Fix bug of KnownSpeakerReferences in Request-AudioTranscription

Author: mkht

Private/Convert-ImageToDataURL.ps1

@@ -73,6 +73,17 @@ function Get-MimeTypeFromFile {
         '.tex' { 'text/x-tex'; continue }
         '.ts' { 'application/typescript'; continue }
         '.txt' { 'text/plain'; continue }
-        Default { $DefaultMimeType }
+        '.xml' { 'application/xml'; continue }
+        '.aac' { 'audio/aac'; continue }
+        '.mp3' { 'audio/mpeg'; continue }
+        '.m4a' { 'audio/mp4'; continue }
+        '.flac' { 'audio/flac'; continue }
+        '.wav' { 'audio/wav'; continue }
+        '.oga' { 'audio/ogg'; continue }
+        '.ogg' { 'audio/ogg'; continue }
+        '.opus' { 'audio/opus'; continue }
+        '.weba' { 'audio/webm'; continue }
+        '.mp4' { 'application/mp4'; continue }
+        default { $DefaultMimeType }
     }
 }

Private/New-MultipartFormContent.ps1

@@ -22,37 +22,45 @@ function New-MultipartFormContent {
         $Boundary = New-MultipartFormBoundary
     }
     $Boundary = '--' + $Boundary
+    $script:InternalBoundary = $Utf8Enc.GetBytes($Boundary)
 
     #Contents
     foreach ($formEntry in $FormData.GetEnumerator()) {
-        $script:FormContent.AddRange($Utf8Enc.GetBytes($Boundary))
-        $script:FormContent.AddRange($Utf8Enc.GetBytes("`r`n"))
         AddMultipartContent -fieldName $formEntry.Key -fieldValue $formEntry.Value -enumerate $true
     }
 
     #End boundary
-    $script:FormContent.AddRange($Utf8Enc.GetBytes(($Boundary + '--')))
+    $script:FormContent.AddRange($script:InternalBoundary)
+    $script:FormContent.AddRange([byte[]](45, 45))  # '--'
 
     #Output as [byte[]]
     Write-Output (, $script:FormContent.ToArray())
 }
 
+function AddMultipartBoundary {
+    $script:FormContent.AddRange($script:InternalBoundary)
+    $script:FormContent.AddRange([byte[]](13, 10))  # "`r`n"
+}
+
 function AddMultipartContent {
     [OutputType([void])]
-    Param(
+    param(
         [object]$fieldName,
         [object]$fieldValue,
         [bool]$enumerate
     )
 
     if ($fieldValue -is [FileInfo]) {
+        AddMultipartBoundary
         $script:FormContent.AddRange((GetMultipartFileContent -fieldName $fieldName -file $fieldValue))
     }
     elseif (-not $enumerate -or $fieldValue -is [string] -or $fieldValue -isnot [IEnumerable]) {
+        AddMultipartBoundary
         $script:FormContent.AddRange((GetMultipartStringContent -fieldName $fieldName -fieldValue $fieldValue))
         return
     }
     elseif ($fieldValue -is [IDictionary] -and $fieldValue.Type -eq 'bytes') {
+        AddMultipartBoundary
         $script:FormContent.AddRange((GetMultipartBytesContent -fieldName $fieldName -content $fieldValue.Content -fileName $fieldValue.FileName))
     }
     elseif ($enumerate -and $fieldValue -is [IEnumerable]) {
@@ -92,7 +100,7 @@ function GetMultipartStringContent {
     [List[byte]]$result = [List[byte]]::new()
     $result.AddRange($Utf8Enc.GetBytes($header))
     $result.AddRange($Utf8Enc.GetBytes($fieldValue))
-    $result.AddRange($Utf8Enc.GetBytes("`r`n"))
+    $result.AddRange([byte[]](13, 10))  # "`r`n"
     return , $result
 }
 
@@ -119,6 +127,6 @@ function GetMultipartBytesContent {
     [List[byte]]$result = [List[byte]]::new()
     $result.AddRange($Utf8Enc.GetBytes($header))
     $result.AddRange($content)
-    $result.AddRange($Utf8Enc.GetBytes("`r`n"))
+    $result.AddRange([byte[]](13, 10))  # "`r`n"
     return , $result
 }

Public/Audio/Request-AudioTranscription.ps1

@@ -152,12 +152,13 @@ function Request-AudioTranscription {
             $PostBody.'known_speaker_names[]' = $KnownSpeakerNames
         }
         if ($PSBoundParameters.ContainsKey('KnownSpeakerReferences')) {
-            $KnownSpeakerReferencesFileInfoList = @()
+            $KnownSpeakerReferencesDataList = @()
             foreach ($ref in $KnownSpeakerReferences) {
-                $KnownSpeakerReferencesFileInfoList += Resolve-FileInfo $ref
+                $KnownSpeakerReferencesDataList += Convert-FileToDataURL $ref
             }
-            if ($KnownSpeakerReferencesFileInfoList.Count -gt 0) {
-                $PostBody.'known_speaker_references[]' = $KnownSpeakerReferencesFileInfoList
+            if ($KnownSpeakerReferencesDataList.Count -gt 0) {
+                $PostBody.'known_speaker_references[]' = $KnownSpeakerReferencesDataList
+                $KnownSpeakerReferencesDataList = $null
             }
         }