shithub: libvpx

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Align frame size to 8 instead of 16.

Change-Id: Ic22f416a33de558519d5c30a929f6a954546ade9

--- a/vp9/common/vp9_alloccommon.c

+++ b/vp9/common/vp9_alloccommon.c

@@ -68,8 +68,8 @@

 }

 static void set_mb_mi(VP9_COMMON *cm, int aligned_width, int aligned_height) {

-  cm->mb_cols = aligned_width >> 4;

-  cm->mb_rows = aligned_height >> 4;

+  cm->mb_cols = (aligned_width + 8) >> 4;

+  cm->mb_rows = (aligned_height + 8) >> 4;

   cm->MBs = cm->mb_rows * cm->mb_cols;

   cm->mi_cols = aligned_width >> LOG2_MI_SIZE;

@@ -95,8 +95,8 @@

   int i, mi_cols;

   // Our internal buffers are always multiples of 16

-  const int aligned_width = multiple16(width);

-  const int aligned_height = multiple16(height);

+  const int aligned_width = multiple8(width);

+  const int aligned_height = multiple8(height);

   const int ss_x = oci->subsampling_x;

   const int ss_y = oci->subsampling_y;

@@ -222,8 +222,8 @@

 }

 void vp9_update_frame_size(VP9_COMMON *cm) {

-  const int aligned_width = multiple16(cm->width);

-  const int aligned_height = multiple16(cm->height);

+  const int aligned_width = multiple8(cm->width);

+  const int aligned_height = multiple8(cm->height);

   set_mb_mi(cm, aligned_width, aligned_height);

   setup_mi(cm);

--- a/vp9/common/vp9_common.h

+++ b/vp9/common/vp9_common.h

@@ -56,8 +56,8 @@

   return value < low ? low : (value > high ? high : value);

 }

-static INLINE int multiple16(int value) {

-  return (value + 15) & ~15;

+static INLINE int multiple8(int value) {

+  return (value + 7) & ~7;

 }

 #define SYNC_CODE_0 0x49

--- a/vp9/vp9_iface_common.h

+++ b/vp9/vp9_iface_common.h

@@ -29,7 +29,7 @@

     img->fmt = VPX_IMG_FMT_I420;

   }

   img->w = yv12->y_stride;

-  img->h = multiple16(yv12->y_height + 2 * VP9BORDERINPIXELS);

+  img->h = multiple8(yv12->y_height + 2 * VP9BORDERINPIXELS);

   img->d_w = yv12->y_crop_width;

   img->d_h = yv12->y_crop_height;

   img->x_chroma_shift = yv12->uv_width < yv12->y_width;