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fix: fallback mp3 when pcm blocked

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This commit is contained in:
Peter Steinberger
2025-12-30 14:32:47 +01:00
parent 3aefe375c1
commit d7b267843e
4 changed files with 60 additions and 27 deletions
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42
apps/ios/Sources/Voice/TalkModeManager.swift
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@@ -473,19 +473,23 @@ final class TalkModeManager: NSObject {
}
let modelId = directive?.modelId ?? self.currentModelId ?? self.defaultModelId
let request = ElevenLabsTTSRequest(
text: cleaned,
modelId: modelId,
outputFormat: outputFormat,
speed: TalkTTSValidation.resolveSpeed(speed: directive?.speed, rateWPM: directive?.rateWPM),
stability: TalkTTSValidation.validatedStability(directive?.stability, modelId: modelId),
similarity: TalkTTSValidation.validatedUnit(directive?.similarity),
style: TalkTTSValidation.validatedUnit(directive?.style),
speakerBoost: directive?.speakerBoost,
seed: TalkTTSValidation.validatedSeed(directive?.seed),
normalize: ElevenLabsTTSClient.validatedNormalize(directive?.normalize),
language: language,
latencyTier: TalkTTSValidation.validatedLatencyTier(directive?.latencyTier))
func makeRequest(outputFormat: String?) -> ElevenLabsTTSRequest {
ElevenLabsTTSRequest(
text: cleaned,
modelId: modelId,
outputFormat: outputFormat,
speed: TalkTTSValidation.resolveSpeed(speed: directive?.speed, rateWPM: directive?.rateWPM),
stability: TalkTTSValidation.validatedStability(directive?.stability, modelId: modelId),
similarity: TalkTTSValidation.validatedUnit(directive?.similarity),
style: TalkTTSValidation.validatedUnit(directive?.style),
speakerBoost: directive?.speakerBoost,
seed: TalkTTSValidation.validatedSeed(directive?.seed),
normalize: ElevenLabsTTSClient.validatedNormalize(directive?.normalize),
language: language,
latencyTier: TalkTTSValidation.validatedLatencyTier(directive?.latencyTier))
}
let request = makeRequest(outputFormat: outputFormat)
let client = ElevenLabsTTSClient(apiKey: apiKey)
let stream = client.streamSynthesize(voiceId: voiceId, request: request)
@@ -504,7 +508,17 @@ final class TalkModeManager: NSObject {
let result: StreamingPlaybackResult
if let sampleRate {
self.lastPlaybackWasPCM = true
result = await self.pcmPlayer.play(stream: stream, sampleRate: sampleRate)
var playback = await self.pcmPlayer.play(stream: stream, sampleRate: sampleRate)
if !playback.finished, playback.interruptedAt == nil {
let mp3Format = ElevenLabsTTSClient.validatedOutputFormat("mp3_44100")
self.logger.warning("pcm playback failed; retrying mp3")
self.lastPlaybackWasPCM = false
let mp3Stream = client.streamSynthesize(
voiceId: voiceId,
request: makeRequest(outputFormat: mp3Format))
playback = await self.mp3Player.play(stream: mp3Stream)
}
result = playback
} else {
self.lastPlaybackWasPCM = false
result = await self.mp3Player.play(stream: stream)