[FFmpeg-cvslog] avutil/imgutils: always zero data pointers in av_image_fill_pointers()

[James Almer]

ffmpeg | branch: master | James Almer <jamrial at gmail.com> | Sun Jul 26 21:50:25 2020 -0300| [9faae05ddf27369838fbd500468484af31f1219c] | committer: James Almer

avutil/imgutils: always zero data pointers in av_image_fill_pointers()

This restores the relevant behavior of the function as it was before
3a8e927176.

Signed-off-by: James Almer <jamrial at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9faae05ddf27369838fbd500468484af31f1219c
---

 libavutil/imgutils.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavutil/imgutils.c b/libavutil/imgutils.c
index e592f7976a..bd1333170a 100644
--- a/libavutil/imgutils.c
+++ b/libavutil/imgutils.c
@@ -150,6 +150,8 @@ int av_image_fill_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, int hei
     ptrdiff_t linesizes1[4];
     size_t sizes[4];
 
+    memset(data     , 0, sizeof(data[0])*4);
+
     for (i = 0; i < 4; i++)
         linesizes1[i] = linesizes[i];
 
@@ -164,8 +166,6 @@ int av_image_fill_pointers(uint8_t *data[4], enum AVPixelFormat pix_fmt, int hei
         ret += sizes[i];
     }
 
-    memset(data , 0, sizeof(data[0])*4);
-
     data[0] = ptr;
     for (i = 1; i < 4 && sizes[i]; i++)
         data[i] = data[i - 1] + sizes[i - 1];