public override bool BeginRecording(RecordingSession session)
{
if (!base.BeginRecording(session))
{
return(false);
}
if (!FFmpegPipe.IsAvailable)
{
Debug.LogError(
"Failed to initialize an FFmpeg session due to missing " +
"executable file. Please check FFmpeg installation."
);
return(false);
}
m_Settings.fileNameGenerator.CreateDirectory(session);
var input = m_Inputs[0] as BaseRenderTextureInput;
var args =
"-y -f rawvideo -vcodec rawvideo -pixel_format rgba"
+ " -colorspace bt709"
+ " -video_size " + input.outputWidth + "x" + input.outputHeight
+ " -framerate " + session.settings.frameRate
+ " -loglevel error -i - " + m_Settings.preset.GetOptions()
+ " " + m_Settings.FrameRateArgs
+ " \"" + m_Settings.fileNameGenerator.BuildAbsolutePath(session) + "\"";
_pipe = new FFmpegPipe(args);
return(true);
}
void OpenPipe()
{
timeStampList = new List <byte> ();
DataRecorder.StartRecording();
// Open an output stream.
_pipe = new FFmpegPipe("Heatmap", renderingTexture.width, renderingTexture.height, _frameRate, PupilSettings.Instance.recorder.codec);
Debug.Log("Capture started (" + _pipe.Filename + ")");
}
protected override void DisposeEncoder()
{
base.DisposeEncoder();
if (_pipe != null)
{
var error = _pipe.CloseAndGetOutput();
if (!string.IsNullOrEmpty(error))
{
Debug.LogWarning(
"FFmpeg returned with warning/error messages. " +
"See the following lines for details:\n" + error
);
}
_pipe.Dispose();
_pipe = null;
}
}
void ClosePipe()
{
// Close the output stream.
Debug.Log("Capture ended (" + _pipe.Filename + ").");
// Write pupil timestamps to a file
string timeStampFileName = "Heatmap_Timestamps";
byte[] timeStampByteArray = timeStampList.ToArray();
File.WriteAllBytes(_pipe.FilePath + "/" + timeStampFileName + ".time", timeStampByteArray);
_pipe.Close();
if (!string.IsNullOrEmpty(_pipe.Error))
{
Debug.LogWarning(
"ffmpeg returned with a warning or an error message. " +
"See the following lines for details:\n" + _pipe.Error
);
}
_pipe = null;
}