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wrap synthesis in autoreleasepool, clear MLX cache after each sentence

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Felix Förtsch
2026-03-14 05:24:40 +01:00
parent bf7fce3fae
commit 60fef9c75b
1 changed files with 8 additions and 2 deletions
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10
VorleserKit/Sources/AudioEngine/AudioEngine.swift
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@@ -131,7 +131,10 @@ public final class AudioEngine {
nextBuffer = nil
} else {
do {
let samples = try synthesizer.synthesize(text: sentence.text)
let samples: [Float] = try autoreleasepool {
try synthesizer.synthesize(text: sentence.text)
}
synthesizer.clearCache()
buffer = Self.makePCMBuffer(from: samples)
} catch {
currentSentenceIndex += 1
@@ -146,7 +149,10 @@ public final class AudioEngine {
guard nextIdx < sentences.count else { return nil }
let nextText = sentences[nextIdx].text
return Task.detached { [synthesizer] in
guard let samples = try? synthesizer.synthesize(text: nextText) else { return nil }
guard let samples: [Float] = try? autoreleasepool(invoking: {
try synthesizer.synthesize(text: nextText)
}) else { return nil }
synthesizer.clearCache()
return SendableBuffer(buffer: Self.makePCMBuffer(from: samples))
}
}()