Decoder: Fixed memory overflow in shared display mode.

The factor multiplication should happen only at the source,
not at the destination.

Bug: 71375536
Test: manual
Change-Id: Ib5f00b87150a0533880346fac5464b0b1a802c36
(cherry picked from commit c3b026a87d7da17ca5196e1973137b8691e60bde)

decoder/ih264d_utils.c

diff --git a/decoder/ih264d_utils.c b/decoder/ih264d_utils.c
index e85daba..edfb8f1 100644
--- a/decoder/ih264d_utils.c
+++ b/decoder/ih264d_utils.c
@@ -1020,12 +1020,15 @@
                         buf = ps_dec->disp_bufs[i].buf[1];
                         buf += ps_dec->disp_bufs[i].u4_ofst[1];
                         pv_disp_op->s_disp_frm_buf.pv_u_buf = buf
-                                        + pic_buf->u2_crop_offset_uv;
+                                        + (pic_buf->u2_crop_offset_uv
+                                           / YUV420SP_FACTOR);
 
                         buf = ps_dec->disp_bufs[i].buf[2];
                         buf += ps_dec->disp_bufs[i].u4_ofst[2];
                         pv_disp_op->s_disp_frm_buf.pv_v_buf = buf
-                                        + pic_buf->u2_crop_offset_uv;
+                                        + (pic_buf->u2_crop_offset_uv
+                                           / YUV420SP_FACTOR);
+
                     }
                 }
             }