/// <summary>
/// Creates a MediaType based on a given WaveFormat. Don't forget to call Free() for the returend MediaType.
/// </summary>
/// <param name="waveFormat">WaveFormat to create a MediaType from.</param>
/// <returns>Dmo MediaType</returns>
public static MediaType FromWaveFormat(WaveFormat waveFormat)
{
if (waveFormat == null)
{
throw new ArgumentNullException("waveFormat");
}
MediaType mediaType = new MediaType();
NativeMethods.MoInitMediaType(ref mediaType, Marshal.SizeOf(waveFormat));
mediaType.MajorType = MediaTypes.MediaTypeAudio;
mediaType.SubType = WaveFormatExtensible.SubTypeFromWaveFormat(waveFormat);
mediaType.FixedSizeSamples = (mediaType.SubType == MediaTypes.MEDIATYPE_IeeeFloat || mediaType.SubType == MediaTypes.MEDIATYPE_Pcm) ? 1 : 0;
mediaType.FormatType = FORMAT_WaveFormatEx;
IntPtr hWaveFormat = Marshal.AllocHGlobal(Marshal.SizeOf(waveFormat));
Marshal.StructureToPtr(waveFormat, hWaveFormat, false);
if (hWaveFormat == IntPtr.Zero)
{
throw new InvalidOperationException("hWaveFormat == IntPtr.Zero");
}
if (mediaType.CbFormat < Marshal.SizeOf(waveFormat))
{
throw new InvalidOperationException("No memory for Format reserved");
}
mediaType.PtrFormat = hWaveFormat;
return(mediaType);
}
/// <summary>
/// Determines whether if the specified output format is supported
/// </summary>
/// <param name="shareMode">The share mode.</param>
/// <param name="desiredFormat">The desired format.</param>
/// <returns>
/// <c>true</c> if [is format supported] [the specified share mode]; otherwise, <c>false</c>.
/// </returns>
public bool IsFormatSupported(AudioClientShareMode shareMode,
WaveFormatExtensible desiredFormat)
{
WaveFormatExtensible closestMatchFormat;
return(IsFormatSupported(shareMode, desiredFormat, out closestMatchFormat));
}
/// <summary>
/// Determines if the specified output format is supported in shared mode
/// </summary>
/// <param name="shareMode">Share Mode</param>
/// <param name="desiredFormat">Desired Format</param>
/// <param name="closestMatchFormat">Output The closest match format.</param>
/// <returns>
/// <c>true</c> if [is format supported] [the specified share mode]; otherwise, <c>false</c>.
/// </returns>
public bool IsFormatSupported(AudioClientShareMode shareMode, WaveFormat desiredFormat,
out WaveFormatExtensible closestMatchFormat)
{
int hresult = audioClientInterface.IsFormatSupported(shareMode, desiredFormat, out closestMatchFormat);
// S_OK is 0, S_FALSE = 1
if (hresult == 0)
{
// directly supported
return(true);
}
if (hresult == 1)
{
return(false);
}
else if (hresult == (int)AudioClientErrors.UnsupportedFormat)
{
return(false);
}
else
{
Marshal.ThrowExceptionForHR(hresult);
}
// shouldn't get here
throw new NotSupportedException("Unknown hresult " + hresult.ToString());
}
/// <summary>
/// Gets the waveformat of this stream
/// </summary>
/// <returns>A waveformat (or null if this is not an audio stream)</returns>
public WaveFormat GetWaveFormat()
{
var props = (IWMMediaProps)streamConfig;
int size = Math.Max(512, Marshal.SizeOf(typeof(WM_MEDIA_TYPE)) + Marshal.SizeOf(typeof(WaveFormat)));
IntPtr buffer = Marshal.AllocCoTaskMem(size);
try
{
props.GetMediaType(buffer, ref size);
var mt = (WM_MEDIA_TYPE)Marshal.PtrToStructure(buffer, typeof(WM_MEDIA_TYPE));
if ((mt.majortype == MediaTypes.WMMEDIATYPE_Audio) &&
// n.b. subtype may not be PCM, but some variation of WM Audio
(mt.formattype == MediaTypes.WMFORMAT_WaveFormatEx))
{
var fmt = new WaveFormatExtensible(44100, 16, 2);
Marshal.PtrToStructure(mt.pbFormat, fmt);
return(fmt);
}
return(null);
}
finally
{
Marshal.FreeCoTaskMem(buffer);
}
}
public void CanRequestIfFormatIsSupportedExtensible44100ExclusiveMode()
{
WaveFormatExtensible desiredFormat = new WaveFormatExtensible(44100, 32, 2);
Debug.WriteLine(desiredFormat);
GetAudioClient().IsFormatSupported(AudioClientShareMode.Exclusive, desiredFormat);
}
public void CanRequestIfFormatIsSupportedExtensible44100SharedMode()
{
WaveFormatExtensible desiredFormat = new WaveFormatExtensible(44100, 32, 2);
Console.Write(desiredFormat);
GetAudioClient().IsFormatSupported(AudioClientShareMode.Shared, desiredFormat);
}
public static MediaType MediaTypeFromWaveFormat(WaveFormatExtensible waveFormat)
{
var mediaType = new MediaType();
MediaFactory.MFInitMediaTypeFromWaveFormatEx(mediaType, waveFormat, Marshal.SizeOf(waveFormat));
return(mediaType);
}
/// <summary>
/// Initializes the sound library for playback.
/// </summary>
/// <param name="root">The root directory of the sounds.</param>
public static void initialize(String root)
{
setRootDirectory(root);
SoundPath = "s";
NSoundPath = SoundPath + "\\n";
NumPath = NSoundPath + "\\ns";
mainSoundDevice = new XAudio2();
mainMasteringVoice = new MasteringVoice(mainSoundDevice);
if (mainSoundDevice.Version == XAudio2Version.Version27)
{
WaveFormatExtensible deviceFormat = mainSoundDevice.GetDeviceDetails(0).OutputFormat;
x3DAudio = new X3DAudio(deviceFormat.ChannelMask);
}
else
{
x3DAudio = new X3DAudio((Speakers)mainMasteringVoice.ChannelMask);
}
musicDevice = new XAudio2();
musicMasteringVoice = new MasteringVoice(musicDevice);
alwaysLoudDevice = new XAudio2();
alwaysLoudMasteringVoice = new MasteringVoice(alwaysLoudDevice);
cutScenesDevice = new XAudio2();
cutScenesMasteringVoice = new MasteringVoice(cutScenesDevice);
//get the listener:
setListener();
}
public Sound LoadOgg(string fileName)
{
var stream = new OggVorbisFileStream(fileName);
VorbisInfo vInfo = stream.Info;
WaveFormatExtensible wfe = new WaveFormatExtensible
{
// cbSize
BitsPerSample = 16,
Channels = (short)vInfo.Channels,
SamplesPerSecond = vInfo.Rate, // ogg vorbis always uses 16 bits
AverageBytesPerSecond = vInfo.Rate * vInfo.Channels * 2,
BlockAlignment = (short)(2 * vInfo.Channels),
FormatTag = WaveFormatTag.Pcm
};
AudioBuffer buffer = new AudioBuffer();
buffer.AudioData = stream;
buffer.AudioBytes = (int)stream.Length;
buffer.Flags = BufferFlags.EndOfStream;
return(new Sound {
Buffer = buffer, Stream = stream, Format = wfe, Program = this
});
}
/// <summary>
/// Indicates whether the audio endpoint device
/// supports a particular stream format.
/// </summary>
/// <param name="shareMode">
/// The sharing mode for the stream format. Through this parameter, the client indicates whether it
/// wants to use the specified format in exclusive mode or shared mode.
/// </param>
/// <param name="waveFormat">The stream format to test whether it is supported by the <see cref="AudioClient" /> or not.</param>
/// <returns>
/// <c>True</c> if the <paramref name="waveFormat" /> is supported. <c>False</c> if the
/// <paramref name="waveFormat" /> is not supported.
/// </returns>
/// <remarks>
/// For more information, see
/// <see href="https://msdn.microsoft.com/en-us/library/windows/desktop/dd370876(v=vs.85).aspx" />.
/// </remarks>
public bool IsFormatSupported(AudioClientShareMode shareMode, WaveFormat waveFormat)
{
WaveFormat tmp;
bool result = IsFormatSupported(shareMode, waveFormat, out tmp);
if (result)
{
return(true);
}
WaveFormatExtensible waveFormatExtensible = waveFormat as WaveFormatExtensible;
if (shareMode == AudioClientShareMode.Exclusive && waveFormatExtensible != null &&
waveFormatExtensible.Channels <= 2)
{
/*see https://msdn.microsoft.com/en-us/library/windows/desktop/dd370811(v=vs.85).aspx
* To obtain reliable results from these drivers, exclusive-mode applications should call
* IsFormatSupported twice for each 1-channel or 2-channel PCM format—one call should use
* a stand-alone WAVEFORMATEX structure to specify the format, and the other call should
* use a WAVEFORMATEXTENSIBLE structure to specify the same format.
*/
var encoding = AudioSubTypes.EncodingFromSubType(waveFormatExtensible.SubFormat);
WaveFormat waveFormat0 = new WaveFormat(
waveFormatExtensible.SampleRate,
waveFormatExtensible.BitsPerSample,
waveFormatExtensible.Channels,
encoding);
result = IsFormatSupported(shareMode, waveFormat0, out tmp);
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="DmoChannelResampler"/> class.
/// </summary>
/// <param name="source">Underlying source which has to get resampled.</param>
/// <param name="channelMatrix"><see cref="ChannelMatrix" /> which defines how to map each channel.</param>
/// <param name="outputFormat">Waveformat, which specifies the new format. Note, that by far not all formats are supported.</param>
/// <exception cref="System.ArgumentNullException">
/// source
/// or
/// channelMatrix
/// or
/// outputFormat
/// </exception>
/// <exception cref="System.ArgumentException">The number of channels of the source has to be equal to the number of input channels specified by the channelMatrix.</exception>
public DmoChannelResampler(IWaveSource source, ChannelMatrix channelMatrix, WaveFormat outputFormat)
: base(source, outputFormat)
{
if (source == null)
throw new ArgumentNullException("source");
if (channelMatrix == null)
throw new ArgumentNullException("channelMatrix");
if(outputFormat == null)
throw new ArgumentNullException("outputFormat");
if (source.WaveFormat.Channels != channelMatrix.InputChannelCount)
{
throw new ArgumentException(
"The number of channels of the source has to be equal to the number of input channels specified by the channelMatrix.");
}
var inputFormat = new WaveFormatExtensible(
source.WaveFormat.SampleRate,
source.WaveFormat.BitsPerSample,
source.WaveFormat.Channels,
WaveFormatExtensible.SubTypeFromWaveFormat(source.WaveFormat),
channelMatrix.InputMask);
Outputformat = new WaveFormatExtensible(
outputFormat.SampleRate,
outputFormat.BitsPerSample,
outputFormat.Channels,
WaveFormatExtensible.SubTypeFromWaveFormat(outputFormat),
channelMatrix.OutputMask);
Initialize(inputFormat, Outputformat);
_channelMatrix = channelMatrix;
CommitChannelMatrixChanges();
}
public void CanRequestIfFormatIsSupportedExtensible48000_16bit()
{
WaveFormatExtensible desiredFormat = new WaveFormatExtensible(48000, 16, 2);
Debug.WriteLine(desiredFormat);
GetAudioClient().IsFormatSupported(AudioClientShareMode.Shared, desiredFormat);
}
public DmoChannelResampler(IWaveSource source, ChannelMatrix channelMatrix, int destSampleRate)
: base(source, destSampleRate)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (channelMatrix == null)
{
throw new ArgumentNullException("channelMatrix");
}
if (source.WaveFormat.Channels != channelMatrix.InputChannelCount)
{
throw new ArgumentException("source.WaveFormat.Channels != channelMatrix.InputChannelCount");
}
WaveFormatExtensible inputformat = new WaveFormatExtensible(source.WaveFormat.SampleRate, source.WaveFormat.BitsPerSample,
source.WaveFormat.Channels, WaveFormatExtensible.SubTypeFromWaveFormat(source.WaveFormat), _channelMatrix.InputMask);
_outputformat = new WaveFormat(destSampleRate, source.WaveFormat.BitsPerSample, 6, source.WaveFormat.WaveFormatTag, source.WaveFormat.ExtraSize);
WaveFormatExtensible outputformat = new WaveFormatExtensible(_outputformat.SampleRate, _outputformat.BitsPerSample,
_outputformat.Channels, WaveFormatExtensible.SubTypeFromWaveFormat(_outputformat), _channelMatrix.OutputMask);
Init(inputformat, outputformat);
_resampler.ResamplerProps.SetUserChannelMtx(_channelMatrix.GetMatrix());
}
public static AudioSampleFormat GetSampleFormat(WaveFormatExtensible format)
{
if (format.nSamplesPerSec == 0)
{
return(AudioSampleFormat.Unknown);
}
switch (format.wFormatTag)
{
case WAVE_FORMAT_IEEE_FLOAT:
switch (format.wBitsPerSample)
{
case 32: return(AudioSampleFormat.Float);
case 64: return(AudioSampleFormat.Double);
}
break;
case WAVE_FORMAT_PCM:
switch (format.wBitsPerSample)
{
case 8: return(AudioSampleFormat.Pcm8);
case 16: return(AudioSampleFormat.Pcm16);
case 24: return(AudioSampleFormat.Pcm24);
case 32: return(AudioSampleFormat.Pcm32);
}
break;
case WAVE_FORMAT_EXTENSIBLE:
if (format.SubFormat == MediaSubType.IEEE_FLOAT)
{
switch (format.wBitsPerSample)
{
case 32: return(AudioSampleFormat.Float);
case 64: return(AudioSampleFormat.Double);
}
}
else if (format.SubFormat == MediaSubType.PCM)
{
switch (format.wBitsPerSample)
{
case 8: return(AudioSampleFormat.Pcm8);
case 16: return(AudioSampleFormat.Pcm16);
case 24: return(AudioSampleFormat.Pcm24);
case 32: return(AudioSampleFormat.Pcm32);
}
}
break;
}
return(AudioSampleFormat.Unknown);
}
public WaveOut(
int deviceID,
short channels,
int samplesPerSecond,
SPEAKER channelMask,
Guid formatSubType,
ILoggerFactory loggerFactory,
ElapsedTimeCounter counter,
ITargetBlock <PcmBuffer <T> > releaseQueue
)
{
_loggerFactory = loggerFactory ?? throw new ArgumentNullException(nameof(loggerFactory));
_counter = counter ?? throw new ArgumentNullException(nameof(counter));
ArgumentNullException.ThrowIfNull(releaseQueue);
_logger = _loggerFactory.CreateLogger <WaveOut <T> >();
_headerPool = new BufferPool <WaveHeaderBuffer>(1, () => { return(new WaveHeaderBuffer()); }, _loggerFactory);
_driverCallBack = new PinnedDelegate <DriverCallBack.Proc>(new DriverCallBack.Proc(DriverCallBackProc));
var format = new WaveFormatExtensible();
format.wfe.formatType = WaveFormatEx.FORMAT.EXTENSIBLE;
format.wfe.channels = (ushort)channels;
format.wfe.samplesPerSecond = (uint)samplesPerSecond;
format.wfe.bitsPerSample = (ushort)(SIZE_OF_T * 8);
format.wfe.blockAlign = (ushort)(format.wfe.channels * format.wfe.bitsPerSample / 8);
format.wfe.averageBytesPerSecond = format.wfe.samplesPerSecond * format.wfe.blockAlign;
format.wfe.size = (ushort)(Marshal.SizeOf <WaveFormatExtensiblePart>());
format.exp.validBitsPerSample = format.wfe.bitsPerSample;
format.exp.channelMask = ToSPEAKER(channelMask);
format.exp.subFormat = formatSubType;
//たまに失敗するので、ピン止めしておく
using var formatPin = new PinnedBuffer <WaveFormatExtensible>(format);
var mmResult =
NativeMethods.waveOutOpen(
out _handle,
deviceID,
ref format,
_driverCallBack.FunctionPointer,
IntPtr.Zero,
(
DriverCallBack.TYPE.FUNCTION
| DriverCallBack.TYPE.WAVE_FORMAT_DIRECT
)
);
if (mmResult != MMRESULT.NOERROR)
{
throw new WaveException(mmResult);
}
_releaseAction = new TransformBlock <IntPtr, PcmBuffer <T> >(headerPtr => Unprepare(headerPtr));
_releaseAction.LinkTo(releaseQueue);
}
private WaveFormat SetupWaveFormat(WaveFormat waveFormat, AudioClient audioClient)
{
WaveFormatExtensible closestMatch;
WaveFormat finalFormat = waveFormat;
if (!audioClient.IsFormatSupported(_shareMode, waveFormat, out closestMatch))
{
if (closestMatch == null)
{
WaveFormat mixformat = audioClient.GetMixFormat();
if (mixformat == null || !audioClient.IsFormatSupported(_shareMode, mixformat))
{
WaveFormatExtensible[] possibleFormats = new WaveFormatExtensible[]
{
new WaveFormatExtensible(waveFormat.SampleRate, 32, waveFormat.Channels, DMO.MediaTypes.MEDIATYPE_IeeeFloat),
new WaveFormatExtensible(waveFormat.SampleRate, 24, waveFormat.Channels, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 16, waveFormat.Channels, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 8, waveFormat.Channels, DMO.MediaTypes.MEDIATYPE_Pcm)
};
if (!CheckForSupportedFormat(audioClient, possibleFormats, out mixformat))
{
//no format found...
possibleFormats = new WaveFormatExtensible[]
{
new WaveFormatExtensible(waveFormat.SampleRate, 32, 2, DMO.MediaTypes.MEDIATYPE_IeeeFloat),
new WaveFormatExtensible(waveFormat.SampleRate, 24, 2, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 16, 2, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 8, 2, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 32, 1, DMO.MediaTypes.MEDIATYPE_IeeeFloat),
new WaveFormatExtensible(waveFormat.SampleRate, 24, 1, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 16, 1, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 8, 1, DMO.MediaTypes.MEDIATYPE_Pcm)
};
if (CheckForSupportedFormat(audioClient, possibleFormats, out mixformat))
{
throw new NotSupportedException("Could not find a supported format.");
}
}
}
finalFormat = mixformat;
//todo: implement channel matrix
DmoResampler resampler = new DmoResampler(_source, finalFormat);
resampler.Quality = 60;
_source = resampler;
_createdResampler = true;
}
else
{
finalFormat = closestMatch;
}
}
return(finalFormat);
}
/// <summary>
/// Pans a sound.
/// This method was initially written using the guide at https://docs.microsoft.com/en-us/windows/win32/xaudio2/how-to--pan-a-sound
/// The code has finally been improved thanks to the MonoGame framework code: https://github.com/MonoGame/MonoGame
/// </summary>
/// <param name="sound">The sound to pan.</param>
/// <param name="pan">The value by which to pan the sound. -1.0f is completely left, and 1.0f is completely right. 0.0f is center.</param>
public static void setPan(ExtendedAudioBuffer sound, float pan)
{
SpeakerConfiguration mask;
if (mainSoundDevice.Version == XAudio2Version.Version27)
{
WaveFormatExtensible deviceFormat = mainSoundDevice.GetDeviceDetails(0).OutputFormat;
mask = (SpeakerConfiguration)deviceFormat.ChannelMask;
}
else
{
mask = (SpeakerConfiguration)mainMasteringVoice.ChannelMask;
}
VoiceDetails soundDetails = sound.getVoiceDetails();
VoiceDetails masteringDetails = mainMasteringVoice.VoiceDetails;
int srcChannelCount = soundDetails.InputChannelCount;
int dstChannelCount = masteringDetails.InputChannelCount;
// Create an array to hold the output matrix. Warning : the minimum size of the output matrix is the number of channels in the source voice times the number of channels in the output voice.
// Note that the outputMatrix indices are placed in the same order as the SharpDX.Multimedia.Speakers enum.
// Don't forget there are two times more cells in the matrix if the source sound is stereo)
float[] outputMatrix = new float[srcChannelCount * dstChannelCount];
Array.Clear(outputMatrix, 0, outputMatrix.Length);
// From there, we'll hope that the sound file is either mono or stereo. If the WAV had more than 2 channels, it would be to difficult to handle.
// Similarly, we'll also only output to the front-left and front-right speakers for simplicity, e.g. like the XNA framework does.
if (srcChannelCount == 1) // Mono source
{
// Left/Right output levels:
// Pan -1.0: L = 1.0, R = 0.0
// Pan 0.0: L = 1.0, R = 1.0
// Pan +1.0: L = 0.0, R = 1.0
outputMatrix[0] = (pan > 0f) ? ((1f - pan)) : 1f; // Front-left output
outputMatrix[1] = (pan < 0f) ? ((1f + pan)) : 1f; // Front-right output
}
else if (srcChannelCount == 2) // Stereo source
{
// Left/Right input (Li/Ri) mix for Left/Right outputs (Lo/Ro):
// Pan -1.0: Lo = 0.5Li + 0.5Ri, Ro = 0.0Li + 0.0Ri
// Pan 0.0: Lo = 1.0Li + 0.0Ri, Ro = 0.0Li + 1.0Ri
// Pan +1.0: Lo = 0.0Li + 0.0Ri, Ro = 0.5Li + 0.5Ri
if (pan <= 0f)
{
outputMatrix[0] = 1f + pan * 0.5f; // Front-left output, Left input
outputMatrix[1] = -pan * 0.5f; // Front-left output, Right input
outputMatrix[2] = 0f; // Front-right output, Left input
outputMatrix[3] = 1f + pan; // Front-right output, Right input
}
else
{
outputMatrix[0] = 1f - pan; // Front-left output, Left input
outputMatrix[1] = 0f; // Front-left output, Right input
outputMatrix[2] = pan * 0.5f; // Front-right output, Left input
outputMatrix[3] = 1f - pan * 0.5f; // Front-right output, Right input
}
}
sound.setOutputMatrix(soundDetails.InputChannelCount, masteringDetails.InputChannelCount, outputMatrix);
}
internal static extern MMRESULT waveOutOpen(
[Out] out WaveOut phwo,
[In] int uDeviceID,
[In] ref WaveFormatExtensible pwfx,
//[In][MarshalAs(UnmanagedType.FunctionPtr)]DriverCallBack.Delegate dwCallback,
[In] IntPtr /*DriverCallBack.Delegate*/ dwCallback,
[In] IntPtr dwInstance,
[In] DriverCallBack.TYPE fdwOpen
);
public void WaveFormatExtensible_Size_Is_Correct()
{
var ext = new WaveFormatExtensible(SampleRate.R44100, BitDepth.B16, SpeakerConfiguration.Stereo);
Assert.Equal(22, ext.ExtraSize);
Assert.Equal(44100, ext.SampleRate);
Assert.Equal(16, ext.BitsPerSample);
Assert.Equal(2, ext.Channels);
}
public X3DAudioEngine()
{
_xaudio2 = new XAudio2();
_masteringVoice = new MasteringVoice(_xaudio2);
_deviceFormat = _xaudio2.GetDeviceDetails(0).OutputFormat;
_x3dAudio = new X3DAudio(_deviceFormat.ChannelMask);
Position = new Vector3D(0, 0, 0);
Rotation = System.Windows.Media.Media3D.Quaternion.Identity;
}
/// <summary>
/// Callback which handles setting up an MSS once the first MpegFrame after Id3v2 data has been read.
/// </summary>
/// <param name="mpegLayer3Frame"> First MpegFrame</param>
/// <param name="mediaStreamAttributes">Empty dictionary for MediaStreamAttributes</param>
/// <param name="mediaStreamDescriptions">Empty dictionary for MediaStreamDescriptions</param>
/// <param name="mediaSourceAttributes">Empty dictionary for MediaSourceAttributes</param>
private void ReadPastId3v2TagsCallback(
MpegFrame mpegLayer3Frame,
Dictionary <MediaStreamAttributeKeys, string> mediaStreamAttributes,
List <MediaStreamDescription> mediaStreamDescriptions,
Dictionary <MediaSourceAttributesKeys, string> mediaSourceAttributes)
{
if (mpegLayer3Frame.FrameSize <= 0)
{
throw new InvalidOperationException("MpegFrame's FrameSize cannot be negative");
}
// Initialize the Mp3 data structures used by the Media pipeline with state from the first frame.
WaveFormatExtensible wfx = new WaveFormatExtensible();
this.MpegLayer3WaveFormat = new MpegLayer3WaveFormat();
this.MpegLayer3WaveFormat.WaveFormatExtensible = wfx;
this.MpegLayer3WaveFormat.WaveFormatExtensible.FormatTag = 85;
this.MpegLayer3WaveFormat.WaveFormatExtensible.Channels = (short)((mpegLayer3Frame.Channels == Channel.SingleChannel) ? 1 : 2);
this.MpegLayer3WaveFormat.WaveFormatExtensible.SamplesPerSec = mpegLayer3Frame.SamplingRate;
this.MpegLayer3WaveFormat.WaveFormatExtensible.AverageBytesPerSecond = mpegLayer3Frame.Bitrate / 8;
this.MpegLayer3WaveFormat.WaveFormatExtensible.BlockAlign = 1;
this.MpegLayer3WaveFormat.WaveFormatExtensible.BitsPerSample = 0;
this.MpegLayer3WaveFormat.WaveFormatExtensible.ExtraDataSize = 12;
this.MpegLayer3WaveFormat.Id = 1;
this.MpegLayer3WaveFormat.BitratePaddingMode = 0;
this.MpegLayer3WaveFormat.FramesPerBlock = 1;
this.MpegLayer3WaveFormat.BlockSize = (short)mpegLayer3Frame.FrameSize;
this.MpegLayer3WaveFormat.CodecDelay = 0;
mediaStreamAttributes[MediaStreamAttributeKeys.CodecPrivateData] = this.MpegLayer3WaveFormat.ToHexString();
this.audioStreamDescription = new MediaStreamDescription(MediaStreamType.Audio, mediaStreamAttributes);
mediaStreamDescriptions.Add(this.audioStreamDescription);
this.trackDuration = new TimeSpan(0, 0, (int)(this.audioStreamLength / MpegLayer3WaveFormat.WaveFormatExtensible.AverageBytesPerSecond));
mediaSourceAttributes[MediaSourceAttributesKeys.Duration] = this.trackDuration.Ticks.ToString(CultureInfo.InvariantCulture);
if (this.audioStream.CanSeek)
{
mediaSourceAttributes[MediaSourceAttributesKeys.CanSeek] = "1";
}
else
{
mediaSourceAttributes[MediaSourceAttributesKeys.CanSeek] = "0";
}
// Report that the Mp3MediaStreamSource has finished initializing its internal state and can now
// pass in Mp3 Samples.
this.ReportOpenMediaCompleted(mediaSourceAttributes, mediaStreamDescriptions);
this.currentFrame = mpegLayer3Frame;
this.currentFrameStartPosition = MpegFrame.FrameHeaderSize;
}
public void SetupTests()
{
this.wfx = new WaveFormatExtensible();
this.wfx.FormatTag = 85;
this.wfx.Channels = 2;
this.wfx.SamplesPerSec = 8000;
this.wfx.AverageBytesPerSecond = 500;
this.wfx.BlockAlign = 1;
this.wfx.BitsPerSample = 16;
this.wfx.ExtraDataSize = 12;
this.mp3wfx = new MpegLayer3WaveFormat();
}
public AudioOutput(WaveFormatExtensible format, IMediaSample mediaSample)
{
if (format == null)
{
throw new ArgumentNullException("format");
}
if (mediaSample == null)
{
throw new ArgumentNullException("mediaSample");
}
MediaSample = mediaSample;
Format = format;
}
internal WaveFormat BuildOutputWaveFormat(IAudioSource audioSource)
{
if (audioSource == null)
{
throw new ArgumentNullException("source");
}
return(new WaveFormatExtensible(
audioSource.WaveFormat.SampleRate,
audioSource.WaveFormat.BitsPerSample,
OutputChannelCount,
WaveFormatExtensible.SubTypeFromWaveFormat(audioSource.WaveFormat),
OutputMask));
}
internal unsafe void __MarshalFrom(ref DeviceDetails.__Native @ref)
{
fixed(char *ptr = & @ref.DeviceID)
{
this.DeviceID = Utilities.PtrToStringUni((IntPtr)((void *)ptr), 256);
}
fixed(char *ptr2 = & @ref.DisplayName)
{
this.DisplayName = Utilities.PtrToStringUni((IntPtr)((void *)ptr2), 256);
}
this.Role = @ref.Role;
this.OutputFormat = new WaveFormatExtensible();
this.OutputFormat.__MarshalFrom(ref @ref.OutputFormat);
}
private static WaveFormat GetOutputWaveFormat(IWaveSource source, int sampleRate, ChannelMatrix channelMatrix)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (channelMatrix == null)
{
throw new ArgumentNullException("channelMatrix");
}
return(new WaveFormatExtensible(
sampleRate,
source.WaveFormat.BitsPerSample,
channelMatrix.OutputChannelCount,
WaveFormatExtensible.SubTypeFromWaveFormat(source.WaveFormat),
channelMatrix.OutputMask));
}
public override void Setup(WaveFormatEx format)
{
_format = new WaveFormatExtensible(format.nSamplesPerSec, format.wBitsPerSample, format.nChannels);
_voice = new SourceVoice(_xaudio2, _format);
_voice.StreamEnd += _voice_StreamEnd;
_voice.VoiceError += _voice_VoiceError;
_emitter = new Emitter
{
ChannelAzimuths = GetAzimuths(_format.Channels),
ChannelCount = _format.Channels,
ChannelRadius = 10,
CurveDistanceScaler = float.MinValue,
OrientFront = new Vector3(0, 0, 1),
OrientTop = new Vector3(0, 1, 0),
Position = new Vector3(0, 0, 0),
Velocity = new Vector3(0, 0, 0)
};
}
/// <summary>
/// Initialize the Audio Client
/// </summary>
/// <param name="shareMode">Share Mode</param>
/// <param name="streamFlags">Stream Flags</param>
/// <param name="bufferDuration">Buffer Duration</param>
/// <param name="periodicity">Periodicity</param>
/// <param name="waveFormat">Wave Format</param>
/// <param name="audioSessionGuid">Audio Session GUID (can be null)</param>
public int Initialize(AudioClientShareMode shareMode,
AudioClientStreamFlags streamFlags,
long bufferDuration,
long periodicity,
ref WaveFormatExtensible waveFormat,
Guid audioSessionGuid)
{
int hresult = 0;
hresult = audioClientInterface.Initialize(shareMode, streamFlags, bufferDuration, periodicity, ref waveFormat, ref audioSessionGuid);
if (hresult != 0)
{
this.EventWriterDLL.WriteLine(EventWriterDLL.SeverityTypes.Error, 0x01, "Error Code in AudioClient::Initialize: " + hresult);
}
// may have changed the mix format so reset it
mixFormat = new WaveFormatExtensible();
return(hresult);
}
/// <summary>
/// Sets this object up to point to a wave format
/// </summary>
/// <param name="waveFormat">Wave format structure</param>
// Token: 0x06000BDE RID: 3038 RVA: 0x00023C58 File Offset: 0x00021E58
public void SetWaveFormat(WaveFormat waveFormat)
{
this.majortype = MediaTypes.MEDIATYPE_Audio;
WaveFormatExtensible waveFormatExtensible = waveFormat as WaveFormatExtensible;
if (waveFormatExtensible == null)
{
WaveFormatEncoding encoding = waveFormat.Encoding;
switch (encoding)
{
case WaveFormatEncoding.Pcm:
this.subtype = AudioMediaSubtypes.MEDIASUBTYPE_PCM;
goto IL_87;
case WaveFormatEncoding.Adpcm:
break;
case WaveFormatEncoding.IeeeFloat:
this.subtype = AudioMediaSubtypes.MEDIASUBTYPE_IEEE_FLOAT;
goto IL_87;
default:
if (encoding == WaveFormatEncoding.MpegLayer3)
{
this.subtype = AudioMediaSubtypes.WMMEDIASUBTYPE_MP3;
goto IL_87;
}
break;
}
throw new ArgumentException(string.Format("Not a supported encoding {0}", waveFormat.Encoding));
}
this.subtype = waveFormatExtensible.SubFormat;
IL_87:
this.bFixedSizeSamples = (this.SubType == AudioMediaSubtypes.MEDIASUBTYPE_PCM || this.SubType == AudioMediaSubtypes.MEDIASUBTYPE_IEEE_FLOAT);
this.formattype = DmoMediaTypeGuids.FORMAT_WaveFormatEx;
if (this.cbFormat < Marshal.SizeOf(waveFormat))
{
throw new InvalidOperationException("Not enough memory assigned for a WaveFormat structure");
}
Marshal.StructureToPtr(waveFormat, this.pbFormat, false);
}
private static string FormatDeviceDetailsOutput(int deviceIndex, DeviceDetails details)
{
StringBuilder sb = new StringBuilder();
sb.AppendLine("------------------------------------------------------------");
sb.AppendLine(String.Format("#{0} - {1}", deviceIndex, details.DisplayName));
sb.AppendLine(String.Format("Role: {0}", details.Role.ToString()));
sb.AppendLine(String.Format("ID: {0}", details.DeviceId));
sb.AppendLine("Output format: ");
WaveFormatExtensible format = details.OutputFormat;
string pad = "\t";
sb.AppendLine(String.Format("{0}ChanMask: {1}\tChannels: {2}", pad, format.ChannelMask, format.Channels));
sb.AppendLine(String.Format("{0}BlockAlign: {1}\t\tSamplesPerBlock: {2}", pad, format.BlockAlignment, format.SamplesPerBlock));
sb.AppendLine(String.Format("{0}BitsPerSample: {1}\tSamplesPerSecond: {2}", pad, format.BitsPerSample, format.SamplesPerSecond));
sb.AppendLine(String.Format("{0}ValidBitsPerSample: {1}\tAvgBytesPerSecond: {2}", pad, format.ValidBitsPerSample, format.AverageBytesPerSecond));
sb.AppendLine(String.Format("{0}Tag: {1}", pad, format.FormatTag));
return(sb.ToString());
}
public DmoChannelResampler(IWaveSource source, ChannelMatrix channelMatrix, int destSampleRate)
: base(source, destSampleRate)
{
if (source == null)
throw new ArgumentNullException("source");
if (channelMatrix == null)
throw new ArgumentNullException("channelMatrix");
if (source.WaveFormat.Channels != channelMatrix.InputChannelCount)
throw new ArgumentException("source.WaveFormat.Channels != channelMatrix.InputChannelCount");
WaveFormatExtensible inputformat = new WaveFormatExtensible(source.WaveFormat.SampleRate, source.WaveFormat.BitsPerSample,
source.WaveFormat.Channels, WaveFormatExtensible.SubTypeFromWaveFormat(source.WaveFormat), _channelMatrix.InputMask);
_outputformat = new WaveFormat(destSampleRate, source.WaveFormat.BitsPerSample, 6, source.WaveFormat.WaveFormatTag, source.WaveFormat.ExtraSize);
WaveFormatExtensible outputformat = new WaveFormatExtensible(_outputformat.SampleRate, _outputformat.BitsPerSample,
_outputformat.Channels, WaveFormatExtensible.SubTypeFromWaveFormat(_outputformat), _channelMatrix.OutputMask);
Init(inputformat, outputformat);
_resampler.ResamplerProps.SetUserChannelMtx(_channelMatrix.GetMatrix());
}
/// <summary>
/// Initializes a new instance of the <see cref="DmoChannelResampler"/> class.
/// </summary>
/// <param name="source">Underlying source which has to get resampled.</param>
/// <param name="channelMatrix"><see cref="ChannelMatrix" /> which defines how to map each channel.</param>
/// <param name="outputFormat">Waveformat, which specifies the new format. Note, that by far not all formats are supported.</param>
/// <exception cref="System.ArgumentNullException">
/// source
/// or
/// channelMatrix
/// or
/// outputFormat
/// </exception>
/// <exception cref="System.ArgumentException">The number of channels of the source has to be equal to the number of input channels specified by the channelMatrix.</exception>
public DmoChannelResampler(IWaveSource source, ChannelMatrix channelMatrix, WaveFormat outputFormat)
: base(source, outputFormat)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (channelMatrix == null)
{
throw new ArgumentNullException("channelMatrix");
}
if (outputFormat == null)
{
throw new ArgumentNullException("outputFormat");
}
if (source.WaveFormat.Channels != channelMatrix.InputChannelCount)
{
throw new ArgumentException(
"The number of channels of the source has to be equal to the number of input channels specified by the channelMatrix.");
}
var inputFormat = new WaveFormatExtensible(
source.WaveFormat.SampleRate,
source.WaveFormat.BitsPerSample,
source.WaveFormat.Channels,
WaveFormatExtensible.SubTypeFromWaveFormat(source.WaveFormat),
channelMatrix.InputMask);
Outputformat = new WaveFormatExtensible(
outputFormat.SampleRate,
outputFormat.BitsPerSample,
outputFormat.Channels,
WaveFormatExtensible.SubTypeFromWaveFormat(outputFormat),
channelMatrix.OutputMask);
Initialize(inputFormat, Outputformat);
_channelMatrix = channelMatrix;
CommitChannelMatrixChanges();
}
/// <summary>
/// The IsFormatSupportedInternal method indicates whether the audio endpoint device
/// supports a particular stream format.
/// </summary>
/// <returns>For exclusive mode, IsFormatSupportedInternal returns S_OK if the audio
/// endpoint device supports the caller-specified format, or it returns
/// AUDCLNT_E_UNSUPPORTED_FORMAT if the device does not support the format. The
/// ppClosestMatch parameter can be NULL. If it is not NULL, the method writes NULL to
/// *ppClosestMatch. For shared mode, if the audio engine supports the caller-specified
/// format, IsFormatSupportedInternal sets *ppClosestMatch to NULL and returns S_OK. If the
/// audio engine does not support the caller-specified format but does support a similar
/// format, the method retrieves the similar format through the ppClosestMatch parameter and
/// returns S_FALSE. If the audio engine does not support the caller-specified format or any
/// similar format, the method sets *ppClosestMatch to NULL and returns
/// AUDCLNT_E_UNSUPPORTED_FORMAT.</returns>
public unsafe int IsFormatSupportedNative(AudioClientShareMode shareMode, WaveFormat waveFormat, out WaveFormatExtensible closestMatch)
{
closestMatch = null;
var hClosestMatch = GCHandle.Alloc(closestMatch, GCHandleType.Pinned);
var hWaveFormat = GCHandle.Alloc(waveFormat, GCHandleType.Pinned);
IntPtr pclosestmatch = hClosestMatch.AddrOfPinnedObject();
var result = InteropCalls.CallI(_basePtr, shareMode, hWaveFormat.AddrOfPinnedObject().ToPointer(),
&pclosestmatch, ((void**)(*(void**)_basePtr))[7]);
hWaveFormat.Free();
hClosestMatch.Free();
return result;
}
private WaveFormat SetupWaveFormat(WaveFormat waveFormat, AudioClient audioClient)
{
WaveFormatExtensible closestMatch;
WaveFormat finalFormat = waveFormat;
if (!audioClient.IsFormatSupported(_shareMode, waveFormat, out closestMatch))
{
if (closestMatch == null)
{
WaveFormat mixformat = audioClient.GetMixFormat();
if (mixformat == null || !audioClient.IsFormatSupported(_shareMode, mixformat))
{
WaveFormatExtensible[] possibleFormats = new WaveFormatExtensible[]
{
new WaveFormatExtensible(waveFormat.SampleRate, 32, waveFormat.Channels, DMO.MediaTypes.MEDIATYPE_IeeeFloat),
new WaveFormatExtensible(waveFormat.SampleRate, 24, waveFormat.Channels, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 16, waveFormat.Channels, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 8, waveFormat.Channels, DMO.MediaTypes.MEDIATYPE_Pcm)
};
if (!CheckForSupportedFormat(audioClient, possibleFormats, out mixformat))
{
//no format found...
possibleFormats = new WaveFormatExtensible[]
{
new WaveFormatExtensible(waveFormat.SampleRate, 32, 2, DMO.MediaTypes.MEDIATYPE_IeeeFloat),
new WaveFormatExtensible(waveFormat.SampleRate, 24, 2, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 16, 2, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 8, 2, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 32, 1, DMO.MediaTypes.MEDIATYPE_IeeeFloat),
new WaveFormatExtensible(waveFormat.SampleRate, 24, 1, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 16, 1, DMO.MediaTypes.MEDIATYPE_Pcm),
new WaveFormatExtensible(waveFormat.SampleRate, 8, 1, DMO.MediaTypes.MEDIATYPE_Pcm)
};
if (CheckForSupportedFormat(audioClient, possibleFormats, out mixformat))
{
throw new NotSupportedException("Could not find a supported format.");
}
}
}
finalFormat = mixformat;
}
else
{
finalFormat = closestMatch;
}
}
return finalFormat;
}
public override void OnGetMediaType(WaveFormatExtensible format)
{
GuiThread.DoAsync(delegate
{
// This has to be done via GuiThread.DoAsync because when this method is called
// Player.Filters has not been populated
// Using GuiThread.DoAsync essentially queues this delegate until the media file
// is actually opened and all Player fields have been populated
if (Player.Filters.Any(f => f.ClsId == s_SanearSoundClsId))
{
m_Sanear = true;
}
else if (Player.Filters.Any(f => f.ClsId == s_DirectSoundClsId || f.ClsId == s_WaveOutClsId))
{
m_DirectSoundWaveOut = true;
}
else
{
Player.OsdText.Show("Warning: Audio renderer is incompatible with Reclock. Reclock disabled!");
}
});
}
/// <summary>
/// Checks whether the audio endpoint device supports a particular stream format.
/// </summary>
public bool IsFormatSupported(AudioClientShareMode shareMode, WaveFormat waveFormat, out WaveFormatExtensible closestMatch)
{
int result = IsFormatSupportedNative(shareMode, waveFormat, out closestMatch);
switch (result)
{
case 0x0:
return true;
case 0x1:
case unchecked((int)0x88890008):
return false;
default:
CoreAudioAPIException.Try(result, c, "IsFormatSupported");
return false;
}
}
public Sound LoadOgg(string fileName)
{
var stream = new OggVorbisFileStream(fileName);
VorbisInfo vInfo = stream.Info;
WaveFormatExtensible wfe = new WaveFormatExtensible
{
// cbSize
BitsPerSample = 16,
Channels = (short)vInfo.Channels,
SamplesPerSecond = vInfo.Rate, // ogg vorbis always uses 16 bits
AverageBytesPerSecond = vInfo.Rate * vInfo.Channels * 2,
BlockAlignment = (short)(2 * vInfo.Channels),
FormatTag = WaveFormatTag.Pcm
};
AudioBuffer buffer = new AudioBuffer();
buffer.AudioData = stream;
buffer.AudioBytes = (int)stream.Length;
buffer.Flags = BufferFlags.EndOfStream;
return new Sound { Buffer = buffer, Stream = stream, Format = wfe, Program = this };
}
