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Clean up app_milliwatt code.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@54528 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2007-02-15 01:52:10 +00:00
parent 68a66656e6
commit fd3630715b
1 changed files with 15 additions and 11 deletions
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26
apps/app_milliwatt.c
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@@ -50,7 +50,6 @@ static char *synopsis = "Generate a Constant 1000Hz tone at 0dbm (mu-law)";
static char *descrip = static char *descrip =
"Milliwatt(): Generate a Constant 1000Hz tone at 0dbm (mu-law)\n"; "Milliwatt(): Generate a Constant 1000Hz tone at 0dbm (mu-law)\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} ;
static void *milliwatt_alloc(struct ast_channel *chan, void *params) static void *milliwatt_alloc(struct ast_channel *chan, void *params)
@@ -82,7 +81,6 @@ static int milliwatt_generate(struct ast_channel *chan, void *data, int len, int
* a multiple of samples, given by number of samples times bytes per * a multiple of samples, given by number of samples times bytes per
* sample. In the case of ulaw, len = samples. for signed linear * sample. In the case of ulaw, len = samples. for signed linear
* len = 2 * samples */ * len = 2 * samples */
if (samples > maxsamples) { if (samples > maxsamples) {
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;
@@ -90,17 +88,18 @@ static int milliwatt_generate(struct ast_channel *chan, void *data, int len, int
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;
} }
@@ -109,28 +108,33 @@ 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 milliwatt_exec(struct ast_channel *chan, void *data) static int milliwatt_exec(struct ast_channel *chan, void *data)
{ {
struct ast_module_user *u; struct ast_module_user *u;
u = ast_module_user_add(chan); u = ast_module_user_add(chan);
ast_set_write_format(chan, AST_FORMAT_ULAW); ast_set_write_format(chan, AST_FORMAT_ULAW);
ast_set_read_format(chan, AST_FORMAT_ULAW); ast_set_read_format(chan, AST_FORMAT_ULAW);
if (chan->_state != AST_STATE_UP) if (chan->_state != AST_STATE_UP)
{
ast_answer(chan); ast_answer(chan);
}
if (ast_activate_generator(chan,&milliwattgen,"milliwatt") < 0) if (ast_activate_generator(chan,&milliwattgen,"milliwatt") < 0) {
{
ast_log(LOG_WARNING,"Failed to activate generator on '%s'\n",chan->name); ast_log(LOG_WARNING,"Failed to activate generator on '%s'\n",chan->name);
ast_module_user_remove(u); ast_module_user_remove(u);
return -1; return -1;
} }
while(!ast_safe_sleep(chan, 10000)); while(!ast_safe_sleep(chan, 10000));
ast_deactivate_generator(chan); ast_deactivate_generator(chan);
ast_module_user_remove(u); ast_module_user_remove(u);
return -1; return -1;
} }