diff --git a/apps/app_echo.c b/apps/app_echo.c index 2ec9d709b4..972e59f0ae 100644 --- a/apps/app_echo.c +++ b/apps/app_echo.c @@ -58,6 +58,7 @@ static const char app[] = "Echo"; static int echo_exec(struct ast_channel *chan, const char *data) { int res = -1; + int fir_sent = 0; while (ast_waitfor(chan, -1) > -1) { struct ast_frame *f = ast_read(chan); @@ -66,6 +67,22 @@ static int echo_exec(struct ast_channel *chan, const char *data) } f->delivery.tv_sec = 0; f->delivery.tv_usec = 0; + if (f->frametype == AST_FRAME_CONTROL + && f->subclass.integer == AST_CONTROL_VIDUPDATE) { + if (ast_write(chan, f) < 0) { + ast_frfree(f); + goto end; + } + fir_sent = 1; + } + if (!fir_sent && f->frametype == AST_FRAME_VIDEO) { + struct ast_frame frame = { + .frametype = AST_FRAME_CONTROL, + .subclass.integer = AST_CONTROL_VIDUPDATE, + }; + ast_write(chan, &frame); + fir_sent = 1; + } if (f->frametype != AST_FRAME_CONTROL && f->frametype != AST_FRAME_MODEM && f->frametype != AST_FRAME_NULL