From: Carl Hetherington <cth@carlh.net>
Date: Sat, 18 Dec 2021 22:32:11 +0000 (+0100)
Subject: Tiny optimisation.
X-Git-Tag: checked-for-v2.16.x~133
X-Git-Url: https://main.carlh.net/gitweb/?a=commitdiff_plain;ds=sidebyside;h=f09bbf9d037975b5a6113c4d5634c82625a51683;p=dcpomatic.git

Tiny optimisation.
---

diff --git a/src/lib/image.cc b/src/lib/image.cc
index ad88568cd..c6d2345a8 100644
--- a/src/lib/image.cc
+++ b/src/lib/image.cc
@@ -122,15 +122,15 @@ Image::sample_size (int n) const
 int
 Image::planes () const
 {
+	if (_pixel_format == AV_PIX_FMT_PAL8) {
+		return 2;
+	}
+
 	auto d = av_pix_fmt_desc_get(_pixel_format);
 	if (!d) {
 		throw PixelFormatError ("planes()", _pixel_format);
 	}
 
-	if (_pixel_format == AV_PIX_FMT_PAL8) {
-		return 2;
-	}
-
 	if ((d->flags & AV_PIX_FMT_FLAG_PLANAR) == 0) {
 		return 1;
 	}