public Gst.Pipeline BuildPipeline()
{
pipeline_builder = new StringBuilder();
var type = (PipelineType)settings.GetInt("Video", "Source");
switch (type)
{
case PipelineType.Test:
BuildTestPipeline();
break;
case PipelineType.Rtp:
BuildRtpPipeline();
break;
case PipelineType.V4l2:
BuildV4l2SrcPipeline();
break;
case PipelineType.Custom:
BuildCustomPipeline();
break;
default:
throw new Exception("Unknown video source type");
}
if (type != PipelineType.Custom)
{
pipeline_builder.Append(" ! textoverlay name=toverlay xpos=30 ypos=30 halignment=left valignment=top font-desc=\"arial 22\" ! autovideosink");
}
string built_pipeline = pipeline_builder.ToString();
if (filename != String.Empty)
{
int index = built_pipeline.LastIndexOf(" ! autovideosink", StringComparison.Ordinal);
if (index != -1 && built_pipeline.IndexOf("filesink") == -1)
{
built_pipeline = built_pipeline.Remove(index);
ImproveFilename();
built_pipeline += " ! tee name=my_videosink ! queue ! autovideosink my_videosink. ! queue ! avenc_h263 ! avimux ! filesink location=" + filename;
}
}
Logger.Instance.Log(LogLevel.Info, "Created pipeline: " + built_pipeline);
return(Gst.Parse.Launch(built_pipeline) as Gst.Pipeline);
}
void LoadSettings()
{
portNameEntry.Text = settings.GetString("Communication", "PortName");
baudRateEntry.Text = settings.GetInt("Communication", "BaudRate").ToString();
pipelineTextView.Buffer.Text = settings.GetString("Video", "CustomPipeline");
recordedFilenameEntry.Text = settings.GetString("Video", "Filename");
videoSourceComboBox.Active = settings.GetInt("Video", "Source");
testSourceSampleComboBox.Active = settings.GetInt("Video", "TestPattern");
portEntry.Text = settings.GetInt("Video", "UDPPort").ToString();
widthEntry.Text = settings.GetInt("Video", "Width").ToString();
heightEntry.Text = settings.GetInt("Video", "Height").ToString();
framerateEntry.Text = settings.GetInt("Video", "Framerate").ToString();
}