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I've been playing around with CefSharp and I can't seem to make any audio play. I can make the audio controls appear, but they remain frozen.
These are the versions I use:
Chromium: 21.0.1180.0, CEF: r728, CefSharp: 0.12.4596.50
I tried first .mp3, then .ogg, and finally .wav, but none would work.
This is the HTML and audio I load when trying with .ogg:
public bool OnBeforeResourceLoad(IWebBrowser browser,
IRequestResponse requestResponse)
{
IRequest request = requestResponse.Request;
if (request.Url.EndsWith(".gif")) {
MemoryStream stream = new MemoryStream();
Properties.Resources.cursor_test.Save(stream,
System.Drawing.Imaging.ImageFormat.Bmp);
requestResponse.RespondWith(stream, "image/gif");
}
else if (request.Url.EndsWith(".ogg")) {
MemoryStream stream = new MemoryStream(Properties.Resources.foo);
requestResponse.RespondWith(stream, "audio/ogg");
}
else {
Stream resourceStream = new MemoryStream(Encoding.UTF8.GetBytes(
@"<!DOCTYPE html>
<html>
<body>
<img src=""bla1/bla2/foo.gif"" />
<audio controls=""controls"" autoplay=""autoplay"">
<source src=""foo.ogg"" />
</audio>
</body>
</html>"));
requestResponse.RespondWith(resourceStream, "text/html");
}
return false;
}
This is what Chromium looks like:
I read that perhaps with Chromium only open formats are supported. I also read the perhaps audio is just not available for now.
What is the current state of <audio /> in Chromium and CEF?
By default, the support for MP3 audio is disabled for legal reasons.
You can enable it by rebuilding CEF. See the details here:
Chromium Embedded Framework MP3 support