示例#1
0
        /// <inheritdoc/>
        public void SaveMetadata(SettingDictionary settings = null)
        {
            if (settings == null)
            {
                settings = new SettingDictionary();
            }
            var extension = IO.Path.GetExtension(Path);

            // Make sure the provided settings are clean
            AudioMetadataEncoderManager.GetSettingInfoByExtension(extension).ValidateSettings(settings);

            using (var fileStream = File.Open(Path, FileMode.Open))
            {
                // Try each encoder that supports this file extension
                foreach (var factory in ExtensionProviderWrapper.GetFactories <IAudioMetadataEncoder>(
                             "Extension", extension))
                {
                    using (var export = factory.CreateExport())
                    {
                        if (_metadata == null)
                        {
                            _metadata = LoadMetadata(fileStream);
                        }

                        export.Value.WriteMetadata(fileStream, _metadata, settings);
                        return;
                    }
                }
            }

            throw new AudioUnsupportedException("No supporting extensions are available.");
        }
示例#2
0
        AudioInfo LoadInfo()
        {
            var logger = LoggerManager.LoggerFactory.CreateLogger <AudioFile>();

            using (var fileStream = File.OpenRead(Path))
            {
                // Try each info decoder that supports this file extension
                foreach (var factory in ExtensionProviderWrapper.GetFactories <IAudioInfoDecoder>(
                             "Extension", IO.Path.GetExtension(Path)))
                {
                    var format = string.Empty;
                    try
                    {
                        using (var export = factory.CreateExport())
                        {
                            format = export.Value.Format;
                            logger.LogDebug("Attempting to decode '{0}' as '{1}'.", Path, format);
                            return(export.Value.ReadAudioInfo(fileStream));
                        }
                    }
                    catch (AudioUnsupportedException e)
                    {
                        logger.LogDebug(e, "Unable to decode '{0}' as '{1}'.", Path, format);

                        // If a decoder wasn't supported, rewind the stream and try another
                        fileStream.Position = 0;
                    }
                }
            }

            throw new AudioUnsupportedException($"Unable to decode '{Path}' with any loaded extension.");
        }
        /// <summary>
        /// Gets information about the available settings that can be passed to an <see cref="ITaggedAudioFile"/>'s
        /// SaveMetadata method, for a given metadata format.
        /// </summary>
        /// <param name="format">The format.</param>
        /// <returns>Information about the available settings.</returns>
        /// <exception cref="ArgumentNullException">Thrown if <paramref name="format"/> is null.</exception>
        public static SettingInfoDictionary GetSettingInfoByFormat(string format)
        {
            if (format == null)
            {
                throw new ArgumentNullException(nameof(format));
            }

            // Try each encoder that supports this format:
            foreach (var factory in ExtensionProviderWrapper.GetFactories <IAudioMetadataEncoder>(
                         "Format", format))
            {
                using (var export = factory.CreateExport())
                    return(export.Value.SettingInfo);
            }

            return(new());
        }
        public static SettingInfoDictionary GetSettingInfoByExtension([NotNull] string extension)
        {
            if (extension == null)
            {
                throw new ArgumentNullException(nameof(extension));
            }

            // Try each encoder that supports this file extension:
            foreach (var factory in ExtensionProviderWrapper.GetFactories <IAudioMetadataEncoder>(
                         "Extension", extension))
            {
                using (var export = factory.CreateExport())
                    return(export.Value.SettingInfo);
            }

            return(new SettingInfoDictionary());
        }
示例#5
0
        /// <summary>
        /// Gets information about the available settings that can be passed to an <see cref="AudioFileAnalyzer"/>'s
        /// Analyze method, for a given analyzer.
        /// </summary>
        /// <param name="name">The name of the analyzer.</param>
        /// <returns>Information about the available settings.</returns>
        /// <exception cref="ArgumentNullException">Thrown if <paramref name="name"/> is null.</exception>
        public static SettingInfoDictionary GetSettingInfo(string name)
        {
            if (name == null)
            {
                throw new ArgumentNullException(nameof(name));
            }

            // Try each encoder that supports this file extension:
            foreach (var factory in ExtensionProviderWrapper.GetFactories <IAudioAnalyzer>(
                         "Name", name))
            {
                using (var export = factory.CreateExport())
                    return(export.Value.SettingInfo);
            }

            return(new());
        }
示例#6
0
        internal static void ProcessSamples(
            [NotNull] this ISampleProcessor sampleProcessor,
            [NotNull] string inputFilePath,
            [CanBeNull] IProgress <int> progress,
            CancellationToken cancellationToken)
        {
            using (var inputStream = File.OpenRead(inputFilePath))
            {
                // Try each decoder that supports this file extension
                foreach (var decoderFactory in ExtensionProviderWrapper.GetFactories <IAudioDecoder>(
                             "Extension", Path.GetExtension(inputFilePath)))
                {
                    try
                    {
                        using (var decoderExport = decoderFactory.CreateExport())
                        {
                            decoderExport.Value.Initialize(inputStream);

                            while (!decoderExport.Value.Finished)
                            {
                                cancellationToken.ThrowIfCancellationRequested();

                                using (var samples = decoderExport.Value.DecodeSamples())
                                {
                                    sampleProcessor.Submit(samples);
                                    progress?.Report(samples.Frames);
                                }
                            }
                        }

                        return;
                    }
                    catch (AudioUnsupportedException)
                    {
                        // If a decoder wasn't supported, rewind the stream and try another:
                        inputStream.Position = 0;
                    }
                }

                throw new AudioUnsupportedException("No supporting decoders are available.");
            }
        }
示例#7
0
        static AudioMetadata LoadMetadata([NotNull] FileStream stream)
        {
            var initialPosition = stream.Position;
            var logger          = LoggerManager.LoggerFactory.CreateLogger <TaggedAudioFile>();

            try
            {
                // Try each decoder that supports this file extension
                foreach (var decoderFactory in ExtensionProviderWrapper.GetFactories <IAudioMetadataDecoder>(
                             // ReSharper disable once AssignNullToNotNullAttribute
                             "Extension", IO.Path.GetExtension(stream.Name)))
                {
                    var format = string.Empty;
                    try
                    {
                        using (var export = decoderFactory.CreateExport())
                        {
                            format = export.Value.Format;
                            logger.LogDebug("Attempting to read '{0}' metadata from '{1}'.", format, stream.Name);
                            return(export.Value.ReadMetadata(stream));
                        }
                    }
                    catch (AudioUnsupportedException e)
                    {
                        logger.LogDebug(e, "Unable to read '{0}' metadata from '{1}'.", format, stream.Name);

                        // If a decoder wasn't supported, rewind the stream and try another
                        stream.Position = 0;
                    }
                }

                logger.LogDebug("Unable to read any metadata from '{0}'.", stream.Name);
                return(new AudioMetadata());
            }
            finally
            {
                stream.Position = initialPosition;
            }
        }
示例#8
0
 public static IEnumerable <AudioFileFormatInfo> GetFormatInfo()
 {
     return(ExtensionProviderWrapper.GetFactories <IAudioInfoDecoder>()
            .Select(factory => new AudioFileFormatInfo(factory.Metadata)));
 }
 /// <summary>
 /// Gets information about the available metadata encoders.
 /// </summary>
 /// <returns>The encoder info.</returns>
 public static IEnumerable <AudioMetadataEncoderInfo> GetEncoderInfo() =>
 ExtensionProviderWrapper.GetFactories <IAudioMetadataEncoder>()
 .Select(factory => new AudioMetadataEncoderInfo(factory.Metadata));
示例#10
0
 public static IEnumerable <AudioAnalyzerInfo> GetAnalyzerInfo()
 {
     return(ExtensionProviderWrapper.GetFactories <IAudioAnalyzer>()
            .Select(factory => new AudioAnalyzerInfo(factory.Metadata)));
 }