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Change milliwatt to use the proper tone by default (1004 Hz) instead of 1000 Hz.

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An option is there to use 1000 Hz for anyone that might want it.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@118956 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2008-05-29 17:38:38 +00:00
parent ba9f012573
commit e5b9da59e2
1 changed files with 65 additions and 23 deletions
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88
apps/app_milliwatt.c
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@@ -45,10 +45,14 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
static char *app = "Milliwatt"; static char *app = "Milliwatt";
static char *synopsis = "Generate a Constant 1000Hz tone at 0dbm (mu-law)"; static char *synopsis = "Generate a Constant 1004Hz tone at 0dbm (mu-law)";
static char *descrip = static char *descrip =
"Milliwatt(): Generate a Constant 1000Hz tone at 0dbm (mu-law)\n"; " Milliwatt([options]): Generate a Constant 1004Hz tone at 0dbm.\n"
"Previous versions of this application generated the tone at 1000Hz. If for\n"
"some reason you would prefer that behavior, supply the 'o' option to get the\n"
"old behavior.\n"
"";
static char digital_milliwatt[] = {0x1e,0x0b,0x0b,0x1e,0x9e,0x8b,0x8b,0x9e} ; static char digital_milliwatt[] = {0x1e,0x0b,0x0b,0x1e,0x9e,0x8b,0x8b,0x9e} ;
@@ -87,51 +91,89 @@ static int milliwatt_generate(struct ast_channel *chan, void *data, int len, int
ast_log(LOG_WARNING, "Only doing %d samples (%d requested)\n", maxsamples, samples); ast_log(LOG_WARNING, "Only doing %d samples (%d requested)\n", maxsamples, samples);
samples = maxsamples; samples = maxsamples;
} }
len = samples * sizeof (buf[0]); len = samples * sizeof (buf[0]);
wf.datalen = len; wf.datalen = len;
wf.samples = samples; wf.samples = samples;
/* create a buffer containing the digital milliwatt pattern */ /* create a buffer containing the digital milliwatt pattern */
for(i = 0; i < len; i++) for (i = 0; i < len; i++) {
{
buf[AST_FRIENDLY_OFFSET + i] = digital_milliwatt[(*indexp)++]; buf[AST_FRIENDLY_OFFSET + i] = digital_milliwatt[(*indexp)++];
*indexp &= 7; *indexp &= 7;
} }
if (ast_write(chan,&wf) < 0)
{ if (ast_write(chan,&wf) < 0) {
ast_log(LOG_WARNING,"Failed to write frame to '%s': %s\n",chan->name,strerror(errno)); ast_log(LOG_WARNING,"Failed to write frame to '%s': %s\n",chan->name,strerror(errno));
return -1; return -1;
} }
return 0; return 0;
} }
static struct ast_generator milliwattgen = static struct ast_generator milliwattgen = {
{
alloc: milliwatt_alloc, alloc: milliwatt_alloc,
release: milliwatt_release, release: milliwatt_release,
generate: milliwatt_generate, generate: milliwatt_generate,
} ; };
static int old_milliwatt_exec(struct ast_channel *chan)
{
ast_set_write_format(chan, AST_FORMAT_ULAW);
ast_set_read_format(chan, AST_FORMAT_ULAW);
if (chan->_state != AST_STATE_UP) {
ast_answer(chan);
}
if (ast_activate_generator(chan,&milliwattgen,"milliwatt") < 0) {
ast_log(LOG_WARNING,"Failed to activate generator on '%s'\n",chan->name);
return -1;
}
while (!ast_safe_sleep(chan, 10000))
;
ast_deactivate_generator(chan);
return -1;
}
static int milliwatt_exec(struct ast_channel *chan, void *data) static int milliwatt_exec(struct ast_channel *chan, void *data)
{ {
const char *options = data;
struct ast_app *playtones_app, *wait_app;
struct ast_module_user *u; struct ast_module_user *u;
int res = -1;
u = ast_module_user_add(chan); u = ast_module_user_add(chan);
ast_set_write_format(chan, AST_FORMAT_ULAW);
ast_set_read_format(chan, AST_FORMAT_ULAW); if (!ast_strlen_zero(options) && strchr(options, 'o')) {
if (chan->_state != AST_STATE_UP) res = old_milliwatt_exec(chan);
{ goto exit_app;
ast_answer(chan);
} }
if (ast_activate_generator(chan,&milliwattgen,"milliwatt") < 0)
{ if (!(playtones_app = pbx_findapp("Playtones"))) {
ast_log(LOG_WARNING,"Failed to activate generator on '%s'\n",chan->name); ast_log(LOG_ERROR, "The Playtones application is required to run Milliwatt()\n");
ast_module_user_remove(u); goto exit_app;
return -1;
} }
while(!ast_safe_sleep(chan, 10000));
ast_deactivate_generator(chan); if (!(wait_app = pbx_findapp("Wait"))) {
ast_log(LOG_ERROR, "The Playtones application is required to run Milliwatt()\n");
goto exit_app;
}
res = pbx_exec(chan, playtones_app, "1004,1000");
while (!res) {
res = pbx_exec(chan, wait_app, "3600");
}
res = 0;
exit_app:
ast_module_user_remove(u); ast_module_user_remove(u);
return -1;
return res;
} }
static int unload_module(void) static int unload_module(void)