app_dictate.c File Reference
Virtual Dictation Machine Application For Asterisk. More...
#include "asterisk.h"#include <sys/stat.h>#include "asterisk/paths.h"#include "asterisk/file.h"#include "asterisk/pbx.h"#include "asterisk/module.h"#include "asterisk/say.h"#include "asterisk/app.h"
Include dependency graph for app_dictate.c:
Go to the source code of this file.
Defines | |
| #define | ast_toggle_flag(it, flag) if(ast_test_flag(it, flag)) ast_clear_flag(it, flag); else ast_set_flag(it, flag) |
Enumerations | |
| enum | dflags { DFLAG_RECORD = (1 << 0), DFLAG_PLAY = (1 << 1), DFLAG_TRUNC = (1 << 2), DFLAG_PAUSE = (1 << 3) } |
| enum | dmodes { DMODE_INIT, DMODE_RECORD, DMODE_PLAY } |
Functions | |
| static void | __reg_module (void) |
| static void | __unreg_module (void) |
| static int | dictate_exec (struct ast_channel *chan, void *data) |
| static int | load_module (void) |
| static int | play_and_wait (struct ast_channel *chan, char *file, char *digits) |
| static int | unload_module (void) |
Variables | |
| static struct ast_module_info | __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Virtual Dictation Machine" , .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 = "Dictate" |
| static struct ast_module_info * | ast_module_info = &__mod_info |
Detailed Description
Virtual Dictation Machine Application For Asterisk.
Definition in file app_dictate.c.
Define Documentation
| #define ast_toggle_flag | ( | it, | |
| flag | |||
| ) | if(ast_test_flag(it, flag)) ast_clear_flag(it, flag); else ast_set_flag(it, flag) |
Definition at line 73 of file app_dictate.c.
Referenced by dictate_exec().
Enumeration Type Documentation
| enum dflags |
Definition at line 60 of file app_dictate.c.
{
DFLAG_RECORD = (1 << 0),
DFLAG_PLAY = (1 << 1),
DFLAG_TRUNC = (1 << 2),
DFLAG_PAUSE = (1 << 3),
} dflags;
| enum dmodes |
Definition at line 67 of file app_dictate.c.
{
DMODE_INIT,
DMODE_RECORD,
DMODE_PLAY
} dmodes;
Function Documentation
| static void __reg_module | ( | void | ) | [static] |
Definition at line 351 of file app_dictate.c.
| static void __unreg_module | ( | void | ) | [static] |
Definition at line 351 of file app_dictate.c.
| static int dictate_exec | ( | struct ast_channel * | chan, |
| void * | data | ||
| ) | [static] |
Definition at line 84 of file app_dictate.c.
References ast_channel::_state, ast_answer(), AST_APP_ARG, ast_app_getdata(), ast_clear_flag, ast_closestream(), ast_config_AST_SPOOL_DIR, ast_copy_string(), AST_DECLARE_APP_ARGS, AST_DIGIT_ANY, AST_FILE_MODE, AST_FORMAT_SLINEAR, AST_FRAME_DTMF, AST_FRAME_VOICE, ast_frfree, ast_log(), ast_mkdir(), ast_openstream(), ast_queue_frame(), ast_read(), ast_readframe(), ast_safe_sleep(), ast_say_number(), ast_seekstream(), ast_set_flag, ast_set_read_format(), AST_STANDARD_APP_ARGS, AST_STATE_UP, ast_strdupa, ast_strlen_zero(), ast_test_flag, ast_toggle_flag, ast_waitfor(), ast_write(), ast_writefile(), ast_writestream(), DFLAG_PAUSE, DFLAG_PLAY, DFLAG_TRUNC, DMODE_PLAY, DMODE_RECORD, f, ast_frame::frametype, ast_channel::language, len(), LOG_WARNING, parse(), play_and_wait(), ast_channel::readformat, ast_frame::samples, ast_channel::stream, and ast_frame::subclass.
Referenced by load_module().
{
char *path = NULL, filein[256], *filename = "";
char *parse;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(base);
AST_APP_ARG(filename);
);
char dftbase[256];
char *base;
struct ast_flags flags = {0};
struct ast_filestream *fs;
struct ast_frame *f = NULL;
int ffactor = 320 * 80,
res = 0,
done = 0,
oldr = 0,
lastop = 0,
samples = 0,
speed = 1,
digit = 0,
len = 0,
maxlen = 0,
mode = 0;
snprintf(dftbase, sizeof(dftbase), "%s/dictate", ast_config_AST_SPOOL_DIR);
if (!ast_strlen_zero(data)) {
parse = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, parse);
} else
args.argc = 0;
if (args.argc && !ast_strlen_zero(args.base)) {
base = args.base;
} else {
base = dftbase;
}
if (args.argc > 1 && args.filename) {
filename = args.filename;
}
oldr = chan->readformat;
if ((res = ast_set_read_format(chan, AST_FORMAT_SLINEAR)) < 0) {
ast_log(LOG_WARNING, "Unable to set to linear mode.\n");
return -1;
}
if (chan->_state != AST_STATE_UP) {
ast_answer(chan);
}
ast_safe_sleep(chan, 200);
for (res = 0; !res;) {
if (ast_strlen_zero(filename)) {
if (ast_app_getdata(chan, "dictate/enter_filename", filein, sizeof(filein), 0) ||
ast_strlen_zero(filein)) {
res = -1;
break;
}
} else {
ast_copy_string(filein, filename, sizeof(filein));
filename = "";
}
ast_mkdir(base, 0755);
len = strlen(base) + strlen(filein) + 2;
if (!path || len > maxlen) {
path = alloca(len);
memset(path, 0, len);
maxlen = len;
} else {
memset(path, 0, maxlen);
}
snprintf(path, len, "%s/%s", base, filein);
fs = ast_writefile(path, "raw", NULL, O_CREAT|O_APPEND, 0, AST_FILE_MODE);
mode = DMODE_PLAY;
memset(&flags, 0, sizeof(flags));
ast_set_flag(&flags, DFLAG_PAUSE);
digit = play_and_wait(chan, "dictate/forhelp", AST_DIGIT_ANY);
done = 0;
speed = 1;
res = 0;
lastop = 0;
samples = 0;
while (!done && ((res = ast_waitfor(chan, -1)) > -1) && fs && (f = ast_read(chan))) {
if (digit) {
struct ast_frame fr = {AST_FRAME_DTMF, digit};
ast_queue_frame(chan, &fr);
digit = 0;
}
if ((f->frametype == AST_FRAME_DTMF)) {
int got = 1;
switch(mode) {
case DMODE_PLAY:
switch(f->subclass) {
case '1':
ast_set_flag(&flags, DFLAG_PAUSE);
mode = DMODE_RECORD;
break;
case '2':
speed++;
if (speed > 4) {
speed = 1;
}
res = ast_say_number(chan, speed, AST_DIGIT_ANY, chan->language, NULL);
break;
case '7':
samples -= ffactor;
if(samples < 0) {
samples = 0;
}
ast_seekstream(fs, samples, SEEK_SET);
break;
case '8':
samples += ffactor;
ast_seekstream(fs, samples, SEEK_SET);
break;
default:
got = 0;
}
break;
case DMODE_RECORD:
switch(f->subclass) {
case '1':
ast_set_flag(&flags, DFLAG_PAUSE);
mode = DMODE_PLAY;
break;
case '8':
ast_toggle_flag(&flags, DFLAG_TRUNC);
lastop = 0;
break;
default:
got = 0;
}
break;
default:
got = 0;
}
if (!got) {
switch(f->subclass) {
case '#':
done = 1;
continue;
break;
case '*':
ast_toggle_flag(&flags, DFLAG_PAUSE);
if (ast_test_flag(&flags, DFLAG_PAUSE)) {
digit = play_and_wait(chan, "dictate/pause", AST_DIGIT_ANY);
} else {
digit = play_and_wait(chan, mode == DMODE_PLAY ? "dictate/playback" : "dictate/record", AST_DIGIT_ANY);
}
break;
case '0':
ast_set_flag(&flags, DFLAG_PAUSE);
digit = play_and_wait(chan, "dictate/paused", AST_DIGIT_ANY);
switch(mode) {
case DMODE_PLAY:
digit = play_and_wait(chan, "dictate/play_help", AST_DIGIT_ANY);
break;
case DMODE_RECORD:
digit = play_and_wait(chan, "dictate/record_help", AST_DIGIT_ANY);
break;
}
if (digit == 0) {
digit = play_and_wait(chan, "dictate/both_help", AST_DIGIT_ANY);
} else if (digit < 0) {
done = 1;
break;
}
break;
}
}
} else if (f->frametype == AST_FRAME_VOICE) {
switch(mode) {
struct ast_frame *fr;
int x;
case DMODE_PLAY:
if (lastop != DMODE_PLAY) {
if (ast_test_flag(&flags, DFLAG_PAUSE)) {
digit = play_and_wait(chan, "dictate/playback_mode", AST_DIGIT_ANY);
if (digit == 0) {
digit = play_and_wait(chan, "dictate/paused", AST_DIGIT_ANY);
} else if (digit < 0) {
break;
}
}
if (lastop != DFLAG_PLAY) {
lastop = DFLAG_PLAY;
ast_closestream(fs);
if (!(fs = ast_openstream(chan, path, chan->language)))
break;
ast_seekstream(fs, samples, SEEK_SET);
chan->stream = NULL;
}
lastop = DMODE_PLAY;
}
if (!ast_test_flag(&flags, DFLAG_PAUSE)) {
for (x = 0; x < speed; x++) {
if ((fr = ast_readframe(fs))) {
ast_write(chan, fr);
samples += fr->samples;
ast_frfree(fr);
fr = NULL;
} else {
samples = 0;
ast_seekstream(fs, 0, SEEK_SET);
}
}
}
break;
case DMODE_RECORD:
if (lastop != DMODE_RECORD) {
int oflags = O_CREAT | O_WRONLY;
if (ast_test_flag(&flags, DFLAG_PAUSE)) {
digit = play_and_wait(chan, "dictate/record_mode", AST_DIGIT_ANY);
if (digit == 0) {
digit = play_and_wait(chan, "dictate/paused", AST_DIGIT_ANY);
} else if (digit < 0) {
break;
}
}
lastop = DMODE_RECORD;
ast_closestream(fs);
if ( ast_test_flag(&flags, DFLAG_TRUNC)) {
oflags |= O_TRUNC;
digit = play_and_wait(chan, "dictate/truncating_audio", AST_DIGIT_ANY);
} else {
oflags |= O_APPEND;
}
fs = ast_writefile(path, "raw", NULL, oflags, 0, AST_FILE_MODE);
if (ast_test_flag(&flags, DFLAG_TRUNC)) {
ast_seekstream(fs, 0, SEEK_SET);
ast_clear_flag(&flags, DFLAG_TRUNC);
} else {
ast_seekstream(fs, 0, SEEK_END);
}
}
if (!ast_test_flag(&flags, DFLAG_PAUSE)) {
res = ast_writestream(fs, f);
}
break;
}
}
ast_frfree(f);
}
}
if (oldr) {
ast_set_read_format(chan, oldr);
}
return 0;
}
| static int load_module | ( | void | ) | [static] |
Definition at line 346 of file app_dictate.c.
References ast_register_application_xml, and dictate_exec().
{
return ast_register_application_xml(app, dictate_exec);
}
| static int play_and_wait | ( | struct ast_channel * | chan, |
| char * | file, | ||
| char * | digits | ||
| ) | [static] |
Definition at line 75 of file app_dictate.c.
References ast_streamfile(), ast_waitstream(), and ast_channel::language.
Referenced by dictate_exec().
{
int res = -1;
if (!ast_streamfile(chan, file, chan->language)) {
res = ast_waitstream(chan, digits);
}
return res;
}
| static int unload_module | ( | void | ) | [static] |
Definition at line 339 of file app_dictate.c.
References ast_unregister_application().
{
int res;
res = ast_unregister_application(app);
return res;
}
Variable Documentation
struct ast_module_info __mod_info = { .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "Virtual Dictation Machine" , .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 351 of file app_dictate.c.
char* app = "Dictate" [static] |
Definition at line 58 of file app_dictate.c.
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 351 of file app_dictate.c.
