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Diffstat (limited to 'trunk/res/res_convert.c')
| -rw-r--r-- | trunk/res/res_convert.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/trunk/res/res_convert.c b/trunk/res/res_convert.c new file mode 100644 index 000000000..0b4d664ff --- /dev/null +++ b/trunk/res/res_convert.c @@ -0,0 +1,160 @@ +/* + * Asterisk -- An open source telephony toolkit. + * + * Copyright (C) 2005, 2006, Digium, Inc. + * + * redice li <redice_li@yahoo.com> + * Russell Bryant <russell@digium.com> + * + * See http://www.asterisk.org for more information about + * the Asterisk project. Please do not directly contact + * any of the maintainers of this project for assistance; + * the project provides a web site, mailing lists and IRC + * channels for your use. + * + * This program is free software, distributed under the terms of + * the GNU General Public License Version 2. See the LICENSE file + * at the top of the source tree. + */ + +/*! \file + * + * \brief file format conversion CLI command using Asterisk formats and translators + * + * \author redice li <redice_li@yahoo.com> + * \author Russell Bryant <russell@digium.com> + * + */ + +#include "asterisk.h" + +ASTERISK_FILE_VERSION(__FILE__, "$Revision$") + +#include "asterisk/channel.h" +#include "asterisk/module.h" +#include "asterisk/cli.h" +#include "asterisk/file.h" + +/*! \brief Split the filename to basename and extension */ +static int split_ext(char *filename, char **name, char **ext) +{ + *name = *ext = filename; + + if ((*ext = strrchr(filename, '.'))) { + **ext = '\0'; + (*ext)++; + } + + if (ast_strlen_zero(*name) || ast_strlen_zero(*ext)) + return -1; + + return 0; +} + +/*! + * \brief Convert a file from one format to another + * \param e CLI entry + * \param cmd command number + * \param a list of cli arguments + * \retval CLI_SUCCESS on success. + * \retval CLI_SHOWUSAGE or CLI_FAILURE on failure. +*/ +static char *handle_cli_file_convert(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) +{ + char *ret = CLI_FAILURE; + struct ast_filestream *fs_in = NULL, *fs_out = NULL; + struct ast_frame *f; + struct timeval start; + int cost; + char *file_in = NULL, *file_out = NULL; + char *name_in, *ext_in, *name_out, *ext_out; + + switch (cmd) { + case CLI_INIT: + e->command = "file convert"; + e->usage = + "Usage: file convert <file_in> <file_out>\n" + " Convert from file_in to file_out. If an absolute path\n" + " is not given, the default Asterisk sounds directory\n" + " will be used.\n\n" + " Example:\n" + " file convert tt-weasels.gsm tt-weasels.ulaw\n"; + return NULL; + case CLI_GENERATE: + return NULL; + } + + /* ugly, can be removed when CLI entries have ast_module pointers */ + ast_module_ref(ast_module_info->self); + + if (a->argc != 4 || ast_strlen_zero(a->argv[2]) || ast_strlen_zero(a->argv[3])) { + ret = CLI_SHOWUSAGE; + goto fail_out; + } + + file_in = ast_strdupa(a->argv[2]); + file_out = ast_strdupa(a->argv[3]); + + if (split_ext(file_in, &name_in, &ext_in)) { + ast_cli(a->fd, "'%s' is an invalid filename!\n", a->argv[2]); + goto fail_out; + } + if (!(fs_in = ast_readfile(name_in, ext_in, NULL, O_RDONLY, 0, 0))) { + ast_cli(a->fd, "Unable to open input file: %s\n", a->argv[2]); + goto fail_out; + } + + if (split_ext(file_out, &name_out, &ext_out)) { + ast_cli(a->fd, "'%s' is an invalid filename!\n", a->argv[3]); + goto fail_out; + } + if (!(fs_out = ast_writefile(name_out, ext_out, NULL, O_CREAT|O_TRUNC|O_WRONLY, 0, AST_FILE_MODE))) { + ast_cli(a->fd, "Unable to open output file: %s\n", a->argv[3]); + goto fail_out; + } + + start = ast_tvnow(); + + while ((f = ast_readframe(fs_in))) { + if (ast_writestream(fs_out, f)) { + ast_cli(a->fd, "Failed to convert %s.%s to %s.%s!\n", name_in, ext_in, name_out, ext_out); + goto fail_out; + } + } + + cost = ast_tvdiff_ms(ast_tvnow(), start); + ast_cli(a->fd, "Converted %s.%s to %s.%s in %dms\n", name_in, ext_in, name_out, ext_out, cost); + ret = CLI_SUCCESS; + +fail_out: + if (fs_out) { + ast_closestream(fs_out); + if (ret != CLI_SUCCESS) + ast_filedelete(name_out, ext_out); + } + + if (fs_in) + ast_closestream(fs_in); + + ast_module_unref(ast_module_info->self); + + return ret; +} + +static struct ast_cli_entry cli_convert[] = { + AST_CLI_DEFINE(handle_cli_file_convert, "Convert audio file") +}; + +static int unload_module(void) +{ + ast_cli_unregister_multiple(cli_convert, sizeof(cli_convert) / sizeof(struct ast_cli_entry)); + return 0; +} + +static int load_module(void) +{ + ast_cli_register_multiple(cli_convert, sizeof(cli_convert) / sizeof(struct ast_cli_entry)); + return AST_MODULE_LOAD_SUCCESS; +} + +AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "File format conversion CLI command"); |