コード例 #1
0
        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());
            }
        }
コード例 #2
0
ファイル: Converter.cs プロジェクト: cameronbroe/mp
        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);
        }