (decodeGEStar)
{
_star = new Decoders.STAR(outFormat.SampleRate, ProcessSTAR, Decoders.STAR.star_format.star_format_1_16383, sourceName);
}
else
{
_star = null;
}
_rootDecoder = new Decoders.RootDecoder(outFormat.SampleRate, decodeFleetSync, decodeP25, ProcessRootDecoder);
_recorder = new AudioRecorder(sourceName, recordType, recordKickTime, outFormat, AudioProcessingGlobals.DefaultSaveFileWaveFormat, recordEnabled);
_bytesPerSample = outFormat.BitsPerSample / 8;
_encoding = outFormat.Encoding;
_sigDelegate = sigDelegate;
}
/// <summary>
/// Creates a new PCM format with the specified sample rate, bit depth and channels
/// </summary>
public WaveFormat(int rate, int bits, int channels)
{
if (channels < 1)
{
throw new ArgumentOutOfRangeException("Channels must be 1 or greater", "channels");
}
// minimum 16 bytes, sometimes 18 for PCM
this.waveFormatTag = WaveFormatEncoding.Pcm;
this.channels = (short)channels;
this.sampleRate = rate;
this.bitsPerSample = (short)bits;
this.extraSize = 0;
this.blockAlign = (short)(channels * (bits / 8));
this.averageBytesPerSecond = this.sampleRate * this.blockAlign;
}
/// <summary>
/// Creates a WaveFormat with custom members
/// </summary>
/// <param name="tag">The encoding</param>
/// <param name="sampleRate">Sample Rate</param>
/// <param name="channels">Number of channels</param>
/// <param name="averageBytesPerSecond">Average Bytes Per Second</param>
/// <param name="blockAlign">Block Align</param>
/// <param name="bitsPerSample">Bits Per Sample</param>
/// <returns></returns>
public static WaveFormat CreateCustomFormat(WaveFormatEncoding tag, int sampleRate, int channels,
int averageBytesPerSecond, int blockAlign, int bitsPerSample)
{
var waveFormat = new WaveFormat
{
_waveFormatTag = tag,
_channels = (short)channels,
_sampleRate = sampleRate,
_averageBytesPerSecond = averageBytesPerSecond,
_blockAlign = (short)blockAlign,
_bitsPerSample = (short)bitsPerSample,
_extraSize = 0
};
return(waveFormat);
}
/// <summary>
/// Creates a new PCM format with the specified sample rate, bit depth and channels
/// </summary>
public WaveFormat(int rate, int bits, int channels)
{
if (channels < 1)
{
throw new ArgumentOutOfRangeException("Channels", "Channels must be 1 or greater");
}
// minimum 16 bytes, sometimes 18 for PCM
waveFormatTag = WaveFormatEncoding.Pcm;
this.channels = (short)channels;
sampleRate = rate;
bitsPerSample = (short)bits;
extraSize = 0;
blockAlign = (short)(channels * (bits / 8));
averageBytesPerSecond = this.sampleRate * this.blockAlign;
}
/// <summary>
/// Creates a new PCM format with the specified sample rate, bit depth and Channels
/// </summary>
public WaveFormat(int rate, int bits, int Channels)
{
if (Channels < 1)
{
throw new ArgumentOutOfRangeException(Channels.ToString(), "Channels must be 1 or greater");
}
// minimum 16 bytes, sometimes 18 for PCM
waveFormatTag = WaveFormatEncoding.Pcm;
this.Channels = (short)Channels;
SampleRate = rate;
BitsPerSample = (short)bits;
ExtraSize = 0;
BlockAlign = (short)(Channels * (bits / 8));
AverageBytesPerSecond = this.SampleRate * this.BlockAlign;
}
public WaveFormat(BinaryReader br)
{
int num = br.ReadInt32();
if (num < 16)
throw new SharpDXException("Invalid WaveFormat Structure", new object[0]);
this.waveFormatTag = (WaveFormatEncoding) br.ReadUInt16();
this.channels = br.ReadInt16();
this.sampleRate = br.ReadInt32();
this.averageBytesPerSecond = br.ReadInt32();
this.blockAlign = br.ReadInt16();
this.bitsPerSample = br.ReadInt16();
this.extraSize = (short) 0;
if (num <= 16)
return;
this.extraSize = br.ReadInt16();
if ((int) this.extraSize <= num - 18)
return;
Console.WriteLine("Format chunk mismatch");
this.extraSize = (short) (num - 18);
}
private void ReadWaveFormat(BinaryReader br, int formatChunkLength)
{
if (formatChunkLength < 16)
throw new ApplicationException("Invalid WaveFormat Structure");
waveFormatTag = (WaveFormatEncoding) br.ReadUInt16();
channels = br.ReadInt16();
sampleRate = br.ReadInt32();
averageBytesPerSecond = br.ReadInt32();
blockAlign = br.ReadInt16();
bitsPerSample = br.ReadInt16();
if (formatChunkLength > 16)
{
extraSize = br.ReadInt16();
if (extraSize > formatChunkLength - 18)
{
Debug.WriteLine("Format chunk mismatch");
extraSize = (short) (formatChunkLength - 18);
}
}
}
private void ReadWaveFormat(BinaryReader br, int formatChunkLength)
{
if (formatChunkLength < 16)
throw new InvalidDataException("Invalid WaveFormat Structure");
this.waveFormatTag = (WaveFormatEncoding)br.ReadUInt16();
this.channels = br.ReadInt16();
this.sampleRate = br.ReadInt32();
this.averageBytesPerSecond = br.ReadInt32();
this.blockAlign = br.ReadInt16();
this.bitsPerSample = br.ReadInt16();
if (formatChunkLength > 16)
{
this.extraSize = br.ReadInt16();
if (this.extraSize != formatChunkLength - 18)
{
Debug.WriteLine("Format chunk mismatch");
this.extraSize = (short)(formatChunkLength - 18);
}
}
}
protected override bool LoadAudioFile(string audioFile, DirectSound directSound)
{
try
{
// Open the wave file in binary.
var reader = new BinaryReader(File.OpenRead(SystemConfiguration.DataFilePath + audioFile));
// Read in the wave file header.
chunkId = new string(reader.ReadChars(4));
chunkSize = reader.ReadInt32();
format = new string(reader.ReadChars(4));
subChunkId = new string(reader.ReadChars(4));
subChunkSize = reader.ReadInt32();
audioFormat = (WaveFormatEncoding )reader.ReadInt16();
numChannels = reader.ReadInt16();
sampleRate = reader.ReadInt32();
bytesPerSecond = reader.ReadInt32();
blockAlign = reader.ReadInt16();
bitsPerSample = reader.ReadInt16();
dataChunkId = new string(reader.ReadChars(4));
dataSize = reader.ReadInt32();
// Check that the chunk ID is the RIFF format
// and the file format is the WAVE format
// and sub chunk ID is the fmt format
// and the audio format is PCM
// and the wave file was recorded in stereo format
// and at a sample rate of 44.1 KHz
// and at 16 bit format
// and there is the data chunk header.
// Otherwise return false.
if (chunkId != "RIFF" || format != "WAVE" || subChunkId.Trim() != "fmt" || audioFormat != WaveFormatEncoding.Pcm || numChannels != 2 || sampleRate != 44100 || bitsPerSample != 16 || dataChunkId != "data")
return false;
// Set the buffer description of the secondary sound buffer that the wave file will be loaded onto and the wave format.
var buffer = new SoundBufferDescription();
buffer.Flags = BufferFlags.ControlVolume;
buffer.BufferBytes = dataSize;
buffer.Format = new WaveFormat(44100, 16, 2);
buffer.AlgorithmFor3D = Guid.Empty;
// Create a temporary sound buffer with the specific buffer settings.
_SecondaryBuffer = new SecondarySoundBuffer(directSound, buffer);
// Read in the wave file data into the temporary buffer.
var waveData = reader.ReadBytes(dataSize);
// Close the reader
reader.Close();
// Lock the secondary buffer to write wave data into it.
DataStream waveBufferData2;
var waveBufferData1 = _SecondaryBuffer.Lock(0, dataSize, LockFlags.None, out waveBufferData2);
// Copy the wave data into the buffer.
waveBufferData1.Write(waveData, 0, dataSize);
// Unlock the secondary buffer after the data has been written to it.
var result = _SecondaryBuffer.Unlock(waveBufferData1, waveBufferData2);
if (result != Result.Ok)
return false;
}
catch
{
return false;
}
return true;
}
internal void __MarshalFrom(ref WaveFormat.__PcmNative @ref)
{
this.waveFormatTag = @ref.waveFormatTag;
this.channels = @ref.channels;
this.sampleRate = @ref.sampleRate;
this.averageBytesPerSecond = @ref.averageBytesPerSecond;
this.blockAlign = @ref.blockAlign;
this.bitsPerSample = @ref.bitsPerSample;
this.extraSize = (short) 0;
}
/// <summary>
/// Creates a WaveFormat with custom members
/// </summary>
/// <param name="tag">The encoding</param>
/// <param name="sampleRate">Sample Rate</param>
/// <param name="channels">Number of channels</param>
/// <param name="averageBytesPerSecond">Average Bytes Per Second</param>
/// <param name="blockAlign">Block Align</param>
/// <param name="bitsPerSample">Bits Per Sample</param>
/// <returns></returns>
public static WaveFormat CreateCustomFormat(WaveFormatEncoding tag, int sampleRate, int channels, int averageBytesPerSecond, int blockAlign, int bitsPerSample)
{
var waveFormat = new WaveFormat
{
waveFormatTag = tag,
channels = (short) channels,
sampleRate = sampleRate,
averageBytesPerSecond = averageBytesPerSecond,
blockAlign = (short) blockAlign,
bitsPerSample = (short) bitsPerSample,
extraSize = 0
};
return waveFormat;
}
public static float[][] BytesToFloatSamples(byte[] bytes, int bytesRecorded, int bytesPerSample, WaveFormatEncoding encoding, int channelCount)
{
try
{
if (bytes == null || bytes.Length <= 0)
return null;
int sampleCnt = (bytesRecorded / bytesPerSample) / channelCount;
int offset = 0;
int sampleNum = 0;
List<float[]> samples = new List<float[]>();
for (int i = 0; i < channelCount; i++)
{
samples.Add(new float[sampleCnt]);
}
while (offset < bytes.Length)
{
for (int iChannel = 0; iChannel < channelCount; iChannel++)
{
switch (bytesPerSample)
{
case 2:
{
samples[iChannel][sampleNum] = BitConverter.ToInt16(bytes, offset) / 32768f;
offset += 2;
break;
}
case 3:
{
samples[iChannel][sampleNum] = (((sbyte)bytes[offset + 2] << 16) | (bytes[offset + 1] << 8) | bytes[offset]) / 8388608f;
offset += 3;
break;
}
case 4:
{
if (encoding == WaveFormatEncoding.IeeeFloat)
{
samples[iChannel][sampleNum] = BitConverter.ToSingle(bytes, offset);
}
else
{
samples[iChannel][sampleNum] = BitConverter.ToInt32(bytes, offset) / (Int32.MaxValue + 1f);
}
offset += 4;
break;
}
default:
{
offset += bytesPerSample;
break;
}
}
}
sampleNum++;
}
return samples.ToArray();
}
catch { return null; }
}
public static byte[][] BytesToSampleBytes(byte[] bytes, int bytesRecorded, int bytesPerSample, WaveFormatEncoding encoding, int channelCount)
{
try
{
if (bytes == null || bytes.Length <= 0)
return null;
int sampleCnt = (bytesRecorded / bytesPerSample) / channelCount;
int offset = 0;
int sampleNum = 0;
List<byte[]> samples = new List<byte[]>();
for (int i = 0; i < channelCount; i++)
{
samples.Add(new byte[sampleCnt * bytesPerSample]);
}
while (offset < bytes.Length)
{
for (int iChannel = 0; iChannel < channelCount; iChannel++)
{
switch (bytesPerSample)
{
case 2:
{
samples[iChannel][sampleNum * 2] = bytes[offset];
samples[iChannel][(sampleNum * 2) + 1] = bytes[offset + 1];
offset += 2;
break;
}
case 3:
{
samples[iChannel][sampleNum * 3] = bytes[offset];
samples[iChannel][(sampleNum * 3) + 1] = bytes[offset + 1];
samples[iChannel][(sampleNum * 3) + 2] = bytes[offset + 2];
offset += 3;
break;
}
case 4:
{
samples[iChannel][sampleNum * 4] = bytes[offset];
samples[iChannel][(sampleNum * 4) + 1] = bytes[offset + 1];
samples[iChannel][(sampleNum * 4) + 2] = bytes[offset + 2];
samples[iChannel][(sampleNum * 4) + 3] = bytes[offset + 3];
offset += 4;
break;
}
default:
{
offset += bytesPerSample;
break;
}
}
}
sampleNum++;
}
return samples.ToArray();
}
catch { return null; }
}
public static float[] BytesToFloatSamples(byte[] bytes, int bytesRecorded, int bytesPerSample, WaveFormatEncoding encoding)
{
if (bytes == null || bytes.Length <= 0)
return null;
float[][] samples=BytesToFloatSamples(bytes, bytesRecorded,bytesPerSample,encoding,1);
if (samples != null && samples.Length > 0)
return samples[0];
else
return null;
}
public uint[] GetSeekTable(uint index, out WaveFormatEncoding tag)
{
if (index >= bankData.EntryCount)
throw new ArgumentOutOfRangeException("index");
tag = 0;
var minFormat = GetMiniWaveFormat(index);
var seekTable = FindSeekTable(index);
switch (minFormat.FormatTag)
{
case MiniWaveFormat.Tag.WMA: // xWMA is supported by XAudio 2.7 and by Xbox One
tag = (minFormat.BitsPerSample & 0x1) > 0 ? WaveFormatEncoding.Wmaudio3 : WaveFormatEncoding.Wmaudio2;
break;
case MiniWaveFormat.Tag.XMA:
tag = (WaveFormatEncoding)0x166 /* WAVE_FORMAT_XMA2 */;
break;
default:
return null;
}
return null;
}
/// <summary>
/// Creates a new PCM format with the specified sample rate, bit depth and channels
/// </summary>
public WaveFormat(int rate, int bits, int channels)
{
if (channels < 1)
{
throw new ArgumentOutOfRangeException("channels", "Channels must be 1 or greater");
}
// minimum 16 bytes, sometimes 18 for PCM
waveFormatTag = bits < 32 ? WaveFormatEncoding.Pcm : WaveFormatEncoding.IeeeFloat;
this.channels = (short)channels;
sampleRate = rate;
bitsPerSample = (short)bits;
extraSize = 0;
blockAlign = (short)(channels * (bits / 8));
averageBytesPerSecond = sampleRate * blockAlign;
}