Alexandre Lision | 7c6f4a6 | 2013-09-05 13:27:01 -0400 | [diff] [blame] | 1 | /* |
| 2 | ** Copyright (C) 1999-2011 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 |
| 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 (0) ; |
| 65 | } /* usage_exit */ |
| 66 | |
| 67 | int |
| 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 | |
| 131 | return 0 ; |
| 132 | } /* main */ |
| 133 | |
| 134 | static void |
| 135 | concat_data_fp (SNDFILE *wfile, SNDFILE *rofile, int channels) |
| 136 | { static double data [BUFFER_LEN] ; |
| 137 | int frames, readcount ; |
| 138 | |
| 139 | frames = BUFFER_LEN / channels ; |
| 140 | readcount = frames ; |
| 141 | |
| 142 | sf_seek (wfile, 0, SEEK_END) ; |
| 143 | |
| 144 | while (readcount > 0) |
| 145 | { readcount = sf_readf_double (rofile, data, frames) ; |
| 146 | sf_writef_double (wfile, data, readcount) ; |
| 147 | } ; |
| 148 | |
| 149 | return ; |
| 150 | } /* concat_data_fp */ |
| 151 | |
| 152 | static void |
| 153 | concat_data_int (SNDFILE *wfile, SNDFILE *rofile, int channels) |
| 154 | { static int data [BUFFER_LEN] ; |
| 155 | int frames, readcount ; |
| 156 | |
| 157 | frames = BUFFER_LEN / channels ; |
| 158 | readcount = frames ; |
| 159 | |
| 160 | sf_seek (wfile, 0, SEEK_END) ; |
| 161 | |
| 162 | while (readcount > 0) |
| 163 | { readcount = sf_readf_int (rofile, data, frames) ; |
| 164 | sf_writef_int (wfile, data, readcount) ; |
| 165 | } ; |
| 166 | |
| 167 | return ; |
| 168 | } /* concat_data_int */ |
| 169 | |