1 files changed, 32 insertions, 19 deletions

diff --git a/src/libffmpeg/libavcodec/imgconvert.c b/src/libffmpeg/libavcodec/imgconvert.c
index d5b4cdca0..b2305cd63 100644
--- a/src/libffmpeg/libavcodec/imgconvert.c
+++ b/src/libffmpeg/libavcodec/imgconvert.c
@@ -2252,48 +2252,61 @@ int img_crop(AVPicture *dst, const AVPicture *src,
 /**
  * Pad image
  */
-int img_pad(AVPicture *dst, const AVPicture *src, int height, int width, int pix_fmt,
-            int padtop, int padbottom, int padleft, int padright, int *color)
+int img_pad(AVPicture *dst, const AVPicture *src, int height, int width,
+            int pix_fmt, int padtop, int padbottom, int padleft, int padright,
+            int *color)
 {
-    uint8_t *optr, *iptr;
+    uint8_t *optr;
     int y_shift;
     int x_shift;
     int yheight;
     int i, y;
 
-    if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB || !is_yuv_planar(&pix_fmt_info[pix_fmt]))
-        return -1;
+    if (pix_fmt < 0 || pix_fmt >= PIX_FMT_NB ||
+        !is_yuv_planar(&pix_fmt_info[pix_fmt])) return -1;
 
     for (i = 0; i < 3; i++) {
         x_shift = i ? pix_fmt_info[pix_fmt].x_chroma_shift : 0;
         y_shift = i ? pix_fmt_info[pix_fmt].y_chroma_shift : 0;
 
         if (padtop || padleft) {
-            memset(dst->data[i], color[i], dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift));
+            memset(dst->data[i], color[i],
+                dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift));
         }
 
-        if (padleft || padright || src) {
-            if (src) { /* first line */
-                iptr = src->data[i];
-                optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + (padleft >> x_shift);
-                memcpy(optr, iptr, src->linesize[i]);
-                iptr += src->linesize[i];
+        if (padleft || padright) {
+            optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
+                (dst->linesize[i] - (padright >> x_shift));
+            yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
+            for (y = 0; y < yheight; y++) {
+                memset(optr, color[i], (padleft + padright) >> x_shift);
+                optr += dst->linesize[i];
             }
-            optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) + (dst->linesize[i] - (padright >> x_shift));
+        }
+
+        if (src) { /* first line */
+            uint8_t *iptr = src->data[i];
+            optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
+                    (padleft >> x_shift);
+            memcpy(optr, iptr, src->linesize[i]);
+            iptr += src->linesize[i];
+            optr = dst->data[i] + dst->linesize[i] * (padtop >> y_shift) +
+                (dst->linesize[i] - (padright >> x_shift));
             yheight = (height - 1 - (padtop + padbottom)) >> y_shift;
             for (y = 0; y < yheight; y++) {
                 memset(optr, color[i], (padleft + padright) >> x_shift);
-                if (src) {
-                    memcpy(optr + ((padleft + padright) >> x_shift), iptr, src->linesize[i]);
-                    iptr += src->linesize[i];
-                }
+                memcpy(optr + ((padleft + padright) >> x_shift), iptr,
+                    src->linesize[i]);
+                iptr += src->linesize[i];
                 optr += dst->linesize[i];
             }
         }
 
         if (padbottom || padright) {
-            optr = dst->data[i] + dst->linesize[i] * ((height - padbottom) >> y_shift) - (padright >> x_shift);
-            memset(optr, color[i], dst->linesize[i] * (padbottom >> y_shift) + (padright >> x_shift));
+            optr = dst->data[i] + dst->linesize[i] *
+                ((height - padbottom) >> y_shift) - (padright >> x_shift);
+            memset(optr, color[i],dst->linesize[i] *
+                (padbottom >> y_shift) + (padright >> x_shift));
         }
     }
     return 0;