/// <summary>
        /// Start recording on the device in the parameter.
        /// </summary>
        /// <param name="recordingDevice">the device to start recording</param>
        /// <returns>true if the recording is started, or false</returns>
        public bool StartRecordingSetDevice(MMDevice recordingDevice)
        {
            if (recordingDevice == null)
            {
                logger.Log(Properties.Strings.MessageBox_NoRecordingDevices);
                return(false);
            }

            try
            {
                if (recordingDevice.DataFlow == DataFlow.Render)
                {
                    soundIn = new CSCore.SoundIn.WasapiLoopbackCapture
                    {
                        Device = recordingDevice
                    };
                }
                else
                {
                    soundIn = new CSCore.SoundIn.WasapiCapture
                    {
                        Device = recordingDevice
                    };
                }


                soundIn.Initialize();
                soundInSource = new SoundInSource(soundIn)
                {
                    FillWithZeros = false
                };
                convertedSource              = soundInSource.ChangeSampleRate(44100).ToSampleSource().ToWaveSource(16);
                convertedSource              = convertedSource.ToStereo();
                soundInSource.DataAvailable += OnDataAvailable;
                soundIn.Stopped             += OnRecordingStopped;
                soundIn.Start();

                var format = convertedSource.WaveFormat;
                waveFormat     = NAudio.Wave.WaveFormat.CreateCustomFormat(WaveFormatEncoding.Pcm, format.SampleRate, format.Channels, format.BytesPerSecond, format.BlockAlign, format.BitsPerSample);
                isRecording    = true;
                bufferCaptured = new BufferBlock()
                {
                    Data = new byte[convertedSource.WaveFormat.BytesPerSecond / 2]
                };
                bufferSend = new BufferBlock()
                {
                    Data = new byte[convertedSource.WaveFormat.BytesPerSecond / 2]
                };

                eventThread = new Thread(EventThread)
                {
                    Name         = "Loopback Event Thread",
                    IsBackground = true
                };
                eventThread.Start(new WeakReference <LoopbackRecorder>(this));

                return(true);
            }
            catch (Exception ex)
            {
                logger.Log(ex, "Error initializing the recording device:");
            }

            return(false);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Start recording on the device in the parameter.
        /// </summary>
        /// <param name="recordingDevice">the device to start recording</param>
        /// <returns>true if the recording is started, or false</returns>
        public bool StartRecordingSetDevice(MMDevice recordingDevice)
        {
            if (recordingDevice == null)
            {
                logger.Log(Properties.Strings.MessageBox_NoRecordingDevices);
                return(false);
            }

            try
            {
                if (recordingDevice.DataFlow == DataFlow.Render)
                {
                    soundIn = new CSCore.SoundIn.WasapiLoopbackCapture
                    {
                        Device = recordingDevice
                    };
                }
                else
                {
                    soundIn = new CSCore.SoundIn.WasapiCapture
                    {
                        Device = recordingDevice
                    };
                }


                soundIn.Initialize();
                soundInSource = new SoundInSource(soundIn)
                {
                    FillWithZeros = false
                };

                var selectedFormat = mainForm.GetSelectedStreamFormat();
                CSCore.WaveFormat format;
                switch (selectedFormat)
                {
                case Classes.SupportedStreamFormat.Wav:
                    convertedSource = soundInSource.ChangeSampleRate(44100).ToSampleSource().ToWaveSource(16);
                    convertedSource = convertedSource.ToStereo();
                    format          = convertedSource.WaveFormat;
                    waveFormat      = NAudio.Wave.WaveFormat.CreateCustomFormat(WaveFormatEncoding.Pcm, format.SampleRate, format.Channels, format.BytesPerSecond, format.BlockAlign, format.BitsPerSample);
                    break;

                case Classes.SupportedStreamFormat.Mp3_320:
                case Classes.SupportedStreamFormat.Mp3_128:
                case Classes.SupportedStreamFormat.Wav_16bit:
                    convertedSource = soundInSource.ToSampleSource().ToWaveSource(16);
                    convertedSource = convertedSource.ToStereo();
                    format          = convertedSource.WaveFormat;
                    waveFormat      = NAudio.Wave.WaveFormat.CreateCustomFormat(WaveFormatEncoding.Pcm, format.SampleRate, format.Channels, format.BytesPerSecond, format.BlockAlign, format.BitsPerSample);
                    break;

                case Classes.SupportedStreamFormat.Wav_24bit:
                    convertedSource = soundInSource.ToSampleSource().ToWaveSource(24);
                    convertedSource = convertedSource.ToStereo();
                    format          = convertedSource.WaveFormat;
                    waveFormat      = NAudio.Wave.WaveFormat.CreateCustomFormat(WaveFormatEncoding.Pcm, format.SampleRate, format.Channels, format.BytesPerSecond, format.BlockAlign, format.BitsPerSample);
                    break;

                case Classes.SupportedStreamFormat.Wav_32bit:
                    convertedSource = soundInSource.ToSampleSource().ToWaveSource(32);
                    convertedSource = convertedSource.ToStereo();
                    format          = convertedSource.WaveFormat;
                    waveFormat      = NAudio.Wave.WaveFormat.CreateCustomFormat(WaveFormatEncoding.IeeeFloat, format.SampleRate, format.Channels, format.BytesPerSecond, format.BlockAlign, format.BitsPerSample);
                    break;

                default:
                    break;
                }

                logger.Log($"Stream format set to {waveFormat.Encoding} {waveFormat.SampleRate} {waveFormat.BitsPerSample} bit");
                soundInSource.DataAvailable += OnDataAvailable;
                soundIn.Stopped             += OnRecordingStopped;
                soundIn.Start();

                isRecording    = true;
                bufferCaptured = new BufferBlock()
                {
                    Data = new byte[convertedSource.WaveFormat.BytesPerSecond / 2]
                };
                bufferSend = new BufferBlock()
                {
                    Data = new byte[convertedSource.WaveFormat.BytesPerSecond / 2]
                };

                eventThread = new Thread(EventThread)
                {
                    Name         = "Loopback Event Thread",
                    IsBackground = true
                };
                eventThread.Start(new WeakReference <LoopbackRecorder>(this));

                return(true);
            }
            catch (Exception ex)
            {
                logger.Log(ex, "Error initializing the recording device:");
            }

            return(false);
        }