From c382136122ce7bb96e207e9f7ae646c656f7ff73 Mon Sep 17 00:00:00 2001
From: Paul Wilkins <paulwilkins@google.com>
Date: Wed, 29 Jan 2014 14:59:04 +0000
Subject: [PATCH] Trap divide by 0.
Trap divide by 0 that could occur with a 0 rate target
in aq mode COMPLEXITY_AQ.
Change-Id: I034514f512b2a0db470ae8d37ea395278bf473cf
---
vp9/encoder/vp9_encodeframe.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/vp9/encoder/vp9_encodeframe.c b/vp9/encoder/vp9_encodeframe.c
index e5d4583fbc..4624a5c896 100644
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -380,8 +380,10 @@ static void select_in_frame_q_segment(VP9_COMP *cpi,
segment = 0;
}
- complexity_metric =
- clamp((int)((projected_rate * 64) / target_rate), 16, 255);
+ if (target_rate > 0) {
+ complexity_metric =
+ clamp((int)((projected_rate * 64) / target_rate), 16, 255);
+ }
}
// Fill in the entires in the segment map corresponding to this SB64
--
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