/// <summary>
/// What is being recorded
/// </summary>
/// <returns>CaptureContent of the area being recorded</returns>
public CaptureContent GetCapturedContent()
{
if (_capturedContent == CaptureContent.Invalid)
{
string setting = GlobalConfig.Settings.Media.VideoCodec_Content.ToUpper();
if (setting.Contains("PREVIEW"))
{
_capturedContent = CaptureContent.GraphAndPreviews;
}
else if (setting.Contains("GRAPH"))
{
_capturedContent = CaptureContent.Graph;
}
else
{
_capturedContent = CaptureContent.Window;
}
}
return(_capturedContent);
}
/// <summary>
/// A task for recording a video
/// </summary>
/// <param name="graph">Optional graph to record</param>
async public void Go(PlottedGraph?graph)
{
if (!File.Exists(GlobalConfig.GetSettingPath(CONSTANTS.PathKey.FFmpegPath)))
{
StopRecording(processQueue: false, error: $"Unable to start recording: Path to ffmpeg.exe not configured");
Loaded = false;
Initialised = false;
return;
}
try
{
string?dirname = Path.GetDirectoryName(GlobalConfig.GetSettingPath(CONSTANTS.PathKey.FFmpegPath));
if (dirname is not null)
{
GlobalFFOptions.Configure(new FFOptions {
BinaryFolder = dirname
});
}
else
{
StopRecording(processQueue: false, error: $"Unable to start recording: FFMpeg not found");
Loaded = false;
return;
}
}
catch (Exception e)
{
StopRecording(processQueue: false, error: $"Unable to start recording: Exception '{e.Message}' configuring recorder");
Loaded = false;
return;
}
Initialised = true;
CurrentRecordingFile = GenerateVideoFilepath(graph);
_recordedFrameCount = 0;
Logging.RecordLogEvent("Recording video to " + CurrentRecordingFile);
var videoFramesSource = new RawVideoPipeSource(GetNextFrame());
try
{
//https://trac.ffmpeg.org/wiki/Encode/H.264
await FFMpegArguments
.FromPipeInput(videoFramesSource)
.OutputToFile(CurrentRecordingFile, false, opt => opt
.WithFramerate(GlobalConfig.Settings.Media.VideoCodec_FPS)
.WithConstantRateFactor(28 - GlobalConfig.Settings.Media.VideoCodec_Quality)
.WithSpeedPreset(GetVideoSpeed())
.WithVideoCodec(VideoCodec.LibX264)
)
.ProcessAsynchronously();
}
catch (Exception e)
{
Logging.RecordException("FFMpeg Record Error: " + e.Message, e);
}
Initialised = false;
StopRecording();
CapturePaused = false;
_bmpQueue.Clear();
Logging.RecordLogEvent($"Recorded {_recordedFrameCount} x {CurrentVideoWidth}*{CurrentVideoHeight} frames of video to " + CurrentRecordingFile);
CurrentRecordingFile = "";
_capturedContent = CaptureContent.Invalid;
}
