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https://gitee.com/openharmony/third_party_libsnd
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127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*
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** Copyright (C) 2008-2011 Erik de Castro Lopo <erikd@mega-nerd.com>
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**
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the author nor the names of any contributors may be used
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** to endorse or promote products derived from this software without
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** specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <sndfile.h>
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#define BLOCK_SIZE 512
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static void
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print_usage (char *progname)
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{ printf ("\nUsage : %s <input file> <output file>\n", progname) ;
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puts ("\n"
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" Where the output file will contain a line for each frame\n"
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" and a column for each channel.\n"
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) ;
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} /* print_usage */
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static void
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convert_to_text (SNDFILE * infile, FILE * outfile, int channels)
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{ float buf [channels * BLOCK_SIZE] ;
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int k, m, readcount ;
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while ((readcount = sf_readf_float (infile, buf, BLOCK_SIZE)) > 0)
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{ for (k = 0 ; k < readcount ; k++)
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{ for (m = 0 ; m < channels ; m++)
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fprintf (outfile, " % 12.10f", buf [k * channels + m]) ;
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fprintf (outfile, "\n") ;
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} ;
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} ;
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return ;
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} /* convert_to_text */
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int
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main (int argc, char * argv [])
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{ char *progname, *infilename, *outfilename ;
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SNDFILE *infile = NULL ;
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FILE *outfile = NULL ;
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SF_INFO sfinfo ;
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progname = strrchr (argv [0], '/') ;
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progname = progname ? progname + 1 : argv [0] ;
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if (argc != 3)
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{ print_usage (progname) ;
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return 1 ;
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} ;
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infilename = argv [1] ;
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outfilename = argv [2] ;
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if (strcmp (infilename, outfilename) == 0)
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{ printf ("Error : Input and output filenames are the same.\n\n") ;
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print_usage (progname) ;
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return 1 ;
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} ;
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if (infilename [0] == '-')
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{ printf ("Error : Input filename (%s) looks like an option.\n\n", infilename) ;
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print_usage (progname) ;
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return 1 ;
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} ;
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if (outfilename [0] == '-')
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{ printf ("Error : Output filename (%s) looks like an option.\n\n", outfilename) ;
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print_usage (progname) ;
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return 1 ;
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} ;
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if ((infile = sf_open (infilename, SFM_READ, &sfinfo)) == NULL)
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{ printf ("Not able to open input file %s.\n", infilename) ;
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puts (sf_strerror (NULL)) ;
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return 1 ;
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} ;
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/* Open the output file. */
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if ((outfile = fopen (outfilename, "w")) == NULL)
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{ printf ("Not able to open output file %s : %s\n", outfilename, sf_strerror (NULL)) ;
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return 1 ;
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} ;
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fprintf (outfile, "# Converted from file %s.\n", infilename) ;
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fprintf (outfile, "# Channels %d, Sample rate %d\n", sfinfo.channels, sfinfo.samplerate) ;
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convert_to_text (infile, outfile, sfinfo.channels) ;
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sf_close (infile) ;
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fclose (outfile) ;
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return 0 ;
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} /* main */
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