[FFmpeg-cvslog] Revert "lavc/tiff: correct the default value of YCbCrSubsampling to 2x2"

[Carl Eugen Hoyos]

ffmpeg | branch: master | Carl Eugen Hoyos <ceffmpeg at gmail.com> | Thu Sep 26 00:34:44 2019 +0200| [dbd3dbb4766126a806e7aeaa3e2dfbc3557f66f9] | committer: Carl Eugen Hoyos

Revert "lavc/tiff: correct the default value of YCbCrSubsampling to 2x2"

This reverts commit eb5d0f18ff609ba2280cea4e2c6286d216c8756b.

Together with 89f464e9, it breaks decoding of tiff files like fate-suite/exif/image_small.tiff

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dbd3dbb4766126a806e7aeaa3e2dfbc3557f66f9
---

 libavcodec/tiff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index c8b2a3680e..9f24796a88 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -2065,7 +2065,7 @@ static av_cold int tiff_init(AVCodecContext *avctx)
     s->width  = 0;
     s->height = 0;
     s->subsampling[0] =
-    s->subsampling[1] = 2;
+    s->subsampling[1] = 1;
     s->avctx  = avctx;
     ff_lzw_decode_open(&s->lzw);
     if (!s->lzw)