示例#1
0
 public void MyTestCleanup()
 {
     pipe.Close();
     pipe = null;
     wave.Close();
     wave = null;
 }
示例#2
0
        static void Main(string[] args)
        {
            Console.SetOut(Console.Error);
            Console.WriteLine("LossyWAV {0}, Copyright (C) 2007,2008 Nick Currie, Copyleft.", LossyWAVWriter.version_string);
            Console.WriteLine("C# port Copyright (C) 2008 Grigory Chudov.");
            Console.WriteLine("This is free software under the GNU GPLv3+ license; There is NO WARRANTY, to");
            Console.WriteLine("the extent permitted by law. <http://www.gnu.org/licenses/> for details.");
            if (args.Length < 1 || (args[0].StartsWith("-") && args[0] != "-"))
            {
                Usage();
                return;
            }
            string sourceFile       = args[0];
            string stdinName        = null;
            double quality          = 5.0;
            bool   createCorrection = false;
            bool   toStdout         = false;
            int    outputBPS        = 0;

            for (int arg = 1; arg < args.Length; arg++)
            {
                bool ok = true;
                if (args[arg] == "-I" || args[arg] == "--insane")
                {
                    quality = 10;
                }
                else if (args[arg] == "-E" || args[arg] == "--extreme")
                {
                    quality = 7.5;
                }
                else if (args[arg] == "-S" || args[arg] == "--standard")
                {
                    quality = 5.0;
                }
                else if (args[arg] == "-P" || args[arg] == "--portable")
                {
                    quality = 2.5;
                }
                else if (args[arg] == "-C" || args[arg] == "--correction")
                {
                    createCorrection = true;
                }
                else if (args[arg] == "--16")
                {
                    outputBPS = 16;
                }
                else if ((args[arg] == "-N" || args[arg] == "--stdinname") && ++arg < args.Length)
                {
                    stdinName = args[arg];
                }
                else if ((args[arg] == "-q" || args[arg] == "--quality") && ++arg < args.Length)
                {
                    ok = double.TryParse(args[arg], out quality);
                }
                else if (args[arg] == "--stdout")
                {
                    toStdout = true;
                }
                else
                {
                    ok = false;
                }
                if (!ok)
                {
                    Usage();
                    return;
                }
            }
            DateTime start     = DateTime.Now;
            TimeSpan lastPrint = TimeSpan.FromMilliseconds(0);

#if !DEBUG
            try
#endif
            {
                Codecs.WAV.AudioDecoder audioSource = new Codecs.WAV.AudioDecoder(new Codecs.WAV.DecoderSettings()
                {
                    IgnoreChunkSizes = (sourceFile == "-")
                }, sourceFile, (sourceFile == "-" ? Console.OpenStandardInput() : null));
                if (sourceFile == "-" && stdinName != null)
                {
                    sourceFile = stdinName;
                }
                AudioPCMConfig          pcm       = outputBPS == 0 ? audioSource.PCM : new AudioPCMConfig(outputBPS, audioSource.PCM.ChannelCount, audioSource.PCM.SampleRate, audioSource.PCM.ChannelMask);
                Codecs.WAV.AudioEncoder audioDest = new Codecs.WAV.AudioEncoder(new Codecs.WAV.EncoderSettings(pcm), Path.ChangeExtension(sourceFile, ".lossy.wav"), toStdout ? Console.OpenStandardOutput() : null);
                Codecs.WAV.AudioEncoder lwcdfDest = createCorrection ? new Codecs.WAV.AudioEncoder(new Codecs.WAV.EncoderSettings(audioSource.PCM), Path.ChangeExtension(sourceFile, ".lwcdf.wav")) : null;
                LossyWAVWriter          lossyWAV  = new LossyWAVWriter(audioDest, lwcdfDest, quality, new Codecs.WAV.EncoderSettings(audioSource.PCM));
                AudioBuffer             buff      = new AudioBuffer(audioSource, 0x10000);

                Console.WriteLine("Filename  : {0}", sourceFile);
                Console.WriteLine("File Info : {0}kHz; {1} channel; {2} bit; {3}", audioSource.PCM.SampleRate, audioSource.PCM.ChannelCount, audioSource.PCM.BitsPerSample, TimeSpan.FromSeconds(audioSource.Length * 1.0 / audioSource.PCM.SampleRate));
                lossyWAV.FinalSampleCount = audioSource.Length;

                while (audioSource.Read(buff, -1) != 0)
                {
                    lossyWAV.Write(buff);
                    TimeSpan elapsed = DateTime.Now - start;
                    if ((elapsed - lastPrint).TotalMilliseconds > 60)
                    {
                        Console.Error.Write("\rProgress  : {0:00}%; {1:0.0000} bits; {2:0.00}x; {3}/{4}",
                                            100.0 * audioSource.Position / audioSource.Length,
                                            1.0 * lossyWAV.OverallBitsRemoved / audioSource.PCM.ChannelCount / lossyWAV.BlocksProcessed,
                                            lossyWAV.SamplesProcessed / elapsed.TotalSeconds / audioSource.PCM.SampleRate,
                                            elapsed,
                                            TimeSpan.FromMilliseconds(elapsed.TotalMilliseconds / lossyWAV.SamplesProcessed * audioSource.Length)
                                            );
                        lastPrint = elapsed;
                    }
                }

                TimeSpan totalElapsed = DateTime.Now - start;
                Console.Error.Write("\r                                                                         \r");
                Console.WriteLine("Results   : {0:0.0000} bits; {1:0.00}x; {2}",
                                  (1.0 * lossyWAV.OverallBitsRemoved) / audioSource.PCM.ChannelCount / lossyWAV.BlocksProcessed,
                                  lossyWAV.SamplesProcessed / totalElapsed.TotalSeconds / audioSource.PCM.SampleRate,
                                  totalElapsed
                                  );
                audioSource.Close();
                lossyWAV.Close();
            }
#if !DEBUG
            catch (Exception ex)
            {
                Console.WriteLine();
                Console.WriteLine("Error: {0}", ex.Message);
                //Console.WriteLine("{0}", ex.StackTrace);
            }
#endif
        }