Fix in initializing mi pointer grid at frame level
MI pointer-grid/ mi-info in enc_setup_mi is memset accordingly to
handle super-resolution use case when size of current frame being
encoded is smaller than the previously coded frame.
Change-Id: I3280aa020bd4ec6436e3bacf5ccd3c742e93a3a8
diff --git a/av1/encoder/encoder.c b/av1/encoder/encoder.c
index be231eb..5844db2 100644
--- a/av1/encoder/encoder.c
+++ b/av1/encoder/encoder.c
@@ -345,19 +345,20 @@
static void enc_setup_mi(AV1_COMMON *cm) {
int i;
+ int mi_rows_sb_aligned = calc_mi_size(cm->mi_rows);
cm->mi = cm->mip;
- memset(cm->mip, 0, cm->mi_stride * cm->mi_rows * sizeof(*cm->mip));
+ memset(cm->mip, 0, cm->mi_stride * mi_rows_sb_aligned * sizeof(*cm->mip));
cm->prev_mi = cm->prev_mip;
// Clear top border row
memset(cm->prev_mip, 0, sizeof(*cm->prev_mip) * cm->mi_stride);
// Clear left border column
- for (i = 0; i < cm->mi_rows; ++i)
+ for (i = 0; i < mi_rows_sb_aligned; ++i)
memset(&cm->prev_mip[i * cm->mi_stride], 0, sizeof(*cm->prev_mip));
cm->mi_grid_visible = cm->mi_grid_base;
cm->prev_mi_grid_visible = cm->prev_mi_grid_base;
memset(cm->mi_grid_base, 0,
- cm->mi_stride * cm->mi_rows * sizeof(*cm->mi_grid_base));
+ cm->mi_stride * mi_rows_sb_aligned * sizeof(*cm->mi_grid_base));
}
static int enc_alloc_mi(AV1_COMMON *cm, int mi_size) {
