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Forums > CSDb Entries > Release id #160971 : Tiny'R'Sid [reloaded]

2023-05-12 17:09

spider-j

Registered: Oct 2004
Posts: 498

Release id #160971 : Tiny'R'Sid [reloaded]

Is there an easy way using this as JS sidplayer like jsSID-0.9.1?
I found a current repo at https://bitbucket.org/wothke/websid/src/master/ but can't build it on linux.

Even if I could: is there an easy way to play SID tunes with it? I looked at the JS includes of deepsid, but couldn't figure it out.

Is there a simple "play", "stop", "pause" API of some kind?

Thanks!
spider.

2023-05-24 10:38

spider-j

Registered: Oct 2004
Posts: 498

Okay, answering this for myself (and maybe the next one who stumbles over this thread), it's quite a complicated process. I peeked at deepsid to find this solution:

1. make sure your webserver correctly serves .wasm files

2. git clone https://bitbucket.org/wothke/websid.git
and git clone https://bitbucket.org/wothke/webaudio-player.git

3. copy "scriptprocessor_player.js" from webaudio-player to your JavaScript directory and include it in your webpage

4. copy "htdocs/backend_tinyrsid.js" from websid to your JavaScript directory and include it in your webpage

5. copy "htdocs/tinyrsid.wasm" from websid to your web root directory

6. include base64 encoded versions of C64 BASIC, CHARSET and KERNAL ROMS as variables in your JavaScript (usually /usr/share/vice/C64/basic, /usr/share/vice/C64/chargen, /usr/share/vice/C64/kernal)

var BASIC_ROM = ... $INSERT_BASE64_BASIC_HERE$ ...;
var CHAR_ROM = ... $INSERT_BASE64_CHARGEN_HERE$ ...;
var KERNAL_ROM = ... $INSERT_BASE64_KERNAL_HERE$ ...;

7. in your JavaScript you can make a wrapper class for simple load and stop actions:

var playerWrapper = function ()
{
    var _ = this;

    _.webSidBackend = new SIDBackendAdapter(BASIC_ROM, CHAR_ROM, KERNAL_ROM);
    window.ScriptNodePlayer.createInstance(
        _.webSidBackend,
        '',
        [],
        false,
        (function(){}),
        (function(){}),
        (function(){}),
        undefined,
        undefined,
        16384
    );
    _.webSid = window.ScriptNodePlayer.getInstance();

    _.play = function (link, subtune)
    {
        if (typeof(subtune) === "undefined") subtune = 0;

        _.webSid.loadMusicFromURL(link, options, (function(){}), (function(){}), (function(){}));
    }

    _.stop = function ()
    {
        _.webSid.pause();
    }
}

8. You can then call simple play() and stop() functions like so:

var player = new playerWrapper();

// play a SID, subtune is optional
player.play(url, subtune);

// stop a playing SID
player.stop();

2023-05-24 15:54

JackAsser

Registered: Jun 2002
Posts: 2014

Not only is subtune optional, it's not even used. :)

But thanks for the info spider!

2023-05-24 16:18

spider-j

Registered: Oct 2004
Posts: 498

Quoting JackAsser

Not only is subtune optional, it's not even used. :)

Oh, you're right. That happens when you "on the fly" cut out pieces of a larger code and paste it together again.

This should work:

var playerWrapper = function ()
{
    var _ = this;

    _.webSidBackend = new SIDBackendAdapter(BASIC_ROM, CHAR_ROM, KERNAL_ROM);
    window.ScriptNodePlayer.createInstance(
        _.webSidBackend,
        '',
        [],
        false,
        (function(){}),
        (function(){}),
        (function(){}),
        undefined,
        undefined,
        16384
    );
    _.webSid = window.ScriptNodePlayer.getInstance();

    _.play = function (link, subtune)
    {
        if (typeof(subtune) === "undefined") subtune = 0;

        var options = {
            track: subtune
        };

        _.webSid.loadMusicFromURL(link, options, (function(){}), (function(){}), (function(){}));
    }

    _.stop = function ()
    {
        _.webSid.pause();
    }
}

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