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support new format for musiconhold.conf (issue #4908)

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support non-SLINEAR moh streams (issue #4908)
add external app to feed TCP stream into Asterisk for moh (issue #4908)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6353 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-08-22 19:29:29 +00:00
parent 69f9c479e7
commit ff971379f4
7 changed files with 341 additions and 69 deletions
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6
UPGRADE.txt
View File

@@ -137,3 +137,9 @@ AGI:
behavior has been fixed. If you do not want your script to terminate
at the end of AGI being called (e.g. on a hangup) then set SIGHUP to
be ignored within your application.
Music On Hold:
* The preferred format for musiconhold.conf has changed; please see the
sample configuration file for the new format. The existing format
is still supported but will generate warnings when the module is loaded.

48
configs/musiconhold.conf.sample
View File

@@ -1,16 +1,30 @@
;
; Music on hold class definitions
; Music on Hold -- Sample Configuration
;
[classes]
default => quietmp3:/var/lib/asterisk/mohmp3
;loud => mp3:/var/lib/asterisk/mohmp3
;random => quietmp3:/var/lib/asterisk/mohmp3,-z
;unbuffered => mp3nb:/var/lib/asterisk/mohmp3
;quietunbuf => quietmp3nb:/var/lib/asterisk/mohmp3
; Note that the custom mode cannot handle escaped parameters (specifically embedded spaces)
;manual => custom:/var/lib/asterisk/mohmp3,/usr/bin/mpg123 -q -r 8000 -f 8192 -b 2048 --mono -s
; For a custom app, reading from a directory may not be necessary
;manual => custom:nodir,/bin/my-dirless-app myarg
[default]
mode=quietmp3
directory=/var/lib/asterisk/mohmp3
; valid mode options:
; quietmp3 -- default
; mp3 -- loud
; mp3nb -- unbuffered
; quietmp3nb -- quiet unbuffered
; custom -- run a custom application
; files -- read files from a directory in any Asterisk supported format
;[manual]
;mode=custom
; Note that with mode=custom, a directory is not required, such as when reading
; from a stream.
;directory=/var/lib/asterisk/mohmp3
;application=/usr/bin/mpg123 -q -r 8000 -f 8192 -b 2048 --mono -s
;[ulawstream]
;mode=custom
;application=/usr/bin/streamplayer 80.254.173.176 888
;format=ulaw
;
; File-based (native) music on hold
@@ -31,6 +45,12 @@ default => quietmp3:/var/lib/asterisk/mohmp3
; this, res_musiconhold will skip the files it is not able to
; understand when it loads.
;
[moh_files]
;native => /var/lib/asterisk/moh-native
;native-random => /var/lib/asterisk/moh-native,r
;[native]
;mode=files
;directory=/var/lib/asterisk/moh-native
;
;[native-random]
;mode=files
;directory=/var/lib/asterisk/moh-native
;random=yes ; Play the files in a random order

33
frame.c
View File

@@ -1168,7 +1168,6 @@ static int speex_samples(unsigned char *data, int len)
return cnt;
}
int ast_codec_get_samples(struct ast_frame *f)
{
int samples=0;
@@ -1210,3 +1209,35 @@ int ast_codec_get_samples(struct ast_frame *f)
return samples;
}
int ast_codec_get_len(int format, int samples)
{
int len = 0;
/* XXX Still need speex, g723, and lpc10 XXX */
switch(format) {
case AST_FORMAT_ILBC:
len = (samples / 240) * 50;
break;
case AST_FORMAT_GSM:
len = (samples / 160) * 33;
break;
case AST_FORMAT_G729A:
len = samples / 8;
break;
case AST_FORMAT_SLINEAR:
len = samples * 2;
break;
case AST_FORMAT_ULAW:
case AST_FORMAT_ALAW:
len = samples;
break;
case AST_FORMAT_ADPCM:
case AST_FORMAT_G726:
len = samples / 2;
break;
default:
ast_log(LOG_WARNING, "Unable to calculate sample length for format %s\n", ast_getformatname(format));
}
return len;
}

3
include/asterisk/frame.h
View File

@@ -398,6 +398,9 @@ extern void ast_codec_pref_convert(struct ast_codec_pref *pref, char *buf, size_
/* Returns the number of samples contained in the frame */
extern int ast_codec_get_samples(struct ast_frame *f);
/* Returns the number of bytes for the number of samples of the given format */
extern int ast_codec_get_len(int format, int samples);
/* Gets duration in ms of interpolation frame for a format */
static inline int ast_codec_interp_len(int format)
{

231
res/res_musiconhold.c
View File

@@ -108,12 +108,14 @@ struct moh_files_state {
#define MOH_RANDOMIZE (1 << 3)
struct mohclass {
char class[80];
char name[MAX_MUSICCLASS];
char dir[256];
char miscargs[256];
char args[256];
char mode[80];
char filearray[MAX_MOHFILES][MAX_MOHFILE_LEN];
unsigned int flags;
int total_files;
int format;
int pid; /* PID of mpg123 */
time_t start;
pthread_t thread;
@@ -212,8 +214,8 @@ static int ast_moh_files_next(struct ast_channel *chan)
return -1;
}
if (option_verbose > 2)
ast_log(LOG_NOTICE, "%s Opened file %d '%s'\n", chan->name, state->pos, state->class->filearray[state->pos]);
if (option_debug)
ast_log(LOG_DEBUG, "%s Opened file %d '%s'\n", chan->name, state->pos, state->class->filearray[state->pos]);
if (state->samples)
ast_seekstream(chan->stream, state->samples, SEEK_SET);
@@ -285,7 +287,7 @@ static void *moh_files_alloc(struct ast_channel *chan, void *params)
chan->music_state = NULL;
} else {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Started music on hold, class '%s', on %s\n", class->class, chan->name);
ast_verbose(VERBOSE_PREFIX_3 "Started music on hold, class '%s', on %s\n", class->name, chan->name);
}
}
@@ -343,7 +345,7 @@ static int spawn_mp3(struct mohclass *class)
argv[argc++] = "8192";
/* Look for extra arguments and add them to the list */
strncpy(xargs, class->miscargs, sizeof(xargs) - 1);
strncpy(xargs, class->args, sizeof(xargs) - 1);
argptr = xargs;
while (argptr && !ast_strlen_zero(argptr)) {
argv[argc++] = argptr;
@@ -355,7 +357,7 @@ static int spawn_mp3(struct mohclass *class)
}
} else {
/* Format arguments for argv vector */
strncpy(xargs, class->miscargs, sizeof(xargs) - 1);
strncpy(xargs, class->args, sizeof(xargs) - 1);
argptr = xargs;
while (argptr && !ast_strlen_zero(argptr)) {
argv[argc++] = argptr;
@@ -460,6 +462,7 @@ static void *monmp3thread(void *data)
char buf[8192];
short sbuf[8192];
int res, res2;
int len;
struct timeval tv, tv_tmp;
tv.tv_sec = 0;
@@ -495,7 +498,9 @@ static void *monmp3thread(void *data)
if (!class->members)
continue;
/* Read mp3 audio */
if ((res2 = read(class->srcfd, sbuf, res * 2)) != res * 2) {
len = ast_codec_get_len(class->format, res);
if ((res2 = read(class->srcfd, sbuf, len)) != len) {
if (!res2) {
close(class->srcfd);
class->srcfd = -1;
@@ -504,7 +509,7 @@ static void *monmp3thread(void *data)
class->pid = 0;
}
} else
ast_log(LOG_DEBUG, "Read %d bytes of audio while expecting %d\n", res2, res * 2);
ast_log(LOG_DEBUG, "Read %d bytes of audio while expecting %d\n", res2, len);
continue;
}
ast_mutex_lock(&moh_lock);
@@ -581,7 +586,7 @@ static struct mohclass *get_mohbyname(char *name)
struct mohclass *moh;
moh = mohclasses;
while (moh) {
if (!strcasecmp(name, moh->class))
if (!strcasecmp(name, moh->name))
return moh;
moh = moh->next;
}
@@ -647,19 +652,18 @@ static void moh_release(struct ast_channel *chan, void *data)
static void *moh_alloc(struct ast_channel *chan, void *params)
{
struct mohdata *res;
struct mohclass *class;
class = params;
struct mohclass *class = params;
res = mohalloc(class);
if (res) {
res->origwfmt = chan->writeformat;
if (ast_set_write_format(chan, AST_FORMAT_SLINEAR)) {
ast_log(LOG_WARNING, "Unable to set '%s' to signed linear format\n", chan->name);
if (ast_set_write_format(chan, class->format)) {
ast_log(LOG_WARNING, "Unable to set channel '%s' to format '%s'\n", chan->name, ast_codec2str(class->format));
moh_release(NULL, res);
res = NULL;
}
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Started music on hold, class '%s', on %s\n", class->class, chan->name);
ast_verbose(VERBOSE_PREFIX_3 "Started music on hold, class '%s', on channel '%s'\n", class->name, chan->name);
}
return res;
}
@@ -674,7 +678,8 @@ static int moh_generate(struct ast_channel *chan, void *data, int len, int sampl
if (!moh->parent->pid)
return -1;
len = samples * 2;
len = ast_codec_get_len(moh->parent->format, samples);
if (len > sizeof(buf) - AST_FRIENDLY_OFFSET) {
ast_log(LOG_WARNING, "Only doing %d of %d requested bytes on %s\n", (int)sizeof(buf), len, chan->name);
len = sizeof(buf) - AST_FRIENDLY_OFFSET;
@@ -689,17 +694,20 @@ static int moh_generate(struct ast_channel *chan, void *data, int len, int sampl
return 0;
memset(&f, 0, sizeof(f));
f.frametype = AST_FRAME_VOICE;
f.subclass = AST_FORMAT_SLINEAR;
f.subclass = moh->parent->format;
f.mallocd = 0;
f.datalen = res;
f.samples = res / 2;
f.data = buf + AST_FRIENDLY_OFFSET / 2;
f.offset = AST_FRIENDLY_OFFSET;
f.samples = ast_codec_get_samples(&f);
if (ast_write(chan, &f) < 0) {
ast_log(LOG_WARNING, "Failed to write frame to '%s': %s\n", chan->name, strerror(errno));
return -1;
}
return 0;
}
@@ -763,53 +771,42 @@ static int moh_scan_files(struct mohclass *class) {
return class->total_files;
}
static int moh_register(char *classname, char *mode, char *param, char *miscargs)
static int moh_register(struct mohclass *moh)
{
struct mohclass *moh;
#ifdef ZAPATA_MOH
int x;
#endif
ast_mutex_lock(&moh_lock);
moh = get_mohbyname(classname);
ast_mutex_unlock(&moh_lock);
if (moh) {
ast_log(LOG_WARNING, "Music on Hold '%s' already exists\n", classname);
if (get_mohbyname(moh->name)) {
ast_log(LOG_WARNING, "Music on Hold class '%s' already exists\n", moh->name);
free(moh);
ast_mutex_unlock(&moh_lock);
return -1;
}
moh = malloc(sizeof(struct mohclass));
if (!moh)
return -1;
memset(moh, 0, sizeof(struct mohclass));
ast_mutex_unlock(&moh_lock);
time(&moh->start);
moh->start -= respawn_time;
strncpy(moh->class, classname, sizeof(moh->class) - 1);
if (miscargs) {
strncpy(moh->miscargs, miscargs, sizeof(moh->miscargs) - 1);
if (strchr(miscargs,'r'))
ast_set_flag(moh, MOH_RANDOMIZE);
}
if (!strcasecmp(mode, "files")) {
if (param)
strncpy(moh->dir, param, sizeof(moh->dir) - 1);
if (!strcasecmp(moh->mode, "files")) {
if (!moh_scan_files(moh)) {
ast_moh_free_class(&moh);
return -1;
}
} else if (!strcasecmp(mode, "mp3") || !strcasecmp(mode, "mp3nb") || !strcasecmp(mode, "quietmp3") || !strcasecmp(mode, "quietmp3nb") || !strcasecmp(mode, "httpmp3") || !strcasecmp(mode, "custom")) {
if (strchr(moh->args, 'r'))
ast_set_flag(moh, MOH_RANDOMIZE);
} else if (!strcasecmp(moh->mode, "mp3") || !strcasecmp(moh->mode, "mp3nb") || !strcasecmp(moh->mode, "quietmp3") || !strcasecmp(moh->mode, "quietmp3nb") || !strcasecmp(moh->mode, "httpmp3") || !strcasecmp(moh->mode, "custom")) {
if (param)
strncpy(moh->dir, param, sizeof(moh->dir) - 1);
if (!strcasecmp(mode, "custom"))
if (!strcasecmp(moh->mode, "custom"))
ast_set_flag(moh, MOH_CUSTOM);
else if (!strcasecmp(mode, "mp3nb") || !strcasecmp(mode, "quietmp3nb"))
else if (!strcasecmp(moh->mode, "mp3nb") || !strcasecmp(moh->mode, "quietmp3nb"))
ast_set_flag(moh, MOH_SINGLE);
else if (!strcasecmp(mode, "quietmp3") || !strcasecmp(mode, "quietmp3nb"))
else if (!strcasecmp(moh->mode, "quietmp3") || !strcasecmp(moh->mode, "quietmp3nb"))
ast_set_flag(moh, MOH_QUIET);
moh->srcfd = -1;
#ifdef ZAPATA_MOH
/* It's an MP3 Moh -- Open /dev/zap/pseudo for timing... Is
/* Open /dev/zap/pseudo for timing... Is
there a better, yet reliable way to do this? */
moh->pseudofd = open("/dev/zap/pseudo", O_RDONLY);
if (moh->pseudofd < 0) {
@@ -829,7 +826,7 @@ static int moh_register(char *classname, char *mode, char *param, char *miscargs
return -1;
}
} else {
ast_log(LOG_WARNING, "Don't know how to do a mode '%s' music on hold\n", mode);
ast_log(LOG_WARNING, "Don't know how to do a mode '%s' music on hold\n", moh->mode);
ast_moh_free_class(&moh);
return -1;
}
@@ -885,21 +882,100 @@ static void local_ast_moh_stop(struct ast_channel *chan)
}
}
static struct mohclass *moh_class_malloc(void)
{
struct mohclass *class;
class = malloc(sizeof(struct mohclass));
if (!class)
return NULL;
memset(class, 0, sizeof(struct mohclass));
class->format = AST_FORMAT_SLINEAR;
return class;
}
static int load_moh_classes(void)
{
struct ast_config *cfg;
struct ast_variable *var;
struct mohclass *class;
char *data;
char *args;
int x = 0;
char *cat;
int numclasses = 0;
static int dep_warning = 0;
cfg = ast_config_load("musiconhold.conf");
if (!cfg)
return 0;
cat = ast_category_browse(cfg, NULL);
for (; cat; cat = ast_category_browse(cfg, cat)) {
if (strcasecmp(cat, "classes") && strcasecmp(cat, "moh_files")) {
class = moh_class_malloc();
if (!class) {
ast_log(LOG_WARNING, "Out of memory!\n");
break;
}
ast_copy_string(class->name, cat, sizeof(class->name));
var = ast_variable_browse(cfg, cat);
while (var) {
if (!strcasecmp(var->name, "mode"))
ast_copy_string(class->mode, var->value, sizeof(class->name));
else if (!strcasecmp(var->name, "directory"))
ast_copy_string(class->dir, var->value, sizeof(class->dir));
else if (!strcasecmp(var->name, "application"))
ast_copy_string(class->args, var->value, sizeof(class->args));
else if (!strcasecmp(var->name, "random"))
ast_set2_flag(class, ast_true(var->value), MOH_RANDOMIZE);
else if (!strcasecmp(var->name, "format")) {
class->format = ast_getformatbyname(var->value);
if (!class->format) {
ast_log(LOG_WARNING, "Unknown format '%s' -- defaulting to SLIN\n", var->value);
class->format = AST_FORMAT_SLINEAR;
}
}
var = var->next;
}
if (ast_strlen_zero(class->dir)) {
if (!strcasecmp(class->mode, "custom")) {
strcpy(class->dir, "nodir");
} else {
ast_log(LOG_WARNING, "A directory must be specified for class '%s'!\n", class->name);
free(class);
continue;
}
}
if (ast_strlen_zero(class->mode)) {
ast_log(LOG_WARNING, "A mode must be specified for class '%s'!\n", class->name);
free(class);
continue;
}
if (ast_strlen_zero(class->args) && !strcasecmp(class->mode, "custom")) {
ast_log(LOG_WARNING, "An application must be specified for class '%s'!\n", class->name);
free(class);
continue;
}
moh_register(class);
numclasses++;
}
}
/* Deprecated Old-School Configuration */
var = ast_variable_browse(cfg, "classes");
while (var) {
if (!dep_warning) {
ast_log(LOG_WARNING, "The old musiconhold.conf syntax has been deprecated! Please refer to the sample configuration for information on the new syntax.\n");
dep_warning = 1;
}
data = strchr(var->value, ':');
if (data) {
*data++ = '\0';
@@ -907,26 +983,55 @@ static int load_moh_classes(void)
if (args)
*args++ = '\0';
if (!(get_mohbyname(var->name))) {
moh_register(var->name, var->value, data, args);
x++;
class = moh_class_malloc();
if (!class) {
ast_log(LOG_WARNING, "Out of memory!\n");
return numclasses;
}
ast_copy_string(class->name, var->name, sizeof(class->name));
ast_copy_string(class->dir, data, sizeof(class->dir));
ast_copy_string(class->mode, var->value, sizeof(class->mode));
if (args)
ast_copy_string(class->args, args, sizeof(class->args));
moh_register(class);
numclasses++;
}
}
var = var->next;
}
var = ast_variable_browse(cfg, "moh_files");
while (var) {
if (!dep_warning) {
ast_log(LOG_WARNING, "The old musiconhold.conf syntax has been deprecated! Please refer to the sample configuration for information on the new syntax.\n");
dep_warning = 1;
}
if (!(get_mohbyname(var->name))) {
args = strchr(var->value, ',');
if (args)
*args++ = '\0';
moh_register(var->name, "files", var->value, args);
x++;
class = moh_class_malloc();
if (!class) {
ast_log(LOG_WARNING, "Out of memory!\n");
return numclasses;
}
ast_copy_string(class->name, var->name, sizeof(class->name));
ast_copy_string(class->dir, var->value, sizeof(class->dir));
strcpy(class->mode, "files");
if (args)
ast_copy_string(class->args, args, sizeof(class->args));
moh_register(class);
numclasses++;
}
var = var->next;
}
ast_config_destroy(cfg);
return x;
return numclasses;
}
static void ast_moh_destroy(void)
@@ -998,7 +1103,7 @@ static int cli_files_show(int fd, int argc, char *argv[])
if (!class->total_files)
continue;
ast_cli(fd, "Class: %s\n", class->class);
ast_cli(fd, "Class: %s\n", class->name);
for (i = 0; i < class->total_files; i++)
ast_cli(fd, "\tFile: %s\n", class->filearray[i]);
}
@@ -1007,8 +1112,27 @@ static int cli_files_show(int fd, int argc, char *argv[])
return 0;
}
static int moh_classes_show(int fd, int argc, char *argv[])
{
struct mohclass *class;
ast_mutex_lock(&moh_lock);
for (class = mohclasses; class; class = class->next) {
ast_cli(fd, "Class: %s\n", class->name);
ast_cli(fd, "\tDirectory: %s\n", ast_strlen_zero(class->dir) ? "<none>" : class->dir);
if (ast_test_flag(class, MOH_CUSTOM))
ast_cli(fd, "\tApplication: %s\n", ast_strlen_zero(class->args) ? "<none>" : class->args);
ast_cli(fd, "\tFormat: %s\n", ast_getformatname(class->format));
}
ast_mutex_unlock(&moh_lock);
return 0;
}
static struct ast_cli_entry cli_moh = { { "moh", "reload"}, moh_cli, "Music On Hold", "Music On Hold", NULL};
static struct ast_cli_entry cli_moh_classes_show = { { "moh", "classes", "show"}, moh_classes_show, "List MOH classes", "Lists all MOH classes", NULL};
static struct ast_cli_entry cli_moh_files_show = { { "moh", "files", "show"}, cli_files_show, "List MOH file-based classes", "Lists all loaded file-based MOH classes and their files", NULL};
static void init_classes(void)
@@ -1033,6 +1157,7 @@ int load_module(void)
ast_register_atexit(ast_moh_destroy);
ast_cli_register(&cli_moh);
ast_cli_register(&cli_moh_files_show);
ast_cli_register(&cli_moh_classes_show);
if (!res)
res = ast_register_application(app1, moh1_exec, synopsis1, descrip1);
if (!res)

5
utils/Makefile
View File

@@ -21,7 +21,7 @@ ifeq ($(findstring BSD,${OSARCH}),BSD)
CFLAGS+=-I$(CROSS_COMPILE_TARGET)/usr/local/include -L$(CROSS_COMPILE_TARGET)/usr/local/lib
endif
TARGET=stereorize
TARGET=stereorize streamplayer
TARGET+=$(shell if [ -f $(CROSS_COMPILE_TARGET)/usr/include/popt.h ]; then echo "smsq"; else if [ -f $(CROSS_COMPILE_TARGET)/usr/local/include/popt.h ]; then echo "smsq"; fi ; fi)
TARGET+=$(shell if [ -f $(CROSS_COMPILE_TARGET)/usr/include/newt.h ]; then echo "astman"; else if [ -f $(CROSS_COMPILE_TARGET)/usr/local/include/newt.h ]; then echo "astman"; fi ; fi)
@@ -53,6 +53,9 @@ check_expr : check_expr.c ../ast_expr.a
smsq: smsq.o
$(CC) $(CFLAGS) -o smsq ${SOL} smsq.o -lpopt
streamplayer: streamplayer.o
$(CC) $(CFLAGS) -o streamplayer ${SOL} streamplayer.o
ifneq ($(wildcard .depend),)
include .depend
endif

84
utils/streamplayer.c Executable file
View File

@@ -0,0 +1,84 @@
/*
* streamplayer.c
*
* A utility for reading from a stream
*
* Copyright (C) 2005, Digium, Inc.
*
* Russell Bryant <russell@digium.com>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <netdb.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/time.h>
int main(int argc, char *argv[])
{
struct sockaddr_in sin;
struct hostent *hp;
int s;
int res;
char buf[2048];
fd_set wfds;
struct timeval tv;
if (argc != 3) {
fprintf(stderr, "Usage: ./streamplayer <ip> <port>\n");
exit(1);
}
hp = gethostbyname(argv[1]);
if (!hp) {
fprintf(stderr, "Unable to lookup IP for host '%s'\n", argv[1]);
exit(1);
}
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = htons(atoi(argv[2]));
memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr));
s = socket(AF_INET, SOCK_STREAM, 0);
if (s < 0) {
fprintf(stderr, "Unable to allocate socket!\n");
exit(1);
}
res = connect(s, (struct sockaddr *)&sin, sizeof(sin));
if (res) {
fprintf(stderr, "Unable to connect to host!\n");
close(s);
exit(1);
}
while (1) {
res = read(s, buf, sizeof(buf));
if (res < 1)
break;
memset(&tv, 0, sizeof(tv));
FD_ZERO(&wfds);
FD_SET(1, &wfds);
select(2, NULL, &wfds, NULL, &tv);
if (FD_ISSET(1, &wfds))
write(1, buf, res);
}
close(s);
exit(res);
}