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cuetools.net/CUETools.ALACEnc/Program.cs
Wolfgang Stöggl d4dd402961 Bump copyright year to 2021 
- Substitute occurrences of "-2020" with "-2021" using:
  git grep -I -l -e '-2020' -- ':(exclude)*.bak' | xargs \
  sed -b -i -e 's/-2020/-2021/g'
2021-01-14 02:18:32 +01:00

297 lines
11 KiB
C#
Raw Blame History

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using CUETools.Codecs;
using CUETools.Codecs.ALAC;
namespace CUETools.ALACEnc
{
class Program
{
static void Usage()
{
Console.WriteLine("Usage : CUETools.ALACEnc.exe [options] <input.wav>");
Console.WriteLine();
Console.WriteLine("Options:");
Console.WriteLine();
Console.WriteLine(" -0 .. -10 Compression level, default 5.");
Console.WriteLine(" -o <file> Output filename, or \"-\" for stdout, or nul.");
//Console.WriteLine(" -p # Padding bytes.");
Console.WriteLine(" -q --quiet Quiet mode.");
Console.WriteLine(" --verify Verify during encoding.");
//Console.WriteLine(" --no-seektable Don't generate a seektable.");
Console.WriteLine();
Console.WriteLine("Advanced Options:");
Console.WriteLine();
Console.WriteLine(" -b # Block size (samples).");
Console.WriteLine(" -p # Padding (bytes).");
Console.WriteLine(" -s <method> Stereo decorrelation (independent,estimate,evaluate,search).");
Console.WriteLine(" --history-modifier # Rice history modifier {max} or {min},{max}, default 4,4.");
Console.WriteLine();
Console.WriteLine("LPC options:");
Console.WriteLine();
Console.WriteLine(" -m <method> Prediction order search (estimate,estsearch,logfast,search).");
Console.WriteLine(" -e # Estimation depth (1..30).");
Console.WriteLine(" -w <func>[,<func>] One or more window functions (welch,hann,flattop,tukey).");
Console.WriteLine(" --window-method Window selection method (estimate,evaluate,search).");
Console.WriteLine(" -l #[,#] Prediction order {max} or {min},{max} (1..30).");
Console.WriteLine();
}
static int Main(string[] args)
{
TextWriter stdout = Console.Out;
Console.SetOut(Console.Error);
DateTime start = DateTime.Now;
TimeSpan lastPrint = TimeSpan.FromMilliseconds(0);
bool debug = false, quiet = false;
string stereo_method = null;
string window_method = null;
string order_method = null;
string window_function = null;
string input_file = null;
string output_file = null;
int min_lpc_order = -1, max_lpc_order = -1,
estimation_depth = -1,
min_modifier = -1, max_modifier = -1;
int intarg = -1;
int initial_history = -1, history_mult = -1;
int adaptive_passes = -1;
bool do_seektable = true;
bool buffered = false;
var settings = new Codecs.ALAC.EncoderSettings();
for (int arg = 0; arg < args.Length; arg++)
{
bool ok = true;
if (args[arg].Length == 0)
ok = false;
else if (args[arg] == "--debug")
debug = true;
else if ((args[arg] == "-q" || args[arg] == "--quiet"))
quiet = true;
else if (args[arg] == "--verify")
settings.DoVerify = true;
else if (args[arg] == "--no-seektable")
do_seektable = false;
else if (args[arg] == "--buffered")
buffered = true;
else if ((args[arg] == "-o" || args[arg] == "--output") && ++arg < args.Length)
output_file = args[arg];
else if ((args[arg] == "-s" || args[arg] == "--stereo") && ++arg < args.Length)
stereo_method = args[arg];
else if ((args[arg] == "-m" || args[arg] == "--order-method") && ++arg < args.Length)
order_method = args[arg];
else if ((args[arg] == "-w" || args[arg] == "--window") && ++arg < args.Length)
window_function = args[arg];
else if (args[arg] == "--window-method" && ++arg < args.Length)
window_method = args[arg];
else if ((args[arg] == "-l" || args[arg] == "--lpc-order") && ++arg < args.Length)
{
ok = (args[arg].Split(',').Length == 2 &&
int.TryParse(args[arg].Split(',')[0], out min_lpc_order) &&
int.TryParse(args[arg].Split(',')[1], out max_lpc_order)) ||
int.TryParse(args[arg], out max_lpc_order);
}
else if ((args[arg] == "--history-modifier") && ++arg < args.Length)
{
ok = (args[arg].Split(',').Length == 2 &&
int.TryParse(args[arg].Split(',')[0], out min_modifier) &&
int.TryParse(args[arg].Split(',')[1], out max_modifier)) ||
int.TryParse(args[arg], out max_modifier);
}
else if ((args[arg] == "--initial-history") && ++arg < args.Length)
ok = int.TryParse(args[arg], out initial_history);
else if ((args[arg] == "--adaptive-passes") && ++arg < args.Length)
ok = int.TryParse(args[arg], out adaptive_passes);
else if ((args[arg] == "--history-mult") && ++arg < args.Length)
ok = int.TryParse(args[arg], out history_mult);
else if ((args[arg] == "-e" || args[arg] == "--estimation-depth") && ++arg < args.Length)
ok = int.TryParse(args[arg], out estimation_depth);
else if ((args[arg] == "-b" || args[arg] == "--blocksize") && ++arg < args.Length)
{
ok = int.TryParse(args[arg], out intarg);
settings.BlockSize = intarg;
}
else if ((args[arg] == "-p" || args[arg] == "--padding") && ++arg < args.Length)
{
ok = int.TryParse(args[arg], out intarg);
settings.Padding = intarg;
}
else if (args[arg] != "-" && args[arg][0] == '-' && int.TryParse(args[arg].Substring(1), out intarg))
{
ok = intarg >= 0 && intarg <= 11;
settings.SetEncoderModeIndex(intarg);
}
else if ((args[arg][0] != '-' || args[arg] == "-") && input_file == null)
input_file = args[arg];
else
ok = false;
if (!ok)
{
Usage();
return 1;
}
}
if (input_file == null || ((input_file == "-" || Path.GetExtension(input_file) == ".m4a") && output_file == null))
{
Usage();
return 2;
}
if (!quiet)
{
Console.WriteLine("CUETools.ALACEnc, Copyright (C) 2009-2021 Grigory Chudov.");
Console.WriteLine("Based on ffdshow ALAC audio encoder");
Console.WriteLine("Copyright (c) 2008 Jaikrishnan Menon, <realityman@gmx.net>");
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.");
}
//byte [] b = new byte[0x10000];
//int len = 0;
//Stream si = Console.OpenStandardInput();
//Stream so = new FileStream(output_file, FileMode.Create);
//do
//{
// len = si.Read(b, 0, 0x10000);
// so.Write(b, 0, len);
//} while (len > 0);
//return 0;
IAudioSource audioSource;
if (input_file == "-")
audioSource = new Codecs.WAV.AudioDecoder(new Codecs.WAV.DecoderSettings() { IgnoreChunkSizes = true }, "", Console.OpenStandardInput());
else if (File.Exists(input_file) && Path.GetExtension(input_file) == ".wav")
audioSource = new Codecs.WAV.AudioDecoder(new Codecs.WAV.DecoderSettings(), input_file);
else if (File.Exists(input_file) && Path.GetExtension(input_file) == ".m4a")
audioSource = new Codecs.ALAC.AudioDecoder(new Codecs.ALAC.DecoderSettings(), input_file);
else
{
Usage();
return 2;
}
if (buffered)
audioSource = new AudioPipe(audioSource, 0x10000);
if (output_file == null)
output_file = Path.ChangeExtension(input_file, "m4a");
settings.PCM = audioSource.PCM;
Codecs.ALAC.AudioEncoder alac = new Codecs.ALAC.AudioEncoder(settings,
(output_file == "-" || output_file == "nul") ? "" : output_file,
output_file == "-" ? Console.OpenStandardOutput() :
output_file == "nul" ? new NullStream() : null);
alac.FinalSampleCount = audioSource.Length;
IAudioDest audioDest = alac;
AudioBuffer buff = new AudioBuffer(audioSource, 0x10000);
try
{
if (stereo_method != null)
alac.StereoMethod = Alac.LookupStereoMethod(stereo_method);
if (order_method != null)
alac.OrderMethod = Alac.LookupOrderMethod(order_method);
if (window_function != null)
alac.WindowFunction = Alac.LookupWindowFunction(window_function);
if (window_method != null)
alac.WindowMethod = Alac.LookupWindowMethod(window_method);
if (max_lpc_order >= 0)
alac.MaxLPCOrder = max_lpc_order;
if (min_lpc_order >= 0)
alac.MinLPCOrder = min_lpc_order;
if (max_modifier >= 0)
alac.MaxHistoryModifier = max_modifier;
if (min_modifier >= 0)
alac.MinHistoryModifier = min_modifier;
if (history_mult >= 0)
alac.HistoryMult = history_mult;
if (initial_history >= 0)
alac.InitialHistory = initial_history;
if (estimation_depth >= 0)
alac.EstimationDepth = estimation_depth;
if (adaptive_passes >= 0)
alac.AdaptivePasses = adaptive_passes;
alac.DoSeekTable = do_seektable;
}
catch (Exception ex)
{
Usage();
Console.WriteLine("");
Console.WriteLine("Error: {0}.", ex.Message);
return 3;
}
if (!quiet)
{
Console.WriteLine("Filename : {0}", input_file);
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));
}
#if !DEBUG
try
#endif
{
while (audioSource.Read(buff, -1) != 0)
{
audioDest.Write(buff);
TimeSpan elapsed = DateTime.Now - start;
if (!quiet)
{
if ((elapsed - lastPrint).TotalMilliseconds > 60)
{
Console.Error.Write("\rProgress : {0:00}%; {1:0.00}x; {2}/{3}",
100.0 * audioSource.Position / audioSource.Length,
audioSource.Position / elapsed.TotalSeconds / audioSource.PCM.SampleRate,
elapsed,
TimeSpan.FromMilliseconds(elapsed.TotalMilliseconds / audioSource.Position * audioSource.Length)
);
lastPrint = elapsed;
}
}
}
audioDest.Close();
}
#if !DEBUG
catch (Exception ex)
{
Console.Error.Write("\r \r");
Console.WriteLine("Error : {0}", ex.Message);
audioDest.Delete();
audioSource.Close();
return 4;
}
#endif
if (!quiet)
{
TimeSpan totalElapsed = DateTime.Now - start;
Console.Error.Write("\r \r");
Console.WriteLine("Results : {0:0.00}x; {1}",
audioSource.Position / totalElapsed.TotalSeconds / audioSource.PCM.SampleRate,
totalElapsed
);
}
audioSource.Close();
if (debug)
{
Console.SetOut(stdout);
Console.Out.WriteLine("{0}\t{1}\t{2}\t{3}\t{4}\t{5}..{6}\t{7}..{8}\t{9}",
alac.TotalSize,
alac.UserProcessorTime.TotalSeconds,
alac.StereoMethod.ToString().PadRight(15),
(alac.OrderMethod.ToString() + (alac.OrderMethod == OrderMethod.Estimate ? "(" + alac.EstimationDepth.ToString() + ")" : "")).PadRight(15),
alac.WindowFunction.ToString() + "(" + alac.AdaptivePasses.ToString() + ")",
alac.MinLPCOrder,
alac.MaxLPCOrder,
alac.MinHistoryModifier,
alac.MaxHistoryModifier,
alac.Settings.BlockSize
);
}
//File.SetAttributes(output_file, FileAttributes.ReadOnly);
return 0;
}
}
}
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