X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/992d59159547267e1491fcd1c5123765b4c452b8..63cf293f572ae7d5c1c83b9dffb31e7d774f8854:/interpretor/lib/src/libsndfile-1.0.25/programs/sndfile-cmp.c diff --git a/interpretor/lib/src/libsndfile-1.0.25/programs/sndfile-cmp.c b/interpretor/lib/src/libsndfile-1.0.25/programs/sndfile-cmp.c new file mode 100644 index 0000000..f550d13 --- /dev/null +++ b/interpretor/lib/src/libsndfile-1.0.25/programs/sndfile-cmp.c @@ -0,0 +1,165 @@ +/* +** Copyright (C) 2008-2011 Erik de Castro Lopo +** Copyright (C) 2008 Conrad Parker +** +** 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 +#include +#include +#include + +#include + +#include "common.h" + +/* Length of comparison data buffers in units of items */ +#define BUFLEN 65536 + +static const char * progname = NULL ; +static char * filename1 = NULL, * filename2 = NULL ; + +static int +comparison_error (const char * what, sf_count_t frame_offset) +{ char buffer [128] = "" ; + + if (frame_offset >= 0) + snprintf (buffer, sizeof (buffer), " (at frame offset %" PRId64 ")", frame_offset) ; + + printf ("%s: %s of files %s and %s differ%s.\n", progname, what, filename1, filename2, buffer) ; + return 1 ; +} /* comparison_error */ + +static int +compare (void) +{ + double buf1 [BUFLEN], buf2 [BUFLEN] ; + SF_INFO sfinfo1, sfinfo2 ; + SNDFILE * sf1 = NULL, * sf2 = NULL ; + sf_count_t items, i, nread1, nread2, offset = 0 ; + int retval = 0 ; + + memset (&sfinfo1, 0, sizeof (SF_INFO)) ; + sf1 = sf_open (filename1, SFM_READ, &sfinfo1) ; + if (sf1 == NULL) + { printf ("Error opening %s.\n", filename1) ; + retval = 1 ; + goto out ; + } ; + + memset (&sfinfo2, 0, sizeof (SF_INFO)) ; + sf2 = sf_open (filename2, SFM_READ, &sfinfo2) ; + if (sf2 == NULL) + { printf ("Error opening %s.\n", filename2) ; + retval = 1 ; + goto out ; + } ; + + if (sfinfo1.samplerate != sfinfo2.samplerate) + { retval = comparison_error ("Samplerates", -1) ; + goto out ; + } ; + + if (sfinfo1.channels != sfinfo2.channels) + { retval = comparison_error ("Number of channels", -1) ; + goto out ; + } ; + + /* Calculate the framecount that will fit in our data buffers */ + items = BUFLEN / sfinfo1.channels ; + + while ( (nread1 = sf_readf_double (sf1, buf1, items)) > 0) + { nread2 = sf_readf_double (sf2, buf2, nread1) ; + if (nread2 != nread1) + { retval = comparison_error ("PCM data lengths", -1) ; + goto out ; + } ; + for (i = 0 ; i < nread1 * sfinfo1.channels ; i++) + { if (buf1 [i] != buf2 [i]) + { retval = comparison_error ("PCM data", offset + i / sfinfo1.channels) ; + goto out ; + } ; + } ; + offset += nread1 ; + } ; + + if ( (nread2 = sf_readf_double (sf2, buf2, nread1)) != 0) + { retval = comparison_error ("PCM data lengths", -1) ; + goto out ; + } ; + +out : + sf_close (sf1) ; + sf_close (sf2) ; + + return retval ; +} /* compare */ + +static void +print_version (void) +{ char buffer [256] ; + + sf_command (NULL, SFC_GET_LIB_VERSION, buffer, sizeof (buffer)) ; + printf ("\nVersion : %s\n\n", buffer) ; +} /* print_version */ + +static void +usage_exit (void) +{ + print_version () ; + + printf ("Usage : %s \n", progname) ; + printf (" Compare the PCM data of two sound files.\n\n") ; + exit (0) ; +} /* usage_exit */ + +int +main (int argc, char *argv []) +{ + progname = program_name (argv [0]) ; + + if (argc != 3) + { usage_exit () ; + return 1 ; + } ; + + filename1 = argv [argc - 2] ; + filename2 = argv [argc - 1] ; + + if (strcmp (filename1, filename2) == 0) + { printf ("Error : Input filenames are the same.\n\n") ; + usage_exit () ; + return 1 ; + } ; + + return compare () ; +} /* main */