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/*
* 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_frfree(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;
}
ast_frfree(f);
}
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, ARRAY_LEN(cli_convert));
return 0;
}
static int load_module(void)
{
ast_cli_register_multiple(cli_convert, ARRAY_LEN(cli_convert));
return AST_MODULE_LOAD_SUCCESS;
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "File format conversion CLI command");
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