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Stable audio_stream_async

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This commit is contained in:
Ralty
2025-11-23 13:11:44 +07:00
parent e6bcb144d9
commit 82fb0bcf88
1 changed files with 71 additions and 45 deletions
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source/lime/_internal/backend/native/NativeAudioSource.hx
+71 -45
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@@ -41,6 +41,7 @@ class NativeAudioSource {
public static var STREAM_BUFFER_SAMPLES:Int = 0x2000; // how much buffers will be generating every frequency (doesnt have to be pow of 2?).
public static var STREAM_MIN_BUFFERS:Int = 2; // how much buffers can a stream hold on minimum or starting.
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.
@@ -88,18 +89,6 @@ class NativeAudioSource {
inline private static function getFloat(x:Int64):Float return x.high * 4294967296. + (x.low >> 0);
#if audio_stream_async
static var threadRunning:Bool = false;
static var streamSources:Array<NativeAudioSource> = [];
static var queuedStreamSources:Array<NativeAudioSource> = [];
static var streamHandlerTimer:Timer;
static var streamMutex:Mutex = new Mutex();
static var streamThread:Thread;
var streamRemove:Bool;
#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;
@@ -128,7 +117,6 @@ class NativeAudioSource {
var dataLength:Int;
var duration:Float;
#if !audio_stream_async var streamTimer:Timer; #end
var completeTimer:Timer;
var source:ALSource;
var buffer:ALBuffer;
@@ -137,6 +125,20 @@ class NativeAudioSource {
var arrayType:TypedArrayType;
var loopPoints:Array<Int>; // In Samples
#if audio_stream_async
static var threadRunning:Bool = false;
static var streamSources:Array<NativeAudioSource> = [];
static var queuedStreamSources:Array<NativeAudioSource> = [];
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;
var queuedBuffers:Int;
@@ -160,6 +162,11 @@ class NativeAudioSource {
}
public function dispose() {
#if audio_stream_async
streamMutex.acquire();
removeStream();
#end
stop();
disposed = true;
@@ -168,7 +175,9 @@ class NativeAudioSource {
anglesArray = null;
if (source != null) {
AL.sourcei(source, AL.BUFFER, AL.NONE);
if (streamed) AL.sourceUnqueueBuffers(source, AL.getSourcei(source, AL.BUFFERS_QUEUED));
else AL.sourcei(source, AL.BUFFER, AL.NONE);
AL.deleteSource(source);
source = null;
}
@@ -196,6 +205,8 @@ class NativeAudioSource {
bufferTimes = null;
bufferLengths = null;
#if audio_stream_async streamMutex.release(); #end
}
public function init() {
@@ -213,9 +224,18 @@ class NativeAudioSource {
public function resetBuffer() {
if (parent.buffer == null) return;
#if audio_stream_async
streamMutex.acquire();
removeStream();
#end
stop();
AL.sourcei(source, AL.BUFFER, AL.NONE);
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
final audioBuffer = parent.buffer;
channels = audioBuffer.channels;
@@ -256,7 +276,7 @@ class NativeAudioSource {
final length = STREAM_BUFFER_SAMPLES * channels;
bufferLength = length * wordSize;
if (buffers == null) buffers = AL.genBuffers(STREAM_MAX_BUFFERS);
if (buffers == null) buffers = AL.genBuffers(STREAM_FLUSH_BUFFERS);
if (bufferDatas == null) {
bufferDatas = [];
bufferTimes = [];
@@ -388,7 +408,7 @@ class NativeAudioSource {
}
}
catch (e:haxe.Exception) {
trace('NativeAudioSource readToBufferData Bug! error: ${e.message} | ${e.stack}, streamEnded: $streamEnded, total: $total, n: $n');
trace('NativeAudioSource readToBufferData Bug! error: ${e.message} | ${e.stack.toString()}, streamEnded: $streamEnded, total: $total, n: $n');
return result;
}
@@ -402,9 +422,7 @@ class NativeAudioSource {
function fillBuffers(n:Int) {
final max = STREAM_MAX_BUFFERS - 1;
var i:Int, j:Int, data:ArrayBufferView, pcm:Int64, decoded:Int;
while (n-- > 0 && requestBuffers < STREAM_MAX_BUFFERS && !streamEnded
&& (decoded = readToBufferData(data = bufferDatas[i = max - requestBuffers], pcm = streamTell())) > 0)
{
while (n-- > 0 && !streamEnded && (decoded = readToBufferData(data = bufferDatas[i = max - requestBuffers], pcm = streamTell())) > 0) {
j = i;
while (i < max) {
bufferDatas[i] = bufferDatas[++j];
@@ -421,12 +439,12 @@ class NativeAudioSource {
inline function flushBuffers() {
var i = STREAM_MAX_BUFFERS - (requestBuffers - queuedBuffers);
while (queuedBuffers < requestBuffers) {
while (queuedBuffers < STREAM_FLUSH_BUFFERS && queuedBuffers < requestBuffers) {
AL.bufferData(buffers[nextBuffer], format, bufferDatas[i], bufferLengths[i], sampleRate);
AL.sourceQueueBuffer(source, buffers[nextBuffer]);
if (++nextBuffer == STREAM_MAX_BUFFERS) nextBuffer = 0;
i++;
if (++nextBuffer == STREAM_FLUSH_BUFFERS) nextBuffer = 0;
queuedBuffers++;
i++;
}
}
@@ -438,24 +456,23 @@ 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
final sec = time / 1000;
if (!force) {
var bufferTime:Float;
for (i in (STREAM_MAX_BUFFERS - queuedBuffers)...STREAM_MAX_BUFFERS)
for (i in (STREAM_MAX_BUFFERS - requestBuffers)...(STREAM_MAX_BUFFERS - STREAM_MIN_BUFFERS))
if (sec >= (bufferTime = bufferTimes[i]) && sec < bufferTime + (bufferLengths[i] / wordSize / channels / sampleRate))
{
#if audio_stream_async streamMutex.acquire(); #end
skipBuffers(i - STREAM_MAX_BUFFERS + queuedBuffers);
skipBuffers(i - STREAM_MAX_BUFFERS + requestBuffers);
AL.sourcei(source, AL.SAMPLE_OFFSET, Math.floor((sec - bufferTime) * sampleRate));
fillBuffers(STREAM_MIN_BUFFERS - STREAM_MAX_BUFFERS + i);
#if audio_stream_async streamMutex.release(); #end
return flushBuffers();
return;
}
}
AL.sourceUnqueueBuffers(source, AL.getSourcei(source, AL.BUFFERS_QUEUED));
#if audio_stream_async streamMutex.acquire(); #end
streamEnded = false;
streamSeek(Int64.fromFloat(sec * sampleRate));
@@ -467,17 +484,20 @@ class NativeAudioSource {
#if audio_stream_async
static function streamThreadRun() {
var i:Int, source:NativeAudioSource, process:Int;
var i:Int, source:NativeAudioSource, process:Int, v:Int;
while ((i = Thread.readMessage(true)) != 0) {
streamMutex.acquire();
while (i-- > 0) {
if ((source = streamSources[i]).parent.buffer == null) {
if ((source = streamSources[i]).streamRemove) continue;
else if (source.parent.buffer == null) {
source.stopStream();
continue;
}
process = source.requestBuffers < STREAM_MIN_BUFFERS ? STREAM_MIN_BUFFERS - source.requestBuffers : 0;
source.fillBuffers(STREAM_PROCESS_BUFFERS > process ? STREAM_PROCESS_BUFFERS : process);
process = STREAM_PROCESS_BUFFERS > process ? STREAM_PROCESS_BUFFERS : process;
if ((process = (v = STREAM_MAX_BUFFERS - source.requestBuffers) > process ? process : v) > 0) source.fillBuffers(process);
}
streamMutex.release();
}
@@ -488,9 +508,14 @@ class NativeAudioSource {
static function streamHandlerRun() {
if (!streamMutex.tryAcquire()) return;
var i = streamSources.length, source:NativeAudioSource;
var i = queuedStreamSources.length, source:NativeAudioSource;
while (i-- > 0) streamSources.push(queuedStreamSources[i]);
queuedStreamSources.resize(0);
i = streamSources.length;
while (i-- > 0) {
if ((source = streamSources[i]).source == null) source.stopStream();
if ((source = streamSources[i]).streamRemove || source.source == null)
source.removeStream();
else {
source.skipBuffers(AL.getSourcei(source.source, AL.BUFFERS_PROCESSED));
source.flushBuffers();
@@ -499,16 +524,10 @@ class NativeAudioSource {
AL.sourcePlay(source.source);
source.updateCompleteTimer();
}
if (source.streamEnded) source.stopStream();
if (source.streamEnded) source.removeStream();
}
if (source.streamRemove) streamSources.remove(source);
}
i = queuedStreamSources.length;
while (i-- > 0) streamSources.push(queuedStreamSources[i]);
queuedStreamSources.resize(0);
streamMutex.release();
if (streamSources.length == 0) streamHandlerTimer.stop();
@@ -516,15 +535,21 @@ class NativeAudioSource {
streamThread.sendMessage(streamSources.length);
}
function stopStream() {
function removeStream() {
streamRemove = false;
queuedStreamSources.remove(this);
streamSources.remove(this);
}
function stopStream() {
streamRemove = true;
queuedStreamSources.remove(this);
}
function resetStream() {
streamRemove = false;
if (!queuedStreamSources.contains(this) && !streamSources.contains(this)) {
queuedStreamSources.push(this);
streamRemove = false;
if (streamHandlerTimer == null || !streamHandlerTimer.mRunning)
streamHandlerTimer = resetTimer(streamHandlerTimer, STREAM_TIMER_CHECK_MS, streamHandlerRun);
}
@@ -536,8 +561,9 @@ class NativeAudioSource {
skipBuffers(AL.getSourcei(source, AL.BUFFERS_PROCESSED));
final process = requestBuffers < STREAM_MIN_BUFFERS ? STREAM_MIN_BUFFERS - requestBuffers : 0;
fillBuffers(STREAM_PROCESS_BUFFERS > process ? STREAM_PROCESS_BUFFERS : process);
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) {