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@@ -0,0 +1,97 @@
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+package hxd.snd;
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+
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+#if hxsdl
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+private class ChannelMapper extends sdl.SoundChannel {
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+ var native : NativeChannel;
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+ public function new(samples, native) {
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+ super(samples);
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+ this.native = native;
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+ }
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+ override function onSample( buf : cpp.Pointer<cpp.UInt8>, len : Int ) {
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+ var data : haxe.io.BytesData = null;
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+ untyped __cpp__('
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+ Array_obj<unsigned char> *o = new Array_obj<unsigned char>((char * ) buf.ptr, len);
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+ data = Array<unsigned char>(o);
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+ ');
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+ @:privateAccess native.onSample(haxe.io.Float32Array.fromBytes(haxe.io.Bytes.ofData(data)));
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+ }
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+}
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+#end
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+
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+class NativeChannel {
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+
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+ #if flash
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+ var snd : flash.media.Sound;
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+ var channel : flash.media.SoundChannel;
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+ #elseif js
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+ static var ctx : js.html.audio.AudioContext;
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+ var sproc : js.html.audio.ScriptProcessorNode;
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+ var tmpBuffer : haxe.io.Float32Array;
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+ #elseif hxsdl
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+ var channel : ChannelMapper;
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+ #end
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+ public var bufferSamples(default, null) : Int;
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+
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+ public function new( bufferSamples : Int ) {
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+ this.bufferSamples = bufferSamples;
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+ #if flash
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+ snd = new flash.media.Sound();
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+ snd.addEventListener(flash.events.SampleDataEvent.SAMPLE_DATA, onFlashSample);
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+ channel = snd.play(0, 0x7FFFFFFF);
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+ #elseif js
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+ if( ctx == null )
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+ ctx = new js.html.audio.AudioContext();
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+ sproc = ctx.createScriptProcessor(bufferSamples, 2, 2);
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+ tmpBuffer = new haxe.io.Float32Array(bufferSamples * 2);
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+ sproc.connect(ctx.destination);
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+ sproc.onaudioprocess = onJsSample;
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+ #elseif hxsdl
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+ channel = new ChannelMapper(bufferSamples, this);
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+ #end
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+ }
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+
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+ #if flash
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+ function onFlashSample( event : flash.events.SampleDataEvent ) {
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+ var buf = event.data;
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+ buf.length = bufferSamples * 2 * 4;
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+ onSample(haxe.io.Float32Array.fromBytes(haxe.io.Bytes.ofData(buf)));
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+ }
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+ #end
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+
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+ #if js
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+ function onJsSample( event : js.html.audio.AudioProcessingEvent ) {
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+ onSample(tmpBuffer);
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+ // split the channels and copy to output
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+ var r = 0;
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+ var left = event.outputBuffer.getChannelData(0);
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+ var right = event.outputBuffer.getChannelData(1);
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+ for( i in 0...bufferSamples ) {
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+ left[i] = tmpBuffer[r++];
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+ right[i] = tmpBuffer[r++];
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+ }
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+ }
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+ #end
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+
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+ function onSample( out : haxe.io.Float32Array ) {
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+ }
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+
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+ public function stop() {
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+ #if flash
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+ if( channel != null ) {
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+ channel.stop();
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+ channel = null;
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+ }
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+ #elseif js
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+ if( sproc != null ) {
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+ sproc.disconnect();
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+ sproc = null;
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+ }
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+ #elseif hxsdl
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+ if( channel != null ) {
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+ channel.stop();
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+ channel = null;
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+ }
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+ #end
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+ }
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+
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+}
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Nicolas Cannasse