From a618dbb537cc9d733707ead56e6b6e7694c72d74 Mon Sep 17 00:00:00 2001
From: ronag <ronag@362d55ac-95cf-4e76-9f9a-cbaa9c17b72d>
Date: Mon, 7 Jan 2013 16:49:21 +0000
Subject: [PATCH] basic_frame/disable_audio: Just forward empty frames.

git-svn-id: https://casparcg.svn.sourceforge.net/svnroot/casparcg/server/trunk@3645 362d55ac-95cf-4e76-9f9a-cbaa9c17b72d
---
 core/producer/frame/basic_frame.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/core/producer/frame/basic_frame.cpp b/core/producer/frame/basic_frame.cpp
index 8a3b23278..ce4f773a1 100644
--- a/core/producer/frame/basic_frame.cpp
+++ b/core/producer/frame/basic_frame.cpp
@@ -147,6 +147,9 @@ safe_ptr<basic_frame> basic_frame::fill_and_key(const safe_ptr<basic_frame>& fil
 
 safe_ptr<basic_frame> disable_audio(const safe_ptr<basic_frame>& frame)
 {
+	if(frame == basic_frame::empty())
+		return frame;
+
 	basic_frame frame2 = frame;
 	frame2.get_frame_transform().volume = 0.0;
 	return make_safe<basic_frame>(std::move(frame2));
-- 
2.39.2