53 lines
2.0 KiB
C#
53 lines
2.0 KiB
C#
using Encoder.Lib;
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namespace Encoder;
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public static class Program
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{
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public static void Main(string[] args)
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{
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var inputDirectory = new DirectoryInfo("input");
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var outputDirectory = new DirectoryInfo("output");
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if (!inputDirectory.Exists)
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{
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inputDirectory.Create();
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}
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if (!outputDirectory.Exists)
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{
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outputDirectory.Create();
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}
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var coreCount = (int) Math.Max(Environment.ProcessorCount / 2, 1);
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var limitedTaskScheduler = new LimitedConcurrencyLevelTaskScheduler(coreCount);
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var limitedTaskFactory = new TaskFactory(limitedTaskScheduler);
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var tasks = new List<Task>();
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foreach (var file in inputDirectory.EnumerateFiles())
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{
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var task = limitedTaskFactory.StartNew(async () => {
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// detect volumes.
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var detectWorker = new DetectWorker("./", file.FullName, "-vn -af volumedetect");
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await detectWorker.Run().ConfigureAwait(false);
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if (string.IsNullOrEmpty(detectWorker.MaxVolume) || string.IsNullOrWhiteSpace(detectWorker.MeanVolume))
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{
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return;
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}
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var maxVolumeF = float.Parse(detectWorker.MaxVolume.Substring(0, detectWorker.MaxVolume.Length - 2));
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var meanVolumeF = float.Parse(detectWorker.MeanVolume.Substring(0, detectWorker.MeanVolume.Length - 2));
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var gainVolume = $"{Math.Round(meanVolumeF * 10 / 20 * -1)}dB";
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var outputFile = Path.ChangeExtension(Path.Combine(outputDirectory.FullName, file.Name), "m4a");
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// encoding
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EncodeWorker worker = new EncodeWorker("./", file.FullName, outputFile, $"-vn -ac 2 -c:a aac -b:a 256k -ar 48000 -af volume={gainVolume} -f mp4");
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await worker.Run().ConfigureAwait(false);
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});
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tasks.Add(task.Unwrap());
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}
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Task.WhenAll(tasks.ToArray()).ConfigureAwait(false).GetAwaiter().GetResult();
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}
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}
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