Example #1
0
        /// <summary>
        ///     Creates and configures a source voice. For more information see
        ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
        /// </summary>
        /// <param name="sourceFormat">
        ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
        ///     <ul>
        ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
        ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
        ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
        ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
        ///     </ul>
        ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The
        ///     sample rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />
        ///     .
        /// </param>
        /// <param name="flags">
        ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
        ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
        ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
        ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
        /// </param>
        /// <param name="maxFrequencyRatio">
        ///     Highest allowable frequency ratio that can be set on this voice. The value for this
        ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
        /// </param>
        /// <param name="voiceCallback">
        ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
        ///     optional and can be null.
        /// </param>
        /// <param name="sendList">
        ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
        ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first
        ///     mastering
        ///     voice created.
        /// </param>
        /// <param name="effectChain">
        ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
        ///     source voice. This parameter is optional and can be null.
        /// </param>
        /// <returns>If successful, returns a pointer to the new <see cref="XAudio2SourceVoice" /> object.</returns>
        public IntPtr CreateSourceVoicePtr(WaveFormat sourceFormat, VoiceFlags flags, float maxFrequencyRatio,
                                           IXAudio2VoiceCallback voiceCallback, VoiceSends?sendList, EffectChain?effectChain)
        {
            GCHandle hWaveFormat = GCHandle.Alloc(sourceFormat, GCHandleType.Pinned);

            //todo: do we really need to use GCHandle?
            try
            {
                IntPtr ptr;
                int    result = CreateSourceVoiceNative(
                    out ptr,
                    hWaveFormat.AddrOfPinnedObject(),
                    flags,
                    maxFrequencyRatio,
                    voiceCallback,
                    sendList,
                    effectChain);
                XAudio2Exception.Try(result, N, "CreateSourceVoice");

                return(ptr);
            }
            finally
            {
                if (hWaveFormat.IsAllocated)
                {
                    hWaveFormat.Free();
                }
            }
        }
Example #2
0
        public IXAudio2VoiceCallbackWrapper(IXAudio2VoiceCallback callback)
        {
            if (callback == null)
            {
                return;
            }

            _callback = callback;
            // Store callbacks to prevent them from being garbage collected
            _startCallback       = (_, bytesRequired) => _callback.OnVoiceProcessingPassStart(bytesRequired);
            _endCallback         = _ => _callback.OnVoiceProcessingPassEnd();
            _streamEndCallback   = _ => _callback.OnStreamEnd();
            _bufferStartCallback = (_, context) => _callback.OnBufferStart(context);
            _bufferEndCallback   = (_, context) => _callback.OnBufferEnd(context);
            _loopEndCallback     = (_, context) => _callback.OnLoopEnd(context);
            _voiceErrorCallback  = (_, context, error) => _callback.OnVoiceError(context, error);

            // Allocate memory for the C++ interface
            _nativePointer = Marshal.AllocHGlobal(IntPtr.Size * 8); // 7 methods + vtbl

            // Write pointer to vtbl
            Marshal.WriteIntPtr(_nativePointer, IntPtr.Add(_nativePointer, IntPtr.Size));

            // Write the functions to the vtable
            WriteFunctionPointer(1, _startCallback);
            WriteFunctionPointer(2, _endCallback);
            WriteFunctionPointer(3, _streamEndCallback);
            WriteFunctionPointer(4, _bufferStartCallback);
            WriteFunctionPointer(5, _bufferEndCallback);
            WriteFunctionPointer(6, _loopEndCallback);
            WriteFunctionPointer(7, _voiceErrorCallback);
        }
Example #3
0
            private static void OnVoiceProcessingPassEndImpl(IntPtr thisObject)
            {
                IXAudio2VoiceCallbackShadow shadow   = ToShadow <IXAudio2VoiceCallbackShadow>(thisObject);
                IXAudio2VoiceCallback       callback = (IXAudio2VoiceCallback)shadow.Callback;

                callback.OnVoiceProcessingPassEnd();
            }
Example #4
0
        /// <summary>
        ///     Creates and configures a source voice. For more information see
        ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
        /// </summary>
        /// <param name="pSourceVoice">If successful, returns a pointer to the new <see cref="XAudio2SourceVoice" /> object.</param>
        /// <param name="sourceFormat">
        ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
        ///     <ul>
        ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
        ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
        ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
        ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
        ///     </ul>
        ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The sample
        ///     rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />.
        /// </param>
        /// <param name="flags">
        ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
        ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
        ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
        ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
        /// </param>
        /// <param name="maxFrequencyRatio">
        ///     Highest allowable frequency ratio that can be set on this voice. The value for this
        ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
        /// </param>
        /// <param name="voiceCallback">
        ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
        ///     optional and can be null.
        /// </param>
        /// <param name="sendList">
        ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
        ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first mastering
        ///     voice created.
        /// </param>
        /// <param name="effectChain">
        ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
        ///     source voice. This parameter is optional and can be null.
        /// </param>
        /// <returns>HRESULT</returns>
        public override unsafe int CreateSourceVoiceNative(
            out IntPtr pSourceVoice,
            IntPtr sourceFormat,
            VoiceFlags flags,
            float maxFrequencyRatio,
            IXAudio2VoiceCallback voiceCallback,
            VoiceSends?sendList,  //out
            EffectChain?effectChain
            )
        {
            VoiceSends  value0 = sendList.HasValue ? sendList.Value : new VoiceSends();
            EffectChain value1 = effectChain.HasValue ? effectChain.Value : new EffectChain();

            IntPtr p = IntPtr.Zero;

            if (voiceCallback != null)
            {
                p = Marshal.GetComInterfaceForObject(voiceCallback, typeof(IXAudio2VoiceCallback));
                p = Utils.Utils.GetComInterfaceForObjectWithAdjustedVtable(p, 7, 3);
            }

            fixed(void *ptr = &pSourceVoice)
            {
                return(InteropCalls.CallI(UnsafeBasePtr,
                                          ptr,
                                          sourceFormat,
                                          flags,
                                          maxFrequencyRatio,
                                          p.ToPointer(),
                                          sendList.HasValue ? &value0 : (void *)IntPtr.Zero,
                                          effectChain.HasValue ? &value1 : (void *)IntPtr.Zero,
                                          ((void **)(*(void **)UnsafeBasePtr))[8]));
            }
        }
Example #5
0
            private static void OnVoiceProcessingPassStartImpl(IntPtr thisObject, int bytes)
            {
                IXAudio2VoiceCallbackShadow shadow   = ToShadow <IXAudio2VoiceCallbackShadow>(thisObject);
                IXAudio2VoiceCallback       callback = (IXAudio2VoiceCallback)shadow.Callback;

                callback.OnVoiceProcessingPassStart(bytes);
            }
Example #6
0
        /// <summary>
        ///     Creates and configures a source voice. For more information see
        ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
        /// </summary>
        /// <param name="sourceFormat">
        ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
        ///     <ul>
        ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
        ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
        ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
        ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
        ///     </ul>
        ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The
        ///     sample rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />
        ///     .
        /// </param>
        /// <param name="flags">
        ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
        ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
        ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
        ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
        /// </param>
        /// <param name="maxFrequencyRatio">
        ///     Highest allowable frequency ratio that can be set on this voice. The value for this
        ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
        /// </param>
        /// <param name="voiceCallback">
        ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
        ///     optional and can be null.
        /// </param>
        /// <param name="sendList">
        ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
        ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first
        ///     mastering
        ///     voice created.
        /// </param>
        /// <param name="effectChain">
        ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
        ///     source voice. This parameter is optional and can be null.
        /// </param>
        /// <returns>If successful, returns a new <see cref="XAudio2SourceVoice" /> object.</returns>
        public XAudio2SourceVoice CreateSourceVoice(WaveFormat sourceFormat, VoiceFlags flags, float maxFrequencyRatio,
                                                    IXAudio2VoiceCallback voiceCallback, VoiceSends?sendList, EffectChain?effectChain)
        {
            IntPtr ptr = CreateSourceVoicePtr(sourceFormat, flags, maxFrequencyRatio, voiceCallback, sendList,
                                              effectChain);

            return(new XAudio2SourceVoice(ptr, _version));
        }
Example #7
0
 /// <summary>
 ///     Creates and configures a source voice. For more information see
 ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
 /// </summary>
 /// <param name="pSourceVoice">If successful, returns a pointer to the new <see cref="XAudio2SourceVoice" /> object.</param>
 /// <param name="sourceFormat">
 ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
 ///     <ul>
 ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
 ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
 ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
 ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
 ///     </ul>
 ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The sample
 ///     rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />.
 /// </param>
 /// <param name="flags">
 ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
 ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
 ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
 ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
 /// </param>
 /// <param name="maxFrequencyRatio">
 ///     Highest allowable frequency ratio that can be set on this voice. The value for this
 ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
 /// </param>
 /// <param name="voiceCallback">
 ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
 ///     optional and can be null.
 /// </param>
 /// <param name="sendList">
 ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
 ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first
 ///     mastering
 ///     voice created.
 /// </param>
 /// <param name="effectChain">
 ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
 ///     source voice. This parameter is optional and can be null.
 /// </param>
 /// <returns>HRESULT</returns>
 public abstract int CreateSourceVoiceNative(
     out IntPtr pSourceVoice,
     IntPtr sourceFormat,
     VoiceFlags flags,
     float maxFrequencyRatio,
     IXAudio2VoiceCallback voiceCallback,
     VoiceSends?sendList,  //out
     EffectChain?effectChain
     );
Example #8
0
    public SourceVoice(ComPtr <IXAudio2> xAudio2, WAVEFORMATEX format)
    {
        _callback = IXAudio2VoiceCallback.Create(this);
        fixed(IXAudio2SourceVoice **ppVoice = &_voice)
        {
            Common.CheckAndThrow(xAudio2.Get()->CreateSourceVoice(ppVoice, &format, pCallback: _callback), nameof(IXAudio2.CreateSourceVoice));
        }

        _voice->SetVolume(0.1f);
    }
Example #9
0
        /// <summary>
        ///     Creates and configures a source voice. For more information see
        ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
        /// </summary>
        /// <param name="pSourceVoice">If successful, returns a pointer to the new <see cref="XAudio2SourceVoice" /> object.</param>
        /// <param name="sourceFormat">
        ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
        ///     <ul>
        ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
        ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
        ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
        ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
        ///     </ul>
        ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The sample
        ///     rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />.
        /// </param>
        /// <param name="flags">
        ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
        ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
        ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
        ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
        /// </param>
        /// <param name="maxFrequencyRatio">
        ///     Highest allowable frequency ratio that can be set on this voice. The value for this
        ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
        /// </param>
        /// <param name="voiceCallback">
        ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
        ///     optional and can be null.
        /// </param>
        /// <param name="sendList">
        ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
        ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first mastering
        ///     voice created.
        /// </param>
        /// <param name="effectChain">
        ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
        ///     source voice. This parameter is optional and can be null.
        /// </param>
        /// <returns>HRESULT</returns>
        public override unsafe int CreateSourceVoiceNative(
            out IntPtr pSourceVoice,
            IntPtr sourceFormat,
            VoiceFlags flags,
            float maxFrequencyRatio,
            IXAudio2VoiceCallback voiceCallback,
            VoiceSends?sendList,  //out
            EffectChain?effectChain
            )
        {
            VoiceSends  value0 = sendList.HasValue ? sendList.Value : new VoiceSends();
            EffectChain value1 = effectChain.HasValue ? effectChain.Value : new EffectChain();

            IntPtr p = IntPtr.Zero;

            if (voiceCallback != null)
            {
                p = Marshal.GetComInterfaceForObject(voiceCallback, typeof(IXAudio2VoiceCallback));
                p = Utils.CSCoreUtils.GetComInterfaceForObjectWithAdjustedVtable(p, 7, 3);
            }

            try
            {
                fixed(void *ptr = &pSourceVoice)
                {
                    return(InteropCalls.CallI(UnsafeBasePtr,
                                              ptr,
                                              sourceFormat,
                                              flags,
                                              maxFrequencyRatio,
                                              p.ToPointer(),
                                              sendList.HasValue ? &value0 : (void *)IntPtr.Zero,
                                              effectChain.HasValue ? &value1 : (void *)IntPtr.Zero,
                                              ((void **)(*(void **)UnsafeBasePtr))[5]));
                }
            }
            finally
            {
                if (p != IntPtr.Zero)
                {
                    //while patching the IUnknown-members out of the vtable, we've made a backup of the release pointer,
                    //which gets called here -> the Marshal.Release method would call any function on index 2 of the vtable
                    //we've patched there
                    Utils.CSCoreUtils.Release(p);
                    //Marshal.Release(p);
                }
            }
        }
Example #10
0
        public unsafe IXAudio2SourceVoice CreateSourceVoice(
            WaveFormat sourceFormat,
            VoiceFlags flags                     = VoiceFlags.None,
            float maxFrequencyRatio              = 1.0f,
            IXAudio2VoiceCallback callback       = null,
            EffectDescriptor[] effectDescriptors = null)
        {
            var waveformatPtr = WaveFormat.MarshalToPtr(sourceFormat);

            try
            {
                if (effectDescriptors != null)
                {
                    var effectChain             = new EffectChain();
                    var effectDescriptorNatives = new EffectDescriptor.__Native[effectDescriptors.Length];
                    for (int i = 0; i < effectDescriptorNatives.Length; i++)
                    {
                        effectDescriptors[i].__MarshalTo(ref effectDescriptorNatives[i]);
                    }

                    effectChain.EffectCount = effectDescriptorNatives.Length;
                    fixed(void *pEffectDescriptors = &effectDescriptorNatives[0])
                    {
                        effectChain.EffectDescriptorPointer = (IntPtr)pEffectDescriptors;
                        return(CreateSourceVoice(waveformatPtr, flags, maxFrequencyRatio, callback, null, effectChain));
                    }
                }
                else
                {
                    return(CreateSourceVoice(waveformatPtr, flags, maxFrequencyRatio, callback, null, null));
                }
            }
            finally
            {
                Marshal.FreeHGlobal(waveformatPtr);
            }
        }
Example #11
0
 internal static unsafe int CallI(void *_basePtr, void *ptr, IntPtr sourceFormat, VoiceFlags flags,
                                  float maxFrequencyRatio, IXAudio2VoiceCallback voiceCallback, void *p1, void *p2, void *p3)
 {
     throw new NotImplementedException();
 }
Example #12
0
        /// <summary>
        ///     Creates and configures a source voice. For more information see
        ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
        /// </summary>
        /// <param name="pSourceVoice">If successful, returns a pointer to the new <see cref="XAudio2SourceVoice" /> object.</param>
        /// <param name="sourceFormat">
        ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
        ///     <ul>
        ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
        ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
        ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
        ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
        ///     </ul>
        ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The sample
        ///     rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />.
        /// </param>
        /// <param name="flags">
        ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
        ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
        ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
        ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
        /// </param>
        /// <param name="maxFrequencyRatio">
        ///     Highest allowable frequency ratio that can be set on this voice. The value for this
        ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
        /// </param>
        /// <param name="voiceCallback">
        ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
        ///     optional and can be null.
        /// </param>
        /// <param name="sendList">
        ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
        ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first mastering
        ///     voice created.
        /// </param>
        /// <param name="effectChain">
        ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
        ///     source voice. This parameter is optional and can be null.
        /// </param>
        /// <returns>HRESULT</returns>
        public unsafe override int CreateSourceVoiceNative(
            out IntPtr pSourceVoice,
            IntPtr sourceFormat,
            VoiceFlags flags,
            float maxFrequencyRatio,
            IXAudio2VoiceCallback voiceCallback,
            VoiceSends? sendList, //out
            EffectChain? effectChain
            )
        {
            VoiceSends value0 = sendList.HasValue ? sendList.Value : new VoiceSends();
            EffectChain value1 = effectChain.HasValue ? effectChain.Value : new EffectChain();

            IntPtr p = IntPtr.Zero;
            if (voiceCallback != null)
            {
                p = Marshal.GetComInterfaceForObject(voiceCallback, typeof (IXAudio2VoiceCallback));
                p = Utils.Utils.GetComInterfaceForObjectWithAdjustedVtable(p, 7, 3);
            }

            fixed (void* ptr = &pSourceVoice)
            {
                return InteropCalls.CallI(UnsafeBasePtr,
                    ptr,
                    sourceFormat,
                    flags,
                    maxFrequencyRatio,
                    p.ToPointer(),
                    sendList.HasValue ? &value0 : (void*) IntPtr.Zero,
                    effectChain.HasValue ? &value1 : (void*) IntPtr.Zero,
                    ((void**) (*(void**) UnsafeBasePtr))[8]);
            }
        }
Example #13
0
 /// <summary>
 /// Return a pointer to the unmanaged version of this callback.
 /// </summary>
 /// <param name="callback">The callback.</param>
 /// <returns>A pointer to a shadow c++ callback</returns>
 public static IntPtr ToIntPtr(IXAudio2VoiceCallback callback)
 {
     return(ToCallbackPtr <IXAudio2VoiceCallback>(callback));
 }
Example #14
0
 internal static unsafe int CallI(void* _basePtr, void* ptr, IntPtr sourceFormat, VoiceFlags flags,
     float maxFrequencyRatio, IXAudio2VoiceCallback voiceCallback, void* p1, void* p2, void* p3)
 {
     throw new NotImplementedException();
 }
Example #15
0
        /// <summary>
        ///     Creates and configures a source voice. For more information see
        ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
        /// </summary>
        /// <param name="sourceFormat">
        ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
        ///     <ul>
        ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
        ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
        ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
        ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
        ///     </ul>
        ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The
        ///     sample rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />
        ///     .
        /// </param>
        /// <param name="flags">
        ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
        ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
        ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
        ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
        /// </param>
        /// <param name="maxFrequencyRatio">
        ///     Highest allowable frequency ratio that can be set on this voice. The value for this
        ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
        /// </param>
        /// <param name="voiceCallback">
        ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
        ///     optional and can be null.
        /// </param>
        /// <param name="sendList">
        ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
        ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first
        ///     mastering
        ///     voice created.
        /// </param>
        /// <param name="effectChain">
        ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
        ///     source voice. This parameter is optional and can be null.
        /// </param>
        /// <returns>If successful, returns a pointer to the new <see cref="XAudio2SourceVoice" /> object.</returns>
        public IntPtr CreateSourceVoicePtr(WaveFormat sourceFormat, VoiceFlags flags, float maxFrequencyRatio,
            IXAudio2VoiceCallback voiceCallback, VoiceSends? sendList, EffectChain? effectChain)
        {
            GCHandle hWaveFormat = GCHandle.Alloc(sourceFormat, GCHandleType.Pinned);
            //todo: do we really need to use GCHandle?
            try
            {
                IntPtr ptr;
                int result = CreateSourceVoiceNative(
                    out ptr,
                    hWaveFormat.AddrOfPinnedObject(),
                    flags,
                    maxFrequencyRatio,
                    voiceCallback,
                    sendList,
                    effectChain);
                XAudio2Exception.Try(result, N, "CreateSourceVoice");

                return ptr;
            }
            finally
            {
                if (hWaveFormat.IsAllocated)
                    hWaveFormat.Free();
            }
        }
Example #16
0
 /// <summary>
 ///     Creates and configures a source voice. For more information see
 ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
 /// </summary>
 /// <param name="pSourceVoice">If successful, returns a pointer to the new <see cref="XAudio2SourceVoice" /> object.</param>
 /// <param name="sourceFormat">
 ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
 ///     <ul>
 ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
 ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
 ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
 ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
 ///     </ul>
 ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The sample
 ///     rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />.
 /// </param>
 /// <param name="flags">
 ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
 ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
 ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
 ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
 /// </param>
 /// <param name="maxFrequencyRatio">
 ///     Highest allowable frequency ratio that can be set on this voice. The value for this
 ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
 /// </param>
 /// <param name="voiceCallback">
 ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
 ///     optional and can be null.
 /// </param>
 /// <param name="sendList">
 ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
 ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first
 ///     mastering
 ///     voice created.
 /// </param>
 /// <param name="effectChain">
 ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
 ///     source voice. This parameter is optional and can be null.
 /// </param>
 /// <returns>HRESULT</returns>
 public abstract int CreateSourceVoiceNative(
     out IntPtr pSourceVoice,
     IntPtr sourceFormat,
     VoiceFlags flags,
     float maxFrequencyRatio,
     IXAudio2VoiceCallback voiceCallback,
     VoiceSends? sendList, //out
     EffectChain? effectChain
     );
Example #17
0
 /// <summary>
 ///     Creates and configures a source voice. For more information see
 ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
 /// </summary>
 /// <param name="sourceFormat">
 ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
 ///     <ul>
 ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
 ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
 ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
 ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
 ///     </ul>
 ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The
 ///     sample rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />
 ///     .
 /// </param>
 /// <param name="flags">
 ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
 ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
 ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
 ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
 /// </param>
 /// <param name="maxFrequencyRatio">
 ///     Highest allowable frequency ratio that can be set on this voice. The value for this
 ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
 /// </param>
 /// <param name="voiceCallback">
 ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
 ///     optional and can be null.
 /// </param>
 /// <param name="sendList">
 ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
 ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first
 ///     mastering
 ///     voice created.
 /// </param>
 /// <param name="effectChain">
 ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
 ///     source voice. This parameter is optional and can be null.
 /// </param>
 /// <returns>If successful, returns a new <see cref="XAudio2SourceVoice" /> object.</returns>
 public XAudio2SourceVoice CreateSourceVoice(WaveFormat sourceFormat, VoiceFlags flags, float maxFrequencyRatio,
     IXAudio2VoiceCallback voiceCallback, VoiceSends? sendList, EffectChain? effectChain)
 {
     IntPtr ptr = CreateSourceVoicePtr(sourceFormat, flags, maxFrequencyRatio, voiceCallback, sendList,
         effectChain);
     return new XAudio2SourceVoice(ptr, _version);
 }
Example #18
0
        /// <summary>
        ///     Creates and configures a source voice. For more information see
        ///     http://msdn.microsoft.com/en-us/library/windows/desktop/microsoft.directx_sdk.ixaudio2.ixaudio2.createsourcevoice(v=vs.85).aspx.
        /// </summary>
        /// <param name="pSourceVoice">If successful, returns a pointer to the new <see cref="XAudio2SourceVoice" /> object.</param>
        /// <param name="sourceFormat">
        ///     Pointer to a <see cref="WaveFormat" />. The following formats are supported:
        ///     <ul>
        ///         <li>8-bit (unsigned) integer PCM</li><li>16-bit integer PCM (optimal format for XAudio2)</li>
        ///         <li>20-bit integer PCM (either in 24 or 32 bit containers)</li>
        ///         <li>24-bit integer PCM (either in 24 or 32 bit containers)</li><li>32-bit integer PCM</li>
        ///         <li>32-bit float PCM (preferred format after 16-bit integer)</li>
        ///     </ul>
        ///     The number of channels in a source voice must be less than or equal to <see cref="MaxAudioChannels" />. The sample
        ///     rate of a source voice must be between <see cref="MinimumSampleRate" /> and <see cref="MaximumSampleRate" />.
        /// </param>
        /// <param name="flags">
        ///     <see cref="VoiceFlags" /> that specify the behavior of the source voice. A flag can be
        ///     <see cref="VoiceFlags.None" /> or a combination of one or more of the following.
        ///     Possible values are <see cref="VoiceFlags.NoPitch" />, <see cref="VoiceFlags.NoSampleRateConversition" /> and
        ///     <see cref="VoiceFlags.UseFilter" />. <see cref="VoiceFlags.Music" /> is not supported on Windows.
        /// </param>
        /// <param name="maxFrequencyRatio">
        ///     Highest allowable frequency ratio that can be set on this voice. The value for this
        ///     argument must be between <see cref="MinFrequencyRatio" /> and <see cref="MaxFrequencyRatio" />.
        /// </param>
        /// <param name="voiceCallback">
        ///     Client-provided callback interface, <see cref="IXAudio2VoiceCallback" />. This parameter is
        ///     optional and can be null.
        /// </param>
        /// <param name="sendList">
        ///     List of <see cref="VoiceSends" /> structures that describe the set of destination voices for the
        ///     source voice. If <paramref name="sendList" /> is NULL, the send list defaults to a single output to the first mastering
        ///     voice created.
        /// </param>
        /// <param name="effectChain">
        ///     List of <see cref="EffectChain" /> structures that describe an effect chain to use in the
        ///     source voice. This parameter is optional and can be null.
        /// </param>
        /// <returns>HRESULT</returns>
        public unsafe override int CreateSourceVoiceNative(
            out IntPtr pSourceVoice,
            IntPtr sourceFormat,
            VoiceFlags flags,
            float maxFrequencyRatio,
            IXAudio2VoiceCallback voiceCallback,
            VoiceSends? sendList, //out
            EffectChain? effectChain
            )
        {
            VoiceSends value0 = sendList.HasValue ? sendList.Value : new VoiceSends();
            EffectChain value1 = effectChain.HasValue ? effectChain.Value : new EffectChain();

            IntPtr p = IntPtr.Zero;
            if (voiceCallback != null)
            {
                p = Marshal.GetComInterfaceForObject(voiceCallback, typeof (IXAudio2VoiceCallback));
                p = Utils.Utils.GetComInterfaceForObjectWithAdjustedVtable(p, 7, 3);
            }
            try
            {
                fixed (void* ptr = &pSourceVoice)
                {
                    return InteropCalls.CallI(UnsafeBasePtr,
                        ptr,
                        sourceFormat,
                        flags,
                        maxFrequencyRatio,
                        p.ToPointer(),
                        sendList.HasValue ? &value0 : (void*) IntPtr.Zero,
                        effectChain.HasValue ? &value1 : (void*) IntPtr.Zero,
                        ((void**) (*(void**) UnsafeBasePtr))[8]);
                }
            }
            finally
            {
                if (p != IntPtr.Zero)
                {
                    //while patching the IUnknown-members out of the vtable, we've made a backup of the release pointer,
                    //which gets called here -> the Marshal.Release method would call any function on index 2 of the vtable
                    //we've patched there
                    Utils.Utils.Release(p);
                    //Marshal.Release(p);
                }
            }
        }