res/res_convert.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 2005, 2006, Digium, Inc.
   5  *
   6  * redice li <redice_li@yahoo.com>
   7  * Russell Bryant <russell@digium.com>
   8  *
   9  * See http://www.asterisk.org for more information about
  10  * the Asterisk project. Please do not directly contact
  11  * any of the maintainers of this project for assistance;
  12  * the project provides a web site, mailing lists and IRC
  13  * channels for your use.
  14  *
  15  * This program is free software, distributed under the terms of
  16  * the GNU General Public License Version 2. See the LICENSE file
  17  * at the top of the source tree.
  18  */
  19
  20 /*! \file
  21  *
  22  * \brief file format conversion CLI command using Asterisk formats and translators
  23  *
  24  * \author redice li <redice_li@yahoo.com>
  25  * \author Russell Bryant <russell@digium.com>
  26  *
  27  */
  28
  29 #include "asterisk.h"
  30
  31 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  32
  33 #include <stdio.h>
  34 #include <string.h>
  35 #include <stdlib.h>
  36
  37 #include "asterisk/channel.h"
  38 #include "asterisk/logger.h"
  39 #include "asterisk/module.h"
  40 #include "asterisk/cli.h"
  41 #include "asterisk/file.h"
  42
  43 /*! \brief Split the filename to basename and extension */
  44 static int split_ext(char *filename, char **name, char **ext)
  45 {
  46         *name = *ext = filename;
  47
  48         if ((*ext = strrchr(filename, '.'))) {
  49                 **ext = '\0';
  50                 (*ext)++;
  51         }
  52
  53         if (ast_strlen_zero(*name) || ast_strlen_zero(*ext))
  54                 return -1;
  55
  56         return 0;
  57 }
  58
  59 /*! \brief Convert a file from one format to another */
  60 static int cli_audio_convert_deprecated(int fd, int argc, char *argv[])
  61 {
  62         int ret = RESULT_FAILURE;
  63         struct ast_filestream *fs_in = NULL, *fs_out = NULL;
  64         struct ast_frame *f;
  65         struct timeval start;
  66         int cost;
  67         char *file_in = NULL, *file_out = NULL;
  68         char *name_in, *ext_in, *name_out, *ext_out;
  69
  70         /* ugly, can be removed when CLI entries have ast_module pointers */
  71         ast_module_ref(ast_module_info->self);
  72
  73         if (argc != 3 || ast_strlen_zero(argv[1]) || ast_strlen_zero(argv[2])) {
  74                 ret = RESULT_SHOWUSAGE;
  75                 goto fail_out;
  76         }
  77
  78         file_in = ast_strdupa(argv[1]);
  79         file_out = ast_strdupa(argv[2]);
  80
  81         if (split_ext(file_in, &name_in, &ext_in)) {
  82                 ast_cli(fd, "'%s' is an invalid filename!\n", argv[1]);
  83                 goto fail_out;
  84         }
  85         if (!(fs_in = ast_readfile(name_in, ext_in, NULL, O_RDONLY, 0, 0))) {
  86                 ast_cli(fd, "Unable to open input file: %s\n", argv[1]);
  87                 goto fail_out;
  88         }
  89
  90         if (split_ext(file_out, &name_out, &ext_out)) {
  91                 ast_cli(fd, "'%s' is an invalid filename!\n", argv[2]);
  92                 goto fail_out;
  93         }
  94         if (!(fs_out = ast_writefile(name_out, ext_out, NULL, O_CREAT|O_TRUNC|O_WRONLY, 0, 0644))) {
  95                 ast_cli(fd, "Unable to open output file: %s\n", argv[2]);
  96                 goto fail_out;
  97         }
  98
  99         start = ast_tvnow();
 100
 101         while ((f = ast_readframe(fs_in))) {
 102                 if (ast_writestream(fs_out, f)) {
 103                         ast_cli(fd, "Failed to convert %s.%s to %s.%s!\n", name_in, ext_in, name_out, ext_out);
 104                         goto fail_out;
 105                 }
 106         }
 107
 108         cost = ast_tvdiff_ms(ast_tvnow(), start);
 109         ast_cli(fd, "Converted %s.%s to %s.%s in %dms\n", name_in, ext_in, name_out, ext_out, cost);
 110         ret = RESULT_SUCCESS;
 111
 112 fail_out:
 113         if (fs_out) {
 114                 ast_closestream(fs_out);
 115                 if (ret != RESULT_SUCCESS)
 116                         ast_filedelete(name_out, ext_out);
 117         }
 118
 119         if (fs_in)
 120                 ast_closestream(fs_in);
 121
 122         ast_module_unref(ast_module_info->self);
 123
 124         return ret;
 125 }
 126
 127 static int cli_audio_convert(int fd, int argc, char *argv[])
 128 {
 129         int ret = RESULT_FAILURE;
 130         struct ast_filestream *fs_in = NULL, *fs_out = NULL;
 131         struct ast_frame *f;
 132         struct timeval start;
 133         int cost;
 134         char *file_in = NULL, *file_out = NULL;
 135         char *name_in, *ext_in, *name_out, *ext_out;
 136
 137         /* ugly, can be removed when CLI entries have ast_module pointers */
 138         ast_module_ref(ast_module_info->self);
 139
 140         if (argc != 4 || ast_strlen_zero(argv[2]) || ast_strlen_zero(argv[3])) {
 141                 ret = RESULT_SHOWUSAGE;
 142                 goto fail_out;
 143         }
 144
 145         file_in = ast_strdupa(argv[2]);
 146         file_out = ast_strdupa(argv[3]);
 147
 148         if (split_ext(file_in, &name_in, &ext_in)) {
 149                 ast_cli(fd, "'%s' is an invalid filename!\n", argv[2]);
 150                 goto fail_out;
 151         }
 152         if (!(fs_in = ast_readfile(name_in, ext_in, NULL, O_RDONLY, 0, 0))) {
 153                 ast_cli(fd, "Unable to open input file: %s\n", argv[2]);
 154                 goto fail_out;
 155         }
 156
 157         if (split_ext(file_out, &name_out, &ext_out)) {
 158                 ast_cli(fd, "'%s' is an invalid filename!\n", argv[3]);
 159                 goto fail_out;
 160         }
 161         if (!(fs_out = ast_writefile(name_out, ext_out, NULL, O_CREAT|O_TRUNC|O_WRONLY, 0, 0644))) {
 162                 ast_cli(fd, "Unable to open output file: %s\n", argv[3]);
 163                 goto fail_out;
 164         }
 165
 166         start = ast_tvnow();
 167
 168         while ((f = ast_readframe(fs_in))) {
 169                 if (ast_writestream(fs_out, f)) {
 170                         ast_cli(fd, "Failed to convert %s.%s to %s.%s!\n", name_in, ext_in, name_out, ext_out);
 171                         goto fail_out;
 172                 }
 173         }
 174
 175         cost = ast_tvdiff_ms(ast_tvnow(), start);
 176         ast_cli(fd, "Converted %s.%s to %s.%s in %dms\n", name_in, ext_in, name_out, ext_out, cost);
 177         ret = RESULT_SUCCESS;
 178
 179 fail_out:
 180         if (fs_out) {
 181                 ast_closestream(fs_out);
 182                 if (ret != RESULT_SUCCESS)
 183                         ast_filedelete(name_out, ext_out);
 184         }
 185
 186         if (fs_in)
 187                 ast_closestream(fs_in);
 188
 189         ast_module_unref(ast_module_info->self);
 190
 191         return ret;
 192 }
 193
 194 static char usage_audio_convert[] =
 195 "Usage: file convert <file_in> <file_out>\n"
 196 "    Convert from file_in to file_out. If an absolute path is not given, the\n"
 197 "default Asterisk sounds directory will be used.\n\n"
 198 "Example:\n"
 199 "    file convert tt-weasels.gsm tt-weasels.ulaw\n";
 200
 201 static struct ast_cli_entry cli_convert_deprecated = {
 202         { "convert" , NULL },
 203         cli_audio_convert_deprecated, NULL,
 204         NULL };
 205
 206 static struct ast_cli_entry cli_convert[] = {
 207         { { "file", "convert" , NULL },
 208         cli_audio_convert, "Convert audio file",
 209         usage_audio_convert, NULL, &cli_convert_deprecated },
 210 };
 211
 212 static int unload_module(void)
 213 {
 214         ast_cli_unregister_multiple(cli_convert, sizeof(cli_convert) / sizeof(struct ast_cli_entry));
 215         return 0;
 216 }
 217
 218 static int load_module(void)
 219 {
 220         ast_cli_register_multiple(cli_convert, sizeof(cli_convert) / sizeof(struct ast_cli_entry));
 221         return 0;
 222 }
 223
 224 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "File format conversion CLI command");