Source codes

1 files changed, 27 insertions, 0 deletions

diff --git a/WhisperNet/API/iAudioBuffer.cs b/WhisperNet/API/iAudioBuffer.cs
new file mode 100644
index 0000000..1b35621
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+++ b/WhisperNet/API/iAudioBuffer.cs
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+using ComLight;
+using System.Runtime.InteropServices;
+
+namespace Whisper
+{
+	/// <summary>A buffer with a chunk of audio.</summary>
+	/// <remarks>Note the interface supports both marshaling directions.<br/>
+	/// I have not tested, but you should be able to implement this interface in C#, to supply PCM audio data to the native code</remarks>
+	[ComInterface( "013583aa-c9eb-42bc-83db-633c2c317051", eMarshalDirection.BothWays )]
+	public interface iAudioBuffer: IDisposable
+	{
+		/// <summary>Count of samples in the buffer</summary>
+		int countSamples();
+
+		/// <summary>Unmanaged pointer to the internal buffer containing single-channel FP32 samples.</summary>
+		/// <remarks>If you implementing this interface in C# and your audio data is on the managed heap, use <see cref="GCHandle" /> to make sure it doesn't move.<br/>
+		/// Or better yet, move the data to unmanaged buffer allocated with <see cref="Marshal.AllocHGlobal(int)" /> or <see cref="Marshal.AllocCoTaskMem(int)" /> method.</remarks>
+		IntPtr getPcmMono();
+
+		/// <summary>Unmanaged pointer to the internal buffer containing stereo FP32 samples.</summary>
+		/// <remarks>When the buffer doesn’t have stereo data, the method gonna return <see cref="IntPtr.Zero" />.</remarks>
+		IntPtr getPcmStereo();
+
+		/// <summary>Start time of the buffer, relative to the start of the media</summary>
+		void getTime( out TimeSpan time );
+	}
+}
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