Skip to content

Implement WebAudio methods for timing #22

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
squarebananas wants to merge 4 commits into
base: main
Choose a base branch
from
Open

Implement WebAudio methods for timing #22

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
8ecb131
BaseAudioContext.CurrentTime
squarebananas Apr 25, 2026
6914415
AudioBufferSourceNode.Start
squarebananas Apr 25, 2026
e7f4f75
AudioBuffer.Duration
squarebananas Apr 25, 2026
fb2dd6a
normalize js
squarebananas Apr 25, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 5 additions & 0 deletions Wasm.Audio/Audio/AudioBuffer.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,11 @@ public int Length
get { return InvokeRetInt("nkAudioBuffer.GetLength"); }
}

public double Duration
{
get { return InvokeRetDouble("nkAudioBuffer.GetDuration"); }
}

public int NumberOfChannels
{
get { return InvokeRetInt("nkAudioBuffer.GetNumberOfChannels"); }
Expand Down
5 changes: 5 additions & 0 deletions Wasm.Audio/Audio/AudioBufferSourceNode.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,11 @@ public AudioParam PlaybackRate
}
}

public void Start(double when = 0d, double offset = 0d, double duration = 0d)
{
Invoke("nkAudioBufferSourceNode.Start", when, offset, duration);
}

protected override void Dispose(bool disposing)
{
if (disposing)
Expand Down
9 changes: 9 additions & 0 deletions Wasm.Audio/Audio/BaseAudioContext.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,15 @@ public int SampleRate
}
}

public double CurrentTime
{
get
{
double currentTime = InvokeRetDouble("nkAudioBaseContext.GetCurrentTime");
return currentTime;
}
}

public AudioDestinationNode Destination
{
get
Expand Down
25 changes: 24 additions & 1 deletion Wasm.Audio/wwwroot/js/Audio.8.0.11.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
{
Create: function()
{
var ac = new AudioContext();
var ac = new AudioContext();
return nkJSObject.RegisterObject(ac);
},
Create1: function(sampleRate)
Expand Down Expand Up @@ -63,6 +63,12 @@ window.nkAudioBaseContext =
var sr = ac.sampleRate;
return sr;
},
GetCurrentTime: function(uid, d)
{
var ac = nkJSObject.GetObject(uid);
var ct = ac.currentTime;
return ct;
},
GetDestination: function(uid, d)
{
var ac = nkJSObject.GetObject(uid);
Expand Down Expand Up @@ -183,6 +189,12 @@ window.nkAudioBuffer =
var ln = ab.length;
return ln;
},
GetDuration: function(uid, d)
{
var ab = nkJSObject.GetObject(uid);
var du = ab.duration;
return du;
},
GetNumberOfChannels: function(uid, d)
{
var ab = nkJSObject.GetObject(uid);
Expand Down Expand Up @@ -288,6 +300,17 @@ window.nkAudioBufferSourceNode =
var bs = nkJSObject.GetObject(uid);
var pr = bs.playbackRate;
return nkJSObject.RegisterObject(pr);
},
Start: function(uid, d)
{
var bs = nkJSObject.GetObject(uid);
var wh = Module.HEAPF64[(d+ 0) >> 3];
var os = Module.HEAPF64[(d+ 8) >> 3];
var du = Module.HEAPF64[(d+ 16) >> 3];
if (du > 0)
bs.start(wh, os, du);
else
bs.start(wh, os);
}
};

Expand Down