private static async Task <bool> SendSegmentAsync(string fileName, IOwinContext context, StreamItem streamItem)
{
if (!string.IsNullOrEmpty(fileName) && streamItem.StreamContext is TranscodeContext tc)
{
using (await streamItem.RequestBusyLockAsync(SendDataCancellation.Token))
{
var segment = await MediaConverter.GetSegmentFileAsync((VideoTranscoding)streamItem.TranscoderObject.TranscodingParameter, tc, fileName);
if (segment != null)
{
if (segment.Value.ContainerEnum is VideoContainer)
{
VideoTranscoding video = (VideoTranscoding)streamItem.TranscoderObject.TranscodingParameter;
List <string> profiles = ProfileMime.ResolveVideoProfile((VideoContainer)segment.Value.ContainerEnum, video.TargetVideoCodec, video.TargetAudioCodec, EncodingProfile.Unknown, 0, 0, 0, 0, 0, 0, Timestamp.None);
string mime = "video/unknown";
ProfileMime.FindCompatibleMime(streamItem.Profile, profiles, ref mime);
context.Response.ContentType = mime;
}
else if (segment.Value.ContainerEnum is SubtitleCodec)
{
context.Response.ContentType = SubtitleHelper.GetSubtitleMime((SubtitleCodec)segment.Value.ContainerEnum);
}
bool onlyHeaders = context.Request.Method == "HEAD" || context.Response.StatusCode == (int)HttpStatusCode.NotModified;
Logger.Debug("RetrieveStream: Sending file header only: {0}", onlyHeaders.ToString());
await SendWholeFileAsync(context, segment.Value.FileData, onlyHeaders);
// Close the Stream so that FFMpeg can replace the playlist file
segment.Value.FileData.Dispose();
return(true);
}
}
}
return(false);
}