/* Split the video, audio and JSON data for this meeting into smaller
* segments. This allows multiple people to work on the fixes to
* the text at the same time.
*/
public void Split(string meetingFolder, string videofile, string fixasrFile,
int segmentSize, int segmentOverlap)
{
string splitFolder = meetingFolder + "\\" + "FixText";
// The processed recording will next go through the following workflow:
// 1. Users will fix errors in the text generated by auto voice recognition.
// 2. Users will add metadata tags to the transcript.
// To facilitate this, we will split the video, audio and transcript files into smaller segments.
// This has the advantages that:
// 1. More than one volunteer can work on the recording at the same time.
// 2. Less video or audio data needs to be downloaded to the user at one time.
string stringValue = File.ReadAllText(fixasrFile);
FixasrView fixasr = JsonConvert.DeserializeObject <FixasrView>(stringValue);
// Split the recording into parts and put them each in subfolders of subfolder "parts".
SplitRecording splitRecording = new SplitRecording();
int parts = splitRecording.Split(videofile, splitFolder, segmentSize, segmentOverlap);
// Also extract the audio from each of these segments.
// Some user may prefer to work with the audio for fixing the transcript.
// We will put the audio files in the same folder as the video.
ExtractAudio extract = new ExtractAudio();
extract.ExtractAll(splitFolder);
// Split the full transcript into segments that match the audio and video segments in size.
SplitTranscript splitTranscript = new SplitTranscript();
splitTranscript.split(fixasr, splitFolder, segmentSize, segmentOverlap, parts);
}
