[FFmpeg-devel] [PATCH] avcodec/mpegvideo_enc: Fix 1 line and one column images

Michael Niedermayer michael at niedermayer.cc
Mon Apr 8 19:49:00 EEST 2024


Fixes: Ticket10952
Fixes: poc21ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavcodec/mpegvideo_enc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index d1b19178247..40844b2f682 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1199,8 +1199,8 @@ static int load_input_picture(MpegEncContext *s, const AVFrame *pic_arg)
                 ptrdiff_t dst_stride = i ? s->uvlinesize : s->linesize;
                 int h_shift = i ? s->chroma_x_shift : 0;
                 int v_shift = i ? s->chroma_y_shift : 0;
-                int w = s->width  >> h_shift;
-                int h = s->height >> v_shift;
+                int w = -((-s->width)  >> h_shift);
+                int h = -((-s->height) >> v_shift);
                 const uint8_t *src = pic_arg->data[i];
                 uint8_t *dst = pic->f->data[i];
                 int vpad = 16;
-- 
2.17.1



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