missed a spot on last conf commit

src/include/switch_utils.h

@@ -939,7 +939,7 @@ SWITCH_DECLARE(char *) switch_util_quote_shell_arg(const char *string);
 SWITCH_DECLARE(char *) switch_util_quote_shell_arg_pool(const char *string, switch_memory_pool_t *pool);
 
 
-#define SWITCH_READ_ACCEPTABLE(status) (status == SWITCH_STATUS_SUCCESS || status == SWITCH_STATUS_BREAK)
+#define SWITCH_READ_ACCEPTABLE(status) (status == SWITCH_STATUS_SUCCESS || status == SWITCH_STATUS_BREAK || status == SWITCH_STATUS_INUSE)
 SWITCH_DECLARE(char *) switch_url_encode(const char *url, char *buf, size_t len);
 SWITCH_DECLARE(char *) switch_url_decode(char *s);
 SWITCH_DECLARE(switch_bool_t) switch_simple_email(const char *to,

src/switch_core_io.c

@@ -79,6 +79,12 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(switch_core
 		}
 	}
 
+	if (status == SWITCH_STATUS_INUSE) {
+		*frame = &runtime.dummy_cng_frame;
+		switch_yield(20000);
+		return SWITCH_STATUS_SUCCESS;
+	}
+
 	if (status != SWITCH_STATUS_SUCCESS) {
 		goto done;
 	}