generate.c
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上传日期:2022-01-05
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文件大小:4k
- /*
- ** Copyright (C) 2002-2009 Erik de Castro Lopo <erikd@mega-nerd.com>
- **
- ** All rights reserved.
- **
- ** Redistribution and use in source and binary forms, with or without
- ** modification, are permitted provided that the following conditions are
- ** met:
- **
- ** * Redistributions of source code must retain the above copyright
- ** notice, this list of conditions and the following disclaimer.
- ** * Redistributions in binary form must reproduce the above copyright
- ** notice, this list of conditions and the following disclaimer in
- ** the documentation and/or other materials provided with the
- ** distribution.
- ** * Neither the author nor the names of any contributors may be used
- ** to endorse or promote products derived from this software without
- ** specific prior written permission.
- **
- ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- ** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- ** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- ** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- ** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- ** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- ** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include "sfconfig.h"
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <math.h>
- #include <sndfile.h>
- #define BUFFER_LEN 4096
- static void encode_file (const char *infilename, const char *outfilename, int filetype) ;
- int
- main (int argc, char **argv)
- {
- if (argc != 2)
- { puts ("nEncode a single input file into a number of different output ") ;
- puts ("encodings. These output encodings can then be moved to another ") ;
- puts ("OS for testing.n") ;
- puts (" Usage : generate <filename>n") ;
- exit (1) ;
- } ;
- /* A couple of standard WAV files. Make sure Win32 plays these. */
- encode_file (argv [1], "pcmu8.wav" , SF_FORMAT_WAV | SF_FORMAT_PCM_U8) ;
- encode_file (argv [1], "pcm16.wav" , SF_FORMAT_WAV | SF_FORMAT_PCM_16) ;
- encode_file (argv [1], "imaadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_MS_ADPCM) ;
- encode_file (argv [1], "msadpcm.wav", SF_FORMAT_WAV | SF_FORMAT_IMA_ADPCM) ;
- encode_file (argv [1], "gsm610.wav" , SF_FORMAT_WAV | SF_FORMAT_GSM610) ;
- /* Soundforge W64. */
- encode_file (argv [1], "pcmu8.w64" , SF_FORMAT_W64 | SF_FORMAT_PCM_U8) ;
- encode_file (argv [1], "pcm16.w64" , SF_FORMAT_W64 | SF_FORMAT_PCM_16) ;
- encode_file (argv [1], "imaadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_MS_ADPCM) ;
- encode_file (argv [1], "msadpcm.w64", SF_FORMAT_W64 | SF_FORMAT_IMA_ADPCM) ;
- encode_file (argv [1], "gsm610.w64" , SF_FORMAT_W64 | SF_FORMAT_GSM610) ;
- return 0 ;
- } /* main */
- /*============================================================================================
- ** Helper functions and macros.
- */
- #define PUT_DOTS(k)
- { while (k--)
- putchar ('.') ;
- putchar (' ') ;
- }
- /*========================================================================================
- */
- static void
- encode_file (const char *infilename, const char *outfilename, int filetype)
- { static float buffer [BUFFER_LEN] ;
- SNDFILE *infile, *outfile ;
- SF_INFO sfinfo ;
- int k, readcount ;
- printf (" %s -> %s ", infilename, outfilename) ;
- fflush (stdout) ;
- k = 16 - strlen (outfilename) ;
- PUT_DOTS (k) ;
- if (! (infile = sf_open (infilename, SFM_READ, &sfinfo)))
- { printf ("Error : could not open file : %sn", infilename) ;
- puts (sf_strerror (NULL)) ;
- exit (1) ;
- }
- sfinfo.format = filetype ;
- if (! sf_format_check (&sfinfo))
- { sf_close (infile) ;
- printf ("Invalid encodingn") ;
- return ;
- } ;
- if (! (outfile = sf_open (outfilename, SFM_WRITE, &sfinfo)))
- { printf ("Error : could not open file : %sn", outfilename) ;
- puts (sf_strerror (NULL)) ;
- exit (1) ;
- } ;
- while ((readcount = sf_read_float (infile, buffer, BUFFER_LEN)) > 0)
- sf_write_float (outfile, buffer, readcount) ;
- sf_close (infile) ;
- sf_close (outfile) ;
- printf ("okn") ;
- return ;
- } /* encode_file */