1 /*
2 ** Copyright (C) 1999-2015 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 /*
34 ** A quick/rough hack to add SF_INSTRUMENT data to a file. It compiles, but
35 ** no guarantees beyond that. Happy to receive patches to fix/improve it.
36 **
37 ** Code for this was stolen from programs/sndfile-convert.c and related code.
38 */
39 
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 #include <ctype.h>
44 
45 #include <sndfile.h>
46 
47 #define BUFFER_LEN		(1 << 14)
48 
49 const char * program_name (const char * argv0) ;
50 static void sfe_copy_data_int (SNDFILE *outfile, SNDFILE *infile, int channels) ;
51 static void add_instrument_data (SNDFILE *outfile, const SF_INFO * in_info) ;
52 
53 static void
usage_exit(const char *progname)54 usage_exit (const char *progname)
55 {
56 	printf ("\nUsage : %s <input file> <output file>\n", progname) ;
57 	puts ("") ;
58 	exit (1) ;
59 } /* usage_exit */
60 
61 int
main(int argc, char * argv [])62 main (int argc, char * argv [])
63 {	const char	*progname, *infilename, *outfilename ;
64 	SNDFILE		*infile = NULL, *outfile = NULL ;
65 	SF_INFO		in_sfinfo, out_sfinfo ;
66 
67 	progname = program_name (argv [0]) ;
68 
69 	if (argc < 3 || argc > 5)
70 		usage_exit (progname) ;
71 
72 	infilename = argv [argc-2] ;
73 	outfilename = argv [argc-1] ;
74 
75 	if (strcmp (infilename, outfilename) == 0)
76 	{	printf ("Error : Input and output filenames are the same.\n\n") ;
77 		usage_exit (progname) ;
78 		} ;
79 
80 	if (strlen (infilename) > 1 && infilename [0] == '-')
81 	{	printf ("Error : Input filename (%s) looks like an option.\n\n", infilename) ;
82 		usage_exit (progname) ;
83 		} ;
84 
85 	if (outfilename [0] == '-')
86 	{	printf ("Error : Output filename (%s) looks like an option.\n\n", outfilename) ;
87 		usage_exit (progname) ;
88 		} ;
89 
90 	memset (&in_sfinfo, 0, sizeof (in_sfinfo)) ;
91 
92 	if ((infile = sf_open (infilename, SFM_READ, &in_sfinfo)) == NULL)
93 	{	printf ("Not able to open input file %s.\n", infilename) ;
94 		puts (sf_strerror (NULL)) ;
95 		return 1 ;
96 		} ;
97 
98 	memcpy (&out_sfinfo, &in_sfinfo, sizeof (out_sfinfo)) ;
99 	/* Open the output file. */
100 	if ((outfile = sf_open (outfilename, SFM_WRITE, &out_sfinfo)) == NULL)
101 	{	printf ("Not able to open output file %s : %s\n", outfilename, sf_strerror (NULL)) ;
102 		sf_close (infile) ;
103 		return 1 ;
104 		} ;
105 
106 	/* Add the loop data */
107 	add_instrument_data (outfile, &in_sfinfo) ;
108 
109 	/* Copy the audio data */
110 	sfe_copy_data_int (outfile, infile, in_sfinfo.channels) ;
111 
112 	sf_close (infile) ;
113 	sf_close (outfile) ;
114 
115 	return 0 ;
116 } /* main */
117 
118 const char *
program_name(const char * argv0)119 program_name (const char * argv0)
120 {	const char * tmp ;
121 
122 	tmp = strrchr (argv0, '/') ;
123 	argv0 = tmp ? tmp + 1 : argv0 ;
124 
125 	/* Remove leading libtool name mangling. */
126 	if (strstr (argv0, "lt-") == argv0)
127 		return argv0 + 3 ;
128 
129 	return argv0 ;
130 } /* program_name */
131 
132 static void
sfe_copy_data_int(SNDFILE *outfile, SNDFILE *infile, int channels)133 sfe_copy_data_int (SNDFILE *outfile, SNDFILE *infile, int channels)
134 {	static int	data [BUFFER_LEN] ;
135 	int		frames, readcount ;
136 
137 	frames = BUFFER_LEN / channels ;
138 	readcount = frames ;
139 
140 	while (readcount > 0)
141 	{	readcount = (int) sf_readf_int (infile, data, frames) ;
142 		sf_writef_int (outfile, data, readcount) ;
143 		} ;
144 
145 	return ;
146 } /* sfe_copy_data_int */
147 
148 static void
add_instrument_data(SNDFILE *file, const SF_INFO *info)149 add_instrument_data (SNDFILE *file, const SF_INFO *info)
150 {	SF_INSTRUMENT instr ;
151 
152 	memset (&instr, 0, sizeof (instr)) ;
153 
154 	instr.gain = 1 ;
155 	instr.basenote = 0 ;
156 	instr.detune = 0 ;
157 	instr.velocity_lo = 0 ;
158 	instr.velocity_hi = 0 ;
159 	instr.key_lo = 0 ;
160 	instr.key_hi = 0 ;
161 	instr.loop_count = 1 ;
162 
163 	instr.loops [0].mode = SF_LOOP_FORWARD ;
164 	instr.loops [0].start = 0 ;
165 	instr.loops [0].end = info->frames ;
166 	instr.loops [0].count = 0 ;
167 
168 	if (sf_command (file, SFC_SET_INSTRUMENT, &instr, sizeof (instr)) == SF_FALSE)
169 	{	printf ("\n\nLine %d : sf_command (SFC_SET_INSTRUMENT) failed.\n\n", __LINE__) ;
170 		exit (1) ;
171 		} ;
172 
173 	return ;
174 } /* add_instrument_data */
175 
176