add a CLI command that allows conversion of files to other formats using
authorRussell Bryant <russell@russellbryant.com>
Tue, 14 Mar 2006 19:50:27 +0000 (19:50 +0000)
committerRussell Bryant <russell@russellbryant.com>
Tue, 14 Mar 2006 19:50:27 +0000 (19:50 +0000)
the Asterisk file format and codec translation modules (issue #6062)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@12962 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_convert.c [new file with mode: 0644]

diff --git a/res/res_convert.c b/res/res_convert.c
new file mode 100644 (file)
index 0000000..2451dd8
--- /dev/null
@@ -0,0 +1,165 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2005, 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 <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "asterisk.h"
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/channel.h"
+#include "asterisk/logger.h"
+#include "asterisk/module.h"
+#include "asterisk/cli.h"
+#include "asterisk/file.h"
+
+STANDARD_USECOUNT_DECL;
+
+static char *desc = "File format conversion CLI command";
+
+/*! \brief Split the filename to basename and extension */
+static int split_ext(char *filename, char **name, char **ext)
+{
+       *name = *ext = filename;
+       
+       strsep(ext, ".");
+
+       if (ast_strlen_zero(*name) || ast_strlen_zero(*ext))
+               return -1;
+
+       return 0;
+}
+
+/*! \brief Convert a file from one format to another */
+static int cli_audio_convert(int fd, int argc, char *argv[])
+{
+       int ret = RESULT_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;
+       
+       STANDARD_INCREMENT_USECOUNT;
+       
+       if (argc != 3 || ast_strlen_zero(argv[1]) || ast_strlen_zero(argv[2])) {
+               ret = RESULT_SHOWUSAGE;
+               goto fail_out;  
+       }
+
+       if (!(file_in = ast_strdupa(argv[1])) || !(file_out = ast_strdupa(argv[2])))
+               goto fail_out;
+
+       if (split_ext(file_in, &name_in, &ext_in)) {
+               ast_cli(fd, "'%s' is an invalid filename!\n", argv[1]);
+               goto fail_out;
+       }
+       if (!(fs_in = ast_readfile(name_in, ext_in, NULL, O_RDONLY, 0, 0))) {
+               ast_cli(fd, "Unable to open input file: %s\n", argv[1]);
+               goto fail_out;
+       }
+       
+       if (split_ext(file_out, &name_out, &ext_out)) {
+               ast_cli(fd, "'%s' is an invalid filename!\n", argv[2]);
+               goto fail_out;
+       }
+       if (!(fs_out = ast_writefile(name_out, ext_out, NULL, O_CREAT|O_TRUNC|O_WRONLY, 0, 0644))) {
+               ast_cli(fd, "Unable to open output file: %s\n", argv[2]);
+               goto fail_out;
+       }
+
+       start = ast_tvnow();
+       
+       while ((f = ast_readframe(fs_in))) {
+               if (ast_writestream(fs_out, f)) {
+                       ast_cli(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(fd, "Converted %s.%s to %s.%s in %dms\n", name_in, ext_in, name_out, ext_out, cost);
+       ret = RESULT_SUCCESS;
+
+fail_out:
+       if (fs_out) {
+               ast_closestream(fs_out);
+               if (ret != RESULT_SUCCESS)
+                       ast_filedelete(name_out, ext_out);
+       }
+
+       if (fs_in) 
+               ast_closestream(fs_in);
+
+       STANDARD_DECREMENT_USECOUNT;
+       
+       return ret;
+}
+
+static char usage_audio_convert[] =
+"Usage: convert <file_in> <file_out>\n"
+"    Convert from file_in to file_out. If an absolute path is not given, the\n"
+"default Asterisk sounds directory will be used.\n\n"
+"Example:\n"
+"    convert tt-weasels.gsm tt-weasels.ulaw\n";
+
+static struct ast_cli_entry audio_convert_cli={
+       { "convert" , NULL }, cli_audio_convert, "Convert audio files", usage_audio_convert
+};
+
+int unload_module(void)
+{
+       return ast_cli_unregister(&audio_convert_cli);
+}
+
+int load_module(void)
+{
+       return ast_cli_register(&audio_convert_cli);
+}
+
+char *description(void)
+{
+       return desc;
+}
+
+int usecount(void)
+{
+       int res;
+       
+       STANDARD_USECOUNT(res);
+
+       return res;
+}
+
+char *key()
+{
+       return ASTERISK_GPL_KEY;
+}
+