88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
/*
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WDL - lameencdec.h
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Copyright (C) 2005 and later Cockos Incorporated
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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This file provides a simple interface for using lame_enc/libmp3lame MP3 encoding
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*/
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#ifndef _LAMEENCDEC_H_
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#define _LAMEENCDEC_H_
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#include "queue.h"
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#include "wdlstring.h"
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#include "assocarray.h"
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class LameEncoder
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{
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public:
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LameEncoder(int srate, int nch, int bitrate, int stereomode=1, int quality=2,
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int vbrmethod=-1, int vbrquality=2, int vbrmax=320, int abr=128, int rpgain=0,
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WDL_StringKeyedArray<char*> *metadata=NULL);
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~LameEncoder();
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int Status() { return errorstat; } // 1=no dll, 2=error
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void Encode(float *in, int in_spls, int spacing=1);
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WDL_Queue outqueue;
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void reinit()
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{
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spltmp[0].Advance(spltmp[0].Available());
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spltmp[0].Compact();
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spltmp[1].Advance(spltmp[1].Available());
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spltmp[1].Compact();
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}
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static const char *GetInfo();
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static const char *GetLibName();
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static int CheckDLL(); // returns >0 if DLL present, 1 for lame, 2 for old bladeenc
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static void InitDLL(const char *extrapath=NULL, bool forceRetry=false); // call with extrapath != NULL if you want to try loading from another path
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void SetVBRFilename(const char *fn)
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{
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m_vbrfile.Set(fn);
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}
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int GetNumChannels() { return m_encoder_nch; }
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int GetID3Len() const { return m_id3_len; }
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int GetIXMLLen() const { return m_ixml_len; }
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private:
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void SetMetadata(WDL_StringKeyedArray<char*> *metadata);
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int m_id3_len, m_ixml_len;
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WDL_HeapBuf m_apetag;
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void *m_lamestate;
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WDL_Queue spltmp[2];
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WDL_HeapBuf outtmp;
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WDL_String m_vbrfile;
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int errorstat;
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int in_size_samples;
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int m_nch,m_encoder_nch;
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};
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#endif
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