/// <summary>
        /// The prepare file.
        /// </summary>
        /// <param name="request">
        ///   The request.
        /// </param>
        public static AudioUtilityModifiedInfo PrepareFile(FileInfo sourceFile, FileInfo outputFile, AudioUtilityRequest request, DirectoryInfo temporaryFilesDirectory)
        {
            var    audioUtility    = new MasterAudioUtility(temporaryFilesDirectory);
            var    sourceMimeType  = MediaTypes.GetMediaType(sourceFile.Extension);
            var    outputMimeType  = MediaTypes.GetMediaType(outputFile.Extension);
            string outputDirectory = Path.GetDirectoryName(outputFile.FullName);

            if (!Directory.Exists(outputDirectory))
            {
                Directory.CreateDirectory(outputDirectory);
            }

            audioUtility.Modify(
                sourceFile,
                sourceMimeType,
                outputFile,
                outputMimeType,
                request);

            var result = new AudioUtilityModifiedInfo
            {
                TargetInfo = audioUtility.Info(outputFile),
                SourceInfo = audioUtility.Info(sourceFile),
            };

            return(result);
        }
Exemple #2
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        private static string GetNewName(FileInfo file, TimeSpan timezone)
        {
            var fileName     = file.Name;
            var fileLength   = file.Length;
            var lastModified = file.LastWriteTime;
            var mediaType    = MediaTypes.GetMediaType(file.Extension);

            var audioUtility = new MasterAudioUtility();
            var info         = audioUtility.Info(file);
            var duration     = info.Duration.HasValue ? info.Duration.Value : TimeSpan.Zero;

            var recordingStart = lastModified - duration;

            // some tweaking to get nice file names - round the minutes of last mod and duration
            // ticks are in 100-nanosecond intervals

            //var modifiedRecordingStart = lastModified.Round(TimeSpan.FromSeconds(15))
            //                             - duration.Round(TimeSpan.FromSeconds(15));

            //// DateTime rounded = new DateTime(((now.Ticks + 25000000) / 50000000) * 50000000);

            ////var roundedTotalSeconds = Math.Round(mediaFile.RecordingStart.TimeOfDay.TotalSeconds);
            ////var modifiedRecordingStart = mediaFile.RecordingStart.Date.AddSeconds(roundedTotalSeconds);

            var dateWithOffset = new DateTimeOffset(recordingStart, timezone);
            var dateTime       = dateWithOffset.ToUniversalTime().ToString(AppConfigHelper.StandardDateFormatUtc);
            var ext            = fileName.Substring(fileName.LastIndexOf('.') + 1).ToLowerInvariant();

            var prefix = fileName.Substring(0, fileName.LastIndexOf('.'));
            var result = string.Format("{0}_{1}.{2}", prefix, dateTime, ext);

            return(result);
        }
Exemple #3
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        //########################################################################################################################################################################
        //########################################################################################################################################################################
        //##  STATIC METHODS BELOW ###############################################################################################################################################
        //########################################################################################################################################################################
        //########################################################################################################################################################################

        /// <summary>
        /// TODO - this is long winded way to get file. Need to talk to Mark.
        /// </summary>
        public static AudioRecording GetAudioRecording(FileInfo sourceFile, int resampleRate, string opDir, string opFileName)
        {
            if (!sourceFile.Exists)
            {
                return(null);
            }

            string        opPath            = Path.Combine(opDir, opFileName); //path location/name of extracted recording segment
            IAudioUtility audioUtility      = new MasterAudioUtility();
            var           info              = audioUtility.Info(sourceFile);   // Get duration of the source file
            int           startMilliseconds = 0;
            int           endMilliseconds   = (int)info.Duration.Value.TotalMilliseconds;

            MasterAudioUtility.SegmentToWav(
                sourceFile,
                new FileInfo(opPath),
                new AudioUtilityRequest
            {
                TargetSampleRate = resampleRate,
                OffsetStart      = TimeSpan.FromMilliseconds(startMilliseconds),
                OffsetEnd        = TimeSpan.FromMilliseconds(endMilliseconds),
            });

            return(new AudioRecording(opPath));
        }
Exemple #4
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        public void MasterAudioUtilityCheckRequestValidFailsWhenWavpackIsMissing()
        {
            var utility = new MasterAudioUtility(
                (FfmpegAudioUtility)TestHelper.GetAudioUtilityFfmpeg(),
                null,
                (SoxAudioUtility)TestHelper.GetAudioUtilitySox(),
                (FfmpegRawPcmAudioUtility)TestHelper.GetAudioUtilityFfmpegRawPcm());

            var source = PathHelper.GetTestAudioFile("Raw_audio_id_cd6e8ba1-11b4-4724-9562-f6ec893110aa.wv");

            Assert.ThrowsException <AudioFormatNotSupportedException>(
                () => utility.Info(source),
                "Converting from WavPack is not supported because we cannot find a wvunpack binary.");

            Assert.ThrowsException <AudioFormatNotSupportedException>(
                () => utility.Modify(source, MediaTypes.MediaTypeWavpack, PathHelper.GetTempFile(MediaTypes.ExtWav), MediaTypes.MediaTypeWav, new AudioUtilityRequest()),
                "Converting from WavPack is not supported because we cannot find a wvunpack binary.");
        }
Exemple #5
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        public static void Execute(Arguments args)
        {
            if (args == null)
            {
                throw new NoDeveloperMethodException();
            }

            IEnumerable <FileInfo> files = null;

            if (args.InputDirectory != null)
            {
                var shouldRecurse = args.Recurse ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly;
                files = args.InputDirectory.ToDirectoryInfo().EnumerateFiles("*.*", shouldRecurse);
            }
            else
            {
                // skip the output file
                files = File.ReadLines(args.InputFile)
                        .Where(l => !string.IsNullOrWhiteSpace(l))
                        .Select(l => l.Trim(' ', '"'))
                        .Distinct()
                        .OrderBy(l => l)
                        .Select(l => new FileInfo(l));
            }

            var mau       = new MasterAudioUtility();
            var stopwatch = new Stopwatch();

            var headers = "\"" + string.Join("\", \"",
                                             "SourceFile",
                                             "SampleRate (hertz)",
                                             "BitsPerSecond",
                                             "BitsPerSample",
                                             "ChannelCount",
                                             "Duration (sec)",
                                             "MediaType",
                                             "FileSize (bytes)",
                                             "SHA256 Hash",
                                             "Identifier") + "\"";

            using (var fs = File.Open(args.OutputFile, FileMode.Create, FileAccess.Write, FileShare.Read))
                using (var sw = new StreamWriter(fs))
                {
                    sw.WriteLine(headers);

                    foreach (var file in files)
                    {
                        try
                        {
                            stopwatch.Restart();
                            var info = mau.Info(file);
                            stopwatch.Stop();

                            var infoTime = stopwatch.Elapsed;

                            stopwatch.Restart();
                            var hash = SHA256Hash(file);
                            stopwatch.Stop();

                            Console.WriteLine("info: {1} hash: {2} for {0}.", file.Name, infoTime, stopwatch.Elapsed);

                            var output = string.Format("{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7}, {8}, {9}",
                                                       CsvSafeString(info.SourceFile != null ? info.SourceFile.ToString() : string.Empty),
                                                       CsvSafeString(info.SampleRate.HasValue ? info.SampleRate.Value.ToString() : string.Empty),
                                                       CsvSafeString(info.BitsPerSecond.HasValue ? info.BitsPerSecond.Value.ToString() : string.Empty),
                                                       CsvSafeString(info.BitsPerSample.HasValue ? info.BitsPerSample.Value.ToString() : string.Empty),
                                                       CsvSafeString(info.ChannelCount.HasValue ? info.ChannelCount.Value.ToString() : string.Empty),
                                                       CsvSafeString(info.Duration.HasValue ? info.Duration.Value.TotalSeconds.ToString() : string.Empty),
                                                       CsvSafeString(info.MediaType),
                                                       CsvSafeString(info.SourceFile.Length.ToString()),
                                                       CsvSafeString(hash),
                                                       GetIdentifierFromPath(info.SourceFile.FullName));

                            sw.WriteLine(output);

                            sw.Flush();
                            fs.Flush();
                        }
                        catch (Exception ex)
                        {
                            if (Log.IsWarnEnabled)
                            {
                                Log.Warn("Error processing " + file, ex);
                            }
                        }
                    }
                }
        }
Exemple #6
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        /// <summary>
        /// 2. Analyses long audio recording (mp3 or wav) as per passed config file. Outputs an events.csv file AND an
        /// indices.csv file
        /// Signed off: Michael Towsey 4th December 2012
        /// </summary>
        public static void Execute(Arguments arguments)
        {
            if (arguments == null)
            {
                throw new NoDeveloperMethodException();
            }

            LoggedConsole.WriteLine("# PROCESS LONG RECORDING");
            LoggedConsole.WriteLine("# DATE AND TIME: " + DateTime.Now);

            // 1. set up the necessary files
            var sourceAudio        = arguments.Source;
            var configFile         = arguments.Config.ToFileInfo();
            var outputDirectory    = arguments.Output;
            var tempFilesDirectory = arguments.TempDir;

            // if a temp dir is not given, use output dir as temp dir
            if (tempFilesDirectory == null)
            {
                Log.Warn("No temporary directory provided, using output directory");
                tempFilesDirectory = outputDirectory;
            }

            // try an automatically find the config file
            if (configFile == null)
            {
                throw new FileNotFoundException("No config file argument provided");
            }
            else if (!configFile.Exists)
            {
                Log.Warn($"Config file {configFile.FullName} not found... attempting to resolve config file");

                // we use .ToString() here to get the original input string - Using fullname always produces an absolute path wrt to pwd... we don't want to prematurely make asusmptions:
                // e.g. We require a missing absolute path to fail... that wouldn't work with .Name
                // e.g. We require a relative path to try and resolve, using .FullName would fail the first absolute check inside ResolveConfigFile
                configFile = ConfigFile.Resolve(configFile.ToString(), Directory.GetCurrentDirectory().ToDirectoryInfo());
            }

            if (arguments.StartOffset.HasValue ^ arguments.EndOffset.HasValue)
            {
                throw new InvalidStartOrEndException("If StartOffset or EndOffset is specified, then both must be specified");
            }

            if (arguments.StartOffset.HasValue && arguments.EndOffset.HasValue && arguments.EndOffset.Value <= arguments.StartOffset.Value)
            {
                throw new InvalidStartOrEndException("Start offset must be less than end offset.");
            }

            LoggedConsole.WriteLine("# Recording file:      " + sourceAudio.FullName);
            LoggedConsole.WriteLine("# Configuration file:  " + configFile);
            LoggedConsole.WriteLine("# Output folder:       " + outputDirectory);
            LoggedConsole.WriteLine("# Temp File Directory: " + tempFilesDirectory);

            // optionally copy logs / config to make results easier to understand
            // TODO: remove, see https://github.com/QutEcoacoustics/audio-analysis/issues/133
            if (arguments.WhenExitCopyConfig || arguments.WhenExitCopyLog)
            {
                AppDomain.CurrentDomain.ProcessExit += (sender, args) => { Cleanup(arguments, configFile); };
            }

            // 2. initialize the analyzer
            // we're changing the way resolving config files works. Ideally, we'd like to use statically typed config files
            // but we can't do that unless we know which type we have to load first! Currently analyzer to load is in
            // the config file so we can't know which analyzer we can use. Thus we will change to using the file name,
            // or an argument to resolve the analyzer to load.
            // Get analysis name:
            IAnalyser2 analyzer = FindAndCheckAnalyzer <IAnalyser2>(arguments.AnalysisIdentifier, configFile.Name);

            // 2. get the analysis config
            AnalyzerConfig configuration = analyzer.ParseConfig(configFile);

            SaveBehavior saveIntermediateWavFiles  = configuration.SaveIntermediateWavFiles;
            bool         saveIntermediateDataFiles = configuration.SaveIntermediateCsvFiles;
            SaveBehavior saveSonogramsImages       = configuration.SaveSonogramImages;

            bool filenameDate = configuration.RequireDateInFilename;

            if (configuration[AnalysisKeys.AnalysisName].IsNotWhitespace())
            {
                Log.Warn("Your config file has `AnalysisName` set - this property is deprecated and ignored");
            }

            // AT 2018-02: changed logic so default index properties loaded if not provided
            FileInfo indicesPropertiesConfig = IndexProperties.Find(configuration, configFile);

            if (indicesPropertiesConfig == null || !indicesPropertiesConfig.Exists)
            {
                Log.Warn("IndexProperties config can not be found! Loading a default");
                indicesPropertiesConfig = ConfigFile.Default <Dictionary <string, IndexProperties> >();
            }

            LoggedConsole.WriteLine("# IndexProperties Cfg: " + indicesPropertiesConfig.FullName);

            // min score for an acceptable event
            Log.Info("Minimum event threshold has been set to " + configuration.EventThreshold);

            FileSegment.FileDateBehavior defaultBehavior = FileSegment.FileDateBehavior.Try;
            if (filenameDate)
            {
                if (!FileDateHelpers.FileNameContainsDateTime(sourceAudio.Name))
                {
                    throw new InvalidFileDateException(
                              "When RequireDateInFilename option is set, the filename of the source audio file must contain "
                              + "a valid AND UNAMBIGUOUS date. Such a date was not able to be parsed.");
                }

                defaultBehavior = FileSegment.FileDateBehavior.Required;
            }

            // 3. initilize AnalysisCoordinator class that will do the analysis
            var analysisCoordinator = new AnalysisCoordinator(
                new LocalSourcePreparer(),
                saveIntermediateWavFiles,
                false,
                arguments.Parallel);

            // 4. get the segment of audio to be analysed
            // if tiling output, specify that FileSegment needs to be able to read the date
            var fileSegment         = new FileSegment(sourceAudio, arguments.AlignToMinute, null, defaultBehavior);
            var bothOffsetsProvided = arguments.StartOffset.HasValue && arguments.EndOffset.HasValue;

            if (bothOffsetsProvided)
            {
                fileSegment.SegmentStartOffset = TimeSpan.FromSeconds(arguments.StartOffset.Value);
                fileSegment.SegmentEndOffset   = TimeSpan.FromSeconds(arguments.EndOffset.Value);
            }
            else
            {
                Log.Debug("Neither start nor end segment offsets provided. Therefore both were ignored.");
            }

            // 6. initialize the analysis settings object
            var analysisSettings = analyzer.DefaultSettings;

            analysisSettings.ConfigFile                = configFile;
            analysisSettings.Configuration             = configuration;
            analysisSettings.AnalysisOutputDirectory   = outputDirectory;
            analysisSettings.AnalysisTempDirectory     = tempFilesDirectory;
            analysisSettings.AnalysisDataSaveBehavior  = saveIntermediateDataFiles;
            analysisSettings.AnalysisImageSaveBehavior = saveSonogramsImages;
            analysisSettings.AnalysisChannelSelection  = arguments.Channels;
            analysisSettings.AnalysisMixDownToMono     = arguments.MixDownToMono;

            var segmentDuration = configuration.SegmentDuration?.Seconds();

            if (!segmentDuration.HasValue)
            {
                segmentDuration = analysisSettings.AnalysisMaxSegmentDuration ?? TimeSpan.FromMinutes(1);
                Log.Warn(
                    $"Can't read `{nameof(AnalyzerConfig.SegmentDuration)}` from config file. "
                    + $"Default value of {segmentDuration} used)");
            }

            analysisSettings.AnalysisMaxSegmentDuration = segmentDuration.Value;

            var segmentOverlap = configuration.SegmentOverlap?.Seconds();

            if (!segmentOverlap.HasValue)
            {
                segmentOverlap = analysisSettings.SegmentOverlapDuration;
                Log.Warn(
                    $"Can't read `{nameof(AnalyzerConfig.SegmentOverlap)}` from config file. "
                    + $"Default value of {segmentOverlap} used)");
            }

            analysisSettings.SegmentOverlapDuration = segmentOverlap.Value;

            // set target sample rate
            var resampleRate = configuration.ResampleRate;

            if (!resampleRate.HasValue)
            {
                resampleRate = analysisSettings.AnalysisTargetSampleRate ?? AppConfigHelper.DefaultTargetSampleRate;
                Log.Warn(
                    $"Can't read {nameof(configuration.ResampleRate)} from config file. "
                    + $"Default value of {resampleRate} used)");
            }

            analysisSettings.AnalysisTargetSampleRate = resampleRate;

            Log.Info(
                $"{nameof(configuration.SegmentDuration)}={segmentDuration}, "
                + $"{nameof(configuration.SegmentOverlap)}={segmentOverlap}, "
                + $"{nameof(configuration.ResampleRate)}={resampleRate}");

            // 7. ####################################### DO THE ANALYSIS ###################################
            LoggedConsole.WriteLine("START ANALYSIS ...");
            var analyserResults = analysisCoordinator.Run(fileSegment, analyzer, analysisSettings);

            // ##############################################################################################
            // 8. PROCESS THE RESULTS
            LoggedConsole.WriteLine(string.Empty);
            LoggedConsole.WriteLine("START PROCESSING RESULTS ...");
            if (analyserResults == null)
            {
                LoggedConsole.WriteErrorLine("###################################################\n");
                LoggedConsole.WriteErrorLine("The Analysis Run Coordinator has returned a null result.");
                LoggedConsole.WriteErrorLine("###################################################\n");
                throw new AnalysisOptionDevilException();
            }

            // Merge and correct main result types
            EventBase[]         mergedEventResults         = ResultsTools.MergeResults(analyserResults, ar => ar.Events, ResultsTools.CorrectEvent);
            SummaryIndexBase[]  mergedIndicesResults       = ResultsTools.MergeResults(analyserResults, ar => ar.SummaryIndices, ResultsTools.CorrectSummaryIndex);
            SpectralIndexBase[] mergedSpectralIndexResults = ResultsTools.MergeResults(analyserResults, ar => ar.SpectralIndices, ResultsTools.CorrectSpectrumIndex);

            // not an exceptional state, do not throw exception
            if (mergedEventResults != null && mergedEventResults.Length == 0)
            {
                LoggedConsole.WriteWarnLine("The analysis produced no EVENTS (mergedResults had zero count)");
            }

            if (mergedIndicesResults != null && mergedIndicesResults.Length == 0)
            {
                LoggedConsole.WriteWarnLine("The analysis produced no Summary INDICES (mergedResults had zero count)");
            }

            if (mergedSpectralIndexResults != null && mergedSpectralIndexResults.Length == 0)
            {
                LoggedConsole.WriteWarnLine("The analysis produced no Spectral INDICES (merged results had zero count)");
            }

            // 9. CREATE SUMMARY INDICES IF NECESSARY (FROM EVENTS)
#if DEBUG
            // get the duration of the original source audio file - need this to convert Events datatable to Indices Datatable
            var audioUtility = new MasterAudioUtility(tempFilesDirectory);
            var mimeType     = MediaTypes.GetMediaType(sourceAudio.Extension);
            var sourceInfo   = audioUtility.Info(sourceAudio);

            // updated by reference all the way down in LocalSourcePreparer
            Debug.Assert(fileSegment.TargetFileDuration == sourceInfo.Duration);
#endif
            var duration = fileSegment.TargetFileDuration.Value;

            ResultsTools.ConvertEventsToIndices(
                analyzer,
                mergedEventResults,
                ref mergedIndicesResults,
                duration,
                configuration.EventThreshold);
            int eventsCount           = mergedEventResults?.Length ?? 0;
            int numberOfRowsOfIndices = mergedIndicesResults?.Length ?? 0;

            // 10. Allow analysers to post-process

            // TODO: remove results directory if possible
            var instanceOutputDirectory =
                AnalysisCoordinator.GetNamedDirectory(analysisSettings.AnalysisOutputDirectory, analyzer);

            // 11. IMPORTANT - this is where IAnalyser2's post processor gets called.
            // Produces all spectrograms and images of SPECTRAL INDICES.
            // Long duration spectrograms are drawn IFF analysis type is Towsey.Acoustic
            analyzer.SummariseResults(analysisSettings, fileSegment, mergedEventResults, mergedIndicesResults, mergedSpectralIndexResults, analyserResults);

            // 12. SAVE THE RESULTS
            string fileNameBase = Path.GetFileNameWithoutExtension(sourceAudio.Name);

            var eventsFile  = ResultsTools.SaveEvents(analyzer, fileNameBase, instanceOutputDirectory, mergedEventResults);
            var indicesFile = ResultsTools.SaveSummaryIndices(analyzer, fileNameBase, instanceOutputDirectory, mergedIndicesResults);
            var spectraFile = ResultsTools.SaveSpectralIndices(analyzer, fileNameBase, instanceOutputDirectory, mergedSpectralIndexResults);

            // 13. THIS IS WHERE SUMMARY INDICES ARE PROCESSED
            //     Convert summary indices to black and white tracks image
            if (mergedIndicesResults == null)
            {
                Log.Info("No summary indices produced");
            }
            else
            {
                if (indicesPropertiesConfig == null || !indicesPropertiesConfig.Exists)
                {
                    throw new InvalidOperationException("Cannot process indices without an index configuration file, the file could not be found!");
                }

                // this arbitrary amount of data.
                if (mergedIndicesResults.Length > 5000)
                {
                    Log.Warn("Summary Indices Image not able to be drawn - there are too many indices to render");
                }
                else
                {
                    var    basename   = Path.GetFileNameWithoutExtension(fileNameBase);
                    string imageTitle = $"SOURCE:{basename},   {Meta.OrganizationTag};  ";

                    // Draw Tracks-Image of Summary indices
                    // set time scale resolution for drawing of summary index tracks
                    TimeSpan timeScale   = TimeSpan.FromSeconds(0.1);
                    Bitmap   tracksImage =
                        IndexDisplay.DrawImageOfSummaryIndices(
                            IndexProperties.GetIndexProperties(indicesPropertiesConfig),
                            indicesFile,
                            imageTitle,
                            timeScale,
                            fileSegment.TargetFileStartDate);
                    var imagePath = FilenameHelpers.AnalysisResultPath(instanceOutputDirectory, basename, "SummaryIndices", ImageFileExt);
                    tracksImage.Save(imagePath);
                }
            }

            // 14. wrap up, write stats
            LoggedConsole.WriteLine("INDICES CSV file(s) = " + (indicesFile?.Name ?? "<<No indices result, no file!>>"));
            LoggedConsole.WriteLine("\tNumber of rows (i.e. minutes) in CSV file of indices = " + numberOfRowsOfIndices);
            LoggedConsole.WriteLine(string.Empty);

            if (eventsFile == null)
            {
                LoggedConsole.WriteLine("An Events CSV file was NOT returned.");
            }
            else
            {
                LoggedConsole.WriteLine("EVENTS CSV file(s) = " + eventsFile.Name);
                LoggedConsole.WriteLine("\tNumber of events = " + eventsCount);
            }

            Log.Success($"Analysis Complete.\nSource={sourceAudio.Name}\nOutput={instanceOutputDirectory.FullName}");
        }