private void start_Click(object sender, System.EventArgs e)
{
FMOD.RESULT result;
result = system.recordStart(selected, sound, true);
ERRCHECK(result);
soundlength = 0;
lastrecordpos = 0;
datalength = 0;
fs = new FileStream("record.wav", FileMode.Create, FileAccess.Write);
/*
* Write out the wav header. As we don't know the length yet it will be 0.
*/
WriteWavHeader(0);
recording = true;
result = sound.getLength(ref soundlength, FMOD.TIMEUNIT.PCM);
ERRCHECK(result);
start.Enabled = false;
}
private void recordButton_Click(object sender, System.EventArgs e)
{
FMOD.RESULT result;
result = system.recordStart(selected, sound, looping);
ERRCHECK(result);
}
private void comboBoxRecord_SelectedIndexChanged(object sender, System.EventArgs e)
{
FMOD.CREATESOUNDEXINFO exinfo = new FMOD.CREATESOUNDEXINFO();
FMOD.RESULT result;
FMOD.DSP_RESAMPLER resampler = FMOD.DSP_RESAMPLER.MAX;
int selected = comboBoxRecord.SelectedIndex;
int temp = 0;
FMOD.SOUND_FORMAT format = FMOD.SOUND_FORMAT.NONE;
result = system.setSoftwareFormat(OUTPUTRATE, FMOD.SOUND_FORMAT.PCM16, 1, 0, 0);
ERRCHECK(result);
result = system.init(32, FMOD.INITFLAGS.NORMAL, (IntPtr)null);
ERRCHECK(result);
result = system.getSoftwareFormat(ref outputfreq, ref format, ref temp, ref temp, ref resampler, ref temp);
ERRCHECK(result);
/*
* Create a sound to record to.
*/
exinfo.cbsize = Marshal.SizeOf(exinfo);
exinfo.numchannels = 1;
exinfo.format = FMOD.SOUND_FORMAT.PCM16;
exinfo.defaultfrequency = OUTPUTRATE;
exinfo.length = (uint)(exinfo.defaultfrequency * 2 * exinfo.numchannels * 5);
result = system.createSound((string)null, (FMOD.MODE._2D | FMOD.MODE.SOFTWARE | FMOD.MODE.LOOP_NORMAL | FMOD.MODE.OPENUSER), ref exinfo, ref sound);
ERRCHECK(result);
comboBoxOutput.Enabled = false;
comboBoxPlayback.Enabled = false;
comboBoxRecord.Enabled = false;
/*
* Start recording
*/
result = system.recordStart(selected, sound, true);
ERRCHECK(result);
Thread.Sleep(200); /* Give it some time to record something */
result = system.playSound(FMOD.CHANNELINDEX.REUSE, sound, false, ref channel);
ERRCHECK(result);
/* Dont hear what is being recorded otherwise it will feedback. Spectrum analysis is done before volume scaling in the DSP chain */
result = channel.setVolume(0);
ERRCHECK(result);
}
IEnumerator RecordCR()
{
int recRate = 0;
int namelen = 255;
System.Text.StringBuilder name = new System.Text.StringBuilder(namelen);
System.Guid guid;
FMOD.SPEAKERMODE speakermode;
FMOD.DRIVER_STATE driverstate;
result = system.getRecordDriverInfo(this.recordDeviceId, name, namelen, out guid, out recRate, out speakermode, out recChannels, out driverstate);
ERRCHECK(result, "system.getRecordDriverInfo");
// compensate the input rate for the current output rate
this.GetComponent <AudioSource>().pitch = ((float)(recRate * recChannels) / (float)(AudioSettings.outputSampleRate * (int)AudioSettings.speakerMode));
exinfo = new FMOD.CREATESOUNDEXINFO();
exinfo.numchannels = recChannels;
exinfo.format = FMOD.SOUND_FORMAT.PCM16;
exinfo.defaultfrequency = recRate;
exinfo.length = (uint)(recRate * sizeof(short) * recChannels);
result = system.createSound(string.Empty, FMOD.MODE.LOOP_NORMAL | FMOD.MODE.OPENUSER, ref exinfo, out sound);
ERRCHECK(result, "system.createSound");
this.GetComponent <AudioSource>().Play();
result = system.recordStart(this.recordDeviceId, sound, true);
ERRCHECK(result, "system.recordStart");
result = sound.getLength(out soundlength, FMOD.TIMEUNIT.PCM);
ERRCHECK(result, "sound.getLength");
this.isRecording = true;
if (this.OnRecordingStarted != null)
{
this.OnRecordingStarted.Invoke(this.gameObjectName);
}
for (;;)
{
result = system.update();
ERRCHECK(result, "system.update", false);
if (this.isPaused)
{
yield return(null);
}
uint recordpos = 0;
system.getRecordPosition(this.recordDeviceId, out recordpos);
ERRCHECK(result, "system.getRecordPosition");
if (recordpos != lastrecordpos)
{
int blocklength;
blocklength = (int)recordpos - (int)lastrecordpos;
if (blocklength < 0)
{
blocklength += (int)soundlength;
}
/*
* Lock the sound to get access to the raw data.
*/
result = sound.@lock((uint)(lastrecordpos * exinfo.numchannels * 2), (uint)(blocklength * exinfo.numchannels * 2), out ptr1, out ptr2, out len1, out len2); /* * exinfo.numchannels * 2 = stereo 16bit. 1 sample = 4 bytes. */
/*
* Write it to output.
*/
if (ptr1.ToInt64() != 0 && len1 > 0)
{
datalength += len1;
byte[] barr = new byte[len1];
Marshal.Copy(ptr1, barr, 0, (int)len1);
this.AddBytesToOutputBuffer(barr);
}
if (ptr2.ToInt64() != 0 && len2 > 0)
{
datalength += len2;
byte[] barr = new byte[len2];
Marshal.Copy(ptr2, barr, 0, (int)len2);
this.AddBytesToOutputBuffer(barr);
}
/*
* Unlock the sound to allow FMOD to use it again.
*/
result = sound.unlock(ptr1, ptr2, len1, len2);
}
lastrecordpos = recordpos;
// print(string.Format("Record buffer pos = {0} : Record time = {1}:{2}", recordpos, datalength / exinfo.defaultfrequency / exinfo.numchannels / 2 / 60, (datalength / exinfo.defaultfrequency / exinfo.numchannels / 2) % 60));
// System.Threading.Thread.Sleep(10);
yield return(null);
}
}
