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Fix Mismatching Audio Streamed Buffer Size

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This commit is contained in:
Ralty
2025-07-13 21:10:42 +07:00
parent e669eb32af
commit 2ead99cdf4
3 changed files with 19 additions and 17 deletions
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source/lime/_internal/backend/native/NativeAudioSource.hx
+9 -6
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@@ -25,7 +25,7 @@ import lime.utils.ArrayBufferView;
@:access(lime.media.AudioBuffer)
@:access(lime.utils.ArrayBufferView)
class NativeAudioSource {
private static var STREAM_BUFFER_SIZE:Int = 0x4000; // what if it was odd channels (excluding mono).
private static var STREAM_BUFFER_SIZE:Int = 0x1000;
private static var STREAM_MAX_BUFFERS:Int = 32;
private static var STREAM_TIMER_FREQUENCY:Int = 100;
private static var STREAM_BUFFER_FREQUENCY:Int = 6;
@@ -47,6 +47,7 @@ class NativeAudioSource {
private var bufferDatas:Array<ArrayBufferView>;
private var bufferTimes:Array<Float>;
private var bufferSizes:Array<Int>;
private var bufferSize:Int;
private var requestBuffers:Int;
private var queuedBuffers:Int;
private var toLoop:Int;
@@ -107,11 +108,13 @@ class NativeAudioSource {
dataLength = (samples = getFloat(buffer.__srcVorbisFile.pcmTotal())) * buffer.channels * (buffer.bitsPerSample >> 3);
var constructor = buffer.bitsPerSample == 32 ? Int32 : buffer.bitsPerSample == 16 ? Int16 : Int8;
bufferSize = STREAM_BUFFER_SIZE * buffer.channels * (constructor == Int8 ? buffer.bitsPerSample >> 3 : 1);
buffers = AL.genBuffers(STREAM_MAX_BUFFERS);
bufferDatas = [for (i in 0...STREAM_MAX_BUFFERS) new ArrayBufferView(STREAM_BUFFER_SIZE, constructor)];
bufferDatas = [for (i in 0...STREAM_MAX_BUFFERS) new ArrayBufferView(bufferSize, constructor)];
bufferTimes = [for (i in 0...STREAM_MAX_BUFFERS) 0];
bufferSizes = [for (i in 0...STREAM_MAX_BUFFERS) 0];
unusedBuffers = [];
bufferSize *= constructor == Int8 ? 1 : buffer.bitsPerSample >> 3;
}
else #end {
streamed = false;
@@ -184,10 +187,10 @@ class NativeAudioSource {
#if lime_vorbis
var isBigEndian = lime.system.System.endianness == lime.system.Endian.BIG_ENDIAN, wordSize = parent.buffer.bitsPerSample >> 3;
var size = dataLength - (streamTell() * parent.buffer.sampleRate * parent.buffer.channels * wordSize);
var n:Int = size < STREAM_BUFFER_SIZE ? Math.floor(size) : STREAM_BUFFER_SIZE;
var n:Int = size < bufferSize ? Math.floor(size) : bufferSize;
var total = 0, result = 0, wasEOF = false;
while (total < STREAM_BUFFER_SIZE) {
while (total < bufferSize) {
result = n > 0 ? parent.buffer.__srcVorbisFile.read(data.buffer, total, n, isBigEndian, wordSize, true) : 0;
if (result == Vorbis.HOLE) continue;
@@ -200,7 +203,7 @@ class NativeAudioSource {
var samples = getSamples(loopTime != null ? loopTime + parent.offset : parent.offset);
streamSeek(samples);
if ((size = dataLength - (getFloat(samples) * parent.buffer.channels * wordSize)) < (n = STREAM_BUFFER_SIZE - total))
if ((size = dataLength - (getFloat(samples) * parent.buffer.channels * wordSize)) < (n = bufferSize - total))
n = Math.floor(size);
}
}
@@ -211,7 +214,7 @@ class NativeAudioSource {
}
}
if (total < STREAM_BUFFER_SIZE) data.buffer.fill(total, n, 0);
if (total < bufferSize) data.buffer.fill(total, n, 0);
if (result < 0) {
trace('NativeAudioSource Streaming Bug! reading result is $result');
return result;