res_convert.c File Reference

file format conversion CLI command using Asterisk formats and translators More...

#include "asterisk.h"
#include "asterisk/channel.h"
#include "asterisk/module.h"
#include "asterisk/cli.h"
#include "asterisk/file.h"

Include dependency graph for res_convert.c:

Go to the source code of this file.

Functions
static void	__reg_module (void)
static void	__unreg_module (void)
struct ast_module *	AST_MODULE_SELF_SYM (void)
static char *	handle_cli_file_convert (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
	Convert a file from one format to another.
static int	load_module (void)
static int	split_ext (char *filename, char **name, char **ext)
	Split the filename to basename and extension.
static int	unload_module (void)

Variables
static struct ast_module_info	__mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "File format conversion CLI command" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }
static const struct ast_module_info *	ast_module_info = &__mod_info
static struct ast_cli_entry	cli_convert []

Detailed Description

file format conversion CLI command using Asterisk formats and translators

Author

redice li redic.nosp@m.e_li.nosp@m.@yaho.nosp@m.o.co.nosp@m.m

Russell Bryant russe.nosp@m.ll@d.nosp@m.igium.nosp@m..com

Definition in file res_convert.c.

Function Documentation

__reg_module()

static void __reg_module ( void  )

static

Definition at line 159 of file res_convert.c.

__unreg_module()

static void __unreg_module ( void  )

static

Definition at line 159 of file res_convert.c.

AST_MODULE_SELF_SYM()

struct ast_module * AST_MODULE_SELF_SYM

(

void

)

Definition at line 159 of file res_convert.c.

handle_cli_file_convert()

static char * handle_cli_file_convert ( struct ast_cli_entry *  e, int  cmd, struct ast_cli_args *  a  )

static

Convert a file from one format to another.

Parameters

e	CLI entry
cmd	command number
a	list of cli arguments

Return values

CLI_SUCCESS	on success.
CLI_SHOWUSAGE	or CLI_FAILURE on failure.

Definition at line 64 of file res_convert.c.

{
    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;
    }
 
    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);
 
    return ret;
}

References a, ast_cli(), ast_closestream(), AST_FILE_MODE, ast_filedelete(), ast_frfree, ast_readfile(), ast_readframe(), ast_strdupa, ast_strlen_zero(), ast_tvdiff_ms(), ast_tvnow(), ast_writefile(), ast_writestream(), CLI_FAILURE, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, NULL, split_ext(), and ast_cli_entry::usage.

load_module()

static int load_module ( void  )

static

Definition at line 153 of file res_convert.c.

{
    ast_cli_register_multiple(cli_convert, ARRAY_LEN(cli_convert));
    return AST_MODULE_LOAD_SUCCESS;
}

References ARRAY_LEN, ast_cli_register_multiple, AST_MODULE_LOAD_SUCCESS, and cli_convert.

split_ext()

static int split_ext ( char *  filename, char **  name, char **  ext  )

static

Split the filename to basename and extension.

Definition at line 41 of file res_convert.c.

{
    *name = *ext = filename;
 
    if ((*ext = strrchr(filename, '.'))) {
        **ext = '\0';
        (*ext)++;
    }
 
    if (ast_strlen_zero(*name) || ast_strlen_zero(*ext))
        return -1;
 
    return 0;
}

References ast_strlen_zero(), ext, and name.

Referenced by handle_cli_file_convert().

unload_module()

static int unload_module ( void  )

static

Definition at line 147 of file res_convert.c.

{
    ast_cli_unregister_multiple(cli_convert, ARRAY_LEN(cli_convert));
    return 0;
}

References ARRAY_LEN, ast_cli_unregister_multiple(), and cli_convert.

Variable Documentation

__mod_info

struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_LOAD_ORDER , .description = "File format conversion CLI command" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .load_pri = AST_MODPRI_DEFAULT, .support_level = AST_MODULE_SUPPORT_CORE, }

static

Definition at line 159 of file res_convert.c.

ast_module_info

const struct ast_module_info* ast_module_info = &__mod_info

static

Definition at line 159 of file res_convert.c.

cli_convert

struct ast_cli_entry cli_convert[]

static

Initial value:

= {
    { .handler =  handle_cli_file_convert , .summary =  "Convert audio file" ,}
}

Definition at line 143 of file res_convert.c.

                                            {
    AST_CLI_DEFINE(handle_cli_file_convert, "Convert audio file")
};

Referenced by load_module(), and unload_module().