diff options
Diffstat (limited to 'apps/app_echo.c')
| -rwxr-xr-x | apps/app_echo.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/apps/app_echo.c b/apps/app_echo.c index 2b7c20079..89bf7a59d 100755 --- a/apps/app_echo.c +++ b/apps/app_echo.c @@ -43,12 +43,12 @@ static char *tdesc = "Simple Echo Application"; static char *app = "Echo"; -static char *synopsis = "Echo audio read back to the user"; +static char *synopsis = "Echo audio, video, or DTMF back to the calling party"; static char *descrip = -" Echo(): Echo audio read from channel back to the channel. \n" -"User can exit the application by either pressing the '#' key, \n" -"or hanging up.\n"; +" Echo(): This application will echo any audio, video, or DTMF frames read from\n" +"the calling channel back to itself. If the DTMF digit '#' is received, the\n" +"application will exit.\n"; STANDARD_LOCAL_USER; @@ -56,14 +56,18 @@ LOCAL_USER_DECL; static int echo_exec(struct ast_channel *chan, void *data) { - int res=-1; + int res = -1; + int format; struct localuser *u; struct ast_frame *f; + LOCAL_USER_ADD(u); - ast_set_write_format(chan, ast_best_codec(chan->nativeformats)); - ast_set_read_format(chan, ast_best_codec(chan->nativeformats)); - /* Do our thing here */ - while(ast_waitfor(chan, -1) > -1) { + + format = ast_best_codec(chan->nativeformats); + ast_set_write_format(chan, format); + ast_set_read_format(chan, format); + + while (ast_waitfor(chan, -1) > -1) { f = ast_read(chan); if (!f) break; @@ -79,13 +83,16 @@ static int echo_exec(struct ast_channel *chan, void *data) if (f->subclass == '#') { res = 0; break; - } else + } else { if (ast_write(chan, f)) break; + } } ast_frfree(f); } + LOCAL_USER_REMOVE(u); + return res; } |