public async Task ExtractAllAttachments(
string inputFile,
MediaSourceInfo mediaSource,
string outputPath,
CancellationToken cancellationToken)
{
var semaphore = _semaphoreLocks.GetOrAdd(outputPath, key => new SemaphoreSlim(1, 1));
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
if (!Directory.Exists(outputPath))
{
await ExtractAllAttachmentsInternal(
_mediaEncoder.GetInputArgument(inputFile, mediaSource),
outputPath,
cancellationToken).ConfigureAwait(false);
}
}
finally
{
semaphore.Release();
}
}
/// <summary>
/// Extracts the text subtitle.
/// </summary>
/// <param name="inputFiles">The input files.</param>
/// <param name="protocol">The protocol.</param>
/// <param name="subtitleStreamIndex">Index of the subtitle stream.</param>
/// <param name="outputCodec">The output codec.</param>
/// <param name="outputPath">The output path.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
/// <exception cref="ArgumentException">Must use inputPath list overload</exception>
private async Task ExtractTextSubtitle(
string[] inputFiles,
MediaProtocol protocol,
int subtitleStreamIndex,
string outputCodec,
string outputPath,
CancellationToken cancellationToken)
{
var semaphore = GetLock(outputPath);
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
if (!File.Exists(outputPath))
{
await ExtractTextSubtitleInternal(
_mediaEncoder.GetInputArgument(inputFiles, protocol),
subtitleStreamIndex,
outputCodec,
outputPath,
cancellationToken).ConfigureAwait(false);
}
}
finally
{
semaphore.Release();
}
}
private async Task ExtractAttachment(
string inputFile,
MediaProtocol protocol,
int attachmentStreamIndex,
string outputPath,
CancellationToken cancellationToken)
{
var semaphore = _semaphoreLocks.GetOrAdd(outputPath, key => new SemaphoreSlim(1, 1));
await semaphore.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
if (!File.Exists(outputPath))
{
await ExtractAttachmentInternal(
_mediaEncoder.GetInputArgument(new[] { inputFile }, protocol),
attachmentStreamIndex,
outputPath,
cancellationToken).ConfigureAwait(false);
}
}
finally
{
semaphore.Release();
}
}
