sndfile-convert.c
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上传日期:2022-01-05
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文件大小:9k
- /*
- ** Copyright (C) 1999-2009 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 <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <ctype.h>
- #include <sndfile.h>
- #include "common.h"
- typedef struct
- { char *infilename, *outfilename ;
- SF_INFO infileinfo, outfileinfo ;
- } OptionData ;
- static void copy_metadata (SNDFILE *outfile, SNDFILE *infile, int channels) ;
- static void
- print_usage (char *progname)
- {
- printf ("nUsage : %s [options] [encoding] <input file> <output file>n", progname) ;
- puts ("n"
- " where [option] may be:nn"
- " -override-sample-rate=X : force sample rate of input to Xn"
- ) ;
- puts (
- " where [encoding] may be one of the following:nn"
- " -pcms8 : force the output to signed 8 bit pcmn"
- " -pcmu8 : force the output to unsigned 8 bit pcmn"
- " -pcm16 : force the output to 16 bit pcmn"
- " -pcm24 : force the output to 24 bit pcmn"
- " -pcm32 : force the output to 32 bit pcmn"
- " -float32 : force the output to 32 bit floating point"
- ) ;
- puts (
- " -ulaw : force the output ULAWn"
- " -alaw : force the output ALAWn"
- " -ima-adpcm : force the output to IMA ADPCM (WAV only)n"
- " -ms-adpcm : force the output to MS ADPCM (WAV only)n"
- " -gsm610 : force the GSM6.10 (WAV only)n"
- " -dwvw12 : force the output to 12 bit DWVW (AIFF only)n"
- " -dwvw16 : force the output to 16 bit DWVW (AIFF only)n"
- " -dwvw24 : force the output to 24 bit DWVW (AIFF only)n"
- " -vorbis : force the output to Vorbis (OGG only)n"
- ) ;
- puts (
- " The format of the output file is determined by the file extension of then"
- " output file name. The following extensions are currently understood:n"
- ) ;
- sfe_dump_format_map () ;
- puts ("") ;
- } /* print_usage */
- int
- main (int argc, char * argv [])
- { char *progname, *infilename, *outfilename ;
- SNDFILE *infile = NULL, *outfile = NULL ;
- SF_INFO sfinfo ;
- int k, outfilemajor, outfileminor = 0, infileminor ;
- int override_sample_rate = 0 ; /* assume no sample rate override. */
- progname = strrchr (argv [0], '/') ;
- progname = progname ? progname + 1 : argv [0] ;
- if (argc < 3 || argc > 5)
- { print_usage (progname) ;
- return 1 ;
- } ;
- infilename = argv [argc-2] ;
- outfilename = argv [argc-1] ;
- if (strcmp (infilename, outfilename) == 0)
- { printf ("Error : Input and output filenames are the same.nn") ;
- print_usage (progname) ;
- return 1 ;
- } ;
- if (strlen (infilename) > 1 && infilename [0] == '-')
- { printf ("Error : Input filename (%s) looks like an option.nn", infilename) ;
- print_usage (progname) ;
- return 1 ;
- } ;
- if (outfilename [0] == '-')
- { printf ("Error : Output filename (%s) looks like an option.nn", outfilename) ;
- print_usage (progname) ;
- return 1 ;
- } ;
- for (k = 1 ; k < argc - 2 ; k++)
- { if (! strcmp (argv [k], "-pcms8"))
- { outfileminor = SF_FORMAT_PCM_S8 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-pcmu8"))
- { outfileminor = SF_FORMAT_PCM_U8 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-pcm16"))
- { outfileminor = SF_FORMAT_PCM_16 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-pcm24"))
- { outfileminor = SF_FORMAT_PCM_24 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-pcm32"))
- { outfileminor = SF_FORMAT_PCM_32 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-float32"))
- { outfileminor = SF_FORMAT_FLOAT ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-ulaw"))
- { outfileminor = SF_FORMAT_ULAW ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-alaw"))
- { outfileminor = SF_FORMAT_ALAW ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-ima-adpcm"))
- { outfileminor = SF_FORMAT_IMA_ADPCM ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-ms-adpcm"))
- { outfileminor = SF_FORMAT_MS_ADPCM ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-gsm610"))
- { outfileminor = SF_FORMAT_GSM610 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-dwvw12"))
- { outfileminor = SF_FORMAT_DWVW_12 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-dwvw16"))
- { outfileminor = SF_FORMAT_DWVW_16 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-dwvw24"))
- { outfileminor = SF_FORMAT_DWVW_24 ;
- continue ;
- } ;
- if (! strcmp (argv [k], "-vorbis"))
- { outfileminor = SF_FORMAT_VORBIS ;
- continue ;
- } ;
- if (strstr (argv [k], "-override-sample-rate=") == argv [k])
- { const char *ptr ;
- ptr = argv [k] + strlen ("-override-sample-rate=") ;
- override_sample_rate = atoi (ptr) ;
- continue ;
- } ;
- printf ("Error : Not able to decode argunment '%s'.n", argv [k]) ;
- exit (1) ;
- } ;
- if ((infile = sf_open (infilename, SFM_READ, &sfinfo)) == NULL)
- { printf ("Not able to open input file %s.n", infilename) ;
- puts (sf_strerror (NULL)) ;
- return 1 ;
- } ;
- /* Update sample rate if forced to something else. */
- if (override_sample_rate)
- sfinfo.samplerate = override_sample_rate ;
- infileminor = sfinfo.format & SF_FORMAT_SUBMASK ;
- if ((sfinfo.format = sfe_file_type_of_ext (outfilename, sfinfo.format)) == 0)
- { printf ("Error : Not able to determine output file type for %s.n", outfilename) ;
- return 1 ;
- } ;
- outfilemajor = sfinfo.format & (SF_FORMAT_TYPEMASK | SF_FORMAT_ENDMASK) ;
- if (outfileminor == 0)
- outfileminor = sfinfo.format & SF_FORMAT_SUBMASK ;
- if (outfileminor != 0)
- sfinfo.format = outfilemajor | outfileminor ;
- else
- sfinfo.format = outfilemajor | (sfinfo.format & SF_FORMAT_SUBMASK) ;
- if ((sfinfo.format & SF_FORMAT_TYPEMASK) == SF_FORMAT_XI)
- switch (sfinfo.format & SF_FORMAT_SUBMASK)
- { case SF_FORMAT_PCM_16 :
- sfinfo.format = outfilemajor | SF_FORMAT_DPCM_16 ;
- break ;
- case SF_FORMAT_PCM_S8 :
- case SF_FORMAT_PCM_U8 :
- sfinfo.format = outfilemajor | SF_FORMAT_DPCM_8 ;
- break ;
- } ;
- if (sf_format_check (&sfinfo) == 0)
- { printf ("Error : output file format is invalid (0x%08X).n", sfinfo.format) ;
- return 1 ;
- } ;
- /* Open the output file. */
- if ((outfile = sf_open (outfilename, SFM_WRITE, &sfinfo)) == NULL)
- { printf ("Not able to open output file %s : %sn", outfilename, sf_strerror (NULL)) ;
- return 1 ;
- } ;
- /* Copy the metadata */
- copy_metadata (outfile, infile, sfinfo.channels) ;
- if ((outfileminor == SF_FORMAT_DOUBLE) || (outfileminor == SF_FORMAT_FLOAT)
- || (infileminor == SF_FORMAT_DOUBLE) || (infileminor == SF_FORMAT_FLOAT)
- || (infileminor == SF_FORMAT_VORBIS) || (outfileminor == SF_FORMAT_VORBIS))
- sfe_copy_data_fp (outfile, infile, sfinfo.channels) ;
- else
- sfe_copy_data_int (outfile, infile, sfinfo.channels) ;
- sf_close (infile) ;
- sf_close (outfile) ;
- return 0 ;
- } /* main */
- static void
- copy_metadata (SNDFILE *outfile, SNDFILE *infile, int channels)
- { SF_INSTRUMENT inst ;
- SF_BROADCAST_INFO_2K binfo ;
- const char *str ;
- int k, err = 0, chanmap [256] ;
- for (k = SF_STR_FIRST ; k <= SF_STR_LAST ; k++)
- { str = sf_get_string (infile, k) ;
- if (str != NULL)
- err = sf_set_string (outfile, k, str) ;
- } ;
- memset (&inst, 0, sizeof (inst)) ;
- memset (&binfo, 0, sizeof (binfo)) ;
- if (channels < ARRAY_LEN (chanmap))
- { size_t size = channels * sizeof (chanmap [0]) ;
- if (sf_command (infile, SFC_GET_CHANNEL_MAP_INFO, chanmap, size) == SF_TRUE)
- sf_command (outfile, SFC_SET_CHANNEL_MAP_INFO, chanmap, size) ;
- } ;
- if (sf_command (infile, SFC_GET_INSTRUMENT, &inst, sizeof (inst)) == SF_TRUE)
- sf_command (outfile, SFC_SET_INSTRUMENT, &inst, sizeof (inst)) ;
- if (sf_command (infile, SFC_GET_BROADCAST_INFO, &binfo, sizeof (binfo)) == SF_TRUE)
- sf_command (outfile, SFC_SET_BROADCAST_INFO, &binfo, sizeof (binfo)) ;
- } /* copy_metadata */