Removed AudioEncoderSettings/AudioDecoderSettings classes, all of their functionality is now in IAudioEncoderSettings/IAudioDecoderSettings interfaces.

This commit is contained in:
Grigory Chudov
2018-03-25 17:24:27 -04:00
parent 50fcd93ab9
commit 320e75d709
98 changed files with 5274 additions and 4863 deletions

View File

@@ -1,389 +1,375 @@
/**
* CUETools.WMA: WMA audio decoder
* Copyright (c) 20139 Grigory Chudov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using WindowsMediaLib;
using WindowsMediaLib.Defs;
using System.Runtime.InteropServices;
namespace CUETools.Codecs.WMA
{
public class DecoderSettings : AudioDecoderSettings
{
public override string Extension => "wma";
public override string Name => "windows";
public override Type DecoderType => typeof(AudioDecoder);
public override int Priority => 2;
public DecoderSettings() : base() { }
}
public class AudioDecoder : IAudioSource
{
IWMSyncReader m_syncReader;
INSSBuffer m_pSample;
int m_pSampleOffset = 0, m_pSampleSize = 0;
short m_wStreamNum = -1;
int m_dwAudioOutputNum = -1;
AudioPCMConfig pcm;
long m_sampleCount = -1, m_sampleOffset = 0;
string m_path;
Stream m_IO;
StreamWrapper m_streamWrapper;
public AudioDecoder(string path, Stream IO)
{
m_path = path;
isValid(path);
bool pfIsProtected;
WMUtils.WMIsContentProtected(path, out pfIsProtected);
if (pfIsProtected)
throw new Exception("DRM present");
WMUtils.WMCreateSyncReader(IntPtr.Zero, Rights.None, out m_syncReader);
if (path == null)
{
m_IO = IO != null ? IO : new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 0x10000);
m_streamWrapper = new StreamWrapper(m_IO);
m_syncReader.OpenStream(m_streamWrapper);
}
else
{
m_syncReader.Open(path);
}
var pProfile = (m_syncReader as IWMProfile);
int dwStreamCount;
pProfile.GetStreamCount(out dwStreamCount);
for (int dwIndex = 0; dwIndex < dwStreamCount; dwIndex++)
{
IWMStreamConfig pConfig = null;
pProfile.GetStream(dwIndex, out pConfig);
try
{
Guid guid;
pConfig.GetStreamType(out guid);
if (MediaType.Audio != guid)
continue;
short wStreamNum;
pConfig.GetStreamNumber(out wStreamNum);
int dwBitrate = -1;
pConfig.GetBitrate(out dwBitrate);
var pIWMMediaProps = pConfig as IWMMediaProps;
int cbType = 0;
pIWMMediaProps.GetMediaType(null, ref cbType);
var pMediaType = new AMMediaType();
pMediaType.formatSize = cbType;
pIWMMediaProps.GetMediaType(pMediaType, ref cbType);
if (pMediaType.formatType != FormatType.WaveEx)
continue;
if (pMediaType.subType != MediaSubType.WMAudio_Lossless)
continue;
m_wStreamNum = wStreamNum;
pcm = WaveFormatExtensible.FromMediaType(pMediaType).GetConfig();
break;
}
finally
{
Marshal.ReleaseComObject(pConfig);
}
}
if (m_wStreamNum == -1)
throw new Exception("No WMA lossless streams found");
m_syncReader.SetReadStreamSamples(m_wStreamNum, false);
bool pfCompressed;
m_syncReader.GetReadStreamSamples(m_wStreamNum, out pfCompressed);
if (pfCompressed)
throw new Exception("doesn't decompress");
m_syncReader.GetOutputNumberForStream(m_wStreamNum, out m_dwAudioOutputNum);
IWMOutputMediaProps pProps;
m_syncReader.GetOutputProps(m_dwAudioOutputNum, out pProps);
try
{
StringBuilder sName = null;
AMMediaType pMediaType = null;
int cbType = 0;
cbType = 0;
pMediaType = null;
pProps.GetMediaType(pMediaType, ref cbType);
// Get the name of the output we'll be using
sName = null;
short iName = 0;
pProps.GetConnectionName(sName, ref iName);
sName = new StringBuilder(iName);
pProps.GetConnectionName(sName, ref iName);
if (pcm.ChannelCount > 2)
{
m_syncReader.SetOutputSetting(m_dwAudioOutputNum, Constants.g_wszEnableDiscreteOutput, AttrDataType.BOOL, new byte[] { 1, 0, 0, 0 }, 4);
m_syncReader.SetOutputSetting(m_dwAudioOutputNum, Constants.g_wszSpeakerConfig, AttrDataType.DWORD, new byte[] { 0, 0, 0, 0 }, 4);
}
pMediaType = new AMMediaType();
pMediaType.formatSize = cbType - Marshal.SizeOf(typeof(AMMediaType));
//
// Get the value for MediaType
//
pProps.GetMediaType(pMediaType, ref cbType);
try
{
if (MediaType.Audio != pMediaType.majorType)
throw new Exception("not Audio");
if (FormatType.WaveEx != pMediaType.formatType)
throw new Exception("not WaveEx");
var wfe = new WaveFormatExtensible(pcm);
Marshal.FreeCoTaskMem(pMediaType.formatPtr);
pMediaType.formatPtr = IntPtr.Zero;
pMediaType.formatSize = 0;
pMediaType.formatPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(wfe));
pMediaType.formatSize = Marshal.SizeOf(wfe);
Marshal.StructureToPtr(wfe, pMediaType.formatPtr, false);
pProps.SetMediaType(pMediaType);
m_syncReader.SetOutputProps(m_dwAudioOutputNum, pProps);
}
finally
{
WMUtils.FreeWMMediaType(pMediaType);
}
}
finally
{
Marshal.ReleaseComObject(pProps);
}
//try
//{
// AttrDataType wmtType;
// short cbLength = 0;
// short wAnyStream = 0;
// var pHeaderInfo = m_syncReader as IWMHeaderInfo;
// pHeaderInfo.GetAttributeByName(ref wAnyStream, Constants.g_wszWMDuration, out wmtType, null, ref cbLength);
// var pbValue = new byte[cbLength];
// pHeaderInfo.GetAttributeByName(ref wAnyStream, Constants.g_wszWMDuration, out wmtType, pbValue, ref cbLength);
// var m_cnsFileDuration = BitConverter.ToInt64(pbValue, 0);
// _sampleCount = m_cnsFileDuration * m_pWfx.nSamplesPerSec / 10000000;
// // NOT ACCURATE ENOUGH (~1ms precision observed)
//}
//catch (COMException)
//{
//}
//try
//{
// var pHeaderInfo = m_syncReader as IWMHeaderInfo2;
// int nCodec;
// pHeaderInfo.GetCodecInfoCount(out nCodec);
// for (int wIndex = 0; wIndex < nCodec; wIndex++)
// {
// CodecInfoType enumCodecType;
// short cchName = 0;
// short cchDescription = 0;
// short cbCodecInfo = 0;
// pHeaderInfo.GetCodecInfo(wIndex, ref cchName, null,
// ref cchDescription, null, out enumCodecType,
// ref cbCodecInfo, null);
// var pwszName = new StringBuilder(cchName);
// var pwszDescription = new StringBuilder(cchDescription);
// var pbCodecInfo = new byte[cbCodecInfo];
// pHeaderInfo.GetCodecInfo(wIndex, ref cchName, pwszName,
// ref cchDescription, pwszDescription, out enumCodecType,
// ref cbCodecInfo, pbCodecInfo);
// if (enumCodecType == CodecInfoType.Audio)
// {
// // pbCodecInfo = {99,1} ??/
// }
// }
//}
//catch (COMException)
//{
//}
//int cbMax;
//m_syncReader.GetMaxOutputSampleSize(m_dwAudioOutputNum, out cbMax);
}
public AudioDecoderSettings Settings { get { return null; } }
public void isValid(string filename)
{
int pdwDataSize = 0;
WMUtils.WMValidateData(null, ref pdwDataSize);
byte[] data = new byte[pdwDataSize];
using (FileStream s = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
if (s.Read(data, 0, pdwDataSize) < pdwDataSize)
throw new Exception("partial read"); // TODO
}
WMUtils.WMValidateData(data, ref pdwDataSize);
}
public void Close()
{
//if (m_streamWrapper != null)
// m_streamWrapper.Close();
if (m_IO != null)
m_IO.Close();
if (m_pSample != null)
Marshal.ReleaseComObject(m_pSample);
if (m_syncReader != null)
{
m_syncReader.Close();
Marshal.ReleaseComObject(m_syncReader);
}
m_IO = null;
m_pSample = null;
m_syncReader = null;
}
public long Length
{
get
{
return m_sampleCount;
}
}
public long Remaining
{
get
{
return Length - Position;
}
}
public long Position
{
get
{
return m_sampleOffset / PCM.BlockAlign;
}
set
{
if (m_sampleCount < 0 || value > m_sampleCount)
throw new Exception("seeking past end of stream");
if (value < Position)
throw new NotSupportedException();
if (value < Position)
throw new Exception("cannot seek backwards");
var buff = new AudioBuffer(this, 0x10000);
while (value > Position && Read(buff, (int)Math.Min(Int32.MaxValue, value - Position)) != 0)
;
}
}
public AudioPCMConfig PCM
{
get
{
return pcm;
}
}
public string Path
{
get
{
return m_path;
}
}
public int Read(AudioBuffer buff, int maxLength)
{
buff.Prepare(this, maxLength);
int buff_offset = 0;
int buff_size = buff.ByteLength;
while (m_pSampleSize < buff_size)
{
if (m_pSampleSize > 0)
{
IntPtr pdwBuffer;
m_pSample.GetBuffer(out pdwBuffer);
Marshal.Copy((IntPtr)(pdwBuffer.ToInt64() + m_pSampleOffset), buff.Bytes, buff_offset, m_pSampleSize);
buff_size -= m_pSampleSize;
buff_offset += m_pSampleSize;
m_sampleOffset += m_pSampleSize;
m_pSampleSize = 0;
Marshal.ReleaseComObject(m_pSample);
m_pSample = null;
}
long cnsSampleTime;
long cnsDuration;
SampleFlag flags;
int dwOutputNum;
short wStreamNum;
try
{
m_syncReader.GetNextSample(m_wStreamNum, out m_pSample, out cnsSampleTime, out cnsDuration, out flags, out dwOutputNum, out wStreamNum);
}
catch (COMException ex)
{
// EOF
if (ex.ErrorCode == NSResults.E_NO_MORE_SAMPLES)
{
if ((m_sampleOffset % PCM.BlockAlign) != 0)
throw new Exception("(m_sampleOffset % PCM.BlockAlign) != 0");
m_sampleCount = m_sampleOffset / PCM.BlockAlign;
if ((buff_offset % PCM.BlockAlign) != 0)
throw new Exception("(buff_offset % PCM.BlockAlign) != 0");
return buff.Length = buff_offset / PCM.BlockAlign;
}
throw ex;
}
//if (dwOutputNum != m_dwAudioOutputNum || wStreamNum != m_wStreamNum)
//{
//}
m_pSampleOffset = 0;
m_pSample.GetLength(out m_pSampleSize);
}
if (buff_size > 0)
{
IntPtr pdwBuffer;
m_pSample.GetBuffer(out pdwBuffer);
Marshal.Copy((IntPtr)(pdwBuffer.ToInt64() + m_pSampleOffset), buff.Bytes, buff_offset, buff_size);
m_pSampleOffset += buff_size;
m_pSampleSize -= buff_size;
m_sampleOffset += buff_size;
buff_offset += buff_size;
buff_size = 0;
}
if ((buff_offset % PCM.BlockAlign) != 0)
throw new Exception("(buff_offset % PCM.BlockAlign) != 0");
return buff.Length = buff_offset / PCM.BlockAlign;
}
}
}
/**
* CUETools.WMA: WMA audio decoder
* Copyright (c) 20139 Grigory Chudov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using WindowsMediaLib;
using WindowsMediaLib.Defs;
namespace CUETools.Codecs.WMA
{
public class AudioDecoder : IAudioSource
{
IWMSyncReader m_syncReader;
INSSBuffer m_pSample;
int m_pSampleOffset = 0, m_pSampleSize = 0;
short m_wStreamNum = -1;
int m_dwAudioOutputNum = -1;
AudioPCMConfig pcm;
long m_sampleCount = -1, m_sampleOffset = 0;
string m_path;
Stream m_IO;
StreamWrapper m_streamWrapper;
public AudioDecoder(string path, Stream IO)
{
m_path = path;
isValid(path);
bool pfIsProtected;
WMUtils.WMIsContentProtected(path, out pfIsProtected);
if (pfIsProtected)
throw new Exception("DRM present");
WMUtils.WMCreateSyncReader(IntPtr.Zero, Rights.None, out m_syncReader);
if (path == null)
{
m_IO = IO != null ? IO : new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 0x10000);
m_streamWrapper = new StreamWrapper(m_IO);
m_syncReader.OpenStream(m_streamWrapper);
}
else
{
m_syncReader.Open(path);
}
var pProfile = (m_syncReader as IWMProfile);
int dwStreamCount;
pProfile.GetStreamCount(out dwStreamCount);
for (int dwIndex = 0; dwIndex < dwStreamCount; dwIndex++)
{
IWMStreamConfig pConfig = null;
pProfile.GetStream(dwIndex, out pConfig);
try
{
Guid guid;
pConfig.GetStreamType(out guid);
if (MediaType.Audio != guid)
continue;
short wStreamNum;
pConfig.GetStreamNumber(out wStreamNum);
int dwBitrate = -1;
pConfig.GetBitrate(out dwBitrate);
var pIWMMediaProps = pConfig as IWMMediaProps;
int cbType = 0;
pIWMMediaProps.GetMediaType(null, ref cbType);
var pMediaType = new AMMediaType();
pMediaType.formatSize = cbType;
pIWMMediaProps.GetMediaType(pMediaType, ref cbType);
if (pMediaType.formatType != FormatType.WaveEx)
continue;
if (pMediaType.subType != MediaSubType.WMAudio_Lossless)
continue;
m_wStreamNum = wStreamNum;
pcm = WaveFormatExtensible.FromMediaType(pMediaType).GetConfig();
break;
}
finally
{
Marshal.ReleaseComObject(pConfig);
}
}
if (m_wStreamNum == -1)
throw new Exception("No WMA lossless streams found");
m_syncReader.SetReadStreamSamples(m_wStreamNum, false);
bool pfCompressed;
m_syncReader.GetReadStreamSamples(m_wStreamNum, out pfCompressed);
if (pfCompressed)
throw new Exception("doesn't decompress");
m_syncReader.GetOutputNumberForStream(m_wStreamNum, out m_dwAudioOutputNum);
IWMOutputMediaProps pProps;
m_syncReader.GetOutputProps(m_dwAudioOutputNum, out pProps);
try
{
StringBuilder sName = null;
AMMediaType pMediaType = null;
int cbType = 0;
cbType = 0;
pMediaType = null;
pProps.GetMediaType(pMediaType, ref cbType);
// Get the name of the output we'll be using
sName = null;
short iName = 0;
pProps.GetConnectionName(sName, ref iName);
sName = new StringBuilder(iName);
pProps.GetConnectionName(sName, ref iName);
if (pcm.ChannelCount > 2)
{
m_syncReader.SetOutputSetting(m_dwAudioOutputNum, Constants.g_wszEnableDiscreteOutput, AttrDataType.BOOL, new byte[] { 1, 0, 0, 0 }, 4);
m_syncReader.SetOutputSetting(m_dwAudioOutputNum, Constants.g_wszSpeakerConfig, AttrDataType.DWORD, new byte[] { 0, 0, 0, 0 }, 4);
}
pMediaType = new AMMediaType();
pMediaType.formatSize = cbType - Marshal.SizeOf(typeof(AMMediaType));
//
// Get the value for MediaType
//
pProps.GetMediaType(pMediaType, ref cbType);
try
{
if (MediaType.Audio != pMediaType.majorType)
throw new Exception("not Audio");
if (FormatType.WaveEx != pMediaType.formatType)
throw new Exception("not WaveEx");
var wfe = new WaveFormatExtensible(pcm);
Marshal.FreeCoTaskMem(pMediaType.formatPtr);
pMediaType.formatPtr = IntPtr.Zero;
pMediaType.formatSize = 0;
pMediaType.formatPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(wfe));
pMediaType.formatSize = Marshal.SizeOf(wfe);
Marshal.StructureToPtr(wfe, pMediaType.formatPtr, false);
pProps.SetMediaType(pMediaType);
m_syncReader.SetOutputProps(m_dwAudioOutputNum, pProps);
}
finally
{
WMUtils.FreeWMMediaType(pMediaType);
}
}
finally
{
Marshal.ReleaseComObject(pProps);
}
//try
//{
// AttrDataType wmtType;
// short cbLength = 0;
// short wAnyStream = 0;
// var pHeaderInfo = m_syncReader as IWMHeaderInfo;
// pHeaderInfo.GetAttributeByName(ref wAnyStream, Constants.g_wszWMDuration, out wmtType, null, ref cbLength);
// var pbValue = new byte[cbLength];
// pHeaderInfo.GetAttributeByName(ref wAnyStream, Constants.g_wszWMDuration, out wmtType, pbValue, ref cbLength);
// var m_cnsFileDuration = BitConverter.ToInt64(pbValue, 0);
// _sampleCount = m_cnsFileDuration * m_pWfx.nSamplesPerSec / 10000000;
// // NOT ACCURATE ENOUGH (~1ms precision observed)
//}
//catch (COMException)
//{
//}
//try
//{
// var pHeaderInfo = m_syncReader as IWMHeaderInfo2;
// int nCodec;
// pHeaderInfo.GetCodecInfoCount(out nCodec);
// for (int wIndex = 0; wIndex < nCodec; wIndex++)
// {
// CodecInfoType enumCodecType;
// short cchName = 0;
// short cchDescription = 0;
// short cbCodecInfo = 0;
// pHeaderInfo.GetCodecInfo(wIndex, ref cchName, null,
// ref cchDescription, null, out enumCodecType,
// ref cbCodecInfo, null);
// var pwszName = new StringBuilder(cchName);
// var pwszDescription = new StringBuilder(cchDescription);
// var pbCodecInfo = new byte[cbCodecInfo];
// pHeaderInfo.GetCodecInfo(wIndex, ref cchName, pwszName,
// ref cchDescription, pwszDescription, out enumCodecType,
// ref cbCodecInfo, pbCodecInfo);
// if (enumCodecType == CodecInfoType.Audio)
// {
// // pbCodecInfo = {99,1} ??/
// }
// }
//}
//catch (COMException)
//{
//}
//int cbMax;
//m_syncReader.GetMaxOutputSampleSize(m_dwAudioOutputNum, out cbMax);
}
public IAudioDecoderSettings Settings => null;
public void isValid(string filename)
{
int pdwDataSize = 0;
WMUtils.WMValidateData(null, ref pdwDataSize);
byte[] data = new byte[pdwDataSize];
using (FileStream s = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
if (s.Read(data, 0, pdwDataSize) < pdwDataSize)
throw new Exception("partial read"); // TODO
}
WMUtils.WMValidateData(data, ref pdwDataSize);
}
public void Close()
{
//if (m_streamWrapper != null)
// m_streamWrapper.Close();
if (m_IO != null)
m_IO.Close();
if (m_pSample != null)
Marshal.ReleaseComObject(m_pSample);
if (m_syncReader != null)
{
m_syncReader.Close();
Marshal.ReleaseComObject(m_syncReader);
}
m_IO = null;
m_pSample = null;
m_syncReader = null;
}
public long Length
{
get
{
return m_sampleCount;
}
}
public long Remaining
{
get
{
return Length - Position;
}
}
public long Position
{
get
{
return m_sampleOffset / PCM.BlockAlign;
}
set
{
if (m_sampleCount < 0 || value > m_sampleCount)
throw new Exception("seeking past end of stream");
if (value < Position)
throw new NotSupportedException();
if (value < Position)
throw new Exception("cannot seek backwards");
var buff = new AudioBuffer(this, 0x10000);
while (value > Position && Read(buff, (int)Math.Min(Int32.MaxValue, value - Position)) != 0)
;
}
}
public AudioPCMConfig PCM
{
get
{
return pcm;
}
}
public string Path
{
get
{
return m_path;
}
}
public int Read(AudioBuffer buff, int maxLength)
{
buff.Prepare(this, maxLength);
int buff_offset = 0;
int buff_size = buff.ByteLength;
while (m_pSampleSize < buff_size)
{
if (m_pSampleSize > 0)
{
IntPtr pdwBuffer;
m_pSample.GetBuffer(out pdwBuffer);
Marshal.Copy((IntPtr)(pdwBuffer.ToInt64() + m_pSampleOffset), buff.Bytes, buff_offset, m_pSampleSize);
buff_size -= m_pSampleSize;
buff_offset += m_pSampleSize;
m_sampleOffset += m_pSampleSize;
m_pSampleSize = 0;
Marshal.ReleaseComObject(m_pSample);
m_pSample = null;
}
long cnsSampleTime;
long cnsDuration;
SampleFlag flags;
int dwOutputNum;
short wStreamNum;
try
{
m_syncReader.GetNextSample(m_wStreamNum, out m_pSample, out cnsSampleTime, out cnsDuration, out flags, out dwOutputNum, out wStreamNum);
}
catch (COMException ex)
{
// EOF
if (ex.ErrorCode == NSResults.E_NO_MORE_SAMPLES)
{
if ((m_sampleOffset % PCM.BlockAlign) != 0)
throw new Exception("(m_sampleOffset % PCM.BlockAlign) != 0");
m_sampleCount = m_sampleOffset / PCM.BlockAlign;
if ((buff_offset % PCM.BlockAlign) != 0)
throw new Exception("(buff_offset % PCM.BlockAlign) != 0");
return buff.Length = buff_offset / PCM.BlockAlign;
}
throw ex;
}
//if (dwOutputNum != m_dwAudioOutputNum || wStreamNum != m_wStreamNum)
//{
//}
m_pSampleOffset = 0;
m_pSample.GetLength(out m_pSampleSize);
}
if (buff_size > 0)
{
IntPtr pdwBuffer;
m_pSample.GetBuffer(out pdwBuffer);
Marshal.Copy((IntPtr)(pdwBuffer.ToInt64() + m_pSampleOffset), buff.Bytes, buff_offset, buff_size);
m_pSampleOffset += buff_size;
m_pSampleSize -= buff_size;
m_sampleOffset += buff_size;
buff_offset += buff_size;
buff_size = 0;
}
if ((buff_offset % PCM.BlockAlign) != 0)
throw new Exception("(buff_offset % PCM.BlockAlign) != 0");
return buff.Length = buff_offset / PCM.BlockAlign;
}
}
}

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@@ -0,0 +1,160 @@
using System;
using System.IO;
using System.Runtime.InteropServices;
using WindowsMediaLib;
using WindowsMediaLib.Defs;
namespace CUETools.Codecs.WMA
{
public class AudioEncoder : IAudioDest
{
IWMWriter m_pEncoder;
private string outputPath;
private bool closed = false;
private bool fileCreated = false;
private bool writingBegan = false;
private long sampleCount, finalSampleCount;
public long FinalSampleCount
{
set
{
this.finalSampleCount = value;
}
}
public string Path
{
get { return this.outputPath; }
}
EncoderSettings m_settings;
public IAudioEncoderSettings Settings => m_settings;
public AudioEncoder(string path, EncoderSettings settings)
{
this.m_settings = settings;
this.outputPath = path;
try
{
m_pEncoder = settings.GetWriter();
int cInputs;
m_pEncoder.GetInputCount(out cInputs);
if (cInputs < 1) throw new InvalidOperationException();
IWMInputMediaProps pInput;
m_pEncoder.GetInputProps(0, out pInput);
try
{
int cbType = 0;
AMMediaType pMediaType = null;
pInput.GetMediaType(pMediaType, ref cbType);
pMediaType = new AMMediaType();
pMediaType.formatSize = cbType - Marshal.SizeOf(typeof(AMMediaType));
pInput.GetMediaType(pMediaType, ref cbType);
try
{
var wfe = new WaveFormatExtensible(m_settings.PCM);
Marshal.FreeCoTaskMem(pMediaType.formatPtr);
pMediaType.formatPtr = IntPtr.Zero;
pMediaType.formatSize = 0;
pMediaType.formatPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(wfe));
pMediaType.formatSize = Marshal.SizeOf(wfe);
Marshal.StructureToPtr(wfe, pMediaType.formatPtr, false);
pInput.SetMediaType(pMediaType);
m_pEncoder.SetInputProps(0, pInput);
}
finally
{
WMUtils.FreeWMMediaType(pMediaType);
}
}
finally
{
Marshal.ReleaseComObject(pInput);
}
}
catch (Exception ex)
{
if (m_pEncoder != null)
{
Marshal.ReleaseComObject(m_pEncoder);
m_pEncoder = null;
}
throw ex;
}
}
public void Close()
{
if (!this.closed)
{
try
{
if (this.writingBegan)
{
m_pEncoder.EndWriting();
this.writingBegan = false;
}
}
finally
{
if (m_pEncoder != null)
{
Marshal.ReleaseComObject(m_pEncoder);
m_pEncoder = null;
}
}
this.closed = true;
}
}
public void Delete()
{
if (this.outputPath == null)
throw new InvalidOperationException("This writer was not created from file.");
if (!this.closed)
{
this.Close();
if (this.fileCreated)
{
File.Delete(this.outputPath);
this.fileCreated = false;
}
}
}
public void Write(AudioBuffer buffer)
{
if (this.closed)
throw new InvalidOperationException("Writer already closed.");
if (!this.fileCreated)
{
this.m_pEncoder.SetOutputFilename(outputPath);
this.fileCreated = true;
}
if (!this.writingBegan)
{
this.m_pEncoder.BeginWriting();
this.writingBegan = true;
}
buffer.Prepare(this);
INSSBuffer pSample;
m_pEncoder.AllocateSample(buffer.ByteLength, out pSample);
IntPtr pdwBuffer;
pSample.GetBuffer(out pdwBuffer);
pSample.SetLength(buffer.ByteLength);
Marshal.Copy(buffer.Bytes, 0, pdwBuffer, buffer.ByteLength);
long cnsSampleTime = sampleCount * 10000000L / Settings.PCM.SampleRate;
m_pEncoder.WriteSample(0, cnsSampleTime, SampleFlag.CleanPoint, pSample);
Marshal.ReleaseComObject(pSample);
sampleCount += buffer.Length;
}
}
}

View File

@@ -0,0 +1,34 @@
using Newtonsoft.Json;
using System;
using System.ComponentModel;
namespace CUETools.Codecs.WMA
{
[JsonObject(MemberSerialization.OptIn)]
public class DecoderSettings : IAudioDecoderSettings
{
#region IAudioDecoderSettings implementation
[Browsable(false)]
public string Extension => "wma";
[Browsable(false)]
public string Name => "windows";
[Browsable(false)]
public Type DecoderType => typeof(AudioDecoder);
[Browsable(false)]
public int Priority => 2;
public IAudioDecoderSettings Clone()
{
return MemberwiseClone() as IAudioDecoderSettings;
}
#endregion
public DecoderSettings()
{
this.Init();
}
}
}

View File

@@ -1,436 +1,305 @@
using System;
using System.ComponentModel;
using System.Runtime.InteropServices;
using CUETools.Codecs;
using System.IO;
using System.Text;
using WindowsMediaLib;
using WindowsMediaLib.Defs;
using System.Collections.Generic;
using Newtonsoft.Json;
namespace CUETools.Codecs.WMA
{
public abstract class EncoderSettings : AudioEncoderSettings
{
public override Type EncoderType => typeof(AudioEncoder);
public override bool Lossless => true;
public EncoderSettings()
: base()
{
}
protected Guid m_subType;
protected bool m_vbr = true;
public IWMWriter GetWriter()
{
IWMProfileManager pProfileManager = null;
try
{
WMUtils.WMCreateProfileManager(out pProfileManager);
var pCodecInfo3 = pProfileManager as IWMCodecInfo3;
// We have to use the same pProfileManager for enumeration,
// because it calls SetCodecEnumerationSetting, so chosenFormat.format
// would not point to the same format for a pProfileManager
// with different (default) settings, and GetCodecFormat
// would return the wrong stream config.
var formats = GetFormats(pProfileManager);
if (this.EncoderMode != "")
formats.RemoveAll(fmt => fmt.modeName != this.EncoderMode);
if (formats.Count < 1)
throw new NotSupportedException("codec/format not found");
if (formats.Count > 1)
throw new NotSupportedException("codec/format ambiguous");
var chosenFormat = formats[0];
IWMStreamConfig pStreamConfig1;
pCodecInfo3.GetCodecFormat(MediaType.Audio, chosenFormat.codec, chosenFormat.format, out pStreamConfig1);
try
{
pStreamConfig1.SetStreamNumber(1);
IWMProfile pProfile;
pProfileManager.CreateEmptyProfile(WMVersion.V9_0, out pProfile);
try
{
pProfile.AddStream(pStreamConfig1);
IWMWriter pWriter;
WMUtils.WMCreateWriter(IntPtr.Zero, out pWriter);
try
{
pWriter.SetProfile(pProfile);
}
catch (Exception ex)
{
Marshal.ReleaseComObject(pWriter);
throw ex;
}
return pWriter;
}
finally
{
Marshal.ReleaseComObject(pProfile);
}
}
finally
{
Marshal.ReleaseComObject(pStreamConfig1);
}
}
finally
{
Marshal.ReleaseComObject(pProfileManager);
}
}
internal IEnumerable<WMAFormatInfo> EnumerateFormatInfo(IWMProfileManager pProfileManager2)
{
IWMProfileManager pProfileManager = null;
try
{
if (pProfileManager2 == null)
WMUtils.WMCreateProfileManager(out pProfileManager);
var pCodecInfo3 = (pProfileManager2 ?? pProfileManager) as IWMCodecInfo3;
int cCodecs;
pCodecInfo3.GetCodecInfoCount(MediaType.Audio, out cCodecs);
for (int iCodec = 0; iCodec < cCodecs; iCodec++)
{
int szCodecName = 0;
pCodecInfo3.GetCodecName(MediaType.Audio, iCodec, null, ref szCodecName);
var codecName = new StringBuilder(szCodecName);
pCodecInfo3.GetCodecName(MediaType.Audio, iCodec, codecName, ref szCodecName);
var attrDataType = new AttrDataType();
int dwAttrSize = 0;
byte[] pAttrValue = new byte[4];
pCodecInfo3.GetCodecProp(MediaType.Audio, iCodec, Constants.g_wszIsVBRSupported, out attrDataType, pAttrValue, ref dwAttrSize);
if (pAttrValue[0] != 1)
continue;
if (m_vbr)
{
pCodecInfo3.SetCodecEnumerationSetting(MediaType.Audio, iCodec, Constants.g_wszVBREnabled, AttrDataType.BOOL, new byte[] { 1, 0, 0, 0 }, 4);
pCodecInfo3.SetCodecEnumerationSetting(MediaType.Audio, iCodec, Constants.g_wszNumPasses, AttrDataType.DWORD, new byte[] { 1, 0, 0, 0 }, 4);
}
else
{
pCodecInfo3.SetCodecEnumerationSetting(MediaType.Audio, iCodec, Constants.g_wszVBREnabled, AttrDataType.BOOL, new byte[] { 0, 0, 0, 0 }, 4);
}
int cFormat;
pCodecInfo3.GetCodecFormatCount(MediaType.Audio, iCodec, out cFormat);
for (int iFormat = 0; iFormat < cFormat; iFormat++)
{
IWMStreamConfig pStreamConfig;
int cchDesc = 1024;
StringBuilder szDesc = new StringBuilder(cchDesc);
pCodecInfo3.GetCodecFormatDesc(MediaType.Audio, iCodec, iFormat, out pStreamConfig, szDesc, ref cchDesc);
if (szDesc.ToString().Contains("(A/V)"))
continue;
try
{
var pProps = pStreamConfig as IWMMediaProps;
int cbType = 0;
AMMediaType pMediaType = null;
pProps.GetMediaType(pMediaType, ref cbType);
pMediaType = new AMMediaType();
pMediaType.formatSize = cbType - Marshal.SizeOf(typeof(AMMediaType));
pProps.GetMediaType(pMediaType, ref cbType);
try
{
if (pMediaType.majorType == MediaType.Audio && pMediaType.formatType == FormatType.WaveEx && pMediaType.subType == m_subType)
{
var pcm = WaveFormatExtensible.FromMediaType(pMediaType).GetConfig();
if (PCM == null || (pcm.ChannelCount == PCM.ChannelCount && pcm.SampleRate == PCM.SampleRate && pcm.BitsPerSample >= PCM.BitsPerSample))
yield return new WMAFormatInfo()
{
codec = iCodec,
codecName = codecName.ToString(),
format = iFormat,
formatName = szDesc.ToString(),
subType = pMediaType.subType,
pcm = pcm
};
}
}
finally
{
WMUtils.FreeWMMediaType(pMediaType);
}
}
finally
{
Marshal.ReleaseComObject(pStreamConfig);
}
}
}
}
finally
{
if (pProfileManager != null)
Marshal.ReleaseComObject(pProfileManager);
}
}
internal List<WMAFormatInfo> GetFormats(IWMProfileManager pProfileManager)
{
var formats = new List<WMAFormatInfo>(this.EnumerateFormatInfo(pProfileManager));
formats.RemoveAll(fmt => formats.Exists(fmt2 => fmt2.pcm.BitsPerSample < fmt.pcm.BitsPerSample && fmt2.pcm.ChannelCount == fmt.pcm.ChannelCount && fmt2.pcm.SampleRate == fmt.pcm.SampleRate));
if (formats.Count < 2) return formats;
int prefixLen = 0, suffixLen = 0;
while (formats.TrueForAll(s => s.formatName.Length > prefixLen &&
s.formatName.Substring(0, prefixLen + 1) ==
formats[0].formatName.Substring(0, prefixLen + 1)))
prefixLen++;
while (formats.TrueForAll(s => s.formatName.Length > suffixLen &&
s.formatName.Substring(s.formatName.Length - suffixLen - 1) ==
formats[0].formatName.Substring(formats[0].formatName.Length - suffixLen - 1)))
suffixLen++;
formats.ForEach(s => s.modeName = s.formatName.Substring(prefixLen, s.formatName.Length - suffixLen - prefixLen).Trim().Replace(' ', '_'));
int ix, iy;
formats.Sort((Comparison<WMAFormatInfo>)((x, y) => int.TryParse(x.modeName, out ix) && int.TryParse(y.modeName, out iy) ? ix - iy : x.modeName.CompareTo(y.modeName)));
return formats;
}
public override string GetSupportedModes(out string defaultMode)
{
var fmts = GetFormats(null);
defaultMode = fmts.Count > 0 ? fmts[fmts.Count - 1].modeName : "";
return string.Join(" ", fmts.ConvertAll(s => s.modeName).ToArray());
}
}
internal class WMAFormatInfo
{
public int codec;
public string codecName;
public int format;
public string formatName;
public string modeName;
public Guid subType;
public AudioPCMConfig pcm;
}
public class LosslessEncoderSettings : EncoderSettings
{
public override string Extension => "wma";
public override string Name => "wma lossless";
public override int Priority => 1;
public override bool Lossless => true;
public LosslessEncoderSettings()
: base()
{
this.m_subType = MediaSubType.WMAudio_Lossless;
}
}
public class LossyEncoderSettings : EncoderSettings
{
public override string Extension => "wma";
public override string Name => "wma lossy";
public override int Priority => 1;
public LossyEncoderSettings()
: base()
{
this.m_subType = MediaSubType.WMAudioV9;
}
public enum Codec
{
WMA9,
WMA10Pro
}
[DefaultValue(Codec.WMA10Pro)]
[JsonProperty]
public Codec Version
{
get
{
return this.m_subType == MediaSubType.WMAudioV9 ? Codec.WMA10Pro : Codec.WMA9;
}
set
{
this.m_subType = value == Codec.WMA10Pro ? MediaSubType.WMAudioV9 : MediaSubType.WMAudioV8;
}
}
[DefaultValue(true)]
[JsonProperty]
public bool VBR
{
get
{
return this.m_vbr;
}
set
{
this.m_vbr = value;
}
}
}
public class AudioEncoder : IAudioDest
{
IWMWriter m_pEncoder;
private string outputPath;
private bool closed = false;
private bool fileCreated = false;
private bool writingBegan = false;
private long sampleCount, finalSampleCount;
public long FinalSampleCount
{
set
{
this.finalSampleCount = value;
}
}
public string Path
{
get { return this.outputPath; }
}
EncoderSettings m_settings;
public virtual AudioEncoderSettings Settings
{
get
{
return m_settings;
}
}
public AudioEncoder(string path, EncoderSettings settings)
{
this.m_settings = settings;
this.outputPath = path;
try
{
m_pEncoder = settings.GetWriter();
int cInputs;
m_pEncoder.GetInputCount(out cInputs);
if (cInputs < 1) throw new InvalidOperationException();
IWMInputMediaProps pInput;
m_pEncoder.GetInputProps(0, out pInput);
try
{
int cbType = 0;
AMMediaType pMediaType = null;
pInput.GetMediaType(pMediaType, ref cbType);
pMediaType = new AMMediaType();
pMediaType.formatSize = cbType - Marshal.SizeOf(typeof(AMMediaType));
pInput.GetMediaType(pMediaType, ref cbType);
try
{
var wfe = new WaveFormatExtensible(m_settings.PCM);
Marshal.FreeCoTaskMem(pMediaType.formatPtr);
pMediaType.formatPtr = IntPtr.Zero;
pMediaType.formatSize = 0;
pMediaType.formatPtr = Marshal.AllocCoTaskMem(Marshal.SizeOf(wfe));
pMediaType.formatSize = Marshal.SizeOf(wfe);
Marshal.StructureToPtr(wfe, pMediaType.formatPtr, false);
pInput.SetMediaType(pMediaType);
m_pEncoder.SetInputProps(0, pInput);
}
finally
{
WMUtils.FreeWMMediaType(pMediaType);
}
}
finally
{
Marshal.ReleaseComObject(pInput);
}
}
catch (Exception ex)
{
if (m_pEncoder != null)
{
Marshal.ReleaseComObject(m_pEncoder);
m_pEncoder = null;
}
throw ex;
}
}
public void Close()
{
if (!this.closed)
{
try
{
if (this.writingBegan)
{
m_pEncoder.EndWriting();
this.writingBegan = false;
}
}
finally
{
if (m_pEncoder != null)
{
Marshal.ReleaseComObject(m_pEncoder);
m_pEncoder = null;
}
}
this.closed = true;
}
}
public void Delete()
{
if (this.outputPath == null)
throw new InvalidOperationException("This writer was not created from file.");
if (!this.closed)
{
this.Close();
if (this.fileCreated)
{
File.Delete(this.outputPath);
this.fileCreated = false;
}
}
}
public void Write(AudioBuffer buffer)
{
if (this.closed)
throw new InvalidOperationException("Writer already closed.");
if (!this.fileCreated)
{
this.m_pEncoder.SetOutputFilename(outputPath);
this.fileCreated = true;
}
if (!this.writingBegan)
{
this.m_pEncoder.BeginWriting();
this.writingBegan = true;
}
buffer.Prepare(this);
INSSBuffer pSample;
m_pEncoder.AllocateSample(buffer.ByteLength, out pSample);
IntPtr pdwBuffer;
pSample.GetBuffer(out pdwBuffer);
pSample.SetLength(buffer.ByteLength);
Marshal.Copy(buffer.Bytes, 0, pdwBuffer, buffer.ByteLength);
long cnsSampleTime = sampleCount * 10000000L / Settings.PCM.SampleRate;
m_pEncoder.WriteSample(0, cnsSampleTime, SampleFlag.CleanPoint, pSample);
Marshal.ReleaseComObject(pSample);
sampleCount += buffer.Length;
}
}
}
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Text;
using WindowsMediaLib;
using WindowsMediaLib.Defs;
namespace CUETools.Codecs.WMA
{
[JsonObject(MemberSerialization.OptIn)]
public abstract class EncoderSettings : IAudioEncoderSettings
{
#region IAudioEncoderSettings implementation
[Browsable(false)]
public string Extension => "wma";
[Browsable(false)]
public abstract string Name { get; }
[Browsable(false)]
public Type EncoderType => typeof(AudioEncoder);
[Browsable(false)]
public abstract bool Lossless { get; }
[Browsable(false)]
public int Priority => 1;
[Browsable(false)]
public string SupportedModes =>
string.Join(" ", GetFormats(null).ConvertAll(s => s.modeName).ToArray());
[Browsable(false)]
public string DefaultMode =>
GetFormats(null).ConvertAll(s => s.modeName).FindLast(x => true) ?? "";
[Browsable(false)]
[DefaultValue("")]
[JsonProperty]
public string EncoderMode { get; set; }
[Browsable(false)]
public AudioPCMConfig PCM { get; set; }
[Browsable(false)]
public int BlockSize { get; set; }
[Browsable(false)]
[DefaultValue(4096)]
public int Padding { get; set; }
public IAudioEncoderSettings Clone()
{
return MemberwiseClone() as IAudioEncoderSettings;
}
#endregion
public EncoderSettings()
{
this.Init();
}
protected Guid m_subType;
protected bool m_vbr = true;
public IWMWriter GetWriter()
{
IWMProfileManager pProfileManager = null;
try
{
WMUtils.WMCreateProfileManager(out pProfileManager);
var pCodecInfo3 = pProfileManager as IWMCodecInfo3;
// We have to use the same pProfileManager for enumeration,
// because it calls SetCodecEnumerationSetting, so chosenFormat.format
// would not point to the same format for a pProfileManager
// with different (default) settings, and GetCodecFormat
// would return the wrong stream config.
var formats = GetFormats(pProfileManager);
if (this.EncoderMode != "")
formats.RemoveAll(fmt => fmt.modeName != this.EncoderMode);
if (formats.Count < 1)
throw new NotSupportedException("codec/format not found");
if (formats.Count > 1)
throw new NotSupportedException("codec/format ambiguous");
var chosenFormat = formats[0];
IWMStreamConfig pStreamConfig1;
pCodecInfo3.GetCodecFormat(MediaType.Audio, chosenFormat.codec, chosenFormat.format, out pStreamConfig1);
try
{
pStreamConfig1.SetStreamNumber(1);
IWMProfile pProfile;
pProfileManager.CreateEmptyProfile(WMVersion.V9_0, out pProfile);
try
{
pProfile.AddStream(pStreamConfig1);
IWMWriter pWriter;
WMUtils.WMCreateWriter(IntPtr.Zero, out pWriter);
try
{
pWriter.SetProfile(pProfile);
}
catch (Exception ex)
{
Marshal.ReleaseComObject(pWriter);
throw ex;
}
return pWriter;
}
finally
{
Marshal.ReleaseComObject(pProfile);
}
}
finally
{
Marshal.ReleaseComObject(pStreamConfig1);
}
}
finally
{
Marshal.ReleaseComObject(pProfileManager);
}
}
internal IEnumerable<WMAFormatInfo> EnumerateFormatInfo(IWMProfileManager pProfileManager2)
{
IWMProfileManager pProfileManager = null;
try
{
if (pProfileManager2 == null)
WMUtils.WMCreateProfileManager(out pProfileManager);
var pCodecInfo3 = (pProfileManager2 ?? pProfileManager) as IWMCodecInfo3;
int cCodecs;
pCodecInfo3.GetCodecInfoCount(MediaType.Audio, out cCodecs);
for (int iCodec = 0; iCodec < cCodecs; iCodec++)
{
int szCodecName = 0;
pCodecInfo3.GetCodecName(MediaType.Audio, iCodec, null, ref szCodecName);
var codecName = new StringBuilder(szCodecName);
pCodecInfo3.GetCodecName(MediaType.Audio, iCodec, codecName, ref szCodecName);
var attrDataType = new AttrDataType();
int dwAttrSize = 0;
byte[] pAttrValue = new byte[4];
pCodecInfo3.GetCodecProp(MediaType.Audio, iCodec, Constants.g_wszIsVBRSupported, out attrDataType, pAttrValue, ref dwAttrSize);
if (pAttrValue[0] != 1)
continue;
if (m_vbr)
{
pCodecInfo3.SetCodecEnumerationSetting(MediaType.Audio, iCodec, Constants.g_wszVBREnabled, AttrDataType.BOOL, new byte[] { 1, 0, 0, 0 }, 4);
pCodecInfo3.SetCodecEnumerationSetting(MediaType.Audio, iCodec, Constants.g_wszNumPasses, AttrDataType.DWORD, new byte[] { 1, 0, 0, 0 }, 4);
}
else
{
pCodecInfo3.SetCodecEnumerationSetting(MediaType.Audio, iCodec, Constants.g_wszVBREnabled, AttrDataType.BOOL, new byte[] { 0, 0, 0, 0 }, 4);
}
int cFormat;
pCodecInfo3.GetCodecFormatCount(MediaType.Audio, iCodec, out cFormat);
for (int iFormat = 0; iFormat < cFormat; iFormat++)
{
IWMStreamConfig pStreamConfig;
int cchDesc = 1024;
StringBuilder szDesc = new StringBuilder(cchDesc);
pCodecInfo3.GetCodecFormatDesc(MediaType.Audio, iCodec, iFormat, out pStreamConfig, szDesc, ref cchDesc);
if (szDesc.ToString().Contains("(A/V)"))
continue;
try
{
var pProps = pStreamConfig as IWMMediaProps;
int cbType = 0;
AMMediaType pMediaType = null;
pProps.GetMediaType(pMediaType, ref cbType);
pMediaType = new AMMediaType();
pMediaType.formatSize = cbType - Marshal.SizeOf(typeof(AMMediaType));
pProps.GetMediaType(pMediaType, ref cbType);
try
{
if (pMediaType.majorType == MediaType.Audio && pMediaType.formatType == FormatType.WaveEx && pMediaType.subType == m_subType)
{
var pcm = WaveFormatExtensible.FromMediaType(pMediaType).GetConfig();
if (PCM == null || (pcm.ChannelCount == PCM.ChannelCount && pcm.SampleRate == PCM.SampleRate && pcm.BitsPerSample >= PCM.BitsPerSample))
yield return new WMAFormatInfo()
{
codec = iCodec,
codecName = codecName.ToString(),
format = iFormat,
formatName = szDesc.ToString(),
subType = pMediaType.subType,
pcm = pcm
};
}
}
finally
{
WMUtils.FreeWMMediaType(pMediaType);
}
}
finally
{
Marshal.ReleaseComObject(pStreamConfig);
}
}
}
}
finally
{
if (pProfileManager != null)
Marshal.ReleaseComObject(pProfileManager);
}
}
internal List<WMAFormatInfo> GetFormats(IWMProfileManager pProfileManager)
{
var formats = new List<WMAFormatInfo>(this.EnumerateFormatInfo(pProfileManager));
formats.RemoveAll(fmt => formats.Exists(fmt2 => fmt2.pcm.BitsPerSample < fmt.pcm.BitsPerSample && fmt2.pcm.ChannelCount == fmt.pcm.ChannelCount && fmt2.pcm.SampleRate == fmt.pcm.SampleRate));
if (formats.Count < 2) return formats;
int prefixLen = 0, suffixLen = 0;
while (formats.TrueForAll(s => s.formatName.Length > prefixLen &&
s.formatName.Substring(0, prefixLen + 1) ==
formats[0].formatName.Substring(0, prefixLen + 1)))
prefixLen++;
while (formats.TrueForAll(s => s.formatName.Length > suffixLen &&
s.formatName.Substring(s.formatName.Length - suffixLen - 1) ==
formats[0].formatName.Substring(formats[0].formatName.Length - suffixLen - 1)))
suffixLen++;
formats.ForEach(s => s.modeName = s.formatName.Substring(prefixLen, s.formatName.Length - suffixLen - prefixLen).Trim().Replace(' ', '_'));
int ix, iy;
formats.Sort((Comparison<WMAFormatInfo>)((x, y) => int.TryParse(x.modeName, out ix) && int.TryParse(y.modeName, out iy) ? ix - iy : x.modeName.CompareTo(y.modeName)));
return formats;
}
}
internal class WMAFormatInfo
{
public int codec;
public string codecName;
public int format;
public string formatName;
public string modeName;
public Guid subType;
public AudioPCMConfig pcm;
}
public class LosslessEncoderSettings : EncoderSettings
{
public override string Name => "wma lossless";
public override bool Lossless => true;
public LosslessEncoderSettings()
: base()
{
this.m_subType = MediaSubType.WMAudio_Lossless;
}
}
public class LossyEncoderSettings : EncoderSettings
{
public override string Name => "wma lossy";
public override bool Lossless => false;
public LossyEncoderSettings()
: base()
{
this.m_subType = MediaSubType.WMAudioV9;
}
public enum Codec
{
WMA9,
WMA10Pro
}
[DefaultValue(Codec.WMA10Pro)]
[JsonProperty]
public Codec Version
{
get
{
return this.m_subType == MediaSubType.WMAudioV9 ? Codec.WMA10Pro : Codec.WMA9;
}
set
{
this.m_subType = value == Codec.WMA10Pro ? MediaSubType.WMAudioV9 : MediaSubType.WMAudioV8;
}
}
[DefaultValue(true)]
[JsonProperty]
public bool VBR
{
get
{
return this.m_vbr;
}
set
{
this.m_vbr = value;
}
}
}
}