From fe62658c698f2cae4f7f4de6d659d9a3116a57eb Mon Sep 17 00:00:00 2001
From: jp9000 <obs.jim@gmail.com>
Date: Tue, 24 May 2016 07:24:30 -0700
Subject: [PATCH] libobs: Recalculate transition transforms when starting

If custom transforms were used, the very first frame after starting
would always render with the previous transform before calculating the
new transform.
---
 libobs/obs-source-transition.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libobs/obs-source-transition.c b/libobs/obs-source-transition.c
index b6b71e0ba..927ddbab7 100644
--- a/libobs/obs-source-transition.c
+++ b/libobs/obs-source-transition.c
@@ -380,6 +380,9 @@ bool obs_transition_start(obs_source_t *transition,
 	obs_source_dosignal(transition, "source_transition_start",
 			"transition_start");
 
+	recalculate_transition_size(transition);
+	recalculate_transition_matrices(transition);
+
 	/* TODO: Add mode */
 	UNUSED_PARAMETER(mode);
 	return true;