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Refactored the LAME interop.

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This commit is contained in:
karamanolev
2011-10-24 08:42:30 +00:00
parent 6f84aadc2e
commit d7f588e19c
22 changed files with 970 additions and 899 deletions
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70
CUETools.Codecs.LAME/LAMEEncoderCBR.cs Normal file
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using System;
using System.IO;
using CUETools.Codecs.LAME.Interop;
namespace CUETools.Codecs.LAME
{
[AudioEncoderClass("lame CBR", "mp3", false, "96 128 192 256 320", "256", 2, typeof(LAMEEncoderCBRSettings))]
public class LAMEEncoderCBR : LAMEEncoder
{
private static readonly uint[] bps_table = new uint[] { 96, 128, 192, 256, 320 };
private uint bps;
private LAMEEncoderCBRSettings _settings = new LAMEEncoderCBRSettings();
public override object Settings
{
get
{
return _settings;
}
set
{
if (value as LAMEEncoderCBRSettings == null)
throw new Exception("Unsupported options " + value);
_settings = value as LAMEEncoderCBRSettings;
}
}
public override int CompressionLevel
{
get
{
for (int i = 0; i < bps_table.Length; i++)
{
if (bps == bps_table[i])
{
return i;
}
}
return -1;
}
set
{
if (value < 0 || value > bps_table.Length)
throw new Exception("unsupported compression level");
bps = bps_table[value];
}
}
public LAMEEncoderCBR(string path, Stream IO, AudioPCMConfig pcm)
: base(path, IO, pcm)
{
}
public LAMEEncoderCBR(string path, AudioPCMConfig pcm)
: base(path, null, pcm)
{
}
protected override BE_CONFIG MakeConfig()
{
BE_CONFIG Mp3Config = new BE_CONFIG(PCM, _settings.CustomBitrate > 0 ? (uint)_settings.CustomBitrate : bps, 5);
Mp3Config.format.lhv1.bWriteVBRHeader = 1;
Mp3Config.format.lhv1.nMode = _settings.StereoMode;
//Mp3Config.format.lhv1.nVbrMethod = VBRMETHOD.VBR_METHOD_NONE; // --cbr
//Mp3Config.format.lhv1.nPreset = LAME_QUALITY_PRESET.LQP_NORMAL_QUALITY;
return Mp3Config;
}
}
}