internal HolofunkBassAsioInput(HolofunkBassAsio bassAsio, int asioChannel, BufferAllocator<float> audioAllocator)
{
m_bassAsio = bassAsio;
m_asioChannel = asioChannel;
// buffer one second's worth of audio; that will always be more than we need to look at
m_recentPastStream = new DenseSampleFloatStream(
default(Time<Sample>),
audioAllocator,
1, // input channels are mono
maxBufferedDuration: Clock.TimepointRateHz);
m_inputToInputPushStreamAsioProc = new ASIOPROC(InputToInputPushStreamAsioProc);
// create input push stream; this receives data pushed from ASIO's input, and feeds the mixer
m_inputPushStream = (StreamHandle)Bass.BASS_StreamCreatePush(
Clock.TimepointRateHz,
HolofunkBassAsio.InputChannelCount,
BASSFlag.BASS_STREAM_DECODE | BASSFlag.BASS_SAMPLE_FLOAT,
new IntPtr(m_asioChannel));
// connect to ASIO input channel
CheckError(BassAsio.BASS_ASIO_ChannelEnable(
HolofunkBassAsio.IsInputChannel,
m_asioChannel,
m_inputToInputPushStreamAsioProc,
new IntPtr(m_asioChannel)));
// join right channel if we have more than one input channel
// (this is not generalized for >stereo)
if (HolofunkBassAsio.InputChannelCount == 2) {
CheckError(BassAsio.BASS_ASIO_ChannelJoin(HolofunkBassAsio.IsInputChannel, 1, m_asioChannel));
}
// set format and rate of input channel
CheckError(BassAsio.BASS_ASIO_ChannelSetFormat(HolofunkBassAsio.IsInputChannel, m_asioChannel, BASSASIOFormat.BASS_ASIO_FORMAT_FLOAT));
CheckError(BassAsio.BASS_ASIO_ChannelSetRate(HolofunkBassAsio.IsInputChannel, m_asioChannel, Clock.TimepointRateHz));
// add input push stream to mixer
CheckError(BassMix.BASS_Mixer_StreamAddChannel(
(int)m_bassAsio.MixerHStream,
(int)m_inputPushStream,
BASSFlag.BASS_MIXER_DOWNMIX | BASSFlag.BASS_MIXER_NORAMPIN));
// set up the input effects (aka microphone effects)
m_inputPushEffects = AllEffects.CreateLoopEffectSet(m_inputPushStream, m_bassAsio.BaseForm);
// connect peak level meter to input push stream
m_plmRec = new DSP_PeakLevelMeter((int)m_inputPushStream, 0);
m_plmRec.Notification += new EventHandler(Plm_Rec_Notification);
// Register DSPPROC handler for input channel. Make sure to hold the DSPPROC itself.
// See documentation for BassAsioHandler.InputChannel
m_inputDspProc = new DSPPROC(InputDspProc);
// set up our recording DSP -- priority 10 hopefully means "run first first first!"
CheckError(Bass.BASS_ChannelSetDSP((int)m_inputPushStream, m_inputDspProc, new IntPtr(0), 10) != 0);
}
public HolofunkBass(Clock clock, BufferAllocator<float> audioAllocator)
{
m_clock = clock;
m_audioAllocator = audioAllocator;
m_asio = new HolofunkBassAsio(this);
}