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Fix voice listing for /v1/audio/voices endpoint #3

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Merged
TroyHernandez merged 1 commit into from
Mar 7, 2026
Merged

Fix voice listing for /v1/audio/voices endpoint #3

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70 changes: 26 additions & 44 deletions R/tts_providers.R
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Original file line number Diff line number Diff line change
Expand Up @@ -125,55 +125,37 @@ tts_voices <- function (provider, base_url = NULL, timeout = 2) {

#' Fetch voices from API
#' @keywords internal
.fetch_voices_from_api <- function(
base_url,
timeout = 2
) {
# Try /voices endpoint (Chatterbox style)
url <- paste0(base_url, "/voices")
res <- tryCatch({
curl::curl_fetch_memory(url, handle = curl::new_handle(timeout = timeout))
}, error = function(e) NULL)

if (!is.null(res) && res$status_code == 200) {
.fetch_voices_from_api <- function(base_url, timeout = 2) {
# Try /v1/audio/voices first (OpenAI-compatible), then /voices
for (path in c("/v1/audio/voices", "/voices")) {
url <- paste0(base_url, path)
res <- tryCatch(
curl::curl_fetch_memory(url, handle = curl::new_handle(timeout = timeout)),
error = function(e) NULL
)
if (is.null(res) || res$status_code != 200) next

content <- jsonlite::fromJSON(rawToChar(res$content))
if (is.character(content)) {
return(content)
}
if (is.list(content) && !is.null(content$voices)) {
voices <- content$voices
# Chatterbox returns voices as data.frame with name column
if (is.data.frame(voices) && "name" %in% names(voices)) {
return(voices$name)
}
# Simple array of strings
if (is.character(voices)) {
return(voices)
}
return(unlist(voices))
}
if (is.data.frame(content) && "name" %in% names(content)) {
return(content$name)
}
}

# Try /v1/audio/voices endpoint (OpenAI style)
url <- paste0(base_url, "/v1/audio/voices")
res <- tryCatch({
curl::curl_fetch_memory(url, handle = curl::new_handle(timeout = timeout))
}, error = function(e) NULL)
# Plain character vector
if (is.character(content)) return(content)

if (!is.null(res) && res$status_code == 200) {
content <- jsonlite::fromJSON(rawToChar(res$content))
if (is.list(content) && !is.null(content$voices)) {
return(unlist(content$voices))
# { "voices": [...] } — most common format
voices <- content$voices
if (!is.null(voices)) {
if (is.data.frame(voices) && "name" %in% names(voices)) return(voices$name)
if (is.character(voices)) return(voices)
}
if (is.list(content) && !is.null(content$data)) {
if (is.data.frame(content$data) && "voice_id" %in% names(content$data)) {
return(content$data$voice_id)
}
return(unlist(content$data))

# { "data": [...] } — some OpenAI-style responses
data <- content$data
if (!is.null(data)) {
if (is.data.frame(data) && "name" %in% names(data)) return(data$name)
if (is.character(data)) return(data)
}

# Top-level data.frame
if (is.data.frame(content) && "name" %in% names(content)) return(content$name)
}

NULL
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