From 7d186d2203134667027eeff759bcc6dc99fdd011 Mon Sep 17 00:00:00 2001
From: Ralty <78720179+Raltyro@users.noreply.github.com>
Date: Wed, 26 Nov 2025 18:43:43 +0700
Subject: [PATCH] Stable Streaming Audio
---
project.xml | 1 -
.../backend/native/NativeAudioSource.hx | 101 +++++++-----------
2 files changed, 39 insertions(+), 63 deletions(-)
diff --git a/project.xml b/project.xml
index 57ccff0a..3d6399a1 100644
--- a/project.xml
+++ b/project.xml
@@ -188,7 +188,6 @@
-
diff --git a/source/lime/_internal/backend/native/NativeAudioSource.hx b/source/lime/_internal/backend/native/NativeAudioSource.hx
index 8a180e40..9bf0abf2 100644
--- a/source/lime/_internal/backend/native/NativeAudioSource.hx
+++ b/source/lime/_internal/backend/native/NativeAudioSource.hx
@@ -1,8 +1,12 @@
package lime._internal.backend.native;
+import sys.thread.Thread;
+import sys.thread.Mutex;
+
import haxe.Timer;
import haxe.Int64;
+import lime.app.Application;
import lime.media.openal.AL;
import lime.media.openal.ALBuffer;
import lime.media.openal.ALSource;
@@ -23,11 +27,6 @@ import lime.utils.ArrayBuffer;
import lime.utils.ArrayBufferView.TypedArrayType;
import lime.utils.ArrayBufferView;
-#if audio_stream_async
-import sys.thread.Thread;
-import sys.thread.Mutex;
-#end
-
#if !lime_debug
@:fileXml('tags="haxe,release"')
@:noDebug
@@ -43,7 +42,6 @@ class NativeAudioSource {
public static var STREAM_MAX_BUFFERS:Int = 8; // how much limit of a buffers can be used for streamed audios, must be higher than minimum.
public static var STREAM_FLUSH_BUFFERS:Int = 3; // how much buffers can it play.
public static var STREAM_PROCESS_BUFFERS:Int = 2; // how much buffers can be processed in a frequency tick.
- public static var STREAM_TIMER_CHECK_MS:Int = 100; // determines how milliseconds to update the buffers if available.
public static var MAX_POOL_BUFFERS:Int = 32; // how much buffers for the pool to hold.
public static var moreFormatsSupported:Null;
@@ -89,6 +87,14 @@ class NativeAudioSource {
inline private static function getFloat(x:Int64):Float return x.high * 4294967296. + (x.low >> 0);
+ inline private static function gc() {
+ #if neko
+ neko.vm.Gc.run(false);
+ #elseif cpp
+ cpp.vm.Gc.run(false);
+ #end
+ }
+
// Backward Compatibility Variables
var handle(get, set):ALSource; inline function get_handle() return source; inline function set_handle(v) return source = v;
var timer(get, set):Timer; inline function get_timer() return completeTimer; inline function set_timer(v) return completeTimer = v;
@@ -125,19 +131,14 @@ class NativeAudioSource {
var arrayType:TypedArrayType;
var loopPoints:Array; // In Samples
- #if audio_stream_async
static var threadRunning:Bool = false;
static var streamSources:Array = [];
static var queuedStreamSources:Array = [];
- static var streamHandlerTimer:Timer;
static var streamMutex:Mutex = new Mutex();
static var streamThread:Thread;
var streamRemove:Bool;
- #else
- var streamTimer:Timer;
- #end
var bufferLength:Int; // Size in bytes for current streamed audio buffers.
var requestBuffers:Int;
@@ -162,10 +163,8 @@ class NativeAudioSource {
}
public function dispose() {
- #if audio_stream_async
streamMutex.acquire();
removeStream();
- #end
stop();
disposed = true;
@@ -201,12 +200,11 @@ class NativeAudioSource {
}
completeTimer = null;
- #if !audio_stream_async streamTimer = null; #end
bufferTimes = null;
bufferLengths = null;
- #if audio_stream_async streamMutex.release(); #end
+ streamMutex.release();
}
public function init() {
@@ -225,17 +223,15 @@ class NativeAudioSource {
public function resetBuffer() {
if (parent.buffer == null) return;
- #if audio_stream_async
streamMutex.acquire();
removeStream();
- #end
stop();
if (streamed) AL.sourceUnqueueBuffers(source, AL.getSourcei(source, AL.BUFFERS_QUEUED));
else AL.sourcei(source, AL.BUFFER, AL.NONE);
- #if audio_stream_async streamMutex.release(); #end
+ streamMutex.release();
final audioBuffer = parent.buffer;
channels = audioBuffer.channels;
@@ -456,7 +452,7 @@ class NativeAudioSource {
function snapBuffersToTime(time:Float, force:Bool) {
if (source == null || parent.buffer == null || parent.buffer.__srcVorbisFile == null) return;
- #if audio_stream_async streamMutex.acquire(); #end
+ streamMutex.acquire();
final sec = time / 1000;
if (!force) {
@@ -466,8 +462,7 @@ class NativeAudioSource {
{
skipBuffers(i - STREAM_MAX_BUFFERS + requestBuffers);
AL.sourcei(source, AL.SAMPLE_OFFSET, Math.floor((sec - bufferTime) * sampleRate));
- #if audio_stream_async streamMutex.release(); #end
- return;
+ return streamMutex.release();
}
}
@@ -479,10 +474,9 @@ class NativeAudioSource {
requestBuffers = queuedBuffers = streamLoops = nextBuffer = 0;
fillBuffers(STREAM_MIN_BUFFERS);
flushBuffers();
- #if audio_stream_async streamMutex.release(); #end
+ streamMutex.release();
}
- #if audio_stream_async
static function streamThreadRun() {
var i:Int, source:NativeAudioSource, process:Int, v:Int;
@@ -500,13 +494,14 @@ class NativeAudioSource {
if ((process = (v = STREAM_MAX_BUFFERS - source.requestBuffers) > process ? process : v) > 0) source.fillBuffers(process);
}
streamMutex.release();
+ gc();
}
threadRunning = false;
}
- static function streamHandlerRun() {
- if (!streamMutex.tryAcquire()) return;
+ static function streamUpdate(_:Int) {
+ final acquired = streamMutex.tryAcquire();
var i = queuedStreamSources.length, source:NativeAudioSource;
while (i-- > 0) streamSources.push(queuedStreamSources[i]);
@@ -514,25 +509,33 @@ class NativeAudioSource {
i = streamSources.length;
while (i-- > 0) {
- if ((source = streamSources[i]).streamRemove || source.source == null)
- source.removeStream();
+ if ((source = streamSources[i]).streamRemove) {
+ if (acquired) source.removeStream();
+ else continue;
+ }
+ else if (source.source == null) {
+ if (acquired) source.removeStream();
+ else source.stopStream();
+ }
else {
- source.skipBuffers(AL.getSourcei(source.source, AL.BUFFERS_PROCESSED));
+ if (acquired) source.skipBuffers(AL.getSourcei(source.source, AL.BUFFERS_PROCESSED));
source.flushBuffers();
-
if (AL.getSourcei(source.source, AL.SOURCE_STATE) == AL.STOPPED) {
AL.sourcePlay(source.source);
source.updateCompleteTimer();
}
- if (source.streamEnded) source.removeStream();
}
}
- streamMutex.release();
-
- if (streamSources.length == 0) streamHandlerTimer.stop();
- else if (threadRunning || (threadRunning = (streamThread = Thread.create(streamThreadRun)) != null))
- streamThread.sendMessage(streamSources.length);
+ if (acquired) {
+ streamMutex.release();
+ if (streamSources.length == 0) {
+ Application.current.onUpdate.remove(streamUpdate);
+ if (threadRunning) streamThread.sendMessage(0);
+ }
+ else if (threadRunning || (threadRunning = (streamThread = Thread.create(streamThreadRun)) != null))
+ streamThread.sendMessage(streamSources.length);
+ }
}
function removeStream() {
@@ -550,35 +553,9 @@ class NativeAudioSource {
streamRemove = false;
if (!queuedStreamSources.contains(this) && !streamSources.contains(this)) {
queuedStreamSources.push(this);
- if (streamHandlerTimer == null || !streamHandlerTimer.mRunning)
- streamHandlerTimer = resetTimer(streamHandlerTimer, STREAM_TIMER_CHECK_MS, streamHandlerRun);
+ if (!Application.current.onUpdate.has(streamUpdate)) Application.current.onUpdate.add(streamUpdate);
}
}
- #else
- function streamRun() {
- if (source == null || parent.buffer == null || parent.buffer.__srcVorbisFile == null)
- return streamTimer.stop();
-
- skipBuffers(AL.getSourcei(source, AL.BUFFERS_PROCESSED));
-
- var process = requestBuffers < STREAM_MIN_BUFFERS ? STREAM_MIN_BUFFERS - requestBuffers : 0, v = STREAM_MAX_BUFFERS - requestBuffers;
- process = STREAM_PROCESS_BUFFERS > process ? STREAM_PROCESS_BUFFERS : process;
- if ((process = v > process ? process : v) > 0) fillBuffers(process);
- flushBuffers();
-
- if (AL.getSourcei(source, AL.SOURCE_STATE) == AL.STOPPED) {
- AL.sourcePlay(source);
- updateCompleteTimer();
- }
- if (streamEnded) streamTimer.stop();
- }
-
- function stopStream() if (streamTimer != null) streamTimer.stop();
-
- function resetStream()
- if (streamTimer == null || !streamTimer.mRunning)
- streamTimer = resetTimer(streamTimer, STREAM_TIMER_CHECK_MS, streamRun);
- #end
function timer_onRun() {
final pitch = getPitch();