Merge branch 'libsndfile'

[Faustine.git] / 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 (file)
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 <erikd@mega-nerd.com>
+** Copyright (C) 2008 Conrad Parker <conrad@metadecks.org>
+**
+** 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 <inttypes.h>
+
+#include <sndfile.h>
+
+#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 <filename> <filename>\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 */