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Polish AudioAnalyzer & fix 8-bit detection

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Ralty
2025-07-15 01:23:52 +07:00
parent 7f3d976ac6
commit bffb147cc2
2 changed files with 88 additions and 37 deletions
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source/openfl/media/SoundChannel.hx
+18 -14
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@@ -8,8 +8,6 @@ import openfl.events.EventDispatcher;
#if lime
import lime.media.AudioSource;
import lime.media.openal.AL;
#if lime_cffi import lime._internal.backend.native.NativeAudioSource; #end
#end
/**
@@ -157,28 +155,32 @@ import lime.media.openal.AL;
__lastPeakTime = time;
__leftPeak = __rightPeak = 0;
#if (lime_cffi && !macro)
#if !macro
if (!__isValid) return false;
var backend = __source.__backend, buffer = __source.buffer;
var buffer = __source.buffer;
var wordSize = buffer.bitsPerSample >> 3, bitUnsignedSize = 1 << buffer.bitsPerSample, bitSize = 1 << (buffer.bitsPerSample - 1);
var pos = Math.floor(time * buffer.sampleRate / 1000 * buffer.channels * wordSize), size = 0, i = 0, buf;
var pos = Math.floor(time * buffer.sampleRate / 1000 * buffer.channels * wordSize), size = 0, buf;
#if lime_cffi
var backend = __source.__backend, i = 0;
if (backend.streamed) {
buf = backend.bufferDatas[i = NativeAudioSource.STREAM_MAX_BUFFERS - backend.queuedBuffers] #if !js .buffer #end;
size = backend.bufferSize;
size = backend.bufferSizes[i = backend.bufferSizes.length - backend.queuedBuffers];
buf = backend.bufferDatas[i].buffer;
pos -= Math.floor(backend.bufferTimes[i] * buffer.sampleRate * buffer.channels * wordSize);
}
else {
else
#end {
buf = buffer.data #if !js .buffer #end;
size = #if js buf.byteLength #else buf.length #end;
}
var n = Math.floor(Math.min(buffer.sampleRate / 80, 512)), c = Math.floor((pos % (wordSize * buffer.channels)) / wordSize), b = 0, w = 0;
var s = Math.floor(Math.min(buffer.sampleRate / 80, 512)), c = Math.floor((pos % (wordSize * buffer.channels)) / wordSize), b = 0, w = 0;
pos -= pos % wordSize;
while (n > 0) {
if (wordSize == 1) b = #if js buf[pos] #else buf.get(pos) #end - bitSize;
while (s > 0) {
if (wordSize == 1) b = #if js buf[pos++] #else buf.get(pos++) #end - bitSize;
else {
while (w < buffer.bitsPerSample) {
b |= #if js buf[pos] #else buf.get(pos) #end << w;
@@ -189,15 +191,17 @@ import lime.media.openal.AL;
}
((c % 2 == 0) ? (if (__leftPeak < b) __leftPeak = b) : (if (__rightPeak < b) __rightPeak = b));
if (pos >= size) {
if (pos >= size) #if lime_cffi {
if (!backend.streamed || ++i >= backend.bufferDatas.length) break;
buf = backend.bufferDatas[i] #if !js .buffer #end;
size = backend.bufferSizes[i];
buf = backend.bufferDatas[i].buffer;
pos = 0;
}
#else break; #end
if (++c > buffer.channels) {
c = 0;
n--;
s--;
}
w = b = 0;
}