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author | file <file@f38db490-d61c-443f-a65b-d21fe96a405b> | 2007-02-15 01:52:10 +0000 |
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committer | file <file@f38db490-d61c-443f-a65b-d21fe96a405b> | 2007-02-15 01:52:10 +0000 |
commit | 3cc71d5fb098bfd49a432b62117487e1ddeb4086 (patch) | |
tree | d9da5cd3c7a0540cd60dca96bf641884900fb4b0 /apps/app_milliwatt.c | |
parent | 0e24af1090a66e21f04d228fd8fef86da19e9010 (diff) |
Clean up app_milliwatt code.
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@54528 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'apps/app_milliwatt.c')
-rw-r--r-- | apps/app_milliwatt.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/apps/app_milliwatt.c b/apps/app_milliwatt.c index 8b0456014..5a2a9e18d 100644 --- a/apps/app_milliwatt.c +++ b/apps/app_milliwatt.c @@ -50,7 +50,6 @@ static char *synopsis = "Generate a Constant 1000Hz tone at 0dbm (mu-law)"; static char *descrip = "Milliwatt(): Generate a Constant 1000Hz tone at 0dbm (mu-law)\n"; - static char digital_milliwatt[] = {0x1e,0x0b,0x0b,0x1e,0x9e,0x8b,0x8b,0x9e} ; 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 * sample. In the case of ulaw, len = samples. for signed linear * len = 2 * samples */ - if (samples > maxsamples) { ast_log(LOG_WARNING, "Only doing %d samples (%d requested)\n", maxsamples, samples); samples = maxsamples; @@ -90,17 +88,18 @@ static int milliwatt_generate(struct ast_channel *chan, void *data, int len, int len = samples * sizeof (buf[0]); wf.datalen = len; wf.samples = samples; + /* 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)++]; *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)); return -1; } + return 0; } @@ -109,28 +108,33 @@ static struct ast_generator milliwattgen = alloc: milliwatt_alloc, release: milliwatt_release, generate: milliwatt_generate, -} ; +}; static int milliwatt_exec(struct ast_channel *chan, void *data) { struct ast_module_user *u; u = ast_module_user_add(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) - { + + if (ast_activate_generator(chan,&milliwattgen,"milliwatt") < 0) { ast_log(LOG_WARNING,"Failed to activate generator on '%s'\n",chan->name); ast_module_user_remove(u); return -1; } + while(!ast_safe_sleep(chan, 10000)); + ast_deactivate_generator(chan); + ast_module_user_remove(u); + return -1; } |