* libtiff/tif_jpeg.c: only run JPEGFixupTagsSubsampling() if the

YCbCrSubsampling tag is not explicitly present. This helps a bit to reduce
the I/O amount when te tag is present (especially on cloud hosted files).

1 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index ee7c7f56..fbefd1b3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-01-31 Even Rouault <even.rouault at spatialys.com>
+
+	* libtiff/tif_jpeg.c: only run JPEGFixupTagsSubsampling() if the
+	YCbCrSubsampling tag is not explicitly present. This helps a bit to reduce
+	the I/O amount when te tag is present (especially on cloud hosted files).
+
 2017-01-14 Even Rouault <even.rouault at spatialys.com>
 
 	* tools/raw2tiff.c: avoid integer division by zero.