public async Task ProcessFile(string filename, string content_type, MediaFile?dbRecord)
{
List <string> filesToCleanup = new List <string>();
try
{
// Mark file as being processed so no other instances grab it
if (dbRecord != null)
{
dbRecord.LastProcessingUpdate = DateTime.UtcNow;
context.UpdateRange(dbRecord);
await context.SaveChangesAsync();
}
string tempPath = (config["MP:Conversion:TempDir"] ?? Path.GetTempPath());
string fileExtension = (config["MP:Conversion:FileExtension"] ?? "mp4");
FileInfo existingFileInfo = new FileInfo(filename);
string tmpSourceName = "src-" + existingFileInfo.Name;
string tmpSourceFullname = Path.Join(tempPath, tmpSourceName);
string tmpDestName = "dest-" + Path.GetFileNameWithoutExtension(existingFileInfo.Name) + "." + fileExtension;
string tmpDestFullname = Path.Join(tempPath, tmpDestName);
string finalName = Path.GetFileNameWithoutExtension(existingFileInfo.Name) + "." + fileExtension;
string finalFullname = Path.Join(existingFileInfo.DirectoryName, finalName);
filesToCleanup.Add(tmpSourceFullname);
filesToCleanup.Add(tmpDestFullname);
cleanupFiles(tmpSourceFullname, tmpDestFullname);
// Copy file to local temp dir
File.Copy(filename, tmpSourceFullname);
// Run local file analysis
FileInfo tmpSourceFileInfo = new FileInfo(tmpSourceFullname);
MediaFile tmpSourceAnalysis = await analyzer.AnalyzeFile(content_type, tmpSourceFileInfo);
// Transcode file locally
Handbrake.Configuration hbConfig = getHandbrakeConfig();
HandbrakeCliWrapper.Handbrake conv = new HandbrakeCliWrapper.Handbrake(config["MP:Conversion:HandBrakeCLIPath"]);
conv.Transcode(hbConfig, tmpSourceFullname, tempPath, tmpDestName, true);
Thread.Sleep(5 * 1000);
DateTime lastStatusUpdate = DateTime.UtcNow;
while (conv.Status.Converting)
{
if (dbRecord != null)
{
try
{
dbRecord.LastProcessingUpdate = DateTime.UtcNow;
context.UpdateRange(dbRecord);
await context.SaveChangesAsync();
lastStatusUpdate = dbRecord.LastProcessingUpdate;
}
catch
{
var timeDifference = DateTime.UtcNow.Subtract(lastStatusUpdate);
if (timeDifference.Minutes > 30)
{
throw new System.Exception("Error updating database within a reasonable timespan (30 minutes)");
}
}
}
Thread.Sleep(5 * 1000);
}
// Run local file analysis against temp file
FileInfo tmpDestFileInfo = new FileInfo(tmpDestFullname);
MediaFile tmpDestAnalysis = await analyzer.AnalyzeFile(content_type, tmpDestFileInfo);
// Verify
if (!verifyTranscodedFile(tmpSourceAnalysis, tmpDestAnalysis))
{
cleanupFiles(tmpSourceFullname, tmpDestFullname);
Console.Out.WriteLine($"[Error] Verification failed for {tmpDestName}");
return;
}
// Copy file back and verify
if (!await copyWithMediaVerification(tmpDestFullname, tmpDestAnalysis, finalFullname))
{
Console.Out.WriteLine($"[Error] Could not copy \"{tmpDestName}\" to \"{finalFullname}\"");
cleanupFiles(tmpDestFullname);
return;
}
// Delete extra files leftover
cleanupFiles(tmpDestFullname, tmpSourceFullname);
if (finalFullname != filename)
{
cleanupFiles(filename);
}
// Cleanup any existing database records
await cleanupDB(filename, finalFullname);
// Process file back into the database
await analyzer.ProcessFile(finalFullname, content_type, hbConfig.Profile);
} finally
{
cleanupFiles(filesToCleanup.ToArray());
}
}
public async Task ProcessFile(string filename, string content_type, MediaFile?dbRecord)
{
string tempPath = (config["MP:Conversion:TempDir"] ?? Path.GetTempPath());
string fileExtension = (config["MP:Conversion:FileExtension"] ?? "mp4");
FileInfo existingFileInfo = new FileInfo(filename);
string tmpSourceName = "src-" + existingFileInfo.Name;
string tmpSourceFullname = Path.Join(tempPath, tmpSourceName);
string tmpDestName = "dest-" + Path.GetFileNameWithoutExtension(existingFileInfo.Name) + "." + fileExtension;
string tmpDestFullname = Path.Join(tempPath, tmpDestName);
string finalName = Path.GetFileNameWithoutExtension(existingFileInfo.Name) + "." + fileExtension;
string finalFullname = Path.Join(existingFileInfo.DirectoryName, finalName);
cleanupFiles(tmpSourceFullname, tmpDestFullname);
// Copy file to local temp dir
File.Copy(filename, tmpSourceFullname);
// Run local file analysis
FileInfo tmpSourceFileInfo = new FileInfo(tmpSourceFullname);
MediaFile tmpSourceAnalysis = await analyzer.AnalyzeFile(content_type, tmpSourceFileInfo);
// Transcode file locally
Handbrake.Configuration hbConfig = getHandbrakeConfig();
HandbrakeCliWrapper.Handbrake conv = new HandbrakeCliWrapper.Handbrake(config["MP:Conversion:HandBrakeCLIPath"]);
conv.Transcode(hbConfig, tmpSourceFullname, tempPath, tmpDestName, true);
Thread.Sleep(5 * 1000);
while (conv.Status.Converting)
{
if (dbRecord != null)
{
dbRecord.LastProcessingUpdate = DateTime.UtcNow;
context.UpdateRange(dbRecord);
await context.SaveChangesAsync();
}
Thread.Sleep(5 * 1000);
}
// Run local file analysis against temp file
FileInfo tmpDestFileInfo = new FileInfo(tmpDestFullname);
MediaFile tmpDestAnalysis = await analyzer.AnalyzeFile(content_type, tmpDestFileInfo);
// Verify
if (!verifyTranscodedFile(tmpSourceAnalysis, tmpDestAnalysis))
{
cleanupFiles(tmpSourceFullname, tmpDestFullname);
Console.Out.WriteLine($"[Error] Verification failed for {tmpDestName}");
return;
}
// Copy file back and verify
if (!await copyWithMediaVerification(tmpDestFullname, tmpDestAnalysis, finalFullname))
{
Console.Out.WriteLine($"[Error] Could not copy \"{tmpDestName}\" to \"{finalFullname}\"");
cleanupFiles(tmpDestFullname);
return;
}
// Delete extra files leftover
cleanupFiles(tmpDestFullname, tmpSourceFullname);
if (finalFullname != filename)
{
cleanupFiles(filename);
}
// Cleanup any existing database records
await cleanupDB(filename, finalFullname);
// Process file back into the database
await analyzer.ProcessFile(finalFullname, content_type, hbConfig.Profile);
}
