[FFmpeg-cvslog] avcodec/sheervideo: fix YbYr format decoding

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Thu Jun 23 12:55:30 2016 +0200| [dccea0ed0d993792b58dab8f232509c62f0522fd] | committer: Paul B Mahol

avcodec/sheervideo: fix YbYr format decoding

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=dccea0ed0d993792b58dab8f232509c62f0522fd
---

 libavcodec/sheervideo.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavcodec/sheervideo.c b/libavcodec/sheervideo.c
index 7ae5479..2f08b7b 100644
--- a/libavcodec/sheervideo.c
+++ b/libavcodec/sheervideo.c
@@ -1794,9 +1794,9 @@ static void decode_ybyr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
     if (get_bits1(gb)) {
         for (x = 0; x < avctx->width; x += 2) {
             dst_y[x    ] = get_bits(gb, 8);
-            dst_u[x / 2] = get_bits(gb, 8);
+            dst_u[x / 2] = get_bits(gb, 8) + 128;
             dst_y[x + 1] = get_bits(gb, 8);
-            dst_v[x / 2] = get_bits(gb, 8);
+            dst_v[x / 2] = get_bits(gb, 8) + 128;
         }
     } else {
         int pred[4] = { -128, 128, 128, 0 };
@@ -1824,9 +1824,9 @@ static void decode_ybyr(AVCodecContext *avctx, AVFrame *p, GetBitContext *gb)
         if (get_bits1(gb)) {
             for (x = 0; x < avctx->width; x += 2) {
                 dst_y[x    ] = get_bits(gb, 8);
-                dst_u[x / 2] = get_bits(gb, 8);
+                dst_u[x / 2] = get_bits(gb, 8) + 128;
                 dst_y[x + 1] = get_bits(gb, 8);
-                dst_v[x / 2] = get_bits(gb, 8);
+                dst_v[x / 2] = get_bits(gb, 8) + 128;
             }
         } else {
             int pred_TL[4], pred_L[4], pred_T[4];