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/*
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* Get Audio routines include file
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*
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* Copyright (c) 1999 Albert L Faber
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef LAME_GET_AUDIO_H
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#define LAME_GET_AUDIO_H
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typedef enum sound_file_format_e {
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sf_unknown,
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sf_raw,
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sf_wave,
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sf_aiff,
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sf_mp1, /* MPEG Layer 1, aka mpg */
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sf_mp2, /* MPEG Layer 2 */
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sf_mp3, /* MPEG Layer 3 */
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sf_ogg
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} sound_file_format;
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FILE* init_outfile ( char *outPath, int decode );
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void init_infile(lame_global_flags *, char *inPath);
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void close_infile(void);
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int get_audio(lame_global_flags *gfp,short buffer[2][1152]);
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/* the simple lame decoder */
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/* After calling lame_init(), lame_init_params() and
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* init_infile(), call this routine to read the input MP3 file
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* and output .wav data to the specified file pointer
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* lame_decoder will ignore the first 528 samples, since these samples
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* represent the mpglib decoding delay (and are all 0).
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*skip = number of additional
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* samples to skip, to (for example) compensate for the encoder delay,
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* only used when decoding mp3
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*/
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int lame_decoder(lame_global_flags *gfp,FILE *outf,int skip, char *inPath, char *outPath);
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void SwapBytesInWords( short *loc, int words );
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#ifdef LIBSNDFILE
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#include "sndfile.h"
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#else
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/*****************************************************************
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* LAME/ISO built in audio file I/O routines
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*******************************************************************/
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#include "portableio.h"
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typedef struct blockAlign_struct {
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unsigned long offset;
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unsigned long blockSize;
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} blockAlign;
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typedef struct IFF_AIFF_struct {
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short numChannels;
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unsigned long numSampleFrames;
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short sampleSize;
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double sampleRate;
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unsigned long sampleType;
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blockAlign blkAlgn;
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} IFF_AIFF;
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extern int aiff_read_headers(FILE*, IFF_AIFF*);
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extern int aiff_seek_to_sound_data(FILE*);
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extern int aiff_write_headers(FILE*, IFF_AIFF*);
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extern int parse_wavheader(void);
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extern int parse_aiff(const char fn[]);
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extern void aiff_check(const char*, IFF_AIFF*, int*);
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#endif /* ifdef LIBSNDFILE */
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#endif /* ifndef LAME_GET_AUDIO_H */
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