protected internal override void BeginRecording(RecordingSession session)
{
var dspName = "RecordSessionVideo(Audio)".ToCharArray();
Array.Resize(ref dspName, 32);
dspCallback = DspReadCallback;
var dspDescription = new DSP_DESCRIPTION
{
version = 0x00010000,
name = dspName,
numinputbuffers = 1,
numoutputbuffers = 1,
read = dspCallback,
numparameters = 0
};
FMOD.System system = RuntimeManager.CoreSystem;
CheckError(system.getMasterChannelGroup(out ChannelGroup masterGroup));
CheckError(masterGroup.getDSP(CHANNELCONTROL_DSP_INDEX.TAIL, out DSP masterDspTail));
CheckError(masterDspTail.getChannelFormat(out CHANNELMASK channelMask, out int numChannels,
out SPEAKERMODE sourceSpeakerMode));
if (RecorderOptions.VerboseMode)
{
Debug.Log(
$"(UnityRecorder) Listening to FMOD Audio. Setting DSP to [{channelMask}] [{numChannels}] [{sourceSpeakerMode}]");
}
// Create a new DSP with the format of the existing master group.
CheckError(system.createDSP(ref dspDescription, out dsp));
CheckError(dsp.setChannelFormat(channelMask, numChannels, sourceSpeakerMode));
CheckError(masterGroup.addDSP(CHANNELCONTROL_DSP_INDEX.TAIL, dsp));
// Fill in some basic information for the Unity audio encoder.
mChannelCount = (ushort)numChannels;
CheckError(system.getDriver(out int driverId));
CheckError(system.getDriverInfo(driverId, out Guid _, out int systemRate, out SPEAKERMODE _, out int _));
mSampleRate = systemRate;
if (RecorderOptions.VerboseMode)
{
Debug.Log($"FmodAudioInput.BeginRecording for capture frame rate {Time.captureFramerate}");
}
if (audioSettings.PreserveAudio)
{
AudioRenderer.Start();
}
}
private void CreateInputReadDsp()
{
this.callback = this.ReadCallback;
var dspdesc = new DSP_DESCRIPTION();
dspdesc.numinputbuffers = 1;
dspdesc.numoutputbuffers = 1;
dspdesc.read = this.callback;
this.fmodSystem.createDSP(ref dspdesc, out this.recordDsp);
}
