public static void TestExtractFrame()
{
string dataPath = @"C:\research\dataset\TomLaPorta\";
string[] files = Directory.GetFiles(dataPath);
foreach (string f in files)
{
string fn = URIUtilities.filenameFromDirectory(f);
string[] ff = fn.Split('.');
string fname = ff[0];
string outputFolder = dataPath + fname + "\\";
if (!Directory.Exists(outputFolder))
{
Directory.CreateDirectory(outputFolder);
}
FFMpegWrappers.ExtractFrames(ffmpeg, f,
outputFolder, fname, DateTime.MinValue, 0.1);
}
}
//public static void GroupFramesIntoChunksAndUploadChunks(string videoName, string CurrentDir, int noFramePerChunk, int noFramesOverlap, string satyamContainerName, string satyamDirectoryName)
//{
// SatyamJobStorageAccountAccess satyamStorage = new SatyamJobStorageAccountAccess();
// List<string> files = Directory.GetFiles(CurrentDir).ToList();
// int chunkSequence = 0;
// List<List<string>> allFilesPerChunk = new List<List<string>>();
// for(int i=0;i<files.Count;i++)
// {
// int index = (int)Math.Ceiling((double)(i + 1) / (double)noFramePerChunk);
// if ( index > chunkSequence)
// {
// allFilesPerChunk.Add(new List<string>());
// chunkSequence++;
// if (chunkSequence > 1)
// {
// //starting the 2nd chunk, add frames before
// for (int j = 0; j < noFramesOverlap; j++)
// {
// allFilesPerChunk[chunkSequence-1].Add(files[i - noFramesOverlap + j]);
// }
// }
// }
// allFilesPerChunk[index - 1].Add(files[i]);
// }
// for (int i = 0; i < allFilesPerChunk.Count; i++)
// {
// string subDir = CurrentDir + "\\" + i;
// Directory.CreateDirectory(subDir);
// foreach(string file in allFilesPerChunk[i])
// {
// string fileName = URIUtilities.filenameFromDirectory(file);
// File.Copy(file, subDir + "\\" + fileName);
// }
// satyamStorage.uploadALocalFolder(subDir, satyamContainerName, satyamDirectoryName +"/Video_" + videoName + "_startingFrame_" + noFramePerChunk * i);
// }
//}
public static List <string> GroupFramesIntoChunks(string CurrentDir, int noFramePerChunk, int noFramesOverlap = 0)
{
List <string> files = Directory.GetFiles(CurrentDir).ToList();
int chunkSequence = 0;
List <List <string> > allFilesPerChunk = new List <List <string> >();
for (int i = 0; i < files.Count; i++)
{
int index = (int)Math.Ceiling((double)(i + 1) / (double)noFramePerChunk);
if (index > chunkSequence)
{
allFilesPerChunk.Add(new List <string>());
chunkSequence++;
if (chunkSequence > 1)
{
//starting the 2nd chunk, add frames before
for (int j = 0; j < noFramesOverlap; j++)
{
allFilesPerChunk[chunkSequence - 1].Add(files[i - noFramesOverlap + j]);
}
}
}
allFilesPerChunk[index - 1].Add(files[i]);
}
List <string> chunkFolders = new List <string>();
for (int i = 0; i < allFilesPerChunk.Count; i++)
{
string subDir = CurrentDir + "\\" + i;
Directory.CreateDirectory(subDir);
chunkFolders.Add(subDir);
foreach (string file in allFilesPerChunk[i])
{
string fileName = URIUtilities.filenameFromDirectory(file);
File.Copy(file, subDir + "\\" + fileName);
}
}
return(chunkFolders);
}
