C# (CSharp) SlimDX.DirectSound CaptureBuffer Examples

Example #1

File: SoundCapture.cs Project: khareashish/CSharp_GUI_PPM_With_Sound_Card

        public int GetAmplitude()
        {
            waveFormat.FormatTag = SlimDX.Multimedia.WaveFormatTag.Pcm;

            waveFormat.BitsPerSample = 16;
            waveFormat.BlockAlignment = (short)((waveFormat.BitsPerSample / 8));
            waveFormat.Channels = 1;
            waveFormat.SamplesPerSecond = 192000;
            waveFormat.AverageBytesPerSecond = waveFormat.SamplesPerSecond * waveFormat.BlockAlignment * waveFormat.Channels;

            SlimDX.DirectSound.CaptureBufferDescription bufferDescription = new SlimDX.DirectSound.CaptureBufferDescription();
            bufferDescription.BufferBytes = 8192;
            bufferDescription.Format = waveFormat;
            bufferDescription.WaveMapped = false;

            SlimDX.DirectSound.CaptureBuffer buffer = new SlimDX.DirectSound.CaptureBuffer(captureDevice, bufferDescription);
            buffer.Start(true);

            short[] samples = new short[5000];
            int max = 0;
            for (int i = 0; i < 1000; i++)
            {
                buffer.Read<short>(samples, 0, true);
                max = samples.Max();
                if (max != 0)
                    break;

            }

            buffer.Stop();
            buffer.Dispose();
            captureDevice.Dispose();

            return max;
        }

Example #2

File: SoundCapture.cs Project: khareashish/CSharp_GUI_PPM_With_Sound_Card

        public int GetAmplitude()
        {
            waveFormat.FormatTag = SlimDX.Multimedia.WaveFormatTag.Pcm;

            waveFormat.BitsPerSample         = 16;
            waveFormat.BlockAlignment        = (short)((waveFormat.BitsPerSample / 8));
            waveFormat.Channels              = 1;
            waveFormat.SamplesPerSecond      = 192000;
            waveFormat.AverageBytesPerSecond = waveFormat.SamplesPerSecond * waveFormat.BlockAlignment * waveFormat.Channels;

            SlimDX.DirectSound.CaptureBufferDescription bufferDescription = new SlimDX.DirectSound.CaptureBufferDescription();
            bufferDescription.BufferBytes = 8192;
            bufferDescription.Format      = waveFormat;
            bufferDescription.WaveMapped  = false;

            SlimDX.DirectSound.CaptureBuffer buffer = new SlimDX.DirectSound.CaptureBuffer(captureDevice, bufferDescription);
            buffer.Start(true);

            short[] samples = new short[5000];
            int     max     = 0;

            for (int i = 0; i < 1000; i++)
            {
                buffer.Read <short>(samples, 0, true);
                max = samples.Max();
                if (max != 0)
                {
                    break;
                }
            }

            buffer.Stop();
            buffer.Dispose();
            captureDevice.Dispose();

            return(max);
        }