//録画開始
static Task StartRecording(HttpListenerContext context)
{
WriteLog($"StartRecording");
var request = context.Request;
var response = context.Response;
lock (syncOutput)
{
if (videoOutputStream != null)
{
throw new ApplicationException("Already recording");
}
var videoName = GetTimestampString() + videoExtension;
var videoFilePath = Path.Combine(videoDir, videoName);
WriteLog($" {videoName}");
Directory.CreateDirectory(Path.GetDirectoryName(videoFilePath));
var frame = _lastOriginalFrame != null
? lastOriginalFrame
: videoInputStream.Read();
var frameSize = frame.Size();
WriteLog($" {frameSize.Width}x{frameSize.Height}");
videoOutputStream = new VideoOutputStream(videoFilePath, FourCC.XVID, 15, GetOutputSize(frameSize));
videoOutputStream.Start();
}
response.StatusCode = (int)HttpStatusCode.NoContent;
response.Close();
return(Task.CompletedTask);
}
