git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@10241 65c4cc65-6c06-0410-ace0-fbb531ad65f3
261 lines
6.1 KiB
C
261 lines
6.1 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 2005, Digium, Inc.
|
|
*
|
|
* Mark Spencer <markster@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 Silly application to play an MP3 file -- uses mpg123
|
|
*
|
|
* \author Mark Spencer <markster@digium.com>
|
|
*
|
|
* \ingroup applications
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <sys/time.h>
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#include "asterisk/lock.h"
|
|
#include "asterisk/file.h"
|
|
#include "asterisk/logger.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/frame.h"
|
|
#include "asterisk/pbx.h"
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/translate.h"
|
|
|
|
#define LOCAL_MPG_123 "/usr/local/bin/mpg123"
|
|
#define MPG_123 "/usr/bin/mpg123"
|
|
|
|
static char *tdesc = "Silly MP3 Application";
|
|
|
|
static char *app = "MP3Player";
|
|
|
|
static char *synopsis = "Play an MP3 file or stream";
|
|
|
|
static char *descrip =
|
|
" MP3Player(location) Executes mpg123 to play the given location,\n"
|
|
"which typically would be a filename or a URL. User can exit by pressing\n"
|
|
"any key on the dialpad, or by hanging up.";
|
|
|
|
LOCAL_USER_DECL;
|
|
|
|
static int mp3play(char *filename, int fd)
|
|
{
|
|
int res;
|
|
int x;
|
|
res = fork();
|
|
if (res < 0)
|
|
ast_log(LOG_WARNING, "Fork failed\n");
|
|
if (res)
|
|
return res;
|
|
dup2(fd, STDOUT_FILENO);
|
|
for (x=0;x<256;x++) {
|
|
if (x != STDOUT_FILENO)
|
|
close(x);
|
|
}
|
|
/* Execute mpg123, but buffer if it's a net connection */
|
|
if (!strncasecmp(filename, "http://", 7)) {
|
|
/* Most commonly installed in /usr/local/bin */
|
|
execl(LOCAL_MPG_123, "mpg123", "-q", "-s", "-b", "1024", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
|
|
/* But many places has it in /usr/bin */
|
|
execl(MPG_123, "mpg123", "-q", "-s", "-b", "1024","-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
|
|
/* As a last-ditch effort, try to use PATH */
|
|
execlp("mpg123", "mpg123", "-q", "-s", "-b", "1024", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
|
|
}
|
|
else {
|
|
/* Most commonly installed in /usr/local/bin */
|
|
execl(MPG_123, "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
|
|
/* But many places has it in /usr/bin */
|
|
execl(LOCAL_MPG_123, "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
|
|
/* As a last-ditch effort, try to use PATH */
|
|
execlp("mpg123", "mpg123", "-q", "-s", "-f", "8192", "--mono", "-r", "8000", filename, (char *)NULL);
|
|
}
|
|
ast_log(LOG_WARNING, "Execute of mpg123 failed\n");
|
|
return -1;
|
|
}
|
|
|
|
static int timed_read(int fd, void *data, int datalen, int timeout)
|
|
{
|
|
int res;
|
|
struct pollfd fds[1];
|
|
fds[0].fd = fd;
|
|
fds[0].events = POLLIN;
|
|
res = poll(fds, 1, timeout);
|
|
if (res < 1) {
|
|
ast_log(LOG_NOTICE, "Poll timed out/errored out with %d\n", res);
|
|
return -1;
|
|
}
|
|
return read(fd, data, datalen);
|
|
|
|
}
|
|
|
|
static int mp3_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
int res=0;
|
|
struct localuser *u;
|
|
int fds[2];
|
|
int ms = -1;
|
|
int pid = -1;
|
|
int owriteformat;
|
|
int timeout = 2000;
|
|
struct timeval next;
|
|
struct ast_frame *f;
|
|
struct myframe {
|
|
struct ast_frame f;
|
|
char offset[AST_FRIENDLY_OFFSET];
|
|
short frdata[160];
|
|
} myf;
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "MP3 Playback requires an argument (filename)\n");
|
|
return -1;
|
|
}
|
|
|
|
LOCAL_USER_ADD(u);
|
|
|
|
if (pipe(fds)) {
|
|
ast_log(LOG_WARNING, "Unable to create pipe\n");
|
|
LOCAL_USER_REMOVE(u);
|
|
return -1;
|
|
}
|
|
|
|
ast_stopstream(chan);
|
|
|
|
owriteformat = chan->writeformat;
|
|
res = ast_set_write_format(chan, AST_FORMAT_SLINEAR);
|
|
if (res < 0) {
|
|
ast_log(LOG_WARNING, "Unable to set write format to signed linear\n");
|
|
LOCAL_USER_REMOVE(u);
|
|
return -1;
|
|
}
|
|
|
|
res = mp3play((char *)data, fds[1]);
|
|
if (!strncasecmp((char *)data, "http://", 7)) {
|
|
timeout = 10000;
|
|
}
|
|
/* Wait 1000 ms first */
|
|
next = ast_tvnow();
|
|
next.tv_sec += 1;
|
|
if (res >= 0) {
|
|
pid = res;
|
|
/* Order is important -- there's almost always going to be mp3... we want to prioritize the
|
|
user */
|
|
for (;;) {
|
|
ms = ast_tvdiff_ms(next, ast_tvnow());
|
|
if (ms <= 0) {
|
|
res = timed_read(fds[0], myf.frdata, sizeof(myf.frdata), timeout);
|
|
if (res > 0) {
|
|
myf.f.frametype = AST_FRAME_VOICE;
|
|
myf.f.subclass = AST_FORMAT_SLINEAR;
|
|
myf.f.datalen = res;
|
|
myf.f.samples = res / 2;
|
|
myf.f.mallocd = 0;
|
|
myf.f.offset = AST_FRIENDLY_OFFSET;
|
|
myf.f.src = __PRETTY_FUNCTION__;
|
|
myf.f.delivery.tv_sec = 0;
|
|
myf.f.delivery.tv_usec = 0;
|
|
myf.f.data = myf.frdata;
|
|
if (ast_write(chan, &myf.f) < 0) {
|
|
res = -1;
|
|
break;
|
|
}
|
|
} else {
|
|
ast_log(LOG_DEBUG, "No more mp3\n");
|
|
res = 0;
|
|
break;
|
|
}
|
|
next = ast_tvadd(next, ast_samp2tv(myf.f.samples, 8000));
|
|
} else {
|
|
ms = ast_waitfor(chan, ms);
|
|
if (ms < 0) {
|
|
ast_log(LOG_DEBUG, "Hangup detected\n");
|
|
res = -1;
|
|
break;
|
|
}
|
|
if (ms) {
|
|
f = ast_read(chan);
|
|
if (!f) {
|
|
ast_log(LOG_DEBUG, "Null frame == hangup() detected\n");
|
|
res = -1;
|
|
break;
|
|
}
|
|
if (f->frametype == AST_FRAME_DTMF) {
|
|
ast_log(LOG_DEBUG, "User pressed a key\n");
|
|
ast_frfree(f);
|
|
res = 0;
|
|
break;
|
|
}
|
|
ast_frfree(f);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
close(fds[0]);
|
|
close(fds[1]);
|
|
|
|
if (pid > -1)
|
|
kill(pid, SIGKILL);
|
|
if (!res && owriteformat)
|
|
ast_set_write_format(chan, owriteformat);
|
|
|
|
LOCAL_USER_REMOVE(u);
|
|
|
|
return res;
|
|
}
|
|
|
|
int unload_module(void)
|
|
{
|
|
int res;
|
|
|
|
res = ast_unregister_application(app);
|
|
|
|
STANDARD_HANGUP_LOCALUSERS;
|
|
|
|
return res;
|
|
}
|
|
|
|
int load_module(void)
|
|
{
|
|
return ast_register_application(app, mp3_exec, synopsis, descrip);
|
|
}
|
|
|
|
char *description(void)
|
|
{
|
|
return tdesc;
|
|
}
|
|
|
|
int usecount(void)
|
|
{
|
|
int res;
|
|
STANDARD_USECOUNT(res);
|
|
return res;
|
|
}
|
|
|
|
char *key()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|