1 /*
2 ** Copyright (C) 1999-2014 Erik de Castro Lopo <erikd@mega-nerd.com>
3 **
4 ** All rights reserved.
5 **
6 ** Redistribution and use in source and binary forms, with or without
7 ** modification, are permitted provided that the following conditions are
8 ** met:
9 **
10 ** * Redistributions of source code must retain the above copyright
11 ** notice, this list of conditions and the following disclaimer.
12 ** * Redistributions in binary form must reproduce the above copyright
13 ** notice, this list of conditions and the following disclaimer in
14 ** the documentation and/or other materials provided with the
15 ** distribution.
16 ** * Neither the author nor the names of any contributors may be used
17 ** to endorse or promote products derived from this software without
18 ** specific prior written permission.
19 **
20 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 ** TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 ** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 ** CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 ** EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 ** PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 ** OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 ** WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 ** OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
30 ** ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <ctype.h>
37
38 #include <sndfile.h>
39
40 #include "common.h"
41
42 #define BUFFER_LEN (1 << 16)
43
44
45 static void concat_data_fp (SNDFILE *wfile, SNDFILE *rofile, int channels) ;
46 static void concat_data_int (SNDFILE *wfile, SNDFILE *rofile, int channels) ;
47
48 static void
usage_exit(const char * progname)49 usage_exit (const char *progname)
50 {
51 printf ("\nUsage : %s <infile1> <infile2> ... <outfile>\n\n", progname) ;
52 puts (
53 " Create a new output file <outfile> containing the concatenated\n"
54 " audio data from froms <infile1> <infile2> ....\n"
55 "\n"
56 " The joined file will be encoded in the same format as the data\n"
57 " in infile1, with all the data in subsequent files automatically\n"
58 " converted to the correct encoding.\n"
59 "\n"
60 " The only restriction is that the two files must have the same\n"
61 " number of channels.\n"
62 ) ;
63
64 exit (1) ;
65 } /* usage_exit */
66
67 int
main(int argc,char * argv[])68 main (int argc, char *argv [])
69 { const char *progname, *outfilename ;
70 SNDFILE *outfile, **infiles ;
71 SF_INFO sfinfo_out, sfinfo_in ;
72 void (*func) (SNDFILE*, SNDFILE*, int) ;
73 int k ;
74
75 progname = program_name (argv [0]) ;
76
77 if (argc < 4)
78 usage_exit (progname) ;
79
80 argv ++ ;
81 argc -- ;
82
83 argc -- ;
84 outfilename = argv [argc] ;
85
86 if ((infiles = calloc (argc, sizeof (SNDFILE*))) == NULL)
87 { printf ("\nError : Malloc failed.\n\n") ;
88 exit (1) ;
89 } ;
90
91 memset (&sfinfo_in, 0, sizeof (sfinfo_in)) ;
92
93 if ((infiles [0] = sf_open (argv [0], SFM_READ, &sfinfo_in)) == NULL)
94 { printf ("\nError : failed to open file '%s'.\n\n", argv [0]) ;
95 exit (1) ;
96 } ;
97
98 sfinfo_out = sfinfo_in ;
99
100 for (k = 1 ; k < argc ; k++)
101 { if ((infiles [k] = sf_open (argv [k], SFM_READ, &sfinfo_in)) == NULL)
102 { printf ("\nError : failed to open file '%s'.\n\n", argv [k]) ;
103 exit (1) ;
104 } ;
105
106 if (sfinfo_in.channels != sfinfo_out.channels)
107 { printf ("\nError : File '%s' has %d channels (should have %d).\n\n", argv [k], sfinfo_in.channels, sfinfo_out.channels) ;
108 exit (1) ;
109 } ;
110 } ;
111
112 if ((outfile = sf_open (outfilename, SFM_WRITE, &sfinfo_out)) == NULL)
113 { printf ("\nError : Not able to open input file %s.\n", outfilename) ;
114 puts (sf_strerror (NULL)) ;
115 exit (1) ;
116 } ;
117
118 if ((sfinfo_out.format & SF_FORMAT_SUBMASK) == SF_FORMAT_DOUBLE ||
119 (sfinfo_out.format & SF_FORMAT_SUBMASK) == SF_FORMAT_FLOAT)
120 func = concat_data_fp ;
121 else
122 func = concat_data_int ;
123
124 for (k = 0 ; k < argc ; k++)
125 { func (outfile, infiles [k], sfinfo_out.channels) ;
126 sf_close (infiles [k]) ;
127 } ;
128
129 sf_close (outfile) ;
130 free (infiles) ;
131
132 return 0 ;
133 } /* main */
134
135 static void
concat_data_fp(SNDFILE * wfile,SNDFILE * rofile,int channels)136 concat_data_fp (SNDFILE *wfile, SNDFILE *rofile, int channels)
137 { static double data [BUFFER_LEN] ;
138 int frames, readcount ;
139
140 frames = BUFFER_LEN / channels ;
141 readcount = frames ;
142
143 sf_seek (wfile, 0, SEEK_END) ;
144
145 while (readcount > 0)
146 { readcount = sf_readf_double (rofile, data, frames) ;
147 sf_writef_double (wfile, data, readcount) ;
148 } ;
149
150 return ;
151 } /* concat_data_fp */
152
153 static void
concat_data_int(SNDFILE * wfile,SNDFILE * rofile,int channels)154 concat_data_int (SNDFILE *wfile, SNDFILE *rofile, int channels)
155 { static int data [BUFFER_LEN] ;
156 int frames, readcount ;
157
158 frames = BUFFER_LEN / channels ;
159 readcount = frames ;
160
161 sf_seek (wfile, 0, SEEK_END) ;
162
163 while (readcount > 0)
164 { readcount = sf_readf_int (rofile, data, frames) ;
165 sf_writef_int (wfile, data, readcount) ;
166 } ;
167
168 return ;
169 } /* concat_data_int */
170
171