//
// Methods
//
public void ConvertFile(string path, string savedPath, Stream input = null)
{
//
// Set up filenames
//
// string baseXefPath = Path.Combine(Path.GetDirectoryName(path), Path.GetFileNameWithoutExtension(path));
string basePath = savedPath;
string rgbVideoPath = basePath + "_RGB.mp4";
string wavAudioPath = basePath + "_Audio.wav";
// string fulVideoPath = basePath + "_Video.avi"; // remove the .avi video file output;
string skeletonPath = basePath + "_Skeleton.csv";
string depthDatPath = basePath + "_Depth.dat"; // .dat file for depth sensor file output;
bool videoFlag = UseVideo;
bool skeletonFlag = UseSkeleton;
bool depthFlag = UseDepth;
bool audioFlag = UseAudio;
// Check if files exist (disable flags if found)
if (ResumeConversion)
{
if (File.Exists(rgbVideoPath))
{
videoFlag = false;
}
if (File.Exists(skeletonPath))
{
skeletonFlag = false;
}
if (File.Exists(depthDatPath))
{
depthFlag = false;
}
if (File.Exists(wavAudioPath))
{
audioFlag = false;
}
}
// Start parsing events
try
{
//
// Set up XEF data converters/writers
//
List <IXEFDataWriter> dataWriters = new List <IXEFDataWriter>();
if (videoFlag)
{
int fpsValue;
fpsValue = ext.FpsSetting();
dataWriters.Add(new XEFColorWriter(rgbVideoPath, fpsValue));
}
if (audioFlag)
{
dataWriters.Add(new XEFAudioWriter(wavAudioPath));
}
if (skeletonFlag)
{
dataWriters.Add(new XEFBodyWriter(skeletonPath));
}
if (depthFlag)
{
dataWriters.Add(new XEFDepthWriter(depthDatPath));
}
if (dataWriters.Count == 0)
{
ext.MessageShowing("Skipped: " + basePath + ".\n");
return;
}
//
// Process events
//
using (IEventReader reader = (input == null) ? new XEFEventReader(path) : new XEFEventStreamReader(input) as IEventReader)
{
XEFEvent ev;
while ((ev = reader.GetNextEvent()) != null)
{
foreach (IXEFDataWriter dataWriter in dataWriters)
{
dataWriter.ProcessEvent(ev);
}
}
}
//
// Finalization
//
foreach (IXEFDataWriter dataWriter in dataWriters)
{
dataWriter.Close();
}
if (videoFlag) // 当开始提取视频格式的时候，将会执行FFMPEG command
{
// First determine if there were any audio events processed
bool containsAudio = false;
foreach (IXEFDataWriter dataWriter in dataWriters)
{
if (dataWriter.GetType() == typeof(XEFAudioWriter))
{
containsAudio = dataWriter.EventCount > 0;
}
}
// Mux color and audio files into one video file
using (Process ffmpegProc = new Process())
{
ffmpegProc.StartInfo = new ProcessStartInfo()
{
// CreateNoWindow = false,
FileName = "ffmpeg",
Arguments =
$"-v quiet " +
$"-i \"{rgbVideoPath}\" " +
(containsAudio ? $"-i \"{wavAudioPath}\" " : "") +
$"-codec copy " +
$"-shortest " +
$"-y ",
UseShellExecute = false,
CreateNoWindow = false,
};
ffmpegProc.Start();
ffmpegProc.WaitForExit();
}
}
}
catch (Exception)
{
ext.MessageShowing("Error processing file!");
ext.MessageShowing("Exception thrown!");
return;
}
}
