Digital Milliwatt Test. More...
#include "asterisk.h"#include "asterisk/module.h"#include "asterisk/channel.h"#include "asterisk/pbx.h"#include "asterisk/indications.h"
Go to the source code of this file.
Functions | |
| static void | __reg_module (void) |
| static void | __unreg_module (void) |
| static int | load_module (void) |
| static void * | milliwatt_alloc (struct ast_channel *chan, void *params) |
| static int | milliwatt_exec (struct ast_channel *chan, void *data) |
| static int | milliwatt_generate (struct ast_channel *chan, void *data, int len, int samples) |
| static void | milliwatt_release (struct ast_channel *chan, void *data) |
| static int | old_milliwatt_exec (struct ast_channel *chan) |
| static int | unload_module (void) |
Variables | |
| static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Digital Milliwatt (mu-law) Test Application" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } |
| static char * | app = "Milliwatt" |
| static struct ast_module_info * | ast_module_info = &__mod_info |
| static char | digital_milliwatt [] = {0x1e,0x0b,0x0b,0x1e,0x9e,0x8b,0x8b,0x9e} |
| static struct ast_generator | milliwattgen |
Detailed Description
Digital Milliwatt Test.
Definition in file app_milliwatt.c.
Function Documentation
| static void __reg_module | ( | void | ) | [static] |
Definition at line 171 of file app_milliwatt.c.
| static void __unreg_module | ( | void | ) | [static] |
Definition at line 171 of file app_milliwatt.c.
| static int load_module | ( | void | ) | [static] |
Definition at line 166 of file app_milliwatt.c.
References ast_register_application_xml, and milliwatt_exec().
{
return ast_register_application_xml(app, milliwatt_exec);
}
| static void* milliwatt_alloc | ( | struct ast_channel * | chan, |
| void * | params | ||
| ) | [static] |
Definition at line 63 of file app_milliwatt.c.
References ast_calloc.
{
return ast_calloc(1, sizeof(int));
}
| static int milliwatt_exec | ( | struct ast_channel * | chan, |
| void * | data | ||
| ) | [static] |
Definition at line 143 of file app_milliwatt.c.
References ast_playtones_start(), ast_safe_sleep(), ast_strlen_zero(), and old_milliwatt_exec().
Referenced by load_module().
{
const char *options = data;
int res = -1;
if (!ast_strlen_zero(options) && strchr(options, 'o')) {
return old_milliwatt_exec(chan);
}
res = ast_playtones_start(chan, 23255, "1004/1000", 0);
while (!res) {
res = ast_safe_sleep(chan, 10000);
}
return res;
}
| static int milliwatt_generate | ( | struct ast_channel * | chan, |
| void * | data, | ||
| int | len, | ||
| int | samples | ||
| ) | [static] |
Definition at line 74 of file app_milliwatt.c.
References ARRAY_LEN, AST_FORMAT_ULAW, AST_FRAME_VOICE, AST_FRIENDLY_OFFSET, ast_log(), ast_write(), buf, ast_frame::data, ast_frame::datalen, errno, ast_frame::frametype, len(), LOG_WARNING, ast_channel::name, ast_frame::ptr, and ast_frame::samples.
{
unsigned char buf[AST_FRIENDLY_OFFSET + 640];
const int maxsamples = ARRAY_LEN(buf);
int i, *indexp = (int *) data;
struct ast_frame wf = {
.frametype = AST_FRAME_VOICE,
.subclass = AST_FORMAT_ULAW,
.offset = AST_FRIENDLY_OFFSET,
.src = __FUNCTION__,
};
wf.data.ptr = buf + AST_FRIENDLY_OFFSET;
/* Instead of len, use samples, because channel.c generator_force
* generate(chan, tmp, 0, 160) ignores len. In any case, len is
* 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;
}
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++) {
buf[AST_FRIENDLY_OFFSET + i] = digital_milliwatt[(*indexp)++];
*indexp &= 7;
}
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;
}
| static void milliwatt_release | ( | struct ast_channel * | chan, |
| void * | data | ||
| ) | [static] |
| static int old_milliwatt_exec | ( | struct ast_channel * | chan | ) | [static] |
Definition at line 121 of file app_milliwatt.c.
References ast_channel::_state, ast_activate_generator(), ast_answer(), ast_deactivate_generator(), AST_FORMAT_ULAW, ast_log(), ast_safe_sleep(), ast_set_read_format(), ast_set_write_format(), AST_STATE_UP, LOG_WARNING, and ast_channel::name.
Referenced by milliwatt_exec().
{
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 unload_module | ( | void | ) | [static] |
Definition at line 161 of file app_milliwatt.c.
References ast_unregister_application().
{
return ast_unregister_application(app);
}
Variable Documentation
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Digital Milliwatt (mu-law) Test Application" , .key = "This paragraph is copyright (c) 2006 by Digium, Inc. \In order for your module to load, it must return this \key via a function called \"key\". Any code which \includes this paragraph must be licensed under the GNU \General Public License version 2 or later (at your \option). In addition to Digium's general reservations \of rights, Digium expressly reserves the right to \allow other parties to license this paragraph under \different terms. Any use of Digium, Inc. trademarks or \logos (including \"Asterisk\" or \"Digium\") without \express written permission of Digium, Inc. is prohibited.\n" , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, } [static] |
Definition at line 171 of file app_milliwatt.c.
char* app = "Milliwatt" [static] |
Definition at line 59 of file app_milliwatt.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 171 of file app_milliwatt.c.
char digital_milliwatt[] = {0x1e,0x0b,0x0b,0x1e,0x9e,0x8b,0x8b,0x9e} [static] |
Definition at line 61 of file app_milliwatt.c.
struct ast_generator milliwattgen [static] |
{
alloc: milliwatt_alloc,
release: milliwatt_release,
generate: milliwatt_generate,
}
Definition at line 115 of file app_milliwatt.c.
