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sndfile-convert.c : Add -override-sample-rate command line option.

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This commit is contained in:
Erik de Castro Lopo 2006-12-16 08:00:55 +11:00
parent c0c0e51abe
commit 319a7ffd59
2 changed files with 24 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2006-12-16 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* examples/sndfile-convert.c
Add -override-sample-rate command line option.
2006-11-19 Erik de Castro Lopo <erikd AT mega-nerd DOT com>
* tests/misc_test.c

20
examples/sndfile-convert.c
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@ -109,7 +109,12 @@ print_usage (char *progname)
int k ;
printf ("\nUsage : %s [encoding] <input file> <output file>\n", progname) ;
printf ("\nUsage : %s [options] [encoding] <input file> <output file>\n", progname) ;
puts ("\n"
" where [option] may be:\n\n"
" -override-sample-rate=X : force sample rate of input to X\n\n"
) ;
puts ("\n"
" where [encoding] may be one of the following:\n\n"
" -pcms8 : force the output to signed 8 bit pcm\n"
@ -150,6 +155,7 @@ main (int argc, char * argv [])
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] ;
@ -238,6 +244,14 @@ main (int argc, char * argv [])
continue ;
} ;
if (! strcmp (argv [k], "-override-sample-rate="))
{ 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) ;
} ;
@ -248,6 +262,10 @@ main (int argc, char * argv [])
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 = guess_output_file_type (outfilename, sfinfo.format)) == 0)