/// <summary>
/// Common routine for transcribing an audio file.
/// </summary>
/// <param name="apiKey">The subscription key.</param>
/// <param name="region">The region of the resource.</param>
/// <param name="audioFilePath">The public URI of the audio file to transcribe.</param>
/// <param name="isUri">Specifies if the <paramref name="audioFilePath"/> is a URI (true) or local file path (false).</param>
/// <param name="httpClient">The implementation of IHttpClientWrapper to use when making transcription requests.</param>
/// <param name="log">Trace logger instance.</param>
/// <returns>A Task returning the transcribed speech.</returns>
private async Task <string> TranscribeAudioPublicUriCommonAsync(Secret apiKey, string region, string audioFilePath, bool isUri, IHttpClientWrapper httpClient, ILogger log)
{
_log = log;
_transcriptBuilder = new StringBuilder();
_stopRecognition = new TaskCompletionSource <int>();
using (BinaryReader binaryReader = BinaryReaderFactory.GetBinaryReader(audioFilePath, isUri, httpClient, log))
{
return(await TranscribeAudioCommonAsync(apiKey, region, binaryReader));
}
}
/// <summary>
/// Common routine for transcribing an audio file.
/// </summary>
/// <param name="apiKey">The subscription key.</param>
/// <param name="region">The region of the resource.</param>
/// <param name="audioFileUri">The public URI of the audio file to transcribe.</param>
/// <param name="storageClient">The implementation of IStorageClient to use when reading the audio file from a source data store.</param>
/// <param name="storageConnectionString">The connection string to use when connecting the source data store.</param>
/// <param name="storageContainerName">The container containing the audio file.</param>
/// <param name="log">Trace logger instance.</param>
/// <returns>A Task returning the transcribed speech.</returns>
private async Task <string> TranscribeAudioStorageUriCommonAsync(Secret apiKey, string region, string audioFileUri, IStorageClient storageClient, Secret storageConnectionString, string storageContainerName, ILogger log)
{
_log = log;
_transcriptBuilder = new StringBuilder();
_stopRecognition = new TaskCompletionSource <int>();
using (MemoryStream outputStream = new MemoryStream())
{
using (BinaryReader binaryReader = BinaryReaderFactory.GetBinaryReader(audioFileUri, outputStream, storageClient, storageConnectionString, storageContainerName, log))
{
return(await TranscribeAudioCommonAsync(apiKey, region, binaryReader));
}
}
}
